Condensed Consolidated Statement of Comprehensive Income - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Statement of Comprehensive Income [Abstract]
Net income	$ 1,743	$ 1,481
Other comprehensive income (loss), before tax:
Foreign currency translation adjustments	(121)	122
Pension and postretirement benefit plans adjustments	(51)	(146)
Change in unrealized cash flow hedging	(73)	12
Other comprehensive income (loss), before tax	(245)	(12)
Income tax benefit related to items of other comprehensive income (loss)	29	41
Other comprehensive income (loss), net of tax	(216)	29
Comprehensive income	1,527	1,510
Less: Comprehensive income attributable to noncontrolling interest	34	55
Comprehensive income attributable to common shareowners	$ 1,493	$ 1,455