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Other Net Operating Results (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Disclosure of Other Operating Results Net [abstract]      
Result for sale of participation in areas [1]   $ 21 $ 192
Result from sale of assets held for disposal   57  
Lawsuits $ 145 (341) (70)
Insurance   15 56
Result for contractual commitment Exmar [2]     (105)
Miscellaneous 5 16 20
Other operating results, net $ 150 $ (232) $ 93
[1] See Note 34.b).
[2] See Note 34.d).