Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Statement of Comprehensive Income [Abstract]
Net income	$ 964	$ 560	$ 2,744	$ 3,502
Defined benefit plans:
Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), before Tax	0	0	0	(1)
Amortization of unrecognized amounts included in net periodic benefit costs	1	1	3	5
Foreign exchange losses	(1)	0	0	(1)
Other comprehensive income	0	1	3	3
Total comprehensive income	964	561	2,747	3,505
Total comprehensive income attributable to noncontrolling interests	(509)	(156)	(1,284)	(731)
Total comprehensive income (loss)	$ 455	$ 405	$ 1,463	$ 2,774