Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Statement of Comprehensive Income [Abstract]
Net income	$ 1,049	$ 1,904
Defined benefit plans:
Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), before Tax	0	(1)
Amortization of unrecognized amounts included in net periodic benefit costs	1	2
Foreign exchange gains	1	0
Other comprehensive income	2	1
Total comprehensive income	1,051	1,905
Total comprehensive income attributable to noncontrolling interests	(387)	(377)
Total comprehensive income (loss)	$ 664	$ 1,528