| Line |
Label |
Object Class |
Period Type |
Balance |
Report ElementName |
| 1 |
1001 - Document - Document and Entity Information |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DocumentandEntityInformation |
| 2 |
Implied Table |
Table |
* |
* |
implied:Table |
| 3 |
Document - Document and Entity Information [Abstract] |
Abstract |
|
|
cgg:DocumentandEntityInformationAbstract |
| 4 |
Document Type |
Concept (Submission Type) |
For Period |
|
dei:DocumentType |
| 5 |
Amendment Flag |
Concept (Yes/No) |
For Period |
|
dei:AmendmentFlag |
| 6 |
Document Period End Date |
Concept (Date) |
For Period |
|
dei:DocumentPeriodEndDate |
| 7 |
Document Fiscal Year Focus |
Concept (Year) |
For Period |
|
dei:DocumentFiscalYearFocus |
| 8 |
Document Fiscal Period Focus |
Concept (Fiscal Period) |
For Period |
|
dei:DocumentFiscalPeriodFocus |
| 9 |
Trading Symbol |
Concept (Text/String) |
For Period |
|
dei:TradingSymbol |
| 10 |
Entity Registrant Name |
Concept (Text/String) |
For Period |
|
dei:EntityRegistrantName |
| 11 |
Entity Central Index Key |
Concept (CIK Number) |
For Period |
|
dei:EntityCentralIndexKey |
| 12 |
Current Fiscal Year End Date |
Concept (Month/Day) |
For Period |
|
dei:CurrentFiscalYearEndDate |
| 13 |
Entity Well-known Seasoned Issuer |
Concept (Yes/No) |
For Period |
|
dei:EntityWellKnownSeasonedIssuer |
| 14 |
Entity Current Reporting Status |
Concept (Yes/No) |
For Period |
|
dei:EntityCurrentReportingStatus |
| 15 |
Entity Filer Category |
Concept (Filer Category) |
For Period |
|
dei:EntityFilerCategory |
| 16 |
Entity Common Stock, Shares Outstanding |
Concept (Shares) |
As Of |
|
dei:EntityCommonStockSharesOutstanding |
| 17 |
1003 - Statement - CONSOLIDATED STATEMENT OF FINANCIAL POSITION |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/StatementOfFinancialPositionOrderOfLiquidity-220000 |
| 18 |
Implied Table |
Table |
* |
* |
implied:Table |
| 19 |
Statement of financial position [Abstract] |
Abstract |
|
|
ifrs-full:StatementOfFinancialPositionAbstract |
| 20 |
ASSETS |
Abstract |
|
|
ifrs-full:AssetsAbstract |
| 21 |
Cash and cash equivalents |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CashAndCashEquivalents |
| 22 |
Trade accounts and notes receivable, net |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:TradeAndOtherReceivables |
| 23 |
Inventories and work-in-progress, net |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:InventoriesTotal |
| 24 |
Income tax assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CurrentTaxAssetsCurrent |
| 25 |
Other current assets, net |
Concept (Monetary) |
As Of |
Debit |
cgg:OtherCurrentAssetsNet |
| 26 |
Assets held for sale, net |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSale |
| 27 |
Total current assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CurrentAssets |
| 28 |
Deferred tax assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:DeferredTaxAssets |
| 29 |
Investments and other financial assets, net |
Concept (Monetary) |
As Of |
Debit |
cgg:InvestmentsAndOtherFinancialAssetsNet |
| 30 |
Investments in companies under equity method |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:InvestmentAccountedForUsingEquityMethod |
| 31 |
Property, plant and equipment, net |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:PropertyPlantAndEquipment |
| 32 |
Intangible assets, net |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:IntangibleAssetsOtherThanGoodwill |
| 33 |
Goodwill, net |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:Goodwill |
| 34 |
Total non-current assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:NoncurrentAssets |
| 35 |
TOTAL ASSETS |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:Assets |
| 36 |
LIABILITIES AND EQUITY |
Abstract |
|
|
ifrs-full:EquityAndLiabilitiesAbstract |
| 37 |
Bank overdrafts |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:BankOverdraftsClassifiedAsCashEquivalents |
| 38 |
Current portion of financial debt |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings |
| 39 |
Trade accounts and notes payables |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:TradeAndOtherPayables |
| 40 |
Accrued payroll costs |
Concept (Monetary) |
As Of |
Credit |
cgg:AccruedPayrollCosts |
| 41 |
Income taxes payable |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:CurrentTaxLiabilitiesCurrent |
| 42 |
Advance billings to customers |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:CurrentAdvances |
| 43 |
Provisions - current portion |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:CurrentProvisions |
| 44 |
Current liabilities associated with funded receivables |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:AssociatedLiabilitiesThatEntityContinuesToRecogniseToExtentOfContinuingInvolvement |
| 45 |
Other current liabilities |
Concept (Monetary) |
As Of |
Credit |
cgg:OtherCurrentLiabilitiesNet |
| 46 |
Total current liabilities |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:CurrentLiabilities |
| 47 |
Deferred tax liabilities |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:DeferredTaxLiabilities |
| 48 |
Provisions - non-current portion |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:NoncurrentProvisions |
| 49 |
Financial debt |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:LongtermBorrowings |
| 50 |
Other non-current liabilities |
Concept (Monetary) |
As Of |
Credit |
cgg:OtherNoncurrentLiabilitiesNet |
| 51 |
Total non-current liabilities |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:NoncurrentLiabilities |
| 52 |
Common stock: 41,690,360 shares authorized and 22,133,149 shares with a €0.80 nominal value issued and outstanding at December 31, 2017 |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:IssuedCapital |
| 53 |
Additional paid-in capital |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:AdditionalPaidinCapital |
| 54 |
Retained earnings |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:RetainedEarnings |
| 55 |
Other Reserves |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:OtherReserves |
| 56 |
Treasury shares |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:TreasuryShares |
| 57 |
Cumulative income and expense recognized directly in equity |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:AccumulatedOtherComprehensiveIncome |
| 58 |
Cumulative translation adjustment |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:ReserveOfExchangeDifferencesOnTranslation |
| 59 |
Equity attributable to owners of CGG S.A. |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:EquityAttributableToOwnersOfParent |
| 60 |
Non-controlling interest |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:NoncontrollingInterests |
| 61 |
Total equity |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:Equity |
| 62 |
TOTAL LIABILITIES AND EQUITY |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:EquityAndLiabilities |
| 63 |
1004 - Statement - CONSOLIDATED STATEMENT OF FINANCIAL POSITION (Parenthetical) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/StatementOfFinancialPositionOrderOfLiquidity-220000Parenthetical |
| 64 |
Statement [Table] |
Table |
* |
* |
cgg:StatementTable |
| 65 |
Borrowings by name [Axis] |
Axis |
|
|
ifrs-full:BorrowingsByNameAxis |
| 66 |
Borrowings by name [Member] |
Member |
|
|
ifrs-full:BorrowingsByNameMember |
| 67 |
Unsecured senior notes [member] |
Member |
|
|
cgg:UnsecuredSeniorNotesMember |
| 68 |
Classes of financial liabilities [Axis] |
Axis |
|
|
ifrs-full:ClassesOfFinancialLiabilitiesAxis |
| 69 |
Financial liabilities, class [Member] |
Member |
|
|
ifrs-full:FinancialLiabilitiesMember |
| 70 |
Financial Debt [Member] |
Member |
|
|
cgg:FinancialDebtMember |
| 71 |
Non-adjusting events after reporting period [Axis] |
Axis |
|
|
ifrs-full:NonadjustingEventsAfterReportingPeriodAxis |
| 72 |
Non-adjusting events after reporting period [Member] |
Member |
|
|
ifrs-full:NonadjustingEventsMember |
| 73 |
Announcing or Commencing Implementation of Major Restructuring [Member] |
Member |
|
|
ifrs-full:AnnouncingOrCommencingImplementationOfMajorRestructuringMember |
| 74 |
Statement [LineItems] |
LineItems |
|
|
cgg:StatementLineItems |
| 75 |
Number of shares authorized |
Concept (Shares) |
As Of |
|
ifrs-full:NumberOfSharesAuthorised |
| 76 |
Number of shares issued |
Concept (Shares) |
As Of |
|
ifrs-full:NumberOfSharesIssued |
| 77 |
Number of shares outstanding |
Concept (Shares) |
As Of |
|
ifrs-full:NumberOfSharesOutstanding |
| 78 |
Nominal value per share |
Concept (Share) |
As Of |
|
ifrs-full:ParValuePerShare |
| 79 |
Financial debt |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:Borrowings |
| 80 |
Current portion of financial debt |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings |
| 81 |
Non-current portion of financial debt |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:LongtermBorrowings |
| 82 |
Equity impact on financial restructuring |
Concept (Monetary) |
As Of |
Credit |
cgg:EffectOfChangeInEquityToFinancialRestructuringWithSettlementDelivery |
| 83 |
Equity impact of equitization of unsecured senior debt |
Concept (Monetary) |
As Of |
Credit |
cgg:EffectOfChangeInEquityDueToEquitizationOfUnsecuredSeniorDebt |
| 84 |
1005 - Statement - CONSOLIDATED STATEMENTS OF OPERATIONS |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/StatementOfComprehensiveIncomeProfitOrLossByFunctionOfExpense-310000 |
| 85 |
Implied Table |
Table |
* |
* |
implied:Table |
| 86 |
Profit or loss [Abstract] |
Abstract |
|
|
ifrs-full:IncomeStatementAbstract |
| 87 |
Operating revenues |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:Revenue |
| 88 |
Other income from ordinary activities |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:MiscellaneousOtherOperatingIncome |
| 89 |
Total income from ordinary activities |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:RevenueAndOperatingIncome |
| 90 |
Cost of operations |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:CostOfSales |
| 91 |
Gross profit |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:GrossProfit |
| 92 |
Research and development expenses - net |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ResearchAndDevelopmentExpense |
| 93 |
Marketing and selling expenses |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:SalesAndMarketingExpense |
| 94 |
General and administrative expenses |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:SellingGeneralAndAdministrativeExpense |
| 95 |
Other revenues (expenses) - net |
Concept (Monetary) |
For Period |
Credit |
cgg:OtherRevenuesExpensesNet |
| 96 |
Operating income |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ProfitLossFromOperatingActivities |
| 97 |
Expenses related to financial debt |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:BorrowingCostsRecognisedAsExpense |
| 98 |
Income provided by cash and cash equivalents |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:InterestIncomeOnCashAndCashEquivalents |
| 99 |
Cost of financial debt, net |
Concept (Monetary) |
For Period |
|
ifrs-full:BorrowingCostsIncurred |
| 100 |
Other financial income (loss) |
Concept (Monetary) |
For Period |
Credit |
cgg:OtherFinancialIncomeLoss |
| 101 |
Income (loss) of consolidated companies before income taxes |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ProfitLossBeforeTax |
| 102 |
Income taxes |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:IncomeTaxExpenseContinuingOperations |
| 103 |
Net income (loss) from consolidated companies |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ProfitLossFromContinuingOperations |
| 104 |
Share of income (loss) in companies accounted for under equity method |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod |
| 105 |
Net income (loss) |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ProfitLoss |
| 106 |
Attributable to: |
Abstract |
|
|
ifrs-full:ProfitLossAttributableToAbstract |
| 107 |
Owners of CGG S.A. |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ProfitLossAttributableToOwnersOfParent |
| 108 |
Non-controlling interests |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ProfitLossAttributableToNoncontrollingInterests |
| 109 |
Weighted average number of shares outstanding |
Concept (Shares) |
For Period |
|
ifrs-full:WeightedAverageShares |
| 110 |
Dilutive potential shares from stock options |
Concept (Shares) |
For Period |
|
ifrs-full:DilutiveEffectOfShareOptionsOnNumberOfOrdinaryShares |
| 111 |
Dilutive potential shares from performance share plans |
Concept (Shares) |
For Period |
|
cgg:DilutivePotentialSharesFromPerformanceSharePlan |
| 112 |
Dilutive potential shares from Convertible bonds |
Concept (Shares) |
For Period |
|
ifrs-full:DilutiveEffectOfConvertibleInstrumentsOnNumberOfOrdinaryShares |
| 113 |
Dilutive weighted average number of shares outstanding adjusted when dilutive |
Concept (Shares) |
For Period |
|
ifrs-full:AdjustedWeightedAverageShares |
| 114 |
Net income (loss) per share |
Abstract |
|
|
ifrs-full:EarningsPerShareAbstract |
| 115 |
- Basic |
Concept (Share) |
For Period |
|
ifrs-full:BasicEarningsLossPerShareFromContinuingOperations |
| 116 |
- Diluted |
Concept (Share) |
For Period |
|
ifrs-full:DilutedEarningsLossPerShareFromContinuingOperations |
| 117 |
1006 - Statement - CONSOLIDATED STATEMENTS OF OPERATIONS (Parenthetical) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/StatementOfComprehensiveIncomeProfitOrLossByFunctionOfExpense-310000Parenthetical |
| 118 |
Implied Table |
Table |
* |
* |
implied:Table |
| 119 |
Profit or loss [Abstract] |
Abstract |
|
|
ifrs-full:IncomeStatementAbstract |
| 120 |
Average exchange rate |
Concept (Decimal) |
For Period |
|
ifrs-full:AverageForeignExchangeRate |
| 121 |
1007 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/StatementOfComprehensiveIncomeOCIComponentsPresentedNetOfTax-410000 |
| 122 |
Implied Table |
Table |
* |
* |
implied:Table |
| 123 |
Statement of comprehensive income [Abstract] |
Abstract |
|
|
ifrs-full:StatementOfComprehensiveIncomeAbstract |
| 124 |
Net income (loss) from statements of operations |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ProfitLoss |
| 125 |
Other comprehensive income to be reclassified in profit (loss) in subsequent period: |
Abstract |
|
|
ifrs-full:ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTaxAbstract |
| 126 |
Net gain (loss) on cash flow hedges |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:OtherComprehensiveIncomeNetOfTaxCashFlowHedges |
| 127 |
Net gain (loss) on available-for-sale financial assets |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:OtherComprehensiveIncomeNetOfTaxAvailableforsaleFinancialAssets |
| 128 |
Exchange differences on translation of foreign operations |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation |
| 129 |
Net other comprehensive income to be reclassified in profit (loss) in subsequent period |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax |
| 130 |
Other comprehensive income not to be classified in profit (loss) in subsequent period: |
Abstract |
|
|
ifrs-full:ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTaxAbstract |
| 131 |
Net gain (loss) on actuarial changes on pension plan |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:OtherComprehensiveIncomeNetOfTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans |
| 132 |
Net other comprehensive income not to be reclassified in profit (loss) in subsequent period |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax |
| 133 |
Other comprehensive income |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:OtherComprehensiveIncome |
| 134 |
Total comprehensive income (loss) for the period |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ComprehensiveIncome |
| 135 |
Attributable to: |
Abstract |
|
|
ifrs-full:ComprehensiveIncomeAttributableToAbstract |
| 136 |
Total comprehensive income (loss) for the period |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ComprehensiveIncome |
| 137 |
Owners of CGG |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ComprehensiveIncomeAttributableToOwnersOfParent |
| 138 |
Non-controlling interests |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ComprehensiveIncomeAttributableToNoncontrollingInterests |
| 139 |
1008 - Statement - CONSOLIDATED STATEMENT OF CHANGES IN EQUITY |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/StatementOfChangesInEquity-610000 |
| 140 |
Statement of changes in equity [Table] |
Table |
* |
* |
ifrs-full:StatementOfChangesInEquityTable |
| 141 |
Components of equity [Axis] |
Axis |
|
|
ifrs-full:ComponentsOfEquityAxis |
| 142 |
Equity [Member] |
Member |
|
|
ifrs-full:EquityMember |
| 143 |
Share capital [member] |
Member |
|
|
ifrs-full:IssuedCapitalMember |
| 144 |
additional paid-in capital [member] |
Member |
|
|
ifrs-full:AdditionalPaidinCapitalMember |
| 145 |
Retained earnings [member] |
Member |
|
|
ifrs-full:RetainedEarningsMember |
| 146 |
Other reserves [member] |
Member |
|
|
ifrs-full:OtherReservesMember |
| 147 |
Treasury shares [member] |
Member |
|
|
ifrs-full:TreasurySharesMember |
| 148 |
Income and expense recognized directly in equity [member] |
Member |
|
|
cgg:IncomeAndExpenseRecognizedDirectlyInEquityMember |
| 149 |
Cumulative translation adjustment [member] |
Member |
|
|
ifrs-full:ReserveOfExchangeDifferencesOnTranslationMember |
| 150 |
Equity attributable to owners of CGGVeritas SA [member] |
Member |
|
|
ifrs-full:EquityAttributableToOwnersOfParentMember |
| 151 |
Non-controlling interests [member] |
Member |
|
|
ifrs-full:NoncontrollingInterestsMember |
| 152 |
Statement of changes in equity [Line Items] |
LineItems |
|
|
ifrs-full:StatementOfChangesInEquityLineItems |
| 153 |
Beginning balance |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:Equity |
| 154 |
Beginning balance shares |
Concept (Shares) |
As Of |
|
ifrs-full:NumberOfSharesIssued |
| 155 |
Net gain (loss) on actuarial changes on pension plan |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:OtherComprehensiveIncomeNetOfTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans |
| 156 |
Net gain (loss) on cash flow hedges |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:OtherComprehensiveIncomeNetOfTaxCashFlowHedges |
| 157 |
Net gain (loss) on available-for-sale financial assets |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:OtherComprehensiveIncomeNetOfTaxAvailableforsaleFinancialAssets |
| 158 |
Exchange differences on foreign currency translation |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation |
| 159 |
Other comprehensive income |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:OtherComprehensiveIncome |
| 160 |
Net income |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ProfitLoss |
| 161 |
Comprehensive income |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ComprehensiveIncome |
| 162 |
Capital increase |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:IssueOfEquity |
| 163 |
Capital increase, shares |
Concept (Shares) |
For Period |
|
ifrs-full:IncreaseDecreaseInNumberOfOrdinarySharesIssued |
| 164 |
Share capital reduction (see note15) |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ReductionOfIssuedCapital |
| 165 |
Dividends |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:DividendsPaidToNoncontrollingInterests |
| 166 |
Cost of share-based payment |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:IncreaseDecreaseThroughSharebasedPaymentTransactions |
| 167 |
Exchange differences on foreign currency translation generated by the parent company |
Concept (Monetary) |
For Period |
Credit |
cgg:ExchangeDifferencesOnForeignCurrencyTranslationGeneratedByTheParentCompany |
| 168 |
Public exchange offer of convertible bonds, net of tax |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:IssueOfConvertibleInstruments |
| 169 |
Transfer to retained earnings of the parent company |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:IncreaseDecreaseThroughTransferToStatutoryReserve |
| 170 |
Changes in consolidation scope and other |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:IncreaseDecreaseThroughTransfersAndOtherChangesEquity |
| 171 |
Ending balance |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:Equity |
| 172 |
Ending balance shares |
Concept (Shares) |
As Of |
|
ifrs-full:NumberOfSharesIssued |
| 173 |
1009 - Statement - CONSOLIDATED STATEMENT OF CHANGES IN EQUITY (Parenthetical) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/StatementOfChangesInEquity-610000Parenthetical |
| 174 |
Statement of changes in equity [Table] |
Table |
* |
* |
ifrs-full:StatementOfChangesInEquityTable |
| 175 |
Non-adjusting events after reporting period [Axis] |
Axis |
|
|
ifrs-full:NonadjustingEventsAfterReportingPeriodAxis |
| 176 |
Non-adjusting events after reporting period [Member] |
Member |
|
|
ifrs-full:NonadjustingEventsMember |
| 177 |
Announcing or Commencing Implementation of Major Restructuring [Member] |
Member |
|
|
ifrs-full:AnnouncingOrCommencingImplementationOfMajorRestructuringMember |
| 178 |
Statement of changes in equity [Line Items] |
LineItems |
|
|
ifrs-full:StatementOfChangesInEquityLineItems |
| 179 |
Stock split ratio |
Concept (Pure) |
As Of |
|
cgg:StockholdersEquityNoteStockSplitConversionRatio2 |
| 180 |
Equity impact on financial restructuring |
Concept (Monetary) |
As Of |
Credit |
cgg:EffectOfChangeInEquityToFinancialRestructuringWithSettlementDelivery |
| 181 |
Gain on financial restructuring |
Concept (Monetary) |
For Period |
Debit |
cgg:EffectOfChangeInProfitLossToFinancialRestructuringWithSettlementDelivery |
| 182 |
1010 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/StatementOfCashFlowsIndirectMethod-520000 |
| 183 |
Implied Table |
Table |
* |
* |
implied:Table |
| 184 |
Statement of cash flows [Abstract] |
Abstract |
|
|
ifrs-full:StatementOfCashFlowsAbstract |
| 185 |
OPERATING |
Abstract |
|
|
ifrs-full:CashFlowsFromUsedInOperatingActivitiesAbstract |
| 186 |
Net income (loss) |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ProfitLoss |
| 187 |
Depreciation and amortization |
Concept (Monetary) |
For Period |
Debit |
cgg:DepreciationAndAmortisationExpenseExcludingMulticlientSurveys |
| 188 |
Multi-client surveys depreciation and amortization |
Concept (Monetary) |
For Period |
Debit |
cgg:AdjustmentsForMulticlientSurveysDepreciationAndAmortizationExpense |
| 189 |
Depreciation and amortization capitalized in multi-client surveys |
Concept (Monetary) |
For Period |
Debit |
cgg:AdjustmentsForDepreciationAndAmortizationCapitalizedInMulticlientSurveys |
| 190 |
Variance on provisions |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdjustmentsForProvisions |
| 191 |
Stock based compensation expenses |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdjustmentsForSharebasedPayments |
| 192 |
Net (gain) loss on disposal of fixed and financial assets |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdjustmentsForLossesGainsOnDisposalOfNoncurrentAssets |
| 193 |
Equity (income) loss of investees |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod |
| 194 |
Dividends received from investments in companies under equity method |
Concept (Monetary) |
For Period |
Credit |
cgg:DividendsReceivedFromInvestmentsAccountedForUsingEquityMethod |
| 195 |
Other non-cash items |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:OtherAdjustmentsForNoncashItems |
| 196 |
Net cash flow including net cost of financial debt and income tax |
Concept (Monetary) |
For Period |
Debit |
cgg:NetCashFlowIncludingNetCostOfFinancialDebtAndIncomeTax |
| 197 |
Less net cost of financial debt |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdjustmentsForFinanceCosts |
| 198 |
Less income tax expense |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdjustmentsForIncomeTaxExpense |
| 199 |
Net cash flow excluding net cost of financial debt and income tax |
Concept (Monetary) |
For Period |
Debit |
cgg:NetCashFlowExcludingNetCostOfFinancialDebtAndIncomeTax |
| 200 |
Income tax paid |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:IncomeTaxesPaidClassifiedAsOperatingActivities |
| 201 |
Net cash flow before changes in working capital |
Concept (Monetary) |
For Period |
|
ifrs-full:CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital |
| 202 |
- change in trade accounts and notes receivables |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdjustmentsForDecreaseIncreaseInTradeAccountReceivable |
| 203 |
- change in inventories and work-in-progress |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdjustmentsForDecreaseIncreaseInInventories |
| 204 |
- change in other current assets |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdjustmentsForDecreaseIncreaseInOtherCurrentAssets |
| 205 |
- change in trade accounts and notes payable |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdjustmentsForIncreaseDecreaseInTradeAccountPayable |
| 206 |
- change in other current liabilities |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdjustmentsForIncreaseDecreaseInOtherCurrentLiabilities |
| 207 |
Impact of changes in exchange rate on financial items |
Concept (Monetary) |
For Period |
Debit |
cgg:ImpactOfChangesInExchangeRateOnFinancialItems |
| 208 |
Net cash flow provided by operating activities |
Concept (Monetary) |
For Period |
|
ifrs-full:CashFlowsFromUsedInOperatingActivities |
| 209 |
INVESTING |
Abstract |
|
|
ifrs-full:CashFlowsFromUsedInInvestingActivitiesAbstract |
| 210 |
Total capital expenditures (including variation of fixed assets suppliers, excluding multi-client surveys) |
Concept (Monetary) |
For Period |
Credit |
cgg:CapitalExpendituresIncludingVariationOfFixedAssetsSuppliersExcludingMulticlientSurveys |
| 211 |
Investments in multi-client surveys, net cash |
Concept (Monetary) |
For Period |
Credit |
cgg:InvestmentsInMultiClientSurveysNetCash |
| 212 |
Proceeds from disposals of tangible and intangible assets |
Concept (Monetary) |
For Period |
Debit |
cgg:ProceedsFromDisposalsOfTangibleAndIntangibleAssets |
| 213 |
Total net proceeds from financial assets |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:CashFlowsFromLosingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities |
| 214 |
Acquisition of investments, net of cash & cash equivalents acquired |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities |
| 215 |
Variation in loans granted |
Concept (Monetary) |
For Period |
Debit |
cgg:VariationInLoansGranted |
| 216 |
Variation in subsidies for capital expenditures |
Concept (Monetary) |
For Period |
Debit |
cgg:VariationInSubsidiesForCapitalExpenditure |
| 217 |
Variation in other non-current financial assets |
Concept (Monetary) |
For Period |
Debit |
cgg:VariationInOtherNonCurrentFinancialAssets |
| 218 |
Net cash flow used in investing activities |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:CashFlowsFromUsedInInvestingActivities |
| 219 |
FINANCING |
Abstract |
|
|
ifrs-full:CashFlowsFromUsedInFinancingActivitiesAbstract |
| 220 |
Repayment of long-term debt |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:RepaymentsOfBorrowingsClassifiedAsFinancingActivities |
| 221 |
Total issuance of long-term debt |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ProceedsFromBorrowingsClassifiedAsFinancingActivities |
| 222 |
Lease repayments |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:PaymentsOfFinanceLeaseLiabilitiesClassifiedAsFinancingActivities |
| 223 |
Change in short-term loans |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:CashFlowsFromUsedInIncreaseDecreaseInCurrentBorrowings |
| 224 |
Financial expenses paid |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:InterestPaidClassifiedAsFinancingActivities |
| 225 |
Net proceeds from capital increase: |
Abstract |
|
|
cgg:CashFlowsFromCapitalIncreaseAbstract |
| 226 |
- from shareholders |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ProceedsFromIssuingShares |
| 227 |
- from non-controlling interests of integrated companies |
Concept (Monetary) |
For Period |
Debit |
cgg:ProceedsFromNonControllingInterestsOfIntegratedCompaniesByCapitalIncrease |
| 228 |
Dividends paid and share capital reimbursements: |
Abstract |
|
|
cgg:DividendsPaidClassifiedAsFinancingActivitiesAbstract |
| 229 |
- to shareholders |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:DividendsPaidToEquityHoldersOfParentClassifiedAsFinancingActivities |
| 230 |
- to non-controlling interests of integrated companies |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:DividendsPaidToNoncontrollingInterestsClassifiedAsFinancingActivities |
| 231 |
Acquisition/disposal from treasury shares |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ProceedsFromSaleOrIssueOfTreasuryShares |
| 232 |
Net cash flow provided by (used in) financing activities |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:CashFlowsFromUsedInFinancingActivities |
| 233 |
Effect of exchange rates on cash |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:EffectOfExchangeRateChangesOnCashAndCashEquivalents |
| 234 |
Impact of changes in consolidation scope |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:PortionOfConsiderationPaidReceivedConsistingOfCashAndCashEquivalents |
| 235 |
Net increase (decrease) in cash and cash equivalents |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:IncreaseDecreaseInCashAndCashEquivalents |
| 236 |
Cash and cash equivalents at beginning of year |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CashAndCashEquivalents |
| 237 |
Cash and cash equivalents at end of period |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CashAndCashEquivalents |
| 238 |
1011 - Disclosure - Summary of Significant Accounting Policies |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfSummaryOfSignificantAccountingPoliciesExplanatory |
| 239 |
Implied Table |
Table |
* |
* |
implied:Table |
| 240 |
Text Block1 [Abstract] |
Abstract |
|
|
cgg:TextBlock1Abstract |
| 241 |
Summary of Significant Accounting Policies |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfSummaryOfSignificantAccountingPoliciesExplanatory |
| 242 |
1012 - Disclosure - Significant Events, Acquisition And Divestures |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfSignificantEventsAcquisitionAndDivesturesExplanatory |
| 243 |
Implied Table |
Table |
* |
* |
implied:Table |
| 244 |
Text Block1 [Abstract] |
Abstract |
|
|
cgg:TextBlock1Abstract |
| 245 |
Significant Events, Acquisition And Divestures |
Concept (Text Block (HTML)) |
For Period |
|
cgg:DisclosureOfSignificantEventsAcquisitionAndDivesturesExplanatory |
| 246 |
1013 - Disclosure - Trade Accounts and Notes Receivable |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfTradeAndOtherReceivablesExplanatory |
| 247 |
Implied Table |
Table |
* |
* |
implied:Table |
| 248 |
Text Block1 [Abstract] |
Abstract |
|
|
cgg:TextBlock1Abstract |
| 249 |
Trade Accounts and Notes Receivable |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfTradeAndOtherReceivablesExplanatory |
| 250 |
1014 - Disclosure - Inventories and Work in Progress |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfInventoriesExplanatory |
| 251 |
Implied Table |
Table |
* |
* |
implied:Table |
| 252 |
Text Block1 [Abstract] |
Abstract |
|
|
cgg:TextBlock1Abstract |
| 253 |
Inventories and Work in Progress |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfInventoriesExplanatory |
| 254 |
1015 - Disclosure - Other Current Assets and Assets Held for Sale |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfOtherCurrentAssetsAndAssetsHeldForSaleExplanatory |
| 255 |
Implied Table |
Table |
* |
* |
implied:Table |
| 256 |
Text Block1 [Abstract] |
Abstract |
|
|
cgg:TextBlock1Abstract |
| 257 |
Other Current Assets and Assets Held for Sale |
Concept (Text Block (HTML)) |
For Period |
|
cgg:DisclosureOfOtherCurrentAssetsAndAssetsHeldForSaleExplanatory |
| 258 |
1016 - Disclosure - Asset Valuation Allowance |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfAssetValuationAllowanceExplanatory |
| 259 |
Implied Table |
Table |
* |
* |
implied:Table |
| 260 |
Text Block1 [Abstract] |
Abstract |
|
|
cgg:TextBlock1Abstract |
| 261 |
Asset Valuation Allowance |
Concept (Text Block (HTML)) |
For Period |
|
cgg:DisclosureOfAssetValuationAllowanceExplanatory |
| 262 |
1017 - Disclosure - Investments and Other Financial Assets |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfInvestmentsAndOtherFinancialAssetsExplanatory |
| 263 |
Implied Table |
Table |
* |
* |
implied:Table |
| 264 |
Text Block1 [Abstract] |
Abstract |
|
|
cgg:TextBlock1Abstract |
| 265 |
Investments and Other Financial Assets |
Concept (Text Block (HTML)) |
For Period |
|
cgg:DisclosureOfInvestmentsAndOtherFinancialAssetsExplanatory |
| 266 |
1018 - Disclosure - Investments in Companies Under Equity Method |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfInvestmentsAccountedForUsingEquityMethodExplanatory |
| 267 |
Implied Table |
Table |
* |
* |
implied:Table |
| 268 |
Text Block1 [Abstract] |
Abstract |
|
|
cgg:TextBlock1Abstract |
| 269 |
Investments in Companies Under Equity Method |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfInvestmentsAccountedForUsingEquityMethodExplanatory |
| 270 |
1019 - Disclosure - Property, Plant and Equipment |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfPropertyPlantAndEquipmentExplanatory |
| 271 |
Implied Table |
Table |
* |
* |
implied:Table |
| 272 |
Text Block1 [Abstract] |
Abstract |
|
|
cgg:TextBlock1Abstract |
| 273 |
Property, Plant and Equipment |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfPropertyPlantAndEquipmentExplanatory |
| 274 |
1020 - Disclosure - Intangible Assets |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfIntangibleAssetsExplanatory |
| 275 |
Implied Table |
Table |
* |
* |
implied:Table |
| 276 |
Text Block1 [Abstract] |
Abstract |
|
|
cgg:TextBlock1Abstract |
| 277 |
Intangible Assets |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfIntangibleAssetsExplanatory |
| 278 |
1021 - Disclosure - Goodwill |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfGoodwillExplanatory |
| 279 |
Implied Table |
Table |
* |
* |
implied:Table |
| 280 |
Text Block1 [Abstract] |
Abstract |
|
|
cgg:TextBlock1Abstract |
| 281 |
Goodwill |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfGoodwillExplanatory |
| 282 |
1022 - Disclosure - Other Current Liabilities |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfOtherCurrentLiabilitiesExplanatory |
| 283 |
Implied Table |
Table |
* |
* |
implied:Table |
| 284 |
Text Block1 [Abstract] |
Abstract |
|
|
cgg:TextBlock1Abstract |
| 285 |
Other Current Liabilities |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfOtherCurrentLiabilitiesExplanatory |
| 286 |
1023 - Disclosure - Financial Debt |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfBorrowingsExplanatory |
| 287 |
Implied Table |
Table |
* |
* |
implied:Table |
| 288 |
Text Block1 [Abstract] |
Abstract |
|
|
cgg:TextBlock1Abstract |
| 289 |
Financial Debt |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfBorrowingsExplanatory |
| 290 |
1024 - Disclosure - Financial Instruments |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfFinancialInstrumentsExplanatory |
| 291 |
Implied Table |
Table |
* |
* |
implied:Table |
| 292 |
Text Block1 [Abstract] |
Abstract |
|
|
cgg:TextBlock1Abstract |
| 293 |
Financial Instruments |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfFinancialInstrumentsExplanatory |
| 294 |
1025 - Disclosure - Common Stock and Stock Option Plans |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfSharebasedPaymentArrangementsExplanatory |
| 295 |
Implied Table |
Table |
* |
* |
implied:Table |
| 296 |
Text Block1 [Abstract] |
Abstract |
|
|
cgg:TextBlock1Abstract |
| 297 |
Common Stock and Stock Option Plans |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfSharebasedPaymentArrangementsExplanatory |
| 298 |
1026 - Disclosure - Provisions |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfProvisionsExplanatory |
| 299 |
Implied Table |
Table |
* |
* |
implied:Table |
| 300 |
Text Block1 [Abstract] |
Abstract |
|
|
cgg:TextBlock1Abstract |
| 301 |
Provisions |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfProvisionsExplanatory |
| 302 |
1027 - Disclosure - Other Non-current Liabilities |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfOtherNoncurrentLiabilitiesExplanatory |
| 303 |
Implied Table |
Table |
* |
* |
implied:Table |
| 304 |
Text Block1 [Abstract] |
Abstract |
|
|
cgg:TextBlock1Abstract |
| 305 |
Other Non-current Liabilities |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfOtherNoncurrentLiabilitiesExplanatory |
| 306 |
1028 - Disclosure - Contractual Obligations, Commitments and Contingencies |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfCommitmentsAndContingentLiabilitiesExplanatory |
| 307 |
Implied Table |
Table |
* |
* |
implied:Table |
| 308 |
Text Block1 [Abstract] |
Abstract |
|
|
cgg:TextBlock1Abstract |
| 309 |
Contractual Obligations, Commitments and Contingencies |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfCommitmentsAndContingentLiabilitiesExplanatory |
| 310 |
1029 - Disclosure - Analysis by Operating Segment and Geographic Area |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfEntitysReportableSegmentsExplanatory |
| 311 |
Implied Table |
Table |
* |
* |
implied:Table |
| 312 |
Text Block1 [Abstract] |
Abstract |
|
|
cgg:TextBlock1Abstract |
| 313 |
Analysis by Operating Segment and Geographic Area |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfEntitysReportableSegmentsExplanatory |
| 314 |
1030 - Disclosure - Research and Development Expenses |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfResearchAndDevelopmentExpenseExplanatory |
| 315 |
Implied Table |
Table |
* |
* |
implied:Table |
| 316 |
Text Block1 [Abstract] |
Abstract |
|
|
cgg:TextBlock1Abstract |
| 317 |
Research and Development Expenses |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfResearchAndDevelopmentExpenseExplanatory |
| 318 |
1031 - Disclosure - Other Revenues and Expenses |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfOtherOperatingIncomeExpenseExplanatory |
| 319 |
Implied Table |
Table |
* |
* |
implied:Table |
| 320 |
Text Block1 [Abstract] |
Abstract |
|
|
cgg:TextBlock1Abstract |
| 321 |
Other Revenues and Expenses |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfOtherOperatingIncomeExpenseExplanatory |
| 322 |
1032 - Disclosure - Cost of Financial Debt |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfBorrowingCostsExplanatory |
| 323 |
Implied Table |
Table |
* |
* |
implied:Table |
| 324 |
Text Block1 [Abstract] |
Abstract |
|
|
cgg:TextBlock1Abstract |
| 325 |
Cost of Financial Debt |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfBorrowingCostsExplanatory |
| 326 |
1033 - Disclosure - Other Financial Income (Loss) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfFinanceIncomeExpenseExplanatory |
| 327 |
Implied Table |
Table |
* |
* |
implied:Table |
| 328 |
Text Block1 [Abstract] |
Abstract |
|
|
cgg:TextBlock1Abstract |
| 329 |
Other Financial Income (Loss) |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfFinanceIncomeExpenseExplanatory |
| 330 |
1034 - Disclosure - Income Taxes |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfIncomeTaxExplanatory |
| 331 |
Implied Table |
Table |
* |
* |
implied:Table |
| 332 |
Text Block1 [Abstract] |
Abstract |
|
|
cgg:TextBlock1Abstract |
| 333 |
Income Taxes |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfIncomeTaxExplanatory |
| 334 |
1035 - Disclosure - Personnel |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfInformationAboutEmployeesExplanatory |
| 335 |
Implied Table |
Table |
* |
* |
implied:Table |
| 336 |
Text Block1 [Abstract] |
Abstract |
|
|
cgg:TextBlock1Abstract |
| 337 |
Personnel |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfInformationAboutEmployeesExplanatory |
| 338 |
1036 - Disclosure - Key Management Personnel Compensation |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfInformationAboutKeyManagementPersonnelExplanatory |
| 339 |
Implied Table |
Table |
* |
* |
implied:Table |
| 340 |
Text Block1 [Abstract] |
Abstract |
|
|
cgg:TextBlock1Abstract |
| 341 |
Key Management Personnel Compensation |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfInformationAboutKeyManagementPersonnelExplanatory |
| 342 |
1037 - Disclosure - Related Party Transactions |
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| 343 |
Implied Table |
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Text Block1 [Abstract] |
Abstract |
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cgg:TextBlock1Abstract |
| 345 |
Related Party Transactions |
Concept (Text Block (HTML)) |
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ifrs-full:DisclosureOfRelatedPartyExplanatory |
| 346 |
1038 - Disclosure - Supplementary Cash Flow Information |
Network |
* |
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http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfCashFlowStatementExplanatory |
| 347 |
Implied Table |
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| 348 |
Text Block1 [Abstract] |
Abstract |
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cgg:TextBlock1Abstract |
| 349 |
Supplementary Cash Flow Information |
Concept (Text Block (HTML)) |
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ifrs-full:DisclosureOfCashFlowStatementExplanatory |
| 350 |
1039 - Disclosure - Earnings per Share |
Network |
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http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfEarningsPerShareExplanatory |
| 351 |
Implied Table |
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| 352 |
Text Block1 [Abstract] |
Abstract |
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cgg:TextBlock1Abstract |
| 353 |
Earnings per Share |
Concept (Text Block (HTML)) |
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ifrs-full:DisclosureOfEarningsPerShareExplanatory |
| 354 |
1040 - Disclosure - Subsequent Events |
Network |
* |
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http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfEventsAfterReportingPeriodExplanatory |
| 355 |
Implied Table |
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Text Block1 [Abstract] |
Abstract |
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cgg:TextBlock1Abstract |
| 357 |
Subsequent Events |
Concept (Text Block (HTML)) |
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ifrs-full:DisclosureOfEventsAfterReportingPeriodExplanatory |
| 358 |
1041 - Disclosure - List of Principal Consolidated Subsidiaries as of December 31, 2017 |
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Implied Table |
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| 360 |
Text Block1 [Abstract] |
Abstract |
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cgg:TextBlock1Abstract |
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List of Principal Consolidated Subsidiaries as of December 31, 2017 |
Concept (Text Block (HTML)) |
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ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesExplanatory |
| 362 |
1042 - Disclosure - Condensed Consolidating Information for Certain Subsidiaries |
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Implied Table |
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Text Block1 [Abstract] |
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cgg:TextBlock1Abstract |
| 365 |
Condensed Consolidating Information for Certain Subsidiaries |
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cgg:DisclosureOfCondensedConsolidatingInformationForCertainSubsidiariesExplanatory |
| 366 |
1043 - Disclosure - Summary of Significant Accounting Policies (Policies) |
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Text Block1 [Abstract] |
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cgg:TextBlock1Abstract |
| 369 |
Critical Accounting Policies |
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ifrs-full:DisclosureOfFirstTimeAdoptionExplanatory |
| 370 |
Use of judgment and estimates |
Concept (Text Block (HTML)) |
For Period |
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ifrs-full:DisclosureOfAccountingJudgementsAndEstimatesExplanatory |
| 371 |
Going concern assumptions |
Concept (Text Block (HTML)) |
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ifrs-full:DisclosureOfGoingConcernExplanatory |
| 372 |
Basis of consolidation |
Concept (Text Block (HTML)) |
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ifrs-full:DisclosureOfBasisOfConsolidationExplanatory |
| 373 |
Foreign currency |
Concept (Text Block (HTML)) |
For Period |
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ifrs-full:DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory |
| 374 |
Business combinations |
Concept (Text Block (HTML)) |
For Period |
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ifrs-full:DescriptionOfAccountingPolicyForBusinessCombinationsExplanatory |
| 375 |
Operating revenues |
Concept (Text Block (HTML)) |
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ifrs-full:DescriptionOfAccountingPolicyForRecognitionOfRevenue |
| 376 |
Cost of net financial debt |
Concept (Text Block (HTML)) |
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ifrs-full:DescriptionOfAccountingPolicyForBorrowingCostsExplanatory |
| 377 |
Income taxes and deferred taxes |
Concept (Text Block (HTML)) |
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cgg:DescriptionOfAccountingPolicyForIncomeTaxAndDeferredTaxesExplanatory |
| 378 |
Intangible and tangible assets |
Concept (Text Block (HTML)) |
For Period |
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cgg:DescriptionOfAccountingPolicyForIntangibleAndTangibleAssetsExplanatory |
| 379 |
Investments in companies under equity method |
Concept (Text Block (HTML)) |
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ifrs-full:DescriptionOfAccountingPolicyForInvestmentInAssociatesAndJointVenturesExplanatory |
| 380 |
Investments and other financial assets |
Concept (Text Block (HTML)) |
For Period |
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cgg:DescriptionOfAccountingPolicyForInvestmentsAndOtherFinancialAssetsExplanatory |
| 381 |
Treasury shares |
Concept (Text Block (HTML)) |
For Period |
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ifrs-full:DescriptionOfAccountingPolicyForTreasurySharesExplanatory |
| 382 |
Inventories |
Concept (Text Block (HTML)) |
For Period |
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ifrs-full:DescriptionOfAccountingPolicyForMeasuringInventories |
| 383 |
Trade accounts and Notes receivable |
Concept (Text Block (HTML)) |
For Period |
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ifrs-full:DescriptionOfAccountingPolicyForTradeAndOtherReceivablesExplanatory |
| 384 |
Provisions |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DescriptionOfAccountingPolicyForProvisionsExplanatory |
| 385 |
Financial debt |
Concept (Text Block (HTML)) |
For Period |
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ifrs-full:DescriptionOfAccountingPolicyForBorrowingsExplanatory |
| 386 |
Convertible debt |
Concept (Text Block (HTML)) |
For Period |
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ifrs-full:DescriptionOfAccountingPolicyForFinancialInstrumentsExplanatory |
| 387 |
Derivative financial instruments |
Concept (Text Block (HTML)) |
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ifrs-full:DescriptionOfAccountingPolicyForDerivativeFinancialInstrumentsExplanatory |
| 388 |
Cash flow statement |
Concept (Text Block (HTML)) |
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ifrs-full:DescriptionOfAccountingPolicyForCashFlowsExplanatory |
| 389 |
Share-based payments, including stock options |
Concept (Text Block (HTML)) |
For Period |
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ifrs-full:DescriptionOfAccountingPolicyForSharebasedPaymentTransactionsExplanatory |
| 390 |
Grants |
Concept (Text Block (HTML)) |
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ifrs-full:DescriptionOfAccountingPolicyForGovernmentGrants |
| 391 |
Earnings per share |
Concept (Text Block (HTML)) |
For Period |
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ifrs-full:DescriptionOfAccountingPolicyForEarningsPerShareExplanatory |
| 392 |
1044 - Disclosure - Summary of Significant Accounting Policies (Tables) |
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Text Block1 [Abstract] |
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cgg:TextBlock1Abstract |
| 395 |
Summary of Useful Lives Using Calculated to Depreciation |
Concept (Text Block (HTML)) |
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cgg:DisclosureOfEstimatedUsefulLivesOfPropertyPlantAndEquipmentExplanatory |
| 396 |
1045 - Disclosure - Significant Events, Acquisition And Divestures (Tables) |
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| 398 |
Text Block1 [Abstract] |
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cgg:TextBlock1Abstract |
| 399 |
Summary of Consideration Received and the Carrying Value of the Assets and Liabilities |
Concept (Text Block (HTML)) |
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cgg:DisclosureOfConsiderationReceivedAndCarryingValueOfAssetsAndLiabilitiesExplanatory |
| 400 |
Summary of Issuance of New Shares |
Concept (Text Block (HTML)) |
For Period |
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cgg:DisclosureOfSharesIssuedExplanatory |
| 401 |
Summary of Financial Restructuring, Cash and Cash Equivalents |
Concept (Text Block (HTML)) |
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cgg:SummaryOfFinancialRestructuringCashAndCashEquivalentsExplanatory |
| 402 |
Summary of Financial Restructuring, Net Proceeds from Restructuring |
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cgg:SummaryOfFinancialRestructuringNetProceedsFromRestructuringExplanatory |
| 403 |
Summary of Financial Restructuring, Financial Debt (Gross) Level |
Concept (Text Block (HTML)) |
For Period |
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cgg:DisclosureOfGrossDebtLevelExplanatory |
| 404 |
1046 - Disclosure - Trade Accounts and Notes Receivable (Tables) |
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Implied Table |
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| 406 |
Text Block1 [Abstract] |
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cgg:TextBlock1Abstract |
| 407 |
Summary of Trade Accounts and Notes Receivables by Maturity |
Concept (Text Block (HTML)) |
For Period |
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cgg:DisclosureOfDetailedInformationOfTradeAccountsAndNotesReceivableExplanatory |
| 408 |
Summary of Ageing Analysis of Net Trade Accounts and Notes Receivables |
Concept (Text Block (HTML)) |
For Period |
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cgg:DisclosureOfAgeingAnalysisOfNetTradeAccountsAndNotesReceivablesExplanatory |
| 409 |
1047 - Disclosure - Inventories and Work in Progress (Tables) |
Network |
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| 410 |
Implied Table |
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| 411 |
Text Block1 [Abstract] |
Abstract |
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cgg:TextBlock1Abstract |
| 412 |
Summary of Inventories and Work in Progress |
Concept (Text Block (HTML)) |
For Period |
|
cgg:DisclosureOfDetailedInformationAboutInventoriesExplanatory |
| 413 |
Summary of Variation of Inventories and Work in Progress |
Concept (Text Block (HTML)) |
For Period |
|
cgg:DisclosureOfVariationOfInventoriesAndWorkInProgressExplanatory |
| 414 |
1048 - Disclosure - Other Current Assets and Assets Held for Sale (Tables) |
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Implied Table |
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| 416 |
Text Block1 [Abstract] |
Abstract |
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cgg:TextBlock1Abstract |
| 417 |
Summary of Other Current Assets |
Concept (Text Block (HTML)) |
For Period |
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ifrs-full:DisclosureOfOtherCurrentAssetsExplanatory |
| 418 |
Summary of Assets Held for Sale |
Concept (Text Block (HTML)) |
For Period |
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ifrs-full:DisclosureOfNoncurrentAssetsHeldForSaleAndDiscontinuedOperationsExplanatory |
| 419 |
1049 - Disclosure - Asset Valuation Allowance (Tables) |
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Text Block1 [Abstract] |
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cgg:TextBlock1Abstract |
| 422 |
Summary of Asset Valuation Allowance |
Concept (Text Block (HTML)) |
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cgg:DisclosureOfDetailedInformationAboutExplorationAndEvaluationAssetsExplanatory |
| 423 |
1050 - Disclosure - Investments and Other Financial Assets (Tables) |
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http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfInvestmentsAndOtherFinancialAssetsExplanatoryTables |
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Implied Table |
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Text Block1 [Abstract] |
Abstract |
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cgg:TextBlock1Abstract |
| 426 |
Summary of Investments and Other Financial Assets |
Concept (Text Block (HTML)) |
For Period |
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cgg:DisclosureOfDetailedInformationOfInvestmentsAndOtherFinancialAssetsExplanatory |
| 427 |
Summary of Non-Consolidated Investments |
Concept (Text Block (HTML)) |
For Period |
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ifrs-full:DisclosureOfUnconsolidatedStructuredEntitiesExplanatory |
| 428 |
1051 - Disclosure - Investments in Companies Under Equity Method (Tables) |
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http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfInvestmentsAccountedForUsingEquityMethodExplanatoryTables |
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Implied Table |
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| 430 |
Text Block1 [Abstract] |
Abstract |
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cgg:TextBlock1Abstract |
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Summary of Investments in Companies Under the Equity Method |
Concept (Text Block (HTML)) |
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cgg:DisclosureOfDetailedInformationOfInvestmentsInCompaniesUnderTheEquityMethodExplanatory |
| 432 |
Summary of Variations of Investments in Companies Under Equity Method |
Concept (Text Block (HTML)) |
For Period |
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cgg:DisclosureOfDetailedInformationOfVariationsOfInvestmentsInCompaniesUnderEquityMethodExplanatory |
| 433 |
Summary of Main Contributive Of Investments in Companies Under Equity Method |
Concept (Text Block (HTML)) |
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cgg:DisclosureOfDetailedInformationOfMainContributiveOfInvestmentsInCompaniesUnderEquityMethodExplanatory |
| 434 |
Summary of Investments in Companies under Equity Method |
Concept (Text Block (HTML)) |
For Period |
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cgg:DisclosureOfDetailedInformationOfIncomeLossInCompaniesAccountedForUnderTheEquityMethodExplanatory |
| 435 |
Summary of Share of Income (Loss) in Companies Accounted for under Equity Method |
Concept (Text Block (HTML)) |
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cgg:DisclosureOfDetailedInformationOfShareOfIncomeLossInCompaniesAccountedForUnderTheEquityMethodExplanatory |
| 436 |
1052 - Disclosure - Property, Plant and Equipment (Tables) |
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Implied Table |
Table |
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Text Block1 [Abstract] |
Abstract |
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cgg:TextBlock1Abstract |
| 439 |
Summary of Property Plant and Equipment |
Concept (Text Block (HTML)) |
For Period |
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ifrs-full:DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory |
| 440 |
Schedule of Variation of the Period of Property Plant and Equipment |
Concept (Text Block (HTML)) |
For Period |
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cgg:DisclosureOfDetailedInformationAboutChangesInPropertyPlantAndEquipmentExplanatory |
| 441 |
Reconciliation of Acquisitions with Consolidated Statements of Cash Flows |
Concept (Text Block (HTML)) |
For Period |
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cgg:DisclosureOfReconciliationOfChangesPropertyPlantAndEquipmentExplanatory |
| 442 |
Summary of Land, Buildings and Geophysical Equipment Recorded Under Finance Leases |
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ifrs-full:DisclosureOfRecognisedFinanceLeaseAsAssetsByLesseeExplanatory |
| 443 |
1053 - Disclosure - Intangible Assets (Tables) |
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http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfIntangibleAssetsExplanatoryTables |
| 444 |
Implied Table |
Table |
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implied:Table |
| 445 |
Text Block1 [Abstract] |
Abstract |
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cgg:TextBlock1Abstract |
| 446 |
Schedule of Intangible Assets |
Concept (Text Block (HTML)) |
For Period |
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ifrs-full:DisclosureOfDetailedInformationAboutIntangibleAssetsExplanatory |
| 447 |
Schedule of Variation of Intangible Assets |
Concept (Text Block (HTML)) |
For Period |
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cgg:DisclosureOfChangesIntangibleAssetOtherThanGoodwillExplanatory |
| 448 |
Summary of Reconciliation of Acquisitions with Consolidated Statements of Cash Flows and Capital Expenditures |
Concept (Text Block (HTML)) |
For Period |
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cgg:DisclosureOfReconciliationOfChangesInIntangibleAssetsOtherThanGoodwillExplanatory |
| 449 |
1054 - Disclosure - Goodwill (Tables) |
Network |
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http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfGoodwillExplanatoryTables |
| 450 |
Implied Table |
Table |
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| 451 |
Text Block1 [Abstract] |
Abstract |
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cgg:TextBlock1Abstract |
| 452 |
Summary of Analysis of Goodwill |
Concept (Text Block (HTML)) |
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ifrs-full:DisclosureOfReconciliationOfChangesInGoodwillExplanatory |
| 453 |
Summary of Total Group Goodwill per Segment |
Concept (Text Block (HTML)) |
For Period |
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ifrs-full:DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesExplanatory |
| 454 |
Summary of Changes in Assumptions used in Impairment Test |
Concept (Text Block (HTML)) |
For Period |
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cgg:DisclosureOfDetailedInformationAboutSensitivityToChangesInAssumptionsExplanatory |
| 455 |
1055 - Disclosure - Other Current Liabilities (Tables) |
Network |
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http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfOtherCurrentLiabilitiesExplanatoryTables |
| 456 |
Implied Table |
Table |
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implied:Table |
| 457 |
Text Block1 [Abstract] |
Abstract |
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cgg:TextBlock1Abstract |
| 458 |
Summary of Other Current Liabilities |
Concept (Text Block (HTML)) |
For Period |
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cgg:DisclosureOfDetailedInformationAboutOtherCurrentLiabilitiesExplanatory |
| 459 |
1056 - Disclosure - Financial Debt (Tables) |
Network |
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http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfBorrowingsExplanatoryTables |
| 460 |
Implied Table |
Table |
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implied:Table |
| 461 |
Text Block1 [Abstract] |
Abstract |
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cgg:TextBlock1Abstract |
| 462 |
Schedule of Financial Debt |
Concept (Text Block (HTML)) |
For Period |
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ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsExplanatory |
| 463 |
Summary of Changes in Liabilities Arising From Financing Activities |
Concept (Text Block (HTML)) |
For Period |
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cgg:DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesExplanatory |
| 464 |
Schedule of Financial Debt by Financing Sources |
Concept (Text Block (HTML)) |
For Period |
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cgg:DisclosureOfBorrowingFacilitiesExplanatory |
| 465 |
Schedule of Financial Debt by Currency |
Concept (Text Block (HTML)) |
For Period |
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cgg:DisclosureOfAnalysisOfBorrowingsByCurrencyExplanatory |
| 466 |
Schedule of Financial Debt by Interest Rate |
Concept (Text Block (HTML)) |
For Period |
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ifrs-full:DisclosureOfFinancialInstrumentsByTypeOfInterestRateExplanatory |
| 467 |
Summary of Analysis of Authorized Credit Lines |
Concept (Text Block (HTML)) |
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cgg:DisclosureOfAnalysisOfAuthorizedCreditLinesExplanatory |
| 468 |
1057 - Disclosure - Financial Instruments (Tables) |
Network |
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| 469 |
Implied Table |
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| 470 |
Text Block1 [Abstract] |
Abstract |
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cgg:TextBlock1Abstract |
| 471 |
Summary of Exchange Rate Exposure |
Concept (Text Block (HTML)) |
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cgg:DisclosureOfDetailedInformationOfExchangeRateExposureExplanatory |
| 472 |
Summary of Effects of Forward Exchange Contracts on Financial Statements |
Concept (Text Block (HTML)) |
For Period |
|
cgg:DisclosureOfDetailedInformationAboutCurrencyForwardContractsExplanatory |
| 473 |
Summary of Variable Interest Rate Exposure by Maturity |
Concept (Text Block (HTML)) |
For Period |
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cgg:DisclosureOfVariableInterestRateExposureByMaturityExplanatory |
| 474 |
Summary of Variable Interest Rate Exposure over Financial Assets and Liabilities |
Concept (Text Block (HTML)) |
For Period |
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cgg:DisclosureOfDetailedInformationOfVariableInterestRateExposureOverFinancialAssetsAndLiabilitiesExplanatory |
| 475 |
Summary of Financial Instruments by Categories in Statement of Financial Position |
Concept (Text Block (HTML)) |
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ifrs-full:DisclosureOfDetailedInformationAboutFinancialInstrumentsExplanatory |
| 476 |
1058 - Disclosure - Common Stock and Stock Option Plans (Tables) |
Network |
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http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfSharebasedPaymentArrangementsExplanatoryTables |
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Implied Table |
Table |
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Text Block1 [Abstract] |
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cgg:TextBlock1Abstract |
| 479 |
Summary of Information Related To Options Outstanding |
Concept (Text Block (HTML)) |
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ifrs-full:DisclosureOfRangeOfExercisePricesOfOutstandingShareOptionsExplanatory |
| 480 |
Summary of Company's Stock Option Activity, and Related Information |
Concept (Text Block (HTML)) |
For Period |
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ifrs-full:DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsExplanatory |
| 481 |
Summary of Assumptions Used to Value Options Plans |
Concept (Text Block (HTML)) |
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ifrs-full:DisclosureOfIndirectMeasurementOfFairValueOfGoodsOrServicesReceivedShareOptionsGrantedDuringPeriodExplanatory |
| 482 |
Summary of Fair Value of Stock Options and Performance Shares and Units Granted Recognized as Expense |
Concept (Text Block (HTML)) |
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cgg:DisclosureOfFairValueOfStockOptionsAndPerformanceSharesAndUnitsGrantedRecognizedAsExpenseOverLifeOfPlanExplanatory |
| 483 |
1059 - Disclosure - Provisions (Tables) |
Network |
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http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfProvisionsExplanatoryTables |
| 484 |
Implied Table |
Table |
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implied:Table |
| 485 |
Text Block1 [Abstract] |
Abstract |
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cgg:TextBlock1Abstract |
| 486 |
Summary of Reconciliation of Provisions |
Concept (Text Block (HTML)) |
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cgg:DisclosureOfDetailedInformationAboutProvisionsExplanatory |
| 487 |
Summary of Status of Retirement Indemnity Plans |
Concept (Text Block (HTML)) |
For Period |
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ifrs-full:DisclosureOfNetDefinedBenefitLiabilityAssetExplanatory |
| 488 |
Summary of Changes in Defined Benefit Obligation and Fair Value of Plan Assets |
Concept (Text Block (HTML)) |
For Period |
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cgg:DisclosureOfChangesInTheDefinedBenefitObligationAndFairValueOfPlanAssetsExplanatory |
| 489 |
Summary of Major Categories of Plan Assets |
Concept (Text Block (HTML)) |
For Period |
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ifrs-full:DisclosureOfFairValueOfPlanAssetsExplanatory |
| 490 |
1060 - Disclosure - Other Non-current Liabilities (Tables) |
Network |
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http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfOtherNoncurrentLiabilitiesExplanatoryTables |
| 491 |
Implied Table |
Table |
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implied:Table |
| 492 |
Text Block1 [Abstract] |
Abstract |
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cgg:TextBlock1Abstract |
| 493 |
Summary of Other Non-current Liabilities |
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cgg:DisclosureOfDetailedInformationAboutOtherNoncurrentLiabilitiesExplanatory |
| 494 |
1061 - Disclosure - Contractual Obligations, Commitments and Contingencies (Tables) |
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http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfCommitmentsAndContingentLiabilitiesExplanatoryTables |
| 495 |
Implied Table |
Table |
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| 496 |
Text Block1 [Abstract] |
Abstract |
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cgg:TextBlock1Abstract |
| 497 |
Schedule of Status on Contractual Obligations |
Concept (Text Block (HTML)) |
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cgg:DisclosureOfContractualObligationsExplanatory |
| 498 |
Schedule of Future Periods Relating to Contractual Obligations |
Concept (Text Block (HTML)) |
For Period |
|
cgg:DisclosureOfFuturePaymentsOfCommitmentsExplanatory |
| 499 |
Schedule of Reconciliation Between Finance Lease Obligations and Finance Lease Debts |
Concept (Text Block (HTML)) |
For Period |
|
cgg:DisclosureOfReconciliationBetweenFinanceLeaseObligationsAndFinanceLeaseDebtsExplanatory |
| 500 |
Summary of Guarantees |
Concept (Text Block (HTML)) |
For Period |
|
cgg:DisclosureOfGuaranteesExplanatory |
| 501 |
Summary of Duration of Guarantees and Commitments |
Concept (Text Block (HTML)) |
For Period |
|
cgg:DisclosureOfGuaranteesAndCommitmentsDurationExplanatory |
| 502 |
1062 - Disclosure - Analysis by Operating Segment and Geographic Area (Tables) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfEntitysReportableSegmentsExplanatoryTables |
| 503 |
Implied Table |
Table |
* |
* |
implied:Table |
| 504 |
Text Block1 [Abstract] |
Abstract |
|
|
cgg:TextBlock1Abstract |
| 505 |
Analysis by Segment |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfOperatingSegmentsExplanatory |
| 506 |
Analysis of Operating Revenues by Location of Customers |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfGeographicalAreasExplanatory |
| 507 |
Summary of Analysis of Operating Revenues by Category |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfProductsAndServicesExplanatory |
| 508 |
1063 - Disclosure - Research and Development Expenses (Tables) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfResearchAndDevelopmentExpenseExplanatoryTables |
| 509 |
Implied Table |
Table |
* |
* |
implied:Table |
| 510 |
Text Block1 [Abstract] |
Abstract |
|
|
cgg:TextBlock1Abstract |
| 511 |
Summary of Research and Development Expenses |
Concept (Text Block (HTML)) |
For Period |
|
cgg:DisclosureOfDetailedInformationOfResearchAndDevelopmentExpenseExplanatory |
| 512 |
1064 - Disclosure - Other Revenues and Expenses (Tables) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfOtherOperatingIncomeExpenseExplanatoryTables |
| 513 |
Implied Table |
Table |
* |
* |
implied:Table |
| 514 |
Text Block1 [Abstract] |
Abstract |
|
|
cgg:TextBlock1Abstract |
| 515 |
Summary of Other Revenues and Expenses |
Concept (Text Block (HTML)) |
For Period |
|
cgg:DisclosureOfOtherOperatingIncomeAndExpenseNetExplanatory |
| 516 |
1065 - Disclosure - Cost of Financial Debt (Tables) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfBorrowingCostsExplanatoryTables |
| 517 |
Implied Table |
Table |
* |
* |
implied:Table |
| 518 |
Text Block1 [Abstract] |
Abstract |
|
|
cgg:TextBlock1Abstract |
| 519 |
Schedule of Cost of Financial Debt |
Concept (Text Block (HTML)) |
For Period |
|
cgg:DisclosureOfFinancialDebtAndRelatedFinancialInstrumentsExplanatory |
| 520 |
1066 - Disclosure - Other Financial Income (Loss) (Tables) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfFinanceIncomeExpenseExplanatoryTables |
| 521 |
Implied Table |
Table |
* |
* |
implied:Table |
| 522 |
Text Block1 [Abstract] |
Abstract |
|
|
cgg:TextBlock1Abstract |
| 523 |
Schedule of Other Financial Income (Loss) |
Concept (Text Block (HTML)) |
For Period |
|
cgg:DisclosureOfOtherIncomeAndExpensesExplanatory |
| 524 |
1067 - Disclosure - Income Taxes (Tables) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfIncomeTaxExplanatoryTables |
| 525 |
Implied Table |
Table |
* |
* |
implied:Table |
| 526 |
Text Block1 [Abstract] |
Abstract |
|
|
cgg:TextBlock1Abstract |
| 527 |
Schedule of Income Tax Benefit (Expense) |
Concept (Text Block (HTML)) |
For Period |
|
cgg:DisclosureOfIncomeTaxBenefitsExpenseExplanatory |
| 528 |
Schedule of Income Tax Reconciliation |
Concept (Text Block (HTML)) |
For Period |
|
cgg:DisclosureOfReconciliationOfIncomeTaxExpenseBenefitExplanatory |
| 529 |
Summary of Deferred Tax Assets and Liabilities |
Concept (Text Block (HTML)) |
For Period |
|
cgg:DisclosureOfDeferredTaxAssetsAndLiabilitiesExplanatory |
| 530 |
Summary of Deferred Tax Assets (Liabilities) Per Tax Group |
Concept (Text Block (HTML)) |
For Period |
|
cgg:DisclosureOfDeferredTaxesPerTaxGroupExplanatory |
| 531 |
Summary of Net Operating Loss Carried Forward Not Recognized |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsExplanatory |
| 532 |
1068 - Disclosure - Personnel (Tables) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfInformationAboutEmployeesExplanatoryTables |
| 533 |
Implied Table |
Table |
* |
* |
implied:Table |
| 534 |
Text Block1 [Abstract] |
Abstract |
|
|
cgg:TextBlock1Abstract |
| 535 |
Summary of Analysis of Personnel |
Concept (Text Block (HTML)) |
For Period |
|
cgg:DisclosureOfDetailedInformationAboutAnalysisOfPersonnelExplanatory |
| 536 |
1069 - Disclosure - Key Management Personnel Compensation (Tables) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfInformationAboutKeyManagementPersonnelExplanatoryTables |
| 537 |
Implied Table |
Table |
* |
* |
implied:Table |
| 538 |
Text Block1 [Abstract] |
Abstract |
|
|
cgg:TextBlock1Abstract |
| 539 |
Summary of Directors and Key C-Com Members' Compensation |
Concept (Text Block (HTML)) |
For Period |
|
cgg:DisclosureOfKeyManagementPersonnelCompensationExplanatory |
| 540 |
1070 - Disclosure - Related Party Transactions (Tables) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfRelatedPartyExplanatoryTables |
| 541 |
Implied Table |
Table |
* |
* |
implied:Table |
| 542 |
Text Block1 [Abstract] |
Abstract |
|
|
cgg:TextBlock1Abstract |
| 543 |
Summary of Transactions with Related Parties |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesExplanatory |
| 544 |
1071 - Disclosure - Supplementary Cash Flow Information (Tables) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfCashFlowStatementExplanatoryTables |
| 545 |
Implied Table |
Table |
* |
* |
implied:Table |
| 546 |
Text Block1 [Abstract] |
Abstract |
|
|
cgg:TextBlock1Abstract |
| 547 |
Summary of Cash and Cash Equivalents |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfCashAndCashEquivalentsExplanatory |
| 548 |
1072 - Disclosure - Earnings per Share (Tables) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfEarningsPerShareExplanatoryTables |
| 549 |
Implied Table |
Table |
* |
* |
implied:Table |
| 550 |
Text Block1 [Abstract] |
Abstract |
|
|
cgg:TextBlock1Abstract |
| 551 |
Summary of Earnings per Share |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:EarningsPerShareExplanatory |
| 552 |
1073 - Disclosure - List of Principal Consolidated Subsidiaries as of December 31, 2017 (Tables) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfSignificantInvestmentsInSubsidiariesExplanatoryTables |
| 553 |
Implied Table |
Table |
* |
* |
implied:Table |
| 554 |
Text Block1 [Abstract] |
Abstract |
|
|
cgg:TextBlock1Abstract |
| 555 |
Summary of Subsidiaries |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfInterestsInSubsidiariesExplanatory |
| 556 |
1074 - Disclosure - Condensed Consolidating Information for Certain Subsidiaries (Tables) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfCondensedConsolidatingInformationForCertainSubsidiariesExplanatoryTables |
| 557 |
Implied Table |
Table |
* |
* |
implied:Table |
| 558 |
Text Block1 [Abstract] |
Abstract |
|
|
cgg:TextBlock1Abstract |
| 559 |
Summary of Condensed Consolidated Financial Information |
Concept (Text Block (HTML)) |
For Period |
|
cgg:DisclosureOfDetailedInformationOfCondensedConsolidatedFinancialInformationExplanatory |
| 560 |
1075 - Disclosure - Summary of Significant Accounting Policies - Intangible and Tangible Assets - Additional Information (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureSummaryOfSignificantAccountingPoliciesIntangibleAndTangibleAssetsAdditionalInformation |
| 561 |
Disclosure of detailed information about intangible assets [Table] |
Table |
* |
* |
ifrs-full:DisclosureOfIntangibleAssetsTable |
| 562 |
Classes of intangible assets other than goodwill [Axis] |
Axis |
|
|
ifrs-full:ClassesOfIntangibleAssetsOtherThanGoodwillAxis |
| 563 |
Intangible assets other than goodwill [Member] |
Member |
|
|
ifrs-full:IntangibleAssetsOtherThanGoodwillMember |
| 564 |
Development costs capitalized [member] |
Member |
|
|
ifrs-full:CapitalisedDevelopmentExpenditureMember |
| 565 |
Customer Relationships [Member] |
Member |
|
|
ifrs-full:CustomerrelatedIntangibleAssetsMember |
| 566 |
Research - technology [Member] |
Member |
|
|
ifrs-full:TechnologybasedIntangibleAssetsMember |
| 567 |
Multi-Client Surveys [Member] |
Member |
|
|
cgg:MulticlientSurveysMember |
| 568 |
Non-adjusting events after reporting period [Axis] |
Axis |
|
|
ifrs-full:NonadjustingEventsAfterReportingPeriodAxis |
| 569 |
Non-adjusting events after reporting period [Member] |
Member |
|
|
ifrs-full:NonadjustingEventsMember |
| 570 |
Announcing or Commencing Implementation of Major Restructuring [Member] |
Member |
|
|
ifrs-full:AnnouncingOrCommencingImplementationOfMajorRestructuringMember |
| 571 |
Disclosure of detailed information about intangible assets [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfIntangibleAssetsLineItems |
| 572 |
Percentage of license delivery representing of contract |
Concept (Percent) |
For Period |
|
cgg:PercentageOfLicenseDeliveryRepresentingOfContract |
| 573 |
Percentage of potentially increase |
Concept (Percent) |
For Period |
|
cgg:PercentageOfPotentiallyIncrease |
| 574 |
Percentage of potentially decrease |
Concept (Percent) |
For Period |
|
cgg:PercentageOfPotentiallyDecrease |
| 575 |
Revenue from contracts with customers |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:RevenueFromContractsWithCustomers |
| 576 |
Net proceeds from restructuring |
Concept (Monetary) |
For Period |
Debit |
cgg:NetProceedsFromRestructuringCirca |
| 577 |
Amortization period |
Concept (Text/String) |
For Period |
|
ifrs-full:UsefulLivesOrAmortisationRatesIntangibleAssetsOtherThanGoodwill |
| 578 |
1076 - Disclosure - Summary of Significant Accounting Policies - Summary of Useful Lives Using Calculated to Depreciation (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureSummaryOfSignificantAccountingPoliciesSummaryOfUsefulLivesUsingCalculatedToDepreciation |
| 579 |
Disclosure of detailed information about property, plant and equipment [Table] |
Table |
* |
* |
ifrs-full:DisclosureOfPropertyPlantAndEquipmentTable |
| 580 |
Classes of property, plant and equipment [Axis] |
Axis |
|
|
ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis |
| 581 |
Property, Plant and Equipment [Member] |
Member |
|
|
ifrs-full:PropertyPlantAndEquipmentMember |
| 582 |
Equipment and tools [Member] |
Member |
|
|
cgg:EquipmentAndToolsMember |
| 583 |
Vehicles [Member] |
Member |
|
|
ifrs-full:VehiclesMember |
| 584 |
Aircrafts [Member] |
Member |
|
|
ifrs-full:AircraftMember |
| 585 |
Seismic Vessels [Member] |
Member |
|
|
ifrs-full:ShipsMember |
| 586 |
Buildings for Industrial use [Member] |
Member |
|
|
cgg:BuildingsForIndustrialUseMember |
| 587 |
Buildings for administrative and commercial use [Member] |
Member |
|
|
cgg:BuildingsForAdministrativeAndCommercialUseMember |
| 588 |
Disclosure of detailed information about property, plant and equipment [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfPropertyPlantAndEquipmentLineItems |
| 589 |
Useful lives |
Concept (Text/String) |
For Period |
|
ifrs-full:UsefulLivesOrDepreciationRatesPropertyPlantAndEquipment |
| 590 |
1077 - Disclosure - Summary of Significant Accounting Policies - Trade Accounts and Notes Receivable - Additional Information (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureSummaryOfSignificantAccountingPoliciesTradeAccountsAndNotesReceivableAdditionalInformation |
| 591 |
Implied Table |
Table |
* |
* |
implied:Table |
| 592 |
Disclosure of Trade Accounts and Notes Receivable [Abstract] |
Abstract |
|
|
cgg:DisclosureOfTradeAccountsAndNotesReceivableAbstract |
| 593 |
Accounts receivable billing description |
Concept (Text/String) |
For Period |
|
cgg:AccountsReceivableBillingDescription |
| 594 |
1078 - Disclosure - Significant Events, Acquisition and Divestures - Additional Information (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureSignificantEventsAcquisitionAndDivesturesAdditionalInformation |
| 595 |
Significant Events Acquisitions Divestitures [Table] |
Table |
* |
* |
cgg:SignificantEventsAcquisitionsDivestituresTable |
| 596 |
Joint ventures [Axis] |
Axis |
|
|
ifrs-full:JointVenturesAxis |
| 597 |
Entity's total for joint ventures [Member] |
Member |
|
|
ifrs-full:EntitysTotalForJointVenturesMember |
| 598 |
Gardline CGG Pte Ltd [Member] |
Member |
|
|
cgg:GardlineCggPteLtdMember |
| 599 |
Associates [Axis] |
Axis |
|
|
ifrs-full:SignificantInvestmentsInAssociatesAxis |
| 600 |
Entity's total for associates [Member] |
Member |
|
|
ifrs-full:EntitysTotalForAssociatesMember |
| 601 |
Ardiseis FZCO [Member] |
Member |
|
|
cgg:ArdiseisFzcoMember |
| 602 |
Argas [member] |
Member |
|
|
cgg:ArgasMember |
| 603 |
Borrowings by name [Axis] |
Axis |
|
|
ifrs-full:BorrowingsByNameAxis |
| 604 |
Borrowings by name [Member] |
Member |
|
|
ifrs-full:BorrowingsByNameMember |
| 605 |
High Yield Bonds Due 2017 [Member] |
Member |
|
|
cgg:HighYieldBondsDue2017Member |
| 606 |
Second lien secured senior notes due 2024 [member] |
Member |
|
|
cgg:SecondLienSecuredSeniorNotesDue2024Member |
| 607 |
High Yield Bonds Due 2021 [Member] |
Member |
|
|
cgg:HighYieldBondsMarineDue2021Member |
| 608 |
First lien secured senior notes due 2023 [member] |
Member |
|
|
cgg:FirstLienSecuredSeniorNotesDue2023Member |
| 609 |
Ordinary shares from convertible bonds [member] |
Member |
|
|
cgg:OrdinarySharesFromConvertibleBondsMember |
| 610 |
Ordinary shares from senior notes [member] |
Member |
|
|
cgg:OrdinarySharesFromSeniorNotesMember |
| 611 |
Non-adjusting events after reporting period [Axis] |
Axis |
|
|
ifrs-full:NonadjustingEventsAfterReportingPeriodAxis |
| 612 |
Non-adjusting events after reporting period [Member] |
Member |
|
|
ifrs-full:NonadjustingEventsMember |
| 613 |
Announcing or Commencing Implementation of Major Restructuring [Member] |
Member |
|
|
ifrs-full:AnnouncingOrCommencingImplementationOfMajorRestructuringMember |
| 614 |
Subsequent Event [Member] |
Member |
|
|
cgg:SubsequentEvent1Member |
| 615 |
Categories of related parties [Axis] |
Axis |
|
|
ifrs-full:CategoriesOfRelatedPartiesAxis |
| 616 |
Entity's total for related parties [Member] |
Member |
|
|
ifrs-full:EntitysTotalForRelatedPartiesMember |
| 617 |
Creditors [Member] |
Member |
|
|
cgg:CreditorsMember |
| 618 |
TAQA [Member] |
Member |
|
|
cgg:TaqaMember |
| 619 |
Ad Hoc Committee [Member] |
Member |
|
|
cgg:AdHocCommitteeMember |
| 620 |
DNCA [Member] |
Member |
|
|
cgg:DNCAMember |
| 621 |
Bpifrance Participations [Member] |
Member |
|
|
cgg:BpifranceParticipationsMember |
| 622 |
Classes of financial liabilities [Axis] |
Axis |
|
|
ifrs-full:ClassesOfFinancialLiabilitiesAxis |
| 623 |
Financial liabilities, class [Member] |
Member |
|
|
ifrs-full:FinancialLiabilitiesMember |
| 624 |
Secured Loans [Member] |
Member |
|
|
cgg:SecuredLoansMember |
| 625 |
High yield bonds [Member] |
Member |
|
|
cgg:HighYieldBondsMember |
| 626 |
Secured Debt [Member] |
Member |
|
|
cgg:SecuredDebtMember |
| 627 |
Convertible Bonds [Member] |
Member |
|
|
cgg:ConvertibleBondsMember |
| 628 |
Classes of ordinary shares [Axis] |
Axis |
|
|
ifrs-full:ClassesOfOrdinarySharesAxis |
| 629 |
Ordinary Shares [Member] |
Member |
|
|
ifrs-full:OrdinarySharesMember |
| 630 |
New Ordinary Shares [Member] |
Member |
|
|
cgg:NewOrdinarySharesMember |
| 631 |
Currency [Axis] |
Axis |
|
|
cgg:CurrencyAxis |
| 632 |
Currency [Domain] |
Member |
|
|
cgg:CurrencyDomain |
| 633 |
US$ [member] |
Member |
|
|
currency:USD |
| 634 |
EUR [member] |
Member |
|
|
currency:EUR |
| 635 |
Types of share-based payment arrangements [Axis] |
Axis |
|
|
ifrs-full:TypesOfSharebasedPaymentArrangementsAxis |
| 636 |
Share-based payment arrangements [Member] |
Member |
|
|
ifrs-full:SharebasedPaymentArrangementsMember |
| 637 |
Backstop Warrants [member] |
Member |
|
|
cgg:BackstopWarrantsMember |
| 638 |
Warrants 1 [member] |
Member |
|
|
cgg:Warrants1Member |
| 639 |
Warrants 3 [member] |
Member |
|
|
cgg:Warrants3Member |
| 640 |
Coordination Warrants [member] |
Member |
|
|
cgg:CoordinationWarrantsMember |
| 641 |
Significant Events Acquisitions Divestitures [Line Items] |
LineItems |
|
|
cgg:SignificantEventsAcquisitionsDivestituresLineItems |
| 642 |
Number of cold-stacked seismic vessels |
Concept (Integer) |
For Period |
|
cgg:NumberOfColdStackedSeismicVessels |
| 643 |
Notes issued |
Concept (Monetary) |
As Of |
|
ifrs-full:NotionalAmount |
| 644 |
Interest rate of notes issued |
Concept (Percent) |
As Of |
|
ifrs-full:BorrowingsInterestRate |
| 645 |
Aggregate outstanding principal amount of notes |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:Borrowings |
| 646 |
Unsecured bank loan received |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:UnsecuredBankLoansReceived |
| 647 |
Percentage of debt held |
Concept (Percent) |
For Period |
|
cgg:PercentageOfBorrowers |
| 648 |
Percentage of share capital |
Concept (Percent) |
For Period |
|
cgg:PercentageOfShareCapital |
| 649 |
Percentage of bondholders approved the safeguard plan |
Concept (Percent) |
For Period |
|
cgg:PercentageOfVotingRights |
| 650 |
Notional amount as new money |
Concept (Monetary) |
As Of |
|
cgg:NotionalAmountAsNewMoney |
| 651 |
Percentage of bondholders approved the safeguard plan |
Concept (Percent) |
For Period |
|
cgg:PercentageOfVoteInFavorOfApprovalForBuyBack |
| 652 |
Percentage of shareholders present at general meeting\ |
Concept (Percent) |
For Period |
|
cgg:PercentageOfQuorum |
| 653 |
Percentage of shareholders required to be present at extra ordinary general meeting |
Concept (Percent) |
As Of |
|
cgg:PercentageOfQuorumRequired |
| 654 |
Reduce of share capital |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ReductionOfIssuedCapital |
| 655 |
Net proceeds of the issuance amount |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:IssuedCapital |
| 656 |
Nominal value of price per share |
Concept (Share) |
As Of |
|
ifrs-full:ParValuePerShare |
| 657 |
Final gross proceed through distribution of preferential subscription |
Concept (Monetary) |
As Of |
Credit |
cgg:GrossIssueOfEquity |
| 658 |
Additional shares issued |
Concept (Shares) |
For Period |
|
ifrs-full:IncreaseDecreaseInNumberOfOrdinarySharesIssued |
| 659 |
Subscription price per share |
Concept (Share) |
As Of |
|
cgg:SubscriptionPricePerShare |
| 660 |
Share premium par value per share |
Concept (Share) |
As Of |
|
cgg:SharePremiumParValuePerShare |
| 661 |
Total demand of shares issued |
Concept (Monetary) |
As Of |
Credit |
cgg:DemandOfSharesIssued |
| 662 |
Demand of shares issued higher than target amount |
Concept (Monetary) |
As Of |
Credit |
cgg:DemandOfSharesIssuedHigherThanTargetAmount |
| 663 |
Share subscription rate |
Concept (Percent) |
For Period |
|
cgg:PercentageOfSubscriptionOfShares |
| 664 |
Number of shares subscribed on non-reducible basis |
Concept (Shares) |
For Period |
|
cgg:NumberOfSharesSubscribedOnNonReducibleBasis |
| 665 |
Percentage of shares subscribed on non-reducible basis of ABSA to be issued |
Concept (Percent) |
For Period |
|
cgg:PercentageOfSharesSubscribedOnNonReducibleBasisOfSharesToBeIssued |
| 666 |
Number of shares subscribed on reducible basis |
Concept (Shares) |
For Period |
|
cgg:NumberOfSharesSubscribedOnReducibleBasis |
| 667 |
Maximum number of shares partially satisfied of ABSA |
Concept (Shares) |
For Period |
|
cgg:MaximumNumberOfSharesPartiallySatisfiedOfSharesIssued |
| 668 |
Borrowings maturity date |
Concept (Text/String) |
For Period |
|
cgg:BorrowingsMaturityDates |
| 669 |
Borrowings interest, floor rate |
Concept (Text/String) |
For Period |
|
ifrs-full:BorrowingsInterestRateBasis |
| 670 |
Borrowings interest rate |
Concept (Percent) |
As Of |
|
ifrs-full:BorrowingsAdjustmentToInterestRateBasis |
| 671 |
Paid-in-kind interest rate |
Concept (Percent) |
As Of |
|
cgg:PaidInKindInterestRate |
| 672 |
Borrowings upfront paydown |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:RepaymentsOfNoncurrentBorrowings |
| 673 |
Principal amount, in exchange for part of accrued interest claims |
Concept (Monetary) |
As Of |
Credit |
cgg:NotionalAmountAsExchange |
| 674 |
Number of shares issued |
Concept (Decimal) |
For Period |
|
ifrs-full:NumberOfInstrumentsOtherEquityInstrumentsGranted |
| 675 |
Fair value of share issues |
Concept (Shares) |
As Of |
|
ifrs-full:NumberOfSharesIssued |
| 676 |
Cash and cash equivalents |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CashAndCashEquivalents |
| 677 |
Exchange rate |
Concept (Decimal) |
As Of |
|
ifrs-full:ClosingForeignExchangeRate |
| 678 |
Net proceeds from restructuring |
Concept (Monetary) |
For Period |
Debit |
cgg:NetProceedsFromRestructuring |
| 679 |
Net proceeds from restructuring after payment of financial restructuring fees |
Concept (Monetary) |
For Period |
Debit |
cgg:NetProceedsFromRestructuringAfterPaymentOfFinancialRestructuringFees |
| 680 |
Gain on financial restructuring |
Concept (Monetary) |
For Period |
Debit |
cgg:EffectOfChangeInProfitLossToFinancialRestructuringWithSettlementDelivery |
| 681 |
Increase in equity through issuance of new shares |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:IssueOfEquity |
| 682 |
Equity impact on financial restructuring |
Concept (Monetary) |
As Of |
Credit |
cgg:EffectOfChangeInEquityToFinancialRestructuringWithSettlementDelivery |
| 683 |
Professional fees |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ProfessionalFeesExpense |
| 684 |
Acceleration of amortization of historical issuing fees |
Concept (Monetary) |
For Period |
Debit |
cgg:AcceleratedDepreciationAndAmortisation |
| 685 |
Net proceeds of the issuance amount |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ProceedsFromIssuingShares |
| 686 |
Expenses related to share issue |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ShareIssueRelatedCost |
| 687 |
Former shares required to get new shares |
Concept (Pure) |
As Of |
|
cgg:StockholdersEquityNoteStockSplitConversionRatio2 |
| 688 |
Price per shares of share newly issued |
Concept (Share) |
As Of |
|
cgg:PricePerSharesOfNewlyExchangedShares |
| 689 |
Ownership percentage sold |
Concept (Percent) |
For Period |
|
ifrs-full:ProportionOfOwnershipInterestInJointVenture |
| 690 |
Reduction of ownership percentage held by parent and non controlling interests |
Concept (Percent) |
For Period |
|
cgg:ReductionOfPercentageOfOwnershipHeldByParentAndNoncontrollingInterests |
| 691 |
Reduction of ownership percentage |
Concept (Percent) |
For Period |
|
cgg:ReductionOfPercentageOfOwnership |
| 692 |
Ownership percentage |
Concept (Percent) |
For Period |
|
ifrs-full:ProportionOfOwnershipInterestInAssociate |
| 693 |
1079 - Disclosure - Significant Events, Acquisition and Divestures - Summary of Consideration Received and The Carrying Value of The Assets and Liabilities (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureSignificantEventsAcquisitionAndDivesturesSummaryOfConsiderationReceivedAndTheCarryingValueOfTheAssetsAndLiabilities |
| 694 |
Implied Table |
Table |
* |
* |
implied:Table |
| 695 |
Disclosure of consideration received and carrying value of assets and liabilities contributed [Abstract] |
Abstract |
|
|
cgg:DisclosureOfConsiderationReceivedAndCarryingValueOfAssetsAndLiabilitiesContributedAbstract |
| 696 |
Fair value of our shares in Global Seismic Shipping AS |
Concept (Monetary) |
For Period |
Debit |
cgg:FairValueOfSharesReceived |
| 697 |
Total consideration received(a) |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ConsiderationPaidReceived |
| 698 |
Cash and cash equivalents |
Concept (Monetary) |
For Period |
Debit |
cgg:ContributionOfCashAndCashEquivalents |
| 699 |
Investments in companies under equity method(1) |
Concept (Monetary) |
For Period |
Debit |
cgg:ContributionOfSharesAccountedForUsingEquityMethod |
| 700 |
Property, plant and equipment, net |
Concept (Monetary) |
For Period |
Debit |
cgg:ContributionOfPropertyPlantAndEquipment |
| 701 |
Finance lease net |
Concept (Monetary) |
For Period |
Credit |
cgg:ContributionOfFinanceLeaseNet |
| 702 |
Current portion of financial debt(2) |
Concept (Monetary) |
For Period |
Credit |
cgg:ContributionOfCurrentFinancialDebt |
| 703 |
Provisions - current portion |
Concept (Monetary) |
For Period |
Credit |
cgg:ContributionOfCurrentProvisions |
| 704 |
Provisions - non-current portion |
Concept (Monetary) |
For Period |
Credit |
cgg:ContributionOfNonCurrentProvisions |
| 705 |
Other Current Liabilities |
Concept (Monetary) |
For Period |
Credit |
cgg:ContributionOfOtherCurrentLiabilities |
| 706 |
Liabilities linked to charter agreements |
Concept (Monetary) |
For Period |
Credit |
cgg:ContributionOfCharterAgreementsLiabilities |
| 707 |
Total carrying value of the contributed assets and liabilities(b) |
Concept (Monetary) |
For Period |
Debit |
cgg:ContributionOfNetAssetsLiabilities |
| 708 |
Net gain realized(c)= (a) - (b) |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:GainsLossesOnDisposalsOfInvestments |
| 709 |
Reduction of the cash burden of the charter agreement(d) |
Concept (Monetary) |
For Period |
Debit |
cgg:ReductionOfCashBurdenOfCharterAgreement |
| 710 |
Operating income |
Concept (Monetary) |
For Period |
Credit |
cgg:NetImpactInOperatingIncome |
| 711 |
Other financial income (loss) |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:OtherFinanceIncomeCost |
| 712 |
Cost of financial debt, net |
Concept (Monetary) |
For Period |
Debit |
cgg:OtherCostsRelatedToFinancialDebt |
| 713 |
Net income (loss) from consolidated companies |
Concept (Monetary) |
For Period |
Credit |
cgg:NetImpactInFinancialIncome |
| 714 |
Net income (loss) |
Concept (Monetary) |
For Period |
Credit |
cgg:NetImpactInNetIncome |
| 715 |
1080 - Disclosure - Significant Events, Acquisition and Divestures - Summary of Consideration Received and The Carrying Value of The Assets and Liabilities (Parenthetical) (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureSignificantEventsAcquisitionAndDivesturesSummaryOfConsiderationReceivedAndTheCarryingValueOfTheAssetsAndLiabilitiesParenthetical |
| 716 |
Disclosure Of Consideration Received And Carrying Value Of Assets And Liabilities [Table] |
Table |
* |
* |
cgg:DisclosureOfConsiderationReceivedAndCarryingValueOfAssetsAndLiabilitiesTable |
| 717 |
Joint ventures [Axis] |
Axis |
|
|
ifrs-full:JointVenturesAxis |
| 718 |
Entity's total for joint ventures [Member] |
Member |
|
|
ifrs-full:EntitysTotalForJointVenturesMember |
| 719 |
Oceanic Seismic Vessels AS [Member] |
Member |
|
|
cgg:OceanicSeismicVesselsASMember |
| 720 |
Eidesvik Seismic Vessels AS [Member] |
Member |
|
|
cgg:EidesvikSeismicVesselsASMember |
| 721 |
Disclosure Of Consideration Received And Carrying Value Of Assets And Liabilities [Line Items] |
LineItems |
|
|
cgg:DisclosureOfConsiderationReceivedAndCarryingValueOfAssetsAndLiabilitiesLineItems |
| 722 |
Ownership percentage in joint venture |
Concept (Percent) |
For Period |
|
ifrs-full:ProportionOfOwnershipInterestInJointVenture |
| 723 |
Net impact of the transaction in operating income |
Concept (Monetary) |
For Period |
Credit |
cgg:NetImpactInOperatingIncome |
| 724 |
Net gain realized |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:GainsLossesOnDisposalsOfInvestments |
| 725 |
Reduction of the cash burden of the charter agreement |
Concept (Monetary) |
For Period |
Debit |
cgg:ReductionOfCashBurdenOfCharterAgreement |
| 726 |
Net impact of the transaction in financial income (loss) |
Concept (Monetary) |
For Period |
Credit |
cgg:NetImpactInFinancialIncome |
| 727 |
Other financial income (loss) |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:OtherFinanceIncomeCost |
| 728 |
Cost of financial debt, net |
Concept (Monetary) |
For Period |
Debit |
cgg:OtherCostsRelatedToFinancialDebt |
| 729 |
1081 - Disclosure - Significant Events, Acquisition and Divestures - Summary of Issuance of New Shares (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureSignificantEventsAcquisitionAndDivesturesSummaryOfIssuanceOfNewShares |
| 730 |
Disclosure of classes of share capital [Table] |
Table |
* |
* |
ifrs-full:DisclosureOfClassesOfShareCapitalTable |
| 731 |
Types of share-based payment arrangements [Axis] |
Axis |
|
|
ifrs-full:TypesOfSharebasedPaymentArrangementsAxis |
| 732 |
Share-based payment arrangements [Member] |
Member |
|
|
ifrs-full:SharebasedPaymentArrangementsMember |
| 733 |
Warrants 1 [member] |
Member |
|
|
cgg:Warrants1Member |
| 734 |
Warrants 2 [member] |
Member |
|
|
cgg:Warrants2Member |
| 735 |
Warrants 3 [member] |
Member |
|
|
cgg:Warrants3Member |
| 736 |
Coordination Warrants [member] |
Member |
|
|
cgg:CoordinationWarrantsMember |
| 737 |
Backstop Warrants [member] |
Member |
|
|
cgg:BackstopWarrantsMember |
| 738 |
Non-adjusting events after reporting period [Axis] |
Axis |
|
|
ifrs-full:NonadjustingEventsAfterReportingPeriodAxis |
| 739 |
Non-adjusting events after reporting period [Member] |
Member |
|
|
ifrs-full:NonadjustingEventsMember |
| 740 |
Announcing or Commencing Implementation of Major Restructuring [Member] |
Member |
|
|
ifrs-full:AnnouncingOrCommencingImplementationOfMajorRestructuringMember |
| 741 |
Disclosure of classes of share capital [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfClassesOfShareCapitalLineItems |
| 742 |
Number of warrants issued |
Concept (Decimal) |
For Period |
|
ifrs-full:NumberOfInstrumentsOtherEquityInstrumentsGranted |
| 743 |
Exercise ratio |
Concept (Text/String) |
For Period |
|
cgg:ExerciseRatioDescription |
| 744 |
Exercise price |
Concept (Monetary) |
For Period |
|
ifrs-full:ExercisePriceShareOptionsGranted |
| 745 |
Maximum number of shares to be issued upon exercise of the warrants (subject to adjustments) |
Concept (Decimal) |
For Period |
|
ifrs-full:NumberOfShareOptionsGrantedInSharebasedPaymentArrangement |
| 746 |
Expiry date of the warrants |
Concept (Text/String) |
For Period |
|
cgg:ExpiryDateOfWarrants |
| 747 |
1082 - Disclosure - Significant Events, Acquisition and Divestures - Summary of Financial Restructuring, Cash and Cash Equivalents (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureSignificantEventsAcquisitionAndDivesturesSummaryOfFinancialRestructuringCashAndCashEquivalents |
| 748 |
Disclosure Of Cash And Cash Equivalents [Table] |
Table |
* |
* |
cgg:DisclosureOfCashAndCashEquivalentsTable |
| 749 |
Currency [Axis] |
Axis |
|
|
cgg:CurrencyAxis |
| 750 |
Currency [Domain] |
Member |
|
|
cgg:CurrencyDomain |
| 751 |
EUR [member] |
Member |
|
|
currency:EUR |
| 752 |
Other currencies [member] |
Member |
|
|
cgg:OtherCurrenciesMember |
| 753 |
Disclosure of cash and cash equivalents [line items] |
LineItems |
|
|
cgg:DisclosureOfCashAndCashEquivalentsLineItems |
| 754 |
Cash and cash equivalent |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CashAndCashEquivalents |
| 755 |
1083 - Disclosure - Significant Events, Acquisition and Divestures - Summary of Financial Restructuring, Net Proceeds from Restructuring (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureSignificantEventsAcquisitionAndDivesturesSummaryOfFinancialRestructuringNetProceedsFromRestructuring |
| 756 |
Summary of financial restructuring, cash and cash equivalents [Table] |
Table |
* |
* |
cgg:SummaryOfFinancialRestructuringCashAndCashEquivalentsTable |
| 757 |
Currency [Axis] |
Axis |
|
|
cgg:CurrencyAxis |
| 758 |
Currency [Domain] |
Member |
|
|
cgg:CurrencyDomain |
| 759 |
EUR [member] |
Member |
|
|
currency:EUR |
| 760 |
US$ [member] |
Member |
|
|
currency:USD |
| 761 |
Non-adjusting events after reporting period [Axis] |
Axis |
|
|
ifrs-full:NonadjustingEventsAfterReportingPeriodAxis |
| 762 |
Non-adjusting events after reporting period [Member] |
Member |
|
|
ifrs-full:NonadjustingEventsMember |
| 763 |
Announcing or Commencing Implementation of Major Restructuring [Member] |
Member |
|
|
ifrs-full:AnnouncingOrCommencingImplementationOfMajorRestructuringMember |
| 764 |
Borrowings by name [Axis] |
Axis |
|
|
ifrs-full:BorrowingsByNameAxis |
| 765 |
Borrowings by name [Member] |
Member |
|
|
ifrs-full:BorrowingsByNameMember |
| 766 |
Second lien secured senior notes due 2024 [member] |
Member |
|
|
cgg:SecondLienSecuredSeniorNotesDue2024Member |
| 767 |
First lien secured senior notes due 2023 [member] |
Member |
|
|
cgg:FirstLienSecuredSeniorNotesDue2023Member |
| 768 |
Convertible Bonds [Member] |
Member |
|
|
cgg:ConvertibleBondsMember |
| 769 |
Classes of ordinary shares [Axis] |
Axis |
|
|
ifrs-full:ClassesOfOrdinarySharesAxis |
| 770 |
Ordinary Shares [Member] |
Member |
|
|
ifrs-full:OrdinarySharesMember |
| 771 |
New Ordinary Shares [Member] |
Member |
|
|
cgg:NewOrdinarySharesMember |
| 772 |
Summary of financial restructuring, cash and cash equivalents [line items] |
LineItems |
|
|
cgg:SummaryOfFinancialRestructuringCashAndCashEquivalentsLineItems |
| 773 |
Rights issue with preferential subscription rights net proceeds |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ProceedsFromIssuingShares |
| 774 |
Second lien secured senior notes due 2024 net proceeds |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ProceedsFromNoncurrentBorrowings |
| 775 |
First lien secured senior notes due 2023 repayment |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:RepaymentsOfNoncurrentBorrowings |
| 776 |
Convertible Bonds interests payment |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:InterestExpenseOnBorrowings |
| 777 |
Net proceeds from restructuring |
Concept (Monetary) |
For Period |
Debit |
cgg:NetProceedsFromRestructuring |
| 778 |
Financial restructuring fees payment |
Concept (Monetary) |
For Period |
Credit |
cgg:FinancialRestructuringFeesPayment |
| 779 |
Net proceeds |
Concept (Monetary) |
For Period |
Debit |
cgg:NetProceedsFromRestructuringAfterPaymentOfFinancialRestructuringFees |
| 780 |
1084 - Disclosure - Significant Events, Acquisition and Divestures - Summary of Financial Restructuring, Financial Debt (Gross) Level (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureSignificantEventsAcquisitionAndDivesturesSummaryOfFinancialRestructuringFinancialDebtGrossLevel |
| 781 |
Disclosure of detailed information about borrowings [Table] |
Table |
* |
* |
ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable |
| 782 |
Non-adjusting events after reporting period [Axis] |
Axis |
|
|
ifrs-full:NonadjustingEventsAfterReportingPeriodAxis |
| 783 |
Non-adjusting events after reporting period [Member] |
Member |
|
|
ifrs-full:NonadjustingEventsMember |
| 784 |
Announcing or Commencing Implementation of Major Restructuring [Member] |
Member |
|
|
ifrs-full:AnnouncingOrCommencingImplementationOfMajorRestructuringMember |
| 785 |
Currency [Axis] |
Axis |
|
|
cgg:CurrencyAxis |
| 786 |
Currency [Domain] |
Member |
|
|
cgg:CurrencyDomain |
| 787 |
EUR [member] |
Member |
|
|
currency:EUR |
| 788 |
US$ [member] |
Member |
|
|
currency:USD |
| 789 |
Disclosure of detailed information about borrowings [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems |
| 790 |
Financial debt (gross) as of December 31, 2017 |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:Borrowings |
| 791 |
Equitization of the Convertible Bonds and Senior Notes |
Concept (Monetary) |
For Period |
Debit |
cgg:ChangesInGrossDebtEquitizationOfConvertibleBondsAndSeniorNotes |
| 792 |
Senior secured debt replacement |
Concept (Monetary) |
For Period |
Debit |
cgg:ChangesInGrossDebtSeniorSecuredDebtReplacement |
| 793 |
Second lien secured senior notes due 2024 |
Concept (Monetary) |
For Period |
Credit |
cgg:ChangesInGrossDebtSecondLienSecuredSeniorNotes |
| 794 |
First lien secured senior notes due 2023 |
Concept (Monetary) |
For Period |
Credit |
cgg:ChangesInGrossDebtFirstLienSecuredSeniorNotes |
| 795 |
First lien secured senior notes due 2023 rollover fee |
Concept (Monetary) |
For Period |
Credit |
cgg:ChangesInGrossDebtFirstLienSecuredSeniorNotesRolloverFee |
| 796 |
Term out debt |
Concept (Monetary) |
For Period |
Credit |
cgg:ChangeInGrossDebtLevelTermOutDebt |
| 797 |
Total changes in gross financial debt |
Concept (Monetary) |
For Period |
Debit |
cgg:ChangeInGrossDebtLevel |
| 798 |
Financial debt (gross) as of February 21, 2018 |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:Borrowings |
| 799 |
1085 - Disclosure - Significant Events, Acquisition and Divestures - Summary of Financial Restructuring, Financial Debt (Gross) Level (Parenthetical) (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureSignificantEventsAcquisitionAndDivesturesSummaryOfFinancialRestructuringFinancialDebtGrossLevelParenthetical |
| 800 |
Implied Table |
Table |
* |
* |
implied:Table |
| 801 |
Disclosure of detailed information about borrowings [Abstract] |
Abstract |
|
|
ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsAbstract |
| 802 |
Exchange rate |
Concept (Decimal) |
As Of |
|
ifrs-full:ClosingForeignExchangeRate |
| 803 |
Aggregate outstanding principal amount of notes |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:Borrowings |
| 804 |
1086 - Disclosure - Trade Accounts and Notes Receivable - Summary of Trade Accounts and Notes Receivables by Maturity (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureTradeAccountsAndNotesReceivableSummaryOfTradeAccountsAndNotesReceivablesByMaturity |
| 805 |
Disclosure Of Trade Accounts And Notes Receivables [Table] |
Table |
* |
* |
cgg:DisclosureOfTradeAccountsAndNotesReceivablesTable |
| 806 |
Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [Axis] |
Axis |
|
|
ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis |
| 807 |
Carrying Amount [Member] |
Member |
|
|
ifrs-full:CarryingAmountMember |
| 808 |
Gross [member] |
Member |
|
|
ifrs-full:GrossCarryingAmountMember |
| 809 |
Allowance for doubtful accounts [member] |
Member |
|
|
ifrs-full:AccumulatedImpairmentMember |
| 810 |
Disclosure Of Trade Accounts And Notes Receivable [Line Items] |
LineItems |
|
|
cgg:DisclosureOfTradeAccountsAndNotesReceivableLineItems |
| 811 |
Trade accounts and notes receivables net - current portion |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:TradeAndOtherCurrentReceivables |
| 812 |
Trade accounts and notes receivables net - non-current portion |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:NoncurrentReceivables |
| 813 |
Recoverable costs and accrued profit, not billed |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:NoncurrentAccruedIncome |
| 814 |
Total accounts and notes receivables |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:TradeAndOtherReceivables |
| 815 |
1087 - Disclosure - Trade Accounts and Notes Receivable - Summary of Ageing Analysis of Net Trade Accounts and Notes Receivables (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureTradeAccountsAndNotesReceivableSummaryOfAgeingAnalysisOfNetTradeAccountsAndNotesReceivables |
| 816 |
Disclosure of Trade and Other Receivables [Table] |
Table |
* |
* |
cgg:DisclosureOfTradeAndOtherReceivablesTable |
| 817 |
Past due status [Axis] |
Axis |
|
|
ifrs-full:PastDueStatusAxis |
| 818 |
Past due status [Member] |
Member |
|
|
ifrs-full:PastDueStatusMember |
| 819 |
Not Past Due [Member] |
Member |
|
|
ifrs-full:CurrentMember |
| 820 |
30 Days [member] |
Member |
|
|
ifrs-full:NotLaterThanOneMonthMember |
| 821 |
30 - 60 Days [member] |
Member |
|
|
ifrs-full:LaterThanOneMonthAndNotLaterThanTwoMonthsMember |
| 822 |
60 - 90 Days [member] |
Member |
|
|
ifrs-full:LaterThanTwoMonthsAndNotLaterThanThreeMonthsMember |
| 823 |
90 - 120 Days [member] |
Member |
|
|
ifrs-full:LaterThanThreeMonthsAndNotLaterThanFourMonthsMember |
| 824 |
> 120 Days [member] |
Member |
|
|
ifrs-full:LaterThanFourMonthsMember |
| 825 |
Disclosure of Trade and Other Receivables [line items] |
LineItems |
|
|
cgg:DisclosureOfTradeAndOtherReceivablesLineItems |
| 826 |
Trade receivables |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:TradeReceivables |
| 827 |
1088 - Disclosure - Trade Accounts and Notes Receivable - Additional Information (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureTradeAccountsAndNotesReceivableAdditionalInformation |
| 828 |
Disclosure Of Trade Accounts And Notes Receivables [Table] |
Table |
* |
* |
cgg:DisclosureOfTradeAccountsAndNotesReceivablesTable |
| 829 |
Continuing involvement in derecognised financial assets by type of transfer [Axis] |
Axis |
|
|
ifrs-full:ContinuingInvolvementInDerecognisedFinancialAssetsByTypeOfTransferAxis |
| 830 |
Types of transfer [Member] |
Member |
|
|
ifrs-full:TypesOfTransferMember |
| 831 |
Factoring of Receivables [Member] |
Member |
|
|
ifrs-full:FactoringOfReceivablesMember |
| 832 |
Disclosure Of Trade Accounts And Notes Receivable [Line Items] |
LineItems |
|
|
cgg:DisclosureOfTradeAccountsAndNotesReceivableLineItems |
| 833 |
Current liabilities associated to funded receivables |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:AssociatedLiabilitiesThatEntityContinuesToRecogniseToExtentOfContinuingInvolvement |
| 834 |
Notes receivable transferred |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:OriginalAssetsBeforeTransfer |
| 835 |
Notes receivable retained |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:AssetsThatEntityContinuesToRecogniseToExtentOfContinuingInvolvement |
| 836 |
1089 - Disclosure - Inventories and Work in Progress - Summary of Inventories and Work in Progress (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureInventoriesAndWorkInProgressSummaryOfInventoriesAndWorkInProgress |
| 837 |
Disclosure of inventories [table] |
Table |
* |
* |
cgg:DisclosureOfInventoriesTable |
| 838 |
Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [Axis] |
Axis |
|
|
ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis |
| 839 |
Carrying Amount [Member] |
Member |
|
|
ifrs-full:CarryingAmountMember |
| 840 |
Gross [member] |
Member |
|
|
ifrs-full:GrossCarryingAmountMember |
| 841 |
Allowance for doubtful accounts [member] |
Member |
|
|
ifrs-full:AccumulatedImpairmentMember |
| 842 |
Disclosure of inventories [line items] |
LineItems |
|
|
cgg:DisclosureOfInventoriesLineItems |
| 843 |
Consumables and spares parts |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:SpareParts |
| 844 |
Raw materials and sub-assemblies |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CurrentRawMaterialsAndCurrentProductionSupplies |
| 845 |
Work in progress |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:WorkInProgress |
| 846 |
Finished goods |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:FinishedGoods |
| 847 |
Inventories and work in progress |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:InventoriesTotal |
| 848 |
1090 - Disclosure - Inventories and Work in Progress - Summary of Variation of Inventories (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureInventoriesAndWorkInProgressSummaryOfVariationOfInventories |
| 849 |
Implied Table |
Table |
* |
* |
implied:Table |
| 850 |
Reconciliation Of Changes In Inventory [Abstract] |
Abstract |
|
|
cgg:ReconciliationOfChangesInInventoryAbstract |
| 851 |
Balance at beginning of period |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:InventoriesTotal |
| 852 |
Variations |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ChangesInInventoriesOfFinishedGoodsAndWorkInProgress |
| 853 |
Movements in valuation allowance |
Concept (Monetary) |
For Period |
Credit |
cgg:IncreaseDecreaseInValuationAllowance |
| 854 |
Change in exchange rates |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:IncreaseDecreaseThroughForeignExchangeFinancialAssets |
| 855 |
Change in consolidation scope |
Concept (Monetary) |
For Period |
Debit |
cgg:IncreaseDecreaseInConsolidationScope |
| 856 |
Others |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:IncreaseDecreaseThroughOtherMovementsFinancialAssets |
| 857 |
Balance at end of period |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:InventoriesTotal |
| 858 |
1091 - Disclosure - Other Current Assets and Assets Held for Sale - Summary of Other Current Assets (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureOtherCurrentAssetsAndAssetsHeldForSaleSummaryOfOtherCurrentAssets |
| 859 |
Implied Table |
Table |
* |
* |
implied:Table |
| 860 |
Other Current Assets [abstract] |
Abstract |
|
|
cgg:OtherCurrentAssetsAbstract |
| 861 |
Personnel and other tax assets |
Concept (Monetary) |
As Of |
Debit |
cgg:PersonnelAndOtherTaxAssets |
| 862 |
Fair value of financial instruments |
Concept (Monetary) |
As Of |
Debit |
cgg:FairValueOfFinancialAssetsClassifiedAsCurrent |
| 863 |
Restricted cash |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:RestrictedCashAndCashEquivalents |
| 864 |
Other miscellaneous receivables |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:OtherCurrentReceivables |
| 865 |
Supplier prepayments |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CurrentAdvancesToSuppliers |
| 866 |
Prepaid expenses |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CurrentPrepaidExpenses |
| 867 |
Other current assets |
Concept (Monetary) |
As Of |
Debit |
cgg:OtherCurrentAssetsNet |
| 868 |
1092 - Disclosure - Other current assets and assets held for sale - Summary of assets held for sale (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureOtherCurrentAssetsAndAssetsHeldForSaleSummaryOfAssetsHeldForSale |
| 869 |
Noncurrent Assets Or Disposal Groups Classified As Held For Sale Or As Held For Distribution To Owners [Table] |
Table |
* |
* |
cgg:NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwnersTable |
| 870 |
Classes of property, plant and equipment [Axis] |
Axis |
|
|
ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis |
| 871 |
Property, Plant and Equipment [Member] |
Member |
|
|
ifrs-full:PropertyPlantAndEquipmentMember |
| 872 |
Massy headquarters land [member] |
Member |
|
|
cgg:MassyHeadquartersLandMember |
| 873 |
Seismic Vessels [Member] |
Member |
|
|
ifrs-full:ShipsMember |
| 874 |
Equipment and others [member] |
Member |
|
|
cgg:EquipmentAndOthersMember |
| 875 |
Noncurrent Assets Or Disposal Groups Classified As Held For Sale Or As Held For Distribution To Owners [Line items] |
LineItems |
|
|
cgg:NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwnersLineItems |
| 876 |
Assets held for sale |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSale |
| 877 |
1093 - Disclosure - Other Current Assets and Assets Held for Sale - Additional Information (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureOtherCurrentAssetsAndAssetsHeldForSaleAdditionalInformation |
| 878 |
Assets Held For Sale [Table] |
Table |
* |
* |
cgg:AssetsHeldForSaleTable |
| 879 |
Assets and liabilities classified as held for sale [Axis] |
Axis |
|
|
ifrs-full:AssetsAndLiabilitiesClassifiedAsHeldForSaleAxis |
| 880 |
Assets and liabilities not classified as held for sale [Member] |
Member |
|
|
ifrs-full:AssetsAndLiabilitiesNotClassifiedAsHeldForSaleMember |
| 881 |
Non-Current Assets Held for Sale [Member] |
Member |
|
|
ifrs-full:NoncurrentAssetsHeldForSaleMember |
| 882 |
Classes of property, plant and equipment [Axis] |
Axis |
|
|
ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis |
| 883 |
Property, Plant and Equipment [Member] |
Member |
|
|
ifrs-full:PropertyPlantAndEquipmentMember |
| 884 |
Seismic Vessels [Member] |
Member |
|
|
ifrs-full:ShipsMember |
| 885 |
Assets Held For Sale [Line Items] |
LineItems |
|
|
cgg:AssetsHeldForSaleLineItems |
| 886 |
Impairment on a seismic vessel |
Concept (Monetary) |
For Period |
|
ifrs-full:ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment |
| 887 |
Number of seismic vessels classified as assets held for sale |
Concept (Decimal) |
For Period |
|
cgg:NumberOfSeismicVesselsClassifiedAsAssetsHeldForSale |
| 888 |
Number of seismic vessels classified as assets held for sale, sold |
Concept (Decimal) |
For Period |
|
cgg:NumberOfSeismicVesselsClassifiedAsAssetsHeldForSaleSold |
| 889 |
1094 - Disclosure - Asset Valuation Allowance - Summary of Asset Valuation Allowance (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureAssetValuationAllowanceSummaryOfAssetValuationAllowance |
| 890 |
Disclosure of detailed information about asset valuation allowance [table] |
Table |
* |
* |
cgg:DisclosureOfDetailedInformationAboutAssetValuationAllowanceTable |
| 891 |
Classes of financial assets [Axis] |
Axis |
|
|
ifrs-full:ClassesOfFinancialAssetsAxis |
| 892 |
Financial assets, class [Member] |
Member |
|
|
ifrs-full:FinancialAssetsMember |
| 893 |
Trade accounts and notes receivables [member] |
Member |
|
|
ifrs-full:TradeReceivablesMember |
| 894 |
Inventories and work-in-progress [member] |
Member |
|
|
cgg:InventoriesAndWorkinprogressMember |
| 895 |
Tax assets [member] |
Member |
|
|
cgg:TaxAssetsMember |
| 896 |
Other current assets [member] |
Member |
|
|
cgg:OtherCurrentAssetsMember |
| 897 |
Disclosure of detailed information about asset valuation allowance [line items] |
LineItems |
|
|
cgg:DisclosureOfDetailedInformationAboutAssetValuationAllowanceLineItems |
| 898 |
Balance at beginning of year |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:AllowanceAccountForCreditLossesOfFinancialAssets |
| 899 |
Additions |
Concept (Monetary) |
For Period |
|
ifrs-full:AdditionalAllowanceRecognisedInProfitOrLossAllowanceAccountForCreditLossesOfFinancialAssets |
| 900 |
Deductions |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:UtilisationAllowanceAccountForCreditLossesOfFinancialAssets |
| 901 |
Unused deductions |
Concept (Monetary) |
For Period |
|
ifrs-full:ReversalAllowanceAccountForCreditLossesOfFinancialAssets |
| 902 |
Others |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:IncreaseDecreaseThroughOtherChangesAllowanceAccountForCreditLossesOfFinancialAssets |
| 903 |
Balance at end of period |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:AllowanceAccountForCreditLossesOfFinancialAssets |
| 904 |
1095 - Disclosure - Investments and Other Financial Assets - Summary of Investments and Other Financial Assets (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureInvestmentsAndOtherFinancialAssetsSummaryOfInvestmentsAndOtherFinancialAssets |
| 905 |
Implied Table |
Table |
* |
* |
implied:Table |
| 906 |
Investments and other financial assets [abstract] |
Abstract |
|
|
cgg:InvestmentsAndOtherFinancialAssetsAbstract |
| 907 |
Non-consolidated investments |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:InvestmentsOtherThanInvestmentsAccountedForUsingEquityMethod |
| 908 |
Loans and advances |
Concept (Monetary) |
As Of |
Debit |
cgg:LoansAndAdvances |
| 909 |
Deposits and other |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:LongtermDeposits |
| 910 |
Total |
Concept (Monetary) |
As Of |
Debit |
cgg:InvestmentsAndOtherFinancialAssetsNet |
| 911 |
1096 - Disclosure - Investments and Other Financial Assets - Additional Information (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureInvestmentsAndOtherFinancialAssetsAdditionalInformation |
| 912 |
Investments and other financial assets [table] |
Table |
* |
* |
cgg:InvestmentsAndOtherFinancialAssetsTable |
| 913 |
Unconsolidated structured entities [Axis] |
Axis |
|
|
ifrs-full:UnconsolidatedStructuredEntitiesAxis |
| 914 |
Entity's total for unconsolidated structured entities [Member] |
Member |
|
|
ifrs-full:EntitysTotalForUnconsolidatedStructuredEntitiesMember |
| 915 |
Geokinetics Inc [Member] |
Member |
|
|
cgg:GeokineticsIncMember |
| 916 |
Tronic's Microsystems SA [Member] |
Member |
|
|
cgg:TronicsMicrosystemsSAMember |
| 917 |
Joint ventures [Axis] |
Axis |
|
|
ifrs-full:JointVenturesAxis |
| 918 |
Entity's total for joint ventures [Member] |
Member |
|
|
ifrs-full:EntitysTotalForJointVenturesMember |
| 919 |
Global Seismic Shipping AS [Member] |
Member |
|
|
cgg:GlobalSeismicShippingASMember |
| 920 |
PTSC CGGV Geophysical Survey Limited [Member] |
Member |
|
|
cgg:PTSCCGGVGeophysicalSurveyLimitedMember |
| 921 |
Associates [Axis] |
Axis |
|
|
ifrs-full:SignificantInvestmentsInAssociatesAxis |
| 922 |
Entity's total for associates [Member] |
Member |
|
|
ifrs-full:EntitysTotalForAssociatesMember |
| 923 |
Seabed Geosolutions BV [Member] |
Member |
|
|
cgg:SeabedGeosolutionsBVMember |
| 924 |
Investments And Other Financial Assets [Line items] |
LineItems |
|
|
cgg:InvestmentsAndOtherFinancialAssetsLineItems |
| 925 |
Other financial assets to collateral requirements |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:OtherFinancialAssets |
| 926 |
Depreciation of financial stake |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ImpairmentLossOnFinancialAssets |
| 927 |
Percentage of remaining financial stake sold |
Concept (Percent) |
For Period |
|
cgg:ProportionOfOwnershipInterestInUnconsolidatedEntities |
| 928 |
Loans granted to other companies |
Concept (Monetary) |
As Of |
Debit |
cgg:LoansAndAdvances |
| 929 |
Capital increase through conversion of part of the existing loan |
Concept (Monetary) |
For Period |
Debit |
cgg:IncreaseDecreaseInInvestments |
| 930 |
Portion of loan repaid |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:CashReceiptsFromRepaymentOfAdvancesAndLoansMadeToRelatedParties |
| 931 |
1097 - Disclosure - Investments and other financial assets - Summary of non-consolidated investments (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureInvestmentsAndOtherFinancialAssetsSummaryOfNonconsolidatedInvestments |
| 932 |
Disclosure of unconsolidated structured entities [Table] |
Table |
* |
* |
ifrs-full:DisclosureOfUnconsolidatedStructuredEntitiesTable |
| 933 |
Unconsolidated structured entities [Axis] |
Axis |
|
|
ifrs-full:UnconsolidatedStructuredEntitiesAxis |
| 934 |
Entity's total for unconsolidated structured entities [Member] |
Member |
|
|
ifrs-full:EntitysTotalForUnconsolidatedStructuredEntitiesMember |
| 935 |
Tronic's Microsystems SA [Member] |
Member |
|
|
cgg:TronicsMicrosystemsSAMember |
| 936 |
Geokinetics Inc [Member] |
Member |
|
|
cgg:GeokineticsIncMember |
| 937 |
Other investments in non-consolidated companies [member] |
Member |
|
|
cgg:OtherInvestmentsInNonconsolidatedCompaniesMember |
| 938 |
Disclosure of unconsolidated structured entities [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfUnconsolidatedStructuredEntitiesLineItems |
| 939 |
Country |
Concept (Text/String) |
For Period |
|
ifrs-full:CountryOfIncorporation |
| 940 |
% of interests |
Concept (Percent) |
For Period |
|
cgg:ProportionOfOwnershipInterestInUnconsolidatedEntities |
| 941 |
Non-consolidated investments |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:InvestmentsOtherThanInvestmentsAccountedForUsingEquityMethod |
| 942 |
1098 - Disclosure - Investments in Companies Under Equity Method - Summary of Investments in Companies Under the Equity Method (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureInvestmentsInCompaniesUnderEquityMethodSummaryOfInvestmentsInCompaniesUnderTheEquityMethod |
| 943 |
Disclosure Of Joint Ventures And Associates [Table] |
Table |
* |
* |
cgg:DisclosureOfJointVenturesAndAssociatesTable |
| 944 |
Associates [Axis] |
Axis |
|
|
ifrs-full:SignificantInvestmentsInAssociatesAxis |
| 945 |
Entity's total for associates [Member] |
Member |
|
|
ifrs-full:EntitysTotalForAssociatesMember |
| 946 |
Argas [member] |
Member |
|
|
cgg:ArgasMember |
| 947 |
Seabed Geosolutions BV [Member] |
Member |
|
|
cgg:SeabedGeosolutionsBVMember |
| 948 |
Joint ventures [Axis] |
Axis |
|
|
ifrs-full:JointVenturesAxis |
| 949 |
Entity's total for joint ventures [Member] |
Member |
|
|
ifrs-full:EntitysTotalForJointVenturesMember |
| 950 |
CGG Eidesvik Ship Management AS [member] |
Member |
|
|
cgg:CGGEidesvikShipManagementASMember |
| 951 |
Eidesvik Seismic Vessels AS [Member] |
Member |
|
|
cgg:EidesvikSeismicVesselsASMember |
| 952 |
Gardline CGG Pte Ltd [Member] |
Member |
|
|
cgg:GardlineCggPteLtdMember |
| 953 |
Geo Ship Management Services SAS [member] |
Member |
|
|
cgg:GeoShipManagementServicesSASMember |
| 954 |
Oceanic Seismic Vessels AS [Member] |
Member |
|
|
cgg:OceanicSeismicVesselsASMember |
| 955 |
PT Elnusa-CGGVeritas Seismic [Member] |
Member |
|
|
cgg:PTElnusa-CGGVeritasSeismicMember |
| 956 |
PTSC CGGV Geophysical Survey Limited [Member] |
Member |
|
|
cgg:PTSCCGGVGeophysicalSurveyLimitedMember |
| 957 |
Veri-Illuq Geophysical Ltd. [member] |
Member |
|
|
cgg:Veri-IlluqGeophysicalLtdMember |
| 958 |
Yamoria Geophysical Ltd. [member] |
Member |
|
|
cgg:YamoriaGeophysicalLtdMember |
| 959 |
Petroleum Edge Limited [member] |
Member |
|
|
cgg:PetroleumEdgeLimitedMember |
| 960 |
Reservoir Evaluation Services LLP. [member] |
Member |
|
|
cgg:ReservoirEvaluationServicesLlpMember |
| 961 |
Global Seismic Shipping AS [Member] |
Member |
|
|
cgg:GlobalSeismicShippingASMember |
| 962 |
Disclosure Of Joint Ventures And Associates [Line Items] |
LineItems |
|
|
cgg:DisclosureOfJointVenturesAndAssociatesLineItems |
| 963 |
Investment accounted for using equity method |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:InvestmentAccountedForUsingEquityMethod |
| 964 |
Country / Head office |
Concept (Text/String) |
For Period |
|
ifrs-full:CountryOfIncorporationOfJointVenture |
| 965 |
% of interests |
Concept (Percent) |
For Period |
|
ifrs-full:ProportionOfOwnershipInterestInJointVenture |
| 966 |
Country / Head office |
Concept (Text/String) |
For Period |
|
ifrs-full:CountryOfIncorporationOrResidenceOfAssociate |
| 967 |
% of interests |
Concept (Percent) |
For Period |
|
ifrs-full:ProportionOfOwnershipInterestInAssociate |
| 968 |
1099 - Disclosure - Investments in Companies Under Equity Method - Summary of Investments in Companies Under the Equity Method (Parenthetical) (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureInvestmentsInCompaniesUnderEquityMethodSummaryOfInvestmentsInCompaniesUnderTheEquityMethodParenthetical |
| 969 |
Disclosure Of Joint Ventures And Associates [Table] |
Table |
* |
* |
cgg:DisclosureOfJointVenturesAndAssociatesTable |
| 970 |
Joint ventures [Axis] |
Axis |
|
|
ifrs-full:JointVenturesAxis |
| 971 |
Entity's total for joint ventures [Member] |
Member |
|
|
ifrs-full:EntitysTotalForJointVenturesMember |
| 972 |
Gardline CGG Pte Ltd [Member] |
Member |
|
|
cgg:GardlineCggPteLtdMember |
| 973 |
Geo Ship Management Services SAS [member] |
Member |
|
|
cgg:GeoShipManagementServicesSASMember |
| 974 |
Reservoir Evaluation Services LLP. [member] |
Member |
|
|
cgg:ReservoirEvaluationServicesLlpMember |
| 975 |
Global Seismic Shipping AS [Member] |
Member |
|
|
cgg:GlobalSeismicShippingASMember |
| 976 |
Disclosure Of Joint Ventures And Associates [Line Items] |
LineItems |
|
|
cgg:DisclosureOfJointVenturesAndAssociatesLineItems |
| 977 |
Ownership percentage in joint venture |
Concept (Percent) |
For Period |
|
cgg:HistoricalPercentageOfOwnershipInterestInJointVenture |
| 978 |
Percentage of ownership |
Concept (Percent) |
For Period |
|
ifrs-full:ProportionOfOwnershipInterestInJointVenture |
| 979 |
Additional stake percentage |
Concept (Percent) |
For Period |
|
cgg:AdditionalStakePercentage |
| 980 |
1100 - Disclosure - Investments in Companies Under Equity Method - Summary of Variations of Investments in Companies Under Equity Method (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureInvestmentsInCompaniesUnderEquityMethodSummaryOfVariationsOfInvestmentsInCompaniesUnderEquityMethod |
| 981 |
Implied Table |
Table |
* |
* |
implied:Table |
| 982 |
Disclosure of Information about Associates and Joint Ventures [Abstract] |
Abstract |
|
|
cgg:DisclosureOfInformationAboutAssociatesAndJointVenturesAbstract |
| 983 |
Balance at beginning of period |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:InvestmentAccountedForUsingEquityMethod |
| 984 |
Change in consolidation scope |
Concept (Monetary) |
For Period |
Debit |
cgg:IncreaseDecreaseThroughChangeInConsolidationScopeEquity |
| 985 |
Investments made during the year |
Concept (Monetary) |
For Period |
Debit |
cgg:IncreaseDecreaseInInvestments |
| 986 |
Equity in income |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod |
| 987 |
Dividends received during the period, reduction in share capital |
Concept (Monetary) |
For Period |
Credit |
cgg:DividendsReceivedFromInvestmentsAccountedForUsingEquityMethod |
| 988 |
Change in exchange rate and other |
Concept (Monetary) |
For Period |
Debit |
cgg:ChangeInExchangeRateAndOther |
| 989 |
Balance at end of period |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:InvestmentAccountedForUsingEquityMethod |
| 990 |
1101 - Disclosure - Investments in Companies Under Equity Method - Additional Information (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureInvestmentsInCompaniesUnderEquityMethodAdditionalInformation |
| 991 |
Disclosure of Investments in Associates and Joint Ventures [Table] |
Table |
* |
* |
cgg:DisclosureOfInvestmentsInAssociatesAndJointVenturesTable |
| 992 |
Joint ventures [Axis] |
Axis |
|
|
ifrs-full:JointVenturesAxis |
| 993 |
Entity's total for joint ventures [Member] |
Member |
|
|
ifrs-full:EntitysTotalForJointVenturesMember |
| 994 |
Global Seismic Shipping AS [Member] |
Member |
|
|
cgg:GlobalSeismicShippingASMember |
| 995 |
Gardline CGG Pte Ltd [Member] |
Member |
|
|
cgg:GardlineCggPteLtdMember |
| 996 |
Magnitude Microseismic LLC. [Member] |
Member |
|
|
cgg:MagnitudeMicroseismicLlcMember |
| 997 |
Associates [Axis] |
Axis |
|
|
ifrs-full:SignificantInvestmentsInAssociatesAxis |
| 998 |
Entity's total for associates [Member] |
Member |
|
|
ifrs-full:EntitysTotalForAssociatesMember |
| 999 |
Seabed Geosolutions BV [Member] |
Member |
|
|
cgg:SeabedGeosolutionsBVMember |
| 1000 |
Disclosure of Investments in Associates and Joint Ventures [Line Items] |
LineItems |
|
|
cgg:DisclosureOfInvestmentsInAssociatesAndJointVenturesLineItems |
| 1001 |
Change in consolidation scope |
Concept (Monetary) |
For Period |
Debit |
cgg:IncreaseDecreaseThroughChangeInConsolidationScopeEquity |
| 1002 |
Investments made during the year |
Concept (Monetary) |
For Period |
Debit |
cgg:IncreaseDecreaseInInvestments |
| 1003 |
Loans granted |
Concept (Monetary) |
As Of |
Debit |
cgg:LoansAndAdvances |
| 1004 |
Loans repaid |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:CashReceiptsFromRepaymentOfAdvancesAndLoansMadeToRelatedParties |
| 1005 |
1102 - Disclosure - Investments in Companies Under Equity Method - Summary of Main Contributive of Investments in Companies Under Equity Method (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureInvestmentsInCompaniesUnderEquityMethodSummaryOfMainContributiveOfInvestmentsInCompaniesUnderEquityMethod |
| 1006 |
Disclosure of associates [Table] |
Table |
* |
* |
ifrs-full:DisclosureOfSignificantInvestmentsInAssociatesTable |
| 1007 |
Associates [Axis] |
Axis |
|
|
ifrs-full:SignificantInvestmentsInAssociatesAxis |
| 1008 |
Entity's total for associates [Member] |
Member |
|
|
ifrs-full:EntitysTotalForAssociatesMember |
| 1009 |
Argas [member] |
Member |
|
|
cgg:ArgasMember |
| 1010 |
Seabed Geosolutions BV [Member] |
Member |
|
|
cgg:SeabedGeosolutionsBVMember |
| 1011 |
Joint ventures [Axis] |
Axis |
|
|
ifrs-full:JointVenturesAxis |
| 1012 |
Entity's total for joint ventures [Member] |
Member |
|
|
ifrs-full:EntitysTotalForJointVenturesMember |
| 1013 |
Global Seismic Shipping AS [Member] |
Member |
|
|
cgg:GlobalSeismicShippingASMember |
| 1014 |
Disclosure of associates [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfSignificantInvestmentsInAssociatesLineItems |
| 1015 |
Revenue |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:Revenue |
| 1016 |
Depreciation and amortization |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:DepreciationAmortisationAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss |
| 1017 |
Cost of financial debt |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:BorrowingCostsRecognisedAsExpense |
| 1018 |
Tax income (expense) |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:IncomeTaxExpenseContinuingOperations |
| 1019 |
Net income (loss) |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ProfitLoss |
| 1020 |
Cash and cash equivalents |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CashAndCashEquivalents |
| 1021 |
Current assets |
Concept (Monetary) |
As Of |
Debit |
cgg:CurrentAssetsExcludingCashAndCashEquivalents |
| 1022 |
Total non-current assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:NoncurrentAssets |
| 1023 |
Current financial liabilities |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:CurrentFinancialLiabilities |
| 1024 |
Current liabilities |
Concept (Monetary) |
As Of |
Credit |
cgg:CurrentLiabilitiesExcludingCurrentFinancialLiabilities |
| 1025 |
Non-current financial liabilities |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:NoncurrentFinancialLiabilities |
| 1026 |
Non-current liabilities |
Concept (Monetary) |
As Of |
Credit |
cgg:NoncurrentLiabilitiesExcludingNoncurrentFinancialLiabilities |
| 1027 |
Equity |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:Equity |
| 1028 |
Dividends paid to CGG |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:DividendsPaid |
| 1029 |
1103 - Disclosure - Investments in Companies Under Equity Method - Schedule of Reconciliation of Carrying Amount of Main Contributive and Share of Income (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureInvestmentsInCompaniesUnderEquityMethodScheduleOfReconciliationOfCarryingAmountOfMainContributiveAndShareOfIncome |
| 1030 |
Associates and Joint Ventures [Table] |
Table |
* |
* |
cgg:AssociatesAndJointVenturesTable |
| 1031 |
Associates [Axis] |
Axis |
|
|
ifrs-full:SignificantInvestmentsInAssociatesAxis |
| 1032 |
Entity's total for associates [Member] |
Member |
|
|
ifrs-full:EntitysTotalForAssociatesMember |
| 1033 |
Argas [member] |
Member |
|
|
cgg:ArgasMember |
| 1034 |
Seabed Geosolutions BV [Member] |
Member |
|
|
cgg:SeabedGeosolutionsBVMember |
| 1035 |
Joint ventures [Axis] |
Axis |
|
|
ifrs-full:JointVenturesAxis |
| 1036 |
Entity's total for joint ventures [Member] |
Member |
|
|
ifrs-full:EntitysTotalForJointVenturesMember |
| 1037 |
Global Seismic Shipping AS [Member] |
Member |
|
|
cgg:GlobalSeismicShippingASMember |
| 1038 |
Other entities [member] |
Member |
|
|
cgg:OtherEntitiesMember |
| 1039 |
Associates and Joint ventures [Line Items] |
LineItems |
|
|
cgg:AssociatesAndJointVenturesLineItems |
| 1040 |
Equity of main contributive entities |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:Equity |
| 1041 |
% of interest |
Concept (Percent) |
For Period |
|
ifrs-full:ProportionOfOwnershipInterestInAssociate |
| 1042 |
% of interest |
Concept (Percent) |
For Period |
|
ifrs-full:ProportionOfOwnershipInterestInJointVenture |
| 1043 |
% of equity of main contributive entities |
Concept (Monetary) |
As Of |
Credit |
cgg:ProportionOfEquityOfMainContributiveEntities |
| 1044 |
Adjustments and eliminations |
Concept (Monetary) |
As Of |
Credit |
cgg:AdjustmentsForEliminationsFromInvestmentsUsingEquityMethod |
| 1045 |
Investments in companies under the equity method |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:InvestmentAccountedForUsingEquityMethod |
| 1046 |
Net income of main contributive entities |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ProfitLoss |
| 1047 |
% of interest |
Concept (Percent) |
For Period |
|
ifrs-full:ProportionOfOwnershipInterestInAssociate |
| 1048 |
% of interests |
Concept (Percent) |
For Period |
|
ifrs-full:ProportionOfOwnershipInterestInJointVenture |
| 1049 |
% of income of main contributive entities |
Concept (Monetary) |
For Period |
Credit |
cgg:ProportionOfIncomeOfMainContributiveEntities |
| 1050 |
Adjustments and eliminations |
Concept (Monetary) |
For Period |
Credit |
cgg:AdjustmentsForEliminationsFromShareOfIncomeInInvestmentsUsingEquityMethod |
| 1051 |
Share of income (loss) in companies accounted for under the equity method |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod |
| 1052 |
1104 - Disclosure - Property, Plant and Equipment - Summary of Property Plant and Equipment (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosurePropertyPlantAndEquipmentSummaryOfPropertyPlantAndEquipment |
| 1053 |
Disclosure of detailed information about property, plant and equipment [Table] |
Table |
* |
* |
ifrs-full:DisclosureOfPropertyPlantAndEquipmentTable |
| 1054 |
Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [Axis] |
Axis |
|
|
ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis |
| 1055 |
Carrying Amount [Member] |
Member |
|
|
ifrs-full:CarryingAmountMember |
| 1056 |
Gross [member] |
Member |
|
|
ifrs-full:GrossCarryingAmountMember |
| 1057 |
Accumulated depreciation [member] |
Member |
|
|
ifrs-full:AccumulatedDepreciationAmortisationAndImpairmentMember |
| 1058 |
Classes of property, plant and equipment [Axis] |
Axis |
|
|
ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis |
| 1059 |
Property, Plant and Equipment [Member] |
Member |
|
|
ifrs-full:PropertyPlantAndEquipmentMember |
| 1060 |
Land [member] |
Member |
|
|
ifrs-full:LandMember |
| 1061 |
Buildings [member] |
Member |
|
|
ifrs-full:BuildingsMember |
| 1062 |
Machinery and equipment [member] |
Member |
|
|
ifrs-full:MachineryMember |
| 1063 |
Vehicles [Member] |
Member |
|
|
ifrs-full:VehiclesMember |
| 1064 |
Other tangible assets [member] |
Member |
|
|
ifrs-full:OtherPropertyPlantAndEquipmentMember |
| 1065 |
Assets under constructions [member] |
Member |
|
|
ifrs-full:ConstructionInProgressMember |
| 1066 |
Disclosure of detailed information about property, plant and equipment [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfPropertyPlantAndEquipmentLineItems |
| 1067 |
Property, plant and equipment |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:PropertyPlantAndEquipment |
| 1068 |
1105 - Disclosure - Property, Plant and Equipment - Schedule of Variation of the Period of Property Plant and Equipment (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosurePropertyPlantAndEquipmentScheduleOfVariationOfThePeriodOfPropertyPlantAndEquipment |
| 1069 |
Implied Table |
Table |
* |
* |
implied:Table |
| 1070 |
Reconciliation of changes in property, plant and equipment [Abstract] |
Abstract |
|
|
ifrs-full:ReconciliationOfChangesInPropertyPlantAndEquipmentAbstract |
| 1071 |
Balance at beginning of period |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:PropertyPlantAndEquipment |
| 1072 |
Acquisitions |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment |
| 1073 |
Depreciation |
Concept (Monetary) |
For Period |
Credit |
cgg:DepreciationAmortisationAndImpairmentLossReversalOfImpairmentPropertyPlantAndEquipment |
| 1074 |
Disposals |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:DisposalsPropertyPlantAndEquipment |
| 1075 |
Change in exchange rates |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment |
| 1076 |
Change in consolidation scope |
Concept (Monetary) |
For Period |
Debit |
cgg:IncreaseDecreaseThroughChangesInConsolidationScope |
| 1077 |
Reclassification of tangible assets as "Assets held for sale" |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:DecreaseThroughClassifiedAsHeldForSalePropertyPlantAndEquipment |
| 1078 |
Other |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:IncreaseDecreaseThroughOtherChangesPropertyPlantAndEquipment |
| 1079 |
Balance at end of period |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:PropertyPlantAndEquipment |
| 1080 |
1106 - Disclosure - Property, Plant and Equipment - Additional Information (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosurePropertyPlantAndEquipmentAdditionalInformation |
| 1081 |
Disclosure of detailed information about property, plant and equipment [Table] |
Table |
* |
* |
ifrs-full:DisclosureOfPropertyPlantAndEquipmentTable |
| 1082 |
Classes of property, plant and equipment [Axis] |
Axis |
|
|
ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis |
| 1083 |
Property, Plant and Equipment [Member] |
Member |
|
|
ifrs-full:PropertyPlantAndEquipmentMember |
| 1084 |
Seismic Vessels [Member] |
Member |
|
|
ifrs-full:ShipsMember |
| 1085 |
Equipment and Seismic Vessels [Member] |
Member |
|
|
cgg:EquipmentAndSeismicVesselsMember |
| 1086 |
Disclosure of detailed information about property, plant and equipment [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfPropertyPlantAndEquipmentLineItems |
| 1087 |
Impairment of vessels |
Concept (Monetary) |
For Period |
|
ifrs-full:ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment |
| 1088 |
Repairs and maintenance expenses |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:RepairsAndMaintenanceExpense |
| 1089 |
1107 - Disclosure - Property, Plant and Equipment - Reconciliation of Acquisitions with Consolidated Statements of Cash Flows (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosurePropertyPlantAndEquipmentReconciliationOfAcquisitionsWithConsolidatedStatementsOfCashFlows |
| 1090 |
Implied Table |
Table |
* |
* |
implied:Table |
| 1091 |
Reconciliation Of Acquisition With Consolidated Statements Of Cash Flows And Capital Expenditure [Abstract] |
Abstract |
|
|
cgg:ReconciliationOfAcquisitionWithConsolidatedStatementsOfCashFlowsAndCapitalExpenditureAbstract |
| 1092 |
Acquisitions of tangible assets, excluding finance leas |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment |
| 1093 |
Development costs capitalized (see notes 10 and 20) |
Concept (Monetary) |
For Period |
Credit |
cgg:DevelopmentCostsCapitalizedDuringThePeriod |
| 1094 |
Additions in other intangible assets, excluding non-exclusive surveys (see note 10) |
Concept (Monetary) |
For Period |
Debit |
cgg:AdditionsInOtherIntangibleAssetsExcludingNonExclusiveSurveys |
| 1095 |
Variance of fixed assets suppliers |
Concept (Monetary) |
For Period |
Credit |
cgg:VarianceOfFixedAssetsSuppliers |
| 1096 |
Total purchases of tangible and intangible assets according to cash flow statement |
Concept (Monetary) |
For Period |
Credit |
cgg:CapitalExpendituresIncludingVariationOfFixedAssetsSuppliersExcludingMulticlientSurveys |
| 1097 |
1108 - Disclosure - Property, Plant and Equipment - Summary of Land, Buildings and Geophysical Equipment Recorded Under Finance Leases (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosurePropertyPlantAndEquipmentSummaryOfLandBuildingsAndGeophysicalEquipmentRecordedUnderFinanceLeases |
| 1098 |
Disclosure of recognised finance lease as assets by lessee [Table] |
Table |
* |
* |
ifrs-full:DisclosureOfRecognisedFinanceLeaseAsAssetsByLesseeTable |
| 1099 |
Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [Axis] |
Axis |
|
|
ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis |
| 1100 |
Carrying Amount [Member] |
Member |
|
|
ifrs-full:CarryingAmountMember |
| 1101 |
Gross [member] |
Member |
|
|
ifrs-full:GrossCarryingAmountMember |
| 1102 |
Accumulated depreciation [member] |
Member |
|
|
ifrs-full:AccumulatedDepreciationAmortisationAndImpairmentMember |
| 1103 |
Classes of property, plant and equipment [Axis] |
Axis |
|
|
ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis |
| 1104 |
Property, Plant and Equipment [Member] |
Member |
|
|
ifrs-full:PropertyPlantAndEquipmentMember |
| 1105 |
Geophysical equipment and vessels under finance leases [member] |
Member |
|
|
cgg:GeophysicalEquipmentAndVesselsMember |
| 1106 |
Land and buildings under finance leases [member] |
Member |
|
|
ifrs-full:LandAndBuildingsMember |
| 1107 |
Disclosure of recognised finance lease as assets by lessee [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfRecognisedFinanceLeaseAsAssetsByLesseeLineItems |
| 1108 |
Property, plant and equipment under finance leases |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:RecognisedFinanceLeaseAsAssets |
| 1109 |
1109 - Disclosure - Intangible Assets - Schedule of Intangible Assets (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureIntangibleAssetsScheduleOfIntangibleAssets |
| 1110 |
Disclosure of detailed information about intangible assets [Table] |
Table |
* |
* |
ifrs-full:DisclosureOfIntangibleAssetsTable |
| 1111 |
Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [Axis] |
Axis |
|
|
ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis |
| 1112 |
Carrying Amount [Member] |
Member |
|
|
ifrs-full:CarryingAmountMember |
| 1113 |
Gross [member] |
Member |
|
|
ifrs-full:GrossCarryingAmountMember |
| 1114 |
Accumulated depreciation [member] |
Member |
|
|
ifrs-full:AccumulatedDepreciationAmortisationAndImpairmentMember |
| 1115 |
Classes of intangible assets other than goodwill [Axis] |
Axis |
|
|
ifrs-full:ClassesOfIntangibleAssetsOtherThanGoodwillAxis |
| 1116 |
Intangible assets other than goodwill [Member] |
Member |
|
|
ifrs-full:IntangibleAssetsOtherThanGoodwillMember |
| 1117 |
Multi-client Surveys Marine [Member] |
Member |
|
|
cgg:MulticlientSurveysMarineMember |
| 1118 |
Multi-client surveys land [member] |
Member |
|
|
cgg:MulticlientSurveysLandMember |
| 1119 |
Development costs capitalized [member] |
Member |
|
|
ifrs-full:CapitalisedDevelopmentExpenditureMember |
| 1120 |
Software [Member] |
Member |
|
|
ifrs-full:ComputerSoftwareMember |
| 1121 |
Research - technology [Member] |
Member |
|
|
ifrs-full:TechnologybasedIntangibleAssetsMember |
| 1122 |
Customer Relationships [Member] |
Member |
|
|
ifrs-full:CustomerrelatedIntangibleAssetsMember |
| 1123 |
Trade names [member] |
Member |
|
|
ifrs-full:BrandNamesMember |
| 1124 |
Other intangible assets [member] |
Member |
|
|
ifrs-full:OtherIntangibleAssetsMember |
| 1125 |
Disclosure of detailed information about intangible assets [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfIntangibleAssetsLineItems |
| 1126 |
Total intangible assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:IntangibleAssetsOtherThanGoodwill |
| 1127 |
1110 - Disclosure - Intangible Assets - Schedule of Variation of Intangible Assets (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureIntangibleAssetsScheduleOfVariationOfIntangibleAssets |
| 1128 |
Implied Table |
Table |
* |
* |
implied:Table |
| 1129 |
Reconciliation of changes in intangible assets other than goodwill [Abstract] |
Abstract |
|
|
ifrs-full:ReconciliationOfChangesInIntangibleAssetsOtherThanGoodwillAbstract |
| 1130 |
Balance at beginning of period |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:IntangibleAssetsOtherThanGoodwill |
| 1131 |
Increase in multi-client surveys |
Concept (Monetary) |
For Period |
Debit |
cgg:IncreaseInMultiClientSurveys |
| 1132 |
Development costs capitalized |
Concept (Monetary) |
For Period |
Credit |
cgg:DevelopmentCostsCapitalizedDuringThePeriod |
| 1133 |
Other acquisitions |
Concept (Monetary) |
For Period |
Debit |
cgg:AdditionsInOtherIntangibleAssetsExcludingNonExclusiveSurveys |
| 1134 |
Depreciation on multi-client surveys |
Concept (Monetary) |
For Period |
Debit |
cgg:AdjustmentsForMulticlientSurveysDepreciationAndAmortizationExpense |
| 1135 |
Other depreciation |
Concept (Monetary) |
For Period |
Credit |
cgg:OtherDepreciationIntangibleAssetsOtherThanGoodwill |
| 1136 |
Disposals |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:DisposalsIntangibleAssetsOtherThanGoodwill |
| 1137 |
Change in exchange rates |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:IncreaseDecreaseThroughNetExchangeDifferencesIntangibleAssetsOtherThanGoodwill |
| 1138 |
Other |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:IncreaseDecreaseThroughOtherChangesIntangibleAssetsOtherThanGoodwill |
| 1139 |
Balance at end of period |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:IntangibleAssetsOtherThanGoodwill |
| 1140 |
1111 - Disclosure - Intangible Assets - Additional Information (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureIntangibleAssetsAdditionalInformation |
| 1141 |
Disclosure of detailed information about intangible assets [Table] |
Table |
* |
* |
ifrs-full:DisclosureOfIntangibleAssetsTable |
| 1142 |
Classes of intangible assets other than goodwill [Axis] |
Axis |
|
|
ifrs-full:ClassesOfIntangibleAssetsOtherThanGoodwillAxis |
| 1143 |
Intangible assets other than goodwill [Member] |
Member |
|
|
ifrs-full:IntangibleAssetsOtherThanGoodwillMember |
| 1144 |
Multi-Client Surveys [Member] |
Member |
|
|
cgg:MulticlientSurveysMember |
| 1145 |
Customer Relationships [Member] |
Member |
|
|
ifrs-full:CustomerrelatedIntangibleAssetsMember |
| 1146 |
Disclosure of detailed information about intangible assets [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfIntangibleAssetsLineItems |
| 1147 |
Depreciation on intangible assets |
Concept (Monetary) |
For Period |
|
ifrs-full:ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsOtherThanGoodwill |
| 1148 |
1112 - Disclosure - Intangible Assets - Summary of Reconciliation of Acquisitions with Consolidated Statements of Cash Flows and Capital Expenditures (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureIntangibleAssetsSummaryOfReconciliationOfAcquisitionsWithConsolidatedStatementsOfCashFlowsAndCapitalExpenditures |
| 1149 |
Implied Table |
Table |
* |
* |
implied:Table |
| 1150 |
Reconciliation Of Acquisition With Consolidated Statements Of Cash Flows And Capital Expenditure [Abstract] |
Abstract |
|
|
cgg:ReconciliationOfAcquisitionWithConsolidatedStatementsOfCashFlowsAndCapitalExpenditureAbstract |
| 1151 |
Increase in multi-client surveys |
Concept (Monetary) |
For Period |
Debit |
cgg:IncreaseInMultiClientSurveys |
| 1152 |
Multi-client depreciations & amortizations capitalized |
Concept (Monetary) |
For Period |
Debit |
cgg:AdjustmentsForDepreciationAndAmortizationCapitalizedInMulticlientSurveys |
| 1153 |
Investment in multi-client surveys according to cash flow statement |
Concept (Monetary) |
For Period |
Credit |
cgg:InvestmentsInMultiClientSurveysNetCash |
| 1154 |
1113 - Disclosure - Goodwill - Summary of Analysis of Goodwill (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureGoodwillSummaryOfAnalysisOfGoodwill |
| 1155 |
Implied Table |
Table |
* |
* |
implied:Table |
| 1156 |
Disclosure of reconciliation of changes in goodwill [Abstract] |
Abstract |
|
|
ifrs-full:DisclosureOfReconciliationOfChangesInGoodwillAbstract |
| 1157 |
Balance at beginning of period |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:Goodwill |
| 1158 |
Additions |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdditionalRecognitionGoodwill |
| 1159 |
Goodwill depreciation |
Concept (Monetary) |
For Period |
|
ifrs-full:ImpairmentLossRecognisedInProfitOrLossGoodwill |
| 1160 |
Change in exchange rates |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:IncreaseDecreaseThroughNetExchangeDifferencesGoodwill |
| 1161 |
Balance at end of period |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:Goodwill |
| 1162 |
1114 - Disclosure - Goodwill - Additional Information (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureGoodwillAdditionalInformation |
| 1163 |
Disclosure of information for impairment loss recognised or reversed for individual asset or cash-generating unit [Table] |
Table |
* |
* |
ifrs-full:DisclosureOfInformationForEachMaterialImpairmentLossRecognisedOrReversedForIndividualAssetOrCashgeneratingUnitTable |
| 1164 |
Cash-generating units [Axis] |
Axis |
|
|
ifrs-full:IndividualAssetsOrCashgeneratingUnitsWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesAxis |
| 1165 |
Entity's total for cash-generating units [Member] |
Member |
|
|
ifrs-full:EntitysTotalForCashgeneratingUnitsMember |
| 1166 |
CGU Multi-Client [member] |
Member |
|
|
cgg:CGUMultiClientMember |
| 1167 |
CGUs in Subsurface Imaging and Reservoir [member] |
Member |
|
|
cgg:CGUsInSubsurfaceImagingAndReservoirMember |
| 1168 |
Equipment 1 [member] |
Member |
|
|
cgg:Equipment1Member |
| 1169 |
CGU Marine [Member] |
Member |
|
|
cgg:CguMarineMember |
| 1170 |
Geology Geophysics and Reservoir [Member] |
Member |
|
|
cgg:GeologyGeophysicsAndReservoirMember |
| 1171 |
Range [Axis] |
Axis |
|
|
ifrs-full:RangeAxis |
| 1172 |
Ranges [Member] |
Member |
|
|
ifrs-full:RangesMember |
| 1173 |
Bottom of Range [Member] |
Member |
|
|
ifrs-full:BottomOfRangeMember |
| 1174 |
Top of Range [Member] |
Member |
|
|
ifrs-full:TopOfRangeMember |
| 1175 |
Disclosure of information for impairment loss recognised or reversed for individual asset or cash-generating unit [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfInformationForEachMaterialImpairmentLossRecognisedOrReversedForIndividualAssetOrCashgeneratingUnitLineItems |
| 1176 |
Goodwill impairment |
Concept (Monetary) |
For Period |
|
ifrs-full:ImpairmentLossRecognisedInProfitOrLossGoodwill |
| 1177 |
Number of reportable segments |
Concept (Integer) |
For Period |
|
cgg:NumberOfReportableSegments1 |
| 1178 |
Number of cash generating units |
Concept (Integer) |
For Period |
|
cgg:NumberOfCashGeneratingUnits |
| 1179 |
Goodwill |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:IncreaseDecreaseThroughTransfersAndOtherChangesGoodwill |
| 1180 |
Discounted rate |
Concept (Percent) |
As Of |
|
cgg:MaximumPercentageOfDiscountedNormativeCashFlowsWeight |
| 1181 |
Long-term growth rate |
Concept (Percent) |
As Of |
|
ifrs-full:DescriptionOfGrowthRateUsedToExtrapolateCashFlowProjections |
| 1182 |
Discounted rate |
Concept (Percent) |
As Of |
|
ifrs-full:DescriptionOfDiscountRatesAppliedToCashFlowProjections |
| 1183 |
Pre-tax rate |
Concept (Percent) |
As Of |
|
cgg:PreTaxDiscountRate |
| 1184 |
Capital employed in cash generating unit amount |
Concept (Monetary) |
As Of |
Debit |
cgg:CapitalEmployed |
| 1185 |
Goodwill |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:Goodwill |
| 1186 |
1115 - Disclosure - Goodwill - Summary of Total Group Goodwill per Segment (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureGoodwillSummaryOfTotalGroupGoodwillPerSegment |
| 1187 |
Disclosure of information for cash-generating units [Table] |
Table |
* |
* |
ifrs-full:DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesTable |
| 1188 |
Cash-generating units [Axis] |
Axis |
|
|
ifrs-full:IndividualAssetsOrCashgeneratingUnitsWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesAxis |
| 1189 |
Entity's total for cash-generating units [Member] |
Member |
|
|
ifrs-full:EntitysTotalForCashgeneratingUnitsMember |
| 1190 |
CGU Multi-Client [member] |
Member |
|
|
cgg:CGUMultiClientMember |
| 1191 |
CGUs in Subsurface Imaging and Reservoir [member] |
Member |
|
|
cgg:CGUsInSubsurfaceImagingAndReservoirMember |
| 1192 |
Geology Geophysics and Reservoir [Member] |
Member |
|
|
cgg:GeologyGeophysicsAndReservoirMember |
| 1193 |
Equipment 1 [member] |
Member |
|
|
cgg:Equipment1Member |
| 1194 |
Disclosure of information for cash-generating units [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesLineItems |
| 1195 |
Total group goodwill per segment |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:Goodwill |
| 1196 |
1116 - Disclosure - Goodwill - Summary of Changes in Assumptions used in Impairment Test (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureGoodwillSummaryOfChangesInAssumptionsUsedInImpairmentTest |
| 1197 |
Disclosure Of Sensitivity To Changes In Assumptions On Impairment Test [Table] |
Table |
* |
* |
cgg:DisclosureOfSensitivityToChangesInAssumptionsOnImpairmentTestTable |
| 1198 |
Cash-generating units [Axis] |
Axis |
|
|
ifrs-full:IndividualAssetsOrCashgeneratingUnitsWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesAxis |
| 1199 |
Entity's total for cash-generating units [Member] |
Member |
|
|
ifrs-full:EntitysTotalForCashgeneratingUnitsMember |
| 1200 |
CGU Multi-Client [member] |
Member |
|
|
cgg:CGUMultiClientMember |
| 1201 |
CGUs in Subsurface Imaging and Reservoir [member] |
Member |
|
|
cgg:CGUsInSubsurfaceImagingAndReservoirMember |
| 1202 |
Equipment 1 [member] |
Member |
|
|
cgg:Equipment1Member |
| 1203 |
Sensitivity [Axis] |
Axis |
|
|
cgg:SensitivityAxis |
| 1204 |
Sensitivity [Member] |
Member |
|
|
cgg:SensitivityMember |
| 1205 |
Sensitivity On Cash Flows [Member] |
Member |
|
|
cgg:SensitivityOnCashFlowsMember |
| 1206 |
Sensitivity on Normative Cash Flows [Member] |
Member |
|
|
cgg:SensitivityOnNormativeCashFlowsMember |
| 1207 |
Sensitivity on Discount Rate (After Tax) [Member] |
Member |
|
|
cgg:SensitivityOnDiscountRateAfterTaxMember |
| 1208 |
Range [Axis] |
Axis |
|
|
ifrs-full:RangeAxis |
| 1209 |
Ranges [Member] |
Member |
|
|
ifrs-full:RangesMember |
| 1210 |
Bottom of Range [Member] |
Member |
|
|
ifrs-full:BottomOfRangeMember |
| 1211 |
Top of Range [Member] |
Member |
|
|
ifrs-full:TopOfRangeMember |
| 1212 |
Disclosure Of Sensitivity To Changes In Assumptions On Impairment Test [Line Items] |
LineItems |
|
|
cgg:DisclosureOfSensitivityToChangesInAssumptionsOnImpairmentTestLineItems |
| 1213 |
Goodwill |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:Goodwill |
| 1214 |
Excess of the expected future Discounted cash flows over the carrying value of assets including goodwill |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:AmountByWhichUnitsRecoverableAmountExceedsItsCarryingAmount |
| 1215 |
1117 - Disclosure - Goodwill - Summary of Changes in Assumptions used in Impairment Test (Parenthetical) (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureGoodwillSummaryOfChangesInAssumptionsUsedInImpairmentTestParenthetical |
| 1216 |
Disclosure Of Sensitivity To Changes In Assumptions On Impairment Test [Table] |
Table |
* |
* |
cgg:DisclosureOfSensitivityToChangesInAssumptionsOnImpairmentTestTable |
| 1217 |
Sensitivity [Axis] |
Axis |
|
|
cgg:SensitivityAxis |
| 1218 |
Sensitivity [Member] |
Member |
|
|
cgg:SensitivityMember |
| 1219 |
Sensitivity On Cash Flows [Member] |
Member |
|
|
cgg:SensitivityOnCashFlowsMember |
| 1220 |
Sensitivity on Normative Cash Flows [Member] |
Member |
|
|
cgg:SensitivityOnNormativeCashFlowsMember |
| 1221 |
Sensitivity on Discount Rate (After Tax) [Member] |
Member |
|
|
cgg:SensitivityOnDiscountRateAfterTaxMember |
| 1222 |
Disclosure Of Sensitivity To Changes In Assumptions On Impairment Test [Line Items] |
LineItems |
|
|
cgg:DisclosureOfSensitivityToChangesInAssumptionsOnImpairmentTestLineItems |
| 1223 |
Percentage of increase in sensitivity analysis |
Concept (Percent) |
For Period |
|
cgg:PercentageOfIncreaseInSensitivityCashFlow |
| 1224 |
Cash flows projection year |
Concept (Text/String) |
For Period |
|
ifrs-full:ExplanationOfPeriodOverWhichManagementHasProjectedCashFlows |
| 1225 |
Percentage of decrease in sensitivity analysis |
Concept (Percent) |
For Period |
|
cgg:PercentageOfDecreaseInSensitivityCashFlow |
| 1226 |
Percentage of decrease in sensitivity analysis (basis points) |
Concept (Percent) |
For Period |
|
cgg:PercentageOfDecreaseInBasisPoint |
| 1227 |
Percentage of increase in sensitivity analysis (basis points) |
Concept (Percent) |
For Period |
|
cgg:PercentageOfIncreaseInBasisPoint |
| 1228 |
1118 - Disclosure - Other Current Liabilities - Summary of Other Current Liabilities (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureOtherCurrentLiabilitiesSummaryOfOtherCurrentLiabilities |
| 1229 |
Implied Table |
Table |
* |
* |
implied:Table |
| 1230 |
Miscellaneous current liabilities [Abstract] |
Abstract |
|
|
ifrs-full:MiscellaneousCurrentLiabilitiesAbstract |
| 1231 |
Value added tax and other taxes payable |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:CurrentValueAddedTaxPayables |
| 1232 |
Deferred revenue |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:DeferredIncomeClassifiedAsCurrent |
| 1233 |
Fair value of financial instruments |
Concept (Monetary) |
As Of |
Credit |
cgg:FairValueFinancialInstrumentsCurrent |
| 1234 |
Other liabilities |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:OtherLiabilities |
| 1235 |
Other current liabilities |
Concept (Monetary) |
As Of |
Credit |
cgg:OtherCurrentLiabilitiesNet |
| 1236 |
1119 - Disclosure - Financial Debt - Term Loans - Additional Information (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureFinancialDebtTermLoansAdditionalInformation |
| 1237 |
Disclosure of detailed information about borrowings [Table] |
Table |
* |
* |
ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable |
| 1238 |
Borrowings by name [Axis] |
Axis |
|
|
ifrs-full:BorrowingsByNameAxis |
| 1239 |
Borrowings by name [Member] |
Member |
|
|
ifrs-full:BorrowingsByNameMember |
| 1240 |
Term Loan Facility Agreement [member] |
Member |
|
|
cgg:TermLoanFacilityAgreementMember |
| 1241 |
High Yield Bonds Due 2017 [Member] |
Member |
|
|
cgg:HighYieldBondsDue2017Member |
| 1242 |
High Yield Bonds Due 2021 [Member] |
Member |
|
|
cgg:HighYieldBondsDue2021Member |
| 1243 |
High Yield Bonds Due 2022 [member] |
Member |
|
|
cgg:HighYieldBondsDue2022Member |
| 1244 |
Fugro [member] |
Member |
|
|
cgg:FugroMember |
| 1245 |
Types of interest rates [axis] |
Axis |
|
|
ifrs-full:TypesOfInterestRatesAxis |
| 1246 |
Interest rate types [Member] |
Member |
|
|
ifrs-full:InterestRateTypesMember |
| 1247 |
Option One [Member] |
Member |
|
|
cgg:OptionOneMember |
| 1248 |
Option Two [Member] |
Member |
|
|
cgg:OptionTwoMember |
| 1249 |
Range [Axis] |
Axis |
|
|
ifrs-full:RangeAxis |
| 1250 |
Ranges [Member] |
Member |
|
|
ifrs-full:RangesMember |
| 1251 |
Bottom of Range [Member] |
Member |
|
|
ifrs-full:BottomOfRangeMember |
| 1252 |
Types of financial liabilities [Axis] |
Axis |
|
|
ifrs-full:TypesOfFinancialLiabilitiesAxis |
| 1253 |
Financial liabilities, type [Member] |
Member |
|
|
ifrs-full:FinancialLiabilitiesTypeMember |
| 1254 |
Financial Debt [Member] |
Member |
|
|
cgg:FinancialDebtMember |
| 1255 |
Disclosure of detailed information about borrowings [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems |
| 1256 |
Gross financial debt |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:Borrowings |
| 1257 |
Adjustment to amortization of debt issuing fees |
Concept (Monetary) |
For Period |
Debit |
cgg:AdjustmentsForAmortizationOfDebtIssueCost |
| 1258 |
Outstanding borrowings before issuing fees |
Concept (Monetary) |
As Of |
Credit |
cgg:OutstandingBeforeIssuingFees |
| 1259 |
Secured borrowings |
Concept (Monetary) |
For Period |
Credit |
cgg:IncreaseDecreaseBorrowings |
| 1260 |
Borrowings maturity date |
Concept (Text/String) |
For Period |
|
cgg:BorrowingsMaturityDates |
| 1261 |
Borrowings interest rate |
Concept (Percent) |
As Of |
|
ifrs-full:BorrowingsAdjustmentToInterestRateBasis |
| 1262 |
Borrowings interest, floor rate |
Concept (Text/String) |
For Period |
|
ifrs-full:BorrowingsInterestRateBasis |
| 1263 |
1120 - Disclosure - Financial Debt - Schedule of Financial Debt (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureFinancialDebtScheduleOfFinancialDebt |
| 1264 |
Disclosure of detailed information about borrowings [Table] |
Table |
* |
* |
ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable |
| 1265 |
Classes of financial liabilities [Axis] |
Axis |
|
|
ifrs-full:ClassesOfFinancialLiabilitiesAxis |
| 1266 |
Financial liabilities, class [Member] |
Member |
|
|
ifrs-full:FinancialLiabilitiesMember |
| 1267 |
High yield bonds [Member] |
Member |
|
|
cgg:HighYieldBondsMember |
| 1268 |
Convertible Bonds [Member] |
Member |
|
|
cgg:ConvertibleBondsMember |
| 1269 |
Term loan [member] |
Member |
|
|
cgg:TermLoanMember |
| 1270 |
Credit facility [member] |
Member |
|
|
cgg:CreditFacilityMember |
| 1271 |
Bank loans and other loans [member] |
Member |
|
|
cgg:BankLoansAndOtherLoansMember |
| 1272 |
Finance lease debt [member] |
Member |
|
|
cgg:FinanceLeaseDebtMember |
| 1273 |
Financial debt excluding accrued interests [member] |
Member |
|
|
cgg:FinancialDebtExcludingAccruedInterestsMember |
| 1274 |
Accrued Interest [Member] |
Member |
|
|
cgg:AccruedInterestMember |
| 1275 |
Financial Debt [Member] |
Member |
|
|
cgg:FinancialDebtMember |
| 1276 |
Bank Overdraft [Member] |
Member |
|
|
cgg:BankOverdraftMember |
| 1277 |
Gross financial debt [member] |
Member |
|
|
cgg:GrossFinancialDebtMember |
| 1278 |
Disclosure of detailed information about borrowings [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems |
| 1279 |
Current |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings |
| 1280 |
Non- current |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:LongtermBorrowings |
| 1281 |
Aggregate outstanding principal amount of notes |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:Borrowings |
| 1282 |
1121 - Disclosure - Financial Debt - Schedule of Financial Debt (Parenthetical) (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureFinancialDebtScheduleOfFinancialDebtParenthetical |
| 1283 |
Disclosure of detailed information about borrowings [Table] |
Table |
* |
* |
ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable |
| 1284 |
Classes of financial liabilities [Axis] |
Axis |
|
|
ifrs-full:ClassesOfFinancialLiabilitiesAxis |
| 1285 |
Financial liabilities, class [Member] |
Member |
|
|
ifrs-full:FinancialLiabilitiesMember |
| 1286 |
Financial Debt [Member] |
Member |
|
|
cgg:FinancialDebtMember |
| 1287 |
Non-adjusting events after reporting period [Axis] |
Axis |
|
|
ifrs-full:NonadjustingEventsAfterReportingPeriodAxis |
| 1288 |
Non-adjusting events after reporting period [Member] |
Member |
|
|
ifrs-full:NonadjustingEventsMember |
| 1289 |
Announcing or Commencing Implementation of Major Restructuring [Member] |
Member |
|
|
ifrs-full:AnnouncingOrCommencingImplementationOfMajorRestructuringMember |
| 1290 |
Disclosure of detailed information about borrowings [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems |
| 1291 |
Loans secured by tangible assets and receivables |
Concept (Monetary) |
As Of |
Credit |
cgg:SecuredBankLoansReceivedBeforeIssuingFees |
| 1292 |
Loans net of issuing fees |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:SecuredBankLoansReceived |
| 1293 |
Aggregate outstanding principal amount of notes |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:Borrowings |
| 1294 |
Current portion of financial debt |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings |
| 1295 |
Non-current portion of financial debt |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:LongtermBorrowings |
| 1296 |
1122 - Disclosure - Financial Debt - Summary of Changes in Liabilities Arising from Financing Activities (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureFinancialDebtSummaryOfChangesInLiabilitiesArisingFromFinancingActivities |
| 1297 |
Implied Table |
Table |
* |
* |
implied:Table |
| 1298 |
Disclosure Of Reconciliation Of Liabilities Arising From Financing Activities [Abstract] |
Abstract |
|
|
cgg:DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesAbstract |
| 1299 |
Beginning balance |
Concept (Monetary) |
As Of |
Credit |
cgg:LiabilitiesArisingFromFinancingActivities |
| 1300 |
Decrease in long term debts |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:RepaymentsOfBorrowingsClassifiedAsFinancingActivities |
| 1301 |
Increase in long term debts |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ProceedsFromBorrowingsClassifiedAsFinancingActivities |
| 1302 |
Reimbursement on leasing |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:PaymentsOfFinanceLeaseLiabilitiesClassifiedAsFinancingActivities |
| 1303 |
Financial interests paid |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:InterestPaidClassifiedAsFinancingActivities |
| 1304 |
Cash flows |
Concept (Monetary) |
For Period |
Credit |
cgg:IncreaseDecreaseThroughFinancingCashFlowsLiabilitiesArisingFromFinancingActivities |
| 1305 |
Cost of financial debt, net |
Concept (Monetary) |
For Period |
|
ifrs-full:BorrowingCostsIncurred |
| 1306 |
Nordic credit facility (see note 2 - New ownership set up for our seismic fleet ) |
Concept (Monetary) |
For Period |
Credit |
cgg:IncreaseDecreaseInNordicCreditFacilityLiabilitiesArisingFromFinancingActivities |
| 1307 |
Liabilities linked to charter agreements (see note 2 - Proactive management of maritime liabilities ) |
Concept (Monetary) |
For Period |
Credit |
cgg:IncreaseDecreaseInLiabilitiesLinkedToCharterAgreementsLiabilitiesArisingFromFinancingActivities |
| 1308 |
Change in exchange rates |
Concept (Monetary) |
For Period |
Credit |
cgg:IncreaseDecreaseThroughEffectOfChangesInForeignExchangeRatesLiabilitiesArisingFromFinancingActivities |
| 1309 |
Other |
Concept (Monetary) |
For Period |
Credit |
cgg:IncreaseDecreaseThroughOtherChangesLiabilitiesArisingFromFinancingActivities |
| 1310 |
Balance at end of period |
Concept (Monetary) |
As Of |
Credit |
cgg:LiabilitiesArisingFromFinancingActivities |
| 1311 |
1123 - Disclosure - Financial Debt - Schedule of Financial Debt by Financing Sources (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureFinancialDebtScheduleOfFinancialDebtByFinancingSources |
| 1312 |
Disclosure of detailed information about borrowings [Table] |
Table |
* |
* |
ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable |
| 1313 |
Borrowings by name [Axis] |
Axis |
|
|
ifrs-full:BorrowingsByNameAxis |
| 1314 |
Borrowings by name [Member] |
Member |
|
|
ifrs-full:BorrowingsByNameMember |
| 1315 |
Term Loan Facility Agreement [member] |
Member |
|
|
cgg:TermLoanFacilityAgreementMember |
| 1316 |
High Yield Bonds Due 2020 [member] |
Member |
|
|
cgg:HighYieldBondsDue2020Member |
| 1317 |
High Yield Bonds Due 2021 [Member] |
Member |
|
|
cgg:HighYieldBondsDue2021Member |
| 1318 |
High Yield Bonds Due 2021 [Member] |
Member |
|
|
cgg:HighYieldBondsMarineDue2021Member |
| 1319 |
High Yield Bonds Due 2022 [member] |
Member |
|
|
cgg:HighYieldBondsDue2022Member |
| 1320 |
Convertible Bonds Due 2019 [Member] |
Member |
|
|
cgg:ConvertibleBondsDue2019Member |
| 1321 |
Convertible Bonds Due 2020 [member] |
Member |
|
|
cgg:ConvertibleBondsDue2020Member |
| 1322 |
Other bank loans [member] |
Member |
|
|
cgg:OtherBankLoansMember |
| 1323 |
Fugro [member] |
Member |
|
|
cgg:FugroMember |
| 1324 |
Real estate finance lease [member] |
Member |
|
|
cgg:RealEstateFinanceLeaseMember |
| 1325 |
Other finance lease [member] |
Member |
|
|
cgg:OtherFinanceLeaseMember |
| 1326 |
Classes of financial liabilities [Axis] |
Axis |
|
|
ifrs-full:ClassesOfFinancialLiabilitiesAxis |
| 1327 |
Financial liabilities, class [Member] |
Member |
|
|
ifrs-full:FinancialLiabilitiesMember |
| 1328 |
High yield bonds [Member] |
Member |
|
|
cgg:HighYieldBondsMember |
| 1329 |
Convertible Bonds [Member] |
Member |
|
|
cgg:ConvertibleBondsMember |
| 1330 |
Credit facility [member] |
Member |
|
|
cgg:CreditFacilityMember |
| 1331 |
Bank loans and other loans [member] |
Member |
|
|
cgg:BankLoansAndOtherLoansMember |
| 1332 |
Finance lease debt [member] |
Member |
|
|
cgg:FinanceLeaseDebtMember |
| 1333 |
Financial debt excluding accrued interests [member] |
Member |
|
|
cgg:FinancialDebtExcludingAccruedInterestsMember |
| 1334 |
Disclosure of detailed information about borrowings [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems |
| 1335 |
Issuing date |
Concept (Text/String) |
For Period |
|
cgg:BorrowingsIssuedDate |
| 1336 |
Borrowings maturity date |
Concept (Text/String) |
For Period |
|
cgg:BorrowingsMaturityDates |
| 1337 |
Nominal amount |
Concept (Monetary) |
As Of |
|
ifrs-full:NotionalAmount |
| 1338 |
Aggregate outstanding principal amount of notes |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:Borrowings |
| 1339 |
Interest rate |
Concept (Percent) |
As Of |
|
ifrs-full:BorrowingsInterestRate |
| 1340 |
Interest rate basis |
Concept (Text/String) |
For Period |
|
ifrs-full:BorrowingsInterestRateBasis |
| 1341 |
Adjustment to interest rate basis |
Concept (Percent) |
As Of |
|
ifrs-full:BorrowingsAdjustmentToInterestRateBasis |
| 1342 |
1124 - Disclosure - Financial Debt - Schedule of Financial Debt by Currency (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureFinancialDebtScheduleOfFinancialDebtByCurrency |
| 1343 |
Disclosure of detailed information about borrowings [Table] |
Table |
* |
* |
ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable |
| 1344 |
Currency [Axis] |
Axis |
|
|
cgg:CurrencyAxis |
| 1345 |
Currency [Domain] |
Member |
|
|
cgg:CurrencyDomain |
| 1346 |
US Dollar [member] |
Member |
|
|
cgg:UsDollarMember |
| 1347 |
Euro [Member] |
Member |
|
|
cgg:EuroMember |
| 1348 |
Classes of financial liabilities [Axis] |
Axis |
|
|
ifrs-full:ClassesOfFinancialLiabilitiesAxis |
| 1349 |
Financial liabilities, class [Member] |
Member |
|
|
ifrs-full:FinancialLiabilitiesMember |
| 1350 |
Financial debt excluding accrued interests [member] |
Member |
|
|
cgg:FinancialDebtExcludingAccruedInterestsMember |
| 1351 |
Disclosure of detailed information about borrowings [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems |
| 1352 |
Aggregate outstanding principal amount of notes |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:Borrowings |
| 1353 |
1125 - Disclosure - Financial Debt - Schedule of Financial Debt by Interest Rate (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureFinancialDebtScheduleOfFinancialDebtByInterestRate |
| 1354 |
Disclosure of detailed information about borrowings [Table] |
Table |
* |
* |
ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable |
| 1355 |
Types of interest rates [axis] |
Axis |
|
|
ifrs-full:TypesOfInterestRatesAxis |
| 1356 |
Interest rate types [Member] |
Member |
|
|
ifrs-full:InterestRateTypesMember |
| 1357 |
Variable Rate [member] |
Member |
|
|
ifrs-full:FloatingInterestRateMember |
| 1358 |
Fix rate [Member] |
Member |
|
|
ifrs-full:FixedInterestRateMember |
| 1359 |
Classes of financial liabilities [Axis] |
Axis |
|
|
ifrs-full:ClassesOfFinancialLiabilitiesAxis |
| 1360 |
Financial liabilities, class [Member] |
Member |
|
|
ifrs-full:FinancialLiabilitiesMember |
| 1361 |
Financial debt excluding accrued interests [member] |
Member |
|
|
cgg:FinancialDebtExcludingAccruedInterestsMember |
| 1362 |
Disclosure of detailed information about borrowings [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems |
| 1363 |
Total financial debt, excluding accrued interests and bank overdrafts |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:Borrowings |
| 1364 |
1126 - Disclosure - Financial Debt - Schedule of Financial Debt by Interest Rate (Parenthetical) (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureFinancialDebtScheduleOfFinancialDebtByInterestRateParenthetical |
| 1365 |
Disclosure of detailed information about borrowings [Table] |
Table |
* |
* |
ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable |
| 1366 |
Classes of financial liabilities [Axis] |
Axis |
|
|
ifrs-full:ClassesOfFinancialLiabilitiesAxis |
| 1367 |
Financial liabilities, class [Member] |
Member |
|
|
ifrs-full:FinancialLiabilitiesMember |
| 1368 |
Financial debt excluding accrued interests [member] |
Member |
|
|
cgg:FinancialDebtExcludingAccruedInterestsMember |
| 1369 |
Types of interest rates [axis] |
Axis |
|
|
ifrs-full:TypesOfInterestRatesAxis |
| 1370 |
Interest rate types [Member] |
Member |
|
|
ifrs-full:InterestRateTypesMember |
| 1371 |
Variable Rate [member] |
Member |
|
|
ifrs-full:FloatingInterestRateMember |
| 1372 |
Fix rate [Member] |
Member |
|
|
ifrs-full:FixedInterestRateMember |
| 1373 |
Disclosure of detailed information about borrowings [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems |
| 1374 |
Average effective rate |
Concept (Percent) |
For Period |
|
cgg:AverageEffectiveInterestRate |
| 1375 |
1127 - Disclosure - Financial Debt - High Yield Bonds - Additional Information (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureFinancialDebtHighYieldBondsAdditionalInformation |
| 1376 |
Disclosure of detailed information about borrowings [Table] |
Table |
* |
* |
ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable |
| 1377 |
Borrowings by name [Axis] |
Axis |
|
|
ifrs-full:BorrowingsByNameAxis |
| 1378 |
Borrowings by name [Member] |
Member |
|
|
ifrs-full:BorrowingsByNameMember |
| 1379 |
High Yield Bonds Due 2022 [member] |
Member |
|
|
cgg:HighYieldBondsDue2022Member |
| 1380 |
High Yield Bonds Due 2021 [Member] |
Member |
|
|
cgg:HighYieldBondsDue2021Member |
| 1381 |
High Yield Bonds Due 2021 [Member] |
Member |
|
|
cgg:HighYieldBondsMarineDue2021Member |
| 1382 |
High Yield Bonds Due 2015 [Member] |
Member |
|
|
cgg:HighYieldBondsDue2015Member |
| 1383 |
Term Loan B [Member] |
Member |
|
|
cgg:TermLoanBMember |
| 1384 |
High Yield Bonds Due 2020 [member] |
Member |
|
|
cgg:HighYieldBondsDue2020Member |
| 1385 |
Convertible Bonds Due 2016 [Member] |
Member |
|
|
cgg:ConvertibleBondsDue2016Member |
| 1386 |
Fugro [member] |
Member |
|
|
cgg:FugroMember |
| 1387 |
High Yield Bonds Due 2017 [Member] |
Member |
|
|
cgg:HighYieldBondsDue2017Member |
| 1388 |
Bridge Loan 1 [Member] |
Member |
|
|
cgg:BridgeLoan1Member |
| 1389 |
Disclosure of detailed information about borrowings [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems |
| 1390 |
Outstanding balance |
Concept (Monetary) |
As Of |
Credit |
cgg:OutstandingBeforeIssuingFees |
| 1391 |
Maturity date |
Concept (Text/String) |
For Period |
|
cgg:BorrowingsMaturityDates |
| 1392 |
Notional amount |
Concept (Monetary) |
As Of |
|
ifrs-full:NotionalAmount |
| 1393 |
Interest rate |
Concept (Percent) |
As Of |
|
ifrs-full:BorrowingsInterestRate |
| 1394 |
Issued price percentage |
Concept (Percent) |
As Of |
|
cgg:IssuedPricePercentage |
| 1395 |
Yield percentage |
Concept (Percent) |
As Of |
|
cgg:PercentageOfYield |
| 1396 |
Repayment and redemption of notes |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:RepaymentsOfBorrowingsClassifiedAsFinancingActivities |
| 1397 |
Historical closing exchange rate |
Concept (Decimal) |
As Of |
|
cgg:HistoricalClosingForeignExchangeRate |
| 1398 |
Aggregate outstanding principal amount of notes |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:Borrowings |
| 1399 |
Redemption percentage |
Concept (Percent) |
As Of |
|
cgg:RedemptionPercentage |
| 1400 |
1128 - Disclosure - Financial Debt - Convertible Bonds - Additional Information (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureFinancialDebtConvertibleBondsAdditionalInformation |
| 1401 |
Disclosure of detailed information about borrowings [Table] |
Table |
* |
* |
ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable |
| 1402 |
Borrowings by name [Axis] |
Axis |
|
|
ifrs-full:BorrowingsByNameAxis |
| 1403 |
Borrowings by name [Member] |
Member |
|
|
ifrs-full:BorrowingsByNameMember |
| 1404 |
Convertible Bonds Due 2020 [member] |
Member |
|
|
cgg:ConvertibleBondsDue2020Member |
| 1405 |
Convertible Bonds Due 2019 [Member] |
Member |
|
|
cgg:ConvertibleBondsDue2019Member |
| 1406 |
Business combinations [Axis] |
Axis |
|
|
ifrs-full:BusinessCombinationsAxis |
| 1407 |
Entity's total for business combinations [Member] |
Member |
|
|
ifrs-full:EntitysTotalForBusinessCombinationsMember |
| 1408 |
Fugro Geoscience [Member] |
Member |
|
|
cgg:FugroGeoscienceMember |
| 1409 |
Disclosure of detailed information about borrowings [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems |
| 1410 |
Outstanding balance |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:Borrowings |
| 1411 |
Maturity date |
Concept (Text/String) |
For Period |
|
cgg:BorrowingsMaturityDates |
| 1412 |
Conversion ratio |
Concept (Pure) |
As Of |
|
cgg:DebtInstrumentsConvertibleConversionRatio |
| 1413 |
Percentage of principal amount of debt securities exchanged |
Concept (Percent) |
For Period |
|
cgg:PercentageOfPrincipalAmount |
| 1414 |
Number of exchanged debt securities |
Concept (Integer) |
For Period |
|
cgg:NumberOfDebtSecuritiesExchanged |
| 1415 |
Number of debt securities issued |
Concept (Integer) |
For Period |
|
cgg:NumberOfDebtSecuritiesIssued |
| 1416 |
Notional amount |
Concept (Monetary) |
As Of |
|
ifrs-full:NotionalAmount |
| 1417 |
Historical closing exchange rate |
Concept (Decimal) |
As Of |
|
cgg:HistoricalClosingForeignExchangeRate |
| 1418 |
Debt security nominal value per bond |
Concept (Decimal) |
As Of |
|
cgg:DebtSecurityNominalValuePerUnit |
| 1419 |
Interest rate of bonds |
Concept (Percent) |
As Of |
|
ifrs-full:BorrowingsInterestRate |
| 1420 |
Derecognition of financial liability effect of exchange of convertible bonds on equity |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:IssueOfConvertibleInstruments |
| 1421 |
Derecognition of financial liability interest rate used to assess fair value of financial liability |
Concept (Percent) |
For Period |
|
ifrs-full:InterestRateSignificantUnobservableInputsLiabilities |
| 1422 |
Derecognition of financial liability |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:FinancialLiabilities |
| 1423 |
Acquisition price |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:AcquisitiondateFairValueOfTotalConsiderationTransferred |
| 1424 |
Issue premium percentage of share price |
Concept (Percent) |
For Period |
|
cgg:IssuePremiumPercentageOfSharePrice |
| 1425 |
1129 - Disclosure - Financial Debt - Summary of Analysis of Authorized Credit Lines (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureFinancialDebtSummaryOfAnalysisOfAuthorizedCreditLines |
| 1426 |
Disclosure of detailed information about borrowings [Table] |
Table |
* |
* |
ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable |
| 1427 |
Borrowings by name [Axis] |
Axis |
|
|
ifrs-full:BorrowingsByNameAxis |
| 1428 |
Borrowings by name [Member] |
Member |
|
|
ifrs-full:BorrowingsByNameMember |
| 1429 |
US Revolving Facility [Member] |
Member |
|
|
cgg:USRevolvingFacilityMember |
| 1430 |
French Revolving Facility [Member] |
Member |
|
|
cgg:FrenchRevolvingFacilityMember |
| 1431 |
Disclosure of detailed information about borrowings [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems |
| 1432 |
Date |
Concept (Text/String) |
For Period |
|
cgg:BorrowingsIssuedDate |
| 1433 |
Borrowings maturity date |
Concept (Text/String) |
For Period |
|
cgg:BorrowingsMaturityDates |
| 1434 |
Used amount |
Concept (Monetary) |
As Of |
Credit |
cgg:CreditFacilityAmountUsed |
| 1435 |
1130 - Disclosure - Financial Debt - Revolving Credit Agreement (US revolving facility) - Additional Information (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureFinancialDebtRevolvingCreditAgreementUSRevolvingFacilityAdditionalInformation |
| 1436 |
Disclosure of detailed information about borrowings [Table] |
Table |
* |
* |
ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable |
| 1437 |
Borrowings by name [Axis] |
Axis |
|
|
ifrs-full:BorrowingsByNameAxis |
| 1438 |
Borrowings by name [Member] |
Member |
|
|
ifrs-full:BorrowingsByNameMember |
| 1439 |
US Revolving Facility [Member] |
Member |
|
|
cgg:USRevolvingFacilityMember |
| 1440 |
Disclosure of detailed information about borrowings [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems |
| 1441 |
Credit facility authorized amount |
Concept (Monetary) |
As Of |
Credit |
cgg:CreditFacilityAuthorizedAmount |
| 1442 |
Credit facility maturity |
Concept (Text/String) |
For Period |
|
ifrs-full:BorrowingsMaturity |
| 1443 |
1131 - Disclosure - Financial Debt - Revolving Credit Agreement (French revolving facility) - Additional Information (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureFinancialDebtRevolvingCreditAgreementFrenchRevolvingFacilityAdditionalInformation |
| 1444 |
Disclosure of detailed information about borrowings [Table] |
Table |
* |
* |
ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable |
| 1445 |
Borrowings by name [Axis] |
Axis |
|
|
ifrs-full:BorrowingsByNameAxis |
| 1446 |
Borrowings by name [Member] |
Member |
|
|
ifrs-full:BorrowingsByNameMember |
| 1447 |
French Revolving Facility [Member] |
Member |
|
|
cgg:FrenchRevolvingFacilityMember |
| 1448 |
Disclosure of detailed information about borrowings [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems |
| 1449 |
Credit facility authorized amount |
Concept (Monetary) |
As Of |
Credit |
cgg:CreditFacilityAuthorizedAmount |
| 1450 |
Credit facility maturity |
Concept (Text/String) |
For Period |
|
ifrs-full:BorrowingsMaturity |
| 1451 |
Number of extension options |
Concept (Integer) |
As Of |
|
cgg:NumberOfExtensionOptions |
| 1452 |
Period for each extension options |
Concept (xbrli:durationItemType) |
For Period |
|
cgg:PeriodForEachExtensionOptions |
| 1453 |
1132 - Disclosure - Financial Debt - Nordic credit facility - Additional Information (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureFinancialDebtNordicCreditFacilityAdditionalInformation |
| 1454 |
Disclosure of detailed information about borrowings [Table] |
Table |
* |
* |
ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable |
| 1455 |
Borrowings by name [Axis] |
Axis |
|
|
ifrs-full:BorrowingsByNameAxis |
| 1456 |
Borrowings by name [Member] |
Member |
|
|
ifrs-full:BorrowingsByNameMember |
| 1457 |
Nordic Credit Facility [Member] |
Member |
|
|
cgg:NordicCreditFacilityMember |
| 1458 |
Nordic Revolving Facility [Member] |
Member |
|
|
cgg:NordicRevolvingFacilityMember |
| 1459 |
Nordic Credit Line [Member] |
Member |
|
|
cgg:NordicCreditLineMember |
| 1460 |
Disclosure of detailed information about borrowings [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems |
| 1461 |
Reduction of gross debt |
Concept (Monetary) |
For Period |
Credit |
cgg:IncreaseDecreaseInNordicCreditFacilityLiabilitiesArisingFromFinancingActivities |
| 1462 |
Credit facility authorized amount |
Concept (Monetary) |
As Of |
Credit |
cgg:CreditFacilityAuthorizedAmount |
| 1463 |
Notional amount |
Concept (Monetary) |
As Of |
|
ifrs-full:NotionalAmount |
| 1464 |
Borrowings maturity date |
Concept (Text/String) |
For Period |
|
cgg:BorrowingsMaturityDates |
| 1465 |
Annual rate |
Concept (Percent) |
As Of |
|
ifrs-full:BorrowingsInterestRate |
| 1466 |
Credit facility maturity |
Concept (Text/String) |
For Period |
|
ifrs-full:BorrowingsMaturity |
| 1467 |
1133 - Disclosure - Financial Debt - Secured Term Loan Facility - Additional Information (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureFinancialDebtSecuredTermLoanFacilityAdditionalInformation |
| 1468 |
Disclosure of detailed information about borrowings [Table] |
Table |
* |
* |
ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable |
| 1469 |
Borrowings by name [Axis] |
Axis |
|
|
ifrs-full:BorrowingsByNameAxis |
| 1470 |
Borrowings by name [Member] |
Member |
|
|
ifrs-full:BorrowingsByNameMember |
| 1471 |
Streamer Financing [Member] |
Member |
|
|
cgg:StreamerFinancingMember |
| 1472 |
45 Term Loan Facility Agreement [Member] |
Member |
|
|
cgg:FortyFiveTermLoanFacilityAgreementMember |
| 1473 |
Disclosure of detailed information about borrowings [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems |
| 1474 |
Aggregate outstanding principal amount of notes |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:Borrowings |
| 1475 |
Credit facility authorized amount |
Concept (Monetary) |
As Of |
Credit |
cgg:CreditFacilityAuthorizedAmount |
| 1476 |
Annual rate |
Concept (Percent) |
As Of |
|
ifrs-full:BorrowingsInterestRate |
| 1477 |
Loan reimbursed period |
Concept (Text/String) |
For Period |
|
ifrs-full:BorrowingsMaturity |
| 1478 |
Credit facility authorized amount |
Concept (Monetary) |
As Of |
|
ifrs-full:NotionalAmount |
| 1479 |
1134 - Disclosure - Financial Debt - Vendor loan granted by Fugro - Additional Information (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureFinancialDebtVendorLoanGrantedByFugroAdditionalInformation |
| 1480 |
Disclosure of detailed information about borrowings [Table] |
Table |
* |
* |
ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable |
| 1481 |
Borrowings by name [Axis] |
Axis |
|
|
ifrs-full:BorrowingsByNameAxis |
| 1482 |
Borrowings by name [Member] |
Member |
|
|
ifrs-full:BorrowingsByNameMember |
| 1483 |
Fugro [member] |
Member |
|
|
cgg:FugroMember |
| 1484 |
Maturity [Axis] |
Axis |
|
|
ifrs-full:MaturityAxis |
| 1485 |
Aggregated time bands [Member] |
Member |
|
|
ifrs-full:AggregatedTimeBandsMember |
| 1486 |
Later Than Three Years And Not Later Than Four Years [Member] |
Member |
|
|
ifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMember |
| 1487 |
4-5 Years [Member] |
Member |
|
|
ifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMember |
| 1488 |
Disclosure of detailed information about borrowings [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems |
| 1489 |
Borrowings repayment percentage |
Concept (Percent) |
For Period |
|
cgg:BorrowingsRepaymentPercentage |
| 1490 |
Borrowings redemption amount |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:RepaymentsOfBorrowingsClassifiedAsFinancingActivities |
| 1491 |
Average exchange rate |
Concept (Decimal) |
For Period |
|
cgg:HistoricalAverageForeignExchangeRate |
| 1492 |
Notional amount |
Concept (Monetary) |
As Of |
|
ifrs-full:NotionalAmount |
| 1493 |
Debt instrument interest rate |
Concept (Percent) |
As Of |
|
ifrs-full:BorrowingsInterestRate |
| 1494 |
1135 - Disclosure - Financial Instruments - Additional Information (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureFinancialInstrumentsAdditionalInformation |
| 1495 |
Disclosure of detailed information about financial instruments [Table] |
Table |
* |
* |
ifrs-full:DisclosureOfFinancialInstrumentsTable |
| 1496 |
Currency [Axis] |
Axis |
|
|
cgg:CurrencyAxis |
| 1497 |
Currency [Domain] |
Member |
|
|
cgg:CurrencyDomain |
| 1498 |
Euro [Member] |
Member |
|
|
cgg:EuroMember |
| 1499 |
Types of risks [Axis] |
Axis |
|
|
ifrs-full:TypesOfRisksAxis |
| 1500 |
Risks [Member] |
Member |
|
|
ifrs-full:TypesOfRisksMember |
| 1501 |
Currency Risk [Member] |
Member |
|
|
ifrs-full:CurrencyRiskMember |
| 1502 |
Interest Rate Risk [Member] |
Member |
|
|
ifrs-full:InterestRateRiskMember |
| 1503 |
Borrowings by name [Axis] |
Axis |
|
|
ifrs-full:BorrowingsByNameAxis |
| 1504 |
Borrowings by name [Member] |
Member |
|
|
ifrs-full:BorrowingsByNameMember |
| 1505 |
High Yield Bonds Due 2020 [member] |
Member |
|
|
cgg:HighYieldBondsDue2020Member |
| 1506 |
High Yield Bonds Due 2021 [Member] |
Member |
|
|
cgg:HighYieldBondsDue2021Member |
| 1507 |
High Yield Bonds Due 2022 [member] |
Member |
|
|
cgg:HighYieldBondsDue2022Member |
| 1508 |
Convertible Bonds Due 2019 [Member] |
Member |
|
|
cgg:ConvertibleBondsDue2019Member |
| 1509 |
Convertible Bonds Due 2020 [member] |
Member |
|
|
cgg:ConvertibleBondsDue2020Member |
| 1510 |
Range [Axis] |
Axis |
|
|
ifrs-full:RangeAxis |
| 1511 |
Ranges [Member] |
Member |
|
|
ifrs-full:RangesMember |
| 1512 |
Bottom of Range [Member] |
Member |
|
|
ifrs-full:BottomOfRangeMember |
| 1513 |
Top of Range [Member] |
Member |
|
|
ifrs-full:TopOfRangeMember |
| 1514 |
Types of interest rates [axis] |
Axis |
|
|
ifrs-full:TypesOfInterestRatesAxis |
| 1515 |
Interest rate types [Member] |
Member |
|
|
ifrs-full:InterestRateTypesMember |
| 1516 |
Fix rate [Member] |
Member |
|
|
ifrs-full:FixedInterestRateMember |
| 1517 |
Variable Rate [member] |
Member |
|
|
ifrs-full:FloatingInterestRateMember |
| 1518 |
Classes of financial liabilities [Axis] |
Axis |
|
|
ifrs-full:ClassesOfFinancialLiabilitiesAxis |
| 1519 |
Financial liabilities, class [Member] |
Member |
|
|
ifrs-full:FinancialLiabilitiesMember |
| 1520 |
Secured Debt [Member] |
Member |
|
|
cgg:SecuredDebtMember |
| 1521 |
Financial debt excluding accrued interests [member] |
Member |
|
|
cgg:FinancialDebtExcludingAccruedInterestsMember |
| 1522 |
Investments and Other Financial Assets [Member] |
Member |
|
|
cgg:InvestmentsAndOtherFinancialAssetsMember |
| 1523 |
Major customers [Axis] |
Axis |
|
|
ifrs-full:MajorCustomersAxis |
| 1524 |
Customers [Member] |
Member |
|
|
ifrs-full:MajorCustomersMember |
| 1525 |
Customer A [Member] |
Member |
|
|
cgg:CustomerAMember |
| 1526 |
Customer B [Member] |
Member |
|
|
cgg:CustomerBMember |
| 1527 |
Disclosure of detailed information about financial instruments [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfFinancialInstrumentsLineItems |
| 1528 |
Estimated annual fixed expense |
Concept (Monetary) |
For Period |
Debit |
cgg:FixedExpenses |
| 1529 |
Unfavorable variation in exchange rates |
Concept (Decimal) |
For Period |
|
cgg:VarianceAverageForeignExchangeRate |
| 1530 |
Increase (decrease) in interest expense |
Concept (Monetary) |
For Period |
Credit |
cgg:ImpactOnResultBeforeTax |
| 1531 |
Debt, net |
Concept (Monetary) |
As Of |
Credit |
cgg:NetDebt |
| 1532 |
Closing foreign exchange rate |
Concept (Decimal) |
As Of |
|
ifrs-full:ClosingForeignExchangeRate |
| 1533 |
Unfavorable variation in exchange rates |
Concept (Decimal) |
As Of |
|
cgg:VarianceClosingForeignExchangeRate |
| 1534 |
Impact on net debt by closing exchange rate |
Concept (Monetary) |
As Of |
Credit |
cgg:ImpactOnNetDebtByClosingExchangeRate |
| 1535 |
Forward exchange contracts outstanding |
Concept (Decimal) |
As Of |
|
cgg:ForwardExchangeContractsOutstanding |
| 1536 |
Gross debt percentage |
Concept (Percent) |
For Period |
|
cgg:GrossDebtPercentage |
| 1537 |
Net liability exposure |
Concept (Monetary) |
As Of |
Debit |
cgg:NetFinancialAssetsLiabilitiesAfterHedging |
| 1538 |
Average interest rate |
Concept (Percent) |
For Period |
|
cgg:AverageEffectiveInterestRate |
| 1539 |
Concentration risk revenue percentage |
Concept (Percent) |
For Period |
|
ifrs-full:PercentageOfEntitysRevenue |
| 1540 |
Maturity date |
Concept (Text/String) |
For Period |
|
cgg:BorrowingsMaturityDates |
| 1541 |
Discount of nominal value on borrowings |
Concept (Percent) |
For Period |
|
cgg:DiscountOfNominalValueOnBorrowingsInterestRate |
| 1542 |
Borrowings interest rate |
Concept (Percent) |
As Of |
|
cgg:RateUsedForFairValueCalculation |
| 1543 |
1136 - Disclosure - Financial Instruments - Summary of Exchange Rate Exposure (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureFinancialInstrumentsSummaryOfExchangeRateExposure |
| 1544 |
Disclosure of detailed information about financial instruments [Table] |
Table |
* |
* |
ifrs-full:DisclosureOfFinancialInstrumentsTable |
| 1545 |
Currency [Axis] |
Axis |
|
|
cgg:CurrencyAxis |
| 1546 |
Currency [Domain] |
Member |
|
|
cgg:CurrencyDomain |
| 1547 |
US$ [member] |
Member |
|
|
currency:USD |
| 1548 |
EUR [member] |
Member |
|
|
currency:EUR |
| 1549 |
Disclosure of detailed information about financial instruments [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfFinancialInstrumentsLineItems |
| 1550 |
Assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:FinancialAssets |
| 1551 |
Liabilities |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:FinancialLiabilities |
| 1552 |
Currency commitments |
Concept (Monetary) |
As Of |
Debit |
cgg:NetFinancialAssetsLiabilitiesCurrencyCommitments |
| 1553 |
Net position before hedging |
Concept (Monetary) |
As Of |
Debit |
cgg:NetFinancialAssetsLiabilitiesBeforeHedging |
| 1554 |
Off-balance sheet positions |
Concept (Monetary) |
As Of |
Debit |
cgg:NetFinancialAssetsLiabilitiesOffBalanceSheet |
| 1555 |
Net position after hedging |
Concept (Monetary) |
As Of |
Debit |
cgg:NetFinancialAssetsLiabilitiesAfterHedging |
| 1556 |
1137 - Disclosure - Financial Instruments - Summary of Effects of Forward Exchange Contracts on Financial Statements (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureFinancialInstrumentsSummaryOfEffectsOfForwardExchangeContractsOnFinancialStatements |
| 1557 |
Implied Table |
Table |
* |
* |
implied:Table |
| 1558 |
Disclosure of detailed information about financial instruments [Abstract] |
Abstract |
|
|
ifrs-full:DisclosureOfFinancialInstrumentsAbstract |
| 1559 |
Carrying value of forward exchange contracts |
Concept (Monetary) |
As Of |
Credit |
cgg:CarryingValueOfForwardExchangeContracts |
| 1560 |
Gains (losses) recognized in profit and loss |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:GainsLossesOnIneffectivenessOfCashFlowHedgesRecognisedInProfitOrLoss |
| 1561 |
Gains (losses) recognized directly in equity |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:GainsLossesOnChangeInValueOfForwardElementsOfForwardContractsNetOfTax |
| 1562 |
1138 - Disclosure - Financial Instruments - Summary of Variable Interest Rate Exposure by Maturity (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureFinancialInstrumentsSummaryOfVariableInterestRateExposureByMaturity |
| 1563 |
Disclosure of financial instruments by type of interest rate [Table] |
Table |
* |
* |
ifrs-full:DisclosureOfFinancialInstrumentsByTypeOfInterestRateTable |
| 1564 |
Maturity [Axis] |
Axis |
|
|
ifrs-full:MaturityAxis |
| 1565 |
Aggregated time bands [Member] |
Member |
|
|
ifrs-full:AggregatedTimeBandsMember |
| 1566 |
Less than 1 Year [Member] |
Member |
|
|
ifrs-full:NotLaterThanOneYearMember |
| 1567 |
1 to 2 years [member] |
Member |
|
|
ifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMember |
| 1568 |
3 to 5 years [member] |
Member |
|
|
ifrs-full:LaterThanThreeYearsAndNotLaterThanFiveYearsMember |
| 1569 |
After 5 years [member] |
Member |
|
|
ifrs-full:LaterThanFiveYearsMember |
| 1570 |
Types of interest rates [axis] |
Axis |
|
|
ifrs-full:TypesOfInterestRatesAxis |
| 1571 |
Interest rate types [Member] |
Member |
|
|
ifrs-full:InterestRateTypesMember |
| 1572 |
Fix rate [Member] |
Member |
|
|
ifrs-full:FixedInterestRateMember |
| 1573 |
Variable Rate [member] |
Member |
|
|
ifrs-full:FloatingInterestRateMember |
| 1574 |
Disclosure of financial instruments by type of interest rate [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfFinancialInstrumentsByTypeOfInterestRateLineItems |
| 1575 |
Financial assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:FinancialAssets |
| 1576 |
Financial liabilities |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:FinancialLiabilities |
| 1577 |
Net position before hedging |
Concept (Monetary) |
As Of |
Debit |
cgg:NetFinancialAssetsLiabilitiesBeforeHedging |
| 1578 |
Off-balance sheet position |
Concept (Monetary) |
As Of |
Debit |
cgg:NetFinancialAssetsLiabilitiesOffBalanceSheet |
| 1579 |
Net position after hedging |
Concept (Monetary) |
As Of |
Debit |
cgg:NetFinancialAssetsLiabilitiesAfterHedging |
| 1580 |
1139 - Disclosure - Financial Instruments - Summary of Variable Interest Rate Exposure over Financial Assets and Liabilities (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureFinancialInstrumentsSummaryOfVariableInterestRateExposureOverFinancialAssetsAndLiabilities |
| 1581 |
Disclosure of detailed information about financial instruments [Table] |
Table |
* |
* |
ifrs-full:DisclosureOfFinancialInstrumentsTable |
| 1582 |
Range [Axis] |
Axis |
|
|
ifrs-full:RangeAxis |
| 1583 |
Ranges [Member] |
Member |
|
|
ifrs-full:RangesMember |
| 1584 |
Top of Range [Member] |
Member |
|
|
ifrs-full:TopOfRangeMember |
| 1585 |
Bottom of Range [Member] |
Member |
|
|
ifrs-full:BottomOfRangeMember |
| 1586 |
Types of risks [Axis] |
Axis |
|
|
ifrs-full:TypesOfRisksAxis |
| 1587 |
Risks [Member] |
Member |
|
|
ifrs-full:TypesOfRisksMember |
| 1588 |
Interest Rate Risk [Member] |
Member |
|
|
ifrs-full:InterestRateRiskMember |
| 1589 |
Disclosure of detailed information about financial instruments [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfFinancialInstrumentsLineItems |
| 1590 |
Impact on result before tax |
Concept (Monetary) |
For Period |
Credit |
cgg:ImpactOnResultBeforeTax |
| 1591 |
Impact on shareholders' equity before tax |
Concept (Monetary) |
For Period |
Credit |
cgg:ImpactOnShareholdersEquityBeforeTax |
| 1592 |
1140 - Disclosure - Financial Instruments - Summary of Financial Instruments by Categories in Statement of Financial Position (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureFinancialInstrumentsSummaryOfFinancialInstrumentsByCategoriesInStatementOfFinancialPosition |
| 1593 |
Disclosure of detailed information about financial instruments [Table] |
Table |
* |
* |
ifrs-full:DisclosureOfFinancialInstrumentsTable |
| 1594 |
Categories of financial assets [Axis] |
Axis |
|
|
ifrs-full:CategoriesOfFinancialAssetsAxis |
| 1595 |
Financial assets, category [Member] |
Member |
|
|
ifrs-full:FinancialAssetsCategoryMember |
| 1596 |
Loans receivables [member] |
Member |
|
|
ifrs-full:LoansAndReceivablesCategoryMember |
| 1597 |
Fair value in income statement [member] |
Member |
|
|
ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember |
| 1598 |
Available-for-sale assets [member] |
Member |
|
|
ifrs-full:FinancialAssetsAvailableforsaleCategoryMember |
| 1599 |
Levels of fair value hierarchy [axis] |
Axis |
|
|
ifrs-full:LevelsOfFairValueHierarchyAxis |
| 1600 |
All levels of fair value hierarchy [Member] |
Member |
|
|
ifrs-full:AllLevelsOfFairValueHierarchyMember |
| 1601 |
Level 3 [member] |
Member |
|
|
ifrs-full:Level3OfFairValueHierarchyMember |
| 1602 |
Level 2 [member] |
Member |
|
|
ifrs-full:Level2OfFairValueHierarchyMember |
| 1603 |
Classes of financial liabilities [Axis] |
Axis |
|
|
ifrs-full:ClassesOfFinancialLiabilitiesAxis |
| 1604 |
Financial liabilities, class [Member] |
Member |
|
|
ifrs-full:FinancialLiabilitiesMember |
| 1605 |
Lease Liabilities [member] |
Member |
|
|
ifrs-full:FinancialLiabilitiesAtFairValueMember |
| 1606 |
Classes of financial assets [Axis] |
Axis |
|
|
ifrs-full:ClassesOfFinancialAssetsAxis |
| 1607 |
Financial assets, class [Member] |
Member |
|
|
ifrs-full:FinancialAssetsMember |
| 1608 |
Financial assets at fair value, class [member] |
Member |
|
|
ifrs-full:FinancialAssetsAtFairValueMember |
| 1609 |
Categories of financial liabilities [Axis] |
Axis |
|
|
ifrs-full:CategoriesOfFinancialLiabilitiesAxis |
| 1610 |
Financial liabilities, category [Member] |
Member |
|
|
ifrs-full:FinancialLiabilitiesCategoryMember |
| 1611 |
Financial liabilities at fair value through profit or loss, category [member] |
Member |
|
|
ifrs-full:FinancialLiabilitiesAtFairValueThroughProfitOrLossCategoryMember |
| 1612 |
Debts at amortized cost [member] |
Member |
|
|
ifrs-full:FinancialLiabilitiesAtAmortisedCostCategoryMember |
| 1613 |
Disclosure of detailed information about financial instruments [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfFinancialInstrumentsLineItems |
| 1614 |
Non-consolidated investments |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:InvestmentsOtherThanInvestmentsAccountedForUsingEquityMethod |
| 1615 |
Financial and non-current assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:NoncurrentFinancialAssets |
| 1616 |
Notes receivables |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:TradeAndOtherReceivables |
| 1617 |
Cash equivalents |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CashEquivalents |
| 1618 |
Cash |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:Cash |
| 1619 |
Total assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:FinancialAssets |
| 1620 |
Financial debts (see note 13) |
Concept (Monetary) |
As Of |
Credit |
cgg:FinancialDebtExcludingAccruedInterests |
| 1621 |
Bank overdraft facilities |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:BankOverdraftsClassifiedAsCashEquivalents |
| 1622 |
Notes payables |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:TradeAndOtherPayables |
| 1623 |
Total liabilities |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:FinancialLiabilities |
| 1624 |
1141 - Disclosure - Common Stock and Stock Option Plans (Common Stock - Rights and Privileges Related to Ordinary Shares, Issued Shares, Reverse Stock Split, and Change of Nominal Value of Ordinary Shares) - Additional Information (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureCommonStockAndStockOptionPlansCommonStockRightsAndPrivilegesRelatedToOrdinarySharesIssuedSharesReverseStockSplitAndChangeOfNominalValueOfOrdinarySharesAdditionalInfo_Xa |
| 1625 |
Implied Table |
Table |
* |
* |
implied:Table |
| 1626 |
Disclosure of classes of share capital [Abstract] |
Abstract |
|
|
ifrs-full:DisclosureOfClassesOfShareCapitalAbstract |
| 1627 |
Number of shares outstanding |
Concept (Shares) |
As Of |
|
ifrs-full:NumberOfSharesOutstanding |
| 1628 |
Nominal value of price per share |
Concept (Share) |
As Of |
|
ifrs-full:ParValuePerShare |
| 1629 |
Retained earnings |
Concept (Monetary) |
As Of |
Credit |
cgg:RetainedEarningsAvailableForDistribution |
| 1630 |
Dividends paid |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:DividendsPaidOrdinaryShares |
| 1631 |
Final gross proceed through distribution of preferential subscription |
Concept (Monetary) |
As Of |
Credit |
cgg:GrossIssueOfEquity |
| 1632 |
Additional shares issued |
Concept (Shares) |
For Period |
|
ifrs-full:IncreaseDecreaseInNumberOfOrdinarySharesIssued |
| 1633 |
Net proceeds of the issuance amount |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ProceedsFromIssuingShares |
| 1634 |
Fair value of share issues |
Concept (Shares) |
As Of |
|
ifrs-full:NumberOfSharesIssued |
| 1635 |
Total share capital of nominal shares |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:IssuedCapital |
| 1636 |
Former shares required to get new shares |
Concept (Pure) |
As Of |
|
cgg:StockholdersEquityNoteStockSplitConversionRatio2 |
| 1637 |
Price per shares of share newly issued |
Concept (Share) |
As Of |
|
cgg:PricePerSharesOfNewlyExchangedShares |
| 1638 |
Share capital value reduction |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ReductionOfIssuedCapital |
| 1639 |
1142 - Disclosure - Common Stock and Stock Option Plans - Additional Information (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureCommonStockAndStockOptionPlansAdditionalInformation |
| 1640 |
Disclosure of terms and conditions of share-based payment arrangement [Table] |
Table |
* |
* |
ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable |
| 1641 |
Types of share-based payment arrangements [Axis] |
Axis |
|
|
ifrs-full:TypesOfSharebasedPaymentArrangementsAxis |
| 1642 |
Share-based payment arrangements [Member] |
Member |
|
|
ifrs-full:SharebasedPaymentArrangementsMember |
| 1643 |
Stock options plan [member] |
Member |
|
|
cgg:StockOptionsPlanOneMember |
| 1644 |
Stock options plan two [member] |
Member |
|
|
cgg:StockOptionsPlanTwoMember |
| 1645 |
Performance Units Allocation Plan [Member] |
Member |
|
|
cgg:PerformanceUnitsAllocationPlanMember |
| 1646 |
Stock options plan three [member] |
Member |
|
|
cgg:StockOptionsPlanThreeMember |
| 1647 |
Creation date [Axis] |
Axis |
|
|
ifrs-full:CreationDateAxis |
| 1648 |
Default financial statements date [Member] |
Member |
|
|
ifrs-full:DefaultFinancialStatementsDateMember |
| 1649 |
2010 [member] |
Member |
|
|
cgg:TwoThousandTenMember |
| 1650 |
2013 [member] |
Member |
|
|
cgg:TwoThousandThirteenMember |
| 1651 |
2014 [member] |
Member |
|
|
cgg:TwoThousandFourteenMember |
| 1652 |
2015 [member] |
Member |
|
|
cgg:TwoThousandFifteenMember |
| 1653 |
2016 [member] |
Member |
|
|
cgg:TwoThousandSixteenMember |
| 1654 |
2012 [member] |
Member |
|
|
cgg:TwoThousandTwelveMember |
| 1655 |
2011 [member] |
Member |
|
|
cgg:TwoThousandElevenMember |
| 1656 |
Categories of related parties [Axis] |
Axis |
|
|
ifrs-full:CategoriesOfRelatedPartiesAxis |
| 1657 |
Entity's total for related parties [Member] |
Member |
|
|
ifrs-full:EntitysTotalForRelatedPartiesMember |
| 1658 |
Beneficiaries [Member] |
Member |
|
|
cgg:BeneficiariesMember |
| 1659 |
Chairman and Chief Executive Officer [Member] |
Member |
|
|
cgg:ChairmanAndChiefExecutiveOfficerMember |
| 1660 |
Other Corporate Committee Members [Member] |
Member |
|
|
cgg:OtherCorporateCommitteeMembersMember |
| 1661 |
Employees [Member] |
Member |
|
|
cgg:EmployeesMember |
| 1662 |
Chief Executive Officer 1 [Member] |
Member |
|
|
cgg:ChiefExecutiveOfficer1Member |
| 1663 |
Corporate Officers [Member] |
Member |
|
|
cgg:CorporateOfficersMember |
| 1664 |
Chief Executive Officer and Corporate Officers [Member] |
Member |
|
|
cgg:ChiefExecutiveOfficerAndCorporateOfficersMember |
| 1665 |
Executive Committee [member] |
Member |
|
|
cgg:ExecutiveCommitteeMember |
| 1666 |
Chairman [member] |
Member |
|
|
cgg:ChairmanMember |
| 1667 |
Disclosure of terms and conditions of share-based payment arrangement [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems |
| 1668 |
Number of stock option |
Concept (Decimal) |
For Period |
|
ifrs-full:NumberOfShareOptionsGrantedInSharebasedPaymentArrangement |
| 1669 |
Share-based payment arrangement, date of grant |
Concept (Text/String) |
For Period |
|
ifrs-full:DateOfGrantOfSharebasedPaymentArrangement |
| 1670 |
Stock option exercise price |
Concept (Monetary) |
As Of |
|
ifrs-full:ExercisePriceOfOutstandingShareOptions |
| 1671 |
Stock options expire |
Concept (Date) |
For Period |
|
cgg:StockOptionsExpirationDate |
| 1672 |
Percentage options vested |
Concept (Text/String) |
For Period |
|
ifrs-full:DescriptionOfVestingRequirementsForSharebasedPaymentArrangement |
| 1673 |
Option duration |
Concept (Decimal) |
For Period |
|
ifrs-full:DescriptionOfOptionLifeShareOptionsGranted |
| 1674 |
Weighted average share price |
Concept (Monetary) |
For Period |
|
ifrs-full:WeightedAverageSharePrice |
| 1675 |
Number of performance units |
Concept (Decimal) |
For Period |
|
ifrs-full:NumberOfInstrumentsOtherEquityInstrumentsGranted |
| 1676 |
Percentage of global allocation |
Concept (Percent) |
For Period |
|
cgg:PercentageOfGlobalAllocation |
| 1677 |
1143 - Disclosure - Common Stock and Stock Option Plans - Summary of Information Related to Options Outstanding (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureCommonStockAndStockOptionPlansSummaryOfInformationRelatedToOptionsOutstanding |
| 1678 |
Disclosure of number and weighted average remaining contractual life of outstanding share options [Table] |
Table |
* |
* |
ifrs-full:DisclosureOfNumberAndWeightedAverageRemainingContractualLifeOfOutstandingShareOptionsTable |
| 1679 |
Creation date [Axis] |
Axis |
|
|
ifrs-full:CreationDateAxis |
| 1680 |
Default financial statements date [Member] |
Member |
|
|
ifrs-full:DefaultFinancialStatementsDateMember |
| 1681 |
2010 [member] |
Member |
|
|
cgg:TwoThousandTenMember |
| 1682 |
2011 [member] |
Member |
|
|
cgg:TwoThousandElevenMember |
| 1683 |
2012 [member] |
Member |
|
|
cgg:TwoThousandTwelveMember |
| 1684 |
2013 [member] |
Member |
|
|
cgg:TwoThousandThirteenMember |
| 1685 |
2014 [member] |
Member |
|
|
cgg:TwoThousandFourteenMember |
| 1686 |
2015 [member] |
Member |
|
|
cgg:TwoThousandFifteenMember |
| 1687 |
2016 [member] |
Member |
|
|
cgg:TwoThousandSixteenMember |
| 1688 |
Types of share-based payment arrangements [Axis] |
Axis |
|
|
ifrs-full:TypesOfSharebasedPaymentArrangementsAxis |
| 1689 |
Share-based payment arrangements [Member] |
Member |
|
|
ifrs-full:SharebasedPaymentArrangementsMember |
| 1690 |
Stock options plan [member] |
Member |
|
|
cgg:StockOptionsPlanOneMember |
| 1691 |
Stock options plan two [member] |
Member |
|
|
cgg:StockOptionsPlanTwoMember |
| 1692 |
Stock options plan three [member] |
Member |
|
|
cgg:StockOptionsPlanThreeMember |
| 1693 |
Share based payment award date [Axis] |
Axis |
|
|
cgg:ShareBasedPaymentAwardDateAxis |
| 1694 |
Share based payment award date [Domain] |
Member |
|
|
cgg:ShareBasedPaymentAwardDateDomain |
| 1695 |
October 2012 Stock Options [Member] |
Member |
|
|
cgg:OctoberTwoThousandTwelveStockOptionsMember |
| 1696 |
February 2016 Stock Options [Member] |
Member |
|
|
cgg:FebruaryTwoThousandSixteenStockOptionsMember |
| 1697 |
July 2016 Stock Options [Member] |
Member |
|
|
cgg:JulyTwoThousandSixteenStockOptionsMember |
| 1698 |
Disclosure of range of exercise prices of outstanding share options [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfRangeOfExercisePricesOfOutstandingShareOptionsLineItems |
| 1699 |
Options granted after capital operations |
Concept (Shares) |
For Period |
|
cgg:NumberOfShareOptionsGrantedInSharebasedPayment |
| 1700 |
Total options granted |
Concept (Decimal) |
For Period |
|
cgg:NumberOfShareOptionsGrantedInSharebasedPaymentArrangementAtGrantDate |
| 1701 |
Options granted |
Concept (Decimal) |
For Period |
|
ifrs-full:NumberOfShareOptionsGrantedInSharebasedPaymentArrangement |
| 1702 |
Adjustment of number of options |
Concept (Decimal) |
As Of |
|
ifrs-full:NumberOfOutstandingShareOptions |
| 1703 |
Exercise price before adjustment per share |
Concept (Monetary) |
As Of |
|
ifrs-full:ExercisePriceOfOutstandingShareOptions |
| 1704 |
Expiration date |
Concept (Date) |
For Period |
|
cgg:StockOptionsExpirationDate |
| 1705 |
Remaining duration |
Concept (Decimal) |
As Of |
|
cgg:RemainingContractualLifeOfOutstandingShareOptions |
| 1706 |
1144 - Disclosure - Common Stock and Stock Option Plans - Summary of Company's Stock Option Activity, and Related Information (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureCommonStockAndStockOptionPlansSummaryOfCompanysStockOptionActivityAndRelatedInformation |
| 1707 |
Implied Table |
Table |
* |
* |
implied:Table |
| 1708 |
Disclosure of number and weighted average remaining contractual life of outstanding share options [Abstract] |
Abstract |
|
|
ifrs-full:DisclosureOfNumberAndWeightedAverageRemainingContractualLifeOfOutstandingShareOptionsAbstract |
| 1709 |
Number of options, Outstanding-beginning of year |
Concept (Decimal) |
As Of |
|
ifrs-full:NumberOfOutstandingShareOptions |
| 1710 |
Number of options, Granted |
Concept (Decimal) |
For Period |
|
ifrs-full:NumberOfShareOptionsGrantedInSharebasedPaymentArrangement |
| 1711 |
Number of options, Adjustments followings the reverse split |
Concept (Decimal) |
For Period |
|
cgg:AdjustmentsFollowingsTheReverseSplit |
| 1712 |
Number of options, Adjustments followings the capital increase |
Concept (Decimal) |
For Period |
|
cgg:AdjustmentsFollowingsTheCapitalIncrease |
| 1713 |
Number of options, Exercised |
Concept (Decimal) |
For Period |
|
ifrs-full:NumberOfShareOptionsExercisedInSharebasedPaymentArrangement |
| 1714 |
Number of options, Forfeited |
Concept (Decimal) |
For Period |
|
ifrs-full:NumberOfShareOptionsForfeitedInSharebasedPaymentArrangement |
| 1715 |
Number of options, Outstanding-end of year |
Concept (Decimal) |
As Of |
|
ifrs-full:NumberOfOutstandingShareOptions |
| 1716 |
Number of options, Exercisable-end of year |
Concept (Decimal) |
As Of |
|
ifrs-full:NumberOfShareOptionsExercisableInSharebasedPaymentArrangement |
| 1717 |
Weighted average exercise price of options, Outstanding-beginning of year |
Concept (Monetary) |
As Of |
|
ifrs-full:WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement |
| 1718 |
Weighted average exercise price of options, Granted |
Concept (Monetary) |
For Period |
|
ifrs-full:WeightedAverageExercisePriceOfShareOptionsGrantedInSharebasedPaymentArrangement |
| 1719 |
Weighted average exercise price of options, Adjustments followings the reverse split |
Concept (Monetary) |
For Period |
|
cgg:WeightedAverageExercisePriceOfShareOptionsAdjustmentsFollowingsTheReverseSplit |
| 1720 |
Weighted average exercise price of options, Adjustments followings the capital increase |
Concept (Monetary) |
For Period |
|
cgg:WeightedAverageExercisePriceOfShareOptionsAdjustmentsFollowingsTheCapitalIncrease |
| 1721 |
Weighted average exercise price of options, Exercised |
Concept (Monetary) |
For Period |
|
ifrs-full:WeightedAverageExercisePriceOfShareOptionsExercisedInSharebasedPaymentArrangement |
| 1722 |
Weighted average exercise price of options, Forfeited |
Concept (Monetary) |
For Period |
|
ifrs-full:WeightedAverageExercisePriceOfShareOptionsForfeitedInSharebasedPaymentArrangement |
| 1723 |
Weighted average exercise price of options, Outstanding-end of year |
Concept (Monetary) |
As Of |
|
ifrs-full:WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement |
| 1724 |
Weighted average exercise price of options, Exercisable-end of year |
Concept (Monetary) |
As Of |
|
ifrs-full:WeightedAverageExercisePriceOfShareOptionsExercisableInSharebasedPaymentArrangement |
| 1725 |
1145 - Disclosure - Common Stock and Stock Option Plans - Summary of Assumptions Used To Value Options Plans (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureCommonStockAndStockOptionPlansSummaryOfAssumptionsUsedToValueOptionsPlans |
| 1726 |
Disclosure of number and weighted average remaining contractual life of outstanding share options [Table] |
Table |
* |
* |
ifrs-full:DisclosureOfNumberAndWeightedAverageRemainingContractualLifeOfOutstandingShareOptionsTable |
| 1727 |
Types of share-based payment arrangements [Axis] |
Axis |
|
|
ifrs-full:TypesOfSharebasedPaymentArrangementsAxis |
| 1728 |
Share-based payment arrangements [Member] |
Member |
|
|
ifrs-full:SharebasedPaymentArrangementsMember |
| 1729 |
Stock options plan [member] |
Member |
|
|
cgg:StockOptionsPlanOneMember |
| 1730 |
Performance Units Allocation Plan [Member] |
Member |
|
|
cgg:PerformanceUnitsAllocationPlanMember |
| 1731 |
Creation date [Axis] |
Axis |
|
|
ifrs-full:CreationDateAxis |
| 1732 |
Default financial statements date [Member] |
Member |
|
|
ifrs-full:DefaultFinancialStatementsDateMember |
| 1733 |
2015 [member] |
Member |
|
|
cgg:TwoThousandFifteenMember |
| 1734 |
2016 [member] |
Member |
|
|
cgg:TwoThousandSixteenMember |
| 1735 |
Disclosure of range of exercise prices of outstanding share options [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfRangeOfExercisePricesOfOutstandingShareOptionsLineItems |
| 1736 |
Options granted |
Concept (Decimal) |
For Period |
|
ifrs-full:NumberOfShareOptionsGrantedInSharebasedPaymentArrangement |
| 1737 |
Volatility |
Concept (Percent) |
For Period |
|
ifrs-full:DescriptionOfExpectedVolatilityShareOptionsGranted |
| 1738 |
Risk- free rate |
Concept (Percent) |
For Period |
|
ifrs-full:DescriptionOfRiskFreeInterestRateShareOptionsGranted |
| 1739 |
Exercise price per share |
Concept (Monetary) |
For Period |
|
ifrs-full:ExercisePriceShareOptionsGranted |
| 1740 |
Estimated Maturity (years) |
Concept (Decimal) |
For Period |
|
ifrs-full:DescriptionOfOptionLifeShareOptionsGranted |
| 1741 |
Fair value per share at the grant date |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:WeightedAverageFairValueAtMeasurementDateShareOptionsGranted |
| 1742 |
Dividends yields |
Concept (Percent) |
For Period |
|
ifrs-full:ExpectedDividendAsPercentageShareOptionsGranted |
| 1743 |
Performance shares granted |
Concept (Decimal) |
For Period |
|
ifrs-full:NumberOfInstrumentsOtherEquityInstrumentsGranted |
| 1744 |
Achievement of performance Conditions |
Concept (Percent) |
For Period |
|
cgg:PercentageOfAchievementOfPerformanceConditions |
| 1745 |
Fair value per share at the grant date |
Concept (Monetary) |
For Period |
|
ifrs-full:WeightedAverageExercisePriceOfOtherEquityInstrumentsGrantedInSharebasedPaymentArrangement |
| 1746 |
Dividends yields |
Concept (Percent) |
For Period |
|
cgg:ExpectedDividendAsPercentageOtherEquityInstrumentsGrantedInSharebasedPaymentArrangement |
| 1747 |
1146 - Disclosure - Common Stock and Stock Option Plans - Summary of Fair Value of Stock Options and Performance Shares and Units Granted Recognized As Expense (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureCommonStockAndStockOptionPlansSummaryOfFairValueOfStockOptionsAndPerformanceSharesAndUnitsGrantedRecognizedAsExpense |
| 1748 |
Disclosure of number and weighted average remaining contractual life of outstanding share options [Table] |
Table |
* |
* |
ifrs-full:DisclosureOfNumberAndWeightedAverageRemainingContractualLifeOfOutstandingShareOptionsTable |
| 1749 |
Types of share-based payment arrangements [Axis] |
Axis |
|
|
ifrs-full:TypesOfSharebasedPaymentArrangementsAxis |
| 1750 |
Share-based payment arrangements [Member] |
Member |
|
|
ifrs-full:SharebasedPaymentArrangementsMember |
| 1751 |
Stock options plan [member] |
Member |
|
|
cgg:StockOptionsPlanOneMember |
| 1752 |
Performance Units Allocation Plan [Member] |
Member |
|
|
cgg:PerformanceUnitsAllocationPlanMember |
| 1753 |
Categories of related parties [Axis] |
Axis |
|
|
ifrs-full:CategoriesOfRelatedPartiesAxis |
| 1754 |
Entity's total for related parties [Member] |
Member |
|
|
ifrs-full:EntitysTotalForRelatedPartiesMember |
| 1755 |
Executive Managers [Member] |
Member |
|
|
cgg:ExecutiveManagersMember |
| 1756 |
Creation date [Axis] |
Axis |
|
|
ifrs-full:CreationDateAxis |
| 1757 |
Default financial statements date [Member] |
Member |
|
|
ifrs-full:DefaultFinancialStatementsDateMember |
| 1758 |
2012 [member] |
Member |
|
|
cgg:TwoThousandTwelveMember |
| 1759 |
2013 [member] |
Member |
|
|
cgg:TwoThousandThirteenMember |
| 1760 |
2014 [member] |
Member |
|
|
cgg:TwoThousandFourteenMember |
| 1761 |
2015 [member] |
Member |
|
|
cgg:TwoThousandFifteenMember |
| 1762 |
2016 [member] |
Member |
|
|
cgg:TwoThousandSixteenMember |
| 1763 |
Disclosure of Fair Value of Stock Options and Performance Shares and Units Granted Recognized as Expense Over Life of Plan [line items] |
LineItems |
|
|
cgg:DisclosureOfFairValueOfStockOptionsAndPerformanceSharesAndUnitsGrantedRecognizedAsExpenseOverLifeOfPlanLineItems |
| 1764 |
IFRS 2 total expense |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ExpenseFromEquitysettledSharebasedPaymentTransactionsInWhichGoodsOrServicesReceivedDidNotQualifyForRecognitionAsAssets |
| 1765 |
1147 - Disclosure - Provisions - Summary of Reconciliation of Provisions (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureProvisionsSummaryOfReconciliationOfProvisions |
| 1766 |
Disclosure of other provisions [Table] |
Table |
* |
* |
ifrs-full:DisclosureOfOtherProvisionsTable |
| 1767 |
Classes of liabilities [Axis] |
Axis |
|
|
ifrs-full:ClassesOfLiabilitiesAxis |
| 1768 |
Liabilities [Member] |
Member |
|
|
ifrs-full:LiabilitiesMember |
| 1769 |
Current Provision [Member] |
Member |
|
|
cgg:CurrentProvisionMember |
| 1770 |
Non-current Provision [Member] |
Member |
|
|
cgg:NoncurrentProvisionMember |
| 1771 |
Classes of other provisions [Axis] |
Axis |
|
|
ifrs-full:ClassesOfProvisionsAxis |
| 1772 |
Other provisions [Member] |
Member |
|
|
ifrs-full:OtherProvisionsMember |
| 1773 |
Restructuring Provision [Member] |
Member |
|
|
ifrs-full:RestructuringProvisionMember |
| 1774 |
Onerous Contracts Provision [Member] |
Member |
|
|
ifrs-full:OnerousContractsProvisionMember |
| 1775 |
Legal Proceedings Provision [Member] |
Member |
|
|
ifrs-full:LegalProceedingsProvisionMember |
| 1776 |
Miscellaneous Other Provisions [Member] |
Member |
|
|
ifrs-full:MiscellaneousOtherProvisionsMember |
| 1777 |
Provisions for Demobilization Costs [Member] |
Member |
|
|
cgg:DemobilizationCostsProvisionsMember |
| 1778 |
Provisions for Cash-settled Share-based Payment Arrangements [Member] |
Member |
|
|
cgg:CashsettledSharebasedPaymentArrangementsProvisionsMember |
| 1779 |
Retirement Indemnity Provisions [Member] |
Member |
|
|
cgg:RetirementIndemnityProvisionsMember |
| 1780 |
Provisions for Tax Contingencies [Member] |
Member |
|
|
ifrs-full:ProvisionForTaxesOtherThanIncomeTaxMember |
| 1781 |
Customers Guarantee Provisions [Member] |
Member |
|
|
cgg:CustomersGuaranteeProvisionsMember |
| 1782 |
Disclosure of other provisions [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfOtherProvisionsLineItems |
| 1783 |
Balance at beginning of year |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:Provisions |
| 1784 |
Additions |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:AdditionalProvisionsOtherProvisions |
| 1785 |
Deductions (used) |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ProvisionUsedOtherProvisions |
| 1786 |
Deductions (unused) |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:UnusedProvisionReversedOtherProvisions |
| 1787 |
Unwinding of the discount |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:IncreaseDecreaseThroughChangeInDiscountRateOtherProvisions |
| 1788 |
Others |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:IncreaseDecreaseThroughTransfersAndOtherChangesOtherProvisions |
| 1789 |
Balance at end of period |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:Provisions |
| 1790 |
1148 - Disclosure - Provisions - Additional Information (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureProvisionsAdditionalInformation |
| 1791 |
Disclosure of other provisions [Table] |
Table |
* |
* |
ifrs-full:DisclosureOfOtherProvisionsTable |
| 1792 |
Defined benefit plans [Axis] |
Axis |
|
|
ifrs-full:DefinedBenefitPlansAxis |
| 1793 |
Defined benefit plans [Member] |
Member |
|
|
ifrs-full:DefinedBenefitPlansMember |
| 1794 |
Supplemental Pension and Retirement Plan [Member] |
Member |
|
|
cgg:SupplementalPensionAndRetirementPlanMember |
| 1795 |
Domestic Defined Benefit Plans [Member] |
Member |
|
|
ifrs-full:DomesticDefinedBenefitPlansMember |
| 1796 |
Range [Axis] |
Axis |
|
|
ifrs-full:RangeAxis |
| 1797 |
Ranges [Member] |
Member |
|
|
ifrs-full:RangesMember |
| 1798 |
Bottom of Range [Member] |
Member |
|
|
ifrs-full:BottomOfRangeMember |
| 1799 |
Top of Range [Member] |
Member |
|
|
ifrs-full:TopOfRangeMember |
| 1800 |
Components of equity [Axis] |
Axis |
|
|
ifrs-full:ComponentsOfEquityAxis |
| 1801 |
Equity [Member] |
Member |
|
|
ifrs-full:EquityMember |
| 1802 |
Reserve of Remeasurements of Defined Benefit Plans [Member] |
Member |
|
|
ifrs-full:ReserveOfRemeasurementsOfDefinedBenefitPlansMember |
| 1803 |
Actuarial assumptions [Axis] |
Axis |
|
|
ifrs-full:ActuarialAssumptionsAxis |
| 1804 |
Actuarial Assumptions [Member] |
Member |
|
|
ifrs-full:ActuarialAssumptionsMember |
| 1805 |
Actuarial Assumption of Discount Rates [Member] |
Member |
|
|
ifrs-full:ActuarialAssumptionOfDiscountRatesMember |
| 1806 |
Actuarial Assumption of Expected Rates of Salary Increases [Member] |
Member |
|
|
ifrs-full:ActuarialAssumptionOfExpectedRatesOfSalaryIncreasesMember |
| 1807 |
Geographical areas [Axis] |
Axis |
|
|
ifrs-full:GeographicalAreasAxis |
| 1808 |
Geographical areas [Member] |
Member |
|
|
ifrs-full:GeographicalAreasMember |
| 1809 |
Euro Zone [Member] |
Member |
|
|
cgg:EuroZoneMember |
| 1810 |
United Kingdom [Member] |
Member |
|
|
country:GB |
| 1811 |
Disclosure of net defined benefit liability (asset) [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfNetDefinedBenefitLiabilityAssetLineItems |
| 1812 |
Employer contribution |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ContributionsToPlanNetDefinedBenefitLiabilityAsset |
| 1813 |
Actuarial assumption, retirement age |
Concept (Decimal) |
As Of |
|
cgg:ActuarialAssumptionsOfRetirementAge |
| 1814 |
Net liability for plans |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:LiabilityAssetOfDefinedBenefitPlans |
| 1815 |
Cumulative actuarial losses recognized in other comprehensive income |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:AccumulatedOtherComprehensiveIncome |
| 1816 |
Discount rate |
Concept (Percent) |
As Of |
|
ifrs-full:ActuarialAssumptionOfDiscountRates |
| 1817 |
Percentage of possible increase in assumption |
Concept (Percent) |
As Of |
|
ifrs-full:PercentageOfReasonablyPossibleIncreaseInActuarialAssumption |
| 1818 |
Impact of possible increase in assumption |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:IncreaseDecreaseInDefinedBenefitObligationDueToReasonablyPossibleIncreaseInActuarialAssumption |
| 1819 |
Percentage of possible decrease in assumption |
Concept (Percent) |
As Of |
|
ifrs-full:PercentageOfReasonablyPossibleDecreaseInActuarialAssumption |
| 1820 |
Impact of possible decrease in assumption |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:IncreaseDecreaseInDefinedBenefitObligationDueToReasonablyPossibleDecreaseInActuarialAssumption |
| 1821 |
Insignificant impact of possible increase in assumption |
Concept (Monetary) |
As Of |
Credit |
cgg:InsignificantImpactOfPossibleIncreaseInAssumption |
| 1822 |
1149 - Disclosure - Provisions - Summary of Status of Retirement Indemnity Plans (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureProvisionsSummaryOfStatusOfRetirementIndemnityPlans |
| 1823 |
Disclosure of net defined benefit liability (asset) [Table] |
Table |
* |
* |
ifrs-full:DisclosureOfNetDefinedBenefitLiabilityAssetTable |
| 1824 |
Net defined benefit liability (asset) [Axis] |
Axis |
|
|
ifrs-full:NetDefinedBenefitLiabilityAssetAxis |
| 1825 |
Net defined benefit liability (asset) [Member] |
Member |
|
|
ifrs-full:NetDefinedBenefitLiabilityAssetMember |
| 1826 |
Present value of defined benefit obligation [member] |
Member |
|
|
ifrs-full:PresentValueOfDefinedBenefitObligationMember |
| 1827 |
Plan assets [member] |
Member |
|
|
ifrs-full:PlanAssetsMember |
| 1828 |
Disclosure of net defined benefit liability (asset) [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfNetDefinedBenefitLiabilityAssetLineItems |
| 1829 |
Amount recognized in the statement of financial position |
Abstract |
|
|
ifrs-full:DisclosureOfDefinedBenefitPlansAbstract |
| 1830 |
Present value of the obligation |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:DefinedBenefitObligationAtPresentValue |
| 1831 |
Benefit obligation at January 1 |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:DefinedBenefitObligationAtPresentValue |
| 1832 |
Fair value of plan assets at January 1 |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:PlanAssetsAtFairValue |
| 1833 |
Fair value of plan assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:PlanAssetsAtFairValue |
| 1834 |
Deficit (surplus) of funded plans |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:SurplusDeficitInPlan |
| 1835 |
Net liability (asset) recognized in the statement of financial position |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:LiabilityAssetOfDefinedBenefitPlans |
| 1836 |
Current service cost |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:CurrentServiceCostNetDefinedBenefitLiabilityAsset |
| 1837 |
Interest cost |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:InterestExpenseIncomeNetDefinedBenefitLiabilityAsset |
| 1838 |
Effects of curtailments/settlements |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:GainsLossesArisingFromSettlementsNetDefinedBenefitLiabilityAsset |
| 1839 |
Net periodic expense (profit) |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:PostemploymentBenefitExpenseDefinedBenefitPlans |
| 1840 |
Net liability at January 1 |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:LiabilityAssetOfDefinedBenefitPlans |
| 1841 |
Expense as above |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:PostemploymentBenefitExpenseDefinedBenefitPlans |
| 1842 |
Actuarial (gains)/losses recognized in other comprehensive income |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:GainLossOnRemeasurementOfNetDefinedBenefitLiabilityAsset |
| 1843 |
Contributions paid |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ContributionsToPlanNetDefinedBenefitLiabilityAsset |
| 1844 |
Past service cost |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:PastServiceCostNetDefinedBenefitLiabilityAsset |
| 1845 |
Benefits paid by the Company |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:PaymentsFromPlanNetDefinedBenefitLiabilityAsset |
| 1846 |
Consolidation scope entries and changes in exchange rate |
Concept (Monetary) |
For Period |
Credit |
cgg:IncreaseDecreaseThroughChangesInForeignExchangeRatesAndConsolidationScopeEntriesNetDefinedBenefitLiabilityAsset |
| 1847 |
Other |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:IncreaseDecreaseThroughOtherChangesNetDefinedBenefitLiabilityAsset |
| 1848 |
Net liability at December 31 |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:LiabilityAssetOfDefinedBenefitPlans |
| 1849 |
Benefit obligation at December 31 |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:DefinedBenefitObligationAtPresentValue |
| 1850 |
Fair value of plan assets at December 31(c) |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:PlanAssetsAtFairValue |
| 1851 |
Discount rate(d) |
Concept (Percent) |
As Of |
|
ifrs-full:ActuarialAssumptionOfDiscountRates |
| 1852 |
Average rate of increase in future compensation(e) |
Concept (Percent) |
As Of |
|
ifrs-full:ActuarialAssumptionOfExpectedRatesOfSalaryIncreases |
| 1853 |
1150 - Disclosure - Provisions - Summary of Status of Retirement Indemnity Plans (Parenthetical) (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureProvisionsSummaryOfStatusOfRetirementIndemnityPlansParenthetical |
| 1854 |
Implied Table |
Table |
* |
* |
implied:Table |
| 1855 |
Disclosure of net defined benefit liability (asset) [Abstract] |
Abstract |
|
|
ifrs-full:DisclosureOfNetDefinedBenefitLiabilityAssetAbstract |
| 1856 |
Net liability |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:DefinedBenefitObligationAtPresentValue |
| 1857 |
Net liability, not covered |
Concept (Monetary) |
As Of |
Credit |
cgg:NetDefinedBenefitLiabilityAssetNotCovered |
| 1858 |
Average duration of the defined benefit plan obligation |
Concept (Decimal) |
For Period |
|
ifrs-full:WeightedAverageDurationOfDefinedBenefitObligation |
| 1859 |
1151 - Disclosure - Provisions - Summary of Changes in Defined Benefit Obligation and Fair Value of Plan Assets (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureProvisionsSummaryOfChangesInDefinedBenefitObligationAndFairValueOfPlanAssets |
| 1860 |
Implied Table |
Table |
* |
* |
implied:Table |
| 1861 |
Gain (loss) on remeasurement, net defined benefit liability (asset) [Abstract] |
Abstract |
|
|
ifrs-full:GainLossOnRemeasurementOfNetDefinedBenefitLiabilityAssetAbstract |
| 1862 |
Amount recognized in the other comprehensive income |
Abstract |
|
|
cgg:AmountRecognizedInTheOtherComprehensiveIncomeAbstract |
| 1863 |
Experience adjustment |
Concept (Monetary) |
For Period |
Debit |
cgg:ExperienceAdjustmentNetDefinedBenefitLiabilityAsset |
| 1864 |
Actuarial changes arising from changes in demographic assumptions |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ActuarialGainsLossesArisingFromChangesInDemographicAssumptionsNetDefinedBenefitLiabilityAsset |
| 1865 |
Actuarial changes arising from changes in financial assumptions |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ActuarialGainsLossesArisingFromChangesInFinancialAssumptionsNetDefinedBenefitLiabilityAsset |
| 1866 |
Return on plan assets (excluding amounts included in net interest expense) |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ReturnOnPlanAssetsNetDefinedBenefitLiabilityAsset |
| 1867 |
Sub-total included in the other comprehensive income |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:GainLossOnRemeasurementOfNetDefinedBenefitLiabilityAsset |
| 1868 |
1152 - Disclosure - Provisions - Summary of Major Categories of Plan Assets (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureProvisionsSummaryOfMajorCategoriesOfPlanAssets |
| 1869 |
Implied Table |
Table |
* |
* |
implied:Table |
| 1870 |
Disclosure of fair value of plan assets [Abstract] |
Abstract |
|
|
ifrs-full:DisclosureOfFairValueOfPlanAssetsAbstract |
| 1871 |
Equity securities |
Concept (Percent) |
As Of |
|
cgg:PercentageOfEquityInstrumentsAmountContributedToFairValueOfPlanAssets |
| 1872 |
Debt securities |
Concept (Percent) |
As Of |
|
cgg:PercentageOfDebtInstrumentsAmountContributedToFairValueOfPlanAssets |
| 1873 |
Real estate |
Concept (Percent) |
As Of |
|
cgg:PercentageOfRealEstateAmountContributedToFairValueOfPlanAssets |
| 1874 |
Other |
Concept (Percent) |
As Of |
|
cgg:PercentageOfOtherAssetsAmountContributedToFairValueOfPlanAssets |
| 1875 |
1153 - Disclosure - Other Non-current Liabilities - Summary of Other Non-current Liabilities (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureOtherNoncurrentLiabilitiesSummaryOfOtherNoncurrentLiabilities |
| 1876 |
Implied Table |
Table |
* |
* |
implied:Table |
| 1877 |
Disclosure Of Other Non Current Liabilities [Abstract] |
Abstract |
|
|
cgg:DisclosureOfOtherNonCurrentLiabilitiesAbstract |
| 1878 |
Research and development subsidies |
Concept (Monetary) |
As Of |
Credit |
cgg:LiabilityOnResearchAndDevelopmentSubsidies |
| 1879 |
Profit sharing scheme |
Concept (Monetary) |
As Of |
Credit |
cgg:LiabilitiesFromProfitSharingScheme |
| 1880 |
Other non-current liabilities |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:OtherNoncurrentLiabilities |
| 1881 |
Other non-current liabilities |
Concept (Monetary) |
As Of |
Credit |
cgg:OtherNoncurrentLiabilitiesNet |
| 1882 |
1154 - Disclosure - Contractual Obligations, Commitments and Contingencies - Schedule of Status on Contractual Obligations (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureContractualObligationsCommitmentsAndContingenciesScheduleOfStatusOnContractualObligations |
| 1883 |
Implied Table |
Table |
* |
* |
implied:Table |
| 1884 |
Disclosure Of Contractual Obligations [Abstract] |
Abstract |
|
|
cgg:DisclosureOfContractualObligationsAbstract |
| 1885 |
Long-term debt obligations |
Concept (Monetary) |
As Of |
Credit |
cgg:LongtermDebtObligations |
| 1886 |
Finance lease Obligations |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:MinimumFinanceLeasePaymentsPayable |
| 1887 |
Bareboat agreements |
Concept (Monetary) |
As Of |
Credit |
cgg:BareboatAgreementsObligations |
| 1888 |
Operating leases obligations |
Concept (Monetary) |
As Of |
Credit |
cgg:OperatingLeasesObligations |
| 1889 |
Total obligations |
Concept (Monetary) |
As Of |
Credit |
cgg:ContractualObligations |
| 1890 |
1155 - Disclosure - Contractual Obligations, Commitments and Contingencies - Schedule of Status on Contractual Obligations (Parenthetical) (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureContractualObligationsCommitmentsAndContingenciesScheduleOfStatusOnContractualObligationsParenthetical |
| 1891 |
Disclosure Of Contractual Obligations [Table] |
Table |
* |
* |
cgg:DisclosureOfContractualObligationsTable |
| 1892 |
Classes of property, plant and equipment [Axis] |
Axis |
|
|
ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis |
| 1893 |
Property, Plant and Equipment [Member] |
Member |
|
|
ifrs-full:PropertyPlantAndEquipmentMember |
| 1894 |
Cold stacked seismic vessels [member] |
Member |
|
|
cgg:ColdStackedSeismicVesselsMember |
| 1895 |
Vessels Operated [Member] |
Member |
|
|
cgg:VesselsOperatedMember |
| 1896 |
Joint ventures [Axis] |
Axis |
|
|
ifrs-full:JointVenturesAxis |
| 1897 |
Entity's total for joint ventures [Member] |
Member |
|
|
ifrs-full:EntitysTotalForJointVenturesMember |
| 1898 |
Global Seismic Shipping AS [Member] |
Member |
|
|
cgg:GlobalSeismicShippingASMember |
| 1899 |
Disclosure Of Contractual Obligations [Line Items] |
LineItems |
|
|
cgg:DisclosureOfContractualObligationsLineItems |
| 1900 |
Bareboat agreement obligation amount |
Concept (Monetary) |
As Of |
Credit |
cgg:BareboatAgreementsObligations |
| 1901 |
1156 - Disclosure - Contractual Obligations, Commitments and Contingencies - Schedule of Future Periods Relating to Contractual Obligations (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureContractualObligationsCommitmentsAndContingenciesScheduleOfFuturePeriodsRelatingToContractualObligations |
| 1902 |
Presents payments in future periods relating to contractual obligations [Table] |
Table |
* |
* |
cgg:PresentsPaymentsInFuturePeriodsRelatingToContractualObligationsTable |
| 1903 |
Maturity [Axis] |
Axis |
|
|
ifrs-full:MaturityAxis |
| 1904 |
Aggregated time bands [Member] |
Member |
|
|
ifrs-full:AggregatedTimeBandsMember |
| 1905 |
Less than 1 Year [Member] |
Member |
|
|
ifrs-full:NotLaterThanOneYearMember |
| 1906 |
2 - 3 Years [member] |
Member |
|
|
ifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMember |
| 1907 |
4-5 Years [Member] |
Member |
|
|
ifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMember |
| 1908 |
After 5 years [member] |
Member |
|
|
ifrs-full:LaterThanFiveYearsMember |
| 1909 |
Presents payments in future periods relating to contractual obligations [Line Items] |
LineItems |
|
|
cgg:PresentsPaymentsInFuturePeriodsRelatingToContractualObligationsLineItems |
| 1910 |
- Repayments: fixed rates |
Concept (Monetary) |
As Of |
Credit |
cgg:RepaymentsOfLongtermDebtObligationsFixedRates |
| 1911 |
- Repayments: variables rates(a) |
Concept (Monetary) |
As Of |
Credit |
cgg:RepaymentsOfLongtermDebtObligationsVariablesRates |
| 1912 |
- Bonds and facilities interests |
Concept (Monetary) |
As Of |
Credit |
cgg:LongtermDebtObligationsBondsAndFacilitiesInterests |
| 1913 |
Total Long-term debt obligations |
Concept (Monetary) |
As Of |
Credit |
cgg:LongtermDebtObligations |
| 1914 |
- Finance lease Obligations: fixed rates |
Concept (Monetary) |
As Of |
Credit |
cgg:FinanceLeaseObligationsFixedRates |
| 1915 |
Total Finance lease obligations |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:MinimumFinanceLeasePaymentsPayable |
| 1916 |
Bareboat agreements |
Concept (Monetary) |
As Of |
Credit |
cgg:BareboatAgreementsObligations |
| 1917 |
Other operating lease agreements |
Concept (Monetary) |
As Of |
Credit |
cgg:OperatingLeasesObligations |
| 1918 |
Total Contractual Obligations(b) |
Concept (Monetary) |
As Of |
Credit |
cgg:ContractualObligations |
| 1919 |
1157 - Disclosure - Contractual Obligations, Commitments and Contingencies - Schedule of Reconciliation Between Finance Lease Obligations and Finance Lease Debts (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureContractualObligationsCommitmentsAndContingenciesScheduleOfReconciliationBetweenFinanceLeaseObligationsAndFinanceLeaseDebts |
| 1920 |
Disclosure Of Contractual Obligations [Table] |
Table |
* |
* |
cgg:DisclosureOfContractualObligationsTable |
| 1921 |
Maturity [Axis] |
Axis |
|
|
ifrs-full:MaturityAxis |
| 1922 |
Aggregated time bands [Member] |
Member |
|
|
ifrs-full:AggregatedTimeBandsMember |
| 1923 |
Less than 1 Year [Member] |
Member |
|
|
ifrs-full:NotLaterThanOneYearMember |
| 1924 |
1-5 Years [member] |
Member |
|
|
ifrs-full:LaterThanOneYearAndNotLaterThanFiveYearsMember |
| 1925 |
Disclosure Of Contractual Obligations [Line Items] |
LineItems |
|
|
cgg:DisclosureOfContractualObligationsLineItems |
| 1926 |
Finance lease Obligations |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:MinimumFinanceLeasePaymentsPayable |
| 1927 |
Discounting |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:AmountByWhichRegulatoryDeferralAccountCreditBalanceHasBeenReducedBecauseItIsNoLongerFullyReversible |
| 1928 |
Headquarters purchase option |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:AmountsPayableToTransfereeInRespectOfTransferredAssets |
| 1929 |
Finance lease debt (see note 13) |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:FinanceLeaseLiabilities |
| 1930 |
1158 - Disclosure - Contractual Obligations, Commitments and Contingencies - Additional Information (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureContractualObligationsCommitmentsAndContingenciesAdditionalInformation |
| 1931 |
Implied Table |
Table |
* |
* |
implied:Table |
| 1932 |
Disclosure Of Contractual Obligations [Abstract] |
Abstract |
|
|
cgg:DisclosureOfContractualObligationsAbstract |
| 1933 |
Rental expense |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:RentalExpense |
| 1934 |
Payment of penalty fine |
Concept (Monetary) |
For Period |
Debit |
cgg:PaymentOfPenaltyAmountSettlementAgreement |
| 1935 |
1159 - Disclosure - Contractual Obligations, Commitments and Contingencies - Summary of Guarantees (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureContractualObligationsCommitmentsAndContingenciesSummaryOfGuarantees |
| 1936 |
Implied Table |
Table |
* |
* |
implied:Table |
| 1937 |
Disclosure Of Guarantees [Abstract] |
Abstract |
|
|
cgg:DisclosureOfGuaranteesAbstract |
| 1938 |
Guarantees issued in favor of clients (guarantees issued by the Company to mainly support bids made at the subsidiaries level) |
Concept (Monetary) |
As Of |
Credit |
cgg:GuaranteesIssuedInFavorOfClients |
| 1939 |
Other guarantees and commitments issued (guarantees issued by the Company on behalf of subsidiaries and affiliated companies in favor of customs or other governmental administrations) |
Concept (Monetary) |
As Of |
Credit |
cgg:OtherGuaranteesAndCommitmentsIssued |
| 1940 |
Guarantees issued in favor of banks (mainly to support credit facilities) |
Concept (Monetary) |
As Of |
Credit |
cgg:GuaranteesIssuedInFavorOfBanks |
| 1941 |
Total |
Concept (Monetary) |
As Of |
Credit |
cgg:Guarantees |
| 1942 |
1160 - Disclosure - Contractual Obligations, Commitments and Contingencies - Summary of Duration of Guarantees and Commitments (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureContractualObligationsCommitmentsAndContingenciesSummaryOfDurationOfGuaranteesAndCommitments |
| 1943 |
Disclosure Of Guarantees [Table] |
Table |
* |
* |
cgg:DisclosureOfGuaranteesTable |
| 1944 |
Maturity [Axis] |
Axis |
|
|
ifrs-full:MaturityAxis |
| 1945 |
Aggregated time bands [Member] |
Member |
|
|
ifrs-full:AggregatedTimeBandsMember |
| 1946 |
Less than 1 Year [Member] |
Member |
|
|
ifrs-full:NotLaterThanOneYearMember |
| 1947 |
2 - 3 Years [member] |
Member |
|
|
ifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMember |
| 1948 |
4-5 Years [Member] |
Member |
|
|
ifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMember |
| 1949 |
After 5 years [member] |
Member |
|
|
ifrs-full:LaterThanFiveYearsMember |
| 1950 |
Disclosure Of Guarantees [Line Items] |
LineItems |
|
|
cgg:DisclosureOfGuaranteesLineItems |
| 1951 |
Guarantees issued in favor of clients |
Concept (Monetary) |
As Of |
Credit |
cgg:GuaranteesIssuedInFavorOfClients |
| 1952 |
Other guarantees and commitments issued |
Concept (Monetary) |
As Of |
Credit |
cgg:OtherGuaranteesAndCommitmentsIssued |
| 1953 |
Guarantees issued in favor of banks |
Concept (Monetary) |
As Of |
Credit |
cgg:GuaranteesIssuedInFavorOfBanks |
| 1954 |
Total |
Concept (Monetary) |
As Of |
Credit |
cgg:Guarantees |
| 1955 |
1161 - Disclosure - Analysis by Operating Segment and Geographic Area - Additional Information (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureAnalysisByOperatingSegmentAndGeographicAreaAdditionalInformation |
| 1956 |
Disclosure of major customers [Table] |
Table |
* |
* |
ifrs-full:DisclosureOfMajorCustomersTable |
| 1957 |
Geographical areas [Axis] |
Axis |
|
|
ifrs-full:GeographicalAreasAxis |
| 1958 |
Geographical areas [Member] |
Member |
|
|
ifrs-full:GeographicalAreasMember |
| 1959 |
France [Member] |
Member |
|
|
country:FR |
| 1960 |
Major customers [Axis] |
Axis |
|
|
ifrs-full:MajorCustomersAxis |
| 1961 |
Customers [Member] |
Member |
|
|
ifrs-full:MajorCustomersMember |
| 1962 |
Customer A [Member] |
Member |
|
|
cgg:CustomerAMember |
| 1963 |
Customer B [Member] |
Member |
|
|
cgg:CustomerBMember |
| 1964 |
Disclosure of major customers [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfMajorCustomersLineItems |
| 1965 |
Percentage of revenue from major customer |
Concept (Percent) |
For Period |
|
ifrs-full:PercentageOfEntitysRevenue |
| 1966 |
Operating revenues |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:Revenue |
| 1967 |
1162 - Disclosure - Analysis By Operating Segment and Geographic Area - Summary of Analysis by Segment (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureAnalysisByOperatingSegmentAndGeographicAreaSummaryOfAnalysisBySegment |
| 1968 |
Disclosure of operating segments [Table] |
Table |
* |
* |
ifrs-full:DisclosureOfOperatingSegmentsTable |
| 1969 |
Segments [Axis] |
Axis |
|
|
ifrs-full:SegmentsAxis |
| 1970 |
Segments [Member] |
Member |
|
|
ifrs-full:SegmentsMember |
| 1971 |
Non Operated Resources [Member] |
Member |
|
|
cgg:NonOperatedResourcesMember |
| 1972 |
Contractual Data Acquisition [Member] |
Member |
|
|
cgg:ContractualDataAcquisitionMember |
| 1973 |
Geology Geophysics and Reservoir [Member] |
Member |
|
|
cgg:GeologyGeophysicsAndReservoirMember |
| 1974 |
Equipment 1 [member] |
Member |
|
|
cgg:Equipment1Member |
| 1975 |
Segment consolidation items [Axis] |
Axis |
|
|
ifrs-full:SegmentConsolidationItemsAxis |
| 1976 |
Entity's total for segment consolidation items [Member] |
Member |
|
|
ifrs-full:EntitysTotalForSegmentConsolidationItemsMember |
| 1977 |
Operating Segments [Member] |
Member |
|
|
ifrs-full:OperatingSegmentsMember |
| 1978 |
Eliminations and Other [Member] |
Member |
|
|
ifrs-full:EliminationOfIntersegmentAmountsMember |
| 1979 |
Disclosure of operating segments [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfOperatingSegmentsLineItems |
| 1980 |
Revenues from unaffiliated customers |
Concept (Monetary) |
For Period |
Credit |
cgg:RevenuesFromUnaffiliatedCustomers |
| 1981 |
Inter-segment revenues |
Concept (Monetary) |
For Period |
Credit |
cgg:InterSegmentRevenues |
| 1982 |
Operating revenues |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:Revenue |
| 1983 |
Depreciation and amortization (excluding multi-client surveys) |
Concept (Monetary) |
For Period |
Debit |
cgg:DepreciationAndAmortisationExpenseExcludingMulticlientSurveys |
| 1984 |
Depreciation and amortization of multi-client surveys |
Concept (Monetary) |
For Period |
Debit |
cgg:AdjustmentsForMulticlientSurveysDepreciationAndAmortizationExpense |
| 1985 |
Operating income |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ProfitLossFromOperatingActivities |
| 1986 |
Share of income in companies accounted for under equity method |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod |
| 1987 |
Earnings before interest and tax |
Concept (Monetary) |
For Period |
Credit |
cgg:ProfitLossBeforeInterestAndTaxation |
| 1988 |
Capital expenditures (excluding multi-client surveys) |
Concept (Monetary) |
For Period |
Credit |
cgg:CapitalExpendituresIncludingVariationOfFixedAssetsSuppliersExcludingMulticlientSurveys |
| 1989 |
Investments in multi-client surveys, net cash |
Concept (Monetary) |
For Period |
Credit |
cgg:InvestmentsInMultiClientSurveysNetCash |
| 1990 |
Capital employed |
Concept (Monetary) |
As Of |
Debit |
cgg:CapitalEmployed |
| 1991 |
Total identifiable assets |
Concept (Monetary) |
As Of |
Debit |
cgg:IdentifiableAssets |
| 1992 |
Capitalized development costs |
Concept (Monetary) |
For Period |
Credit |
cgg:DevelopmentCostsCapitalizedDuringThePeriod |
| 1993 |
1163 - Disclosure - Analysis By Operating Segment and Geographic Area - Summary of Analysis by Segment (Parenthetical) (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureAnalysisByOperatingSegmentAndGeographicAreaSummaryOfAnalysisBySegmentParenthetical |
| 1994 |
Disclosure of operating segments [Table] |
Table |
* |
* |
ifrs-full:DisclosureOfOperatingSegmentsTable |
| 1995 |
Classes of assets [Axis] |
Axis |
|
|
ifrs-full:ClassesOfAssetsAxis |
| 1996 |
Assets [Member] |
Member |
|
|
ifrs-full:ClassesOfAssetsMember |
| 1997 |
Other Impaired Assets [Member] |
Member |
|
|
ifrs-full:OtherImpairedAssetsMember |
| 1998 |
Classes of intangible assets and goodwill [Axis] |
Axis |
|
|
ifrs-full:ClassesOfIntangibleAssetsAndGoodwillAxis |
| 1999 |
Intangible assets and goodwill [Member] |
Member |
|
|
ifrs-full:IntangibleAssetsAndGoodwillMember |
| 2000 |
Multi-Client Surveys [Member] |
Member |
|
|
cgg:MulticlientSurveysMember |
| 2001 |
Classes of property, plant and equipment [Axis] |
Axis |
|
|
ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis |
| 2002 |
Property, Plant and Equipment [Member] |
Member |
|
|
ifrs-full:PropertyPlantAndEquipmentMember |
| 2003 |
Equipment and Seismic Vessels [Member] |
Member |
|
|
cgg:EquipmentAndSeismicVesselsMember |
| 2004 |
Other tangible assets [member] |
Member |
|
|
ifrs-full:OtherPropertyPlantAndEquipmentMember |
| 2005 |
Segments [Axis] |
Axis |
|
|
ifrs-full:SegmentsAxis |
| 2006 |
Segments [Member] |
Member |
|
|
ifrs-full:SegmentsMember |
| 2007 |
Non Operated Resources [Member] |
Member |
|
|
cgg:NonOperatedResourcesMember |
| 2008 |
Contractual Data Acquisition [Member] |
Member |
|
|
cgg:ContractualDataAcquisitionMember |
| 2009 |
Geology Geophysics and Reservoir [Member] |
Member |
|
|
cgg:GeologyGeophysicsAndReservoirMember |
| 2010 |
Segment consolidation items [Axis] |
Axis |
|
|
ifrs-full:SegmentConsolidationItemsAxis |
| 2011 |
Entity's total for segment consolidation items [Member] |
Member |
|
|
ifrs-full:EntitysTotalForSegmentConsolidationItemsMember |
| 2012 |
Operating Segments [Member] |
Member |
|
|
ifrs-full:OperatingSegmentsMember |
| 2013 |
Eliminations and Other [Member] |
Member |
|
|
ifrs-full:EliminationOfIntersegmentAmountsMember |
| 2014 |
Disclosure of operating segments [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfOperatingSegmentsLineItems |
| 2015 |
Share of income in companies accounted for under equity method |
Concept (Monetary) |
For Period |
Credit |
cgg:ShareOfProfitLossOfAccountedForUsingEquityMethod |
| 2016 |
Operating Income before costs costs related to the Transformation Plan and impairments |
Concept (Monetary) |
For Period |
Credit |
cgg:OperatingIncomeBeforeCostsTransformationPlan |
| 2017 |
EBIT before costs costs related to the Transformation Plan and impairments |
Concept (Monetary) |
For Period |
Credit |
cgg:EBITBeforeCostsTransformationPlan |
| 2018 |
Non-operated resources earnings before income tax transformation plan |
Concept (Monetary) |
For Period |
Debit |
cgg:CostsRelatedTransformationPlan |
| 2019 |
Goodwill depreciation |
Concept (Monetary) |
For Period |
|
ifrs-full:ImpairmentLossRecognisedInProfitOrLossGoodwill |
| 2020 |
General corporate expenses |
Concept (Monetary) |
For Period |
Debit |
cgg:GeneralCorporateExpense |
| 2021 |
Intangible assets impairment |
Concept (Monetary) |
For Period |
|
ifrs-full:ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsOtherThanGoodwill |
| 2022 |
Impairment of tangible asset |
Concept (Monetary) |
For Period |
|
ifrs-full:ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment |
| 2023 |
Intra-group margin |
Concept (Monetary) |
For Period |
Debit |
cgg:IntragroupMargin |
| 2024 |
Capitalized development costs |
Concept (Monetary) |
For Period |
Credit |
cgg:DevelopmentCostsCapitalizedDuringThePeriod |
| 2025 |
1164 - Disclosure - Analysis by Operating Segment and Geographic Area - Analysis of Operating Revenues by Location of Customers (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureAnalysisByOperatingSegmentAndGeographicAreaAnalysisOfOperatingRevenuesByLocationOfCustomers |
| 2026 |
Disclosure of geographical areas [Table] |
Table |
* |
* |
ifrs-full:DisclosureOfGeographicalAreasTable |
| 2027 |
Geographical areas [Axis] |
Axis |
|
|
ifrs-full:GeographicalAreasAxis |
| 2028 |
Geographical areas [Member] |
Member |
|
|
ifrs-full:GeographicalAreasMember |
| 2029 |
North America [Member] |
Member |
|
|
cgg:NorthAmericaMember |
| 2030 |
Central and South Americas [Member] |
Member |
|
|
cgg:CentralAndSouthAmericasMember |
| 2031 |
Europe, Africa and Middle East [Member] |
Member |
|
|
cgg:EuropeAfricaAndMiddleEastMember |
| 2032 |
Asia Pacific [Member] |
Member |
|
|
cgg:AsiaPacificMember |
| 2033 |
Disclosure of geographical areas [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfGeographicalAreasLineItems |
| 2034 |
Operating revenues |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:Revenue |
| 2035 |
Operating revenues, percentage |
Concept (Percent) |
For Period |
|
ifrs-full:PercentageOfEntitysRevenue |
| 2036 |
1165 - Disclosure - Analysis by Operating Segment and Geographic Area - Summary of Analysis of Operating revenues by category (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureAnalysisByOperatingSegmentAndGeographicAreaSummaryOfAnalysisOfOperatingRevenuesByCategory |
| 2037 |
Disclosure of products and services [Table] |
Table |
* |
* |
ifrs-full:DisclosureOfProductsAndServicesTable |
| 2038 |
Products and services [Axis] |
Axis |
|
|
ifrs-full:ProductsAndServicesAxis |
| 2039 |
Products and services [Member] |
Member |
|
|
ifrs-full:ProductsAndServicesMember |
| 2040 |
Services rendered and royalties [Member] |
Member |
|
|
cgg:ServicesRenderedAndRoyaltiesMember |
| 2041 |
Sales of Goods [Member] |
Member |
|
|
cgg:SalesOfGoodsMember |
| 2042 |
After-sales on Multi-client surveys [Member] |
Member |
|
|
cgg:AftersalesOnMulticlientSurveysMember |
| 2043 |
Leases [member] |
Member |
|
|
cgg:LeasesMember |
| 2044 |
Disclosure of products and services [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfProductsAndServicesLineItems |
| 2045 |
Operating revenues |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:Revenue |
| 2046 |
Operating revenues percentage |
Concept (Percent) |
For Period |
|
ifrs-full:PercentageOfEntitysRevenue |
| 2047 |
1166 - Disclosure - Research and Development Expenses - Summary of Research and Development Expenses (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureResearchAndDevelopmentExpensesSummaryOfResearchAndDevelopmentExpenses |
| 2048 |
Implied Table |
Table |
* |
* |
implied:Table |
| 2049 |
Research and Development Expenses [Abstract] |
Abstract |
|
|
cgg:ResearchAndDevelopmentExpensesAbstract |
| 2050 |
Research and development costs |
Concept (Monetary) |
For Period |
Debit |
cgg:ResearchAndDevelopmentExpenseGross |
| 2051 |
Development costs capitalized |
Concept (Monetary) |
For Period |
Credit |
cgg:DevelopmentCostsCapitalizedDuringThePeriod |
| 2052 |
Research and development expensed |
Concept (Monetary) |
For Period |
Debit |
cgg:ResearchAndDevelopmentExpensedDuringThePeriod |
| 2053 |
Government grants recognized in income |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:RevenueFromGovernmentGrants |
| 2054 |
Research and development costs - net |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ResearchAndDevelopmentExpense |
| 2055 |
1167 - Disclosure - Other Revenues and Expenses - Schedule of Other Revenues and Expenses (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureOtherRevenuesAndExpensesScheduleOfOtherRevenuesAndExpenses |
| 2056 |
Implied Table |
Table |
* |
* |
implied:Table |
| 2057 |
Disclosure of other income (expense) [Abstract] |
Abstract |
|
|
cgg:DisclosureOfOtherIncomeExpenseAbstract |
| 2058 |
Impairment of goodwill |
Concept (Monetary) |
For Period |
|
ifrs-full:ImpairmentLossRecognisedInProfitOrLossGoodwill |
| 2059 |
Impairment of assets |
Concept (Monetary) |
For Period |
Debit |
cgg:ImpairmentOfAssets |
| 2060 |
Restructuring costs |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ExpenseOfRestructuringActivities |
| 2061 |
Change in restructuring reserves |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ReversalOfProvisionsForCostOfRestructuring |
| 2062 |
Impairment and restructuring expenses - net |
Concept (Monetary) |
For Period |
Debit |
cgg:ImpairmentAndRestructuringExpensesNet |
| 2063 |
Other revenues (expenses) |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:OtherOperatingIncomeExpense |
| 2064 |
Exchange gains (losses) on hedging contracts |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:GainsLossesOnIneffectivenessOfCashFlowHedgesRecognisedInProfitOrLoss |
| 2065 |
Gains (losses) on sales of assets |
Concept (Monetary) |
For Period |
Credit |
cgg:GainsLossesOnSalesOfAssets1 |
| 2066 |
Other revenues (expenses) - net |
Concept (Monetary) |
For Period |
Credit |
cgg:OtherRevenuesExpensesNet |
| 2067 |
1168 - Disclosure - Other Revenues and Expenses - Additional Information (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureOtherRevenuesAndExpensesAdditionalInformation |
| 2068 |
Disclosure Of Other Income (Expense) [Table] |
Table |
* |
* |
cgg:DisclosureOfOtherIncomeExpenseTable |
| 2069 |
Classes of intangible assets other than goodwill [Axis] |
Axis |
|
|
ifrs-full:ClassesOfIntangibleAssetsOtherThanGoodwillAxis |
| 2070 |
Intangible assets other than goodwill [Member] |
Member |
|
|
ifrs-full:IntangibleAssetsOtherThanGoodwillMember |
| 2071 |
Multi-Client Surveys [Member] |
Member |
|
|
cgg:MulticlientSurveysMember |
| 2072 |
Cash-generating units [Axis] |
Axis |
|
|
ifrs-full:IndividualAssetsOrCashgeneratingUnitsWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesAxis |
| 2073 |
Entity's total for cash-generating units [Member] |
Member |
|
|
ifrs-full:EntitysTotalForCashgeneratingUnitsMember |
| 2074 |
CGU Marine [Member] |
Member |
|
|
cgg:CguMarineMember |
| 2075 |
GGR [Member] |
Member |
|
|
cgg:GGRMember |
| 2076 |
Classes of property, plant and equipment [Axis] |
Axis |
|
|
ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis |
| 2077 |
Property, Plant and Equipment [Member] |
Member |
|
|
ifrs-full:PropertyPlantAndEquipmentMember |
| 2078 |
Equipment and Seismic Vessels [Member] |
Member |
|
|
cgg:EquipmentAndSeismicVesselsMember |
| 2079 |
Seismic Vessels [Member] |
Member |
|
|
ifrs-full:ShipsMember |
| 2080 |
Segment consolidation items [Axis] |
Axis |
|
|
ifrs-full:SegmentConsolidationItemsAxis |
| 2081 |
Entity's total for segment consolidation items [Member] |
Member |
|
|
ifrs-full:EntitysTotalForSegmentConsolidationItemsMember |
| 2082 |
Operating Segments [Member] |
Member |
|
|
ifrs-full:OperatingSegmentsMember |
| 2083 |
Classes of assets [Axis] |
Axis |
|
|
ifrs-full:ClassesOfAssetsAxis |
| 2084 |
Assets [Member] |
Member |
|
|
ifrs-full:ClassesOfAssetsMember |
| 2085 |
Other Impaired Assets [Member] |
Member |
|
|
ifrs-full:OtherImpairedAssetsMember |
| 2086 |
Segments [Axis] |
Axis |
|
|
ifrs-full:SegmentsAxis |
| 2087 |
Segments [Member] |
Member |
|
|
ifrs-full:SegmentsMember |
| 2088 |
Contractual Data Acquisition [Member] |
Member |
|
|
cgg:ContractualDataAcquisitionMember |
| 2089 |
Disclosure Of Other Income (Expense) [Line Items] |
LineItems |
|
|
cgg:DisclosureOfOtherIncomeExpenseLineItems |
| 2090 |
Transformation Plan expense |
Concept (Monetary) |
For Period |
Debit |
cgg:CostsRelatedTransformationPlan |
| 2091 |
Reduction of the cash burden of the charter agreement |
Concept (Monetary) |
For Period |
Debit |
cgg:ReductionOfCashBurdenOfCharterAgreement |
| 2092 |
Professional fees |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ProfessionalFeesExpense |
| 2093 |
Restructuring charge |
Concept (Monetary) |
For Period |
Debit |
cgg:TransformationPlanOtherCosts |
| 2094 |
Net gain realized |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:GainsLossesOnDisposalsOfInvestments |
| 2095 |
Restructuring costs and change in restructuring reserves |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ExpenseOfRestructuringActivities |
| 2096 |
Impairments |
Concept (Monetary) |
For Period |
|
ifrs-full:ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsOtherThanGoodwill |
| 2097 |
Impairment of marine fixed equipment |
Concept (Monetary) |
For Period |
|
ifrs-full:ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment |
| 2098 |
Impairment of goodwill |
Concept (Monetary) |
For Period |
|
ifrs-full:ImpairmentLossRecognisedInProfitOrLossGoodwill |
| 2099 |
Impairment of goodwill |
Concept (Monetary) |
For Period |
Debit |
cgg:ImpairmentOfGoodwill |
| 2100 |
Impairment of assets |
Concept (Monetary) |
For Period |
Debit |
cgg:ImpairmentOfAssets |
| 2101 |
1169 - Disclosure - Cost of Financial Debt - Schedule of Cost of Financial Debt (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureCostOfFinancialDebtScheduleOfCostOfFinancialDebt |
| 2102 |
Implied Table |
Table |
* |
* |
implied:Table |
| 2103 |
Borrowing costs [Abstract] |
Abstract |
|
|
ifrs-full:BorrowingCostsAbstract |
| 2104 |
Current interest expenses related to financial debt |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:InterestExpenseOnBorrowings |
| 2105 |
Amortization of deferred expenditures on financial debts |
Concept (Monetary) |
For Period |
Debit |
cgg:AmortizationOfDeferredExpendituresOnFinancialDebts |
| 2106 |
Income provided by cash and cash equivalents |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:InterestIncomeOnCashAndCashEquivalents |
| 2107 |
Cost of financial debt, net |
Concept (Monetary) |
For Period |
|
ifrs-full:BorrowingCostsIncurred |
| 2108 |
1170 - Disclosure - Cost of Financial Debt - Additional Information (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureCostOfFinancialDebtAdditionalInformation |
| 2109 |
Disclosure of detailed information about borrowings [Table] |
Table |
* |
* |
ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable |
| 2110 |
Borrowings by name [Axis] |
Axis |
|
|
ifrs-full:BorrowingsByNameAxis |
| 2111 |
Borrowings by name [Member] |
Member |
|
|
ifrs-full:BorrowingsByNameMember |
| 2112 |
Convertible Bonds Due 2019 [Member] |
Member |
|
|
cgg:ConvertibleBondsDue2019Member |
| 2113 |
Disclosure of detailed information about borrowings [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems |
| 2114 |
Percentage of principal amount |
Concept (Percent) |
For Period |
|
cgg:PercentageOfPrincipalAmount |
| 2115 |
Amortization of deferred expenditures |
Concept (Monetary) |
For Period |
Debit |
cgg:AmortizationOfDeferredExpendituresOnFinancialDebts |
| 2116 |
1171 - Disclosure - Other Financial Income (Loss) - Schedule of Other Financial Income (Loss) (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureOtherFinancialIncomeLossScheduleOfOtherFinancialIncomeLoss |
| 2117 |
Implied Table |
Table |
* |
* |
implied:Table |
| 2118 |
Other Financial Income Loss [Abstract] |
Abstract |
|
|
cgg:OtherFinancialIncomeLossAbstract |
| 2119 |
Exchange gains (losses) net |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss |
| 2120 |
Other financial income (expenses) |
Concept (Monetary) |
For Period |
Credit |
cgg:OtherFinancingExpenseIncomeNet |
| 2121 |
Other financial income (loss) |
Concept (Monetary) |
For Period |
Credit |
cgg:OtherFinancialIncomeLoss |
| 2122 |
1172 - Disclosure - Other Financial Income (Loss) - Additional Information (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureOtherFinancialIncomeLossAdditionalInformation |
| 2123 |
Disclosure Of Financial Income and Expense [Table] |
Table |
* |
* |
cgg:DisclosureOfFinancialIncomeAndExpenseTable |
| 2124 |
Unconsolidated structured entities [Axis] |
Axis |
|
|
ifrs-full:UnconsolidatedStructuredEntitiesAxis |
| 2125 |
Entity's total for unconsolidated structured entities [Member] |
Member |
|
|
ifrs-full:EntitysTotalForUnconsolidatedStructuredEntitiesMember |
| 2126 |
Geokinetics Inc [Member] |
Member |
|
|
cgg:GeokineticsIncMember |
| 2127 |
Joint ventures [Axis] |
Axis |
|
|
ifrs-full:JointVenturesAxis |
| 2128 |
Entity's total for joint ventures [Member] |
Member |
|
|
ifrs-full:EntitysTotalForJointVenturesMember |
| 2129 |
Global Seismic Shipping AS [Member] |
Member |
|
|
cgg:GlobalSeismicShippingASMember |
| 2130 |
PTSC CGGV Geophysical Survey Limited [Member] |
Member |
|
|
cgg:PTSCCGGVGeophysicalSurveyLimitedMember |
| 2131 |
Disclosure Of Financial Income and Expense [Line Items] |
LineItems |
|
|
cgg:DisclosureOfFinancialIncomeAndExpenseLineItems |
| 2132 |
Depreciation of financial stake |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ImpairmentLossOnFinancialAssets |
| 2133 |
Depreciation of financial stake |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:OtherFinanceIncomeCost |
| 2134 |
1173 - Disclosure - Income Taxes - Schedule of Income Tax Benefit (Expense) (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureIncomeTaxesScheduleOfIncomeTaxBenefitExpense |
| 2135 |
Income Tax Expense Benefits [table] |
Table |
* |
* |
cgg:IncomeTaxExpenseBenefitsTable |
| 2136 |
Geographical areas [Axis] |
Axis |
|
|
ifrs-full:GeographicalAreasAxis |
| 2137 |
Geographical areas [Member] |
Member |
|
|
ifrs-full:GeographicalAreasMember |
| 2138 |
France [Member] |
Member |
|
|
country:FR |
| 2139 |
Foreign Countries [Member] |
Member |
|
|
ifrs-full:ForeignCountriesMember |
| 2140 |
Income Tax Expense Benefits [line items] |
LineItems |
|
|
cgg:IncomeTaxExpenseBenefitsLineItems |
| 2141 |
Current income tax expense |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:CurrentTaxExpenseIncome |
| 2142 |
Adjustments on income tax recognized in the period for prior periods |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdjustmentsForCurrentTaxOfPriorPeriod |
| 2143 |
Deferred taxes on temporary differences for the period |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:DeferredTaxExpenseIncomeRelatingToOriginationAndReversalOfTemporaryDifferences |
| 2144 |
Deferred taxes recognized in the period for prior periods |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdjustmentsForDeferredTaxOfPriorPeriods |
| 2145 |
Total income taxes |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:IncomeTaxExpenseContinuingOperations |
| 2146 |
1174 - Disclosure - Income Taxes - Schedule of Income Tax Benefit (Expense) (Parenthetical) (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureIncomeTaxesScheduleOfIncomeTaxBenefitExpenseParenthetical |
| 2147 |
Income Tax Expense Benefits [table] |
Table |
* |
* |
cgg:IncomeTaxExpenseBenefitsTable |
| 2148 |
Geographical areas [Axis] |
Axis |
|
|
ifrs-full:GeographicalAreasAxis |
| 2149 |
Geographical areas [Member] |
Member |
|
|
ifrs-full:GeographicalAreasMember |
| 2150 |
United States [member] |
Member |
|
|
country:US |
| 2151 |
Income Tax Expense Benefits [line items] |
LineItems |
|
|
cgg:IncomeTaxExpenseBenefitsLineItems |
| 2152 |
Valuation allowances on deferred tax assets |
Concept (Monetary) |
For Period |
Debit |
cgg:ValuationAllowanceOnDeferredTaxAssetsPreviouslyRecognizedOnLosses |
| 2153 |
Valuation allowances on deferred tax assets |
Concept (Monetary) |
For Period |
Debit |
cgg:ValuationAllowanceOnDeferredTaxAssetsPreviouslyRecognizedOnLossesOnForeignEntities |
| 2154 |
1175 - Disclosure - Income Taxes - Additional Information (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureIncomeTaxesAdditionalInformation |
| 2155 |
Income Tax Expense Benefits [table] |
Table |
* |
* |
cgg:IncomeTaxExpenseBenefitsTable |
| 2156 |
Geographical areas [Axis] |
Axis |
|
|
ifrs-full:GeographicalAreasAxis |
| 2157 |
Geographical areas [Member] |
Member |
|
|
ifrs-full:GeographicalAreasMember |
| 2158 |
United States [member] |
Member |
|
|
country:US |
| 2159 |
Brazil [Member] |
Member |
|
|
country:BR |
| 2160 |
Peru [Member] |
Member |
|
|
country:PE |
| 2161 |
Egypt [Member] |
Member |
|
|
country:EG |
| 2162 |
Norway [Member] |
Member |
|
|
country:NO |
| 2163 |
Non-adjusting events after reporting period [Axis] |
Axis |
|
|
ifrs-full:NonadjustingEventsAfterReportingPeriodAxis |
| 2164 |
Non-adjusting events after reporting period [Member] |
Member |
|
|
ifrs-full:NonadjustingEventsMember |
| 2165 |
Tax Audit and Litigation [Member] |
Member |
|
|
cgg:TaxAuditAndLitigationMember |
| 2166 |
Income Tax Expense Benefits [line items] |
LineItems |
|
|
cgg:IncomeTaxExpenseBenefitsLineItems |
| 2167 |
Federal corporate income tax rate |
Concept (Percent) |
For Period |
|
ifrs-full:ApplicableTaxRate |
| 2168 |
Difference in deferred taxes liabilities to change in tax rate |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:TaxEffectFromChangeInTaxRate |
| 2169 |
Valuation allowances on deferred tax assets |
Concept (Monetary) |
For Period |
Debit |
cgg:ValuationAllowanceOnDeferredTaxAssetsPreviouslyRecognizedOnLossesOnForeignEntities |
| 2170 |
Alternative minimum tax credits |
Concept (Monetary) |
For Period |
Credit |
cgg:AlternativeMinimumTaxCredits |
| 2171 |
Reassessment amount |
Concept (Monetary) |
As Of |
Debit |
cgg:TaxReassessmentAmount |
| 2172 |
Taxes at stake |
Concept (Monetary) |
As Of |
Debit |
cgg:TaxesAtStake |
| 2173 |
Withholding tax |
Concept (Monetary) |
As Of |
Debit |
cgg:WithholdingTaxAmount |
| 2174 |
Contribution for intervening in Economic Domain |
Concept (Monetary) |
As Of |
Debit |
cgg:ContributionForInterveningInEconomicTerritory |
| 2175 |
Final settlement on litigation |
Concept (Monetary) |
For Period |
Debit |
cgg:TaxSettlementAmount |
| 2176 |
Withholding tax |
Concept (Monetary) |
As Of |
Debit |
cgg:WithholdingTaxAmount |
| 2177 |
Contribution for intervening in Economic Domain |
Concept (Monetary) |
As Of |
Debit |
cgg:ContributionForInterveningInEconomicTerritory |
| 2178 |
Reassessment amount |
Concept (Monetary) |
As Of |
Debit |
cgg:TaxReassessmentAmount |
| 2179 |
1176 - Disclosure - Income Taxes - Schedule of Income Tax Reconciliation (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureIncomeTaxesScheduleOfIncomeTaxReconciliation |
| 2180 |
Implied Table |
Table |
* |
* |
implied:Table |
| 2181 |
Disclosure of income tax reconciliation [Abstract] |
Abstract |
|
|
cgg:DisclosureOfIncomeTaxReconciliationAbstract |
| 2182 |
Net income (loss) |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ProfitLoss |
| 2183 |
Income taxes |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:IncomeTaxExpenseContinuingOperations |
| 2184 |
Net Income (loss) before taxes |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:AccountingProfit |
| 2185 |
Equity investment companies income |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod |
| 2186 |
Theoretical tax basis |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ProfitLossBeforeTax |
| 2187 |
Enacted tax rate in France |
Concept (Percent) |
For Period |
|
ifrs-full:ApplicableTaxRate |
| 2188 |
Theoretical taxes |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:TaxExpenseIncomeAtApplicableTaxRate |
| 2189 |
Differences on tax: |
Abstract |
|
|
cgg:DifferencesOnTaxAbstract |
| 2190 |
Differences in tax rates between France and foreign countries |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:TaxEffectOfForeignTaxRates |
| 2191 |
Change in local tax rates enacted by US and French tax laws |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:TaxEffectFromChangeInTaxRate |
| 2192 |
Non-deductible part of dividends |
Concept (Monetary) |
For Period |
Debit |
cgg:NondeductiblePartOfDividends |
| 2193 |
Adjustments on the tax expense recognized in the period for prior periods |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdjustmentsForCurrentTaxOfPriorPeriod |
| 2194 |
Adjustments on the deferred tax expense recognized in the period for prior periods |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdjustmentsForDeferredTaxOfPriorPeriods |
| 2195 |
Valuation allowance on deferred tax assets previously recognized on losses on the French tax group |
Concept (Monetary) |
For Period |
Debit |
cgg:ValuationAllowanceOnDeferredTaxAssetsPreviouslyRecognizedOnLosses |
| 2196 |
Valuation allowance on deferred tax assets previously recognized on losses on foreign entities |
Concept (Monetary) |
For Period |
Debit |
cgg:ValuationAllowanceOnDeferredTaxAssetsPreviouslyRecognizedOnLossesOnForeignEntities |
| 2197 |
Other permanent differences (including withholding taxes) |
Concept (Monetary) |
For Period |
Debit |
cgg:OtherPermanentDifferencesIncludingWithholdingTaxes |
| 2198 |
Deferred tax unrecognized on losses of the period on the French tax group |
Concept (Monetary) |
For Period |
Debit |
cgg:DeferredTaxUnrecognizedOnLossesOfThePeriodOnTheFrenchTaxGroup |
| 2199 |
Deferred tax unrecognized on losses of the period on foreign entities |
Concept (Monetary) |
For Period |
Debit |
cgg:DeferredTaxUnrecognizedOnLossesOfThePeriodOnForeignEntities |
| 2200 |
Unrecognized deferred tax on losses of prior periods |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:TaxBenefitArisingFromPreviouslyUnrecognisedTaxLossTaxCreditOrTemporaryDifferenceOfPriorPeriodUsedToReduceDeferredTaxExpense |
| 2201 |
Income tax and deferred tax on Argas net income (equity method company) |
Concept (Monetary) |
For Period |
Credit |
cgg:IncomeTaxAndDeferredTaxOnArgasNetIncomeEquityMethodCompany |
| 2202 |
Income taxes |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:IncomeTaxExpenseContinuingOperations |
| 2203 |
1177 - Disclosure - Income Taxes - Schedule of Income Tax Reconciliation (Parenthetical) (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureIncomeTaxesScheduleOfIncomeTaxReconciliationParenthetical |
| 2204 |
Disclosure of temporary difference, unused tax losses and unused tax credits [Table] |
Table |
* |
* |
ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable |
| 2205 |
Geographical areas [Axis] |
Axis |
|
|
ifrs-full:GeographicalAreasAxis |
| 2206 |
Geographical areas [Member] |
Member |
|
|
ifrs-full:GeographicalAreasMember |
| 2207 |
United States [member] |
Member |
|
|
country:US |
| 2208 |
France [Member] |
Member |
|
|
country:FR |
| 2209 |
Non-adjusting events after reporting period [Axis] |
Axis |
|
|
ifrs-full:NonadjustingEventsAfterReportingPeriodAxis |
| 2210 |
Non-adjusting events after reporting period [Member] |
Member |
|
|
ifrs-full:NonadjustingEventsMember |
| 2211 |
Changes in tax rates or tax laws enacted or announced [Member] |
Member |
|
|
ifrs-full:ChangesInTaxRatesOrTaxLawsEnactedOrAnnouncedMember |
| 2212 |
Cash-generating units [Axis] |
Axis |
|
|
ifrs-full:IndividualAssetsOrCashgeneratingUnitsWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesAxis |
| 2213 |
Entity's total for cash-generating units [Member] |
Member |
|
|
ifrs-full:EntitysTotalForCashgeneratingUnitsMember |
| 2214 |
CGU Marine [Member] |
Member |
|
|
cgg:CguMarineMember |
| 2215 |
Geology Geophysics and Reservoir [Member] |
Member |
|
|
cgg:GeologyGeophysicsAndReservoirMember |
| 2216 |
Disclosure of temporary difference, unused tax losses and unused tax credits [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems |
| 2217 |
Impairment of goodwill |
Concept (Monetary) |
For Period |
|
ifrs-full:ImpairmentLossRecognisedInProfitOrLossGoodwill |
| 2218 |
Federal corporate income tax rate |
Concept (Percent) |
For Period |
|
ifrs-full:ApplicableTaxRate |
| 2219 |
Difference in deferred taxes liabilities to change in tax rate |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:TaxEffectFromChangeInTaxRate |
| 2220 |
Federal corporate income tax rate |
Concept (Percent) |
For Period |
|
ifrs-full:ApplicableTaxRate |
| 2221 |
1178 - Disclosure - Income Taxes - Summary of Deferred Tax Assets and Liabilities (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureIncomeTaxesSummaryOfDeferredTaxAssetsAndLiabilities |
| 2222 |
Implied Table |
Table |
* |
* |
implied:Table |
| 2223 |
Deferred tax assets and liabilities [Abstract] |
Abstract |
|
|
ifrs-full:DeferredTaxAssetsAndLiabilitiesAbstract |
| 2224 |
Total deferred tax assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:DeferredTaxAssets |
| 2225 |
Total deferred tax liabilities |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:DeferredTaxLiabilities |
| 2226 |
Total deferred taxes, net |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:DeferredTaxLiabilityAsset |
| 2227 |
1179 - Disclosure - Income Taxes - Summary of Net Deferred Tax Assets (Liabilities) per Nature (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureIncomeTaxesSummaryOfNetDeferredTaxAssetsLiabilitiesPerNature |
| 2228 |
Disclosure of temporary difference, unused tax losses and unused tax credits [Table] |
Table |
* |
* |
ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable |
| 2229 |
Temporary difference, unused tax losses and unused tax credits [Axis] |
Axis |
|
|
ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis |
| 2230 |
Temporary difference, unused tax losses and unused tax credits [Member] |
Member |
|
|
ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember |
| 2231 |
Non-deductible provisions (including pensions and profit sharing) [Member] |
Member |
|
|
cgg:DeferredTaxLiabilityAssetNondeductibleProvisionsIncludingPensionsAndProfitSharingMember |
| 2232 |
Tangible assets [Member] |
Member |
|
|
cgg:DeferredTaxLiabilityAssetTangibleAssetsMember |
| 2233 |
Effect of currency translation adjustment not recognized in income statement [Member] |
Member |
|
|
cgg:DeferredTaxLiabilityAssetEffectOfCurrencyTranslationAdjustmentNotRecognizedInIncomeStatementMember |
| 2234 |
Multi-client surveys (including deferred revenue [Member] |
Member |
|
|
cgg:DeferredTaxLiabilityAssetMulticlientSurveysIncludingDeferredRevenuesMember |
| 2235 |
Assets reassessed in purchase accounting of acquisitions [Member] |
Member |
|
|
cgg:DeferredTaxLiabilityAssetAssetsReassessedInPurchaseAccountingOfAcquisitionsMember |
| 2236 |
Development costs capitalized [Member] |
Member |
|
|
cgg:DeferredTaxLiabilityAssetDevelopmentCostsCapitalizedMember |
| 2237 |
Other deferred revenues [Member] |
Member |
|
|
cgg:DeferredTaxLiabilityAssetOtherDeferredRevenuesMember |
| 2238 |
Convertible bonds and other financial instruments [Member] |
Member |
|
|
cgg:DeferredTaxLiabilityAssetConvertibleBondsAndOtherFinancialInstrumentsMember |
| 2239 |
Research and Development Credits [member] |
Member |
|
|
cgg:ResearchAndDevelopmentCreditsMember |
| 2240 |
Other [Member] |
Member |
|
|
cgg:DeferredTaxLiabilityAssetOtherMember |
| 2241 |
Temporary differences [Member] |
Member |
|
|
ifrs-full:TemporaryDifferenceMember |
| 2242 |
Unused tax losses [Member] |
Member |
|
|
ifrs-full:UnusedTaxLossesMember |
| 2243 |
Disclosure of temporary difference, unused tax losses and unused tax credits [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems |
| 2244 |
Total deferred tax assets net of deferred tax (liabilities) |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:DeferredTaxLiabilityAsset |
| 2245 |
Tax losses carried forward |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:DeferredTaxAssets |
| 2246 |
1180 - Disclosure - Income Taxes - Summary of Deferred Tax Assets and (Liabilities) per Tax Group (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureIncomeTaxesSummaryOfDeferredTaxAssetsAndLiabilitiesPerTaxGroup |
| 2247 |
Disclosure of temporary difference, unused tax losses and unused tax credits [Table] |
Table |
* |
* |
ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable |
| 2248 |
Geographical areas [Axis] |
Axis |
|
|
ifrs-full:GeographicalAreasAxis |
| 2249 |
Geographical areas [Member] |
Member |
|
|
ifrs-full:GeographicalAreasMember |
| 2250 |
France [Member] |
Member |
|
|
country:FR |
| 2251 |
Norway [Member] |
Member |
|
|
country:NO |
| 2252 |
United States [member] |
Member |
|
|
country:US |
| 2253 |
Other Countries [Member] |
Member |
|
|
cgg:OtherCountriesMember |
| 2254 |
Temporary difference, unused tax losses and unused tax credits [Axis] |
Axis |
|
|
ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis |
| 2255 |
Temporary difference, unused tax losses and unused tax credits [Member] |
Member |
|
|
ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember |
| 2256 |
Temporary differences [Member] |
Member |
|
|
ifrs-full:TemporaryDifferenceMember |
| 2257 |
Unused tax losses [Member] |
Member |
|
|
ifrs-full:UnusedTaxLossesMember |
| 2258 |
Disclosure of temporary difference, unused tax losses and unused tax credits [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems |
| 2259 |
Net deferred tax assets (liabilities) related to timing differences |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:DeferredTaxLiabilityAsset |
| 2260 |
Deferred tax assets on losses carried forward |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:DeferredTaxAssets |
| 2261 |
1181 - Disclosure - Income Taxes - Summary of Net Operating Loss Carried Forward not Recognized (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureIncomeTaxesSummaryOfNetOperatingLossCarriedForwardNotRecognized |
| 2262 |
Disclosure of temporary difference, unused tax losses and unused tax credits [Table] |
Table |
* |
* |
ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable |
| 2263 |
Geographical areas [Axis] |
Axis |
|
|
ifrs-full:GeographicalAreasAxis |
| 2264 |
Geographical areas [Member] |
Member |
|
|
ifrs-full:GeographicalAreasMember |
| 2265 |
France [Member] |
Member |
|
|
country:FR |
| 2266 |
Foreign Countries [Member] |
Member |
|
|
ifrs-full:ForeignCountriesMember |
| 2267 |
Maturity [Axis] |
Axis |
|
|
ifrs-full:MaturityAxis |
| 2268 |
Aggregated time bands [Member] |
Member |
|
|
ifrs-full:AggregatedTimeBandsMember |
| 2269 |
Less than 1 Year [Member] |
Member |
|
|
ifrs-full:NotLaterThanOneYearMember |
| 2270 |
Losses Scheduled to Expire in 2018 and Thereafter [Member] |
Member |
|
|
ifrs-full:LaterThanOneYearMember |
| 2271 |
Losses Available Indefinitely [Member] |
Member |
|
|
cgg:IndefiniteMember |
| 2272 |
Disclosure of temporary difference, unused tax losses and unused tax credits [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems |
| 2273 |
Net operating loss carried forward not recognized |
Concept (Monetary) |
As Of |
|
ifrs-full:UnusedTaxLossesForWhichNoDeferredTaxAssetRecognised |
| 2274 |
1182 - Disclosure - Personnel - Summary of Analysis of Personnel (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosurePersonnelSummaryOfAnalysisOfPersonnel |
| 2275 |
Disclosure Of Analysis Of Personnel [Table] |
Table |
* |
* |
cgg:DisclosureOfAnalysisOfPersonnelTable |
| 2276 |
Categories of related parties [Axis] |
Axis |
|
|
ifrs-full:CategoriesOfRelatedPartiesAxis |
| 2277 |
Entity's total for related parties [Member] |
Member |
|
|
ifrs-full:EntitysTotalForRelatedPartiesMember |
| 2278 |
Personnel Employed Under French Contracts [Member] |
Member |
|
|
cgg:PersonnelEmployedUnderFrenchContractsMember |
| 2279 |
Personnel Employed Under Local Contracts [Member] |
Member |
|
|
cgg:PersonnelEmployedUnderLocalContractsMember |
| 2280 |
Field Staff [Member] |
Member |
|
|
cgg:FieldStaffMember |
| 2281 |
Disclosure Of Analysis Of Personnel [Line items] |
LineItems |
|
|
cgg:DisclosureOfAnalysisOfPersonnelLineItems |
| 2282 |
Personnel employed |
Concept (Decimal) |
As Of |
|
ifrs-full:NumberOfEmployees |
| 2283 |
1183 - Disclosure - Personnel - Additional Information (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosurePersonnelAdditionalInformation |
| 2284 |
Implied Table |
Table |
* |
* |
implied:Table |
| 2285 |
Number and average number of employees [Abstract] |
Abstract |
|
|
ifrs-full:NumberAndAverageNumberOfEmployeesAbstract |
| 2286 |
Cost of personnel employed |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:OtherEmployeeExpense |
| 2287 |
1184 - Disclosure - Key Management Personnel Compensation - Summary of Directors and Key C-Com Members' Compensation (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureKeyManagementPersonnelCompensationSummaryOfDirectorsAndKeyCComMembersCompensation |
| 2288 |
Implied Table |
Table |
* |
* |
implied:Table |
| 2289 |
Disclosure of key management personnel compensation [abstract] |
Abstract |
|
|
cgg:DisclosureOfKeyManagementPersonnelCompensationAbstract |
| 2290 |
Short-term employee benefit paid |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:KeyManagementPersonnelCompensationShorttermEmployeeBenefits |
| 2291 |
Directors' fees |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:KeyManagementPersonnelCompensation |
| 2292 |
Long-term employee benefit - pension |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:KeyManagementPersonnelCompensationPostemploymentBenefits |
| 2293 |
Long-term employee benefit - supplemental pension |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:KeyManagementPersonnelCompensationOtherLongtermBenefits |
| 2294 |
Share-based payments |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:KeyManagementPersonnelCompensationSharebasedPayment |
| 2295 |
1185 - Disclosure - Key Management Personnel Compensation - Additional Information (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureKeyManagementPersonnelCompensationAdditionalInformation |
| 2296 |
Disclosure of key management personnel compensation [table] |
Table |
* |
* |
cgg:DisclosureOfKeyManagementPersonnelCompensationTable |
| 2297 |
Categories of related parties [Axis] |
Axis |
|
|
ifrs-full:CategoriesOfRelatedPartiesAxis |
| 2298 |
Entity's total for related parties [Member] |
Member |
|
|
ifrs-full:EntitysTotalForRelatedPartiesMember |
| 2299 |
Chief Executive Officer 1 [Member] |
Member |
|
|
cgg:ChiefExecutiveOfficer1Member |
| 2300 |
Range [Axis] |
Axis |
|
|
ifrs-full:RangeAxis |
| 2301 |
Ranges [Member] |
Member |
|
|
ifrs-full:RangesMember |
| 2302 |
Average Rate Below 40% [Member] |
Member |
|
|
cgg:AverageRateBelowFortyPercentageMember |
| 2303 |
Average Rate Higher Than 40% [Member] |
Member |
|
|
cgg:AverageRateAboveFortyPercentageMember |
| 2304 |
Disclosure of key management personnel compensation [Line Items] |
LineItems |
|
|
cgg:DisclosureOfKeyManagementPersonnelCompensationLineItems |
| 2305 |
Renewal term of office |
Concept (xbrli:durationItemType) |
For Period |
|
cgg:RenewalTermOfOffice |
| 2306 |
Percentage of gross fixed compensation paid |
Concept (Percent) |
For Period |
|
cgg:PercentageOfGrossFixedCompensationPaid |
| 2307 |
Trading period |
Concept (xbrli:durationItemType) |
For Period |
|
cgg:AverageTradingPeriod |
| 2308 |
Average margin rate |
Concept (Percent) |
For Period |
|
cgg:AverageMarginRate |
| 2309 |
Percentage of Special termination indemnity paid |
Concept (Percent) |
For Period |
|
cgg:KeyManagementPersonnelCompensationTerminationBenefitsPercentage |
| 2310 |
Average rate of special termination indemnity |
Concept (Percent) |
For Period |
|
cgg:AverageRateOfSpecialTerminationIndemnity |
| 2311 |
1186 - Disclosure - Related Party Transactions - Summary of Transactions with Related Parties (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureRelatedPartyTransactionsSummaryOfTransactionsWithRelatedParties |
| 2312 |
Disclosure of transactions between related parties [Table] |
Table |
* |
* |
ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesTable |
| 2313 |
Categories of related parties [Axis] |
Axis |
|
|
ifrs-full:CategoriesOfRelatedPartiesAxis |
| 2314 |
Entity's total for related parties [Member] |
Member |
|
|
ifrs-full:EntitysTotalForRelatedPartiesMember |
| 2315 |
Joint Ventures [Member] |
Member |
|
|
ifrs-full:JointVenturesWhereEntityIsVenturerMember |
| 2316 |
Associates [Member] |
Member |
|
|
ifrs-full:AssociatesMember |
| 2317 |
Disclosure of transactions between related parties [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesLineItems |
| 2318 |
Sales of geophysical equipment |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:RevenueFromSaleOfGoodsRelatedPartyTransactions |
| 2319 |
Equipment rentals and services rendered |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:RevenueFromRenderingOfServicesRelatedPartyTransactions |
| 2320 |
Operating Revenue |
Concept (Monetary) |
For Period |
Credit |
cgg:OperatingRevenueFromRelatedPartyTransactions |
| 2321 |
Charter expenses |
Concept (Monetary) |
For Period |
Debit |
cgg:CharterExpensesRelatedPartyTransactions |
| 2322 |
Ship management expenses |
Concept (Monetary) |
For Period |
Debit |
cgg:ShipManagementExpensesRelatedPartyTransactions |
| 2323 |
Costs of services rendered |
Concept (Monetary) |
For Period |
Debit |
cgg:CostsOfServicesRenderedRelatedPartyTransactions |
| 2324 |
Cost of operations |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ServicesReceivedRelatedPartyTransactions |
| 2325 |
Other financial income (loss) |
Concept (Monetary) |
For Period |
Credit |
cgg:OtherFinancialIncomeLossRelatedPartyTransactions |
| 2326 |
Trade accounts and notes receivable, including agency arrangements |
Concept (Monetary) |
As Of |
Debit |
cgg:TradeAccountsAndNotesReceivableIncludingAgencyArrangementsRelatedPartyTransactions |
| 2327 |
Financial assets (see note 7) |
Concept (Monetary) |
As Of |
Debit |
cgg:FinancialAssetsReceivableRelatedPartyTransactions |
| 2328 |
Receivables |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:AmountsReceivableRelatedPartyTransactions |
| 2329 |
Trade accounts and notes payable, including agency arrangements |
Concept (Monetary) |
As Of |
Credit |
cgg:TradeAccountsAndNotesPayableIncludingAgencyArrangementsRelatedPartyTransactions |
| 2330 |
Financial liabilities - Finance lease debt |
Concept (Monetary) |
As Of |
Credit |
cgg:FinancialLiabilitiesFinanceLeaseDebtRelatedPartyTransactions |
| 2331 |
Payables |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:AmountsPayableRelatedPartyTransactions |
| 2332 |
Future leases commitments |
Concept (Monetary) |
As Of |
Credit |
cgg:FutureLeaseCommitmentsRelatedPartyTransactions |
| 2333 |
Future ship management costs |
Concept (Monetary) |
As Of |
Credit |
cgg:FutureShipManagementCostsRelatedPartyTransactions |
| 2334 |
Contractual Obligations |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:OutstandingCommitmentsMadeByEntityRelatedPartyTransactions |
| 2335 |
1187 - Disclosure - Related Party Transactions - Additional Information (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureRelatedPartyTransactionsAdditionalInformation |
| 2336 |
Implied Table |
Table |
* |
* |
implied:Table |
| 2337 |
Related party transactions [Abstract] |
Abstract |
|
|
ifrs-full:RelatedPartyTransactionsAbstract |
| 2338 |
Number of credit facility granted by shareholders |
Concept (Decimal) |
For Period |
|
cgg:NumberOfCreditFacilityGrantedRelatedPartyTransaction |
| 2339 |
Number of loan granted by shareholders |
Concept (Decimal) |
For Period |
|
cgg:NumberOfLoanGrantedRelatedPartyTransaction |
| 2340 |
1188 - Disclosure - Supplementary Cash Flow Information - Additional Information (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureSupplementaryCashFlowInformationAdditionalInformation |
| 2341 |
Disclosure of supplementary cash flow information [Table] |
Table |
* |
* |
cgg:DisclosureOfSupplementaryCashFlowInformationTable |
| 2342 |
Unconsolidated structured entities [Axis] |
Axis |
|
|
ifrs-full:UnconsolidatedStructuredEntitiesAxis |
| 2343 |
Entity's total for unconsolidated structured entities [Member] |
Member |
|
|
ifrs-full:EntitysTotalForUnconsolidatedStructuredEntitiesMember |
| 2344 |
Geokinetics Inc [Member] |
Member |
|
|
cgg:GeokineticsIncMember |
| 2345 |
Cash-generating units [Axis] |
Axis |
|
|
ifrs-full:IndividualAssetsOrCashgeneratingUnitsWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesAxis |
| 2346 |
Entity's total for cash-generating units [Member] |
Member |
|
|
ifrs-full:EntitysTotalForCashgeneratingUnitsMember |
| 2347 |
CGU Marine [Member] |
Member |
|
|
cgg:CguMarineMember |
| 2348 |
Segments [Axis] |
Axis |
|
|
ifrs-full:SegmentsAxis |
| 2349 |
Segments [Member] |
Member |
|
|
ifrs-full:SegmentsMember |
| 2350 |
Geology Geophysics and Reservoir [Member] |
Member |
|
|
cgg:GeologyGeophysicsAndReservoirMember |
| 2351 |
Segment consolidation items [Axis] |
Axis |
|
|
ifrs-full:SegmentConsolidationItemsAxis |
| 2352 |
Entity's total for segment consolidation items [Member] |
Member |
|
|
ifrs-full:EntitysTotalForSegmentConsolidationItemsMember |
| 2353 |
Operating Segments [Member] |
Member |
|
|
ifrs-full:OperatingSegmentsMember |
| 2354 |
Disclosure of supplementary cash flow information [line items] |
LineItems |
|
|
cgg:DisclosureOfSupplementaryCashFlowInformationLineItems |
| 2355 |
Asset impairment loss |
Concept (Monetary) |
For Period |
Debit |
cgg:ImpairmentOfAssets |
| 2356 |
Goodwill impairment |
Concept (Monetary) |
For Period |
|
ifrs-full:ImpairmentLossRecognisedInProfitOrLossGoodwill |
| 2357 |
Asset impairment loss |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ImpairmentLossOnFinancialAssets |
| 2358 |
Adjustments for income tax expense |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdjustmentsForIncomeTaxExpense |
| 2359 |
Net proceeds from capital increase |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ProceedsFromIssuingShares |
| 2360 |
Trapped cash |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CashAndCashEquivalentsHeldByEntityUnavailableForUseByGroup |
| 2361 |
Cash pledged for collateral requirement |
Concept (Monetary) |
As Of |
Debit |
cgg:CashPledgedForCollateralRequirements |
| 2362 |
Other financial assets to collateral requirements |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:OtherFinancialAssets |
| 2363 |
Restricted cash |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:RestrictedCashAndCashEquivalents |
| 2364 |
1189 - Disclosure - Supplementary Cash Flow Information - Summary of Cash and Cash Equivalents (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureSupplementaryCashFlowInformationSummaryOfCashAndCashEquivalents |
| 2365 |
Implied Table |
Table |
* |
* |
implied:Table |
| 2366 |
Cash and cash equivalents [Abstract] |
Abstract |
|
|
ifrs-full:CashAndCashEquivalentsAbstract |
| 2367 |
Cash |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:Cash |
| 2368 |
Cash equivalents (mainly short-term deposits) |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CashEquivalents |
| 2369 |
Total cash and cash equivalents |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CashAndCashEquivalents |
| 2370 |
1190 - Disclosure - Earnings per Share - Summary of Earnings per Share (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureEarningsPerShareSummaryOfEarningsPerShare |
| 2371 |
Implied Table |
Table |
* |
* |
implied:Table |
| 2372 |
Earnings per share [Abstract] |
Abstract |
|
|
ifrs-full:EarningsPerShareAbstract |
| 2373 |
Net income attributable to shareholders |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ProfitLossAttributableToOwnersOfParent |
| 2374 |
Less financial expenses on convertible bond, net of tax |
Concept (Monetary) |
For Period |
Debit |
cgg:FinancialExpensesOnConvertibleBondNetOfTax |
| 2375 |
Adjusted net income attributable to shareholders for diluted earnings per shares |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ProfitLossFromContinuingOperationsAttributableToOrdinaryEquityHoldersOfParentEntity |
| 2376 |
Effect of dilution |
Abstract |
|
|
cgg:ExplanationOfAdjustmentsBetweenDenominatorsUsedToCalculateBasicAndDilutedEarningsPerShareAbstract |
| 2377 |
Ordinary shares outstanding at the beginning of the year |
Concept (Shares) |
For Period |
|
cgg:WeightedAverageSharesBeginningBalance |
| 2378 |
Weighted average number of ordinary shares outstanding during the year |
Concept (Shares) |
For Period |
|
cgg:WeightedAverageNumberOfOrdinarySharesOutstandingEffectOfDilution |
| 2379 |
Weighted average number of ordinary shares outstanding |
Concept (Shares) |
For Period |
|
ifrs-full:WeightedAverageShares |
| 2380 |
Dilutive potential shares from stock options |
Concept (Shares) |
For Period |
|
ifrs-full:DilutiveEffectOfShareOptionsOnNumberOfOrdinaryShares |
| 2381 |
Dilutive potential shares from performance shares allocation |
Concept (Shares) |
For Period |
|
cgg:DilutivePotentialSharesFromPerformanceSharePlan |
| 2382 |
Dilutive potential shares from Convertible bonds |
Concept (Shares) |
For Period |
|
ifrs-full:DilutiveEffectOfConvertibleInstrumentsOnNumberOfOrdinaryShares |
| 2383 |
Dilutive weighted average number of shares outstanding adjusted when dilutive |
Concept (Shares) |
For Period |
|
ifrs-full:AdjustedWeightedAverageShares |
| 2384 |
Basic |
Concept (Share) |
For Period |
|
ifrs-full:BasicEarningsLossPerShareFromContinuingOperations |
| 2385 |
Diluted |
Concept (Share) |
For Period |
|
ifrs-full:DilutedEarningsLossPerShareFromContinuingOperations |
| 2386 |
1191 - Disclosure - List of Principal Consolidated Subsidiaries - Summary of Consolidated Subsidiaries (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureListOfPrincipalConsolidatedSubsidiariesSummaryOfConsolidatedSubsidiaries |
| 2387 |
Disclosure of subsidiaries [Table] |
Table |
* |
* |
ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesTable |
| 2388 |
Subsidiaries [Axis] |
Axis |
|
|
ifrs-full:SignificantInvestmentsInSubsidiariesAxis |
| 2389 |
Entity's total for subsidiaries [Member] |
Member |
|
|
ifrs-full:EntitysTotalForSubsidiariesMember |
| 2390 |
CGG Services SAS [Member] |
Member |
|
|
cgg:CGGServicesSASMember |
| 2391 |
CGG Explo SARL [Member] |
Member |
|
|
cgg:CGGExploSARLMember |
| 2392 |
Geomar SAS [Member] |
Member |
|
|
cgg:GeomarSASMember |
| 2393 |
CGG Holding BV [Member] |
Member |
|
|
cgg:CGGHoldingBVMember |
| 2394 |
CGG Marine BV [Member] |
Member |
|
|
cgg:CGGMarineBVMember |
| 2395 |
CGG Services (NL) BV [Member] |
Member |
|
|
cgg:CGGServicesNLBVMember |
| 2396 |
CGG International SA [Member] |
Member |
|
|
cgg:CGGInternationalSAMember |
| 2397 |
CGG Data Services AG [Member] |
Member |
|
|
cgg:CGGDataServicesAGMember |
| 2398 |
CGG Services Norway AS [Member] |
Member |
|
|
cgg:CGGServicesNorwayASMember |
| 2399 |
Exploration Investment Resources II AS [Member] |
Member |
|
|
cgg:ExplorationInvestmentResourcesIIASMember |
| 2400 |
Exploration Vessel Resources II AS [Member] |
Member |
|
|
cgg:ExplorationVesselResourcesIIASMember |
| 2401 |
CGG Services UK Limited [Member] |
Member |
|
|
cgg:CGGServicesUKLimitedMember |
| 2402 |
CGG do Brasil Participacoes Ltda [Member] |
Member |
|
|
cgg:CggDoBrasilParticipacoesLtdaMember |
| 2403 |
Veritas do Brasil Ltda [Member] |
Member |
|
|
cgg:VeritasDoBrasilLtdaMember |
| 2404 |
LASA Prospeccoes SA [Member] |
Member |
|
|
cgg:LASAProspeccoesSAMember |
| 2405 |
CGG Mexico SA de CV [Member] |
Member |
|
|
cgg:CGGMexicoSADeCVMember |
| 2406 |
Geoinnovation Corporativa S. de RL de CV [Member] |
Member |
|
|
cgg:GeoinnovationCorporativaSdeRLdeCVMember |
| 2407 |
Vitzel SA de CV [member] |
Member |
|
|
cgg:VitzelSAdeCVMember |
| 2408 |
CGG Holding (U.S.) Inc [Member] |
Member |
|
|
cgg:CGGHoldingUSIncMember |
| 2409 |
CGG Services (U.S.) Inc [Member] |
Member |
|
|
cgg:CGGServicesUSIncMember |
| 2410 |
CGG Land (U.S.) Inc [Member] |
Member |
|
|
cgg:CGGLandUSIncMember |
| 2411 |
CGG Canada Services Ltd [Member] |
Member |
|
|
cgg:CggCanadaServicesLtdMember |
| 2412 |
CGG Services (Canada) Inc [Member] |
Member |
|
|
cgg:CGGServicesCanadaIncMember |
| 2413 |
CGG Services (Australia) Pty Ltd [Member] |
Member |
|
|
cgg:CGGServicesAustraliaPtyLtdMember |
| 2414 |
CGG Aviation (Australia) Pty Ltd [Member] |
Member |
|
|
cgg:CGGAviationAustraliaPtyLtdMember |
| 2415 |
CGGVeritas Services (B) Sdn Bhd [member] |
Member |
|
|
cgg:CGGVeritasServicesBSdnBhdMember |
| 2416 |
PT CGG Services Indonesia [Member] |
Member |
|
|
cgg:PTCGGServicesIndonesiaMember |
| 2417 |
CGG Services India Private Ltd [Member] |
Member |
|
|
cgg:CGGServicesIndiaPrivateLtdMember |
| 2418 |
CGG Technology Services (Beijing) Co. Ltd [Member] |
Member |
|
|
cgg:CGGTechnologyServicesBeijingCoLtdMember |
| 2419 |
CGG Services (Singapore) Pte Ltd [Member] |
Member |
|
|
cgg:CGGServicesSingaporePteLtdMember |
| 2420 |
CGG Services Malaysia Sdn Bhd [Member] |
Member |
|
|
cgg:CggServicesMalaysiaSdnBhdMember |
| 2421 |
CGG Vostok [Member] |
Member |
|
|
cgg:CggVostokMember |
| 2422 |
Sercel Holding SAS [Member] |
Member |
|
|
cgg:SercelHoldingSasMember |
| 2423 |
Sercel SAS [Member] |
Member |
|
|
cgg:SercelSasMember |
| 2424 |
Sercel GRC [Member] |
Member |
|
|
cgg:SercelGRCMember |
| 2425 |
Sercel Inc [Member] |
Member |
|
|
cgg:SercelIncMember |
| 2426 |
Hebei Sercel-Junfeng Geophysical Prospecting Equipment Co Ltd [Member] |
Member |
|
|
cgg:HebeiSercelJunfengGeophysicalProspectingEquipmentCoLtdMember |
| 2427 |
Sercel Singapore Pte Ltd [Member] |
Member |
|
|
cgg:SercelSingaporePteLtdMember |
| 2428 |
De Regt Marine Cables BV [Member] |
Member |
|
|
cgg:DeRegtMarineCablesBVMember |
| 2429 |
Disclosure of subsidiaries [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesLineItems |
| 2430 |
Siren Number |
Concept (Text/String) |
For Period |
|
cgg:SirenNumberOfSubsidiary |
| 2431 |
Companies Names |
Concept (Text/String) |
For Period |
|
ifrs-full:NameOfSubsidiary |
| 2432 |
Country of incorporation |
Concept (Text/String) |
For Period |
|
ifrs-full:CountryOfIncorporationOrResidenceOfSubsidiary |
| 2433 |
% of interest |
Concept (Percent) |
For Period |
|
ifrs-full:ProportionOfOwnershipInterestInSubsidiary |
| 2434 |
1192 - Disclosure - List of Principal Consolidated Subsidiaries - Summary of Consolidated Subsidiaries (Parenthetical) (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureListOfPrincipalConsolidatedSubsidiariesSummaryOfConsolidatedSubsidiariesParenthetical |
| 2435 |
Disclosure of subsidiaries [Table] |
Table |
* |
* |
ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesTable |
| 2436 |
Subsidiaries [Axis] |
Axis |
|
|
ifrs-full:SignificantInvestmentsInSubsidiariesAxis |
| 2437 |
Entity's total for subsidiaries [Member] |
Member |
|
|
ifrs-full:EntitysTotalForSubsidiariesMember |
| 2438 |
PT CGG Services Indonesia [Member] |
Member |
|
|
cgg:PTCGGServicesIndonesiaMember |
| 2439 |
Hebei Sercel-Junfeng Geophysical Prospecting Equipment Co Ltd [Member] |
Member |
|
|
cgg:HebeiSercelJunfengGeophysicalProspectingEquipmentCoLtdMember |
| 2440 |
Disclosure of subsidiaries [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesLineItems |
| 2441 |
Percentage of control in subsidiary |
Concept (Percent) |
For Period |
|
cgg:PercentageOfControlInSubsidiary |
| 2442 |
1193 - Disclosure - Condensed Consolidating Information for Certain Subsidiaries - Summary of Condensed Consolidated Financial Information (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureCondensedConsolidatingInformationForCertainSubsidiariesSummaryOfCondensedConsolidatedFinancialInformation |
| 2443 |
Disclosure of information about consolidated structured entities [Table] |
Table |
* |
* |
ifrs-full:DisclosureOfInformationAboutConsolidatedStructuredEntitiesTable |
| 2444 |
Consolidated structured entities [Axis] |
Axis |
|
|
ifrs-full:ConsolidatedStructuredEntitiesAxis |
| 2445 |
Entity's total for consolidated structured entities [Member] |
Member |
|
|
ifrs-full:EntitysTotalForConsolidatedStructuredEntitiesMember |
| 2446 |
CGG [Member] |
Member |
|
|
ifrs-full:ParentMember |
| 2447 |
Service Guarantors [Member] |
Member |
|
|
cgg:ServiceGuarantorsMember |
| 2448 |
Equipment Guarantors [Member] |
Member |
|
|
cgg:EquipmentGuarantorsMember |
| 2449 |
Non Guarantors [Member] |
Member |
|
|
cgg:NonGuarantorsMember |
| 2450 |
Consolidation Adjustments [Member] |
Member |
|
|
cgg:ConsolidationAdjustmentMember |
| 2451 |
Disclosure of information about consolidated structured entities [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfInformationAboutConsolidatedStructuredEntitiesLineItems |
| 2452 |
Goodwill |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:Goodwill |
| 2453 |
Intangible assets (including multi-client surveys) |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:IntangibleAssetsOtherThanGoodwill |
| 2454 |
Property, plant and equipment |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:PropertyPlantAndEquipment |
| 2455 |
Investment in affiliates |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:InvestmentsInAssociates |
| 2456 |
Other non-current assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:OtherNoncurrentAssets |
| 2457 |
Current assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CurrentAssets |
| 2458 |
TOTAL ASSETS |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:Assets |
| 2459 |
Aggregate outstanding principal amount of notes |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:Borrowings |
| 2460 |
Other non-current liabilities (excluding financial debt) |
Concept (Monetary) |
As Of |
Credit |
cgg:OtherNonCurrentLiabilitiesExcludingFinancialDebt |
| 2461 |
Current liabilities (excluding current portion of debt) |
Concept (Monetary) |
As Of |
Credit |
cgg:CurrentLiabilitiesExcludingCurrentPortionOfDebt |
| 2462 |
Total liabilities (excluding equity) |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:Liabilities |
| 2463 |
Equity |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:Equity |
| 2464 |
Operating revenues |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:Revenue |
| 2465 |
Depreciation and amortization |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:DepreciationAmortisationAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss |
| 2466 |
Operating income (loss) |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ProfitLossFromOperatingActivities |
| 2467 |
Equity in income of affiliates |
Concept (Monetary) |
For Period |
Credit |
cgg:EquityInIncomeOfAffiliates |
| 2468 |
Net income (loss) |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ProfitLoss |
| 2469 |
Cash flow from operating activities |
Concept (Monetary) |
For Period |
|
ifrs-full:CashFlowsFromUsedInOperatingActivities |
| 2470 |
Cash flow from investing activities |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:CashFlowsFromUsedInInvestingActivities |
| 2471 |
Cash flow from financing activities |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:CashFlowsFromUsedInFinancingActivities |
| 2472 |
Effect of exchange rates on cash |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:EffectOfExchangeRateChangesOnCashAndCashEquivalents |
| 2473 |
Impact of changes in consolidation scope |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:PortionOfConsiderationPaidReceivedConsistingOfCashAndCashEquivalents |
| 2474 |
Cash and cash equivalents at beginning of year |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CashAndCashEquivalents |
| 2475 |
Cash and cash equivalents at end of period |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CashAndCashEquivalents |