PETROCHINA CO LTD (SEC Filing Page | XBRL Cloud Viewer | XBRL Instance)

Line Label Object Class Period Type Balance Report ElementName
1 1001 - Document - Document and Entity Information Network

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 http://www.petrochina.com.cn/taxonomy/role/DocumentandEntityInformation
2 Document Information [Table] Table

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 dei:DocumentInformationTable
3 Classes of share capital [axis] Axis ifrs-full:ClassesOfShareCapitalAxis
4 Share capital [member] Member ifrs-full:ClassesOfShareCapitalMember
5 A shares [member] Member ptr:ASharesMember
6 H shares [member] Member ptr:HSharesMember
7 Document information [Line Items] LineItems dei:DocumentInformationLineItems
8 Document Type Concept (Submission Type) For Period dei:DocumentType
9 Amendment Flag Concept (Yes/No) For Period dei:AmendmentFlag
10 Document Period End Date Concept (Date) For Period dei:DocumentPeriodEndDate
11 Document Fiscal Year Focus Concept (Year) For Period dei:DocumentFiscalYearFocus
12 Document Fiscal Period Focus Concept (Fiscal Period) For Period dei:DocumentFiscalPeriodFocus
13 Trading Symbol Concept (Text/String) For Period dei:TradingSymbol
14 Entity Registrant Name Concept (Text/String) For Period dei:EntityRegistrantName
15 Entity Central Index Key Concept (CIK Number) For Period dei:EntityCentralIndexKey
16 Current Fiscal Year End Date Concept (Month/Day) For Period dei:CurrentFiscalYearEndDate
17 Entity Well-known Seasoned Issuer Concept (Yes/No) For Period dei:EntityWellKnownSeasonedIssuer
18 Entity Current Reporting Status Concept (Yes/No) For Period dei:EntityCurrentReportingStatus
19 Entity Filer Category Concept (Filer Category) For Period dei:EntityFilerCategory
20 Entity Shell Company Concept (Yes/No) For Period dei:EntityShellCompany
21 Entity Emerging Growth Company Concept (Yes/No) For Period dei:EntityEmergingGrowthCompany
22 Entity Common Stock, Shares Outstanding Concept (Shares) As Of dei:EntityCommonStockSharesOutstanding
23 1003 - Statement - Consolidated Statements of Comprehensive Income Network

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 http://www.petrochina.com.cn/taxonomy/role/StatementOfComprehensiveIncomeProfitOrLossByNatureOfExpense-320000
24 Implied Table Table

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25 Profit or loss [abstract] Abstract ifrs-full:IncomeStatementAbstract
26 REVENUE Concept (Monetary) For Period Credit ifrs-full:Revenue
27 OPERATING EXPENSES Abstract ifrs-full:ExpenseByNatureAbstract
28 Purchases, services and other Concept (Monetary) For Period Debit ptr:PurchasesServicesAndOtherExpenses
29 Employee compensation costs Concept (Monetary) For Period Debit ifrs-full:ShorttermEmployeeBenefitsExpense
30 Exploration expenses, including exploratory dry holes Concept (Monetary) For Period Debit ifrs-full:ExpenseArisingFromExplorationForAndEvaluationOfMineralResources
31 Depreciation, depletion and amortization Concept (Monetary) For Period Debit ptr:DepreciationDepletionAndAmortisationExpense
32 Selling, general and administrative expenses Concept (Monetary) For Period Debit ifrs-full:SellingGeneralAndAdministrativeExpense
33 Taxes other than income taxes Concept (Monetary) For Period Debit ifrs-full:TaxExpenseOtherThanIncomeTaxExpense
34 Other (expenses)/ income, net Concept (Monetary) For Period Credit ifrs-full:OtherOperatingIncomeExpense
35 TOTAL OPERATING EXPENSES Concept (Monetary) For Period Debit ifrs-full:ExpenseByNature
36 PROFIT FROM OPERATIONS Concept (Monetary) For Period Credit ifrs-full:ProfitLossFromOperatingActivities
37 FINANCE COSTS Abstract ifrs-full:MaterialIncomeAndExpenseAbstract
38 Exchange gain Concept (Monetary) For Period Credit ptr:ForeignExchangeGain
39 Exchange loss Concept (Monetary) For Period Debit ptr:ForeignExchangeLoss
40 Interest income Concept (Monetary) For Period Credit ifrs-full:FinanceIncome
41 Interest expense Concept (Monetary) For Period Debit ifrs-full:InterestExpense
42 TOTAL NET FINANCE COSTS Concept (Monetary) For Period Credit ifrs-full:FinanceIncomeCost
43 SHARE OF PROFIT OF ASSOCIATES AND JOINT VENTURES Concept (Monetary) For Period Credit ifrs-full:ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod
44 PROFIT BEFORE INCOME TAX EXPENSE Concept (Monetary) For Period Credit ifrs-full:ProfitLossBeforeTax
45 Income tax expense Concept (Monetary) For Period Debit ifrs-full:IncomeTaxExpenseContinuingOperations
46 PROFIT FOR THE YEAR Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
47 OTHER COMPREHENSIVE INCOME, Items that will not be reclassified to profit or loss Abstract ifrs-full:ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTaxAbstract
48 Fair value loss from financial assets measured at fair value through other comprehensive income Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeNetOfTaxGainsLossesFromInvestmentsInEquityInstruments
49 OTHER COMPREHENSIVE INCOME, Items that are or may be reclassified subsequently to profit or loss Abstract ifrs-full:ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTaxAbstract
50 Currency translation differences Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation
51 Fair value loss from available-for-sale financial assets, net of tax Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnRemeasuringAvailableforsaleFinancialAssetsNetOfTax
52 Share of the other comprehensive income of associates and joint ventures accounted for using the equity method Concept (Monetary) For Period Credit ifrs-full:ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillBeReclassifiedToProfitOrLossNetOfTax
53 OTHER COMPREHENSIVE INCOME, NET OF TAX Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncome
54 TOTAL COMPREHENSIVE INCOME FOR THE YEAR Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncome
55 PROFIT FOR THE YEAR ATTRIBUTABLE TO: Abstract ifrs-full:ProfitLossAttributableToAbstract
56 Owners of the Company Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToOwnersOfParent
57 Non-controlling interests Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToNoncontrollingInterests
58 PROFIT FOR THE YEAR Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
59 TOTAL COMPREHENSIVE INCOME FOR THE YEAR ATTRIBUTABLE TO: Abstract ifrs-full:ComprehensiveIncomeAttributableToAbstract
60 Owners of the Company Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncomeAttributableToOwnersOfParent
61 Non-controlling interests Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncomeAttributableToNoncontrollingInterests
62 TOTAL COMPREHENSIVE INCOME FOR THE YEAR Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncome
63 BASIC AND DILUTED EARNINGS PER SHARE ATTRIBUTABLE TO OWNERS OF THE COMPANY(RMB) Concept (Share) For Period ifrs-full:BasicAndDilutedEarningsLossPerShare
64 1004 - Statement - Consolidated Statements of Financial Position Network

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 http://www.petrochina.com.cn/taxonomy/role/StatementOfFinancialPositionCurrentNonCurrent-210000
65 Implied Table Table

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66 Statement of financial position [abstract] Abstract ifrs-full:StatementOfFinancialPositionAbstract
67 NON-CURRENT ASSETS Abstract ifrs-full:NoncurrentAssetsAbstract
68 Property, plant and equipment Concept (Monetary) As Of Debit ifrs-full:PropertyPlantAndEquipment
69 Investments in associates and joint ventures Concept (Monetary) As Of Debit ifrs-full:InvestmentsInSubsidiariesJointVenturesAndAssociates
70 Available-for-sale financial assets Concept (Monetary) As Of Debit ifrs-full:NoncurrentFinancialAssetsAvailableforsale
71 Financial assets measured at fair value through other comprehensive income Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome
72 Advance operating lease payments Concept (Monetary) As Of Debit ptr:AdvanceOperatingLeasePayments
73 Intangible and other non-current assets Concept (Monetary) As Of Debit ptr:IntangibleAssetsAndOtherNoncurrentAssets
74 Deferred tax assets Concept (Monetary) As Of Debit ifrs-full:DeferredTaxAssets
75 Time deposits with maturities over one year Concept (Monetary) As Of Debit ptr:TimeDepositsNoncurrent
76 TOTAL NON-CURRENT ASSETS Concept (Monetary) As Of Debit ifrs-full:NoncurrentAssets
77 CURRENT ASSETS Abstract ifrs-full:CurrentAssetsAbstract
78 Inventories Concept (Monetary) As Of Debit ifrs-full:Inventories
79 Accounts receivable Concept (Monetary) As Of Debit ifrs-full:CurrentTradeReceivables
80 Prepayments and other current assets Concept (Monetary) As Of Debit ifrs-full:CurrentPrepaymentsAndOtherCurrentAssets
81 Notes receivable Concept (Monetary) As Of Debit ptr:CurrentNotesReceivable
82 Time deposits with maturities over three months but within one year Concept (Monetary) As Of Debit ifrs-full:ShorttermDepositsNotClassifiedAsCashEquivalents
83 Cash and cash equivalents Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
84 TOTAL CURRENT ASSETS Concept (Monetary) As Of Debit ifrs-full:CurrentAssets
85 CURRENT LIABILITIES Abstract ifrs-full:CurrentLiabilitiesAbstract
86 Accounts payable and accrued liabilities Concept (Monetary) As Of Credit ifrs-full:TradeAndOtherCurrentPayables
87 Contract liabilities Concept (Monetary) As Of Credit ifrs-full:CurrentContractLiabilities
88 Income taxes payable Concept (Monetary) As Of Credit ifrs-full:CurrentTaxLiabilitiesCurrent
89 Other taxes payable Concept (Monetary) As Of Credit ifrs-full:CurrentPayablesOnSocialSecurityAndTaxesOtherThanIncomeTax
90 Short-term borrowings Concept (Monetary) As Of Credit ifrs-full:CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings
91 TOTAL CURRENT LIABILITIES Concept (Monetary) As Of Credit ifrs-full:CurrentLiabilities
92 NET CURRENT LIABILITIES Concept (Monetary) As Of Debit ifrs-full:CurrentAssetsLiabilities
93 TOTAL ASSETS LESS CURRENT LIABILITIES Concept (Monetary) As Of Debit ifrs-full:AssetsLessCurrentLiabilities
94 EQUITY Abstract ifrs-full:EquityAbstract
95 EQUITY ATTRIBUTABLE TO OWNERS OF THE COMPANY: Abstract ptr:EquityAttributableToOwnersOfParentAbstract
96 Share capital Concept (Monetary) As Of Credit ifrs-full:IssuedCapital
97 Retained earnings Concept (Monetary) As Of Credit ifrs-full:RetainedEarnings
98 Reserves Concept (Monetary) As Of Credit ifrs-full:OtherReserves
99 TOTAL EQUITY ATTRIBUTABLE TO OWNERS OF THE COMPANY Concept (Monetary) As Of Credit ifrs-full:EquityAttributableToOwnersOfParent
100 NON-CONTROLLING INTERESTS Concept (Monetary) As Of Credit ifrs-full:NoncontrollingInterests
101 TOTAL EQUITY Concept (Monetary) As Of Credit ifrs-full:Equity
102 NON-CURRENT LIABILITIES Abstract ifrs-full:NoncurrentLiabilitiesAbstract
103 Long-term borrowings Concept (Monetary) As Of Credit ifrs-full:LongtermBorrowings
104 Asset retirement obligations Concept (Monetary) As Of Credit ifrs-full:LongtermProvisionForDecommissioningRestorationAndRehabilitationCosts
105 Deferred tax liabilities Concept (Monetary) As Of Credit ifrs-full:DeferredTaxLiabilities
106 Other long-term obligations Concept (Monetary) As Of Credit ifrs-full:OtherNoncurrentLiabilities
107 TOTAL NON-CURRENT LIABILITIES Concept (Monetary) As Of Credit ifrs-full:NoncurrentLiabilities
108 TOTAL EQUITY AND NON-CURRENT LIABILITIES Concept (Monetary) As Of Credit ptr:EquityAndNonCurrentLiabilities
109 1005 - Statement - Consolidated Statements of Cash Flows Network

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 http://www.petrochina.com.cn/taxonomy/role/StatementOfCashFlowsIndirectMethod-520000
110 Implied Table Table

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111 Statement of cash flows [abstract] Abstract ifrs-full:StatementOfCashFlowsAbstract
112 CASH FLOWS FROM OPERATING ACTIVITIES Abstract ifrs-full:CashFlowsFromUsedInOperatingActivitiesAbstract
113 Profit for the year Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
114 Adjustments for: Abstract ifrs-full:AdjustmentsForReconcileProfitLossAbstract
115 Income tax expense Concept (Monetary) For Period Debit ifrs-full:IncomeTaxExpenseContinuingOperations
116 Depreciation, depletion and amortization Concept (Monetary) For Period Debit ptr:DepreciationDepletionAndAmortisationExpense
117 Capitalized exploratory costs charged to expense Concept (Monetary) For Period Debit ptr:CapitalisedExploratoryCostsChargedToExpense
118 Safety fund reserve Concept (Monetary) For Period Debit ptr:AdjustmentsForSafetyFundReserve
119 Share of profit of associates and joint ventures Concept (Monetary) For Period Credit ifrs-full:ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod
120 Provision for impairment of receivables, net Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossTradeAndOtherReceivables
121 Write down in inventories, net Concept (Monetary) For Period Debit ifrs-full:WritedownsReversalsOfInventories
122 Impairment of available-for-sale financial assets Concept (Monetary) For Period Debit ptr:AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossAvailableforsaleFinancialAssets
123 Impairment of other non-current assets Concept (Monetary) For Period Debit ptr:AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossOtherNoncurrentAssets
124 Loss on disposal of property, plant and equipment Concept (Monetary) For Period Debit ifrs-full:LossesOnDisposalsOfPropertyPlantAndEquipment
125 Gain on disposal of other non-current assets Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnDisposalsOfOtherNoncurrentAssets
126 Gain on disposal of subsidiaries Concept (Monetary) For Period Credit ifrs-full:GainsLossesRecognisedWhenControlInSubsidiaryIsLost
127 Dividend income Concept (Monetary) For Period Credit ifrs-full:DividendsRecognisedForInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeHeldAtEndOfReportingPeriod
128 Interest income Concept (Monetary) For Period Credit ifrs-full:FinanceIncome
129 Interest expense Concept (Monetary) For Period Debit ifrs-full:InterestExpense
130 Changes in working capital: Abstract ptr:ChangesInWorkingCapitalAbstract
131 Accounts receivable, prepayments and other current assets Concept (Monetary) For Period Debit ptr:AdjustmentsForDecreaseIncreaseInAccountsReceivablePrepaymentsAndOtherCurrentAssets
132 Inventories Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForDecreaseIncreaseInInventories
133 Accounts payable and accrued liabilities Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForIncreaseDecreaseInTradeAndOtherPayables
134 Contract liabilities Concept (Monetary) For Period Debit ptr:AdjustmentsForIncreaseDecreaseInContractLiabilities
135 CASH FLOWS GENERATED FROM OPERATIONS Concept (Monetary) For Period ifrs-full:CashFlowsFromUsedInOperations
136 Income taxes paid Concept (Monetary) For Period Credit ifrs-full:IncomeTaxesPaidClassifiedAsOperatingActivities
137 NET CASH FLOWS FROM OPERATING ACTIVITIES Concept (Monetary) For Period ifrs-full:CashFlowsFromUsedInOperatingActivities
138 CASH FLOWS FROM INVESTING ACTIVITIES Abstract ifrs-full:CashFlowsFromUsedInInvestingActivitiesAbstract
139 Capital expenditures Concept (Monetary) For Period Credit ifrs-full:PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities
140 Acquisition of investments in associates and joint ventures Concept (Monetary) For Period Credit ifrs-full:PurchaseOfInterestsInInvestmentsAccountedForUsingEquityMethod
141 Acquisition of financial assets measured at fair value through other comprehensive income Concept (Monetary) For Period Credit ifrs-full:PurchaseOfFinancialInstrumentsClassifiedAsInvestingActivities
142 Acquisition of available-for-sale financial assets Concept (Monetary) For Period Credit ifrs-full:PurchaseOfAvailableforsaleFinancialAssets
143 Prepayments on long-term operating leases Concept (Monetary) For Period Credit ifrs-full:CashOutflowForLeases
144 Acquisition of intangible assets and other non-current assets Concept (Monetary) For Period Credit ptr:PurchaseOfIntangibleAssetsAndOtherLongtermAssetsClassifiedAsInvestingActivities
145 Payments to non-controlling interests due to acquisition of subsidiaries Concept (Monetary) For Period Credit ptr:PaymentsToNonControllingInterestsDueToAcquireInterestsInSubsidiariesClassifiedAsInvestingActivities
146 Proceeds from disposal of property, plant and equipment Concept (Monetary) For Period Debit ifrs-full:ProceedsFromSalesOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities
147 Proceeds from disposal of other non-current assets Concept (Monetary) For Period Debit ifrs-full:ProceedsFromOtherLongtermAssetsClassifiedAsInvestingActivities
148 Interest received Concept (Monetary) For Period Debit ifrs-full:InterestReceivedClassifiedAsInvestingActivities
149 Dividends received Concept (Monetary) For Period Debit ifrs-full:DividendsReceivedClassifiedAsInvestingActivities
150 Decrease / (increase) in time deposits with maturities over three months Concept (Monetary) For Period Debit ifrs-full:CashFlowsFromUsedInDecreaseIncreaseInShorttermDepositsAndInvestments
151 NET CASH FLOWS USED FOR INVESTING ACTIVITIES Concept (Monetary) For Period Debit ifrs-full:CashFlowsFromUsedInInvestingActivities
152 CASH FLOWS FROM FINANCING ACTIVITIES Abstract ifrs-full:CashFlowsFromUsedInFinancingActivitiesAbstract
153 Repayments of short-term borrowings Concept (Monetary) For Period Credit ifrs-full:RepaymentsOfCurrentBorrowings
154 Repayments of long-term borrowings Concept (Monetary) For Period Credit ifrs-full:RepaymentsOfNoncurrentBorrowings
155 Interest paid Concept (Monetary) For Period Credit ifrs-full:InterestPaidClassifiedAsFinancingActivities
156 Dividends paid to non-controlling interests Concept (Monetary) For Period Credit ifrs-full:DividendsPaidToNoncontrollingInterestsClassifiedAsFinancingActivities
157 Dividends paid to owners of the company Concept (Monetary) For Period Credit ifrs-full:DividendsPaidToEquityHoldersOfParentClassifiedAsFinancingActivities
158 Payments to non-controllinginterests due to capital reduction of subsidiaries Concept (Monetary) For Period Credit ifrs-full:PaymentsFromChangesInOwnershipInterestsInSubsidiaries
159 Increase in short-term borrowings Concept (Monetary) For Period Debit ifrs-full:ProceedsFromCurrentBorrowings
160 Increase in long-term borrowings Concept (Monetary) For Period Debit ifrs-full:ProceedsFromNoncurrentBorrowings
161 Capital contribution from non-controlling interests Concept (Monetary) For Period Debit ifrs-full:ProceedsFromContributionsOfNoncontrollingInterests
162 Decrease in other long-term obligations Concept (Monetary) For Period Debit ifrs-full:OtherInflowsOutflowsOfCashClassifiedAsFinancingActivities
163 NET CASH FLOWS USED FOR FINANCING ACTIVITIES Concept (Monetary) For Period Debit ifrs-full:CashFlowsFromUsedInFinancingActivities
164 TRANSLATION OF FOREIGN CURRENCY Concept (Monetary) For Period Debit ifrs-full:EffectOfExchangeRateChangesOnCashAndCashEquivalents
165 (Decrease) / increase in cash and cash equivalents Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseInCashAndCashEquivalents
166 Cash and cash equivalents at beginning of the year Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
167 Cash and cash equivalents at end of the year Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
168 1006 - Statement - Consolidated Statements of Changes in Equity Network

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 http://www.petrochina.com.cn/taxonomy/role/StatementOfChangesInEquity-610000
169 Statement of changes in equity [table] Table

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 ifrs-full:StatementOfChangesInEquityTable
170 Components of equity [axis] Axis ifrs-full:ComponentsOfEquityAxis
171 Equity [member] Member ifrs-full:EquityMember
172 Share Capital [member] Member ifrs-full:IssuedCapitalMember
173 Retained earnings [member] Member ifrs-full:RetainedEarningsMember
174 Reserves [member] Member ifrs-full:OtherReservesMember
175 Attributable to owners of the company [member] Member ifrs-full:EquityAttributableToOwnersOfParentMember
176 Non-controlling interests [member] Member ifrs-full:NoncontrollingInterestsMember
177 Statement of changes in equity [line items] LineItems ifrs-full:StatementOfChangesInEquityLineItems
178 Beginning balance Concept (Monetary) As Of Credit ifrs-full:Equity
179 Profit Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
180 Other comprehensive income Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncome
181 Special reserve-safety fund reserve Concept (Monetary) For Period Credit ptr:IncreaseDecreaseThroughSpecialReserveSafetyFundReserve
182 Transfer to reserves Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughTransferToStatutoryReserve
183 Dividends Concept (Monetary) For Period Debit ifrs-full:DividendsPaid
184 Equity transaction with non-controlling interests in subsidiaries Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughChangesInOwnershipInterestsInSubsidiariesThatDoNotResultInLossOfControl
185 Capital contribution from non-controlling interests Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughChangeInEquityOfSubsidiaries
186 Disposal of subsidiaries Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughDisposalOfSubsidiary
187 Other Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughTransfersAndOtherChangesEquity
188 Ending balance Concept (Monetary) As Of Credit ifrs-full:Equity
189 1007 - Disclosure - Organization and Principal Activities Network

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190 Implied Table Table

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191 Text block [abstract] Abstract ptr:TextBlockAbstract
192 Organization and Principal Activities Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfGeneralInformationAboutFinancialStatementsExplanatory
193 1008 - Disclosure - Basis of Preparation Network

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194 Implied Table Table

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195 Text block [abstract] Abstract ptr:TextBlockAbstract
196 Basis of Preparation Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory
197 1009 - Disclosure - Summary of Principal Accounting Policies Network

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198 Implied Table Table

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199 Text block [abstract] Abstract ptr:TextBlockAbstract
200 Summary of Principal Accounting Policies Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfSummaryOfSignificantAccountingPoliciesExplanatory
201 1010 - Disclosure - Financial Risk and Capital Management Network

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202 Implied Table Table

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203 Text block [abstract] Abstract ptr:TextBlockAbstract
204 Financial Risk and Capital Management Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfFinancialRiskManagementExplanatory
205 1011 - Disclosure - Critical Accounting Estimates and Judgements Network

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206 Implied Table Table

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207 Text block [abstract] Abstract ptr:TextBlockAbstract
208 Critical Accounting Estimates and Judgements Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfAccountingJudgementsAndEstimatesExplanatory
209 1012 - Disclosure - Revenue Network

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210 Implied Table Table

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211 Text block [abstract] Abstract ptr:TextBlockAbstract
212 Revenue Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfRevenueExplanatory
213 1013 - Disclosure - Profit Before Income Tax Expense Network

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214 Implied Table Table

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215 Text block [abstract] Abstract ptr:TextBlockAbstract
216 Profit Before Income Tax Expense Concept (Text Block (HTML)) For Period ptr:DisclosureOfProfitLossBeforeIncomeTaxExpenseExplanatory
217 1014 - Disclosure - Employee Compensation Costs Network

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218 Implied Table Table

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219 Investments Schedule [Abstract] Abstract invest:InvestmentsScheduleAbstract
220 Employee Compensation Costs Concept (Text Block (HTML)) For Period ptr:DisclosureOfEmployeeCompensationCostsExplanatory
221 1015 - Disclosure - Taxes Other Than Income Taxes Network

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222 Implied Table Table

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223 Text block [abstract] Abstract ptr:TextBlockAbstract
224 Taxes Other Than Income Taxes Concept (Text Block (HTML)) For Period ptr:DisclosureOfTaxesOtherThanIncomeTaxesExplanatory
225 1016 - Disclosure - Interest Expense Network

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226 Implied Table Table

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227 Text block [abstract] Abstract ptr:TextBlockAbstract
228 Interest Expense Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfInterestExpenseExplanatory
229 1017 - Disclosure - Emoluments of Directors and Supervisors Network

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230 Implied Table Table

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231 Text block [abstract] Abstract ptr:TextBlockAbstract
232 Emoluments of Directors and Supervisors Concept (Text Block (HTML)) For Period ptr:DisclosureOfEmolumentsOfDirectorsAndSupervisorsExplanatory
233 1018 - Disclosure - Income Tax Expense Network

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234 Implied Table Table

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235 Text block [abstract] Abstract ptr:TextBlockAbstract
236 Income Tax Expense Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfIncomeTaxExplanatory
237 1019 - Disclosure - Basic and Diluted Earnings Per Share Network

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238 Implied Table Table

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239 Text block [abstract] Abstract ptr:TextBlockAbstract
240 Basic and Diluted Earnings Per Share Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfEarningsPerShareExplanatory
241 1020 - Disclosure - Dividends Network

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242 Implied Table Table

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243 Text block [abstract] Abstract ptr:TextBlockAbstract
244 Dividends Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfDividendsExplanatory
245 1021 - Disclosure - Property, Plant and Equipment Network

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246 Implied Table Table

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247 Text block [abstract] Abstract ptr:TextBlockAbstract
248 Property, Plant and Equipment Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfPropertyPlantAndEquipmentExplanatory
249 1022 - Disclosure - Interests in Other Entities Network

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250 Statement [table] Table

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251 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
252 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
253 Associates and joint ventures [member] Member ptr:AssociatesAndJointVenturesMember
254 Subsidiaries [member] Member ifrs-full:SubsidiariesMember
255 Statement [Line Items] LineItems ptr:StatementLineItems
256 Interests in Other Entities Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfInterestsInOtherEntitiesExplanatory
257 1023 - Disclosure - Available-for-sale Financial Assets Network

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258 Implied Table Table

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259 Text block [abstract] Abstract ptr:TextBlockAbstract
260 Available-for-sale Financial Assets Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfAvailableforsaleAssetsExplanatory
261 1024 - Disclosure - Financial Assets Measured at Fair Value Through Other Comprehensive Income Network

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262 Implied Table Table

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263 Text block [abstract] Abstract ptr:TextBlockAbstract
264 Financial Assets Measured at Fair Value Through Other Comprehensive Income Concept (Text Block (HTML)) For Period ptr:DisclosureOfFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeExplanatory
265 1025 - Disclosure - Advance Operating Lease Payments Network

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266 Implied Table Table

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267 Text block [abstract] Abstract ptr:TextBlockAbstract
268 Advance Operating Lease Payments Concept (Text Block (HTML)) For Period ptr:DisclosureOfAdvanceOperatingLeasePaymentsExplanatory
269 1026 - Disclosure - Intangible and Other Non-current Assets Network

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270 Implied Table Table

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271 Text block [abstract] Abstract ptr:TextBlockAbstract
272 Intangible and Other Non-current Assets Concept (Text Block (HTML)) For Period ptr:DisclosureOfIntangibleAndOtherNoncurrentAssetsExplanatory
273 1027 - Disclosure - Inventories Network

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274 Implied Table Table

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275 Text block [abstract] Abstract ptr:TextBlockAbstract
276 Inventories Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfInventoriesExplanatory
277 1028 - Disclosure - Accounts Receivable Network

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278 Implied Table Table

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279 Text block [abstract] Abstract ptr:TextBlockAbstract
280 Accounts Receivable Concept (Text Block (HTML)) For Period ptr:DisclosureOfAccountsReceivablesExplanatory
281 1029 - Disclosure - Prepayments and Other Current Assets Network

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282 Implied Table Table

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283 Text block [abstract] Abstract ptr:TextBlockAbstract
284 Prepayments and Other Current Assets Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfPrepaymentsAndOtherAssetsExplanatory
285 1030 - Disclosure - Notes Receivable Network

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286 Implied Table Table

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287 Text block [abstract] Abstract ptr:TextBlockAbstract
288 Notes Receivable Concept (Text Block (HTML)) For Period ptr:DisclosureOfNotesReceivablesExplanatory
289 1031 - Disclosure - Cash and Cash Equivalents Network

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290 Implied Table Table

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291 Text block [abstract] Abstract ptr:TextBlockAbstract
292 Cash and Cash Equivalents Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfCashAndCashEquivalentsExplanatory
293 1032 - Disclosure - Accounts Payable and Accrued Liabilities Network

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294 Implied Table Table

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295 Text block [abstract] Abstract ptr:TextBlockAbstract
296 Accounts Payable and Accrued Liabilities Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfTradeAndOtherPayablesExplanatory
297 1033 - Disclosure - Contract Liabilities Network

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298 Implied Table Table

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299 Text block [abstract] Abstract ptr:TextBlockAbstract
300 Contract Liabilities Concept (Text Block (HTML)) For Period ptr:ContractLiabilitiesExplanatory
301 1034 - Disclosure - Borrowings Network

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302 Implied Table Table

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303 Text block [abstract] Abstract ptr:TextBlockAbstract
304 Borrowings Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfBorrowingsExplanatory
305 1035 - Disclosure - Share Capital Network

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306 Implied Table Table

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307 Text block [abstract] Abstract ptr:TextBlockAbstract
308 Share Capital Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfClassesOfShareCapitalExplanatory
309 1036 - Disclosure - Reserves Network

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310 Implied Table Table

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311 Text block [abstract] Abstract ptr:TextBlockAbstract
312 Reserves Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfReservesAndOtherEquityInterestExplanatory
313 1037 - Disclosure - Deferred Taxation Network

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314 Implied Table Table

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315 Text block [abstract] Abstract ptr:TextBlockAbstract
316 Deferred Taxation Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfDeferredTaxesExplanatory
317 1038 - Disclosure - Asset Retirement Obligations Network

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318 Implied Table Table

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319 Text block [abstract] Abstract ptr:TextBlockAbstract
320 Asset Retirement Obligations Concept (Text Block (HTML)) For Period ptr:DisclosureOfAssetRetirementObligationsExplanatory
321 1039 - Disclosure - Pensions Network

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322 Implied Table Table

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323 Text block [abstract] Abstract ptr:TextBlockAbstract
324 Pensions Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfDefinedBenefitPlansExplanatory
325 1040 - Disclosure - Contingent Liabilities Network

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326 Implied Table Table

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327 Text block [abstract] Abstract ptr:TextBlockAbstract
328 Contingent Liabilities Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfContingentLiabilitiesExplanatory
329 1041 - Disclosure - Commitments Network

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330 Implied Table Table

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331 Text block [abstract] Abstract ptr:TextBlockAbstract
332 Commitments Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfCommitmentsExplanatory
333 1042 - Disclosure - Major Customers Network

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334 Implied Table Table

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335 Text block [abstract] Abstract ptr:TextBlockAbstract
336 Major Customers Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfSegmentsMajorCustomersExplanatory
337 1043 - Disclosure - Related Party Transactions Network

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338 Implied Table Table

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339 Text block [abstract] Abstract ptr:TextBlockAbstract
340 Related Party Transactions Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfRelatedPartyExplanatory
341 1044 - Disclosure - Segment Information Network

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342 Implied Table Table

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343 Text block [abstract] Abstract ptr:TextBlockAbstract
344 Segment Information Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfEntitysReportableSegmentsExplanatory
345 1045 - Disclosure - Approval of Financial Statements Network

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346 Implied Table Table

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347 Text block [abstract] Abstract ptr:TextBlockAbstract
348 Approval of Financial Statements Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfAuthorisationOfFinancialStatementsExplanatory
349 1046 - Disclosure - Supplementary Information on Oil and Gas Exploration and Production Activities (Unaudited) - Proved Oil and Gas Reserve Estimates Network

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 http://www.petrochina.com.cn/taxonomy/role/NotesToFinancialStatementsScheduleOfProvedDevelopedAndUndevelopedOilAndGasReserveQuantitiesTextBlock
350 Implied Table Table

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351 Extractive Industries [Abstract] Abstract srt:ExtractiveIndustriesAbstract
352 Supplementary Information on Oil and Gas Exploration and Production Activities (Unaudited) - Proved Oil and Gas Reserve Estimates Concept (Text Block (HTML)) For Period srt:ScheduleOfProvedDevelopedAndUndevelopedOilAndGasReserveQuantitiesTextBlock
353 1047 - Disclosure - Supplementary Information on Oil and Gas Exploration and Production Activities (Unaudited) - Capitalized Costs Network

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354 Implied Table Table

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355 Text block [abstract] Abstract ptr:TextBlockAbstract
356 Supplementary Information on Oil and Gas Exploration and Production Activities (Unaudited) - Capitalized Costs Concept (Text Block (HTML)) For Period ptr:CapitalizedCostsRelatingToOilAndGasProducingActivitiesDisclosureTextBlock
357 1048 - Disclosure - Supplementary Information on Oil and Gas Exploration and Production Activities (Unaudited) - Costs Incurred for Property Acquisitions, Exploration and Development Activities Network

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358 Implied Table Table

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359 Text block [abstract] Abstract ptr:TextBlockAbstract
360 Supplementary Information on Oil and Gas Exploration and Production Activities (Unaudited) - Costs Incurred for Property Acquisitions, Exploration and Development Activities Concept (Text Block (HTML)) For Period ptr:CostIncurredInOilAndGasPropertyAcquisitionExplorationAndDevelopmentActivitiesDisclosureTextBlock
361 1049 - Disclosure - Supplementary Information on Oil and Gas Exploration and Production Activities (Unaudited) - Results of Operations for Oil and Gas Producing Activities Network

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362 Implied Table Table

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363 Text block [abstract] Abstract ptr:TextBlockAbstract
364 Supplementary Information on Oil and Gas Exploration and Production Activities (Unaudited) - Results of Operations for Oil and Gas Producing Activities Concept (Text Block (HTML)) For Period ptr:ResultsOfOperationsForOilAndGasProducingActivitiesDisclosureTextBlock
365 1050 - Disclosure - Supplementary Information on Oil and Gas Exploration and Production Activities (Unaudited) - Standardized Measure of Discounted Future Net Cash Flows Network

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366 Implied Table Table

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367 Extractive Industries [Abstract] Abstract srt:ExtractiveIndustriesAbstract
368 Supplementary Information on Oil and Gas Exploration and Production Activities (Unaudited) - Standardized Measure of Discounted Future Net Cash Flows Concept (Text Block (HTML)) For Period srt:StandardizedMeasureOfDiscountedFutureCashFlowsRelatingToProvedReservesDisclosureTextBlock
369 1051 - Disclosure - Supplementary Information on Oil and Gas Exploration and Production Activities (Unaudited) - Changes in Standardized Measure of Discounted Future Net Cash Flows Network

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370 Implied Table Table

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371 Extractive Industries [Abstract] Abstract srt:ExtractiveIndustriesAbstract
372 Supplementary Information on Oil and Gas Exploration and Production Activities (Unaudited) - Changes in Standardized Measure of Discounted Future Net Cash Flows Concept (Text Block (HTML)) For Period srt:ScheduleOfChangesInStandardizedMeasureOfDiscountedFutureNetCashFlowsTableTextBlock
373 1052 - Disclosure - Summary of Principal Accounting Policies (Policies) Network

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374 Implied Table Table

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375 Text block [abstract] Abstract ptr:TextBlockAbstract
376 Basis of consolidation Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfBasisOfConsolidationExplanatory
377 Investments in associates Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForInvestmentInAssociates
378 Investments in joint ventures Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForInvestmentsInJointVentures
379 Transactions with non-controlling interests Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForTransactionsWithNoncontrollingInterestsExplanatory
380 Foreign currencies Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory
381 Property, plant and equipment Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory
382 Oil and gas properties Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForOilAndGasAssetsExplanatory
383 Intangible assets and goodwill Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForIntangibleAssetsAndGoodwillExplanatory
384 Financial instruments Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForFinancialInstrumentsExplanatory
385 Impairment for financial assets Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForImpairmentOfFinancialAssetsExplanatory
386 Leases Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForLeasesExplanatory
387 Inventories Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForMeasuringInventories
388 Contract costs Concept (Text Block (HTML)) For Period ptr:DescriptionOfAccountingPolicyForContractCostsExplanatory
389 Contract assets and contract liabilities Concept (Text Block (HTML)) For Period ptr:DescriptionOfAccountingPolicyForContractAssetsAndContractLiabilitiesExplanatory
390 Accounts receivable Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForTradeAndOtherReceivablesExplanatory
391 Cash and cash equivalents Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyToDetermineComponentsOfCashAndCashEquivalents
392 Accounts payable Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForTradeAndOtherPayablesExplanatory
393 Borrowings Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForBorrowingsExplanatory
394 Share capital Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForIssuedCapitalExplanatory
395 Interest income and interest expense Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForInterestIncomeAndExpenseExplanatory
396 Taxation Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForDeferredIncomeTaxExplanatory
397 Revenue recognition Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForRecognitionOfRevenue
398 Provisions Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForProvisionsExplanatory
399 Research and development Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForResearchAndDevelopmentExpenseExplanatory
400 Retirement benefit plans Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForEmployeeBenefitsExplanatory
401 Related parties Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForTransactionsWithRelatedPartiesExplanatory
402 New accounting standards developments Concept (Text Block (HTML)) For Period ptr:DescriptionOfAccountingPolicyForNewAccountingPoliciesExplanatory
403 1053 - Disclosure - Summary of Principal Accounting Policies (Tables) Network

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404 Implied Table Table

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405 Text block [abstract] Abstract ptr:TextBlockAbstract
406 Estimated Useful Lives, Residual value ratios and Annual Depreciation Rate for Depreciation Purposes Concept (Text Block (HTML)) For Period ptr:DisclosureOfPropertyPlantAndEquipmentEstimatedUsefulLifeResidualValueRatiosAndAnnualDepreciationRateExplanatory
407 1054 - Disclosure - Financial Risk and Capital Management (Tables) Network

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408 Implied Table Table

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409 Text block [abstract] Abstract ptr:TextBlockAbstract
410 Disclosure of Exposure to Credit Risk and Expected Credit Losses for Accounts Receivables Concept (Text Block (HTML)) For Period ptr:DisclosureOfEstimatedExposureToCreditRiskAndCreditLossesForTradeAccountsReceivableExplantory
411 1055 - Disclosure - Revenue (Tables) Network

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412 Implied Table Table

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413 Text block [abstract] Abstract ptr:TextBlockAbstract
414 Schedule of Revenue Information Concept (Text Block (HTML)) For Period ifrs-full:InformationAboutRelationshipBetweenDisclosureOfDisaggregatedRevenueFromContractsWithCustomersAndRevenueInformationForReportableSegmentsExplanatory
415 1056 - Disclosure - Profit Before Income Tax Expense (Tables) Network

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416 Implied Table Table

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417 Text block [abstract] Abstract ptr:TextBlockAbstract
418 Summary of Profit Before Income Tax Expense Concept (Text Block (HTML)) For Period ptr:DisclosureOfDetailedInformationAboutProfitLossBeforeIncomeTaxExpenseExplanatory
419 1057 - Disclosure - Employee Compensation Costs (Tables) Network

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420 Implied Table Table

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421 Investments Schedule [Abstract] Abstract invest:InvestmentsScheduleAbstract
422 Summary of Employee Compensation Costs Concept (Text Block (HTML)) For Period ptr:DisclosureOfDetailedInformationAboutEmployeeCompensationCosts
423 1058 - Disclosure - Taxes Other Than Income Taxes (Tables) Network

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424 Implied Table Table

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425 Text block [abstract] Abstract ptr:TextBlockAbstract
426 Summary of Taxes Other Than Income Taxes Concept (Text Block (HTML)) For Period ptr:DisclosureOfDetailedInformationAboutTaxesOtherThanIncomeTaxesExplanatory
427 1059 - Disclosure - Interest Expense (Tables) Network

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428 Implied Table Table

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429 Text block [abstract] Abstract ptr:TextBlockAbstract
430 Summary of Interest Expense Concept (Text Block (HTML)) For Period ptr:DisclosureOfDetailedInformationAboutInterestExpenseExplanatory
431 1060 - Disclosure - Emoluments of Directors and Supervisors (Tables) Network

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432 Implied Table Table

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433 Text block [abstract] Abstract ptr:TextBlockAbstract
434 Details of the Emoluments of Directors and Supervisors Concept (Text Block (HTML)) For Period ptr:DisclosureOfDetailedInformationAboutEmolumentsOfDirectorsAndSupervisorsExplanatory
435 1061 - Disclosure - Income Tax Expense (Tables) Network

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436 Implied Table Table

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437 Text block [abstract] Abstract ptr:TextBlockAbstract
438 Summary of Income Tax Expense Concept (Text Block (HTML)) For Period ptr:DisclosureOfDetailedInformationAboutIncomeTaxExpenseExplanatory
439 Reconciliation of Tax on Profit Before Taxation and the Tax using the Corporate Income Tax Rate in the PRC Applicable to the Group Concept (Text Block (HTML)) For Period ptr:DisclosureOfReconciliationOfEffectiveAndApplicableIncomeTaxExpensesExplanatory
440 1062 - Disclosure - Dividends (Tables) Network

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441 Implied Table Table

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442 Text block [abstract] Abstract ptr:TextBlockAbstract
443 Summary of Dividends Concept (Text Block (HTML)) For Period ptr:DisclosureOfDetailedInformationAboutDividendsExplanatory
444 1063 - Disclosure - Property, Plant and Equipment (Tables) Network

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445 Implied Table Table

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446 Text block [abstract] Abstract ptr:TextBlockAbstract
447 Summary of Property, Plant and Equipment Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory
448 Changes to Exploratory Well Costs Concept (Text Block (HTML)) For Period ptr:DisclosureOfExploratoryWellCostsExplanatory
449 Aging of Capitalized Exploratory Well Costs Concept (Text Block (HTML)) For Period ptr:DisclosureOfAgingOfCapitalizedExploratoryWellCostsExplanatory
450 1064 - Disclosure - Interests in Other Entities (Tables) Network

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451 Implied Table Table

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452 Investments accounted for using equity method [abstract] Abstract ifrs-full:InvestmentsAccountedForUsingEquityMethodAbstract
453 Summarized Financial Information of the Group's Principal Associates and Joint Ventures Concept (Text Block (HTML)) For Period ptr:DisclosureOfInvestmentsInAssociatesAndJointVenturesExplanatory
454 Summarized Financial Information of the Group's Principal Associates and Reconciliation to Carrying Amount and Statement of Comprehensive Income and Dividends Received of the Group's Principal Joint Ventures Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfSignificantInvestmentsInAssociatesExplanatory
455 Summarized Statement of Financial Posistion, Adjusted for Fair Value Adjustments and Differences in Accounting Policies and Reconciliation to Carrying Amount and Statement of Comprehensive Income, Adjusted for Fair Value Adjustments and Differences in Accounting Policies and Dividends Received of the Group's Principal Joint Ventures Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfJointVenturesExplanatory
456 Principal Subsidiaries of the Group Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesExplanatory
457 Summarized Financial Information of the Group's Principal Subsidiaries with Significant Non-controlling Interests Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfInterestsInSubsidiariesExplanatory
458 1065 - Disclosure - Available-for-sale Financial Assets (Tables) Network

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459 Statement [table] Table

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460 Categories of financial assets [axis] Axis ifrs-full:CategoriesOfFinancialAssetsAxis
461 Financial assets, category [member] Member ifrs-full:FinancialAssetsCategoryMember
462 Financial assets available-for-sale, category [Member] Member ifrs-full:FinancialAssetsAvailableforsaleCategoryMember
463 Trade receivables [member] Member ifrs-full:TradeReceivablesMember
464 Statement [Line Items] LineItems ptr:StatementLineItems
465 Summary of Financial Assets Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfFinancialAssetsExplanatory
466 1066 - Disclosure - Financial Assets Measured at Fair Value Through Other Comprehensive Income (Tables) Network

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467 Implied Table Table

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468 Text block [abstract] Abstract ptr:TextBlockAbstract
469 Schedule of Equity Investments Designates as Financial Asset at Fair Value Through Other Comprehensive Income Concept (Text Block (HTML)) For Period ptr:DisclosureOfEquityInvestmentsDesignatesAsFinancialAssetAtFairValueThroughOtherComprehensiveIncomeExplanatory
470 1067 - Disclosure - Advance Operating Lease Payments (Tables) Network

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471 Implied Table Table

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472 Text block [abstract] Abstract ptr:TextBlockAbstract
473 Summary of Advance Operating Lease Payments Concept (Text Block (HTML)) For Period ptr:DisclosureOfDetailedInformationAboutAdvanceOperatingLeasePaymentsExplanatory
474 1068 - Disclosure - Intangible and Other Non-current Assets (Tables) Network

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475 Implied Table Table

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476 Text block [abstract] Abstract ptr:TextBlockAbstract
477 Summary of Intangible and Other Non-current Assets Concept (Text Block (HTML)) For Period ptr:DisclosureOfDetailedInformationAboutIntangibleAndOtherNoncurrentAssetsExplanatory
478 1069 - Disclosure - Inventories (Tables) Network

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479 Implied Table Table

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480 Text block [abstract] Abstract ptr:TextBlockAbstract
481 Summary of Inventories Concept (Text Block (HTML)) For Period ptr:DisclosureOfDetailedInformationAboutInventoriesExplanatory
482 1070 - Disclosure - Accounts Receivable (Tables) Network

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483 Implied Table Table

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484 Text block [abstract] Abstract ptr:TextBlockAbstract
485 Aging Analysis of Accounts Receivable (Net of Impairment of Accounts Receivable) Concept (Text Block (HTML)) For Period ptr:DisclosureOfAgeingAnalysisOfAccountsReceivableExplanatory
486 Movements in Provision for Impairment of Accounts Receivable Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsExplanatory
487 1071 - Disclosure - Prepayments and Other Current Assets (Tables) Network

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488 Implied Table Table

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489 Text block [abstract] Abstract ptr:TextBlockAbstract
490 Summary of Prepayments and Other Current Assets Concept (Text Block (HTML)) For Period ptr:DisclosureOfDetailedInformationAboutPrepaymentsAndOtherCurrentAssetsExplanatory
491 1072 - Disclosure - Accounts Payable and Accrued Liabilities (Tables) Network

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 http://www.petrochina.com.cn/taxonomy/role/NotesToFinancialStatementsDisclosureOfTradeAndOtherPayablesExplanatoryTables
492 Implied Table Table

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493 Text block [abstract] Abstract ptr:TextBlockAbstract
494 Summary of Accounts Payable and Accrued Liabilities Concept (Text Block (HTML)) For Period ptr:DisclosureOfDetailedInformationAboutAccountsPayableAndAccruedLiabilitiesExplanatory
495 Aging Analysis of Trade Payables Concept (Text Block (HTML)) For Period ptr:DisclosureOfDetailedInformationAboutAgingAnalysisOfTradePayablesExplanatory
496 1073 - Disclosure - Borrowings (Tables) Network

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 http://www.petrochina.com.cn/taxonomy/role/NotesToFinancialStatementsDisclosureOfBorrowingsExplanatoryTables
497 Implied Table Table

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498 Text block [abstract] Abstract ptr:TextBlockAbstract
499 Summary of Borrowings Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsExplanatory
500 Borrowings by Interest Rate Concept (Text Block (HTML)) For Period ptr:DisclosureOfBorrowingsByInterestRateExplanatory
501 Borrowings by Major Currency Concept (Text Block (HTML)) For Period ptr:DisclosureOfBorrowingsByMajorCurrencyExplanatory
502 Borrowings' Remaining Contractual Maturities Concept (Text Block (HTML)) For Period ifrs-full:MaturityAnalysisForNonderivativeFinancialLiabilities
503 Summary of Reconcilation of Movements of Borrowings to Cash Flows Arising from Financing Activities Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesExplanatory
504 1074 - Disclosure - Share Capital (Tables) Network

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 http://www.petrochina.com.cn/taxonomy/role/NotesToFinancialStatementsDisclosureOfClassesOfShareCapitalExplanatoryTables
505 Implied Table Table

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 implied:Table
506 Text block [abstract] Abstract ptr:TextBlockAbstract
507 Summary of Share Capital Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfIssuedCapitalExplanatory
508 1075 - Disclosure - Reserves (Tables) Network

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 http://www.petrochina.com.cn/taxonomy/role/NotesToFinancialStatementsDisclosureOfReservesAndOtherEquityInterestExplanatoryTables
509 Implied Table Table

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 implied:Table
510 Text block [abstract] Abstract ptr:TextBlockAbstract
511 Summary of Reserves Concept (Text Block (HTML)) For Period ptr:DisclosureOfDetailedInformationAboutOtherReservesExplanatory
512 1076 - Disclosure - Deferred Taxation (Tables) Network

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 http://www.petrochina.com.cn/taxonomy/role/NotesToFinancialStatementsDisclosureOfDeferredTaxesExplanatoryTables
513 Implied Table Table

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514 Text block [abstract] Abstract ptr:TextBlockAbstract
515 Movements in Deferred Taxation Concept (Text Block (HTML)) For Period ptr:DisclosureOfMovementInDeferredTaxAssetsAndLiabilitiesExplanatory
516 Deferred Tax Balances Before Offset Concept (Text Block (HTML)) For Period ptr:DisclosureOfDeferredTaxAssetsAndLiabilitiesBeforeOffsetExplanatory
517 Deferred Tax Balances After Offset Concept (Text Block (HTML)) For Period ptr:DisclosureOfDeferredTaxAssetsAndLiabilitiesAfterOffsetExplanatory
518 1077 - Disclosure - Asset Retirement Obligations (Tables) Network

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 http://www.petrochina.com.cn/taxonomy/role/NotesToFinancialStatementsDisclosureOfAssetRetirementObligationsExplanatoryTables
519 Implied Table Table

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 implied:Table
520 Text block [abstract] Abstract ptr:TextBlockAbstract
521 Summary of Asset Retirement Obligations Concept (Text Block (HTML)) For Period ptr:DisclosureOfDetailedInformationAboutAssetRetirementObligationsExplanatory
522 1078 - Disclosure - Commitments (Tables) Network

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 http://www.petrochina.com.cn/taxonomy/role/NotesToFinancialStatementsDisclosureOfCommitmentsExplanatoryTables
523 Implied Table Table

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524 Text block [abstract] Abstract ptr:TextBlockAbstract
525 Future Minimum Lease Payments Under Non-cancellable Operating Leases Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfFinanceLeaseAndOperatingLeaseByLesseeExplanatory
526 Exploration and Production Licenses Estimated Annual Payments Concept (Text Block (HTML)) For Period ptr:DisclosureOfExplorationAndProductionLicensesEstimatedAnnualPaymentsExplanatory
527 1079 - Disclosure - Major Customers (Tables) Network

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 http://www.petrochina.com.cn/taxonomy/role/NotesToFinancialStatementsDisclosureOfSegmentsMajorCustomersExplanatoryTables
528 Implied Table Table

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 implied:Table
529 Text block [abstract] Abstract ptr:TextBlockAbstract
530 Group's Major Customers Concept (Text Block (HTML)) For Period ptr:DisclosureOfDetailedInformationAboutMajorCustomersExplanatory
531 1080 - Disclosure - Related Party Transactions (Tables) Network

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 http://www.petrochina.com.cn/taxonomy/role/NotesToFinancialStatementsDisclosureOfRelatedPartyExplanatoryTables
532 Implied Table Table

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 implied:Table
533 Text block [abstract] Abstract ptr:TextBlockAbstract
534 Amounts Due From and To CNPC and its Fellow Subsidiaries, Associates and Joint Ventures of the Group Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesExplanatory
535 Key Management Compensation Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfInformationAboutKeyManagementPersonnelExplanatory
536 1081 - Disclosure - Segment Information (Tables) Network

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 http://www.petrochina.com.cn/taxonomy/role/NotesToFinancialStatementsDisclosureOfEntitysReportableSegmentsExplanatoryTables
537 Implied Table Table

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538 Text block [abstract] Abstract ptr:TextBlockAbstract
539 Segment Information for the Operating Segments Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfOperatingSegmentsExplanatory
540 Geographical Information Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfGeographicalAreasExplanatory
541 1082 - Disclosure - Summary of Principal Accounting Policies - Estimated Useful Lives, Residual value ratios and Annual Depreciation Rate for Depreciation Purposes (Detail) Network

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*

 http://www.petrochina.com.cn/taxonomy/role/DisclosureSummaryOfPrincipalAccountingPoliciesEstimatedUsefulLivesResidualValueRatiosAndAnnualDepreciationRateForDepreciationPurposes
542 Disclosure of detailed information about property, plant and equipment [Table] Table

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 ifrs-full:DisclosureOfPropertyPlantAndEquipmentTable
543 Classes of property, plant and equipment [axis] Axis ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
544 Property, plant and equipment [member] Member ifrs-full:PropertyPlantAndEquipmentMember
545 Buildings [member] Member ifrs-full:BuildingsMember
546 Equipment and machinery [member] Member ptr:EquipmentAndMachineryMember
547 Motor vehicles [member] Member ifrs-full:MotorVehiclesMember
548 Other [member] Member ifrs-full:OtherPropertyPlantAndEquipmentMember
549 Range [axis] Axis ifrs-full:RangeAxis
550 Ranges [member] Member ifrs-full:RangesMember
551 Bottom of range [member] Member ifrs-full:BottomOfRangeMember
552 Top of range [member] Member ifrs-full:TopOfRangeMember
553 Disclosure of detailed information about property, plant and equipment [Line Items] LineItems ifrs-full:DisclosureOfPropertyPlantAndEquipmentLineItems
554 Property plant and equipment estimated useful lives for depreciation Concept (Text/String) For Period ifrs-full:UsefulLivesOrDepreciationRatesPropertyPlantAndEquipment
555 Property plant and equipment estimated annual depreciation rate for depreciation Concept (Percent) For Period ptr:AnnualDepreciationRateOfPropertyPlantAndEquipment
556 Property plant and equipment estimated residual value ratio for depreciation Concept (Percent) For Period ptr:EstimatedResidualValueRatio
557 1083 - Disclosure - Summary of Principal Accounting Policies - Additional Information (Detail) Network

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 http://www.petrochina.com.cn/taxonomy/role/DisclosureSummaryOfPrincipalAccountingPoliciesAdditionalInformation
558 Disclosure of detailed information about arrangements involving legal form of lease [table] Table

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 ifrs-full:DisclosureOfArrangementsInvolvingLegalFormOfLeaseTable
559 Range [axis] Axis ifrs-full:RangeAxis
560 Ranges [member] Member ifrs-full:RangesMember
561 Top of range [member] Member ifrs-full:TopOfRangeMember
562 Disclosure of detailed information about arrangements involving legal form of lease [Line Items] LineItems ifrs-full:DisclosureOfArrangementsInvolvingLegalFormOfLeaseLineItems
563 Land use rights terms Concept (xbrli:durationItemType) For Period ptr:LandUseRightsOperatingLeaseTerms
564 Additional lease liabilities Concept (Monetary) As Of Credit ifrs-full:FinanceLeaseLiabilities
565 1084 - Disclosure - Financial Risk and Capital Management - Disclosure of Exposure to Credit Risk and Expected Credit Losses for Accounts Receivables (Detail) Network

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 http://www.petrochina.com.cn/taxonomy/role/DisclosureFinancialRiskAndCapitalManagementDisclosureOfExposureToCreditRiskAndExpectedCreditLossesForAccountsReceivables
566 Disclosure of credit risk exposure [table] Table

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 ifrs-full:DisclosureOfCreditRiskExposureTable
567 Past due status [axis] Axis ifrs-full:PastDueStatusAxis
568 Past due status [member] Member ifrs-full:PastDueStatusMember
569 Current (not past due) [member] Member ifrs-full:CurrentMember
570 Within 1 year [member] Member ifrs-full:NotLaterThanOneYearMember
571 Between 1 and 2 years [member] Member ifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMember
572 Between 2 and 3 years [member] Member ifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMember
573 Over 3 years [member] Member ifrs-full:LaterThanThreeYearsMember
574 Disclosure of credit risk exposure [line items] LineItems ifrs-full:DisclosureOfCreditRiskExposureLineItems
575 Gross carrying amount Concept (Monetary) As Of ifrs-full:AmountByWhichLoansOrReceivablesRelatedCreditDerivativesOrSimilarInstrumentsMitigateMaximumExposureToCreditRisk
576 Impairment provision on individual basis Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsThatAreIndividuallyDeterminedToBeImpairedFairValueOfCollateralHeldAndOtherCreditEnhancements
577 Weighted - average loss rate Concept (Percent) As Of ifrs-full:ExpectedCreditLossRate
578 Impairment provision Concept (Monetary) For Period Debit ifrs-full:ImpairmentLossOnReceivablesOrContractAssetsArisingFromContractsWithCustomers
579 Loss allowance Concept (Monetary) As Of Credit ifrs-full:AllowanceAccountForCreditLossesOfFinancialAssets
580 1085 - Disclosure - Financial Risk and Capital Management - Additional Information (Detail) Network

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 http://www.petrochina.com.cn/taxonomy/role/DisclosureFinancialRiskAndCapitalManagementAdditionalInformation
581 Implied Table Table

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 implied:Table
582 Disclosure of objectives, policies and processes for managing capital [abstract] Abstract ifrs-full:DisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalAbstract
583 Gearing ratio, which is calculated as interest-bearing borrowings / (interest-bearing borrowings + total equity) Concept (Percent) As Of ptr:PercentageOfNetGearingRatio
584 1086 - Disclosure - Revenue - Schedule of Revenue Information (Detail) Network

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 http://www.petrochina.com.cn/taxonomy/role/DisclosureRevenueScheduleOfRevenueInformation
585 Disclosure of disaggregation of revenue from contracts with customers [table] Table

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 ifrs-full:DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersTable
586 Segments [axis] Axis ifrs-full:SegmentsAxis
587 Segments [member] Member ifrs-full:SegmentsMember
588 Exploration and production [member] Member ptr:ExplorationAndProductionMember
589 Refining and chemicals [member] Member ptr:RefiningAndChemicalsMember
590 Marketing [member] Member ptr:MarketingMember
591 Natural gas and pipeline [member] Member ptr:NaturalGasAndPipelineMember
592 Head office and other [member] Member ptr:HeadOfficeAndOtherMember
593 Segment consolidation items [axis] Axis ifrs-full:SegmentConsolidationItemsAxis
594 Entity's total for segment consolidation items [member] Member ifrs-full:EntitysTotalForSegmentConsolidationItemsMember
595 Operating segments [member] Member ifrs-full:OperatingSegmentsMember
596 Elimination of intersegment amounts [member] Member ifrs-full:EliminationOfIntersegmentAmountsMember
597 Products and services [axis] Axis ifrs-full:ProductsAndServicesAxis
598 Products and services [member] Member ifrs-full:ProductsAndServicesMember
599 Crude oil and condensate [member] Member srt:OilReservesMember
600 Natural gas [member] Member srt:NaturalGasReservesMember
601 Refined products [member] Member ptr:RefinedProductsMember
602 Chemical Products [member] Member ptr:ChemicalProductsMember
603 Pipeline transportation business [member] Member ptr:PipelineTransportationBusinessMember
604 Non-oil sales in gas stations [member] Member ptr:NonoilSalesInGasStationsMember
605 Other goods and services [member] Member ptr:OtherGoodsAndServicesMember
606 Geographical areas [axis] Axis ifrs-full:GeographicalAreasAxis
607 Geographical areas [member] Member ifrs-full:GeographicalAreasMember
608 Mainland China [member] Member ptr:MainlandChinaMember
609 Other countries [member] Member ptr:OtherCountriesMember
610 Disclosure of disaggregation of revenue from contracts with customers [line items] LineItems ifrs-full:DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersLineItems
611 Revenue from contracts with customers Concept (Monetary) For Period Credit ifrs-full:RevenueFromContractsWithCustomers
612 Other revenue Concept (Monetary) For Period Credit ifrs-full:OtherRevenue
613 Total Concept (Monetary) For Period Credit ifrs-full:Revenue
614 1087 - Disclosure - Profit Before Income Tax Expense - Summary of Profit Before Income Tax Expense (Detail) Network

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 http://www.petrochina.com.cn/taxonomy/role/DisclosureProfitBeforeIncomeTaxExpenseSummaryOfProfitBeforeIncomeTaxExpense
615 Implied Table Table

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616 Profit or loss [abstract] Abstract ifrs-full:IncomeStatementAbstract
617 Dividend income from financial assets measured at fair value through other comprehensive income Concept (Monetary) For Period Credit ptr:DividendIncomeFromFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome
618 Dividend income from available-for-sale financial assets Concept (Monetary) For Period Credit ptr:DividendIncomeFromAvailableForSaleFinancialAssets
619 Reversal of provision for impairment of receivables Concept (Monetary) For Period Credit ifrs-full:ReversalOfImpairmentLossRecognisedInProfitOrLoss
620 Reversal of write down in inventories Concept (Monetary) For Period ifrs-full:ReversalOfInventoryWritedown
621 Government grants Concept (Monetary) For Period Credit ifrs-full:RevenueFromGovernmentGrants
622 Gain on disposal of investment in subsidiaries Concept (Monetary) For Period Credit ifrs-full:GainsLossesRecognisedWhenControlInSubsidiaryIsLost
623 Amortization of intangible and other assets Concept (Monetary) For Period ifrs-full:AmortisationIntangibleAssetsOtherThanGoodwill
624 Auditors' remuneration Concept (Monetary) For Period Debit ifrs-full:AuditorsRemuneration
625 Cost of inventories recognized as expense Concept (Monetary) For Period Debit ifrs-full:CostOfInventoriesRecognisedAsExpenseDuringPeriod
626 Provision for impairment of receivables Concept (Monetary) For Period Debit ifrs-full:ImpairmentLossRecognisedInProfitOrLoss
627 Loss on disposal of property, plant and equipment Concept (Monetary) For Period Debit ifrs-full:LossesOnDisposalsOfPropertyPlantAndEquipment
628 Operating lease expenses Concept (Monetary) For Period Debit ifrs-full:LeaseAndSubleasePaymentsRecognisedAsExpense
629 Research and development expenses Concept (Monetary) For Period Debit ifrs-full:ResearchAndDevelopmentExpense
630 Write down in inventories Concept (Monetary) For Period ifrs-full:InventoryWritedown2011
631 1088 - Disclosure - Profit Before Income Tax Expense - Summary of Profit Before Income Tax Expense (Parenthetical) (Detail) Network

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 http://www.petrochina.com.cn/taxonomy/role/DisclosureProfitBeforeIncomeTaxExpenseSummaryOfProfitBeforeIncomeTaxExpenseParenthetical
632 Disclosure of transactions between related parties [table] Table

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 ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesTable
633 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
634 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
635 Subsidiaries [member] Member ifrs-full:SubsidiariesMember
636 Range [axis] Axis ifrs-full:RangeAxis
637 Ranges [member] Member ifrs-full:RangesMember
638 Maximum [Member] Member srt:MaximumMember
639 Disclosure of transactions between related parties [Line Items] LineItems ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesLineItems
640 Portion of value-added tax actual tax burden, percentage Concept (Percent) For Period ptr:ValueAddedTaxRate
641 Auditors' remuneration, fees paid by subsidiaries Concept (Monetary) For Period Debit ifrs-full:AuditorsRemuneration
642 1089 - Disclosure - Employee Compensation Costs - Summary of Employee Compensation Costs (Detail) Network

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 http://www.petrochina.com.cn/taxonomy/role/DisclosureEmployeeCompensationCostsSummaryOfEmployeeCompensationCosts
643 Implied Table Table

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644 Short-term employee benefits expense [abstract] Abstract ifrs-full:ShorttermEmployeeBenefitsExpenseAbstract
645 Wages, salaries and allowances Concept (Monetary) For Period Debit ifrs-full:WagesAndSalaries
646 Social security costs Concept (Monetary) For Period Debit ifrs-full:SocialSecurityContributions
647 Employee compensation costs Concept (Monetary) For Period Debit ifrs-full:ShorttermEmployeeBenefitsExpense
648 1090 - Disclosure - Taxes Other Than Income Taxes - Summary of Taxes Other Than Income Taxes (Detail) Network

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 http://www.petrochina.com.cn/taxonomy/role/DisclosureTaxesOtherThanIncomeTaxesSummaryOfTaxesOtherThanIncomeTaxes
649 Implied Table Table

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650 Disclosure Of Taxes Other Than Income Taxes [abstract] Abstract ptr:DisclosureOfTaxesOtherThanIncomeTaxesAbstract
651 Consumption tax Concept (Monetary) For Period Debit ptr:ConsumptionTax
652 Resource tax Concept (Monetary) For Period Debit ptr:ResourceTax
653 Crude oil special gain levy Concept (Monetary) For Period Debit ptr:CrudeOilSpecialGainLevy
654 Other Concept (Monetary) For Period Debit ptr:OtherTax
655 Taxes other than income taxes Concept (Monetary) For Period Debit ifrs-full:TaxExpenseOtherThanIncomeTaxExpense
656 1091 - Disclosure - Interest Expense - Summary of Interest Expense (Detail) Network

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 http://www.petrochina.com.cn/taxonomy/role/DisclosureInterestExpenseSummaryOfInterestExpense
657 Implied Table Table

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658 Interest costs [abstract] Abstract ifrs-full:InterestCostsAbstract
659 Interest on Bank loans Concept (Monetary) For Period Debit ifrs-full:InterestExpenseOnBankLoansAndOverdrafts
660 Other loans Concept (Monetary) For Period Debit ifrs-full:InterestExpenseOnOtherFinancialLiabilities
661 Accretion expense (Note 33) Concept (Monetary) For Period Debit ptr:AccretionExpense2
662 Less: Amounts capitalized Concept (Monetary) For Period ifrs-full:InterestCostsCapitalised
663 Interest expense Concept (Monetary) For Period Debit ifrs-full:InterestExpense
664 1092 - Disclosure - Interest Expense - Additional Information (Detail) Network

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 http://www.petrochina.com.cn/taxonomy/role/DisclosureInterestExpenseAdditionalInformation
665 Implied Table Table

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666 Interest costs [abstract] Abstract ifrs-full:InterestCostsAbstract
667 Average interest rate used to capitalize borrowing costs that are attributable to the construction of a qualifying asset Concept (Percent) For Period ifrs-full:CapitalisationRateOfBorrowingCostsEligibleForCapitalisation
668 1093 - Disclosure - Emoluments of Directors and Supervisors - Details of the Emoluments of Directors and Supervisors (Detail) Network

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 http://www.petrochina.com.cn/taxonomy/role/DisclosureEmolumentsOfDirectorsAndSupervisorsDetailsOfTheEmolumentsOfDirectorsAndSupervisors
669 Disclosure of transactions between related parties [table] Table

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 ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesTable
670 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
671 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
672 Vice chairman [member] Member ptr:ViceChairmanMember
673 Executive director [member] Member ptr:ExecutiveDirectorMember
674 Non-executive directors [member] Member ptr:NonExecutiveDirectorsMember
675 Supervisors [member] Member ptr:SupervisorsMember
676 Directors and supervisors [member] Member ptr:DirectorsAndSupervisorsMember
677 Directors and supervisors [Axis] Axis ptr:DirectorsAndSupervisorsAxis
678 Directors and supervisors [Domain] Member ptr:DirectorsAndSupervisorsDomain
679 Mr. Zhang Jianhua [member] Member ptr:ZhangJianhuaMember
680 Mr. Wang Dongjin [member] Member ptr:WangDongjinMember
681 Mr. Zhao Zhengzhang [member] Member ptr:ZhaoZhengzhangMember
682 Hou Qijun [member] Member ptr:HouQijunMember
683 Mr. Liu Hongbin [member] Member ptr:LiuHongbinMember
684 Mr. Chen Zhiwu [member] Member ptr:ChenZhiwuMember
685 Mr. Richard H. Matzke [member] Member ptr:RichardHMatzkeMember
686 Mr. Lin Boqiang [member] Member ptr:LinBoqiangMember
687 Mr. Zhang Biyi [member] Member ptr:ZhangBiyiMember
688 Ms. Elsie Leung Oi-sie [member] Member ptr:ElsieLeungOisieMember
689 Mr. Tokuchi Tatsuhito [member] Member ptr:TokuchiTatsuhitoMember
690 Mr. Simon Henry [member] Member ptr:SimonHenryMember
691 Mr. Yao Wei [member] Member ptr:YaoWeiMember
692 Mr. Liu Hehe [member] Member ptr:LiuHeheMember
693 Mr. Yang Hua [member] Member ptr:YangHuaMember
694 Fu Suotang [member] Member ptr:FuSuotangMember
695 Mr. Li Jiamin [member] Member ptr:LiJiaminMember
696 Mr. Liu Xianhua [member] Member ptr:LiuXianhuaMember
697 Mr. Li Wendong [member] Member ptr:LiWendongMember
698 Disclosure of transactions between related parties [Line Items] LineItems ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesLineItems
699 Fee for directors and supervisors Concept (Monetary) For Period Debit ptr:KeyManagementPersonnelCompensationFeeForDirectorsAndSupervisors
700 Salaries, allowances and other benefits Concept (Monetary) For Period Debit ifrs-full:KeyManagementPersonnelCompensationShorttermEmployeeBenefits
701 Contribution to retirement benefit scheme Concept (Monetary) For Period Debit ifrs-full:KeyManagementPersonnelCompensationPostemploymentBenefits
702 Total Concept (Monetary) For Period Debit ifrs-full:KeyManagementPersonnelCompensation
703 1094 - Disclosure - Emoluments of Directors and Supervisors - Additional Information (Detail) Network

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 http://www.petrochina.com.cn/taxonomy/role/DisclosureEmolumentsOfDirectorsAndSupervisorsAdditionalInformation
704 Disclosure of transactions between related parties [table] Table

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 ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesTable
705 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
706 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
707 Supervisors [member] Member ptr:SupervisorsMember
708 Senior management [member] Member ptr:SeniorManagementsMember
709 Senior management one [member] Member ptr:SeniorManagementOneMember
710 Senior management two [member] Member ptr:SeniorManagementTwoMember
711 Senior management third [member] Member ptr:SeniorManagementThirdMember
712 Senior management four [member] Member ptr:SeniorManagementFourMember
713 Disclosure of transactions between related parties [Line Items] LineItems ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesLineItems
714 Number of highest paid employees Concept (Integer) For Period ptr:NumberOfHighestPaidEmployees
715 Salaries, allowances and other benefits Concept (Monetary) For Period Debit ifrs-full:KeyManagementPersonnelCompensationShorttermEmployeeBenefits
716 Contribution to retirement benefit scheme Concept (Monetary) For Period Debit ifrs-full:KeyManagementPersonnelCompensationPostemploymentBenefits
717 Severance payment Concept (Monetary) For Period Debit ifrs-full:KeyManagementPersonnelCompensationTerminationBenefits
718 1095 - Disclosure - Income Tax Expense - Summary of Income Tax Expense (Detail) Network

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 http://www.petrochina.com.cn/taxonomy/role/DisclosureIncomeTaxExpenseSummaryOfIncomeTaxExpense
719 Implied Table Table

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720 Major components of tax expense (income) [abstract] Abstract ifrs-full:MajorComponentsOfTaxExpenseIncomeAbstract
721 Current taxes Concept (Monetary) For Period Debit ifrs-full:CurrentTaxExpenseIncome
722 Deferred taxes (Note 32) Concept (Monetary) For Period Debit ifrs-full:DeferredTaxExpenseIncome
723 Income tax expense Concept (Monetary) For Period Debit ifrs-full:IncomeTaxExpenseContinuingOperations
724 1096 - Disclosure - Income Tax Expense - Additional Information (Detail) Network

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 http://www.petrochina.com.cn/taxonomy/role/DisclosureIncomeTaxExpenseAdditionalInformation
725 Implied Table Table

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726 Major components of tax expense (income) [abstract] Abstract ifrs-full:MajorComponentsOfTaxExpenseIncomeAbstract
727 Corporate income tax rate Concept (Percent) For Period ifrs-full:ApplicableTaxRate
728 Preferential income tax rate Concept (Percent) For Period ptr:PreferentialIncomeTaxRate
729 1097 - Disclosure - Income Tax Expense - Reconciliation of Tax on Profit Before Taxation and the Tax using the Corporate Income Tax Rate in the PRC Applicable to the Group (Detail) Network

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 http://www.petrochina.com.cn/taxonomy/role/DisclosureIncomeTaxExpenseReconciliationOfTaxOnProfitBeforeTaxationAndTheTaxUsingTheCorporateIncomeTaxRateInThePRCApplicableToTheGroup
730 Implied Table Table

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731 Reconciliation of accounting profit multiplied by applicable tax rates [abstract] Abstract ifrs-full:ReconciliationOfAccountingProfitMultipliedByApplicableTaxRatesAbstract
732 Profit before income tax expense Concept (Monetary) For Period Credit ifrs-full:ProfitLossBeforeTax
733 Tax calculated at a tax rate of 25% Concept (Monetary) For Period Debit ifrs-full:TaxExpenseIncomeAtApplicableTaxRate
734 Tax return true-up Concept (Monetary) For Period Debit ptr:TaxReturnTrueUp
735 Effect of income taxes from international operations in excess of taxes at the PRC statutory tax rate Concept (Monetary) For Period Debit ifrs-full:TaxEffectOfForeignTaxRates
736 Effect of preferential tax rate Concept (Monetary) For Period Debit ifrs-full:OtherTaxEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome
737 Tax effect of income not subject to tax Concept (Monetary) For Period Credit ifrs-full:TaxEffectOfRevenuesExemptFromTaxation2011
738 Tax effect of expenses not deductible for tax purposes Concept (Monetary) For Period Debit ifrs-full:TaxEffectOfExpenseNotDeductibleInDeterminingTaxableProfitTaxLoss
739 Tax effect of temporary differences and losses unrecognized as deferred tax assets Concept (Monetary) For Period Credit ifrs-full:TaxBenefitArisingFromPreviouslyUnrecognisedTaxLossTaxCreditOrTemporaryDifferenceOfPriorPeriodUsedToReduceCurrentTaxExpense
740 Income tax expense Concept (Monetary) For Period Debit ifrs-full:IncomeTaxExpenseContinuingOperations
741 1098 - Disclosure - Income Tax Expense - Reconciliation of Tax on Profit Before Taxation and the Tax using the Corporate Income Tax Rate in the PRC Applicable to the Group (Parenthetical) (Detail) Network

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 http://www.petrochina.com.cn/taxonomy/role/DisclosureIncomeTaxExpenseReconciliationOfTaxOnProfitBeforeTaxationAndTheTaxUsingTheCorporateIncomeTaxRateInThePRCApplicableToTheGroupParenthetical
742 Implied Table Table

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 implied:Table
743 Reconciliation of accounting profit multiplied by applicable tax rates [abstract] Abstract ifrs-full:ReconciliationOfAccountingProfitMultipliedByApplicableTaxRatesAbstract
744 Corporate income tax rate Concept (Percent) For Period ifrs-full:ApplicableTaxRate
745 1099 - Disclosure - Basic and Diluted Earnings Per Share - Additional Information (Detail) Network

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*

 http://www.petrochina.com.cn/taxonomy/role/DisclosureBasicAndDilutedEarningsPerShareAdditionalInformation
746 Implied Table Table

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 implied:Table
747 Basic and diluted earnings per share [abstract] Abstract ifrs-full:BasicAndDilutedEarningsPerShareAbstract
748 Number of shares issued and outstanding Concept (Shares) For Period ifrs-full:WeightedAverageShares
749 Number of potentially dilutive ordinary shares Concept (Shares) For Period ifrs-full:DilutiveEffectOfShareOptionsOnNumberOfOrdinaryShares
750 1100 - Disclosure - Dividends - Summary of Dividends (Detail) Network

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*

 http://www.petrochina.com.cn/taxonomy/role/DisclosureDividendsSummaryOfDividends
751 Dividend attributable to owners [Table] Table

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*

 ptr:DividendAttributableToOwnersTable
752 Dividend [axis] Axis ptr:DividendAxis
753 Dividend [domain] Member ptr:DividendDomain
754 Interim dividends [member] Member ptr:InterimDividendsMember
755 Final dividends [member] Member ptr:FinalDividendsMember
756 Dividend attributable to owners [Line Items] LineItems ptr:DividendAttributableToOwnersLineItems
757 Dividends attributable to owners of the Company Concept (Monetary) As Of Credit ifrs-full:DividendsPayable
758 1101 - Disclosure - Dividends - Summary of Dividends (Parenthetical) (Detail) Network

*

*

 http://www.petrochina.com.cn/taxonomy/role/DisclosureDividendsSummaryOfDividendsParenthetical
759 Implied Table Table

*

*

 implied:Table
760 Dividend attributable to owners [abstract] Abstract ptr:DividendAttributableToOwnersAbstract
761 Dividends attributable to owners of the Company, per share Concept (Share) For Period ifrs-full:DividendsRecognisedAsDistributionsToOwnersPerShare
762 Dividends attributable to owners of the Company, total amount paid Concept (Monetary) For Period Debit ifrs-full:DividendsPaid
763 Dividends attributable to owners of the Company, proposed total Concept (Monetary) As Of Credit ifrs-full:DividendPayables
764 1102 - Disclosure - Property, Plant and Equipment - Summary of Property, Plant and Equipment (Detail) Network

*

*

 http://www.petrochina.com.cn/taxonomy/role/DisclosurePropertyPlantAndEquipmentSummaryOfPropertyPlantAndEquipment
765 Disclosure of detailed information about property, plant and equipment [Table] Table

*

*

 ifrs-full:DisclosureOfPropertyPlantAndEquipmentTable
766 Classes of property, plant and equipment [axis] Axis ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
767 Property, plant and equipment [member] Member ifrs-full:PropertyPlantAndEquipmentMember
768 Buildings [member] Member ifrs-full:BuildingsMember
769 Oil and gas properties [member] Member ifrs-full:OilAndGasAssetsMember
770 Equipment and machinery [member] Member ptr:EquipmentAndMachineryMember
771 Motor vehicles [member] Member ifrs-full:MotorVehiclesMember
772 Other [member] Member ifrs-full:OtherPropertyPlantAndEquipmentMember
773 Construction in progress [member] Member ifrs-full:ConstructionInProgressMember
774 Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] Axis ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis
775 Carrying amount [member] Member ifrs-full:CarryingAmountMember
776 Cost [member] Member ifrs-full:GrossCarryingAmountMember
777 Accumulated amortization, including impairment losses [member] Member ifrs-full:AccumulatedDepreciationAmortisationAndImpairmentMember
778 Disclosure of detailed information about property, plant and equipment [Line Items] LineItems ifrs-full:DisclosureOfPropertyPlantAndEquipmentLineItems
779 At beginning of the year Concept (Monetary) As Of Debit ifrs-full:PropertyPlantAndEquipment
780 Additions Concept (Monetary) For Period Debit ifrs-full:AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment
781 Charge for the year and others Concept (Monetary) For Period ptr:DepreciationAndOthersPropertyPlantAndEquipment
782 Transfers Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseThroughTransfersPropertyPlantAndEquipment
783 Impairment charge Concept (Monetary) For Period ifrs-full:ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment
784 Disposals or write offs Concept (Monetary) For Period Credit ifrs-full:DisposalsAndRetirementsPropertyPlantAndEquipment
785 Disposals or write offs or transfers Concept (Monetary) For Period Credit ptr:DisposalsAndRetirementsAndTransferPropertyPlantAndEquipment
786 Currency translation differences Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment
787 At end of the year Concept (Monetary) As Of Debit ifrs-full:PropertyPlantAndEquipment
788 1103 - Disclosure - Property, Plant and Equipment - Additional Information (Detail) Network

*

*

 http://www.petrochina.com.cn/taxonomy/role/DisclosurePropertyPlantAndEquipmentAdditionalInformation
789 Disclosure of detailed information about property, plant and equipment [Table] Table

*

*

 ifrs-full:DisclosureOfPropertyPlantAndEquipmentTable
790 Range [axis] Axis ifrs-full:RangeAxis
791 Ranges [member] Member ifrs-full:RangesMember
792 Bottom of range [member] Member ifrs-full:BottomOfRangeMember
793 Top of range [member] Member ifrs-full:TopOfRangeMember
794 Classes of property, plant and equipment [axis] Axis ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
795 Property, plant and equipment [member] Member ifrs-full:PropertyPlantAndEquipmentMember
796 Petrochemical and refinery production facilities [member] Member ptr:PetrochemicalAndRefineryProductionFacilitiesMember
797 Petrochemical production facilities [member] Member ptr:PetrochemicalProductionFacilitiesMember
798 Petrochemical and liquefied natural gas production facilities [member] Member ptr:PetrochemicalAndLiquefiedNaturalGasProductionFacilitiesMember
799 Oil and gas properties [member] Member ptr:OilAndGasPropertiesMember
800 Construction in progress [member] Member ifrs-full:ConstructionInProgressMember
801 Segments [axis] Axis ifrs-full:SegmentsAxis
802 Segments [member] Member ifrs-full:SegmentsMember
803 Exploration and production [member] Member ptr:ExplorationAndProductionMember
804 Disclosure of detailed information about property, plant and equipment [Line Items] LineItems ifrs-full:DisclosureOfPropertyPlantAndEquipmentLineItems
805 Impairment charge Concept (Monetary) For Period ifrs-full:ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment
806 After-tax discount rates adopted by most oil blocks Concept (Percent) As Of ifrs-full:DescriptionOfDiscountRatesUsedInCurrentEstimateOfValueInUse
807 1104 - Disclosure - Property, Plant and Equipment - Changes to Exploratory Well Costs (Detail) Network

*

*

 http://www.petrochina.com.cn/taxonomy/role/DisclosurePropertyPlantAndEquipmentChangesToExploratoryWellCosts
808 Disclosure of detailed information about property, plant and equipment [Table] Table

*

*

 ifrs-full:DisclosureOfPropertyPlantAndEquipmentTable
809 Classes of property, plant and equipment [axis] Axis ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
810 Property, plant and equipment [member] Member ifrs-full:PropertyPlantAndEquipmentMember
811 Construction in progress [member] Member ifrs-full:ConstructionInProgressMember
812 Classes of assets [axis] Axis ifrs-full:ClassesOfAssetsAxis
813 Assets [member] Member ifrs-full:ClassesOfAssetsMember
814 Exploratory well costs [member] Member ifrs-full:ExplorationAndEvaluationAssetsMember
815 Disclosure of detailed information about property, plant and equipment [Line Items] LineItems ifrs-full:DisclosureOfPropertyPlantAndEquipmentLineItems
816 At beginning of the year Concept (Monetary) For Period Debit ptr:CapitalizedExploratoryWellCostsBeginningBalance
817 Additions to capitalized exploratory well costs pending the determination of proved reserves Concept (Monetary) For Period Debit ptr:CapitalizedExploratoryWellCostsAdditionsPendingDeterminationOfProvedReserves
818 Reclassified to wells, facilities, and equipment based on the determination of proved reserves Concept (Monetary) For Period Credit ptr:ReclassificationToWellsFacilitiesAndEquipmentBasedOnDeterminationOfProvedReserves
819 Capitalized exploratory well costs charged to expense Concept (Monetary) For Period Debit ptr:CapitalisedExploratoryCostsChargedToExpense
820 At end of the year Concept (Monetary) As Of Debit ptr:CapitalizedExploratoryWellCostsEndingBalance
821 1105 - Disclosure - Property, Plant and Equipment - Aging of Capitalized Exploratory Well Costs (Detail) Network

*

*

 http://www.petrochina.com.cn/taxonomy/role/DisclosurePropertyPlantAndEquipmentAgingOfCapitalizedExploratoryWellCosts
822 Disclosure of detailed information about property, plant and equipment [Table] Table

*

*

 ifrs-full:DisclosureOfPropertyPlantAndEquipmentTable
823 Classes of property, plant and equipment [axis] Axis ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
824 Property, plant and equipment [member] Member ifrs-full:PropertyPlantAndEquipmentMember
825 Construction in progress [member] Member ifrs-full:ConstructionInProgressMember
826 Disclosure of detailed information about property, plant and equipment [Line Items] LineItems ifrs-full:DisclosureOfPropertyPlantAndEquipmentLineItems
827 One year or less Concept (Monetary) As Of Debit ptr:CapitalizedExploratoryWellCostsThatHaveBeenCapitalizedForPeriodOfOneYearOrLess
828 Over one year Concept (Monetary) As Of Debit ptr:CapitalizedExploratoryWellCostsThatHaveBeenCapitalizedForPeriodGreaterThanOneYear
829 Capitalized Exploratory Well Costs Concept (Monetary) As Of Debit ptr:CapitalizedExploratoryWellCost
830 1106 - Disclosure - Investments in Associates and Joint Ventures - Summarized Financial Information of the Group's Principal Associates and Joint Ventures (Detail) Network

*

*

 http://www.petrochina.com.cn/taxonomy/role/DisclosureInvestmentsInAssociatesAndJointVenturesSummarizedFinancialInformationOfTheGroupsPrincipalAssociatesAndJointVentures
831 Disclosure of associates and joint ventures [Table] Table

*

*

 ptr:DisclosureOfAssociatesAndJointVenturesTable
832 Joint ventures [axis] Axis ifrs-full:JointVenturesAxis
833 Entity's total for joint ventures [member] Member ifrs-full:EntitysTotalForJointVenturesMember
834 Arrow Energy Holdings Pty Ltd. [member] Member ptr:ArrowEnergyHoldingsPtyLtdMember
835 China Marine Bunker (PetroChina) Co., Ltd. [member] Member ptr:ChinaMarineBunkerPetrochinaCoLtdMember
836 Trans-Asia Gas Pipeline Co., Ltd. [member] Member ptr:TransAsiaGasPipelineCoLtdMember
837 Associates [axis] Axis ifrs-full:SignificantInvestmentsInAssociatesAxis
838 Entity's total for associates [member] Member ifrs-full:EntitysTotalForAssociatesMember
839 China Petroleum Finance Co., Ltd. [member] Member ptr:ChinaPetroleumFinanceCoLtdMember
840 CNPC Captive Insurance Co., Ltd. [member] Member ptr:CNPCCaptiveInsuranceCoLtdMember
841 Dalian West Pacific Petrochemical Co., Ltd. [member] Member ptr:DalianWestPacificPetrochemicalCoLtdMember
842 Disclosure of associates and joint ventures [Line Items] LineItems ptr:DisclosureOfAssociatesAndJointVenturesLineItems
843 Associate, Country of Incorporation Concept (Text/String) For Period ifrs-full:CountryOfIncorporationOrResidenceOfAssociate
844 Joint Venture, Country of Incorporation Concept (Text/String) For Period ifrs-full:CountryOfIncorporationOfJointVenture
845 Registered Capital Concept (Monetary) As Of Credit ifrs-full:IssuedCapital
846 Principal Activities Concept (Text/String) For Period ifrs-full:DescriptionOfNatureOfEntitysOperationsAndPrincipalActivities
847 Associate, Interest Direct % Concept (Percent) For Period ifrs-full:ProportionOfOwnershipInterestInAssociate
848 Joint Venture, Interest Indirect % Concept (Percent) For Period ifrs-full:ProportionOfOwnershipInterestInJointVenture
849 1107 - Disclosure - Investments in Associates and Joint Ventures - Additional Information (Detail) Network

*

*

 http://www.petrochina.com.cn/taxonomy/role/DisclosureInvestmentsInAssociatesAndJointVenturesAdditionalInformation
850 Disclosure of associates and joint ventures [Table] Table

*

*

 ptr:DisclosureOfAssociatesAndJointVenturesTable
851 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
852 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
853 Associates and joint ventures [member] Member ptr:AssociatesAndJointVenturesMember
854 Associates and joint ventures disposal [member] Member ptr:AssociatesAndJointVenturesDisposalMember
855 Individually immaterial associates and joint ventures accounted for using equity method [member] Member ptr:AggregatedIndividuallyImmaterialAssociatesAndJointVenturesMember
856 Disclosure of associates and joint ventures [Line Items] LineItems ptr:DisclosureOfAssociatesAndJointVenturesLineItems
857 Dividends received or receivable from associates and joint ventures Concept (Monetary) For Period Debit ptr:DividendsReceivedAndReceivable
858 Investments in associates and joint ventures that were disposed of Concept (Monetary) As Of Debit ifrs-full:InvestmentAccountedForUsingEquityMethod
859 Investments in associates and joint ventures that were disposed of, gain (loss) Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnDisposalsOfInvestments
860 Share of profit accounted for using equity method Concept (Monetary) For Period Credit ifrs-full:ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod
861 Share of other comprehensive income accounted for using equity method Concept (Monetary) For Period Credit ifrs-full:ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethod
862 1108 - Disclosure - Investments in Associates and Joint Ventures - Summarized Financial Information of the Group's Principal Associates and Reconciliation to Carrying Amount and Statement of Comprehensive Income and Dividends Received of the Group's Principal Joint Ventures (Detail) Network

*

*

 http://www.petrochina.com.cn/taxonomy/role/DisclosureInvestmentsInAssociatesAndJointVenturesSummarizedFinancialInformationOfTheGroupsPrincipalAssociatesAndReconciliationToCarryingAmountAndStatementOfComprehensiveIncomeAnd_Xa
863 Disclosure of associates [table] Table

*

*

 ifrs-full:DisclosureOfSignificantInvestmentsInAssociatesTable
864 Associates [axis] Axis ifrs-full:SignificantInvestmentsInAssociatesAxis
865 Entity's total for associates [member] Member ifrs-full:EntitysTotalForAssociatesMember
866 Dalian West Pacific Petrochemical Co., Ltd. [member] Member ptr:DalianWestPacificPetrochemicalCoLtdMember
867 China Petroleum Finance Co., Ltd. [member] Member ptr:ChinaPetroleumFinanceCoLtdMember
868 CNPC Captive Insurance Co., Ltd. [member] Member ptr:CNPCCaptiveInsuranceCoLtdMember
869 Disclosure of associates [Line Items] LineItems ifrs-full:DisclosureOfSignificantInvestmentsInAssociatesLineItems
870 Percentage ownership interest (%) Concept (Percent) For Period ifrs-full:ProportionOfOwnershipInterestInAssociate
871 Current assets Concept (Monetary) As Of Debit ifrs-full:CurrentAssets
872 Non-current assets Concept (Monetary) As Of Debit ifrs-full:NoncurrentAssets
873 Current liabilities Concept (Monetary) As Of Credit ifrs-full:CurrentLiabilities
874 Non-current liabilities Concept (Monetary) As Of Credit ifrs-full:NoncurrentLiabilities
875 Net (liabilities) / assets Concept (Monetary) As Of Debit ifrs-full:NetAssetsLiabilities
876 Group's share of net assets Concept (Monetary) As Of Debit ptr:ShareOfNetAssetsLiabilitiesOfAssociates
877 Goodwill Concept (Monetary) As Of Debit ifrs-full:Goodwill
878 Carrying amount of interest in associates Concept (Monetary) As Of Debit ifrs-full:InvestmentsInAssociates
879 REVENUE Concept (Monetary) For Period Credit ifrs-full:Revenue
880 Profit for the year Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
881 Other comprehensive income Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncome
882 Total comprehensive income Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncome
883 Group's share of total comprehensive income Concept (Monetary) For Period Credit ifrs-full:ShareOfTotalComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethod
884 Dividends received by the Group Concept (Monetary) For Period Debit ifrs-full:DividendsReceived
885 1109 - Disclosure - Investments in Associates and Joint Ventures - Summarized Statement of Financial Posistion, Adjusted for Fair Value Adjustments and Differences in Accounting Policies and Reconciliation to Carrying Amount and Statement of Comprehensive Income, Adjusted for Fair Value Adjustments and Differences in Accounting Policies and Dividends Received of the Group's Principal Joint Ventures (Detail) Network

*

*

 http://www.petrochina.com.cn/taxonomy/role/DisclosureInvestmentsInAssociatesAndJointVenturesSummarizedStatementOfFinancialPosistionAdjustedForFairValueAdjustmentsAndDifferencesInAccountingPoliciesAndReconciliationToCarryi_Xb
886 Disclosure of joint ventures [table] Table

*

*

 ifrs-full:DisclosureOfJointVenturesTable
887 Joint ventures [axis] Axis ifrs-full:JointVenturesAxis
888 Entity's total for joint ventures [member] Member ifrs-full:EntitysTotalForJointVenturesMember
889 China Marine Bunker (PetroChina) Co., Ltd. [member] Member ptr:ChinaMarineBunkerPetrochinaCoLtdMember
890 Arrow Energy Holdings Pty Ltd. [member] Member ptr:ArrowEnergyHoldingsPtyLtdMember
891 Trans-Asia Gas Pipeline Co., Ltd. [member] Member ptr:TransAsiaGasPipelineCoLtdMember
892 Disclosure of joint ventures [Line Items] LineItems ifrs-full:DisclosureOfJointVenturesLineItems
893 Percentage ownership interest (%) Concept (Percent) For Period ifrs-full:ProportionOfOwnershipInterestInJointVenture
894 Non-current assets Concept (Monetary) As Of Debit ifrs-full:NoncurrentAssets
895 Current assets Concept (Monetary) As Of Debit ifrs-full:CurrentAssets
896 Including: cash and cash equivalents Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
897 Non-current liabilities Concept (Monetary) As Of Credit ifrs-full:NoncurrentLiabilities
898 Including: Non-current financial liabilities excluding trade and other payables and provisions Concept (Monetary) As Of Credit ifrs-full:OtherNoncurrentFinancialLiabilities
899 Current liabilities Concept (Monetary) As Of Credit ifrs-full:CurrentLiabilities
900 Including: Current financial liabilities excluding trade and other payables and provisions Concept (Monetary) As Of Credit ifrs-full:OtherCurrentFinancialLiabilities
901 Net assets Concept (Monetary) As Of Debit ifrs-full:NetAssetsLiabilities
902 Net assets attributable to owners of the Company Concept (Monetary) As Of Debit ptr:NetAssetsLiabilitiesAttributableToOwners
903 Group's share of net assets Concept (Monetary) As Of Debit ptr:ShareOfNetAssetsLiabilitiesOfJointVentures
904 Elimination of transactions with the Group Concept (Monetary) As Of Credit ptr:TransactionsWithJointVentures
905 Carrying amount of interest in joint ventures Concept (Monetary) As Of Debit ifrs-full:InvestmentsInJointVentures
906 REVENUE Concept (Monetary) For Period Credit ifrs-full:Revenue
907 Depreciation, depletion and amortization Concept (Monetary) For Period Debit ptr:DepreciationDepletionAndAmortisationExpense
908 Interest income Concept (Monetary) For Period Credit ifrs-full:RevenueFromInterest
909 Interest expense Concept (Monetary) For Period Debit ifrs-full:InterestExpense
910 Income tax expense Concept (Monetary) For Period Debit ifrs-full:IncomeTaxExpenseContinuingOperations
911 Net profit / (loss) Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
912 Total comprehensive income Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncome
913 Group's share of total comprehensive income Concept (Monetary) For Period Credit ifrs-full:ShareOfTotalComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethod
914 Dividends received by the Group Concept (Monetary) For Period Debit ifrs-full:DividendsReceived
915 1110 - Disclosure - Available-for-sale Financial Assets - Summary of Available-for-sale Financial Assets (Detail) Network

*

*

 http://www.petrochina.com.cn/taxonomy/role/DisclosureAvailableforsaleFinancialAssetsSummaryOfAvailableforsaleFinancialAssets
916 Disclosure of financial assets [table] Table

*

*

 ifrs-full:DisclosureOfFinancialAssetsTable
917 Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] Axis ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis
918 Carrying amount [member] Member ifrs-full:CarryingAmountMember
919 Cost [member] Member ifrs-full:GrossCarryingAmountMember
920 Accumulated impairment [member] Member ifrs-full:AccumulatedImpairmentMember
921 Disclosure of financial assets [Line Items] LineItems ifrs-full:DisclosureOfFinancialAssetsLineItems
922 Available-for-sale financial assets Concept (Monetary) As Of Debit ifrs-full:NoncurrentFinancialAssetsAvailableforsale
923 1111 - Disclosure - Financial Assets Measured at Fair Value Through Other Comprehensive Income - Schedule of Equity Investments Designates as Financial Asset at Fair Value Through Other Comprehensive Income (Detail) Network

*

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 http://www.petrochina.com.cn/taxonomy/role/DisclosureFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeScheduleOfEquityInvestmentsDesignatesAsFinancialAssetAtFairValueThroughOtherComprehensiveIncome
924 Financial assets measured at fair value through other comprehensive income [table] Table

*

*

 ptr:FinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeTable
925 Legal Entity [Axis] Axis dei:LegalEntityAxis
926 Entity [Domain] Member dei:EntityDomain
927 China Pacific Insurance (Group) Co.,Ltd. [member] Member ptr:ChinaPacificInsuranceGroupCoLtdMember
928 Chengdu Huaqi Houpu Holding Co.,Ltd. [member] Member ptr:ChengduHuaqiHoupuHoldingCoLtdMember
929 Other investment company's [member] Member ptr:OtherInvestmentCompanysMember
930 Financial assets measured at fair value through other comprehensive income [line items] LineItems ptr:FinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeLineItems
931 Financial assets measured at fair value through other comprehensive income Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValueThroughOtherComprehensiveIncome
932 1112 - Disclosure - Financial Assets Measured at Fair Value Through Other Comprehensive Income - Additional Information (Detail) Network

*

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 http://www.petrochina.com.cn/taxonomy/role/DisclosureFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeAdditionalInformation
933 Implied Table Table

*

*

 implied:Table
934 Financial assets measured at fair value through other comprehensive income [abstract] Abstract ifrs-full:FinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeAbstract
935 Dividend received Concept (Monetary) For Period Credit ifrs-full:DividendsRecognisedForInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeHeldAtEndOfReportingPeriod
936 1113 - Disclosure - Subsidiaries - Principal Subsidiaries of the Group (Detail) Network

*

*

 http://www.petrochina.com.cn/taxonomy/role/DisclosureSubsidiariesPrincipalSubsidiariesOfTheGroup
937 Disclosure of subsidiaries [table] Table

*

*

 ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesTable
938 Subsidiaries [axis] Axis ifrs-full:SignificantInvestmentsInSubsidiariesAxis
939 Entity's total for subsidiaries [member] Member ifrs-full:EntitysTotalForSubsidiariesMember
940 Daqing Oilfield Company Limited [member] Member ptr:DaqingOilfieldCompanyLimitedMember
941 CNPC Exploration and Development Company Limited [member] Member ptr:CNPCExplorationAndDevelopmentCompanyLimitedMember
942 PetroChina Hong Kong Limited [member] Member ptr:PetroChinaHongKongLimitedMember
943 PetroChina International Investment Company Limited [member] Member ptr:PetroChinaInternationalInvestmentCompanyLimitedMember
944 PetroChina International Company Limited [member] Member ptr:PetroChinaInternationalCompanyLimitedMember
945 PetroChina Pipelines Co., Ltd. [member] Member ptr:PetroChinaPipelinesCoLtdMember
946 Disclosure of subsidiaries [Line Items] LineItems ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesLineItems
947 Country of Incorporation Concept (Text/String) For Period ifrs-full:CountryOfIncorporationOrResidenceOfSubsidiary
948 Registered Capital Concept (Monetary) As Of Credit ptr:RegisteredCapital
949 Type of Legal Entity Concept (Text/String) For Period ifrs-full:LegalFormOfEntity
950 Attributable Equity Interest % Concept (Percent) For Period ifrs-full:ProportionOfOwnershipInterestInSubsidiary
951 Voting Rights % Concept (Percent) For Period ifrs-full:ProportionOfVotingPowerHeldInSubsidiary
952 Principal Activities Concept (Text/String) For Period ifrs-full:DescriptionOfNatureOfEntitysOperationsAndPrincipalActivities
953 1114 - Disclosure - Subsidiaries - Summarized Financial Information of the Group's Principal Subsidiaries with Significant Non-controlling Interests (Detail) Network

*

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 http://www.petrochina.com.cn/taxonomy/role/DisclosureSubsidiariesSummarizedFinancialInformationOfTheGroupsPrincipalSubsidiariesWithSignificantNoncontrollingInterests
954 Disclosure of subsidiaries [table] Table

*

*

 ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesTable
955 Subsidiaries [axis] Axis ifrs-full:SignificantInvestmentsInSubsidiariesAxis
956 Entity's total for subsidiaries [member] Member ifrs-full:EntitysTotalForSubsidiariesMember
957 CNPC Exploration and Development Company Limited [member] Member ptr:CNPCExplorationAndDevelopmentCompanyLimitedMember
958 PetroChina Pipelines Co., Ltd. [member] Member ptr:PetroChinaPipelinesCoLtdMember
959 Disclosure of subsidiaries [Line Items] LineItems ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesLineItems
960 Percentage ownership interest (%) Concept (Percent) For Period ifrs-full:ProportionOfOwnershipInterestInSubsidiary
961 Current assets Concept (Monetary) As Of Debit ifrs-full:CurrentAssets
962 Non-current assets Concept (Monetary) As Of Debit ifrs-full:NoncurrentAssets
963 Current liabilities Concept (Monetary) As Of Credit ifrs-full:CurrentLiabilities
964 Non-current liabilities Concept (Monetary) As Of Credit ifrs-full:NoncurrentLiabilities
965 Net assets Concept (Monetary) As Of Debit ifrs-full:NetAssetsLiabilities
966 REVENUE Concept (Monetary) For Period Credit ifrs-full:Revenue
967 Profit from continuing operations Concept (Monetary) For Period Credit ifrs-full:ProfitLossFromContinuingOperations
968 Total comprehensive income Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncome
969 Profit attributable to non-controlling interests Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToNoncontrollingInterests
970 Dividends paid to non-controlling interests Concept (Monetary) For Period Credit ifrs-full:DividendsPaidToNoncontrollingInterests
971 Net cash inflow from operating activities Concept (Monetary) For Period ifrs-full:CashFlowsFromUsedInOperatingActivities
972 Net cash (outflow) / inflow from investing activities Concept (Monetary) For Period Debit ifrs-full:CashFlowsFromUsedInInvestingActivities
973 Net cash inflow/(outflow) from financing activities Concept (Monetary) For Period Debit ifrs-full:CashFlowsFromUsedInFinancingActivities
974 Effect of foreign exchange rate changes on cash and cash equivalents Concept (Monetary) For Period Debit ifrs-full:EffectOfExchangeRateChangesOnCashAndCashEquivalents
975 Net (decrease) / increase in cash and cash equivalents Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseInCashAndCashEquivalents
976 Cash and cash equivalents at beginning of the year Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
977 Cash and cash equivalents at end of the year Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
978 1115 - Disclosure - Advance Operating Lease Payments - Summary of Advance Operating Lease Payments (Detail) Network

*

*

 http://www.petrochina.com.cn/taxonomy/role/DisclosureAdvanceOperatingLeasePaymentsSummaryOfAdvanceOperatingLeasePayments
979 Implied Table Table

*

*

 implied:Table
980 Disclosure of Operating Lease by Lessee [abstract] Abstract ptr:DisclosureOfOperatingLeaseByLesseeAbstract
981 Land use rights Concept (Monetary) As Of Debit ifrs-full:RightofuseAssets
982 Advance lease payments Concept (Monetary) As Of Debit ifrs-full:NoncurrentLeasePrepayments
983 Total Concept (Monetary) As Of Debit ptr:AdvanceOperatingLeasePayments
984 1116 - Disclosure - Intangible and Other Non-current Assets - Summary of Intangible and Other Non-current Assets (Detail) Network

*

*

 http://www.petrochina.com.cn/taxonomy/role/DisclosureIntangibleAndOtherNoncurrentAssetsSummaryOfIntangibleAndOtherNoncurrentAssets
985 Disclosure of detailed information about intangible assets [table] Table

*

*

 ifrs-full:DisclosureOfIntangibleAssetsTable
986 Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] Axis ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis
987 Carrying amount [member] Member ifrs-full:CarryingAmountMember
988 Cost [member] Member ifrs-full:GrossCarryingAmountMember
989 Accumulated amortization, including impairment losses [member] Member ifrs-full:AccumulatedDepreciationAmortisationAndImpairmentMember
990 Classes of intangible assets and goodwill [axis] Axis ifrs-full:ClassesOfIntangibleAssetsAndGoodwillAxis
991 Intangible assets and goodwill [member] Member ifrs-full:IntangibleAssetsAndGoodwillMember
992 Patents and technical know-how [member] Member ifrs-full:TechnologybasedIntangibleAssetsMember
993 Computer software [member] Member ifrs-full:ComputerSoftwareMember
994 Goodwill [member] Member ifrs-full:GoodwillMember
995 Other [member] Member ifrs-full:OtherIntangibleAssetsMember
996 Disclosure of detailed information about intangible assets [Line Items] LineItems ifrs-full:DisclosureOfIntangibleAssetsLineItems
997 Intangible assets Concept (Monetary) As Of Debit ifrs-full:IntangibleAssetsAndGoodwill
998 Other assets Concept (Monetary) As Of Debit ifrs-full:OtherNoncurrentAssets
999 Total intangible and other non-current assets Concept (Monetary) As Of Debit ptr:IntangibleAssetsAndOtherNoncurrentAssets
1000 1117 - Disclosure - Intangible and Other Non-current Assets - Summary of Intangible and Other Non-current Assets (Parenthetical) (Detail) Network

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1001 Disclosure of detailed information about intangible assets [table] Table

*

*

 ifrs-full:DisclosureOfIntangibleAssetsTable
1002 Business combinations [axis] Axis ifrs-full:BusinessCombinationsAxis
1003 Entity's total for business combinations [member] Member ifrs-full:EntitysTotalForBusinessCombinationsMember
1004 PetroChina United Pipelines Co., Ltd [member] Member ptr:PetrochinaUnitedPipelinesCoLtdMember
1005 Range [axis] Axis ifrs-full:RangeAxis
1006 Ranges [member] Member ifrs-full:RangesMember
1007 Bottom of range [member] Member ifrs-full:BottomOfRangeMember
1008 Top of range [member] Member ifrs-full:TopOfRangeMember
1009 Disclosure of detailed information about intangible assets [Line Items] LineItems ifrs-full:DisclosureOfIntangibleAssetsLineItems
1010 Impairment charge Concept (Monetary) For Period ifrs-full:ImpairmentLossRecognisedInProfitOrLossGoodwill
1011 Post-tax discount rates Concept (Percent) For Period ptr:PosttaxDiscountRates
1012 1118 - Disclosure - Inventories - Summary of Inventories (Detail) Network

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*

 http://www.petrochina.com.cn/taxonomy/role/DisclosureInventoriesSummaryOfInventories
1013 Disclosure of inventories [Table] Table

*

*

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1014 Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] Axis ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis
1015 Carrying amount [member] Member ifrs-full:CarryingAmountMember
1016 Cost [member] Member ifrs-full:GrossCarryingAmountMember
1017 Disclosure of inventories [Line Items] LineItems ptr:DisclosureOfInventoriesLineItems
1018 Crude oil and other raw materials Concept (Monetary) As Of Debit ifrs-full:RawMaterials
1019 Work in progress Concept (Monetary) As Of Debit ifrs-full:WorkInProgress
1020 Finished goods Concept (Monetary) As Of Debit ifrs-full:FinishedGoods
1021 Spare parts and consumables Concept (Monetary) As Of Debit ifrs-full:SpareParts
1022 Inventories Concept (Monetary) As Of Debit ifrs-full:Inventories
1023 Write down in inventories Concept (Monetary) For Period ifrs-full:InventoryWritedown2011
1024 1119 - Disclosure - Accounts Receivable - Summary of Accounts Receivable (Detail) Network

*

*

 http://www.petrochina.com.cn/taxonomy/role/DisclosureAccountsReceivableSummaryOfAccountsReceivable
1025 Disclosure of financial assets [table] Table

*

*

 ifrs-full:DisclosureOfFinancialAssetsTable
1026 Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] Axis ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis
1027 Carrying amount [member] Member ifrs-full:CarryingAmountMember
1028 Cost [member] Member ifrs-full:GrossCarryingAmountMember
1029 Accumulated impairment [member] Member ifrs-full:AccumulatedImpairmentMember
1030 Disclosure of financial assets [Line Items] LineItems ifrs-full:DisclosureOfFinancialAssetsLineItems
1031 Accounts receivable Concept (Monetary) As Of Debit ifrs-full:CurrentTradeReceivables
1032 1120 - Disclosure - Accounts Receivable - Aging Analysis of Accounts Receivable (Net of Impairment of Accounts Receivable) (Detail) Network

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*

 http://www.petrochina.com.cn/taxonomy/role/DisclosureAccountsReceivableAgingAnalysisOfAccountsReceivableNetOfImpairmentOfAccountsReceivable
1033 Disclosure of financial assets [table] Table

*

*

 ifrs-full:DisclosureOfFinancialAssetsTable
1034 Maturity [axis] Axis ifrs-full:MaturityAxis
1035 Aggregated time bands [member] Member ifrs-full:AggregatedTimeBandsMember
1036 Within 1 year [member] Member ifrs-full:NotLaterThanOneYearMember
1037 Between 1 and 2 years [member] Member ifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMember
1038 Between 2 and 3 years [member] Member ifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMember
1039 Over 3 years [member] Member ifrs-full:LaterThanThreeYearsMember
1040 Disclosure of financial assets [Line Items] LineItems ifrs-full:DisclosureOfFinancialAssetsLineItems
1041 Accounts receivable Concept (Monetary) As Of Debit ifrs-full:CurrentTradeReceivables
1042 1121 - Disclosure - Accounts Receivable - Additional Information (Detail) Network

*

*

 http://www.petrochina.com.cn/taxonomy/role/DisclosureAccountsReceivableAdditionalInformation
1043 Implied Table Table

*

*

 implied:Table
1044 Disclosure of financial assets [abstract] Abstract ifrs-full:DisclosureOfFinancialAssetsAbstract
1045 Customers credit term Concept (xbrli:durationItemType) For Period ptr:CustomersCreditTerm
1046 1122 - Disclosure - Accounts Receivable - Movements in Provision for Impairment of Accounts Receivable (Detail) Network

*

*

 http://www.petrochina.com.cn/taxonomy/role/DisclosureAccountsReceivableMovementsInProvisionForImpairmentOfAccountsReceivable
1047 Implied Table Table

*

*

 implied:Table
1048 Disclosure of financial assets [abstract] Abstract ifrs-full:DisclosureOfFinancialAssetsAbstract
1049 At beginning of the year Concept (Monetary) As Of Credit ifrs-full:AllowanceAccountForCreditLossesOfFinancialAssets
1050 Provision for impairment of accounts receivable Concept (Monetary) For Period ifrs-full:AdditionalAllowanceRecognisedInProfitOrLossAllowanceAccountForCreditLossesOfFinancialAssets
1051 Reversal of provision for impairment of accounts receivable Concept (Monetary) For Period ifrs-full:ReversalAllowanceAccountForCreditLossesOfFinancialAssets
1052 Receivables written off as uncollectible Concept (Monetary) For Period Debit ifrs-full:UtilisationAllowanceAccountForCreditLossesOfFinancialAssets
1053 At end of the year Concept (Monetary) As Of Credit ifrs-full:AllowanceAccountForCreditLossesOfFinancialAssets
1054 1123 - Disclosure - Prepayments and Other Current Assets - Summary of Prepayments and Other Current Assets (Detail) Network

*

*

 http://www.petrochina.com.cn/taxonomy/role/DisclosurePrepaymentsAndOtherCurrentAssetsSummaryOfPrepaymentsAndOtherCurrentAssets
1055 Disclosure of detailed information about prepayments and other current assets [Table] Table

*

*

 ptr:DisclosureOfDetailedInformationAboutPrepaymentsAndOtherCurrentAssetsTable
1056 Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] Axis ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis
1057 Carrying amount [member] Member ifrs-full:CarryingAmountMember
1058 Cost [member] Member ifrs-full:GrossCarryingAmountMember
1059 Accumulated impairment [member] Member ifrs-full:AccumulatedImpairmentMember
1060 Disclosure of detailed information about prepayments and other current assets [Line Items] LineItems ptr:DisclosureOfDetailedInformationAboutPrepaymentsAndOtherCurrentAssetsLineItems
1061 Other receivables Concept (Monetary) As Of Debit ifrs-full:OtherCurrentReceivables
1062 Advances to suppliers Concept (Monetary) As Of Debit ifrs-full:CurrentAdvancesToSuppliers
1063 Other receivables and advances to suppliers Concept (Monetary) As Of Debit ptr:OtherCurrentReceivablesAndCurrentAdvancesToSuppliers
1064 Value-added tax to be deducted Concept (Monetary) As Of Debit ifrs-full:CurrentValueAddedTaxReceivables
1065 Prepaid expenses Concept (Monetary) As Of Debit ifrs-full:CurrentPrepaidExpenses
1066 Prepaid income taxes Concept (Monetary) As Of Debit ifrs-full:CurrentTaxAssetsCurrent
1067 Other current assets Concept (Monetary) As Of Debit ifrs-full:OtherCurrentAssets
1068 Prepayments and other current assets Concept (Monetary) As Of Debit ifrs-full:CurrentPrepaymentsAndOtherCurrentAssets
1069 1124 - Disclosure - Cash and Cash Equivalents - Additional Information (Detail) Network

*

*

 http://www.petrochina.com.cn/taxonomy/role/DisclosureCashAndCashEquivalentsAdditionalInformation
1070 Implied Table Table

*

*

 implied:Table
1071 Cash and cash equivalents [abstract] Abstract ifrs-full:CashAndCashEquivalentsAbstract
1072 Weighted average effective interest rate on bank deposits Concept (Percent) For Period ptr:WeightedAverageEffectiveInterestRateOnBankDeposits
1073 1125 - Disclosure - Accounts Payable and Accrued Liabilities - Summary of Accounts Payable and Accrued Liabilities (Detail) Network

*

*

 http://www.petrochina.com.cn/taxonomy/role/DisclosureAccountsPayableAndAccruedLiabilitiesSummaryOfAccountsPayableAndAccruedLiabilities
1074 Implied Table Table

*

*

 implied:Table
1075 Trade and other current payables [abstract] Abstract ifrs-full:TradeAndOtherCurrentPayablesAbstract
1076 Trade payables Concept (Monetary) As Of Credit ifrs-full:TradeAndOtherCurrentPayablesToTradeSuppliers
1077 Advances from customers Concept (Monetary) As Of Credit ifrs-full:CurrentAdvances
1078 Salaries and welfare payable Concept (Monetary) As Of Credit ifrs-full:ShorttermEmployeeBenefitsAccruals
1079 Accrued expenses Concept (Monetary) As Of Credit ifrs-full:AccrualsClassifiedAsCurrent
1080 Dividends payable by subsidiaries to non-controlling shareholders Concept (Monetary) As Of Credit ifrs-full:CurrentDividendPayables
1081 Interest payable Concept (Monetary) As Of Credit ifrs-full:CurrentInterestPayable
1082 Construction fee and equipment cost payables Concept (Monetary) As Of Credit ptr:CurrentConstructionFeeAndEquipmentCostPayables
1083 Other Concept (Monetary) As Of Credit ifrs-full:OtherCurrentPayables
1084 Accounts payable and accrued liabilities Concept (Monetary) As Of Credit ifrs-full:TradeAndOtherCurrentPayables
1085 1126 - Disclosure - Accounts Payable and Accrued Liabilities - Aging Analysis of Trade Payables (Detail) Network

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*

 http://www.petrochina.com.cn/taxonomy/role/DisclosureAccountsPayableAndAccruedLiabilitiesAgingAnalysisOfTradePayables
1086 Disclosure of financial liabilities [table] Table

*

*

 ifrs-full:DisclosureOfFinancialLiabilitiesTable
1087 Maturity [axis] Axis ifrs-full:MaturityAxis
1088 Aggregated time bands [member] Member ifrs-full:AggregatedTimeBandsMember
1089 Within 1 year [member] Member ifrs-full:NotLaterThanOneYearMember
1090 Between 1 and 2 years [member] Member ifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMember
1091 Between 2 and 3 years [member] Member ifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMember
1092 Over 3 years [member] Member ifrs-full:LaterThanThreeYearsMember
1093 Disclosure of financial liabilities [Line Items] LineItems ifrs-full:DisclosureOfFinancialLiabilitiesLineItems
1094 Trade payables Concept (Monetary) As Of Credit ifrs-full:TradeAndOtherCurrentPayablesToTradeSuppliers
1095 1127 - Disclosure - Borrowings - Summary of Borrowings (Detail) Network

*

*

 http://www.petrochina.com.cn/taxonomy/role/DisclosureBorrowingsSummaryOfBorrowings
1096 Implied Table Table

*

*

 implied:Table
1097 Disclosure of detailed information about borrowings [abstract] Abstract ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsAbstract
1098 Short-term borrowings excluding current portion of long-term borrowings Concept (Monetary) As Of Credit ifrs-full:ShorttermBorrowings
1099 Current portion of long-term borrowings Concept (Monetary) As Of Credit ifrs-full:CurrentPortionOfLongtermBorrowings
1100 Short-term borrowings Concept (Monetary) As Of Credit ifrs-full:CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings
1101 Long-term borrowings Concept (Monetary) As Of Credit ifrs-full:LongtermBorrowings
1102 Total borrowings Concept (Monetary) As Of Credit ifrs-full:Borrowings
1103 1128 - Disclosure - Borrowings - Additional Information (Detail) Network

*

*

 http://www.petrochina.com.cn/taxonomy/role/DisclosureBorrowingsAdditionalInformation
1104 Disclosure of detailed information about borrowings [table] Table

*

*

 ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable
1105 Borrowings by name [axis] Axis ifrs-full:BorrowingsByNameAxis
1106 Borrowings by name [member] Member ifrs-full:BorrowingsByNameMember
1107 Guaranteed by CNPC, its fellow subsidiaries and a third party [member] Member ifrs-full:GuaranteesMember
1108 Measurement [axis] Axis ifrs-full:MeasurementAxis
1109 Aggregated measurement [member] Member ifrs-full:AggregatedMeasurementMember
1110 At fair value [member] Member ifrs-full:AtFairValueMember
1111 Range [axis] Axis ifrs-full:RangeAxis
1112 Ranges [member] Member ifrs-full:RangesMember
1113 Bottom of range [member] Member ifrs-full:BottomOfRangeMember
1114 Top of range [member] Member ifrs-full:TopOfRangeMember
1115 Disclosure of detailed information about borrowings [Line Items] LineItems ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems
1116 Borrowings Concept (Monetary) As Of Credit ifrs-full:Borrowings
1117 Borrowings, secured liabilities Concept (Monetary) As Of Credit ifrs-full:SecuredBankLoansReceived
1118 Discount rates Concept (Percent) As Of ifrs-full:DescriptionOfDiscountRatesAppliedToCashFlowProjections
1119 1129 - Disclosure - Borrowings - Borrowings by Interest Rate (Detail) Network

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*

 http://www.petrochina.com.cn/taxonomy/role/DisclosureBorrowingsBorrowingsByInterestRate
1120 Disclosure of detailed information about borrowings [table] Table

*

*

 ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable
1121 Types of interest rates [axis] Axis ifrs-full:TypesOfInterestRatesAxis
1122 Interest rate types [member] Member ifrs-full:InterestRateTypesMember
1123 Interest free [member] Member ptr:InterestFreeBorrowingsMember
1124 At fixed rates [member] Member ifrs-full:FixedInterestRateMember
1125 At floating rates [member] Member ifrs-full:FloatingInterestRateMember
1126 Borrowings by name [axis] Axis ifrs-full:BorrowingsByNameAxis
1127 Borrowings by name [member] Member ifrs-full:BorrowingsByNameMember
1128 Bank loans [member] Member ptr:BankLoansMember
1129 Corporate debentures [member] Member ptr:CorporateDebenturesMember
1130 Medium-term notes [member] Member ptr:MediumTermNotes1Member
1131 Other loans [member] Member ptr:OtherLoansMember
1132 Range [axis] Axis ifrs-full:RangeAxis
1133 Ranges [member] Member ifrs-full:RangesMember
1134 Weighted average [member] Member ifrs-full:WeightedAverageMember
1135 Disclosure of detailed information about borrowings [Line Items] LineItems ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems
1136 Total borrowings Concept (Monetary) As Of Credit ifrs-full:Borrowings
1137 Weighted average effective interest rates Concept (Percent) As Of ifrs-full:BorrowingsInterestRate
1138 1130 - Disclosure - Borrowings - Borrowings by Major Currency (Detail) Network

*

*

 http://www.petrochina.com.cn/taxonomy/role/DisclosureBorrowingsBorrowingsByMajorCurrency
1139 Disclosure of detailed information about borrowings [table] Table

*

*

 ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable
1140 Currency [Axis] Axis srt:CurrencyAxis
1141 All Currencies [Domain] Member currency:AllCurrenciesDomain
1142 RMB [member] Member currency:CNY
1143 US Dollar [member] Member currency:USD
1144 Other currency [member] Member ptr:OtherCurrencyMember
1145 Disclosure of detailed information about borrowings [Line Items] LineItems ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems
1146 Total borrowings Concept (Monetary) As Of Credit ifrs-full:Borrowings
1147 1131 - Disclosure - Borrowings - Borrowings' Remaining Contractual Maturities (Detail) Network

*

*

 http://www.petrochina.com.cn/taxonomy/role/DisclosureBorrowingsBorrowingsRemainingContractualMaturities
1148 Disclosure of detailed information about borrowings [table] Table

*

*

 ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable
1149 Maturity [axis] Axis ifrs-full:MaturityAxis
1150 Aggregated time bands [member] Member ifrs-full:AggregatedTimeBandsMember
1151 Within 1 year [member] Member ifrs-full:NotLaterThanOneYearMember
1152 Between 1 and 2 years [member] Member ifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMember
1153 Between 2 and 5 years [member] Member ifrs-full:LaterThanTwoYearsAndNotLaterThanFiveYearsMember
1154 After 5 years [member] Member ifrs-full:LaterThanFiveYearsMember
1155 Disclosure of detailed information about borrowings [Line Items] LineItems ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems
1156 Remaining contractual maturities of borrowings Concept (Monetary) As Of Credit ifrs-full:BankBorrowingsUndiscountedCashFlows
1157 1132 - Disclosure - Borrowings - Summary of Reconciliation of Movements of Borrowings to Cash Flows Arising from Financing Activities (Detail) Network

*

*

 http://www.petrochina.com.cn/taxonomy/role/DisclosureBorrowingsSummaryOfReconciliationOfMovementsOfBorrowingsToCashFlowsArisingFromFinancingActivities
1158 Implied Table Table

*

*

 implied:Table
1159 Disclosure of reconciliation of liabilities arising from financing activities [abstract] Abstract ifrs-full:DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesAbstract
1160 Beginning balance Concept (Monetary) As Of Credit ifrs-full:LiabilitiesArisingFromFinancingActivities
1161 Increase in borrowings Concept (Monetary) For Period Credit ptr:IncreaseDecreaseThroughBorrowingsLiabilitiesArisingFromFinancingActivities
1162 Repayments of borrowings Concept (Monetary) For Period Debit ptr:RepaymentsOfBorrowingsLiabilitiesArisingFromFinancingActivities
1163 Other borrowing costs paid Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughOtherChangesLiabilitiesArisingFromFinancingActivities
1164 Total changes from financing cash flows Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseInLiabilitiesArisingFromFinancingActivities
1165 Exchange adjustments Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughEffectOfChangesInForeignExchangeRatesLiabilitiesArisingFromFinancingActivities
1166 Ending balance Concept (Monetary) As Of Credit ifrs-full:LiabilitiesArisingFromFinancingActivities
1167 1133 - Disclosure - Share Capital - Summary of Share Capital (Detail) Network

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*

 http://www.petrochina.com.cn/taxonomy/role/DisclosureShareCapitalSummaryOfShareCapital
1168 Disclosure of classes of share capital [table] Table

*

*

 ifrs-full:DisclosureOfClassesOfShareCapitalTable
1169 Classes of ordinary shares [axis] Axis ifrs-full:ClassesOfOrdinarySharesAxis
1170 Ordinary shares [member] Member ifrs-full:OrdinarySharesMember
1171 A shares [member] Member ptr:ASharesMember
1172 H shares [member] Member ptr:HSharesMember
1173 Disclosure of classes of share capital [Line Items] LineItems ifrs-full:DisclosureOfClassesOfShareCapitalLineItems
1174 Share capital Concept (Monetary) As Of Credit ifrs-full:IssuedCapital
1175 1134 - Disclosure - Share Capital - Additional Information (Detail) Network

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*

 http://www.petrochina.com.cn/taxonomy/role/DisclosureShareCapitalAdditionalInformation
1176 Disclosure of classes of share capital [table] Table

*

*

 ifrs-full:DisclosureOfClassesOfShareCapitalTable
1177 Classes of ordinary shares [axis] Axis ifrs-full:ClassesOfOrdinarySharesAxis
1178 Ordinary shares [member] Member ifrs-full:OrdinarySharesMember
1179 A shares [member] Member ptr:ASharesMember
1180 H shares [member] Member ptr:HSharesMember
1181 American depositary shares [member] Member ptr:AmericanDepositarySharesMember
1182 Disclosure of classes of share capital [Line Items] LineItems ifrs-full:DisclosureOfClassesOfShareCapitalLineItems
1183 Number of state-owned shares issued Concept (Shares) As Of ifrs-full:NumberOfSharesIssued
1184 Number of state-owned shares issued, par value per share Concept (Share) As Of ifrs-full:ParValuePerShare
1185 Number of shares issued Concept (Shares) For Period ifrs-full:IncreaseDecreaseInNumberOfOrdinarySharesIssued
1186 Number of ordinary shares represented by 1 ADS Concept (Shares) For Period ptr:NumberOfSharesCorrespondingToAmericanDepositaryShares
1187 Number of shares issued, price Concept (Share) For Period ptr:SharesIssuedPricePerShare1
1188 Number of shares issued, net proceeds Concept (Monetary) For Period Debit ifrs-full:ProceedsFromIssuingShares
1189 Number of state-owned shares converted for sale in the Global Offering Concept (Shares) For Period ptr:NumberOfSharesConverted
1190 Number of shares sold Concept (Shares) For Period ptr:NumberOfStateOwnedSharesSold
1191 1135 - Disclosure - Reserves - Summary of Reserves (Detail) Network

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 http://www.petrochina.com.cn/taxonomy/role/DisclosureReservesSummaryOfReserves
1192 Disclosure of reserves within equity [table] Table

*

*

 ifrs-full:DisclosureOfReservesWithinEquityTable
1193 Components of equity [axis] Axis ifrs-full:ComponentsOfEquityAxis
1194 Equity [member] Member ifrs-full:EquityMember
1195 Capital reserve [member] Member ifrs-full:CapitalReserveMember
1196 Statutory common reserve fund [member] Member ifrs-full:StatutoryReserveMember
1197 Special reserve-safety fund reserve [member] Member ifrs-full:ReserveOfDiscretionaryParticipationFeaturesMember
1198 Currency translation differences [member] Member ifrs-full:ReserveOfExchangeDifferencesOnTranslationMember
1199 Other reserves [member] Member ptr:OtherMiscellaneousReservesMember
1200 Reserves [member] Member ifrs-full:OtherReservesMember
1201 Disclosure of reserves within equity [Line Items] LineItems ifrs-full:DisclosureOfReservesWithinEquityLineItems
1202 Beginning balance Concept (Monetary) As Of Credit ifrs-full:Equity
1203 Ending balance Concept (Monetary) As Of Credit ifrs-full:Equity
1204 Transfer from retained earnings Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughTransferToStatutoryReserve
1205 Safety fund reserve Concept (Monetary) For Period Credit ptr:IncreaseDecreaseThroughSpecialReserveSafetyFundReserve
1206 Currency translation differences Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation
1207 Equity transaction with non-controlling interests Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughChangeInEquityOfSubsidiaries
1208 Acquisition of subsidiaries Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughAcquisitionOfSubsidiary
1209 Fair value loss from financial assets measured at fair value through other comprehensive income Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeNetOfTax
1210 Fair value loss on available-for-sale financial assets Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnRemeasuringAvailableforsaleFinancialAssetsNetOfTax
1211 Share of the other comprehensive income of associates and joint ventures accounted for using the equity method Concept (Monetary) For Period Credit ifrs-full:ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillBeReclassifiedToProfitOrLossNetOfTax
1212 Other Concept (Monetary) For Period Credit ptr:IncreaseDecreaseInOtherReserves
1213 1136 - Disclosure - Reserves - Summary of Reserves (Parenthetical) (Detail) Network

*

*

 http://www.petrochina.com.cn/taxonomy/role/DisclosureReservesSummaryOfReservesParenthetical
1214 Implied Table Table

*

*

 implied:Table
1215 Disclosure of reserves within equity [abstract] Abstract ifrs-full:DisclosureOfReservesWithinEquityAbstract
1216 Percentage of net profit the Company is required to transfer to a Statutory Common Reserve Fund Concept (Percent) For Period ptr:PercentageOfNetProfitToBeTransferredToReserveFund
1217 Percentage of registered capital when the appropriation to the Reserve Fund may cease Concept (Percent) For Period ptr:PercentageOfRegisteredCapitalWhenTheAppropriationToTheReserveFundMayCease
1218 Minimum percentage of Reserve Fund to registered capital, after bonus share issuance, that must be maintained Concept (Percent) For Period ptr:MinimumPercentageOfReserveFundToRegisteredCapitalAfterBonusShareIssuanceThatMustBeMaintained
1219 Distributable reserve amount Concept (Monetary) As Of Credit ptr:ReservesAvailableForDistribution
1220 1137 - Disclosure - Deferred Taxation - Movements in Deferred Taxation (Detail) Network

*

*

 http://www.petrochina.com.cn/taxonomy/role/DisclosureDeferredTaxationMovementsInDeferredTaxation
1221 Implied Table Table

*

*

 implied:Table
1222 Deferred tax assets and liabilities [abstract] Abstract ifrs-full:DeferredTaxAssetsAndLiabilitiesAbstract
1223 At beginning of the year Concept (Monetary) As Of Credit ifrs-full:DeferredTaxLiabilityAsset
1224 Transfer to profit and loss (Note 12) Concept (Monetary) For Period Debit ifrs-full:DeferredTaxExpenseIncome
1225 Credit/ (debit) to other comprehensive income Concept (Monetary) For Period ifrs-full:IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome
1226 At end of the year Concept (Monetary) As Of Credit ifrs-full:DeferredTaxLiabilityAsset
1227 1138 - Disclosure - Deferred Taxation - Deferred Tax Balances Before Offset (Detail) Network

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*

 http://www.petrochina.com.cn/taxonomy/role/DisclosureDeferredTaxationDeferredTaxBalancesBeforeOffset
1228 Disclosure of temporary difference, unused tax losses and unused tax credits [table] Table

*

*

 ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable
1229 Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] Axis ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis
1230 Carrying amount [member] Member ifrs-full:CarryingAmountMember
1231 Cost [member] Member ifrs-full:GrossCarryingAmountMember
1232 Temporary difference, unused tax losses and unused tax credits [axis] Axis ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis
1233 Temporary difference, unused tax losses and unused tax credits [member] Member ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember
1234 Receivables and inventories [member] Member ptr:ReceivablesAndInventoriesMember
1235 Unused tax losses [member] Member ifrs-full:UnusedTaxLossesMember
1236 Accumulated impairment [member] Member ifrs-full:AccumulatedImpairmentMember
1237 Other [member] Member ptr:OtherDeferredTaxMember
1238 Accelerated tax depreciation [member] Member ptr:AcceleratedTaxDepreciationMember
1239 Disclosure of temporary difference, unused tax losses and unused tax credits [Line Items] LineItems ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems
1240 Deferred tax assets Concept (Monetary) As Of Debit ifrs-full:DeferredTaxAssets
1241 Net deferred tax assets Concept (Monetary) As Of Credit ifrs-full:DeferredTaxLiabilityAsset
1242 Deferred tax liabilities Concept (Monetary) As Of Credit ifrs-full:DeferredTaxLiabilities
1243 1139 - Disclosure - Deferred Taxation - Deferred Tax Balances After Offset (Detail) Network

*

*

 http://www.petrochina.com.cn/taxonomy/role/DisclosureDeferredTaxationDeferredTaxBalancesAfterOffset
1244 Implied Table Table

*

*

 implied:Table
1245 Deferred tax assets and liabilities [abstract] Abstract ifrs-full:DeferredTaxAssetsAndLiabilitiesAbstract
1246 Deferred tax assets Concept (Monetary) As Of Debit ifrs-full:DeferredTaxAssets
1247 Deferred tax liabilities Concept (Monetary) As Of Credit ifrs-full:DeferredTaxLiabilities
1248 1140 - Disclosure - Asset Retirement Obligations - Summary of Asset Retirement Obligations (Detail) Network

*

*

 http://www.petrochina.com.cn/taxonomy/role/DisclosureAssetRetirementObligationsSummaryOfAssetRetirementObligations
1249 Implied Table Table

*

*

 implied:Table
1250 Disposals and retirements, property, plant and equipment [abstract] Abstract ifrs-full:DisposalsAndRetirementsPropertyPlantAndEquipmentAbstract
1251 At beginning of the year Concept (Monetary) As Of Credit ifrs-full:LongtermProvisionForDecommissioningRestorationAndRehabilitationCosts
1252 Net liabilities incurred, including reassessment Concept (Monetary) For Period Credit ptr:LongtermProvisionForDecommissioningRestorationAndRehabilitationCostsLiabilitiesIncurred
1253 Liabilities settled Concept (Monetary) For Period Debit ptr:LongtermProvisionForDecommissioningRestorationAndRehabilitationCostsLiabilitiesSettled
1254 Accretion expense (Note 10) Concept (Monetary) For Period Debit ptr:AccretionExpense2
1255 Currency translation differences Concept (Monetary) For Period Credit ptr:IncreaseDecreaseThroughNetExchangeDifferencesLongtermProvisionForDecommissioningRestorationAndRehabilitationCosts
1256 At end of the year Concept (Monetary) As Of Credit ifrs-full:LongtermProvisionForDecommissioningRestorationAndRehabilitationCosts
1257 1141 - Disclosure - Pensions - Additional Information (Detail) Network

*

*

 http://www.petrochina.com.cn/taxonomy/role/DisclosurePensionsAdditionalInformation
1258 Implied Table Table

*

*

 implied:Table
1259 Statement of changes in net assets available for benefits [abstract] Abstract ifrs-full:StatementOfChangesInNetAssetsAvailableForBenefitsAbstract
1260 Expenses incurred in connection with employee retirement benefit plans Concept (Monetary) For Period Debit ifrs-full:PostemploymentBenefitExpenseDefinedBenefitPlans
1261 1142 - Disclosure - Contingent Liabilities - Additional Information (Detail) Network

*

*

 http://www.petrochina.com.cn/taxonomy/role/DisclosureContingentLiabilitiesAdditionalInformation
1262 Disclosure of contingent liabilities [table] Table

*

*

 ifrs-full:DisclosureOfContingentLiabilitiesTable
1263 Classes of contingent liabilities [axis] Axis ifrs-full:ClassesOfContingentLiabilitiesAxis
1264 Contingent liabilities [member] Member ifrs-full:ContingentLiabilitiesMember
1265 Environment liabilities [member] Member ifrs-full:OtherEnvironmentRelatedContingentLiabilityMember
1266 Disclosure of contingent liabilities [Line Items] LineItems ifrs-full:DisclosureOfContingentLiabilitiesLineItems
1267 Contingent liabilities Concept (Monetary) As Of ifrs-full:EstimatedFinancialEffectOfContingentLiabilities
1268 1143 - Disclosure - Commitments - Additional Information (Detail) Network

*

*

 http://www.petrochina.com.cn/taxonomy/role/DisclosureCommitmentsAdditionalInformation
1269 Disclosure Of Commitments [table] Table

*

*

 ptr:DisclosureOfCommitmentsTable
1270 Range [axis] Axis ifrs-full:RangeAxis
1271 Ranges [member] Member ifrs-full:RangesMember
1272 Bottom of range [member] Member ifrs-full:BottomOfRangeMember
1273 Top of range [member] Member ifrs-full:TopOfRangeMember
1274 Classes of property, plant and equipment [axis] Axis ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
1275 Property, plant and equipment [member] Member ifrs-full:PropertyPlantAndEquipmentMember
1276 Exploration and production licenses [member] Member ptr:ExplorationAndProductionLicensesMember
1277 Disclosure of commitments [line items] LineItems ptr:DisclosureOfCommitmentsLineItems
1278 Lease term Concept (xbrli:durationItemType) For Period ptr:OperatingLeaseTerm
1279 Capital commitments relating to property, plant and equipment Concept (Monetary) As Of Credit ifrs-full:ContractualCommitmentsForAcquisitionOfPropertyPlantAndEquipment
1280 Payments incurred to exploration and production licenses Concept (Monetary) For Period Credit ifrs-full:PaymentsForExplorationAndEvaluationExpenses
1281 1144 - Disclosure - Commitments - Future Minimum Lease Payments Under Non-cancellable Operating Leases (Detail) Network

*

*

 http://www.petrochina.com.cn/taxonomy/role/DisclosureCommitmentsFutureMinimumLeasePaymentsUnderNoncancellableOperatingLeases
1282 Disclosure of finance lease and operating lease by lessee [table] Table

*

*

 ifrs-full:DisclosureOfFinanceLeaseAndOperatingLeaseByLesseeTable
1283 Maturity [axis] Axis ifrs-full:MaturityAxis
1284 Aggregated time bands [member] Member ifrs-full:AggregatedTimeBandsMember
1285 Within 1 year [member] Member ifrs-full:NotLaterThanOneYearMember
1286 Later than 1 year and no later than 5 years [member] Member ifrs-full:LaterThanOneYearAndNotLaterThanFiveYearsMember
1287 After 5 years [member] Member ifrs-full:LaterThanFiveYearsMember
1288 Disclosure of finance lease and operating lease by lessee [Line Items] LineItems ifrs-full:DisclosureOfFinanceLeaseAndOperatingLeaseByLesseeLineItems
1289 Minimum lease payments payable under non-cancellable operating lease Concept (Monetary) As Of Credit ifrs-full:MinimumLeasePaymentsPayableUnderNoncancellableOperatingLease
1290 1145 - Disclosure - Commitments - Exploration and Production Licenses Estimated Annual Payments (Detail) Network

*

*

 http://www.petrochina.com.cn/taxonomy/role/DisclosureCommitmentsExplorationAndProductionLicensesEstimatedAnnualPayments
1291 Disclosure of finance lease and operating lease by lessee [table] Table

*

*

 ifrs-full:DisclosureOfFinanceLeaseAndOperatingLeaseByLesseeTable
1292 Maturity [axis] Axis ifrs-full:MaturityAxis
1293 Aggregated time bands [member] Member ifrs-full:AggregatedTimeBandsMember
1294 Within 1 year [member] Member ifrs-full:NotLaterThanOneYearMember
1295 Between 1 and 2 years [member] Member ifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMember
1296 Between 2 and 3 years [member] Member ifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMember
1297 Between 3 and 4 years [member] Member ifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMember
1298 Between 4 and 5 years [member] Member ifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMember
1299 Disclosure of finance lease and operating lease by lessee [Line Items] LineItems ifrs-full:DisclosureOfFinanceLeaseAndOperatingLeaseByLesseeLineItems
1300 Estimated annual payments Concept (Monetary) As Of Credit ifrs-full:LiabilitiesArisingFromExplorationForAndEvaluationOfMineralResources
1301 1146 - Disclosure - Major Customers - Group's Major Customers (Detail) Network

*

*

 http://www.petrochina.com.cn/taxonomy/role/DisclosureMajorCustomersGroupsMajorCustomers
1302 Disclosure of major customers [table] Table

*

*

 ifrs-full:DisclosureOfMajorCustomersTable
1303 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
1304 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
1305 China Petroleum & Chemical Corporation [member] Member ptr:ChinaPetroleumAndChemicalCorporationMember
1306 China National Petroleum Corporation [member] Member ptr:ChinaNationalPetroleumCorporationMember
1307 Customers [member] Member ifrs-full:MajorCustomersMember
1308 Disclosure of major customers [Line Items] LineItems ifrs-full:DisclosureOfMajorCustomersLineItems
1309 REVENUE Concept (Monetary) For Period Credit ifrs-full:Revenue
1310 Percentage of Total revenue Concept (Percent) For Period ifrs-full:PercentageOfEntitysRevenue
1311 1147 - Disclosure - Related Party Transactions - Additional Information (Detail) Network

*

*

 http://www.petrochina.com.cn/taxonomy/role/DisclosureRelatedPartyTransactionsAdditionalInformation
1312 Disclosure of transactions between related parties [table] Table

*

*

 ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesTable
1313 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
1314 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
1315 China National Petroleum Corporation and its fellow subsidiaries, associates and joint ventures [member] Member ptr:ChinaNationalPetroleumCorporationAndItsFellowSubsidiariesAssociatesAndJointVenturesMember
1316 Property, plant and equipment by operating lease status [axis] Axis ifrs-full:PropertyPlantAndEquipmentByOperatingLeaseStatusAxis
1317 Property, plant and equipment by operating lease status [member] Member ifrs-full:PropertyPlantAndEquipmentByOperatingLeaseStatusMember
1318 Property, plant and equipment subject to operating leases [member] Member ifrs-full:PropertyPlantAndEquipmentSubjectToOperatingLeasesMember
1319 Classes of property, plant and equipment [axis] Axis ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
1320 Property, plant and equipment [member] Member ifrs-full:PropertyPlantAndEquipmentMember
1321 Land [member] Member ifrs-full:LandMember
1322 Buildings [member] Member ifrs-full:BuildingsMember
1323 Disclosure of transactions between related parties [Line Items] LineItems ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesLineItems
1324 Comprehensive products and services agreement effective Period Concept (xbrli:durationItemType) For Period ptr:PeriodOfComprehensiveProductsAndServicesAgreement
1325 New comprehensive products and services agreement effective Period Concept (xbrli:durationItemType) For Period ptr:PeriodOfNewComprehensiveProductsAndServicesAgreement
1326 Sales of goods Concept (Monetary) For Period Credit ifrs-full:RevenueFromSaleOfGoodsRelatedPartyTransactions
1327 Sales of services Concept (Monetary) For Period Credit ifrs-full:RevenueFromRenderingOfServicesRelatedPartyTransactions
1328 Purchases of goods and services Concept (Monetary) For Period Debit ptr:PurchasesOfGoodsAndServicesReceivedRelatedPartyTransactions
1329 Purchases of assets Concept (Monetary) For Period Debit ifrs-full:PurchasesOfPropertyAndOtherAssetsRelatedPartyTransactions
1330 Interest income Concept (Monetary) For Period Credit ifrs-full:InterestIncomeOnDeposits
1331 Deposits Concept (Monetary) As Of Debit ifrs-full:LongtermDeposits
1332 Purchases of financial service Concept (Monetary) For Period Debit ptr:PurchaseOfFinancialServicesRelatedPartyTransactions
1333 Borrowings Concept (Monetary) As Of Credit ifrs-full:Borrowings
1334 Rents and other payments made under financial leasing Concept (Monetary) For Period ifrs-full:LeasesAsLesseeRelatedPartyTransactions
1335 Supplemental Land Use Rights Leasing Contract, aggregate area of land Concept (num:areaItemType) For Period ptr:AreaOfLand1
1336 Annual fee Concept (Monetary) As Of Credit ifrs-full:LeaseLiabilities
1337 Revised Building Leasing Contract, aggregate area of building Concept (num:areaItemType) For Period ptr:AreaOfBuilding
1338 Lease term Concept (xbrli:durationItemType) For Period ptr:LeaseTerm
1339 Leasing contract expiration date Concept (Date) For Period ptr:LeasingContractExpirationDate
1340 Deferred performance emoluments paid by company Concept (Monetary) For Period Debit ptr:DeferredPerformanceEmoluments
1341 1148 - Disclosure - Related Party Transactions - Amounts Due From and To CNPC and its Fellow Subsidiaries, Associates and Joint Ventures of the Group (Detail) Network

*

*

 http://www.petrochina.com.cn/taxonomy/role/DisclosureRelatedPartyTransactionsAmountsDueFromAndToCNPCAndItsFellowSubsidiariesAssociatesAndJointVenturesOfTheGroup
1342 Disclosure of transactions between related parties [table] Table

*

*

 ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesTable
1343 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
1344 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
1345 China National Petroleum Corporation and its fellow subsidiaries, associates and joint ventures [member] Member ptr:ChinaNationalPetroleumCorporationAndItsFellowSubsidiariesAssociatesAndJointVenturesMember
1346 Disclosure of transactions between related parties [Line Items] LineItems ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesLineItems
1347 Accounts receivable Concept (Monetary) As Of Debit ifrs-full:CurrentTradeReceivables
1348 Prepayments and other receivables Concept (Monetary) As Of Debit ifrs-full:CurrentPrepaymentsAndOtherCurrentAssets
1349 Other current assets Concept (Monetary) As Of Debit ifrs-full:OtherCurrentAssets
1350 Other non-current assets Concept (Monetary) As Of Debit ifrs-full:OtherNoncurrentAssets
1351 Accounts payable and accrued liabilities Concept (Monetary) As Of Credit ifrs-full:TradeAndOtherCurrentPayables
1352 Contract liabilities Concept (Monetary) As Of Credit ifrs-full:NoncurrentContractLiabilities
1353 Other non-current liabilities Concept (Monetary) As Of Credit ifrs-full:OtherNoncurrentLiabilities
1354 1149 - Disclosure - Related Party Transactions - Key Management Compensation (Detail) Network

*

*

 http://www.petrochina.com.cn/taxonomy/role/DisclosureRelatedPartyTransactionsKeyManagementCompensation
1355 Implied Table Table

*

*

 implied:Table
1356 Disclosure of transactions between related parties [abstract] Abstract ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesAbstract
1357 Salaries, allowances and other benefits Concept (Monetary) For Period Debit ifrs-full:KeyManagementPersonnelCompensationShorttermEmployeeBenefits
1358 Contribution to retirement benefit scheme Concept (Monetary) For Period Debit ifrs-full:KeyManagementPersonnelCompensationPostemploymentBenefits
1359 Key management compensation Concept (Monetary) For Period Debit ifrs-full:KeyManagementPersonnelCompensation
1360 1150 - Disclosure - Segment Information - Segment Information for the Operating Segments (Detail) Network

*

*

 http://www.petrochina.com.cn/taxonomy/role/DisclosureSegmentInformationSegmentInformationForTheOperatingSegments
1361 Disclosure of operating segments [table] Table

*

*

 ifrs-full:DisclosureOfOperatingSegmentsTable
1362 Segment consolidation items [axis] Axis ifrs-full:SegmentConsolidationItemsAxis
1363 Entity's total for segment consolidation items [member] Member ifrs-full:EntitysTotalForSegmentConsolidationItemsMember
1364 Operating segments [member] Member ifrs-full:OperatingSegmentsMember
1365 Elimination of intersegment amounts [member] Member ifrs-full:EliminationOfIntersegmentAmountsMember
1366 Segments [axis] Axis ifrs-full:SegmentsAxis
1367 Segments [member] Member ifrs-full:SegmentsMember
1368 Exploration and production [member] Member ptr:ExplorationAndProductionMember
1369 Refining and chemicals [member] Member ptr:RefiningAndChemicalsMember
1370 Marketing [member] Member ptr:MarketingMember
1371 Natural gas and pipeline [member] Member ptr:NaturalGasAndPipelineMember
1372 Head office and other [member] Member ptr:HeadOfficeAndOtherMember
1373 Disclosure of operating segments [Line Items] LineItems ifrs-full:DisclosureOfOperatingSegmentsLineItems
1374 REVENUE Concept (Monetary) For Period Credit ifrs-full:Revenue
1375 Depreciation, depletion and amortization Concept (Monetary) For Period Debit ptr:DepreciationDepletionAndAmortisationExpense
1376 Including: Impairment losses of property, plant and equipment Concept (Monetary) For Period ifrs-full:ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment
1377 Profit / (loss) from operations Concept (Monetary) For Period Credit ifrs-full:ProfitLossFromOperatingActivities
1378 Finance costs: Abstract ifrs-full:MaterialIncomeAndExpenseAbstract
1379 Exchange gain Concept (Monetary) For Period Credit ptr:ForeignExchangeGain
1380 Exchange loss Concept (Monetary) For Period Debit ptr:ForeignExchangeLoss
1381 Interest income Concept (Monetary) For Period Credit ifrs-full:FinanceIncome
1382 Interest expense Concept (Monetary) For Period Debit ifrs-full:InterestExpense
1383 Total net finance costs Concept (Monetary) For Period Credit ifrs-full:FinanceIncomeCost
1384 Share of profit / (loss) of associates and joint ventures Concept (Monetary) For Period Credit ifrs-full:ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod
1385 Profit before income tax expense Concept (Monetary) For Period Credit ifrs-full:ProfitLossBeforeTax
1386 Income tax expense Concept (Monetary) For Period Debit ifrs-full:IncomeTaxExpenseContinuingOperations
1387 Profit for the year Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
1388 Other assets Concept (Monetary) As Of Debit ifrs-full:OtherAssets
1389 Investments in associates and joint ventures Concept (Monetary) As Of Debit ifrs-full:InvestmentsInSubsidiariesJointVenturesAndAssociates
1390 Assets Concept (Monetary) As Of Debit ifrs-full:Assets
1391 Capital expenditures Concept (Monetary) For Period Debit ptr:CapitalExpenditure
1392 Liabilities Concept (Monetary) As Of Credit ifrs-full:Liabilities
1393 Other liabilities Concept (Monetary) As Of Credit ifrs-full:OtherLiabilities
1394 1151 - Disclosure - Segment Information - Geographical Information (Detail) Network

*

*

 http://www.petrochina.com.cn/taxonomy/role/DisclosureSegmentInformationGeographicalInformation
1395 Disclosure of geographical areas [table] Table

*

*

 ifrs-full:DisclosureOfGeographicalAreasTable
1396 Geographical areas [axis] Axis ifrs-full:GeographicalAreasAxis
1397 Geographical areas [member] Member ifrs-full:GeographicalAreasMember
1398 Mainland China [member] Member ptr:MainlandChinaMember
1399 Other countries [member] Member ptr:OtherCountriesMember
1400 Disclosure of geographical areas [Line Items] LineItems ifrs-full:DisclosureOfGeographicalAreasLineItems
1401 REVENUE Concept (Monetary) For Period Credit ifrs-full:Revenue
1402 Non-current assets Concept (Monetary) As Of Debit ifrs-full:NoncurrentAssetsOtherThanFinancialInstrumentsDeferredTaxAssetsPostemploymentBenefitAssetsAndRightsArisingUnderInsuranceContracts
1403 1152 - Disclosure - Supplementary Information on Oil and Gas Exploration and Production Activities (Unaudited) - Proved Oil and Gas Reserve Estimates (Detail) Network

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*

 http://www.petrochina.com.cn/taxonomy/role/DisclosureSupplementaryInformationOnOilAndGasExplorationAndProductionActivitiesUnauditedProvedOilAndGasReserveEstimates
1404 Proved Developed and Undeveloped Oil and Gas Reserve Quantities [Table] Table

*

*

 srt:ProvedDevelopedAndUndevelopedOilAndGasReserveQuantitiesTable
1405 Petroleum reserves [axis] Axis srt:ReserveQuantitiesByTypeOfReserveAxis
1406 Type of Reserve [Domain] Member srt:TypeOfReserveDomain
1407 Natural gas [member] Member srt:NaturalGasReservesMember
1408 Crude oil and condensate [member] Member srt:OilReservesMember
1409 Consolidated entities [axis] Axis srt:ConsolidatedEntitiesAxis
1410 Consolidated Entities [Domain] Member srt:ConsolidatedEntitiesDomain
1411 Consolidated entities [member] Member ptr:ConsolidatedEntitiesMember
1412 Equity method investments [member] Member ptr:EquityMethodInvesteeMember
1413 Reserve Quantities [Line Items] LineItems srt:ReserveQuantitiesLineItems
1414 Proved developed and undeveloped reserves, Beginning balance Concept (num:volumeItemType) As Of srt:ProvedDevelopedAndUndevelopedReservesNet
1415 Revisions of previous estimates Concept (num:volumeItemType) For Period srt:ProvedDevelopedAndUndevelopedReservesRevisionsOfPreviousEstimatesIncreaseDecrease
1416 Improved recovery Concept (num:volumeItemType) For Period srt:ProvedDevelopedAndUndevelopedReservesImprovedRecovery
1417 Extensions and discoveries Concept (num:volumeItemType) For Period srt:ProvedDevelopedAndUndevelopedReservesExtensionsDiscoveriesAndAdditions
1418 Production Concept (num:volumeItemType) For Period srt:ProvedDevelopedAndUndevelopedReservesProduction
1419 Proved developed and undeveloped reserves, Ending balance Concept (num:volumeItemType) As Of srt:ProvedDevelopedAndUndevelopedReservesNet
1420 Proved developed and undeveloped reserves, Beginning balance Concept (num:energyItemType) As Of srt:ProvedDevelopedAndUndevelopedReserveNetEnergy
1421 Proved developed reserves Concept (num:volumeItemType) As Of srt:ProvedDevelopedReservesVolume
1422 Revisions of previous estimates Concept (num:energyItemType) For Period srt:ProvedDevelopedAndUndevelopedReserveRevisionOfPreviousEstimateEnergy
1423 Proved undeveloped reserves Concept (num:volumeItemType) As Of srt:ProvedUndevelopedReserveVolume
1424 Improved recovery Concept (num:energyItemType) For Period srt:ProvedDevelopedAndUndevelopedReserveImprovedRecoveryEnergy
1425 Extensions and discoveries Concept (num:energyItemType) For Period srt:ProvedDevelopedAndUndevelopedReserveExtensionAndDiscoveryEnergy
1426 Production Concept (num:energyItemType) For Period srt:ProvedDevelopedAndUndevelopedReserveProductionEnergy
1427 Proved developed and undeveloped reserves, Ending balance Concept (num:energyItemType) As Of srt:ProvedDevelopedAndUndevelopedReserveNetEnergy
1428 Proved developed reserves Concept (num:energyItemType) As Of srt:ProvedDevelopedReservesBOE1
1429 Proved undeveloped reserves Concept (num:energyItemType) As Of srt:ProvedUndevelopedReserveBOE1
1430 1153 - Disclosure - Supplementary Information on Oil and Gas Exploration and Production Activities (Unaudited) - Proved Oil and Gas Reserve Estimates - Additional Information (Detail) Network

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*

 http://www.petrochina.com.cn/taxonomy/role/DisclosureSupplementaryInformationOnOilAndGasExplorationAndProductionActivitiesUnauditedProvedOilAndGasReserveEstimatesAdditionalInformation
1431 Schedule of Proved Oil and Gas Reserve Estimates [table] Table

*

*

 ptr:ScheduleOfProvedOilAndGasReserveEstimatesTable
1432 Petroleum reserves [axis] Axis srt:ReserveQuantitiesByTypeOfReserveAxis
1433 Type of Reserve [Domain] Member srt:TypeOfReserveDomain
1434 Crude oil and condensate [member] Member srt:OilReservesMember
1435 Natural gas [member] Member srt:NaturalGasReservesMember
1436 Consolidated entities [axis] Axis srt:ConsolidatedEntitiesAxis
1437 Consolidated Entities [Domain] Member srt:ConsolidatedEntitiesDomain
1438 Consolidated entities [member] Member ptr:ConsolidatedEntitiesMember
1439 Geographical [axis] Axis srt:StatementGeographicalAxis
1440 Geographical [Domain] Member srt:SegmentGeographicalDomain
1441 Mainland China [member] Member ptr:MainlandChinaMember
1442 Other countries [member] Member ptr:OtherCountriesMember
1443 Schedule of Proved Oil and Gas Reserve Estimates [line items] LineItems ptr:ScheduleOfProvedOilAndGasReserveEstimatesLineItems
1444 Proved developed and undeveloped reserves Concept (num:energyItemType) As Of srt:ProvedDevelopedAndUndevelopedReserveNetEnergy
1445 Proved developed and undeveloped reserves Concept (num:volumeItemType) As Of srt:ProvedDevelopedAndUndevelopedReservesNet
1446 1154 - Disclosure - Supplementary Information on Oil and Gas Exploration and Production Activities (Unaudited) - Capitalized Costs (Detail) Network

*

*

 http://www.petrochina.com.cn/taxonomy/role/DisclosureSupplementaryInformationOnOilAndGasExplorationAndProductionActivitiesUnauditedCapitalizedCosts
1447 Capitalized Costs Relating To Oil And Gas Producing Activities By Geographic Area [table] Table

*

*

 ptr:CapitalizedCostsRelatingToOilAndGasProducingActivitiesByGeographicAreaTable
1448 Consolidated entities [axis] Axis srt:ConsolidatedEntitiesAxis
1449 Consolidated Entities [Domain] Member srt:ConsolidatedEntitiesDomain
1450 Consolidated entities [member] Member ptr:ConsolidatedEntitiesMember
1451 Equity method investments [member] Member ptr:EquityMethodInvesteeMember
1452 Capitalized Costs Relating to Oil and Gas Producing Activities by Geographic Area [line items] LineItems ptr:CapitalizedCostsRelatingToOilAndGasProducingActivitiesByGeographicAreaLineItems
1453 Property costs and producing assets Concept (Monetary) As Of Debit ptr:CapitalizedCostsPropertyCostsAndProducingAssets
1454 Support facilities Concept (Monetary) As Of Debit ptr:CapitalizedCostsSupportEquipmentAndFacilities
1455 Construction-in-progress Concept (Monetary) As Of Debit ptr:CapitalizedCostsUncompletedWellsEquipmentAndFacilities
1456 Total capitalized costs Concept (Monetary) As Of Debit ptr:CapitalizedCostsOilAndGasProducingActivitiesGross
1457 Accumulated depreciation, depletion and amortization Concept (Monetary) As Of Credit ptr:CapitalizedCostsAccumulatedDepreciationDepletionAmortizationAndValuationAllowanceForRelatingToOilAndGasProducingActivities
1458 Net capitalized costs Concept (Monetary) As Of Debit ptr:CapitalizedCostsOilAndGasProducingActivitiesNet
1459 1155 - Disclosure - Supplementary Information on Oil and Gas Exploration and Production Activities (Unaudited) - Costs Incurred for Property Acquisitions, Exploration and Development Activities (Detail) Network

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 http://www.petrochina.com.cn/taxonomy/role/DisclosureSupplementaryInformationOnOilAndGasExplorationAndProductionActivitiesUnauditedCostsIncurredForPropertyAcquisitionsExplorationAndDevelopmentActivities
1460 CostsIncurred In Oil And Gas Property Acquisition Exploration And Development Activities [table] Table

*

*

 ptr:CostsincurredInOilAndGasPropertyAcquisitionExplorationAndDevelopmentActivitiesTable
1461 Consolidated entities [axis] Axis srt:ConsolidatedEntitiesAxis
1462 Consolidated Entities [Domain] Member srt:ConsolidatedEntitiesDomain
1463 Consolidated entities [member] Member ptr:ConsolidatedEntitiesMember
1464 Equity method investments [member] Member ptr:EquityMethodInvesteeMember
1465 Geographical [axis] Axis srt:StatementGeographicalAxis
1466 Geographical [Domain] Member srt:SegmentGeographicalDomain
1467 Mainland China [member] Member ptr:MainlandChinaMember
1468 Other countries [member] Member ptr:OtherCountriesMember
1469 Costs Incurred Oil and Gas Property Acquisition Exploration and Development Activities [line items] LineItems ptr:CostsIncurredOilAndGasPropertyAcquisitionExplorationAndDevelopmentActivitiesLineItems
1470 Exploration costs Concept (Monetary) For Period Debit ptr:CostsIncurredExplorationCosts
1471 Development costs Concept (Monetary) For Period Debit ptr:CostsIncurredDevelopmentCosts
1472 Total Concept (Monetary) For Period Debit ptr:CostsIncurredOilAndGasPropertyAcquisitionExplorationAndDevelopmentActivities
1473 1156 - Disclosure - Supplementary Information on Oil and Gas Exploration and Production Activities (Unaudited) - Results of Operations for Oil and Gas Producing Activities (Detail) Network

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 http://www.petrochina.com.cn/taxonomy/role/DisclosureSupplementaryInformationOnOilAndGasExplorationAndProductionActivitiesUnauditedResultsOfOperationsForOilAndGasProducingActivities
1474 Results Of Operations For Oil And Gas Producing Activities By Geographic Area [table] Table

*

*

 ptr:ResultsOfOperationsForOilAndGasProducingActivitiesByGeographicAreaTable
1475 Consolidated entities [axis] Axis srt:ConsolidatedEntitiesAxis
1476 Consolidated Entities [Domain] Member srt:ConsolidatedEntitiesDomain
1477 Consolidated entities [member] Member ptr:ConsolidatedEntitiesMember
1478 Equity method investments [member] Member ptr:EquityMethodInvesteeMember
1479 Geographical [axis] Axis srt:StatementGeographicalAxis
1480 Geographical [Domain] Member srt:SegmentGeographicalDomain
1481 Mainland China [member] Member ptr:MainlandChinaMember
1482 Other countries [member] Member ptr:OtherCountriesMember
1483 Results Of Operations For Oil And Gas Producing Activities By Geographic Area [line items] LineItems ptr:ResultsOfOperationsForOilAndGasProducingActivitiesByGeographicAreaLineItems
1484 Revenue Abstract ptr:ResultsOfOperationsRevenueFromOilAndGasProducingActivitiesAbstract
1485 Sales to third parties Concept (Monetary) For Period Credit ptr:ResultsOfOperationsSalesRevenueToUnaffiliatedEnterprises
1486 Inter-segment sales Concept (Monetary) For Period Credit ptr:ResultsOfOperationsSalesOrTransfersToEntitysOtherOperations
1487 Revenue Concept (Monetary) For Period Credit ptr:ResultsOfOperationsRevenueFromOilAndGasProducingActivities
1488 Production costs excluding taxes Concept (Monetary) For Period Debit ptr:ResultsOfOperationsProductionOrLiftingCosts
1489 Exploration expenses Concept (Monetary) For Period Debit ptr:ResultsOfOperationsExplorationExpense
1490 Depreciation, depletion and amortization Concept (Monetary) For Period Debit ptr:ResultsOfOperationsDepreciationDepletionAndAmortizationAndValuationProvisions
1491 Taxes other than income taxes Concept (Monetary) For Period Debit ptr:ResultsOfOperationsTaxesOtherThanIncomeTaxes
1492 Accretion expense Concept (Monetary) For Period Debit ptr:ResultsOfOperationsAccretionOfAssetRetirementObligations
1493 Income taxes Concept (Monetary) For Period Debit ptr:ResultsOfOperationsIncomeTaxExpense
1494 Results of operations from producing activities Concept (Monetary) For Period Credit ptr:ResultsOfOperationsOilAndGasProducingActivitiesNetIncomeExcludingCorporateOverheadAndInterestCosts
1495 1157 - Disclosure - Supplementary Information on Oil and Gas Exploration and Production Activities (Unaudited) - Standardized Measure of Discounted Future Net Cash Flows (Detail) Network

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 http://www.petrochina.com.cn/taxonomy/role/DisclosureSupplementaryInformationOnOilAndGasExplorationAndProductionActivitiesUnauditedStandardizedMeasureOfDiscountedFutureNetCashFlows
1496 Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves [Table] Table

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 srt:DiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReservesTable
1497 Consolidated entities [axis] Axis srt:ConsolidatedEntitiesAxis
1498 Consolidated Entities [Domain] Member srt:ConsolidatedEntitiesDomain
1499 Consolidated entities [member] Member ptr:ConsolidatedEntitiesMember
1500 Equity method investments [member] Member ptr:EquityMethodInvesteeMember
1501 Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves [Line Items] LineItems srt:DiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReservesLineItems
1502 Future cash inflows Concept (Monetary) As Of Debit srt:FutureNetCashFlowsRelatingToProvedOilAndGasReservesCashInflows
1503 Future production costs Concept (Monetary) As Of Credit srt:FutureNetCashFlowsRelatingToProvedOilAndGasReservesProductionCosts
1504 Future development costs Concept (Monetary) As Of Credit srt:FutureNetCashFlowsRelatingToProvedOilAndGasReservesDevelopmentCosts
1505 Future income tax expense Concept (Monetary) As Of Credit srt:FutureNetCashFlowsRelatingToProvedOilAndGasReservesIncomeTaxExpense
1506 Future net cash flows Concept (Monetary) As Of Debit srt:FutureNetCashFlowsRelatingToProvedOilAndGasReservesNetCashFlows
1507 Discount at 10% for estimated timing of cash flows Concept (Monetary) As Of Credit srt:FutureNetCashFlowsRelatingToProvedOilAndGasReservesTenPercentAnnualDiscountForEstimatedTimingOfCashFlows
1508 Standardized measure of discounted future net cash flows Concept (Monetary) As Of Debit srt:StandardizedMeasureOfDiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReserves
1509 1158 - Disclosure - Supplementary Information on Oil and Gas Exploration and Production Activities (Unaudited) - Standardized Measure of Discounted Future Net Cash Flows - Additional Information (Detail) Network

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 http://www.petrochina.com.cn/taxonomy/role/DisclosureSupplementaryInformationOnOilAndGasExplorationAndProductionActivitiesUnauditedStandardizedMeasureOfDiscountedFutureNetCashFlowsAdditionalInformation
1510 Schedule of Proved Oil and Gas Reserve Estimates [table] Table

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 ptr:ScheduleOfProvedOilAndGasReserveEstimatesTable
1511 Consolidated entities [axis] Axis srt:ConsolidatedEntitiesAxis
1512 Consolidated Entities [Domain] Member srt:ConsolidatedEntitiesDomain
1513 Consolidated entities [member] Member ptr:ConsolidatedEntitiesMember
1514 Geographical [axis] Axis srt:StatementGeographicalAxis
1515 Geographical [Domain] Member srt:SegmentGeographicalDomain
1516 Mainland China [member] Member ptr:MainlandChinaMember
1517 Other countries [member] Member ptr:OtherCountriesMember
1518 Schedule of Proved Oil and Gas Reserve Estimates [line items] LineItems ptr:ScheduleOfProvedOilAndGasReserveEstimatesLineItems
1519 Standardized measure of discounted future net cash flows Concept (Monetary) As Of Debit srt:StandardizedMeasureOfDiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReserves
1520 1159 - Disclosure - Supplementary Information on Oil and Gas Exploration and Production Activities (Unaudited) - Changes in Standardized Measure of Discounted Future Net Cash Flows (Detail) Network

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 http://www.petrochina.com.cn/taxonomy/role/DisclosureSupplementaryInformationOnOilAndGasExplorationAndProductionActivitiesUnauditedChangesInStandardizedMeasureOfDiscountedFutureNetCashFlows
1521 Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves [Table] Table

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 srt:DiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReservesTable
1522 Consolidated entities [axis] Axis srt:ConsolidatedEntitiesAxis
1523 Consolidated Entities [Domain] Member srt:ConsolidatedEntitiesDomain
1524 Consolidated entities [member] Member ptr:ConsolidatedEntitiesMember
1525 Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves [Line Items] LineItems srt:DiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReservesLineItems
1526 Beginning of the year Concept (Monetary) As Of Debit srt:StandardizedMeasureOfDiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReserves
1527 Sales and transfers of oil and gas produced, net of production costs Concept (Monetary) For Period Credit srt:SalesAndTransfersOfOilAndGasProducedNetOfProductionCosts
1528 Net changes in prices and production costs and other Concept (Monetary) For Period Debit ptr:NetChangesInPricesAndProductionCostsAndOther
1529 Extensions, discoveries and improved recovery Concept (Monetary) For Period Debit srt:ExtensionsDiscoveriesAdditionsAndImprovedRecoveryLessRelatedCosts
1530 Development costs incurred Concept (Monetary) For Period Debit srt:IncreaseDecreaseInEstimatedFutureDevelopmentCosts
1531 Revisions of previous quantity estimates Concept (Monetary) For Period Debit srt:RevisionsOfPreviousQuantityEstimates
1532 Accretion of discount Concept (Monetary) For Period Credit srt:StandardizedMeasureOfDiscountedFutureNetCashFlowRelatingToProvedOilAndGasReservesAccretionOfDiscount
1533 Net change in income taxes Concept (Monetary) For Period Debit srt:IncreaseDecreaseInFutureIncomeTaxExpenseEstimatesOnFutureCashFlowsRelatedToProvedOilAndGasReserves
1534 End of the year Concept (Monetary) As Of Debit srt:StandardizedMeasureOfDiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReserves

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