Condensed Consolidated Statement of Comprehensive Income - 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 from continuing and discontinued operations	$ 1,359	$ 1,338	$ 2,840	$ 2,445
Other comprehensive income (loss), before tax:
Foreign currency translation adjustments	404	(708)	526	(948)
Pension and postretirement benefit plans adjustments	(183)	47	(329)	68
Change in unrealized cash flow hedging	285	(182)	297	(145)
Other comprehensive income (loss), before tax	506	(843)	494	(1,025)
Income tax (expense) benefit related to items of other comprehensive income (loss)	(19)	27	22	9
Other comprehensive loss, net of tax	487	(816)	516	(1,016)
Comprehensive income	1,846	522	3,356	1,429
Less: Comprehensive income attributable to noncontrolling interest	32	34	87	57
Comprehensive income attributable to common shareowners	$ 1,814	$ 488	$ 3,269	$ 1,372