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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 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Reclassification Adjusactment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]        
Revenue $ 1,417 $ 1,496 $ 2,666 $ 3,379
Tax effect (2) 47 4 203
Net loss attributable to Company (26) (93) (141) (2,140)
Reclassification out of Accumulated Other Comprehensive Income [Member]        
Reclassification Adjusactment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]        
Revenue (1) 2 (1) 2
Cost of revenue (3) 10 (3) 15
Tax effect 1 (2) 1 (3)
Net loss attributable to Company (3) 10 (3) 14
Derivative Financial Instruments, Net of Tax [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]        
Reclassification Adjusactment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]        
Revenue (1) 2 (1) 2
Cost of revenue (3) 10 (3) 15
Tax effect 1 (2) 1 (3)
Net loss attributable to Company $ (3) $ 10 $ (3) $ 14