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Segment Information - Additional Information (Detail) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Segment Reporting Information [Line Items]      
Revenue $ 22,929 $ 23,601 $ 32,917
United States      
Segment Reporting Information [Line Items]      
Revenue $ 3,400 $ 4,500 $ 9,300