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v3.23.1

Supplemental Information on Oil And Gas Producing Activities (Unaudited) - Additional Information (Detail) | 12 Months Ended
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Dec. 31, 2022 MMBbls MMBoe Bcf | Dec. 31, 2021 MMBbls MMBoe Bcf | Dec. 31, 2020 MMBbls MMBoe Bcf
Changes in our estimated proved reserves [line items] |  |  |
Extension and discoveries of proved development reserves | 34 | 27 | 6
Extension and discoveries of proved undevelopment reserves | 288 | 148 | 85
Proved developed reserves of sales and acquisition |  |  | 11
Revised proved reserves | 87 | 217 | 61
Proved developed reserves added due to higher average oil price | 55 | 186 |
Proved developed reserves revisions of previous estimates increases by liquids and gas production performance | 46 |  | 61
Proved reserves revisions of previous estimates of change of development strategy |  | 17 |
Proved developed reserves reduced due to lower average oil price |  |  | 38
Top of range [member] |  |  |
Changes in our estimated proved reserves [line items] |  |  |
Increase Decrease in total proved reserve | 7.00% |  |
Neuquina basin [Member] |  |  |
Changes in our estimated proved reserves [line items] |  |  |
Proved reserves revisions of previous estimates of change of development strategy | 15 |  | 37
Crude oil [Member] |  |  |
Changes in our estimated proved reserves [line items] |  |  |
Extension and discoveries of proved development reserves | MMBbls | 5 | 3 | 4
Extension and discoveries of proved undevelopment reserves | MMBbls | 120 | 73 | 42
Revised proved reserves | MMBbls | 72 | 161 |
Proved developed reserves added due to higher average oil price | MMBbls |  |  | 93
Increase Decrease in estimated reserve | 10.00% |  |
Increase Decrease in total proved reserve | 2.00% |  |
Natural Gas Liquids [Member] |  |  |
Changes in our estimated proved reserves [line items] |  |  |
Extension and discoveries of proved development reserves | MMBbls | 3 | 3 |
Extension and discoveries of proved undevelopment reserves | MMBbls | 24 | 16 | 9
Revised proved reserves | MMBbls | 1 | 6 | 8
Natural gas [member] |  |  |
Changes in our estimated proved reserves [line items] |  |  |
Extension and discoveries of proved development reserves | Bcf | 144 | 116 | 9
Extension and discoveries of proved undevelopment reserves | Bcf | 808 | 334 | 189
Revised proved reserves | Bcf | 91 | 347 | 136
Increase Decrease in estimated reserve | 10.00% |  |
Increase Decrease in total proved reserve | 1.00% |  |
Crude Oil And Natural Gas [Member] |  |  |
Changes in our estimated proved reserves [line items] |  |  |
Increase Decrease in estimated reserve | 10.00% |  |
Increase Decrease in total proved reserve | 3.00% |  |

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