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Income Tax - Summary of Breakdown of Income Tax Liability (Parentheticals) (Detail) - USD ($)
$ in Millions
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Break down of income tax liability [Line Items]      
Tax liabilities $ 31 $ 27 $ 13
Installments of the Regularization Regimes Associated with the Dispute Over the Cost Deduction for Hydrocarbon Well Abandonment [Member] | Hydrocarbon Wells Abandonment Costs [member] | Twelve Instalments [member]      
Break down of income tax liability [Line Items]      
Tax liabilities 1 6 5
Remaining Installments of the Regimes [Member] | Hydrocarbon Wells Abandonment Costs [member]      
Break down of income tax liability [Line Items]      
Tax liabilities $ 4 $ 26 $ 29