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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, 2019
Mar. 31, 2018
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]    
Revenue $ 1,940 $ 1,795
Tax effect 10 (3)
Net loss attributable to Company (77) (68)
Reclassification out of Accumulated Other Comprehensive Income [Member]    
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]    
Revenue   (1)
Cost of revenue 1 (4)
Tax effect   2
Net loss attributable to Company 1 (3)
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]    
Revenue   (1)
Cost of revenue 1 (4)
Tax effect   2
Net loss attributable to Company $ 1 $ (3)