Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Statement of Comprehensive Income [Abstract]
Net income	$ 560	$ 1,723	$ 3,502	$ 4,007
Defined benefit plans:
Actuarial losses arising during the period	0	0	0	(1)
Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), before Tax	0	0	(1)	0
Amortization of unrecognized amounts included in net periodic benefit costs	1	4	5	12
Foreign exchange losses	0	0	(1)	(1)
Other comprehensive income	1	4	3	10
Total comprehensive income	561	1,727	3,505	4,017
Total comprehensive income attributable to noncontrolling interests	(156)	(324)	(731)	(806)
Total comprehensive income (loss)	$ 405	$ 1,403	$ 2,774	$ 3,211