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 |
Document Information [Table] |
Table |
* |
* |
dei:DocumentInformationTable |
3 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
4 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
5 |
Document Information [Line Items] |
LineItems |
|
|
dei:DocumentInformationLineItems |
6 |
Document Type |
Concept (Submission Type) |
For Period |
|
dei:DocumentType |
7 |
Amendment Flag |
Concept (Yes/No) |
For Period |
|
dei:AmendmentFlag |
8 |
Document Period End Date |
Concept (Date) |
For Period |
|
dei:DocumentPeriodEndDate |
9 |
Document Fiscal Year Focus |
Concept (Year) |
For Period |
|
dei:DocumentFiscalYearFocus |
10 |
Document Fiscal Period Focus |
Concept (Fiscal Period) |
For Period |
|
dei:DocumentFiscalPeriodFocus |
11 |
Trading Symbol |
Concept (Text/String) |
For Period |
|
dei:TradingSymbol |
12 |
Entity Registrant Name |
Concept (Text/String) |
For Period |
|
dei:EntityRegistrantName |
13 |
Entity Central Index Key |
Concept (CIK Number) |
For Period |
|
dei:EntityCentralIndexKey |
14 |
Current Fiscal Year End Date |
Concept (Month/Day) |
For Period |
|
dei:CurrentFiscalYearEndDate |
15 |
Entity Current Reporting Status |
Concept (Yes/No) |
For Period |
|
dei:EntityCurrentReportingStatus |
16 |
Entity Emerging Growth Company |
Concept (Yes/No) |
For Period |
|
dei:EntityEmergingGrowthCompany |
17 |
Entity Ex Transition Period |
Concept (Yes/No) |
For Period |
|
dei:EntityExTransitionPeriod |
18 |
Entity Common Stock, Shares Outstanding |
Concept (Shares) |
As Of |
|
dei:EntityCommonStockSharesOutstanding |
19 |
1003 - Statement - Consolidated Balance Sheets |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/StatementOfFinancialPositionCurrentNonCurrent-210000 |
20 |
Statement [table] |
Table |
* |
* |
obe:StatementTable |
21 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
22 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
23 |
Statement [LineItems] |
LineItems |
|
|
obe:StatementLineItems |
24 |
Assets |
Abstract |
|
|
ifrs-full:AssetsAbstract |
25 |
Current |
Abstract |
|
|
ifrs-full:CurrentAssetsAbstract |
26 |
Cash |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:Cash |
27 |
Accounts receivable |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CurrentTradeReceivables |
28 |
Risk management |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CurrentFinancialAssets |
29 |
Other |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:OtherCurrentAssets |
30 |
Deferred funding asset |
Concept (Monetary) |
As Of |
Debit |
obe:CurrentDeferredFundingAsset |
31 |
Assets held for sale |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwners |
32 |
Total current assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CurrentAssets |
33 |
Non-current |
Abstract |
|
|
ifrs-full:NoncurrentAssetsAbstract |
34 |
Property, plant and equipment |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:PropertyPlantAndEquipment |
35 |
Total non-current assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:NoncurrentAssets |
36 |
Total assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:Assets |
37 |
Liabilities and Shareholders' Equity |
Abstract |
|
|
ifrs-full:EquityAndLiabilitiesAbstract |
38 |
Current |
Abstract |
|
|
ifrs-full:CurrentLiabilitiesAbstract |
39 |
Bank overdraft |
Concept (Monetary) |
As Of |
Credit |
obe:BankOverdraft |
40 |
Accounts payable and accrued liabilities |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:TradeAndOtherCurrentPayables |
41 |
Current portion of long-term debt |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:CurrentPortionOfLongtermBorrowings |
42 |
Current portion of provisions |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:CurrentProvisions |
43 |
Risk management |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:CurrentFinancialLiabilities |
44 |
Liabilities related to assets held for sale |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:LiabilitiesIncludedInDisposalGroupsClassifiedAsHeldForSale |
45 |
Total current liabilities |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:CurrentLiabilities |
46 |
Non-current |
Abstract |
|
|
ifrs-full:NoncurrentLiabilitiesAbstract |
47 |
Long-term debt |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:LongtermBorrowings |
48 |
Provisions |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:NoncurrentProvisions |
49 |
Risk management |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:NoncurrentFinancialLiabilities |
50 |
Other non-current liabilities |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:OtherNoncurrentLiabilities |
51 |
Total liabilities |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:Liabilities |
52 |
Shareholders' equity |
Abstract |
|
|
ifrs-full:EquityAbstract |
53 |
Shareholders' capital |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:IssuedCapital |
54 |
Other reserves |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:OtherReserves |
55 |
Deficit |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:RetainedEarnings |
56 |
Total shareholders' equity |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:Equity |
57 |
Total liabilities and shareholders' equity |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:EquityAndLiabilities |
58 |
1004 - Statement - Consolidated Statements of Income (Loss) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/StatementOfComprehensiveIncomeProfitOrLossByFunctionOfExpense-310000 |
59 |
Statement [table] |
Table |
* |
* |
obe:StatementTable |
60 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
61 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
62 |
Statement [LineItems] |
LineItems |
|
|
obe:StatementLineItems |
63 |
Oil and natural gas sales and other income |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:RevenueFromSaleOfOilAndGasProducts |
64 |
Royalties |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:RoyaltyExpense |
65 |
Gross Revenue |
Concept (Monetary) |
For Period |
Credit |
obe:RevenueNetOfRoyaltyExpense |
66 |
Risk management gain (loss) |
Concept (Monetary) |
For Period |
Credit |
obe:RiskManagementGainLoss |
67 |
Total revenue |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:Revenue |
68 |
Expenses |
Abstract |
|
|
ifrs-full:ExpenseByNatureAbstract |
69 |
Operating |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:OperatingExpense |
70 |
Transportation |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:TransportationExpense |
71 |
General and administrative |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:SellingGeneralAndAdministrativeExpense |
72 |
Restructuring |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ExpenseOfRestructuringActivities |
73 |
Share-based compensation |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ExpenseFromSharebasedPaymentTransactionsWithEmployees |
74 |
Depletion, depreciation, impairment and accretion |
Concept (Monetary) |
For Period |
Debit |
obe:DepletionDepreciationImpairmentLossAndAccretionRecognisedInProfitOrLoss |
75 |
Gain on dispositions |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:GainsLossesOnDisposalsOfPropertyPlantAndEquipment |
76 |
Provisions |
Concept (Monetary) |
For Period |
Credit |
obe:ProvisionsRecognisedInProfitOrLoss |
77 |
Foreign exchange loss (gain) |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss |
78 |
Financing |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:FinanceCosts |
79 |
Other |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:OtherExpenseByNature |
80 |
Total expenses |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ExpenseByNature |
81 |
Loss before taxes |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ProfitLossBeforeTax |
82 |
Deferred tax recovery |
Concept (Monetary) |
For Period |
|
ifrs-full:DeferredTaxExpenseIncomeRecognisedInProfitOrLoss |
83 |
Net and comprehensive loss |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ProfitLoss |
84 |
Net loss per share |
Abstract |
|
|
ifrs-full:EarningsPerShareAbstract |
85 |
Basic |
Concept (Share) |
For Period |
|
ifrs-full:BasicEarningsLossPerShare |
86 |
Diluted |
Concept (Share) |
For Period |
|
ifrs-full:DilutedEarningsLossPerShare |
87 |
Weighted average shares outstanding (millions) |
Abstract |
|
|
ifrs-full:WeightedAverageSharesAndAdjustedWeightedAverageSharesAbstract |
88 |
Basic |
Concept (Shares) |
For Period |
|
ifrs-full:WeightedAverageShares |
89 |
Diluted |
Concept (Shares) |
For Period |
|
ifrs-full:AdjustedWeightedAverageShares |
90 |
1005 - Statement - Consolidated Statements of Cash Flows |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/StatementOfCashFlowsDirectMethod-510000 |
91 |
Statement [table] |
Table |
* |
* |
obe:StatementTable |
92 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
93 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
94 |
Statement [LineItems] |
LineItems |
|
|
obe:StatementLineItems |
95 |
Operating activities |
Abstract |
|
|
ifrs-full:CashFlowsFromUsedInOperatingActivitiesAbstract |
96 |
Net income (loss) |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ProfitLoss |
97 |
Depletion, depreciation, impairment and accretion |
Concept (Monetary) |
For Period |
Debit |
obe:DepletionDepreciationImpairmentLossAndAccretionRecognisedInProfitOrLoss |
98 |
Gain on dispositions |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdjustmentsForLossesGainsOnDisposalOfNoncurrentAssets |
99 |
Provisions |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdjustmentsForProvisions |
100 |
Deferred tax recovery |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdjustmentsForDeferredTaxExpense |
101 |
Share-based compensation |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdjustmentsForSharebasedPayments |
102 |
Unrealized risk management loss (gain) |
Concept (Monetary) |
For Period |
Credit |
obe:AdjustmentForUnrealizedRiskManagementGainLoss |
103 |
Unrealized foreign exchange gain |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdjustmentsForUnrealisedForeignExchangeLossesGains |
104 |
Restructuring |
Concept (Monetary) |
For Period |
Debit |
obe:AdjustmentsForRestructuring |
105 |
Other |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:OtherAdjustmentsToReconcileProfitLoss |
106 |
Decommissioning expenditures |
Concept (Monetary) |
For Period |
Debit |
obe:AdjustmentsForDecommissioningExpenditures |
107 |
Office lease settlements |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:CashOutflowForLeases |
108 |
Change in non-cash working capital |
Concept (Monetary) |
For Period |
Credit |
obe:IncreaseDecreaseInNonCashWorkingCapitalOperatingActivities |
109 |
Cash flows from (used in) operating activities |
Concept (Monetary) |
For Period |
|
ifrs-full:CashFlowsFromUsedInOperatingActivities |
110 |
Investing activities |
Abstract |
|
|
ifrs-full:CashFlowsFromUsedInInvestingActivitiesAbstract |
111 |
Capital expenditures |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities |
112 |
Property dispositions (acquisitions), net |
Concept (Monetary) |
For Period |
Debit |
obe:ProceedsPaymentFromDispositionsAcquisitionsOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities |
113 |
Change in non-cash working capital |
Concept (Monetary) |
For Period |
Debit |
obe:NonCashChangesInWorkingCapitalRelatedToInvestingActivities |
114 |
Cash flows from (used in) investing activities |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:CashFlowsFromUsedInInvestingActivities |
115 |
Financing activities |
Abstract |
|
|
ifrs-full:CashFlowsFromUsedInFinancingActivitiesAbstract |
116 |
Increase (decrease) in long-term debt |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:CashFlowsFromUsedInIncreaseDecreaseInCurrentBorrowings |
117 |
Repayments of senior notes |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:RepaymentsOfBondsNotesAndDebentures |
118 |
Realized foreign exchange loss on repayments |
Concept (Monetary) |
For Period |
Debit |
obe:IncreaseDecreaseThroughNetExchangeDifferencesRepaymentsOfDebt |
119 |
Issue of equity compensation plans |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ProceedsFromIssuingShares |
120 |
Cash flows from (used in) financing activities |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:CashFlowsFromUsedInFinancingActivities |
121 |
Change in cash and cash equivalents |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:IncreaseDecreaseInCashAndCashEquivalents |
122 |
Cash and cash equivalents, beginning of year |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CashAndCashEquivalents |
123 |
Cash and cash equivalents, end of year |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CashAndCashEquivalents |
124 |
1006 - Statement - Statements of Changes in Shareholders' Equity |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/StatementOfChangesInEquity-610000 |
125 |
Statement [table] |
Table |
* |
* |
obe:StatementTable |
126 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
127 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
128 |
Components of equity [axis] |
Axis |
|
|
ifrs-full:ComponentsOfEquityAxis |
129 |
Equity [member] |
Member |
|
|
ifrs-full:EquityMember |
130 |
Shareholders' Capital [member] |
Member |
|
|
ifrs-full:IssuedCapitalMember |
131 |
Other Reserves [member] |
Member |
|
|
ifrs-full:OtherReservesMember |
132 |
Deficit [member] |
Member |
|
|
ifrs-full:RetainedEarningsMember |
133 |
Statement [LineItems] |
LineItems |
|
|
obe:StatementLineItems |
134 |
Beginning balance |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:Equity |
135 |
Net and comprehensive loss |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ComprehensiveIncome |
136 |
Share-based compensation |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:IncreaseDecreaseThroughSharebasedPaymentTransactions |
137 |
Issued on exercise of options |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:IncreaseDecreaseThroughExerciseOfOptions |
138 |
Elimination of deficit |
Concept (Monetary) |
For Period |
Debit |
obe:AdjustmentsForDeficitElimination |
139 |
Ending balance |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:Equity |
140 |
1007 - Disclosure - Structure of Obsidian Energy |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfCompositionOfGroupExplanatory |
141 |
Statement [table] |
Table |
* |
* |
obe:StatementTable |
142 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
143 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
144 |
Statement [LineItems] |
LineItems |
|
|
obe:StatementLineItems |
145 |
Structure of Obsidian Energy |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfCompositionOfGroupExplanatory |
146 |
1008 - Disclosure - Basis of presentation and statement of compliance |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsTheEntireDisclosureBasisOfPresentationAndStatementOfComplianceExplanatory |
147 |
Statement [table] |
Table |
* |
* |
obe:StatementTable |
148 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
149 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
150 |
Statement [LineItems] |
LineItems |
|
|
obe:StatementLineItems |
151 |
Basis of presentation and statement of compliance |
Concept (Text Block (HTML)) |
For Period |
|
obe:TheEntireDisclosureBasisOfPresentationAndStatementOfComplianceExplanatory |
152 |
1009 - Disclosure - Significant accounting policies |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfSummaryOfSignificantAccountingPoliciesExplanatory |
153 |
Statement [table] |
Table |
* |
* |
obe:StatementTable |
154 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
155 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
156 |
Statement [LineItems] |
LineItems |
|
|
obe:StatementLineItems |
157 |
Significant accounting policies |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfSummaryOfSignificantAccountingPoliciesExplanatory |
158 |
1010 - Disclosure - Deferred funding asset |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfDeferredFundingAssetExplanatory |
159 |
Statement [table] |
Table |
* |
* |
obe:StatementTable |
160 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
161 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
162 |
Statement [LineItems] |
LineItems |
|
|
obe:StatementLineItems |
163 |
Deferred funding asset |
Concept (Text Block (HTML)) |
For Period |
|
obe:DisclosureOfDeferredFundingAssetExplanatory |
164 |
1011 - Disclosure - Assets and liabilities held for sale |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfNoncurrentAssetsHeldForSaleAndDiscontinuedOperationsExplanatory |
165 |
Statement [table] |
Table |
* |
* |
obe:StatementTable |
166 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
167 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
168 |
Statement [LineItems] |
LineItems |
|
|
obe:StatementLineItems |
169 |
Assets and liabilities held for sale |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfNoncurrentAssetsHeldForSaleAndDiscontinuedOperationsExplanatory |
170 |
1012 - Disclosure - Property, plant and equipment |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfPropertyPlantAndEquipmentExplanatory |
171 |
Statement [table] |
Table |
* |
* |
obe:StatementTable |
172 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
173 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
174 |
Statement [LineItems] |
LineItems |
|
|
obe:StatementLineItems |
175 |
Property, plant and equipment |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfPropertyPlantAndEquipmentExplanatory |
176 |
1013 - Disclosure - Long-term debt |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfBorrowingsExplanatory |
177 |
Statement [table] |
Table |
* |
* |
obe:StatementTable |
178 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
179 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
180 |
Statement [LineItems] |
LineItems |
|
|
obe:StatementLineItems |
181 |
Long-term debt |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfBorrowingsExplanatory |
182 |
1014 - Disclosure - Provisions |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfProvisionsExplanatory |
183 |
Statement [table] |
Table |
* |
* |
obe:StatementTable |
184 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
185 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
186 |
Statement [LineItems] |
LineItems |
|
|
obe:StatementLineItems |
187 |
Provisions |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfProvisionsExplanatory |
188 |
1015 - Disclosure - Risk management |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfFinancialRiskManagementExplanatory |
189 |
Statement [table] |
Table |
* |
* |
obe:StatementTable |
190 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
191 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
192 |
Statement [LineItems] |
LineItems |
|
|
obe:StatementLineItems |
193 |
Risk management |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfFinancialRiskManagementExplanatory |
194 |
1016 - Disclosure - Revenue |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfRevenueFromContractsWithCustomersExplanatory |
195 |
Statement [table] |
Table |
* |
* |
obe:StatementTable |
196 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
197 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
198 |
Statement [LineItems] |
LineItems |
|
|
obe:StatementLineItems |
199 |
Revenue |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfRevenueFromContractsWithCustomersExplanatory |
200 |
1017 - Disclosure - Income taxes |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfIncomeTaxExplanatory |
201 |
Statement [table] |
Table |
* |
* |
obe:StatementTable |
202 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
203 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
204 |
Statement [LineItems] |
LineItems |
|
|
obe:StatementLineItems |
205 |
Income taxes |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfIncomeTaxExplanatory |
206 |
1018 - Disclosure - Shareholders' equity |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory |
207 |
Statement [table] |
Table |
* |
* |
obe:StatementTable |
208 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
209 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
210 |
Statement [LineItems] |
LineItems |
|
|
obe:StatementLineItems |
211 |
Shareholders' equity |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory |
212 |
1019 - Disclosure - Share-based compensation |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfSharebasedPaymentArrangementsExplanatory |
213 |
Statement [table] |
Table |
* |
* |
obe:StatementTable |
214 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
215 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
216 |
Statement [LineItems] |
LineItems |
|
|
obe:StatementLineItems |
217 |
Share-based compensation |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfSharebasedPaymentArrangementsExplanatory |
218 |
1020 - Disclosure - Per share amounts |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfEarningsPerShareExplanatory |
219 |
Statement [table] |
Table |
* |
* |
obe:StatementTable |
220 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
221 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
222 |
Statement [LineItems] |
LineItems |
|
|
obe:StatementLineItems |
223 |
Per share amounts |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfEarningsPerShareExplanatory |
224 |
1021 - Disclosure - Changes in non-cash working capital (increase) decrease |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfIncreaseDecreaseInNoncashWorkingCapitalAndSplitAmongstOperatingAndInvestingActivitiesExplanatory |
225 |
Statement [table] |
Table |
* |
* |
obe:StatementTable |
226 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
227 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
228 |
Statement [LineItems] |
LineItems |
|
|
obe:StatementLineItems |
229 |
Changes in non-cash working capital (increase) decrease |
Concept (Text Block (HTML)) |
For Period |
|
obe:DisclosureOfIncreaseDecreaseInNoncashWorkingCapitalAndSplitAmongstOperatingAndInvestingActivitiesExplanatory |
230 |
1022 - Disclosure - Capital management |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalExplanatory |
231 |
Statement [table] |
Table |
* |
* |
obe:StatementTable |
232 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
233 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
234 |
Statement [LineItems] |
LineItems |
|
|
obe:StatementLineItems |
235 |
Capital management |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalExplanatory |
236 |
1023 - Disclosure - Commitments and contingencies |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfCommitmentsAndContingentLiabilitiesExplanatory |
237 |
Statement [table] |
Table |
* |
* |
obe:StatementTable |
238 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
239 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
240 |
Statement [LineItems] |
LineItems |
|
|
obe:StatementLineItems |
241 |
Commitments and contingencies |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfCommitmentsAndContingentLiabilitiesExplanatory |
242 |
1024 - Disclosure - Related-party transactions |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfRelatedPartyExplanatory |
243 |
Statement [table] |
Table |
* |
* |
obe:StatementTable |
244 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
245 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
246 |
Statement [LineItems] |
LineItems |
|
|
obe:StatementLineItems |
247 |
Related-party transactions |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfRelatedPartyExplanatory |
248 |
1025 - Disclosure - Supplemental Items |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfAdditionalInformationExplanatory |
249 |
Statement [table] |
Table |
* |
* |
obe:StatementTable |
250 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
251 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
252 |
Statement [LineItems] |
LineItems |
|
|
obe:StatementLineItems |
253 |
Supplemental Items |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfAdditionalInformationExplanatory |
254 |
1026 - Disclosure - Supplementary Oil and Gas Information - (Unaudited) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfSupplementaryInformationRelatedToOilAndGasExplanatory |
255 |
Statement [table] |
Table |
* |
* |
obe:StatementTable |
256 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
257 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
258 |
Statement [LineItems] |
LineItems |
|
|
obe:StatementLineItems |
259 |
Supplementary Oil and Gas Information - (Unaudited) |
Concept (Text Block (HTML)) |
For Period |
|
obe:DisclosureOfSupplementaryInformationRelatedToOilAndGasExplanatory |
260 |
1027 - Disclosure - Significant accounting policies (Policies) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfSummaryOfSignificantAccountingPoliciesExplanatoryPolicies |
261 |
Statement [table] |
Table |
* |
* |
obe:StatementTable |
262 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
263 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
264 |
Statement [LineItems] |
LineItems |
|
|
obe:StatementLineItems |
265 |
Critical accounting judgments and key estimates |
Concept (Text Block (HTML)) |
For Period |
|
obe:JudgmentsAndEstimatesMadeByCompanyInPreparationOfTheseFinancialStatementsExplanatory |
266 |
Business combinations |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DescriptionOfAccountingPolicyForBusinessCombinationsExplanatory |
267 |
Revenue |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DescriptionOfAccountingPolicyForRecognitionOfRevenue |
268 |
Joint arrangements |
Concept (Text Block (HTML)) |
For Period |
|
obe:DescriptionOfAccountingPolicyForJointArrangementsTextBlock |
269 |
Transportation expense |
Concept (Text Block (HTML)) |
For Period |
|
obe:DescriptionOfAccountingPolicyForTransportationExpenseTextBlock |
270 |
Foreign currency translation |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory |
271 |
PP&E |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory |
272 |
Share-based payments |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DescriptionOfAccountingPolicyForSharebasedPaymentTransactionsExplanatory |
273 |
Provisions |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DescriptionOfAccountingPolicyForProvisionsExplanatory |
274 |
Leases |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DescriptionOfAccountingPolicyForLeasesExplanatory |
275 |
Share capital |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DescriptionOfAccountingPolicyForIssuedCapitalExplanatory |
276 |
Earnings per share |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DescriptionOfAccountingPolicyForEarningsPerShareExplanatory |
277 |
Taxation |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DescriptionOfAccountingPolicyForIncomeTaxExplanatory |
278 |
Financial instruments |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DescriptionOfAccountingPolicyForFinancialInstrumentsExplanatory |
279 |
Embedded derivatives |
Concept (Text Block (HTML)) |
For Period |
|
obe:DescriptionOfAccountingPolicyForEmbeddedDerivativesExplanatory |
280 |
Classification of debt or equity |
Concept (Text Block (HTML)) |
For Period |
|
obe:DescriptionOfAccountingPolicyForClassificationOfDebtOrEquityExplanatory |
281 |
New Accounting Policies |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfChangesInAccountingPoliciesExplanatory |
282 |
Future accounting pronouncements |
Concept (Text Block (HTML)) |
For Period |
|
obe:FutureAccountingPronouncementsPolicyExplanatory |
283 |
1028 - Disclosure - Significant accounting policies (Tables) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfSummaryOfSignificantAccountingPoliciesExplanatoryTables |
284 |
Statement [table] |
Table |
* |
* |
obe:StatementTable |
285 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
286 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
287 |
Statement [LineItems] |
LineItems |
|
|
obe:StatementLineItems |
288 |
Impact of Adoption of IFRS 15 on Certain Line Items within Consolidated Statements of Income (Loss) (Detail) |
Concept (Text Block (HTML)) |
For Period |
|
obe:DisclosureOfDetailsOfNoImpactChangesInConsolidatedNetIncomeLossExplanatory |
289 |
Summary of Original Measurement Categories Under IAS 39 and New Measurement Categories Under IFRS 9 |
Concept (Text Block (HTML)) |
For Period |
|
obe:DisclosureOfMeasurementCategoriesUnderIAS39AndUnderIFRS9Explanatory |
290 |
1029 - Disclosure - Deferred funding asset (Tables) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfDeferredFundingAssetExplanatoryTables |
291 |
Statement [table] |
Table |
* |
* |
obe:StatementTable |
292 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
293 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
294 |
Statement [LineItems] |
LineItems |
|
|
obe:StatementLineItems |
295 |
Disclosure of Detailed Information About Composition of Deferred Funding Asset |
Concept (Text Block (HTML)) |
For Period |
|
obe:DisclosureOfDetailedInformationAboutCompositionOfDeferredFundingAssetExplanatory |
296 |
1030 - Disclosure - Assets and liabilities held for sale (Tables) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfNoncurrentAssetsHeldForSaleAndDiscontinuedOperationsExplanatoryTables |
297 |
Statement [table] |
Table |
* |
* |
obe:StatementTable |
298 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
299 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
300 |
Statement [LineItems] |
LineItems |
|
|
obe:StatementLineItems |
301 |
Disclosure of Detailed Information about Assets and Liabilities Held for Sale |
Concept (Text Block (HTML)) |
For Period |
|
obe:DisclosureOfDetailedInformationAboutAssetsAndLiabilitiesHeldForSaleExplanatory |
302 |
1031 - Disclosure - Property, plant and equipment (Tables) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfPropertyPlantAndEquipmentExplanatoryTables |
303 |
Statement [table] |
Table |
* |
* |
obe:StatementTable |
304 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
305 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
306 |
Statement [LineItems] |
LineItems |
|
|
obe:StatementLineItems |
307 |
Disclosure of Property Plant and Equipment |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory |
308 |
Disclosure of Benchmark Prices Used in Impairment Tests |
Concept (Text Block (HTML)) |
For Period |
|
obe:DisclosureOfDetailedInformationAboutBenchmarkPricesUsedInImpairmentTestsExplanatory |
309 |
1032 - Disclosure - Long-term debt (Tables) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfBorrowingsExplanatoryTables |
310 |
Statement [table] |
Table |
* |
* |
obe:StatementTable |
311 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
312 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
313 |
Statement [LineItems] |
LineItems |
|
|
obe:StatementLineItems |
314 |
Schedule of Long-term Debt |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfDebtSecuritiesExplanatory |
315 |
Estimated Fair Values of Principal and Interest Obligations of Outstanding Senior Secured Notes |
Concept (Text Block (HTML)) |
For Period |
|
obe:DisclosureOfEstimatedFairValueOfDebtExplanatory |
316 |
Realized and Unrealized Gain (Loss) on Foreign Exchange |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfEffectOfChangesInForeignExchangeRatesExplanatory |
317 |
1033 - Disclosure - Provisions (Tables) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfProvisionsExplanatoryTables |
318 |
Statement [table] |
Table |
* |
* |
obe:StatementTable |
319 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
320 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
321 |
Statement [LineItems] |
LineItems |
|
|
obe:StatementLineItems |
322 |
Summary of Provisions |
Concept (Text Block (HTML)) |
For Period |
|
obe:DisclosureOfDetailedInformationAboutProvisionsExplanatory |
323 |
Summary of Changes to Decommissioning Liability |
Concept (Text Block (HTML)) |
For Period |
|
obe:DisclosureOfChangesInDecommissioningLiabilityExplanatory |
324 |
Summary of Changes to Office Lease Provision |
Concept (Text Block (HTML)) |
For Period |
|
obe:DisclosureOfChangesInOfficeLeaseProvisionExplanatory |
325 |
1034 - Disclosure - Risk management (Tables) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfFinancialRiskManagementExplanatoryTables |
326 |
Statement [table] |
Table |
* |
* |
obe:StatementTable |
327 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
328 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
329 |
Statement [LineItems] |
LineItems |
|
|
obe:StatementLineItems |
330 |
Summary of Reconcilation of Change in Fair Value of Financial Instruments Outstanding |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfFinancialInstrumentsAtFairValueThroughProfitOrLossExplanatory |
331 |
Schedule of Financial Instruments Outstanding |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfDerivativeFinancialInstrumentsExplanatory |
332 |
Components of Risk Management on Consolidated Statements of Income (Loss) |
Concept (Text Block (HTML)) |
For Period |
|
obe:DisclosureOfRealizedAndUnrealizedRiskManagementGainLossexplanatory |
333 |
Disclosure of Detailed Information about Accounts Receivable |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfTradeAndOtherReceivablesExplanatory |
334 |
Summary of Estimated Future Obligations for Non-Derivative Financial Liabilities |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:MaturityAnalysisForNonderivativeFinancialLiabilities |
335 |
1035 - Disclosure - Revenue (Tables) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfRevenueFromContractsWithCustomersExplanatoryTables |
336 |
Statement [table] |
Table |
* |
* |
obe:StatementTable |
337 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
338 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
339 |
Statement [LineItems] |
LineItems |
|
|
obe:StatementLineItems |
340 |
Disclosure of Significant Revenue |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersExplanatory |
341 |
1036 - Disclosure - Income taxes (Tables) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfIncomeTaxExplanatoryTables |
342 |
Statement [table] |
Table |
* |
* |
obe:StatementTable |
343 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
344 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
345 |
Statement [LineItems] |
LineItems |
|
|
obe:StatementLineItems |
346 |
Summary of Provision for Income Taxes |
Concept (Text Block (HTML)) |
For Period |
|
obe:DisclosureOfProvisionForIncomeTaxesExplanatory |
347 |
Summary of Provision for Income Taxes Reflects Effective Tax Rate |
Concept (Text Block (HTML)) |
For Period |
|
obe:DisclosureRepresentingMajorComponentsOfTaxExpenseIncomeExplanatory |
348 |
Summary of Net Deferred Income Tax Liability |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfDeferredTaxesExplanatory |
349 |
1037 - Disclosure - Shareholders' equity (Tables) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatoryTables |
350 |
Statement [table] |
Table |
* |
* |
obe:StatementTable |
351 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
352 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
353 |
Statement [LineItems] |
LineItems |
|
|
obe:StatementLineItems |
354 |
Summary of Issued Capital |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfIssuedCapitalExplanatory |
355 |
Summary of Other Reserves |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfReservesAndOtherEquityInterestExplanatory |
356 |
1038 - Disclosure - Share-based compensation (Tables) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfSharebasedPaymentArrangementsExplanatoryTables |
357 |
Statement [table] |
Table |
* |
* |
obe:StatementTable |
358 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
359 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
360 |
Types of share-based payment arrangements [axis] |
Axis |
|
|
ifrs-full:TypesOfSharebasedPaymentArrangementsAxis |
361 |
Share-based payment arrangements [member] |
Member |
|
|
ifrs-full:SharebasedPaymentArrangementsMember |
362 |
Restricted share unit plan [member] |
Member |
|
|
obe:RestrictedShareUnitPlanMember |
363 |
PSU Plan [member] |
Member |
|
|
obe:PerformanceShareUnitPlanMember |
364 |
Plan Name1 [axis] |
Axis |
|
|
obe:PlanName1Axis |
365 |
Plan Name 1 [domain] |
Member |
|
|
obe:PlanName1Domain |
366 |
Options granted prior to June 2017 [member] |
Member |
|
|
obe:OptionsGrantedPriorToJuneTwoThousandSeventeenMember |
367 |
Options granted from June 2017 [member] |
Member |
|
|
obe:OptionsGrantedFromJuneTwoThousandSeventeenMember |
368 |
Statement [LineItems] |
LineItems |
|
|
obe:StatementLineItems |
369 |
Summary of Restricted and Performance Share Unit plan ("RPSU plan") |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfNumberAndWeightedAverageExercisePricesOfOtherEquityInstrumentsExplanatory |
370 |
Summary of Weighted Average Assumptions of RPSU Plan Units Under Equity Method |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfIndirectMeasurementOfFairValueOfGoodsOrServicesReceivedOtherEquityInstrumentsGrantedDuringPeriodExplanatory |
371 |
Summary of Stock Option Activity and Related Information |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsExplanatory |
372 |
Summary of Options Outstanding and Exercisable |
Concept (Text Block (HTML)) |
For Period |
|
obe:DisclosureOfOptionsOutstandingAndExcercisableExplanatory |
373 |
Summary of Share-Based Compensation |
Concept (Text Block (HTML)) |
For Period |
|
obe:DisclosureOfShareBasedCompensationExplanatory |
374 |
1039 - Disclosure - Per share amounts (Tables) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfEarningsPerShareExplanatoryTables |
375 |
Statement [table] |
Table |
* |
* |
obe:StatementTable |
376 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
377 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
378 |
Statement [LineItems] |
LineItems |
|
|
obe:StatementLineItems |
379 |
Disclosure of Detailed Information about Net Loss Basic and Diluted |
Concept (Text Block (HTML)) |
For Period |
|
obe:DisclosureOfDetailedInformationAboutNetLossBasicAndDilutedExplanatory |
380 |
Disclosure of Detailed Information about Weighted Average Number of Shares Per Share |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:EarningsPerShareExplanatory |
381 |
1040 - Disclosure - Changes in non-cash working capital (increase) decrease (Tables) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfIncreaseDecreaseInNoncashWorkingCapitalAndSplitAmongstOperatingAndInvestingActivitiesExplanatoryTables |
382 |
Statement [table] |
Table |
* |
* |
obe:StatementTable |
383 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
384 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
385 |
Statement [LineItems] |
LineItems |
|
|
obe:StatementLineItems |
386 |
Summary of Changes in Non-cash Working Capital (Increase) Decrease |
Concept (Text Block (HTML)) |
For Period |
|
obe:DisclosureOfDetailedInformationIncreaseDecreaseInNoncashWorkingCapitalExplanatory |
387 |
1041 - Disclosure - Capital management (Tables) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalExplanatoryTables |
388 |
Statement [table] |
Table |
* |
* |
obe:StatementTable |
389 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
390 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
391 |
Statement [LineItems] |
LineItems |
|
|
obe:StatementLineItems |
392 |
Summary of Financial Covenants Under Lending Agreements |
Concept (Text Block (HTML)) |
For Period |
|
obe:DisclosureOfFinancialCovenantsUnderLendingAgreementsExplanatory |
393 |
1042 - Disclosure - Commitments and contingencies (Tables) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfCommitmentsAndContingentLiabilitiesExplanatoryTables |
394 |
Statement [table] |
Table |
* |
* |
obe:StatementTable |
395 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
396 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
397 |
Statement [LineItems] |
LineItems |
|
|
obe:StatementLineItems |
398 |
Summary of Certain Payments Over the Next Five Years |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfCommitmentsExplanatory |
399 |
1043 - Disclosure - Related-party transactions (Tables) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfRelatedPartyExplanatoryTables |
400 |
Statement [table] |
Table |
* |
* |
obe:StatementTable |
401 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
402 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
403 |
Statement [LineItems] |
LineItems |
|
|
obe:StatementLineItems |
404 |
Summary of Compensation of key Management Personnel |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfInformationAboutKeyManagementPersonnelExplanatory |
405 |
1044 - Disclosure - Supplementary Oil and Gas Information - (Unaudited) (Tables) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfSupplementaryInformationRelatedToOilAndGasExplanatoryTables |
406 |
Statement [table] |
Table |
* |
* |
obe:StatementTable |
407 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
408 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
409 |
Statement [LineItems] |
LineItems |
|
|
obe:StatementLineItems |
410 |
Net Proved Oil and Natural Gas Reserves |
Concept (Text Block (HTML)) |
For Period |
|
srt:ScheduleOfProvedDevelopedAndUndevelopedOilAndGasReserveQuantitiesTextBlock |
411 |
Capitalized Costs |
Concept (Text Block (HTML)) |
For Period |
|
obe:CapitalizedCostsRelatingToOilAndGasProducingActivitiesDisclosureTextBlock |
412 |
Costs Incurred |
Concept (Text Block (HTML)) |
For Period |
|
obe:CostIncurredInOilAndGasPropertyAcquisitionExplorationAndDevelopmentActivitiesDisclosureTextBlock |
413 |
Standardized Measure of Discounted Future Net Cash Flows |
Concept (Text Block (HTML)) |
For Period |
|
srt:StandardizedMeasureOfDiscountedFutureCashFlowsRelatingToProvedReservesDisclosureTextBlock |
414 |
Standardized Measure of Discounted Future Net Cash Flow Changes |
Concept (Text Block (HTML)) |
For Period |
|
srt:ScheduleOfChangesInStandardizedMeasureOfDiscountedFutureNetCashFlowsTableTextBlock |
415 |
1045 - Disclosure - Structure of Penn West - Additional Information (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureStructureOfPennWestAdditionalInformation |
416 |
Disclosure of operating segments [table] |
Table |
* |
* |
ifrs-full:DisclosureOfOperatingSegmentsTable |
417 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
418 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
419 |
Subsidiaries [axis] |
Axis |
|
|
ifrs-full:SignificantInvestmentsInSubsidiariesAxis |
420 |
Entity's total for subsidiaries [member] |
Member |
|
|
ifrs-full:EntitysTotalForSubsidiariesMember |
421 |
Peace River Oil Partnership [member] |
Member |
|
|
obe:PeaceRiverOilPartnershipMember |
422 |
Disclosure of operating segments [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfOperatingSegmentsLineItems |
423 |
Number of operating segment |
Concept (Integer) |
For Period |
|
obe:NumberOfReportableOperatingSegments |
424 |
Percentage of ownership in petroleum and natural gas assets |
Concept (Percent) |
For Period |
|
obe:PercentageOfOwnershipOfPetroleumAndNaturalGasAssets |
425 |
Proportion of ownership interest in joint arrangement |
Concept (Percent) |
For Period |
|
ifrs-full:ProportionOfOwnershipInterestInJointOperation |
426 |
1046 - Disclosure - Significant accounting policies - Additional Information (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureSignificantAccountingPoliciesAdditionalInformation |
427 |
Summary Of Significant Accounting Policies [table] |
Table |
* |
* |
obe:SummaryOfSignificantAccountingPoliciesTable |
428 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
429 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
430 |
Range [axis] |
Axis |
|
|
ifrs-full:RangeAxis |
431 |
Ranges [member] |
Member |
|
|
ifrs-full:RangesMember |
432 |
Bottom of range [member] |
Member |
|
|
ifrs-full:BottomOfRangeMember |
433 |
Top of range [member] |
Member |
|
|
ifrs-full:TopOfRangeMember |
434 |
Joint operations [axis] |
Axis |
|
|
ifrs-full:JointOperationsAxis |
435 |
Entity's total for joint operations [member] |
Member |
|
|
ifrs-full:EntitysTotalForJointOperationsMember |
436 |
Peace River Oil Partnership [member] |
Member |
|
|
obe:PeaceRiverOilPartnershipMember |
437 |
Classes of property, plant and equipment [axis] |
Axis |
|
|
ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis |
438 |
Property, plant and equipment [member] |
Member |
|
|
ifrs-full:PropertyPlantAndEquipmentMember |
439 |
Turnaround component [member] |
Member |
|
|
obe:TurnaroundComponentMember |
440 |
Corporate asset component [member] |
Member |
|
|
obe:CorporateAssetComponentMember |
441 |
Summary Of Significant Accounting Policies [Line items] |
LineItems |
|
|
obe:SummaryOfSignificantAccountingPoliciesLineItems |
442 |
Percentage of economically recoverable proved reserves |
Concept (Percent) |
For Period |
|
obe:PercentageOfEconomicallyRecoverableProvedReserves |
443 |
Proportion of ownership interest in joint arrangement |
Concept (Percent) |
For Period |
|
ifrs-full:ProportionOfOwnershipInterestInJointOperation |
444 |
Description of conversion of oil and gas products |
Concept (Text/String) |
For Period |
|
obe:DescriptionOfConversionOfOilAndGasProducts |
445 |
Estimated useful life |
Concept (Text/String) |
For Period |
|
ifrs-full:UsefulLivesOrDepreciationRatesPropertyPlantAndEquipment |
446 |
1047 - Disclosure - Significant accounting policies - Impact of Adoption of IFRS 15 on Certain Line Items within Consolidated Statements of Income (Loss) (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureSignificantAccountingPoliciesImpactOfAdoptionOfIFRS15OnCertainLineItemsWithinConsolidatedStatementsOfIncomeLoss |
447 |
Significant Changes In Financial Statement Line Items Due To Application Of IFRS15 [table] |
Table |
* |
* |
obe:SignificantChangesInFinancialStatementLineItemsDueToApplicationOfIFRS15Table |
448 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
449 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
450 |
Retrospective application and retrospective restatement [axis] |
Axis |
|
|
ifrs-full:RetrospectiveApplicationAndRetrospectiveRestatementAxis |
451 |
Currently stated [member] |
Member |
|
|
ifrs-full:RestatedMember |
452 |
Increase (decrease) due to application of IFRS 15 [member] |
Member |
|
|
ifrs-full:IncreaseDecreaseDueToApplicationOfIFRS15Member |
453 |
Significant changes in financial statement line items due to application of IFRS15 [line items] |
LineItems |
|
|
obe:SignificantChangesInFinancialStatementLineItemsDueToApplicationOfIFRS15LineItems |
454 |
Increase in Oil and natural gas sales and other income |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:RevenueFromSaleOfOilAndGasProducts |
455 |
Increase in Operating expenses |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:OperatingExpense |
456 |
Net and comprehensive loss |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ProfitLoss |
457 |
1048 - Disclosure - Significant accounting policies - Summary of Original Measurement Categories Under IAS 39 and New Measurement Categories Under IFRS 9 (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureSignificantAccountingPoliciesSummaryOfOriginalMeasurementCategoriesUnderIAS39AndNewMeasurementCategoriesUnderIFRS9 |
458 |
Disclosure of original measurement categories under ias39 and new measurement categories under ifrs9 for each class of company financial assets and financial liabilities [table] |
Table |
* |
* |
obe:DisclosureOfOriginalMeasurementCategoriesUnderIAS39AndNewMeasurementCategoriesUnderIFRS9ForEachClassOfCompanyFinancialAssetsAndFinancialLiabilitiesTable |
459 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
460 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
461 |
Retrospective application and retrospective restatement [axis] |
Axis |
|
|
ifrs-full:RetrospectiveApplicationAndRetrospectiveRestatementAxis |
462 |
Currently stated [member] |
Member |
|
|
ifrs-full:RestatedMember |
463 |
IFRS9 [member] |
Member |
|
|
obe:IFRS9Member |
464 |
IAS 39 [member] |
Member |
|
|
obe:IAS39Member |
465 |
Classes of financial instruments [axis] |
Axis |
|
|
ifrs-full:ClassesOfFinancialInstrumentsAxis |
466 |
Financial instruments, class [member] |
Member |
|
|
ifrs-full:ClassesOfFinancialInstrumentsMember |
467 |
Cash and cash equivalents [member] |
Member |
|
|
obe:CashAndCashEquivalentMember |
468 |
Accounts receivable [member] |
Member |
|
|
obe:AccountsReceivableMember |
469 |
Accounts payable and accrued liabilities [member] |
Member |
|
|
obe:AccountsPayableAndAccruedLiabilitiesMember |
470 |
Long term debt [member] |
Member |
|
|
obe:LongTermDebtMember |
471 |
Risk management contracts [member] |
Member |
|
|
obe:RiskManagementContractsMember |
472 |
Disclosure of original measurement categories under IAS 39 and new measurement categories under IFRS 9 for each class of company financial assets and financial liabilities [line items] |
LineItems |
|
|
obe:DisclosureOfOriginalMeasurementCategoriesUnderIAS39AndNewMeasurementCategoriesUnderIFRS9ForEachClassOfCompanyFinancialAssetsAndFinancialLiabilitiesLineItems |
473 |
Measurement category |
Concept (Text/String) |
For Period |
|
obe:MeasurementCategory |
474 |
1049 - Disclosure - Deferred Funding Asset - Disclosure of Detailed Information About Composition of Deferred Funding Asset (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureDeferredFundingAssetDisclosureOfDetailedInformationAboutCompositionOfDeferredFundingAsset |
475 |
Disclosure of financial assets [table] |
Table |
* |
* |
ifrs-full:DisclosureOfFinancialAssetsTable |
476 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
477 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
478 |
Disclosure of financial assets [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfFinancialAssetsLineItems |
479 |
Current portion |
Concept (Monetary) |
As Of |
Debit |
obe:CurrentDeferredFundingAsset |
480 |
Long-term portion |
Concept (Monetary) |
As Of |
Debit |
obe:NoncurrentDeferredFundingAsset |
481 |
Total |
Concept (Monetary) |
As Of |
Debit |
obe:DeferredFundingAsset |
482 |
1050 - Disclosure - Assets and Liabilities Held for Sale - Disclosure of Detailed Information about Assets and Liabilities Held for Sale (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureAssetsAndLiabilitiesHeldForSaleDisclosureOfDetailedInformationAboutAssetsAndLiabilitiesHeldForSale |
483 |
Disclosure of assets and liabilities classified as held for sale [table] |
Table |
* |
* |
obe:DisclosureOfAssetsAndLiabilitiesClassifiedAsHeldForSaleTable |
484 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
485 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
486 |
Assets and liabilities [axis] |
Axis |
|
|
ifrs-full:AssetsAndLiabilitiesAxis |
487 |
Assets and liabilities [member] |
Member |
|
|
ifrs-full:AssetsAndLiabilitiesMember |
488 |
Working capital [member] |
Member |
|
|
obe:WorkingCapitalMember |
489 |
Disposal of property, plant and equipment [member] |
Member |
|
|
obe:DisposalOfPropertyPlantAndEquipmentMember |
490 |
Decommissioning liability [member] |
Member |
|
|
obe:DecommissioningLiabilityMember |
491 |
Disclosure of assets and liabilities classified as held for sale [line items] |
LineItems |
|
|
obe:DisclosureOfAssetsAndLiabilitiesClassifiedAsHeldForSaleLineItems |
492 |
Assets held for sale |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwners |
493 |
Liabilities related to assets held for sale |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:LiabilitiesIncludedInDisposalGroupsClassifiedAsHeldForSale |
494 |
1051 - Disclosure - Assets and Liabilities Held for Sale - Additional Information (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureAssetsAndLiabilitiesHeldForSaleAdditionalInformation |
495 |
Disclosure of assets and liabilities classified as held for sale [table] |
Table |
* |
* |
obe:DisclosureOfAssetsAndLiabilitiesClassifiedAsHeldForSaleTable |
496 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
497 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
498 |
Income Statement Location 1 [axis] |
Axis |
|
|
obe:IncomeStatementLocation1Axis |
499 |
Income Statement Location 1 [member] |
Member |
|
|
obe:IncomeStatementLocationMember |
500 |
Depletion depreciation, impairment and accretion [member] |
Member |
|
|
obe:DepletionDepreciationImpairmentAndAccretionMember |
501 |
Disclosure of assets and liabilities classified as held for sale [line items] |
LineItems |
|
|
obe:DisclosureOfAssetsAndLiabilitiesClassifiedAsHeldForSaleLineItems |
502 |
Impairment loss, net of tax |
Concept (Monetary) |
For Period |
|
obe:ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipmentNetOfTax |
503 |
1052 - Disclosure - Property, plant and equipment - Disclosure of Property Plant and Equipment (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosurePropertyPlantAndEquipmentDisclosureOfPropertyPlantAndEquipment |
504 |
Disclosure of detailed information about property, plant and equipment [table] |
Table |
* |
* |
ifrs-full:DisclosureOfPropertyPlantAndEquipmentTable |
505 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
506 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
507 |
Classes of property, plant and equipment [axis] |
Axis |
|
|
ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis |
508 |
Property, plant and equipment [member] |
Member |
|
|
ifrs-full:PropertyPlantAndEquipmentMember |
509 |
Oil and gas assets [member] |
Member |
|
|
ifrs-full:OilAndGasAssetsMember |
510 |
Facilities [member] |
Member |
|
|
obe:FacilitiesMember |
511 |
Corporate assets [member] |
Member |
|
|
obe:CorporateAssetsMember |
512 |
Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] |
Axis |
|
|
ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis |
513 |
Carrying amount [member] |
Member |
|
|
ifrs-full:CarryingAmountMember |
514 |
Cost [member] |
Member |
|
|
ifrs-full:GrossCarryingAmountMember |
515 |
Accumulated depletion, depreciation and impairment [member] |
Member |
|
|
ifrs-full:AccumulatedDepreciationAmortisationAndImpairmentMember |
516 |
Disclosure of detailed information about property, plant and equipment [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfPropertyPlantAndEquipmentLineItems |
517 |
Beginning balance |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:PropertyPlantAndEquipment |
518 |
Capital expenditures |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment |
519 |
Depletion and depreciation |
Concept (Monetary) |
For Period |
|
ifrs-full:DepreciationPropertyPlantAndEquipment |
520 |
Joint venture, carried capital |
Concept (Monetary) |
For Period |
Debit |
obe:JointVentureCarriedCapital |
521 |
Impairments |
Concept (Monetary) |
For Period |
|
ifrs-full:ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment |
522 |
Acquisitions |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AcquisitionsThroughBusinessCombinationsPropertyPlantAndEquipment |
523 |
Dispositions |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:DisposalsPropertyPlantAndEquipment |
524 |
Transfers to asset held for sale |
Concept (Monetary) |
For Period |
Credit |
obe:TransferToAssetHeldForSale |
525 |
Net decommissioning dispositions |
Concept (Monetary) |
For Period |
Credit |
obe:DecommissioningDispositionsNet |
526 |
SR&ED credits (note 11) |
Concept (Monetary) |
For Period |
Credit |
obe:ScientificResearchAndExperimentalDevelopmentTaxCredit |
527 |
Ending balance |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:PropertyPlantAndEquipment |
528 |
1053 - Disclosure - Property, plant and equipment - Additional Information (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosurePropertyPlantAndEquipmentAdditionalInformation |
529 |
Disclosure of detailed information about property, plant and equipment [table] |
Table |
* |
* |
ifrs-full:DisclosureOfPropertyPlantAndEquipmentTable |
530 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
531 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
532 |
Individual assets or cash-generating units [axis] |
Axis |
|
|
ifrs-full:IndividualAssetsOrCashgeneratingUnitsAxis |
533 |
Entity's total for individual assets or cash-generating units [member] |
Member |
|
|
ifrs-full:EntitysTotalForIndividualAssetsOrCashgeneratingUnitsMember |
534 |
Peace River CGU [member] |
Member |
|
|
obe:PeaceRiverCguMember |
535 |
Viking CGU [member] |
Member |
|
|
obe:VikingCguMember |
536 |
Legacy CGU [member] |
Member |
|
|
obe:LegacyCguMember |
537 |
Range [axis] |
Axis |
|
|
ifrs-full:RangeAxis |
538 |
Ranges [member] |
Member |
|
|
ifrs-full:RangesMember |
539 |
Bottom of range [member] |
Member |
|
|
ifrs-full:BottomOfRangeMember |
540 |
Top of range [member] |
Member |
|
|
ifrs-full:TopOfRangeMember |
541 |
Discount rate [axis] |
Axis |
|
|
obe:DiscountRateAxis |
542 |
Discount rate 1- [member] |
Member |
|
|
obe:DiscountRate1Member |
543 |
1% percent change in discount rate [member] |
Member |
|
|
obe:OnePercentChangeInDiscountRateMember |
544 |
5% change in forecast cash flows [member] |
Member |
|
|
obe:FivePercentChangeInForecastCashFlowsMember |
545 |
Disclosure of detailed information about property, plant and equipment [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfPropertyPlantAndEquipmentLineItems |
546 |
Gains on disposition of assets |
Concept (Monetary) |
For Period |
Credit |
obe:GainsLossesOnDisposalOfOilAndGasAssets |
547 |
Impairment reversal |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ReversalOfImpairmentLoss |
548 |
Impairment |
Concept (Monetary) |
For Period |
|
ifrs-full:ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment |
549 |
Description of value in use calculation |
Concept (Text/String) |
For Period |
|
obe:DescriptionOfValueInUseCalculation |
550 |
Discount rate used in current estimate of value in use |
Concept (Percent) |
As Of |
|
ifrs-full:DescriptionOfDiscountRatesUsedInCurrentEstimateOfValueInUse |
551 |
Pre-tax impairement expense recovery |
Concept (Monetary) |
For Period |
Credit |
obe:PretaxImpairmentExpenseRecovery |
552 |
1054 - Disclosure - Property, plant and equipment - Disclosure of Benchmark Prices Used in Impairment Tests (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosurePropertyPlantAndEquipmentDisclosureOfBenchmarkPricesUsedInImpairmentTests |
553 |
Disclosure of detailed information about property, plant and equipment [table] |
Table |
* |
* |
ifrs-full:DisclosureOfPropertyPlantAndEquipmentTable |
554 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
555 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
556 |
WTI [member] |
Member |
|
|
obe:WTIMember |
557 |
AECO [member] |
Member |
|
|
obe:AECOMember |
558 |
Disclosure of detailed information about property, plant and equipment [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfPropertyPlantAndEquipmentLineItems |
559 |
2019 |
Concept (Decimal) |
As Of |
|
obe:ExchangeRateOfBenchmarkPricesUsedInImpairmentTestWithinOneYear |
560 |
2020 |
Concept (Decimal) |
As Of |
|
obe:ExchangeRateOfBenchmarkPricesUsedInImpairmentTestInYearTwo |
561 |
2021 |
Concept (Decimal) |
As Of |
|
obe:ExchangeRateOfBenchmarkPricesUsedInImpairmentTestInYearThree |
562 |
2022 |
Concept (Decimal) |
As Of |
|
obe:ExchangeRateOfBenchmarkPricesUsedInImpairmentTestInYearFour |
563 |
2023 |
Concept (Decimal) |
As Of |
|
obe:ExchangeRateOfBenchmarkPricesUsedInImpairmentTestInYearFive |
564 |
2024 - 2029 |
Concept (Decimal) |
As Of |
|
obe:ExchangeRateOfBenchmarkPricesUsedInImpairmentTestAfterYearFive |
565 |
2019 |
Concept (Decimal) |
As Of |
|
obe:BenchmarkPricesUsedInImpairmentTestWithinOneYear |
566 |
2020 |
Concept (Decimal) |
As Of |
|
obe:BenchmarkPricesUsedInImpairmentTestInYearTwo |
567 |
2021 |
Concept (Decimal) |
As Of |
|
obe:BenchmarkPricesUsedInImpairmentTestInYearThree |
568 |
2022 |
Concept (Decimal) |
As Of |
|
obe:BenchmarkPricesUsedInImpairmentTestInYearFour |
569 |
2023 |
Concept (Decimal) |
As Of |
|
obe:BenchmarkPricesUsedInImpairmentTestInYearFive |
570 |
2024 - 2029 |
Concept (Decimal) |
As Of |
|
obe:BenchmarkPricesUsedInImpairmentTestAfterYearFive |
571 |
Thereafter (inflation percentage) |
Concept (Percent) |
As Of |
|
obe:BenchmarkPricesInflationPercentageUsedInImpairmentTest |
572 |
2019 |
Concept (Percent) |
As Of |
|
obe:InflationRateOfBenchmarkPricesUsedInImpairmentTestWithinOneYear |
573 |
2020 |
Concept (Percent) |
As Of |
|
obe:InflationRateOfBenchmarkPricesUsedInImpairmentTestInYearTwo |
574 |
2021 |
Concept (Percent) |
As Of |
|
obe:InflationRateOfBenchmarkPricesUsedInImpairmentTestInYearThree |
575 |
2022 |
Concept (Percent) |
As Of |
|
obe:InflationRateOfBenchmarkPricesUsedInImpairmentTestInYearFour |
576 |
2023 |
Concept (Percent) |
As Of |
|
obe:InflationRateOfBenchmarkPricesUsedInImpairmentTestInYearFive |
577 |
2024 - 2029 |
Concept (Percent) |
As Of |
|
obe:InflationRateOfBenchmarkPricesUsedInImpairmentTestAfterYearFive |
578 |
Thereafter (inflation percentage) |
Concept (Percent) |
As Of |
|
obe:InflationRateOfBenchmarkPricesUsedInImpairmentTestThereafter |
579 |
1055 - Disclosure - Long-term debt - Schedule of Long-term Debt (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureLongtermDebtScheduleOfLongtermDebt |
580 |
Disclosure of detailed information about borrowings [table] |
Table |
* |
* |
ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable |
581 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
582 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
583 |
Borrowings by name [axis] |
Axis |
|
|
ifrs-full:BorrowingsByNameAxis |
584 |
Borrowings by name [member] |
Member |
|
|
ifrs-full:BorrowingsByNameMember |
585 |
Bankers acceptances and prime rate loans [member] |
Member |
|
|
obe:BankersAcceptancesAndPrimeRateLoansMember |
586 |
5.90%, US$5 Million, maturing May 31, 2019 [member] |
Member |
|
|
obe:FivePointNineZeroPercentageUsSeniorNotesMember |
587 |
6.30%, US$24 Million, maturing May 29, 2018 [member] |
Member |
|
|
obe:SixPointThreeZeroPercentageTwoThousandEightSeniorNotesMember |
588 |
6.40%, US$4 Million, maturing May 29, 2020 [member] |
Member |
|
|
obe:SixPointFourZeroPercentageTwoThousandEightSeniorNotesMember |
589 |
9.32%, US$8 Million, maturing May 5, 2019 [member] |
Member |
|
|
obe:NinePointThreeTwoPercentageTwoThousandNineSeniorNotesMember |
590 |
5.85%, US$10 Million, maturing March 16, 2020 [member] |
Member |
|
|
obe:FivePointEightFivePercentageTwoThousandTenQOneSeniorNotesMember |
591 |
4.88%, US$13 Million, maturing December 2, 2020 [member] |
Member |
|
|
obe:FourPointEightEightPercentageTwoThousandTenQFourSeniorNotesMember |
592 |
4.98%, US$6 Million, maturing December 2, 2022 [member] |
Member |
|
|
obe:FourPointNineEightPercentageTwoThousandTenQFourSeniorNotesMember |
593 |
5.23%, US$2 Million, maturing December 2, 2025 [member] |
Member |
|
|
obe:FivePointTwoThreePercentageTwoThousandTenQFourSeniorNotesMember |
594 |
4.79%, US$12 Million, maturing November 30, 2021 [member] |
Member |
|
|
obe:FourPointSevenNinePercentageTwoThousandElevenFourQSeniorNotesMember |
595 |
Disclosure of detailed information about borrowings [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems |
596 |
Borrowings |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:Borrowings |
597 |
Current portion |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:CurrentPortionOfLongtermBorrowings |
598 |
Long-term portion |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:LongtermBorrowings |
599 |
Weighted average remaining life (years) |
Concept (Text/String) |
For Period |
|
obe:DebtWeightedAverageUsefulLife |
600 |
Weighted average interest rate |
Concept (Percent) |
For Period |
|
obe:DebtWeightedAverageInterestRate1 |
601 |
1056 - Disclosure - Long-term debt - Schedule of Long-term Debt (Parenthetical) (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureLongtermDebtScheduleOfLongtermDebtParenthetical |
602 |
Disclosure of detailed information about borrowings [table] |
Table |
* |
* |
ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable |
603 |
Borrowings by name [axis] |
Axis |
|
|
ifrs-full:BorrowingsByNameAxis |
604 |
Borrowings by name [member] |
Member |
|
|
ifrs-full:BorrowingsByNameMember |
605 |
5.90%, US$5 Million, maturing May 31, 2019 [member] |
Member |
|
|
obe:FivePointNineZeroPercentageUsSeniorNotesMember |
606 |
6.30%, US$24 Million, maturing May 29, 2018 [member] |
Member |
|
|
obe:SixPointThreeZeroPercentageTwoThousandEightSeniorNotesMember |
607 |
6.40%, US$4 Million, maturing May 29, 2020 [member] |
Member |
|
|
obe:SixPointFourZeroPercentageTwoThousandEightSeniorNotesMember |
608 |
9.32%, US$8 Million, maturing May 5, 2019 [member] |
Member |
|
|
obe:NinePointThreeTwoPercentageTwoThousandNineSeniorNotesMember |
609 |
5.85%, US$10 Million, maturing March 16, 2020 [member] |
Member |
|
|
obe:FivePointEightFivePercentageTwoThousandTenQOneSeniorNotesMember |
610 |
4.88%, US$13 Million, maturing December 2, 2020 [member] |
Member |
|
|
obe:FourPointEightEightPercentageTwoThousandTenQFourSeniorNotesMember |
611 |
4.98%, US$6 Million, maturing December 2, 2022 [member] |
Member |
|
|
obe:FourPointNineEightPercentageTwoThousandTenQFourSeniorNotesMember |
612 |
5.23%, US$2 Million, maturing December 2, 2025 [member] |
Member |
|
|
obe:FivePointTwoThreePercentageTwoThousandTenQFourSeniorNotesMember |
613 |
4.79%, US$12 Million, maturing November 30, 2021 [member] |
Member |
|
|
obe:FourPointSevenNinePercentageTwoThousandElevenFourQSeniorNotesMember |
614 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
615 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
616 |
Disclosure of detailed information about borrowings [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems |
617 |
Debt, interest rate |
Concept (Percent) |
As Of |
|
obe:DebtInstrumentInterestRateStatedPercentage1 |
618 |
Debt |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:DebtSecurities |
619 |
Debt, maturity date |
Concept (Text/String) |
For Period |
|
ifrs-full:BorrowingsMaturity |
620 |
1057 - Disclosure - Long-term debt - Additional Information (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureLongtermDebtAdditionalInformation |
621 |
Disclosure of detailed information about borrowings [table] |
Table |
* |
* |
ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable |
622 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
623 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
624 |
Categories of financial liabilities [axis] |
Axis |
|
|
ifrs-full:CategoriesOfFinancialLiabilitiesAxis |
625 |
Financial liabilities, category [member] |
Member |
|
|
ifrs-full:FinancialLiabilitiesCategoryMember |
626 |
Syndicated credit facility [member] |
Member |
|
|
obe:SyndicatedCreditFacilityMember |
627 |
Range [axis] |
Axis |
|
|
ifrs-full:RangeAxis |
628 |
Ranges [member] |
Member |
|
|
ifrs-full:RangesMember |
629 |
Top of range [member] |
Member |
|
|
ifrs-full:TopOfRangeMember |
630 |
Non-adjusting events after reporting period [axis] |
Axis |
|
|
ifrs-full:NonadjustingEventsAfterReportingPeriodAxis |
631 |
Non-adjusting events after reporting period [member] |
Member |
|
|
ifrs-full:NonadjustingEventsMember |
632 |
Amending agreements [member] |
Member |
|
|
obe:AmendingAgreementsMember |
633 |
Prior amending agreements [member] |
Member |
|
|
obe:PriorAmendingAgreementsMember |
634 |
Disclosure of detailed information about borrowings [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems |
635 |
Repayment of senior notes |
Concept (Monetary) |
For Period |
Credit |
obe:RepaymentOfSeniorNotes |
636 |
Debt |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:DebtSecurities |
637 |
Available borrowing facilities |
Concept (Monetary) |
As Of |
Credit |
obe:AvailableBorrowingFacilities |
638 |
Debt, maturity date |
Concept (Text/String) |
For Period |
|
ifrs-full:BorrowingsMaturity |
639 |
Credit facilities term out period |
Concept (xbrli:durationItemType) |
For Period |
|
obe:CreditFacilitiesTermOutPeriod |
640 |
Percentage of long-term debt instruments exposed to changes in short-term interest rates |
Concept (Percent) |
For Period |
|
obe:PercentageOfLongTermDebtInstrumentsExposedToChangesInShortTermInterestRates |
641 |
Letters of credit outstanding |
Concept (Monetary) |
As Of |
Credit |
obe:LineOfCreditFacilityAmount |
642 |
Senior debt to Adjusted EBITDA |
Concept (Pure) |
As Of |
|
obe:SeniorDebtToAdjustedEarningsBeforeInterestTaxesDepreciationAndAmortizationConversionRatio |
643 |
Total debt to Adjusted EBITDA |
Concept (Pure) |
As Of |
|
obe:DebtToAdjustedEarningsBeforeInterestTaxesDepreciationAndAmortizationConversionRatio |
644 |
1058 - Disclosure - Long-term debt - Estimated Fair Values of Principal and Interest Obligations of Outstanding Senior Secured Notes (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureLongtermDebtEstimatedFairValuesOfPrincipalAndInterestObligationsOfOutstandingSeniorSecuredNotes |
645 |
Disclosure of fair value measurement of liabilities [table] |
Table |
* |
* |
ifrs-full:DisclosureOfFairValueMeasurementOfLiabilitiesTable |
646 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
647 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
648 |
Borrowings by name [axis] |
Axis |
|
|
ifrs-full:BorrowingsByNameAxis |
649 |
Borrowings by name [member] |
Member |
|
|
ifrs-full:BorrowingsByNameMember |
650 |
2007 notes [member] |
Member |
|
|
obe:TwoThousandSevenSeniorNotesMember |
651 |
2008 notes [member] |
Member |
|
|
obe:TwoThousandEightSeniorNotesMember |
652 |
2009 notes [member] |
Member |
|
|
obe:TwoThousandNineSeniorNotesMember |
653 |
2010 Q1 notes [member] |
Member |
|
|
obe:TwoThousandTenQOneSeniorNotesMember |
654 |
2010 Q4 notes [member] |
Member |
|
|
obe:TwoThousandTenQFourSeniorNotesMember |
655 |
2011 notes [member] |
Member |
|
|
obe:TwoThousandElevenSeniorNotesMember |
656 |
Disclosure of fair value measurement of liabilities [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfFairValueMeasurementOfLiabilitiesLineItems |
657 |
Senior notes |
Concept (Monetary) |
As Of |
Credit |
obe:DebtInstrumentFairValue1 |
658 |
1059 - Disclosure - Long-term debt - Realized and Unrealized Gain (Loss) on Foreign Exchange (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureLongtermDebtRealizedAndUnrealizedGainLossOnForeignExchange |
659 |
Disclosure Of Foreign Exchange Rates [table] |
Table |
* |
* |
obe:DisclosureOfForeignExchangeRatesTable |
660 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
661 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
662 |
Disclosure of foreign exchange rates [line items] |
LineItems |
|
|
obe:DisclosureOfForeignExchangeRatesLineItems |
663 |
Realized foreign exchange loss on debt maturities |
Concept (Monetary) |
For Period |
Debit |
obe:LossOnForeignExchangeDebtMaturitiesRecognised |
664 |
Unrealized foreign exchange gain |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdjustmentsForUnrealisedForeignExchangeLossesGains |
665 |
Foreign exchange gain (loss) |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss |
666 |
1060 - Disclosure - Provisions - Summary of Provisions (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureProvisionsSummaryOfProvisions |
667 |
Disclosure of Provisions [table] |
Table |
* |
* |
obe:DisclosureOfProvisionsTable |
668 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
669 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
670 |
Disclosure of Provisions [line items] |
LineItems |
|
|
obe:DisclosureOfProvisionsLineItems |
671 |
Decommissioning liability |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:ProvisionForDecommissioningRestorationAndRehabilitationCosts |
672 |
Office lease provision |
Concept (Monetary) |
As Of |
Credit |
obe:OfficeLeaseProvision |
673 |
Total |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:Provisions |
674 |
Current portion |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:CurrentProvisions |
675 |
Long-term portion |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:NoncurrentProvisions |
676 |
Total |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:Provisions |
677 |
1061 - Disclosure - Provisions - Additional Information (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureProvisionsAdditionalInformation |
678 |
Disclosure of provision matrix [table] |
Table |
* |
* |
ifrs-full:DisclosureOfProvisionMatrixTable |
679 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
680 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
681 |
Classes of other provisions [axis] |
Axis |
|
|
ifrs-full:ClassesOfProvisionsAxis |
682 |
Other provisions [member] |
Member |
|
|
ifrs-full:OtherProvisionsMember |
683 |
Decommissioning liability on undiscounted uninflated basis [member] |
Member |
|
|
obe:DecommissioningLiabilityOnUndiscountedUninflatedBasisMember |
684 |
Disclosure of provision matrix [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfProvisionMatrixLineItems |
685 |
Decommissioning liability, inflation factor rate |
Concept (Percent) |
For Period |
|
obe:DecommissioningLiabilityInflationFactorRate |
686 |
Decommissioning liability, credit-adjusted rate |
Concept (Percent) |
For Period |
|
obe:DecommissioningLiabilityCreditAdjustedRate |
687 |
Decommissioning liability, expected useful life |
Concept (Decimal) |
For Period |
|
obe:DecommissioningLiabilityExpectedUsefulLife |
688 |
Decommissioning liability |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:ProvisionForDecommissioningRestorationAndRehabilitationCosts |
689 |
Office lease provision, credit-adjusted discount rate |
Concept (Percent) |
For Period |
|
obe:OfficeLeaseProvisionCreditAdjustedDiscountRate |
690 |
1062 - Disclosure - Provisions - Summary of Changes to Decommissioning Liability (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureProvisionsSummaryOfChangesToDecommissioningLiability |
691 |
Disclosure of Provisions [table] |
Table |
* |
* |
obe:DisclosureOfProvisionsTable |
692 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
693 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
694 |
Disclosure of Provisions [line items] |
LineItems |
|
|
obe:DisclosureOfProvisionsLineItems |
695 |
Balance, beginning of year |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:ProvisionForDecommissioningRestorationAndRehabilitationCosts |
696 |
Net liabilities added (disposed) |
Concept (Monetary) |
For Period |
Debit |
obe:IncreaseDecreaseThroughDispositionOfAssetsProvisions |
697 |
Decrease due to changes in estimates |
Concept (Monetary) |
For Period |
Debit |
obe:IncreaseDecreaseInDecommissioningLiabilityDueToChangesInEstimates |
698 |
Liabilities settled |
Concept (Monetary) |
For Period |
Debit |
obe:ProvisionsSettledOrAssetsDecommissioned |
699 |
Transfers to liabilities for assets held for sale |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:DecreaseThroughTransferToLiabilitiesIncludedInDisposalGroupsClassifiedAsHeldForSaleOtherProvisions |
700 |
Accretion charges |
Concept (Monetary) |
For Period |
Credit |
obe:IncreaseDueToAccretionProvisions |
701 |
Balance, end of year |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:ProvisionForDecommissioningRestorationAndRehabilitationCosts |
702 |
Current portion |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:ShorttermProvisionForDecommissioningRestorationAndRehabilitationCosts |
703 |
Long-term portion |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:LongtermProvisionForDecommissioningRestorationAndRehabilitationCosts |
704 |
1063 - Disclosure - Provisions - Summary of Changes to Decommissioning Liability (Parenthetical) (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureProvisionsSummaryOfChangesToDecommissioningLiabilityParenthetical |
705 |
Disclosure of Provisions [table] |
Table |
* |
* |
obe:DisclosureOfProvisionsTable |
706 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
707 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
708 |
Disclosure of Provisions [line items] |
LineItems |
|
|
obe:DisclosureOfProvisionsLineItems |
709 |
Increase (decrease) in decommissioning liability due to change in discount rate |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:IncreaseDecreaseThroughChangeInDiscountRateOtherProvisions |
710 |
1064 - Disclosure - Provisions - Summary of Changes to Office Lease Provision (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureProvisionsSummaryOfChangesToOfficeLeaseProvision |
711 |
Disclosure of Provisions [table] |
Table |
* |
* |
obe:DisclosureOfProvisionsTable |
712 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
713 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
714 |
Disclosure of Provisions [line items] |
LineItems |
|
|
obe:DisclosureOfProvisionsLineItems |
715 |
Balance, beginning of year |
Concept (Monetary) |
As Of |
Credit |
obe:OfficeLeaseProvision |
716 |
Net additions (dispositions) |
Concept (Monetary) |
For Period |
Debit |
obe:OfficeLeaseProvisionNetAdditionsDispositions |
717 |
Decrease due to changes in estimates |
Concept (Monetary) |
For Period |
Credit |
obe:DecreaseInOfficeLeaseProvisionNetAdditionsDueToChangesInEstimates |
718 |
Settlements |
Concept (Monetary) |
For Period |
Debit |
obe:OfficeLeaseProvisionCashSettlements |
719 |
Accretion charges |
Concept (Monetary) |
For Period |
Credit |
obe:OfficeLeaseProvisionAccretionCharges |
720 |
Balance, end of year |
Concept (Monetary) |
As Of |
Credit |
obe:OfficeLeaseProvision |
721 |
Current portion |
Concept (Monetary) |
As Of |
Credit |
obe:CurrentOfficeLeaseProvision |
722 |
Long-term portion |
Concept (Monetary) |
As Of |
Credit |
obe:NoncurrentOfficeLeaseProvision |
723 |
1065 - Disclosure - Risk management - Additional Information (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureRiskManagementAdditionalInformation |
724 |
Disclosure of risk management strategy [table] |
Table |
* |
* |
obe:DisclosureOfRiskManagementStrategyTable |
725 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
726 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
727 |
Borrowings by name [axis] |
Axis |
|
|
ifrs-full:BorrowingsByNameAxis |
728 |
Borrowings by name [member] |
Member |
|
|
ifrs-full:BorrowingsByNameMember |
729 |
Senior notes [member] |
Member |
|
|
obe:SeniorNotes1Member |
730 |
Measurement [axis] |
Axis |
|
|
ifrs-full:MeasurementAxis |
731 |
Aggregated measurement [member] |
Member |
|
|
ifrs-full:AggregatedMeasurementMember |
732 |
At fair value [member] |
Member |
|
|
ifrs-full:AtFairValueMember |
733 |
Classes of assets [axis] |
Axis |
|
|
ifrs-full:ClassesOfAssetsAxis |
734 |
Assets [member] |
Member |
|
|
ifrs-full:ClassesOfAssetsMember |
735 |
Natural gas [member] |
Member |
|
|
obe:NaturalGasMember |
736 |
Types of risks [axis] |
Axis |
|
|
ifrs-full:TypesOfRisksAxis |
737 |
Risks [member] |
Member |
|
|
ifrs-full:TypesOfRisksMember |
738 |
Pound sterling cross currency swap [member] |
Member |
|
|
obe:PoundSterlingCrossCurrencySwapsMember |
739 |
Past due status [axis] |
Axis |
|
|
ifrs-full:PastDueStatusAxis |
740 |
Past due status [member] |
Member |
|
|
ifrs-full:PastDueStatusMember |
741 |
Later than three months [member] |
Member |
|
|
ifrs-full:LaterThanThreeMonthsMember |
742 |
Disclosure of risk management strategy [line items] |
LineItems |
|
|
obe:DisclosureOfRiskManagementStrategyLineItems |
743 |
Senior notes |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:NotesAndDebenturesIssued |
744 |
Pre-tax unrealized risk management, change in price per unit |
Concept (Decimal) |
As Of |
|
obe:PreTaxUnrealizedRiskManagementChangeInPricePerUnit |
745 |
Pre-tax unrealized risk management, change in price, amount |
Concept (Monetary) |
As Of |
Credit |
obe:PreTaxUnrealizedRiskManagementChangeInPriceAmount |
746 |
Risk management, description |
Concept (Text/String) |
For Period |
|
obe:RiskManagementDescription |
747 |
Realized loss |
Concept (Monetary) |
For Period |
Credit |
obe:RealizedRiskManagementGainLoss |
748 |
Maximum exposure to credit risk |
Concept (Monetary) |
As Of |
|
ifrs-full:MaximumExposureToCreditRisk |
749 |
Accounts receivable, carrying value |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:TradeAndOtherCurrentReceivables |
750 |
Derivative financial assets, fair value |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:DerivativeFinancialAssets |
751 |
Percentage of long term debt instruments exposed to changes in short term interest rates |
Concept (Percent) |
For Period |
|
obe:PercentageOfLongTermDebtInstrumentsExposedToChangesInShortTermInterestRates |
752 |
Fixed interest rate debt instruments outstanding |
Concept (Monetary) |
As Of |
Credit |
obe:FixedInterestRateDebtInstrumentsOutstanding |
753 |
Fixed interest rate debt instruments average remaining term |
Concept (xbrli:durationItemType) |
For Period |
|
obe:FixedInterestRateDebtInstrumentsAverageRemainingTerm |
754 |
Average interest rate |
Concept (Percent) |
As Of |
|
obe:DebtInstrumentsAverageInterestRate |
755 |
1066 - Disclosure - Risk management - Summary of Reconciliation of Change in Fair Value of Financial Instruments Outstanding (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureRiskManagementSummaryOfReconciliationOfChangeInFairValueOfFinancialInstrumentsOutstanding |
756 |
Disclosure of detailed information about financial instruments [table] |
Table |
* |
* |
ifrs-full:DisclosureOfFinancialInstrumentsTable |
757 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
758 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
759 |
Measurement [axis] |
Axis |
|
|
ifrs-full:MeasurementAxis |
760 |
Aggregated measurement [member] |
Member |
|
|
ifrs-full:AggregatedMeasurementMember |
761 |
At fair value [member] |
Member |
|
|
ifrs-full:AtFairValueMember |
762 |
Disclosure of detailed information about financial instruments [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfFinancialInstrumentsLineItems |
763 |
Balance, beginning of year |
Concept (Monetary) |
As Of |
Debit |
obe:FinancialAssetLiabilities |
764 |
Unrealized gain (loss) on financial instruments: |
Abstract |
|
|
obe:UnrealizedGainLossOnFinancialInstrumentsAbstract |
765 |
Commodity collars and swaps |
Concept (Monetary) |
For Period |
Credit |
obe:UnrealizedGainLossOnFinancialInstrumentsCommodityCollarsAndSwaps |
766 |
Foreign exchange forwards |
Concept (Monetary) |
For Period |
Credit |
obe:UnrealizedGainLossOnFinancialInstrumentsForeignExchangeForwards |
767 |
Cross currency swaps |
Concept (Monetary) |
For Period |
Credit |
obe:UnrealizedGainLossOnFinancialInstrumentsCrossCurrencySwaps |
768 |
Total fair value, end of year |
Concept (Monetary) |
As Of |
Debit |
obe:FinancialAssetLiabilities |
769 |
Total fair value consists of the following: |
Abstract |
|
|
obe:FinancialInstrumentsAbstract |
770 |
Current asset portion |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CurrentFinancialAssets |
771 |
Current liability portion |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:CurrentFinancialLiabilities |
772 |
Non-current asset portion |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:NoncurrentFinancialAssets |
773 |
Non-current liability portion |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:NoncurrentFinancialLiabilities |
774 |
Total fair value, end of year |
Concept (Monetary) |
As Of |
Debit |
obe:FinancialAssetLiabilities |
775 |
1067 - Disclosure - Risk management - Schedule of Financial Instruments Outstanding (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureRiskManagementScheduleOfFinancialInstrumentsOutstanding |
776 |
Disclosure of detailed information about financial instruments [table] |
Table |
* |
* |
ifrs-full:DisclosureOfFinancialInstrumentsTable |
777 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
778 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
779 |
Classes of assets [axis] |
Axis |
|
|
ifrs-full:ClassesOfAssetsAxis |
780 |
Assets [member] |
Member |
|
|
ifrs-full:ClassesOfAssetsMember |
781 |
Crude oil [member] |
Member |
|
|
obe:CrudeOil1Member |
782 |
Classes of financial assets [axis] |
Axis |
|
|
ifrs-full:ClassesOfFinancialAssetsAxis |
783 |
Financial assets, class [member] |
Member |
|
|
ifrs-full:FinancialAssetsMember |
784 |
W T I swaps [member] |
Member |
|
|
obe:WTISwapsMember |
785 |
Foreign exchange forward contracts on revenue [member] |
Member |
|
|
obe:ForeignExchangeForwardContractsOnRevenueMember |
786 |
Contract duration [axis] |
Axis |
|
|
ifrs-full:ContractDurationAxis |
787 |
Contract duration [member] |
Member |
|
|
ifrs-full:ContractDurationMember |
788 |
Q1 2019 [member] |
Member |
|
|
obe:RemainingTermQuarterOneTwoThousandNineteenOneMember |
789 |
Q1 2019 [member] |
Member |
|
|
obe:RemainingTermQuarterOneTwoThousandNineteenTwoMember |
790 |
Q1 2019 [member] |
Member |
|
|
obe:RemainingTermQuarterOneTwoThousandNineteenThreeMember |
791 |
Jan/19 - Jun/19 [member] |
Member |
|
|
obe:RemainingTermJanuaryTwoThousandNineteenToJuneTwoThousandNineteenMember |
792 |
Q2 2019 [member] |
Member |
|
|
obe:RemainingTermQuarterTwoTwoThousandNineteenMember |
793 |
FX swap [member] |
Member |
|
|
obe:FXSwapMember |
794 |
Classes of financial instruments [axis] |
Axis |
|
|
ifrs-full:ClassesOfFinancialInstrumentsAxis |
795 |
Financial instruments, class [member] |
Member |
|
|
ifrs-full:ClassesOfFinancialInstrumentsMember |
796 |
FX swap [member] |
Member |
|
|
obe:FXSwapMember |
797 |
FX Swap 3 [member] |
Member |
|
|
obe:FXSwap3Member |
798 |
Disclosure of detailed information about financial instruments [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfFinancialInstrumentsLineItems |
799 |
Financial instruments, notional volume |
Concept (Decimal) |
As Of |
|
obe:FinancialInstrumentsNotionalVolume |
800 |
Notional value |
Concept (Monetary) |
As Of |
|
ifrs-full:NotionalAmount |
801 |
Financial instruments, remaining term, description |
Concept (Text/String) |
For Period |
|
obe:FinancialInstrumentsRemainingTermDescription |
802 |
Foreign exchange forward rate |
Concept (Decimal) |
As Of |
|
obe:ForeignExchangeForwardRate |
803 |
Financial instruments, benchmark pricing per unit |
Concept (Decimal) |
As Of |
|
obe:FinancialInstrumentsBenchmarkPricingPerUnit |
804 |
Financial liabilities, at fair value |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:FinancialLiabilitiesAtFairValue |
805 |
Financial Assets, at fair value |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:FinancialAssetsAtFairValue |
806 |
1068 - Disclosure - Risk management - Components of Risk Management on Consolidated Statements of Income (Loss) (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureRiskManagementComponentsOfRiskManagementOnConsolidatedStatementsOfIncomeLoss |
807 |
Disclosure of nature and extent of risks arising from financial instruments [table] |
Table |
* |
* |
ifrs-full:DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable |
808 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
809 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
810 |
Disclosure of nature and extent of risks arising from financial instruments [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems |
811 |
Realized risk management gain/loss on settlement of commodity contracts/assignment |
Concept (Monetary) |
For Period |
Credit |
obe:RealizedRiskManagementGainLossOnSettlementOfCommodityContracts |
812 |
Realized risk management gain/loss on settlement of foreign exchange contracts |
Concept (Monetary) |
For Period |
Credit |
obe:RealizedRiskManagementGainLossOnSettlementOfForeignExchangeContracts |
813 |
Total realized risk management gain (loss) |
Concept (Monetary) |
For Period |
Credit |
obe:RealizedRiskManagementGainLoss |
814 |
Unrealized risk management gain/loss on commodity contracts |
Concept (Monetary) |
For Period |
Credit |
obe:UnrealizedRiskManagementGainLossOnCommodityContracts |
815 |
Unrealized risk management gain/loss on foreign exchange contracts |
Concept (Monetary) |
For Period |
Credit |
obe:UnrealizedRiskManagementGainLossOnForeignExchangeContracts |
816 |
Unrealized risk management gain/loss on cross currency swaps |
Concept (Monetary) |
For Period |
Credit |
obe:UnrealizedRiskManagementGainLossOnCrossCurrencySwaps |
817 |
Total unrealized risk management gain (loss) |
Concept (Monetary) |
For Period |
Credit |
obe:UnrealizedRiskManagementGainLoss |
818 |
Risk management gain (loss) |
Concept (Monetary) |
For Period |
Credit |
obe:RiskManagementGainLoss |
819 |
1069 - Disclosure - Risk management - Disclosure of Detailed Information about Accounts Receivable (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureRiskManagementDisclosureOfDetailedInformationAboutAccountsReceivable |
820 |
Disclosure of Accounts receivable [table] |
Table |
* |
* |
obe:DisclosureOfAccountsReceivableTable |
821 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
822 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
823 |
Past due status [axis] |
Axis |
|
|
ifrs-full:PastDueStatusAxis |
824 |
Past due status [member] |
Member |
|
|
ifrs-full:PastDueStatusMember |
825 |
Current [member] |
Member |
|
|
ifrs-full:CurrentMember |
826 |
Later than one month and not later than three months [member] |
Member |
|
|
ifrs-full:LaterThanOneMonthAndNotLaterThanThreeMonthsMember |
827 |
Later than three months [member] |
Member |
|
|
ifrs-full:LaterThanThreeMonthsMember |
828 |
Disclosure of accounts receivables [line items] |
LineItems |
|
|
obe:DisclosureOfAccountsReceivablesLineItems |
829 |
Accounts receivables |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:TradeAndOtherCurrentReceivables |
830 |
1070 - Disclosure - Risk management - Disclosure of Detailed Information about Accounts Receivable (Parenthetical) (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureRiskManagementDisclosureOfDetailedInformationAboutAccountsReceivableParenthetical |
831 |
Disclosure of Accounts receivable [table] |
Table |
* |
* |
obe:DisclosureOfAccountsReceivableTable |
832 |
Assets and liabilities classified as held for sale [axis] |
Axis |
|
|
ifrs-full:AssetsAndLiabilitiesClassifiedAsHeldForSaleAxis |
833 |
Assets and liabilities not classified as held for sale [member] |
Member |
|
|
ifrs-full:AssetsAndLiabilitiesNotClassifiedAsHeldForSaleMember |
834 |
Disposal groups classified as held for sale [member] |
Member |
|
|
ifrs-full:DisposalGroupsClassifiedAsHeldForSaleMember |
835 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
836 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
837 |
Disclosure of accounts receivables [line items] |
LineItems |
|
|
obe:DisclosureOfAccountsReceivablesLineItems |
838 |
Accounts receivables |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CurrentTradeReceivables |
839 |
1071 - Disclosure - Risk management - Summary of Estimated Future Obligations for Non-Derivative Financial Liabilities (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureRiskManagementSummaryOfEstimatedFutureObligationsForNonDerivativeFinancialLiabilities |
840 |
Disclosure of financial liabilities [table] |
Table |
* |
* |
ifrs-full:DisclosureOfFinancialLiabilitiesTable |
841 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
842 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
843 |
Categories of financial liabilities [axis] |
Axis |
|
|
ifrs-full:CategoriesOfFinancialLiabilitiesAxis |
844 |
Financial liabilities, category [member] |
Member |
|
|
ifrs-full:FinancialLiabilitiesCategoryMember |
845 |
2019 [member] |
Member |
|
|
obe:TwoThousandNineteenMember |
846 |
2020 [member] |
Member |
|
|
obe:TwoThousandTwentyMember |
847 |
2021 [member] |
Member |
|
|
obe:TwoThousandTwentyOneMember |
848 |
2022 [member] |
Member |
|
|
obe:TwoThousandTwentyTwoMember |
849 |
Thereafter [member] |
Member |
|
|
obe:ThereafterMember |
850 |
Disclosure of financial liabilities [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfFinancialLiabilitiesLineItems |
851 |
Long-term debt |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:Borrowings |
852 |
Accounts payable & accrued liabilities |
Concept (Monetary) |
As Of |
Credit |
obe:AccountsPayableAndAccruedLiabilities |
853 |
Share-based compensation accrual |
Concept (Monetary) |
As Of |
Credit |
obe:ShareBasedCompensationAccrual |
854 |
Bank overdraft |
Concept (Monetary) |
As Of |
Credit |
obe:BankOverdraft |
855 |
Total |
Concept (Monetary) |
As Of |
Credit |
obe:EstimatedFutureObligationsForNonderivativeFinancialLiabilities |
856 |
1072 - Disclosure - Risk management - Summary of Estimated Future Obligations for Non-Derivative Financial Liabilities (Parenthetical) (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureRiskManagementSummaryOfEstimatedFutureObligationsForNonDerivativeFinancialLiabilitiesParenthetical |
857 |
Disclosure of financial liabilities [table] |
Table |
* |
* |
ifrs-full:DisclosureOfFinancialLiabilitiesTable |
858 |
Borrowings by name [axis] |
Axis |
|
|
ifrs-full:BorrowingsByNameAxis |
859 |
Borrowings by name [member] |
Member |
|
|
ifrs-full:BorrowingsByNameMember |
860 |
Syndicated credit facility [member] |
Member |
|
|
obe:SyndicatedCreditFacilityMember |
861 |
Categories of financial liabilities [axis] |
Axis |
|
|
ifrs-full:CategoriesOfFinancialLiabilitiesAxis |
862 |
Financial liabilities, category [member] |
Member |
|
|
ifrs-full:FinancialLiabilitiesCategoryMember |
863 |
2020 [member] |
Member |
|
|
obe:TwoThousandTwentyMember |
864 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
865 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
866 |
Disclosure of financial liabilities [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfFinancialLiabilitiesLineItems |
867 |
Long-term debt |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:Borrowings |
868 |
1073 - Disclosure - Revenue - Disclosure of Significant Revenue (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureRevenueDisclosureOfSignificantRevenue |
869 |
Disclosure of disaggregation of revenue from contracts with customers [table] |
Table |
* |
* |
ifrs-full:DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersTable |
870 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
871 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
872 |
Products and services [axis] |
Axis |
|
|
ifrs-full:ProductsAndServicesAxis |
873 |
Products and services [member] |
Member |
|
|
ifrs-full:ProductsAndServicesMember |
874 |
Crude oil [member] |
Member |
|
|
obe:CrudeOilMember |
875 |
Natural gas liquids [member] |
Member |
|
|
obe:NaturalGasLiquidsMember |
876 |
Natural gas [member] |
Member |
|
|
obe:NaturalGasMember |
877 |
Disclosure of disaggregation of revenue from contracts with customers [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersLineItems |
878 |
Production revenues |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:RevenueFromContractsWithCustomers |
879 |
Processing fees |
Concept (Monetary) |
For Period |
Credit |
obe:ProcessingRevenue |
880 |
Other income |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:OtherIncome |
881 |
Oil and natural gas sales and other income |
Concept (Monetary) |
For Period |
Credit |
obe:RevenueFromSaleOfOilGasProductsAndOtherIncome |
882 |
1074 - Disclosure - Revenue - Additional Information (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureRevenueAdditionalInformation |
883 |
Disclosure of disaggregation of revenue from contracts with customers [table] |
Table |
* |
* |
ifrs-full:DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersTable |
884 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
885 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
886 |
Products and services [axis] |
Axis |
|
|
ifrs-full:ProductsAndServicesAxis |
887 |
Products and services [member] |
Member |
|
|
ifrs-full:ProductsAndServicesMember |
888 |
Natural gas liquids [member] |
Member |
|
|
obe:NaturalGasLiquidsMember |
889 |
Categories of related parties [axis] |
Axis |
|
|
ifrs-full:CategoriesOfRelatedPartiesAxis |
890 |
Entity's total for related parties [member] |
Member |
|
|
ifrs-full:EntitysTotalForRelatedPartiesMember |
891 |
Northern Border Ventura [member] |
Member |
|
|
obe:NorthernBorderVenturaMember |
892 |
Disclosure of disaggregation of revenue from contracts with customers [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersLineItems |
893 |
Other income |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:OtherIncome |
894 |
1075 - Disclosure - Income taxes - Summary of Provision for Income Taxes (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureIncomeTaxesSummaryOfProvisionForIncomeTaxes |
895 |
Disclosure representing major components of tax expense income [table] |
Table |
* |
* |
obe:DisclosureRepresentingMajorComponentsOfTaxExpenseIncomeTable |
896 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
897 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
898 |
Disclosure representing major components of tax expense income [line items] |
LineItems |
|
|
obe:DisclosureRepresentingMajorComponentsOfTaxExpenseIncomeLineItems |
899 |
Deferred tax recovery |
Concept (Monetary) |
For Period |
|
ifrs-full:DeferredTaxExpenseIncomeRecognisedInProfitOrLoss |
900 |
1076 - Disclosure - Income taxes - Summary of Provision for Income Taxes Reflects Effective Tax Rate (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureIncomeTaxesSummaryOfProvisionForIncomeTaxesReflectsEffectiveTaxRate |
901 |
Disclosure representing major components of tax expense income [table] |
Table |
* |
* |
obe:DisclosureRepresentingMajorComponentsOfTaxExpenseIncomeTable |
902 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
903 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
904 |
Disclosure representing major components of tax expense income [line items] |
LineItems |
|
|
obe:DisclosureRepresentingMajorComponentsOfTaxExpenseIncomeLineItems |
905 |
Loss before taxes |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ProfitLossBeforeTax |
906 |
Combined statutory tax rate |
Concept (Percent) |
For Period |
|
obe:CombinedFederalAndProvincialStatutoryTaxRates |
907 |
Computed income tax recovery |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:TaxExpenseIncomeAtApplicableTaxRate |
908 |
Increase (decrease) resulting from: |
Abstract |
|
|
ifrs-full:ReconciliationOfAccountingProfitMultipliedByApplicableTaxRatesAbstract |
909 |
Share-based compensation |
Concept (Monetary) |
For Period |
Debit |
obe:TaxEffectOfSharebasedCompensation |
910 |
Non-taxable foreign exchange (gain) loss |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:TaxEffectOfForeignTaxRates |
911 |
Unrecognized deferred tax asset |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:DeferredTaxAssets |
912 |
Adjustments related to prior years |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdjustmentsForDeferredTaxOfPriorPeriods |
913 |
Other |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:OtherComponentsOfDeferredTaxExpenseIncome |
914 |
Deferred tax recovery |
Concept (Monetary) |
For Period |
|
ifrs-full:DeferredTaxExpenseIncomeRecognisedInProfitOrLoss |
915 |
1077 - Disclosure - Income taxes - Summary of Net Deferred Income Tax Liability (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureIncomeTaxesSummaryOfNetDeferredIncomeTaxLiability |
916 |
Disclosure of temporary difference, unused tax losses and unused tax credits [table] |
Table |
* |
* |
ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable |
917 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
918 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
919 |
Temporary difference, unused tax losses and unused tax credits [axis] |
Axis |
|
|
ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis |
920 |
Temporary difference, unused tax losses and unused tax credits [member] |
Member |
|
|
ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember |
921 |
PP&E [member] |
Member |
|
|
obe:DeferredTaxLiabilitiesPropertyPlantAndEquipmentMember |
922 |
Risk Management [member] |
Member |
|
|
obe:RiskManagementMember |
923 |
Decommissioning liability [member] |
Member |
|
|
obe:DecommissioningLiabilityMember |
924 |
Share-based Compensation [member] |
Member |
|
|
obe:ShareBasedCompensationMember |
925 |
Non-capital Losses [member] |
Member |
|
|
obe:NoncapitalLossesMember |
926 |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems |
927 |
Beginning Balance |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:DeferredTaxLiabilityAsset |
928 |
Provision (Recovery) in Income |
Concept (Monetary) |
For Period |
|
ifrs-full:DeferredTaxExpenseIncomeRecognisedInProfitOrLoss |
929 |
Recognized in Property, Plant and Equipment |
Concept (Monetary) |
For Period |
Debit |
obe:DeferredTaxExpenseIncomeRecognisedInPropertyPlantAndEquipment |
930 |
Ending Balance |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:DeferredTaxLiabilityAsset |
931 |
1078 - Disclosure - Income Taxes - Additional Information (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureIncomeTaxesAdditionalInformation |
932 |
Disclosure of temporary difference, unused tax losses and unused tax credits [table] |
Table |
* |
* |
ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable |
933 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
934 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
935 |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems |
936 |
Tax pool |
Concept (Monetary) |
For Period |
Debit |
obe:TaxReservePool |
937 |
Non-capital losses |
Concept (Monetary) |
For Period |
Debit |
obe:NonCapitalLosses |
938 |
Non-capital losses for which deferred tax asset has not been recognized |
Concept (Monetary) |
For Period |
Debit |
obe:NoncapitalLossesWithRespectToDeferredTaxAssetThatHasNotBeenRecognized |
939 |
Realized and unrealized net capital losses |
Concept (Monetary) |
As Of |
Credit |
obe:RealizedAndUnrealizedNetCapitalLosses |
940 |
1079 - Disclosure - Shareholders' equity - Additional Information (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureShareholdersEquityAdditionalInformation |
941 |
Disclosure of classes of share capital [table] |
Table |
* |
* |
ifrs-full:DisclosureOfClassesOfShareCapitalTable |
942 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
943 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
944 |
Classes of share capital [axis] |
Axis |
|
|
ifrs-full:ClassesOfShareCapitalAxis |
945 |
Share capital [member] |
Member |
|
|
ifrs-full:ClassesOfShareCapitalMember |
946 |
Common shares [member] |
Member |
|
|
ifrs-full:OrdinarySharesMember |
947 |
Preferred shares [member] |
Member |
|
|
ifrs-full:PreferenceSharesMember |
948 |
Disclosure of classes of share capital [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfClassesOfShareCapitalLineItems |
949 |
Number of authorized preferred shares |
Concept (Shares) |
As Of |
|
ifrs-full:NumberOfSharesAuthorised |
950 |
Number of authorized common shares |
Concept (Text/String) |
For Period |
|
obe:DescriptionOfNumberOfSharesAuthorised |
951 |
Number of shares issued |
Concept (Shares) |
As Of |
|
ifrs-full:NumberOfSharesIssued |
952 |
Number of shares outstanding |
Concept (Shares) |
As Of |
|
ifrs-full:NumberOfSharesOutstanding |
953 |
1080 - Disclosure - Shareholders' equity - Summary of Issued Capital (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureShareholdersEquitySummaryOfIssuedCapital |
954 |
Disclosure of classes of share capital [table] |
Table |
* |
* |
ifrs-full:DisclosureOfClassesOfShareCapitalTable |
955 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
956 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
957 |
Classes of share capital [axis] |
Axis |
|
|
ifrs-full:ClassesOfShareCapitalAxis |
958 |
Share capital [member] |
Member |
|
|
ifrs-full:ClassesOfShareCapitalMember |
959 |
Common shares [member] |
Member |
|
|
ifrs-full:OrdinarySharesMember |
960 |
Disclosure of classes of share capital [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfClassesOfShareCapitalLineItems |
961 |
Balance, beginning of year |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:IssuedCapital |
962 |
Issued on exercise of equity compensation plans |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:IncreaseDecreaseThroughSharebasedPaymentTransactions |
963 |
Elimination of deficit |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:IncreaseDecreaseThroughTransfersAndOtherChangesEquity |
964 |
Balance, end of year |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:IssuedCapital |
965 |
Balance, beginning of year |
Concept (Shares) |
As Of |
|
ifrs-full:NumberOfSharesIssued |
966 |
Issued on exercise of equity compensation plans |
Concept (Shares) |
For Period |
|
obe:NumberOfSharesOnIssuedExerciseOfEquityCompensationPlans |
967 |
Balance, end of year |
Concept (Shares) |
As Of |
|
ifrs-full:NumberOfSharesIssued |
968 |
1081 - Disclosure - Shareholders' equity - Summary of Other Reserves (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureShareholdersEquitySummaryOfOtherReserves |
969 |
Disclosure of reserves within equity [table] |
Table |
* |
* |
ifrs-full:DisclosureOfReservesWithinEquityTable |
970 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
971 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
972 |
Disclosure of reserves within equity [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfReservesWithinEquityLineItems |
973 |
Balance, beginning of year |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:OtherReserves |
974 |
Share-based compensation expense |
Concept (Monetary) |
For Period |
Credit |
obe:IncreaseDecreaseOnOtherReservesThroughSharebasedCompensationExpense |
975 |
Net benefit on options exercised |
Concept (Monetary) |
For Period |
Credit |
obe:IncreaseDecreaseOnOtherReservesThroughNetBenefitOnOptionsExercised |
976 |
Balance, end of year |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:OtherReserves |
977 |
1082 - Disclosure - Share-based compensation - Summary of Restricted Share Units Plan (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureSharebasedCompensationSummaryOfRestrictedShareUnitsPlan |
978 |
Disclosure of terms and conditions of share-based payment arrangement [table] |
Table |
* |
* |
ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable |
979 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
980 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
981 |
Types of share-based payment arrangements [axis] |
Axis |
|
|
ifrs-full:TypesOfSharebasedPaymentArrangementsAxis |
982 |
Share-based payment arrangements [member] |
Member |
|
|
ifrs-full:SharebasedPaymentArrangementsMember |
983 |
Restricted share unit plan [member] |
Member |
|
|
obe:RestrictedShareUnitPlanMember |
984 |
Disclosure of terms and conditions of share-based payment arrangement [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems |
985 |
Outstanding, beginning of year |
Concept (Decimal) |
As Of |
|
ifrs-full:NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement |
986 |
Granted |
Concept (Decimal) |
For Period |
|
ifrs-full:NumberOfInstrumentsOtherEquityInstrumentsGranted |
987 |
Vested |
Concept (Decimal) |
For Period |
|
ifrs-full:NumberOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement |
988 |
Forfeited |
Concept (Decimal) |
For Period |
|
ifrs-full:NumberOfOtherEquityInstrumentsForfeitedInSharebasedPaymentArrangement |
989 |
Outstanding, end of year |
Concept (Decimal) |
As Of |
|
ifrs-full:NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement |
990 |
Outstanding units - liability method |
Concept (Decimal) |
For Period |
|
obe:NumberOfShareUnitLiabilityMethod |
991 |
Outstanding units - equity method |
Concept (Decimal) |
For Period |
|
obe:NumberOfShareUnitEquityMethod |
992 |
Current liability (1) |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:CurrentRecognisedLiabilitiesDefinedBenefitPlan |
993 |
Non-current liability |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:NoncurrentRecognisedLiabilitiesDefinedBenefitPlan |
994 |
1083 - Disclosure - Share-based compensation - Summary of Weighted Average Assumptions of RPSU Plan Units Under Equity Method (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureSharebasedCompensationSummaryOfWeightedAverageAssumptionsOfRPSUPlanUnitsUnderEquityMethod |
995 |
Disclosure of terms and conditions of share-based payment arrangement [table] |
Table |
* |
* |
ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable |
996 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
997 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
998 |
Types of share-based payment arrangements [axis] |
Axis |
|
|
ifrs-full:TypesOfSharebasedPaymentArrangementsAxis |
999 |
Share-based payment arrangements [member] |
Member |
|
|
ifrs-full:SharebasedPaymentArrangementsMember |
1000 |
Restricted share unit plan [member] |
Member |
|
|
obe:RestrictedShareUnitPlanMember |
1001 |
Disclosure of terms and conditions of share-based payment arrangement [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems |
1002 |
Average fair value of units granted (per unit) |
Concept (Share) |
For Period |
|
obe:WeightedAverageSharePriceOtherEquityInstrumentsGranted |
1003 |
Expected life of units (years) |
Concept (Text/String) |
For Period |
|
obe:DescriptionOfUnitsLifeShareOtherEquityInstrumentsGranted |
1004 |
Expected forfeiture rate |
Concept (Percent) |
For Period |
|
obe:DescriptionOfExpectedForfeitureRateOtherEquityInstrumentsGranted |
1005 |
1084 - Disclosure - Share-based compensation - Summary of Performance Share Unit Plan (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureSharebasedCompensationSummaryOfPerformanceShareUnitPlan |
1006 |
Disclosure of terms and conditions of share-based payment arrangement [table] |
Table |
* |
* |
ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable |
1007 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
1008 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
1009 |
Types of share-based payment arrangements [axis] |
Axis |
|
|
ifrs-full:TypesOfSharebasedPaymentArrangementsAxis |
1010 |
Share-based payment arrangements [member] |
Member |
|
|
ifrs-full:SharebasedPaymentArrangementsMember |
1011 |
PSU Plan [member] |
Member |
|
|
obe:PerformanceShareUnitPlanMember |
1012 |
Plan Name1 [axis] |
Axis |
|
|
obe:PlanName1Axis |
1013 |
Plan Name 1 [domain] |
Member |
|
|
obe:PlanName1Domain |
1014 |
Options granted from June 2017 [member] |
Member |
|
|
obe:OptionsGrantedFromJuneTwoThousandSeventeenMember |
1015 |
Options granted prior to June 2017 [member] |
Member |
|
|
obe:OptionsGrantedPriorToJuneTwoThousandSeventeenMember |
1016 |
Disclosure of terms and conditions of share-based payment arrangement [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems |
1017 |
Outstanding, beginning of year |
Concept (Decimal) |
As Of |
|
ifrs-full:NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement |
1018 |
Granted |
Concept (Decimal) |
For Period |
|
ifrs-full:NumberOfInstrumentsOtherEquityInstrumentsGranted |
1019 |
Vested |
Concept (Decimal) |
For Period |
|
ifrs-full:NumberOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement |
1020 |
Forfeited |
Concept (Decimal) |
For Period |
|
ifrs-full:NumberOfOtherEquityInstrumentsForfeitedInSharebasedPaymentArrangement |
1021 |
Outstanding, end of year |
Concept (Decimal) |
As Of |
|
ifrs-full:NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement |
1022 |
Non-current liability |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:NoncurrentRecognisedLiabilitiesDefinedBenefitPlan |
1023 |
1085 - Disclosure - Share-based compensation - Summary of Stock Option Activity and Related Information (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureSharebasedCompensationSummaryOfStockOptionActivityAndRelatedInformation |
1024 |
Disclosure of terms and conditions of share-based payment arrangement [table] |
Table |
* |
* |
ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable |
1025 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
1026 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
1027 |
Types of share-based payment arrangements [axis] |
Axis |
|
|
ifrs-full:TypesOfSharebasedPaymentArrangementsAxis |
1028 |
Share-based payment arrangements [member] |
Member |
|
|
ifrs-full:SharebasedPaymentArrangementsMember |
1029 |
Options [member] |
Member |
|
|
obe:ShareOptionPlanMember |
1030 |
Disclosure of terms and conditions of share-based payment arrangement [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems |
1031 |
Number of Options Outstanding, beginning of year |
Concept (Decimal) |
As Of |
|
ifrs-full:NumberOfOutstandingShareOptions |
1032 |
Number of Options, Exercised |
Concept (Decimal) |
For Period |
|
ifrs-full:NumberOfShareOptionsExercisedInSharebasedPaymentArrangement |
1033 |
Number of Options, Forfeited |
Concept (Decimal) |
For Period |
|
ifrs-full:NumberOfShareOptionsForfeitedInSharebasedPaymentArrangement |
1034 |
Number of Options Outstanding, end of year |
Concept (Decimal) |
As Of |
|
ifrs-full:NumberOfOutstandingShareOptions |
1035 |
Number of Options Exercisable, end of year |
Concept (Decimal) |
As Of |
|
ifrs-full:NumberOfShareOptionsExercisableInSharebasedPaymentArrangement |
1036 |
Weighted Average Exercise Price Outstanding, beginning of year |
Concept (Monetary) |
As Of |
|
ifrs-full:WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement |
1037 |
Weighted Average Exercise Price, Exercised |
Concept (Monetary) |
For Period |
|
ifrs-full:WeightedAverageExercisePriceOfShareOptionsExercisedInSharebasedPaymentArrangement |
1038 |
Weighted Average Exercise Price, Forfeited |
Concept (Monetary) |
For Period |
|
ifrs-full:WeightedAverageExercisePriceOfShareOptionsForfeitedInSharebasedPaymentArrangement |
1039 |
Weighted Average Exercise Price, Outstanding, end of year |
Concept (Monetary) |
As Of |
|
ifrs-full:WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement |
1040 |
Weighted Average Exercise Price, Exercisable, end of year |
Concept (Monetary) |
As Of |
|
ifrs-full:WeightedAverageExercisePriceOfShareOptionsExercisableInSharebasedPaymentArrangement |
1041 |
1086 - Disclosure - Share-based compensation - Summary of Options Outstanding and Exercisable (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureSharebasedCompensationSummaryOfOptionsOutstandingAndExercisable |
1042 |
Disclosure of terms and conditions of share-based payment arrangement [table] |
Table |
* |
* |
ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable |
1043 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
1044 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
1045 |
Range [axis] |
Axis |
|
|
ifrs-full:RangeAxis |
1046 |
Ranges [member] |
Member |
|
|
ifrs-full:RangesMember |
1047 |
Bottom of range [member] |
Member |
|
|
ifrs-full:BottomOfRangeMember |
1048 |
Top of range [member] |
Member |
|
|
ifrs-full:TopOfRangeMember |
1049 |
Ranges of exercise prices for outstanding share options [axis] |
Axis |
|
|
ifrs-full:RangesOfExercisePricesForOutstandingShareOptionsAxis |
1050 |
Ranges of exercise prices for outstanding share options [member] |
Member |
|
|
ifrs-full:RangesOfExercisePricesForOutstandingShareOptionsMember |
1051 |
$1.00-$1.99 [member] |
Member |
|
|
obe:RangesOfExercisePricesForOutstandingShareOptionsOneMember |
1052 |
$2.00-4.99 [member] |
Member |
|
|
obe:RangesOfExercisePricesForOutstandingShareOptionsTwoMember |
1053 |
$5.00-$9.99 [member] |
Member |
|
|
obe:RangesOfExercisePricesForOutstandingShareOptionsThreeMember |
1054 |
Disclosure of terms and conditions of share-based payment arrangement [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems |
1055 |
Range of Grant Prices |
Concept (Monetary) |
As Of |
|
ifrs-full:ExercisePriceOfOutstandingShareOptions |
1056 |
Number of Options Outstanding |
Concept (Decimal) |
As Of |
|
ifrs-full:NumberOfOutstandingShareOptions |
1057 |
Options Outstanding, Weighted Average Exercise Price |
Concept (Monetary) |
As Of |
|
ifrs-full:WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement |
1058 |
Options Outstanding, Weighted Remaining Contractual Life(years) |
Concept (Decimal) |
As Of |
|
ifrs-full:WeightedAverageRemainingContractualLifeOfOutstandingShareOptions |
1059 |
Number of Options Exercisable |
Concept (Decimal) |
As Of |
|
ifrs-full:NumberOfShareOptionsExercisableInSharebasedPaymentArrangement |
1060 |
Options Exercisable, Weighted Average Exercise Price |
Concept (Monetary) |
As Of |
|
ifrs-full:WeightedAverageExercisePriceOfShareOptionsExercisableInSharebasedPaymentArrangement |
1061 |
1087 - Disclosure - Share-based compensation - Additional Information (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureSharebasedCompensationAdditionalInformation |
1062 |
Disclosure of classes of share capital [table] |
Table |
* |
* |
ifrs-full:DisclosureOfClassesOfShareCapitalTable |
1063 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
1064 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
1065 |
Types of share-based payment arrangements [axis] |
Axis |
|
|
ifrs-full:TypesOfSharebasedPaymentArrangementsAxis |
1066 |
Share-based payment arrangements [member] |
Member |
|
|
ifrs-full:SharebasedPaymentArrangementsMember |
1067 |
Deferred share unit [member] |
Member |
|
|
obe:DeferredShareUnitMember |
1068 |
Maturity [axis] |
Axis |
|
|
ifrs-full:MaturityAxis |
1069 |
Aggregated time bands [member] |
Member |
|
|
ifrs-full:AggregatedTimeBandsMember |
1070 |
2020 [member] |
Member |
|
|
ifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMember |
1071 |
After year two [member] |
Member |
|
|
obe:AfterYearTwoMember |
1072 |
Disclosure of classes of share capital [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfClassesOfShareCapitalLineItems |
1073 |
Number of options outstanding, |
Concept (Decimal) |
As Of |
|
ifrs-full:NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement |
1074 |
Current liability |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:CurrentRecognisedLiabilitiesDefinedBenefitPlan |
1075 |
Weighted average share price |
Concept (Monetary) |
For Period |
|
ifrs-full:WeightedAverageSharePrice |
1076 |
Employer contributions to employee retirement savings plan percentage of employee contribution |
Concept (Percent) |
For Period |
|
obe:EmployerContributionsToEmployeeRetirementSavingsPlanPercentageOfEmployeeContribution |
1077 |
Percentage of employees contribution |
Concept (Percent) |
For Period |
|
obe:PercentageOfEmployeesContribution |
1078 |
1088 - Disclosure - Share-based compensation - Summary of Share-Based Compensation (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureSharebasedCompensationSummaryOfShareBasedCompensation |
1079 |
Disclosure of terms and conditions of share-based payment arrangement [table] |
Table |
* |
* |
ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable |
1080 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
1081 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
1082 |
Types of share-based payment arrangements [axis] |
Axis |
|
|
ifrs-full:TypesOfSharebasedPaymentArrangementsAxis |
1083 |
Share-based payment arrangements [member] |
Member |
|
|
ifrs-full:SharebasedPaymentArrangementsMember |
1084 |
Options [member] |
Member |
|
|
obe:ShareOptionPlanMember |
1085 |
PSU Plan [member] |
Member |
|
|
obe:PerformanceShareUnitPlanMember |
1086 |
RPSU Plan - equity method [member] |
Member |
|
|
obe:RestrictedAndPerformanceShareUnitPlanEquityMethodMember |
1087 |
RPSU Plan - liability method [member] |
Member |
|
|
obe:RestrictedAndPerformanceShareUnitPlanLiabilityMethodMember |
1088 |
Disclosure of terms and conditions of share-based payment arrangement [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems |
1089 |
Share-based compensation |
Concept (Monetary) |
For Period |
Credit |
obe:ShareBasedCompensationArrangements |
1090 |
1089 - Disclosure - Per share amounts - Disclosure of Detailed Information about Net Loss Basic and Diluted (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosurePerShareAmountsDisclosureOfDetailedInformationAboutNetLossBasicAndDiluted |
1091 |
Earnings per share [table] |
Table |
* |
* |
ifrs-full:EarningsPerShareTable |
1092 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
1093 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
1094 |
Earnings per share [line items] |
LineItems |
|
|
ifrs-full:EarningsPerShareLineItems |
1095 |
Net loss - basic and diluted |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ProfitLoss |
1096 |
1090 - Disclosure - Per share amounts - Disclosure of Detailed Information about Weighted Average Number of Shares Per Share (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosurePerShareAmountsDisclosureOfDetailedInformationAboutWeightedAverageNumberOfSharesPerShare |
1097 |
Earnings per share [table] |
Table |
* |
* |
ifrs-full:EarningsPerShareTable |
1098 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
1099 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
1100 |
Earnings per share [line items] |
LineItems |
|
|
ifrs-full:EarningsPerShareLineItems |
1101 |
Basic and Diluted |
Concept (Shares) |
For Period |
|
ifrs-full:WeightedAverageShares |
1102 |
1091 - Disclosure - Per share amounts - Additional Information (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosurePerShareAmountsAdditionalInformation |
1103 |
Earnings per share [table] |
Table |
* |
* |
ifrs-full:EarningsPerShareTable |
1104 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
1105 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
1106 |
Earnings per share [line items] |
LineItems |
|
|
ifrs-full:EarningsPerShareLineItems |
1107 |
Anti-dilutive securities issued under option plan |
Concept (Shares) |
For Period |
|
obe:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount1 |
1108 |
1092 - Disclosure - Changes in non-cash working capital (increase) decrease - Summary of Changes in Non-cash Working Capital (Increase) Decrease (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureChangesInNoncashWorkingCapitalincreaseDecreaseSummaryOfChangesInNoncashWorkingCapitalIncreaseDecrease |
1109 |
Disclosure Of Increase Decrease In Noncash Working Capital [table] |
Table |
* |
* |
obe:DisclosureOfIncreaseDecreaseInNoncashWorkingCapitalTable |
1110 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
1111 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
1112 |
Disclosure of Increase Decrease In Non-cash Working Capital [line items] |
LineItems |
|
|
obe:DisclosureOfIncreaseDecreaseInNoncashWorkingCapitalLineItems |
1113 |
Accounts receivable |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdjustmentsForDecreaseIncreaseInTradeAndOtherReceivables |
1114 |
Other current assets |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdjustmentsForDecreaseIncreaseInOtherAssets |
1115 |
Deferred funding asset |
Concept (Monetary) |
For Period |
Debit |
obe:AdjustmentsForIncreaseDecreaseInDeferredFundingAsset |
1116 |
Accounts payable and accrued liabilities |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdjustmentsForIncreaseDecreaseInTradeAndOtherPayables |
1117 |
Net changes in non cash working capital |
Concept (Monetary) |
For Period |
Debit |
obe:NetChangesInNonCashWorkingCapital |
1118 |
Operating activities |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:IncreaseDecreaseInWorkingCapital |
1119 |
Investing activities |
Concept (Monetary) |
For Period |
Debit |
obe:IncreaseDecreaseInWorkingCapitalClassifiedAsInvestingActivities |
1120 |
Net changes in non cash working capital |
Concept (Monetary) |
For Period |
Debit |
obe:NetChangesInNonCashWorkingCapital |
1121 |
Interest paid |
Concept (Monetary) |
For Period |
Credit |
obe:InterestPaid1 |
1122 |
Income taxes recovered |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:IncomeTaxesPaidRefund |
1123 |
1093 - Disclosure - Changes in non-cash working capital (increase) decrease - Summary of Changes in Non-cash Working Capital (Increase) Decrease (Parenthetical) (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureChangesInNoncashWorkingCapitalincreaseDecreaseSummaryOfChangesInNoncashWorkingCapitalIncreaseDecreaseParenthetical |
1124 |
Disclosure Of Increase Decrease In Noncash Working Capital [table] |
Table |
* |
* |
obe:DisclosureOfIncreaseDecreaseInNoncashWorkingCapitalTable |
1125 |
Assets and liabilities classified as held for sale [axis] |
Axis |
|
|
ifrs-full:AssetsAndLiabilitiesClassifiedAsHeldForSaleAxis |
1126 |
Assets and liabilities not classified as held for sale [member] |
Member |
|
|
ifrs-full:AssetsAndLiabilitiesNotClassifiedAsHeldForSaleMember |
1127 |
Current assets held for sale [member] |
Member |
|
|
obe:CurrentAssetsHeldForSaleMember |
1128 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
1129 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
1130 |
Disclosure of Increase Decrease In Non-cash Working Capital [line items] |
LineItems |
|
|
obe:DisclosureOfIncreaseDecreaseInNoncashWorkingCapitalLineItems |
1131 |
Accounts receivable |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CurrentTradeReceivables |
1132 |
Accounts payable and accrued liabilities |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:TradeAndOtherCurrentPayables |
1133 |
1094 - Disclosure - Capital management - Summary of Financial Covenants Under Lending Agreements (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureCapitalManagementSummaryOfFinancialCovenantsUnderLendingAgreements |
1134 |
Disclosure of objectives, policies and processes for managing capital [table] |
Table |
* |
* |
ifrs-full:DisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalTable |
1135 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
1136 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
1137 |
Borrowings by name [axis] |
Axis |
|
|
ifrs-full:BorrowingsByNameAxis |
1138 |
Borrowings by name [member] |
Member |
|
|
ifrs-full:BorrowingsByNameMember |
1139 |
Bank overdraft [member] |
Member |
|
|
obe:BankOverdraftMember |
1140 |
Letters of credit [member] |
Member |
|
|
obe:LettersOfCreditMember |
1141 |
Senior debt and total debt [member] |
Member |
|
|
obe:SeniorDebtMember |
1142 |
Disclosure of objectives, policies and processes for managing capital [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalLineItems |
1143 |
Long-term debt |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:Borrowings |
1144 |
Components of capital |
Abstract |
|
|
obe:ComponentsOfCapitalAbstract |
1145 |
Shareholders' equity |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:Equity |
1146 |
Long-term debt |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:Borrowings |
1147 |
Ratios |
Abstract |
|
|
obe:CovenantRatiosAbstract |
1148 |
Senior debt to Adjusted EBITDA |
Concept (Pure) |
As Of |
|
obe:SeniorDebtToAdjustedEarningsBeforeInterestTaxesDepreciationAndAmortizationConversionRatio |
1149 |
Total debt to Adjusted EBITDA |
Concept (Pure) |
As Of |
|
obe:DebtToAdjustedEarningsBeforeInterestTaxesDepreciationAndAmortizationConversionRatio |
1150 |
Senior debt to capitalization |
Concept (Percent) |
As Of |
|
obe:SeniorDebtToCapitalizationConversionRatio |
1151 |
Total debt to capitalization |
Concept (Percent) |
As Of |
|
obe:DebtToCapitalizationConversionRatio |
1152 |
Priority debt to consolidated tangible assets |
Concept (Percent) |
As Of |
|
obe:PriorityDebtToConsolidatedTangibleAssetsRatio |
1153 |
Adjusted EBITDA |
Concept (Monetary) |
For Period |
Credit |
obe:EarningsBeforeInterestTaxDepreciationAndAmortization |
1154 |
Long-term debt |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:Borrowings |
1155 |
Total shareholders' equity |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:Equity |
1156 |
Total capitalization |
Concept (Monetary) |
As Of |
Credit |
obe:Capital1 |
1157 |
1095 - Disclosure - Capital management - Summary of Financial Covenants Under Lending Agreements (Parenthetical) (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureCapitalManagementSummaryOfFinancialCovenantsUnderLendingAgreementsParenthetical |
1158 |
Disclosure of objectives, policies and processes for managing capital [table] |
Table |
* |
* |
ifrs-full:DisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalTable |
1159 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
1160 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
1161 |
Range [axis] |
Axis |
|
|
ifrs-full:RangeAxis |
1162 |
Ranges [member] |
Member |
|
|
ifrs-full:RangesMember |
1163 |
Top of range [member] |
Member |
|
|
ifrs-full:TopOfRangeMember |
1164 |
Disclosure of objectives, policies and processes for managing capital [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalLineItems |
1165 |
Senior debt to EBITDA |
Concept (Pure) |
As Of |
|
obe:SeniorDebtToAdjustedEarningsBeforeInterestTaxesDepreciationAndAmortizationConversionRatio |
1166 |
Total debt to EBITDA |
Concept (Pure) |
As Of |
|
obe:DebtToAdjustedEarningsBeforeInterestTaxesDepreciationAndAmortizationConversionRatio |
1167 |
Maximum senior debt to capitalization |
Concept (Percent) |
As Of |
|
obe:MaximumSeniorDebtToCapitalizationConversionRatio |
1168 |
Maximum total debt to capitalization |
Concept (Percent) |
As Of |
|
obe:MaximumDebtToCapitalizationConversionRatio |
1169 |
Maximum priority debt to consolidated tangible assets |
Concept (Percent) |
As Of |
|
obe:MaximumPriorityDebtToConsolidatedTangibleAssetsRatio |
1170 |
Bank EBITDA |
Concept (Text Block (HTML)) |
For Period |
|
obe:BankEarningsBeforeInterestTaxDepreciationAndAmortizationExplanatory |
1171 |
1096 - Disclosure - Commitments and contingencies - Summary of Certain Payments Over the Next Five Years (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureCommitmentsAndContingenciesSummaryOfCertainPaymentsOverTheNextFiveYears |
1172 |
Disclosure Of Commitments And Contingencies [table] |
Table |
* |
* |
obe:DisclosureOfCommitmentsAndContingenciesTable |
1173 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
1174 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
1175 |
Maturity [axis] |
Axis |
|
|
ifrs-full:MaturityAxis |
1176 |
Aggregated time bands [member] |
Member |
|
|
ifrs-full:AggregatedTimeBandsMember |
1177 |
2019 [member] |
Member |
|
|
ifrs-full:LaterThanOneYearMember |
1178 |
2020 [member] |
Member |
|
|
ifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMember |
1179 |
2021 [member] |
Member |
|
|
ifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMember |
1180 |
2022 [member] |
Member |
|
|
ifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMember |
1181 |
2023 [member] |
Member |
|
|
ifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMember |
1182 |
Thereafter [member] |
Member |
|
|
ifrs-full:LaterThanFiveYearsMember |
1183 |
Disclosure of commitments and contingencies [line items] |
LineItems |
|
|
obe:DisclosureOfCommitmentsAndContingenciesLineItems |
1184 |
Long-term debt |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:Borrowings |
1185 |
Transportation |
Concept (Monetary) |
As Of |
Credit |
obe:TransportationCommitments |
1186 |
Power infrastructure |
Concept (Monetary) |
As Of |
Credit |
obe:PowerInfrastructureCommitments |
1187 |
Interest obligations |
Concept (Monetary) |
As Of |
Credit |
obe:InterestObligations |
1188 |
Office lease |
Concept (Monetary) |
As Of |
Credit |
obe:OfficeLeaseCommitments |
1189 |
Decommissioning liability |
Concept (Monetary) |
As Of |
Credit |
obe:DecommissioningLiability |
1190 |
Total |
Concept (Monetary) |
As Of |
Credit |
obe:CommittedCashPayments |
1191 |
1097 - Disclosure - Commitments and contingencies - Summary of Certain Payments Over the Next Five Years (Parenthetical) (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureCommitmentsAndContingenciesSummaryOfCertainPaymentsOverTheNextFiveYearsParenthetical |
1192 |
Disclosure Of Commitments And Contingencies [table] |
Table |
* |
* |
obe:DisclosureOfCommitmentsAndContingenciesTable |
1193 |
Borrowings by name [axis] |
Axis |
|
|
ifrs-full:BorrowingsByNameAxis |
1194 |
Borrowings by name [member] |
Member |
|
|
ifrs-full:BorrowingsByNameMember |
1195 |
Bankers acceptances and prime rate loans [member] |
Member |
|
|
obe:BankersAcceptancesAndPrimeRateLoansMember |
1196 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
1197 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
1198 |
Maturity [axis] |
Axis |
|
|
ifrs-full:MaturityAxis |
1199 |
Aggregated time bands [member] |
Member |
|
|
ifrs-full:AggregatedTimeBandsMember |
1200 |
2020 [member] |
Member |
|
|
ifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMember |
1201 |
Disclosure of commitments and contingencies [line items] |
LineItems |
|
|
obe:DisclosureOfCommitmentsAndContingenciesLineItems |
1202 |
Long-term debt |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:Borrowings |
1203 |
1098 - Disclosure - Commitments and contingencies - Additional Information (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureCommitmentsAndContingenciesAdditionalInformation |
1204 |
Disclosure Of Commitments And Contingencies [table] |
Table |
* |
* |
obe:DisclosureOfCommitmentsAndContingenciesTable |
1205 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
1206 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
1207 |
Borrowings by name [axis] |
Axis |
|
|
ifrs-full:BorrowingsByNameAxis |
1208 |
Borrowings by name [member] |
Member |
|
|
ifrs-full:BorrowingsByNameMember |
1209 |
Senior notes [member] |
Member |
|
|
obe:SeniorNotes1Member |
1210 |
Period Type [axis] |
Axis |
|
|
obe:PeriodTypeAxis |
1211 |
Period Type [domain] |
Member |
|
|
obe:PeriodTypeDomain |
1212 |
October 2018 [member] |
Member |
|
|
obe:OctoberTwoThousandEighteenMember |
1213 |
July 2019 [member] |
Member |
|
|
obe:JulyTwoThousandNineteenMember |
1214 |
July 2020 [member] |
Member |
|
|
obe:JulyTwoThousandTwentyMember |
1215 |
Disclosure of commitments and contingencies [line items] |
LineItems |
|
|
obe:DisclosureOfCommitmentsAndContingenciesLineItems |
1216 |
Amount of outstanding funds |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:Borrowings |
1217 |
Senior notes, maturity |
Concept (Text/String) |
For Period |
|
ifrs-full:BorrowingsMaturity |
1218 |
Sublease recoveries |
Concept (Monetary) |
For Period |
Credit |
obe:SubleaseRecoveries |
1219 |
Lease costs, net of recoveries |
Concept (Monetary) |
For Period |
Debit |
obe:LeaseCostsNetOfRecoveries |
1220 |
Payment in respect of settlement agreements |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:LegalProceedingsProvision |
1221 |
1099 - Disclosure - Related-party transactions - Summary of Compensation of Key Management Personnel (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureRelatedpartyTransactionsSummaryOfCompensationOfKeyManagementPersonnel |
1222 |
Disclosure of transactions between related parties [table] |
Table |
* |
* |
ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesTable |
1223 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
1224 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
1225 |
Disclosure of transactions between related parties [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesLineItems |
1226 |
Salary and employee benefits |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:KeyManagementPersonnelCompensationShorttermEmployeeBenefits |
1227 |
Termination benefits |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:KeyManagementPersonnelCompensationTerminationBenefits |
1228 |
Share-based payments |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:KeyManagementPersonnelCompensationSharebasedPayment |
1229 |
Key Management Personnel Compensation |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:KeyManagementPersonnelCompensation |
1230 |
1100 - Disclosure - Supplemental Items - Additional Information (Detail) (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureSupplementalItemsAdditionalInformationDetail |
1231 |
Supplemental information [table] |
Table |
* |
* |
obe:SupplementalInformationTable |
1232 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
1233 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
1234 |
Statement of comprehensive income, profit or loss location [axis] |
Axis |
|
|
obe:StatementOfComprehensiveIncomeProfitOrLossLocationAxis |
1235 |
Statement of comprehensive income, profit or loss location [member] |
Member |
|
|
obe:StatementOfComprehensiveIncomeProfitOrLossLocationMember |
1236 |
Operating expense [member] |
Member |
|
|
obe:OperatingExpenseMember |
1237 |
General and administrative expense [member] |
Member |
|
|
obe:GeneralAndAdministrativeExpenseMember |
1238 |
Supplemental Information [line items] |
LineItems |
|
|
obe:SupplementalInformationLineItems |
1239 |
Employee compensation costs |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:EmployeeBenefitsExpense |
1240 |
1101 - Disclosure - Supplementary Oil and Gas Information - (Unaudited) - Net Proved Oil and Natural Gas Reserves (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureSupplementaryOilAndGasInformationUnauditedNetProvedOilAndNaturalGasReserves |
1241 |
Proved Developed and Undeveloped Oil and Gas Reserve Quantities [Table] |
Table |
* |
* |
srt:ProvedDevelopedAndUndevelopedOilAndGasReserveQuantitiesTable |
1242 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
1243 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
1244 |
Petroleum Reserves [Axis] |
Axis |
|
|
srt:ReserveQuantitiesByTypeOfReserveAxis |
1245 |
Type of Reserve [Domain] |
Member |
|
|
srt:TypeOfReserveDomain |
1246 |
Light and medium crude oil [member] |
Member |
|
|
obe:LightAndMediumCrudeOilMember |
1247 |
Heavy crude oil and bitumen [member] |
Member |
|
|
obe:HeavyCrudeOilAndBitumenMember |
1248 |
Natural gas [member] |
Member |
|
|
srt:NaturalGasReservesMember |
1249 |
Natural gas liquids [member] |
Member |
|
|
srt:NaturalGasLiquidsReservesMember |
1250 |
Barrels of oil equivalent [member] |
Member |
|
|
obe:BarrelsOfOilEquivalentMember |
1251 |
Reserve Quantities [Line Items] |
LineItems |
|
|
srt:ReserveQuantitiesLineItems |
1252 |
Beginning balance |
Concept (num:volumeItemType) |
As Of |
|
srt:ProvedDevelopedAndUndevelopedReservesNet |
1253 |
Extensions & Discoveries |
Concept (num:volumeItemType) |
For Period |
|
srt:ProvedDevelopedAndUndevelopedReservesExtensionsDiscoveriesAndAdditions |
1254 |
Improved Recovery & Infill Drilling |
Concept (num:volumeItemType) |
For Period |
|
obe:ProvedDevelopedAndUndevelopedReservesImprovedRecoveryAndInfillDrilling |
1255 |
Technical Revisions |
Concept (num:volumeItemType) |
For Period |
|
srt:ProvedDevelopedAndUndevelopedReservesRevisionsOfPreviousEstimatesIncreaseDecrease |
1256 |
Acquisitions |
Concept (num:volumeItemType) |
For Period |
|
srt:ProvedDevelopedAndUndevelopedReservesPurchasesOfMineralsInPlace |
1257 |
Dispositions |
Concept (num:volumeItemType) |
For Period |
|
srt:ProvedDevelopedAndUndevelopedReservesSalesOfMineralsInPlace |
1258 |
Production |
Concept (num:volumeItemType) |
For Period |
|
srt:ProvedDevelopedAndUndevelopedReservesProduction |
1259 |
Change for the year |
Concept (num:volumeItemType) |
For Period |
|
srt:ProvedDevelopedAndUndevelopedReservesNetPeriodIncreaseDecrease |
1260 |
Ending balance |
Concept (num:volumeItemType) |
As Of |
|
srt:ProvedDevelopedAndUndevelopedReservesNet |
1261 |
Developed |
Concept (num:volumeItemType) |
As Of |
|
srt:ProvedDevelopedReservesVolume |
1262 |
Undeveloped |
Concept (num:volumeItemType) |
As Of |
|
srt:ProvedUndevelopedReserveVolume |
1263 |
1102 - Disclosure - Supplementary Oil and Gas Information - (Unaudited) - Capitalized Costs (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureSupplementaryOilAndGasInformationUnauditedCapitalizedCosts |
1264 |
Capitalized Costs Relating To Oil And Gas Producing Activities By Geographic Area [table] |
Table |
* |
* |
obe:CapitalizedCostsRelatingToOilAndGasProducingActivitiesByGeographicAreaTable |
1265 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
1266 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
1267 |
Capitalized Costs Relating To Oil and Gas Producing Activities By Geographic Area [line items] |
LineItems |
|
|
obe:CapitalizedCostsRelatingToOilAndGasProducingActivitiesByGeographicAreaLineItems |
1268 |
Proved oil and gas properties |
Concept (Monetary) |
As Of |
Debit |
obe:CapitalizedCostsProvedProperties |
1269 |
Unproved oil and gas properties |
Concept (Monetary) |
As Of |
Debit |
obe:CapitalizedCostsUnprovedProperties |
1270 |
Total capitalized costs |
Concept (Monetary) |
As Of |
Debit |
obe:CapitalizedCostsOilAndGasProducingActivitiesGross |
1271 |
Accumulated depletion and depreciation |
Concept (Monetary) |
As Of |
Credit |
obe:CapitalizedCostsAccumulatedDepreciationDepletionAmortizationAndValuationAllowanceForRelatingToOilAndGasProducingActivities |
1272 |
Net capitalized costs |
Concept (Monetary) |
As Of |
Debit |
obe:CapitalizedCostsOilAndGasProducingActivitiesNet |
1273 |
1103 - Disclosure - Supplementary Oil and Gas Information - (Unaudited) - Costs Incurred (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureSupplementaryOilAndGasInformationUnauditedCostsIncurred |
1274 |
CostsIncurred In Oil And Gas Property Acquisition Exploration And Development Activities [table] |
Table |
* |
* |
obe:CostsincurredInOilAndGasPropertyAcquisitionExplorationAndDevelopmentActivitiesTable |
1275 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
1276 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
1277 |
Costs Incurred Oil And Gas Property Acquisition Exploration And Development Activities [line items] |
LineItems |
|
|
obe:CostsIncurredOilAndGasPropertyAcquisitionExplorationAndDevelopmentActivitiesLineItems |
1278 |
Proved oil and gas properties - acquisitions |
Concept (Monetary) |
For Period |
Credit |
obe:CostsIncurredAcquisitionOfOilAndGasPropertiesWithProvedReserves |
1279 |
Proved oil and gas properties - dispositions |
Concept (Monetary) |
For Period |
Credit |
obe:CostsIncurredDispositionOfOilAndGasPropertiesWithProvedReserves |
1280 |
Unproved oil and gas properties |
Concept (Monetary) |
For Period |
Debit |
obe:CostsIncurredAcquisitionOfUnprovedOilAndGasProperties |
1281 |
Exploration costs |
Concept (Monetary) |
For Period |
Debit |
obe:CostsIncurredExplorationCosts |
1282 |
Development costs |
Concept (Monetary) |
For Period |
Debit |
obe:CostsIncurredDevelopmentCosts |
1283 |
Joint venture, carried capital |
Concept (Monetary) |
For Period |
Credit |
obe:CostsIncurredJointVentureCarriedCapital |
1284 |
Capital expenditures |
Concept (Monetary) |
For Period |
Debit |
obe:CostsIncurredOilAndGasPropertyAcquisitionExplorationAndDevelopmentActivities |
1285 |
Corporate acquisitions |
Concept (Monetary) |
For Period |
Debit |
obe:CostsIncurredCorporateAcquisition |
1286 |
Total expenditures |
Concept (Monetary) |
For Period |
Debit |
obe:CostsIncurredOilAndGasPropertyAcquisitionExplorationAndDevelopmentActivitiesIncludingCorporateAcquisitions |
1287 |
1104 - Disclosure - Supplementary Oil and Gas Information - (Unaudited) - Additional Information (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureSupplementaryOilAndGasInformationUnauditedAdditionalInformation |
1288 |
Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves [Table] |
Table |
* |
* |
srt:DiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReservesTable |
1289 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
1290 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
1291 |
Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves [Line Items] |
LineItems |
|
|
srt:DiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReservesLineItems |
1292 |
Discounted future net cash flows, annual discount factor |
Concept (Percent) |
For Period |
|
obe:DiscountedFutureNetCashFlowsAnnualDiscountFactor |
1293 |
1105 - Disclosure - Supplementary Oil and Gas Information - (Unaudited) - Standardized Measure of Discounted Future Net Cash Flows (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureSupplementaryOilAndGasInformationUnauditedStandardizedMeasureOfDiscountedFutureNetCashFlows |
1294 |
Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves [Table] |
Table |
* |
* |
srt:DiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReservesTable |
1295 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
1296 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
1297 |
Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves [Line Items] |
LineItems |
|
|
srt:DiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReservesLineItems |
1298 |
Future cash inflows |
Concept (Monetary) |
As Of |
Debit |
srt:FutureNetCashFlowsRelatingToProvedOilAndGasReservesCashInflows |
1299 |
Future production costs |
Concept (Monetary) |
As Of |
Credit |
srt:FutureNetCashFlowsRelatingToProvedOilAndGasReservesProductionCosts |
1300 |
Future development costs |
Concept (Monetary) |
As Of |
Credit |
srt:FutureNetCashFlowsRelatingToProvedOilAndGasReservesDevelopmentCosts |
1301 |
Undiscounted pre-tax cash flows |
Concept (Monetary) |
As Of |
Debit |
obe:UndiscountedPretaxCashFlowsRelatingToProvedOilAndGasReserves |
1302 |
Deferred income taxes |
Concept (Monetary) |
As Of |
Credit |
srt:FutureNetCashFlowsRelatingToProvedOilAndGasReservesIncomeTaxExpense |
1303 |
Future net cash flows |
Concept (Monetary) |
As Of |
Debit |
srt:FutureNetCashFlowsRelatingToProvedOilAndGasReservesNetCashFlows |
1304 |
Less 10% annual discount factor |
Concept (Monetary) |
As Of |
Credit |
srt:FutureNetCashFlowsRelatingToProvedOilAndGasReservesTenPercentAnnualDiscountForEstimatedTimingOfCashFlows |
1305 |
Standardized measure of discounted future net cash flows |
Concept (Monetary) |
As Of |
Debit |
srt:StandardizedMeasureOfDiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReserves |
1306 |
1106 - Disclosure - Supplementary Oil and Gas Information - (Unaudited) - Standardized Measure of Discounted Future Net Cash Flow Changes (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureSupplementaryOilAndGasInformationUnauditedStandardizedMeasureOfDiscountedFutureNetCashFlowChanges |
1307 |
Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves [Table] |
Table |
* |
* |
srt:DiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReservesTable |
1308 |
Legal entity [axis] |
Axis |
|
|
dei:LegalEntityAxis |
1309 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
1310 |
Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves [Line Items] |
LineItems |
|
|
srt:DiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReservesLineItems |
1311 |
Standardized measure of discounted future net cash flows at beginning of year |
Concept (Monetary) |
As Of |
Debit |
srt:StandardizedMeasureOfDiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReserves |
1312 |
Oil and gas sales during period net of production costs and royalties |
Concept (Monetary) |
For Period |
Credit |
srt:SalesAndTransfersOfOilAndGasProducedNetOfProductionCosts |
1313 |
Changes due to prices |
Concept (Monetary) |
For Period |
Debit |
obe:NetChangesInPrices |
1314 |
Development costs during the period |
Concept (Monetary) |
For Period |
Debit |
srt:PreviouslyEstimatedDevelopmentCostsIncurred |
1315 |
Changes in forecast development costs |
Concept (Monetary) |
For Period |
Debit |
srt:IncreaseDecreaseInEstimatedFutureDevelopmentCosts |
1316 |
Changes resulting from extensions, infills and improved recovery |
Concept (Monetary) |
For Period |
Debit |
obe:StandardizedMeasureOfDiscountedFutureNetCashFlowExtensionsInfillsAndImprovedRecovery |
1317 |
Changes resulting from discoveries |
Concept (Monetary) |
For Period |
Debit |
obe:StandardizedMeasureOfDiscountedFutureNetCashFlowDiscoveries |
1318 |
Changes resulting from acquisitions of reserves |
Concept (Monetary) |
For Period |
Debit |
srt:IncreaseDueToPurchasesOfMineralsInPlace |
1319 |
Changes resulting from dispositions of reserves |
Concept (Monetary) |
For Period |
Credit |
srt:DecreaseDueToSalesOfMineralsInPlace |
1320 |
Accretion of discount |
Concept (Monetary) |
For Period |
Credit |
srt:StandardizedMeasureOfDiscountedFutureNetCashFlowRelatingToProvedOilAndGasReservesAccretionOfDiscount |
1321 |
Net change in income tax |
Concept (Monetary) |
For Period |
Debit |
srt:IncreaseDecreaseInFutureIncomeTaxExpenseEstimatesOnFutureCashFlowsRelatedToProvedOilAndGasReserves |
1322 |
Changes resulting from other changes and technical reserves revisions plus effects on timing |
Concept (Monetary) |
For Period |
Debit |
srt:StandardizedMeasureOfDiscountedFutureNetCashFlowOfProvedOilAndGasReservesOther |
1323 |
Standardized measure of discounted future net cash flows at end of year |
Concept (Monetary) |
As Of |
Debit |
srt:StandardizedMeasureOfDiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReserves |