Consolidated Statements of Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Statement of Comprehensive Income [Abstract]
Net income	$ 1,205	$ 3,017	$ 2,308	$ 2,997
Other comprehensive income (loss), net of tax:
Unrecognized amounts on retirement benefits, net of tax	(7)	25	(11)	40
Foreign currency translation adjustment	232	(481)	331	(591)
Unrealized gains (losses) on cash flow hedges, net of tax	39	26	(16)	103
Total other comprehensive income (loss), net of tax	264	(430)	304	(448)
Comprehensive income	1,469	2,587	2,612	2,549
Comprehensive income attributable to noncontrolling interests	130	120	244	229
Comprehensive income (loss) attributable to parent	$ 1,339	$ 2,467	$ 2,368	$ 2,320