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Supplemental Information on Oil And Gas Producing Activities (Unaudited) - Summary of Changes in YPF's Net Proved Reserves (Parenthetical) (Detail) | 12 Months Ended
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Dec. 31, 2020 Bbls MMBbls Bcf | Dec. 31, 2019 MMBbls Bcf | Dec. 31, 2018 MMBbls Bcf
Disclosure of information about consolidated structured entities [Line Items] |  |  |
Estimated crude oil production | 11 | 12 | 12
Estimated proved crude oil reserves | 70 | 88 | 83
Estimated natural gas liquids production | 1 | 1 | 2
Estimated proved natural gas liquids reserves | 7 | 6 | 8
Estimated natural gas production | Bcf | 53 | 60 | 61
Estimated Proved oil equivalent reserves | 120 | 140 | 143
Consolidated entities [Member] |  |  |
Disclosure of information about consolidated structured entities [Line Items] |  |  |
Estimated proved natural gas reserves | Bcf | 245 | 259 | 288
Estimated barrel of oil equivalent production | 22 | 24 | 24
Consolidated and equity-accounted entities [Member] |  |  |
Disclosure of information about consolidated structured entities [Line Items] |  |  |
Estimated proved natural gas reserves | Bcf | 290 | 321 | 349
Oil equivalent [Member] |  |  |
Disclosure of information about consolidated structured entities [Line Items] |  |  |
Natural gas converted to barrel of oil equivalent | Bbls | 5,615 |  |

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