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Accumulated Other Comprehensive Loss - Components of Amounts Reclassified from Accumulated Other Comprehensive Income (Loss) (Detail) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]    
Revenue $ 1,249 $ 1,883
Tax effect 6 156
Net loss attributable to Company $ (115) (2,047)
Reclassification out of Accumulated Other Comprehensive Income [Member]    
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]    
Cost of revenue   5
Tax effect   (1)
Net loss attributable to Company   4
Derivative Financial Instruments, Net of Tax [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]    
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]    
Cost of revenue   5
Tax effect   (1)
Net loss attributable to Company   $ 4