Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Statement of Comprehensive Income [Abstract]
Net income	$ 3,144	$ 6,189	$ 7,014
Other comprehensive (loss) income, net of tax:
Unrecognized amounts on retirement benefits, net of tax	(72)	174	(65)
Foreign currency translation adjustment	(810)	(24)	234
Unrealized gains (losses) on cash flow hedges, net of tax	76	67	(15)
Total other comprehensive (loss) income, net of tax	(806)	217	154
Comprehensive income	2,338	6,406	7,168
Comprehensive income attributable to noncontrolling interests	426	404	71
Comprehensive income (loss) attributable to parent	$ 1,912	$ 6,002	$ 7,097