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Supplementary Information - Cash Paid (Refunded) for Interest and Income Taxes (Detail) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Segment Reporting [Abstract]      
Interest $ 560 $ 598 $ 558
Income tax $ 591 $ 582 $ 739