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Consolidated Statements of Comprehensive Loss (Unaudited) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Statement Of Income And Comprehensive Income [Abstract]    
Net loss $ (114) $ (2,049)
Currency translation adjustments (19) (180)
Changes in derivative financial instruments, net of tax (2) (52)
Comprehensive loss (135) (2,281)
Comprehensive income attributable to noncontrolling interest 1 (2)
Comprehensive loss attributable to Company $ (136) $ (2,279)