Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Statement of Comprehensive Income [Abstract]
Net income	$ 1,280	$ 731	$ 2,442	$ 1,780
Defined benefit plans:
Amortization of unrecognized amounts included in net periodic benefit costs	0	1	1	2
Foreign exchange (losses) gains	0	0	(1)	1
Other comprehensive income	0	1	0	3
Total comprehensive income	1,280	732	2,442	1,783
Total comprehensive income attributable to noncontrolling interests	(664)	(388)	(1,353)	(775)
Total comprehensive income (loss)	$ 616	$ 344	$ 1,089	$ 1,008