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Supplemental Information on Oil And Gas Producing Activities (Unaudited) - Summary of Capitalized Costs, Along with the related Accumulated Depreciation and Allowances (Detail) - USD ($)
$ in Millions
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Argentina [member]      
Disclosure of information about consolidated entities [line items]      
Mineral property, wells and related equipment $ 28,164 $ 53,052 $ 49,698
Support equipment and facilities 2,138 2,257 1,827
Drilling and work in progress 3,916 3,774 2,638
Unproved oil and gas properties 186 264 173
Total capitalized costs 34,404 59,347 54,336
Accumulated depreciation and valuation allowances (23,602) (48,382) (43,440)
Net capitalized costs 10,802 10,965 10,896
Worldwide [member]      
Disclosure of information about consolidated entities [line items]      
Mineral property, wells and related equipment 28,164 53,052 49,698
Support equipment and facilities 2,138 2,257 1,827
Drilling and work in progress 3,916 3,774 2,638
Unproved oil and gas properties 186 264 173
Total capitalized costs 34,404 59,347 54,336
Accumulated depreciation and valuation allowances (23,602) (48,382) (43,440)
Net capitalized costs $ 10,802 $ 10,965 $ 10,896