Consolidated Statement of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Net income (loss)	$ 53	$ (173)	$ 121	$ (135)
Other comprehensive income (loss), net of tax:
Currency translation adjustments	19	7	14	(147)
Hedging gains and losses	16	10	(1)	39
Defined benefit plans	4	4	7	7
Other comprehensive income	39	21	20	(101)
Total comprehensive income (loss)	92	(152)	141	(236)
Less: Comprehensive (income) loss attributable to noncontrolling interests	5	(9)	6	8
Less: Comprehensive (income) loss attributable to redeemable noncontrolling interests	(7)	3	(4)	17
Comprehensive income (loss) attributable to the parent company	$ 90	$ (158)	$ 143	$ (211)