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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 (Parenthetical) (Detail) - Upstream Contracts comprised in right-of-use assets [member] - IFRS 16 [member] $ in Millions	Dec. 31, 2022 USD ($)
Disclosure of information about consolidated structured entities [line items]
Upstream wells related equipment contracts comprised in right-of-use assets	$ 524
Upstream support equipment and facilities contracts comprised in right-of-use assets	351
Accumulated Depreciation Of All Upstream Contracts	$ (566)