Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Net income (loss)	$ 1,041	$ (82)	$ 4,700
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustment	(125)	76	195
Net change in derivative financial instruments	170	(137)	62
Net change in defined benefit pensions and other items	11	(1)	(20)
Total other comprehensive income (loss)	56	(63)	237
Total comprehensive income (loss)	$ 1,096	$ (145)	$ 4,937