XML 223 R201.htm IDEA: XBRL DOCUMENT
v3.21.1

Supplemental Information on Oil And Gas Producing Activities (Unaudited) - Additional Information (Detail) | 12 Months Ended
--- | ---
Dec. 31, 2020 MMBbls Bcf MMBoe Rate | Dec. 31, 2019 MMBbls Bcf MMBoe | Dec. 31, 2018 MMBbls Bcf MMBoe
Changes in our estimated proved reserves [line items] |  |  |
Extension and discoveries of proved development reserves | 6 | 32 | 25
Extension and discoveries of proved undevelopment reserves | 85 | 137 | 149
Net proved reserves of oil equivalent, Improved recovery |  | 8 | 15
Revised proved reserves | 61 | 7 | 156
Proved developed reserves added due to higher average oil price | (61) | (10) | 143
Proved undeveloped reserves revisions of previous estimates of economic conditions increases-decreases |  |  | 48
Proved developed reserves revisions of previous estimates increases by liquids and gas production performance | 38 | 33 | 33
Proved reserves revisions of previous estimates of change of development strategy |  | 42 | 43
Net proved reserves of sales and acquisition | 11 | 3 | 1.4
Selling exchange rate | Rate | 84.05 |  |
Vaca Muerta Development Project [Member] |  |  |
Changes in our estimated proved reserves [line items] |  |  |
Proved reserves revisions of previous estimates of change of development strategy |  | 19 |
Golfo San Jorge basin [Member] |  |  |
Changes in our estimated proved reserves [line items] |  |  |
Proved developed reserves of oil equivalent, Improved reserves |  | 2 | 4.4
Proved developed reserves added due to higher average oil price |  |  | 40
Proved undeveloped reserves revisions of previous estimates of economic conditions decreases |  |  | 33
Neuquina basin [Member] |  |  |
Changes in our estimated proved reserves [line items] |  |  |
Proved developed reserves of oil equivalent, Improved reserves |  | 5 | 3
Proved undeveloped reserves of oil equivalent, Improved reserves |  |  | 3
Proved developed reserves added due to higher average oil price |  |  | 56
Proved undeveloped reserves revisions of previous estimates of economic conditions decreases |  |  | 15
Proved reserves revisions of previous estimates of change of development strategy | 37 |  |
Reduction of proved undeveloped reserves due to changes in gas compression projects |  |  | 5
Net production results and forecasts from existing and new wells |  |  | 13
Austral, Golfo San Jorge and Cuyana basins [member] |  |  |
Changes in our estimated proved reserves [line items] |  |  |
Proved undeveloped reserves reduction |  |  | 5
Golfo San Jorge And Neuquina Basins [member] |  |  |
Changes in our estimated proved reserves [line items] |  |  |
Proved undeveloped reserves reduction |  | 6 |
Crude oil [Member] |  |  |
Changes in our estimated proved reserves [line items] |  |  |
Extension and discoveries of proved development reserves | MMBbls | 4 | 11 | 8
Extension and discoveries of proved undevelopment reserves | MMBbls | 42 | 76 | 95
Revised proved reserves | MMBbls | 93 | 21 | 126
Natural Gas Liquids [Member] |  |  |
Changes in our estimated proved reserves [line items] |  |  |
Extension and discoveries of proved development reserves | MMBbls |  | 2 | 1
Extension and discoveries of proved undevelopment reserves | MMBbls | 9 | 12 | 12
Revised proved reserves | MMBbls | 8 | 4 | 1
Natural gas [member] |  |  |
Changes in our estimated proved reserves [line items] |  |  |
Extension and discoveries of proved development reserves | Bcf | 9 | 107 | 92
Extension and discoveries of proved undevelopment reserves | Bcf | 189 | 276 | 238
Revised proved reserves | Bcf | 136 | 103 | 178
Austral basin [Member] |  |  |
Changes in our estimated proved reserves [line items] |  |  |
Proved developed reserves added due to higher average oil price |  |  | 31
Cuyana basin [Member] |  |  |
Changes in our estimated proved reserves [line items] |  |  |
Proved developed reserves of oil equivalent, Improved reserves |  | 1 |

X
- Definition The spot exchange rate at the end of the reporting period. Exchange rate is the ratio of exchange for two currencies. Spot exchange rate is the exchange rate for immediate delivery. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 112 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_112_c&doctype=Standard -URIDate 2020-01-01 + Details
Name: | ifrs-full_ClosingForeignExchangeRate
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

X
- References No definition available. + Details
Name: | ypf_ChangesInOurEstimatedProvedReservesLineItems
Namespace Prefix: | ypf_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Extensions and discoveries of proved developed reserves. + References No definition available. + Details
Name: | ypf_ExtensionsAndDiscoveriesOfProvedDevelopedReserves
Namespace Prefix: | ypf_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | duration

X
- Definition Extensions and discoveries of proved undeveloped reserves. + References No definition available. + Details
Name: | ypf_ExtensionsAndDiscoveriesOfProvedUndevelopedReserves
Namespace Prefix: | ypf_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | duration

X
- Definition Net proved reserves of oil equivalent improved recovery. + References No definition available. + Details
Name: | ypf_NetProvedReservesOfOilEquivalentImprovedRecovery
Namespace Prefix: | ypf_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | duration

X
- Definition Net proved reserves of sales and acquisition. + References No definition available. + Details
Name: | ypf_NetProvedReservesOfSalesAndAcquisition
Namespace Prefix: | ypf_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | duration

X
- Definition Net proved reserves revisions of previous estimates increase decrease. + References No definition available. + Details
Name: | ypf_NetProvedReservesRevisionsOfPreviousEstimatesIncreaseDecrease
Namespace Prefix: | ypf_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | duration

X
- Definition Proved developed reserves of oil equivalent improved recovery. + References No definition available. + Details
Name: | ypf_ProvedDevelopedReservesOfOilEquivalentImprovedRecovery
Namespace Prefix: | ypf_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | duration

X
- Definition Proved Developed Reserves Revisions Of Previous Estimates Due To Higher Average Oil Price + References No definition available. + Details
Name: | ypf_ProvedDevelopedReservesRevisionsOfPreviousEstimatesDueToHigherAverageOilPrice
Namespace Prefix: | ypf_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Proved Developed Reserves Revisions Of Previous Estimates Due To Higher Average Oil Price Increase + References No definition available. + Details
Name: | ypf_ProvedDevelopedReservesRevisionsOfPreviousEstimatesDueToHigherAverageOilPriceIncrease
Namespace Prefix: | ypf_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | duration

X
- Definition Proved developed reserves revisions of previous estimates increases by liquids and gas production performance. + References No definition available. + Details
Name: | ypf_ProvedDevelopedReservesRevisionsOfPreviousEstimatesIncreasesByliquidsAndGasProductionPerformance
Namespace Prefix: | ypf_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | duration

X
- Definition Proved Reserves Revisions Of Previous Estimates Of Change of Development Strategy + References No definition available. + Details
Name: | ypf_ProvedReservesRevisionsOfPreviousEstimatesOfChangeOfDevelopmentStrategy
Namespace Prefix: | ypf_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | duration

X
- Definition Proved reserves revisions of previous estimates of production and forecast decreases. + References No definition available. + Details
Name: | ypf_ProvedReservesRevisionsOfPreviousEstimatesOfProductionAndForecastDecreases
Namespace Prefix: | ypf_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | duration

X
- Definition Proved undeveloped reserves of oil equivalent improved recovery + References No definition available. + Details
Name: | ypf_ProvedUndevelopedReservesOfOilEquivalentImprovedRecovery
Namespace Prefix: | ypf_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | duration

X
- Definition Proved undeveloped reserves reduction. + References No definition available. + Details
Name: | ypf_ProvedUndevelopedReservesReduction
Namespace Prefix: | ypf_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | duration

X
- Definition Proved undeveloped reserves revisions of previous estimates due to economic conditions. + References No definition available. + Details
Name: | ypf_ProvedUndevelopedReservesRevisionsOfPreviousEstimatesDueToEconomicConditions
Namespace Prefix: | ypf_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Proved undeveloped reserves revisions of previous estimates due to economic conditions decrease. + References No definition available. + Details
Name: | ypf_ProvedUndevelopedReservesRevisionsOfPreviousEstimatesDueToEconomicConditionsDecrease
Namespace Prefix: | ypf_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | duration

X
- Definition Reduction of proved undeveloped reserves due to changes in gas compression projects. + References No definition available. + Details
Name: | ypf_ReductionOfProvedUndevelopedReservesDueToChangesInGasCompressionProjects
Namespace Prefix: | ypf_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | ifrs-full_AccountingEstimatesAxis=ypf_VacaMuertaDevelopmentProjectMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SegmentsAxis=ypf_GolfoSanJorgeBasinMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SegmentsAxis=ypf_NeuquinaBasinMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SegmentsAxis=ypf_AustralGolfoSanJorgeAndCuyanaBasinsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SegmentsAxis=ypf_GolfoSanJorgeAndNeuquinaBasinsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=ypf_CrudeOil1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=ypf_NaturalGasLiquidsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=ypf_NaturalGasMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=ypf_AustralBasinMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=ypf_CuyanaBasinMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |