Consolidated Statement of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Net income (loss)	$ 200	$ (51)	$ 233
Other comprehensive income (loss), net of tax:
Currency translation adjustments	(9)	(77)	8
Hedging gains and losses	(5)	39	24
Defined benefit plans	53	9	344
Other comprehensive income (loss)	39	(29)	376
Total comprehensive income (loss)	239	(80)	609
Less: Comprehensive income attributable to noncontrolling interests	(2)	(27)	(9)
Less: Comprehensive loss attributable to redeemable noncontrolling interests	1	36	1
Comprehensive income (loss) attributable to the parent company	$ 238	$ (71)	$ 601