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Taxes - Summary of Income Tax Relating to Components of Deferred Tax Other Comprehensive Income (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Disclosure Of Income Tax Relating To Components Of Deferred Tax Other Comprehensive Income [Line Items]      
Deferred income tax expense/(benefit) via other comprehensive income $ 84 $ (66) $ 10
Derivatives [member]      
Disclosure Of Income Tax Relating To Components Of Deferred Tax Other Comprehensive Income [Line Items]      
Deferred income tax expense/(benefit) via other comprehensive income 77 (64) 5
Other [member]      
Disclosure Of Income Tax Relating To Components Of Deferred Tax Other Comprehensive Income [Line Items]      
Deferred income tax expense/(benefit) via other comprehensive income $ 7 $ (2) $ 5