Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Statement of Comprehensive Income [Abstract]
Net income	$ 1,904	$ 953
Defined benefit plans:
Actuarial losses arising during the period	0	(1)
Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), before Tax	(1)	0
Amortization of unrecognized amounts included in net periodic benefit costs	2	4
Foreign exchange losses	0	(1)
Other comprehensive income	1	2
Total comprehensive income	1,905	955
Total comprehensive income attributable to noncontrolling interests	(377)	(234)
Total comprehensive income (loss)	$ 1,528	$ 721