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	$ 1,583	$ 1,392	$ 2,511	$ 2,125	[1]
Other comprehensive income/(loss), before tax:
Foreign currency translation adjustments	116	213	29	655
Net changes related to available-for-sale securities:
Unrealized gains/(losses) arising during the period	(17)	0	(1)	(1)
Reclassification of (gains)/losses to net income	0	0	0	0
Total net changes related to available-for-sale securities	(17)	0	(1)	(1)
Unrealized gains/(losses) on cash flow hedges:
Unrealized gains/(losses) arising during the period	178	200	149	260
Reclassification of (gains)/losses to net income	(30)	16	(152)	16
Total unrealized gains/(losses) on cash flow hedges	148	217	(3)	276
Retirement-related benefit plans:
Prior service costs/(credits)	0	0	0	(5)
Net (losses)/gains arising during the period	0	1	2	10
Curtailments and settlements	6	11	5	19
Amortization of prior service (credits)/costs	(2)	6	(4)	13
Amortization of net (gains)/losses	130	450	261	917
Total retirement-related benefit plans	134	468	263	954
Other comprehensive income/(loss), before tax	381	897	289	1,885
Income tax (expense)/benefit related to items of other comprehensive income	(101)	(534)	(48)	(819)
Other comprehensive income/(loss), net of tax	280	363	241	1,066
Total comprehensive income	$ 1,863	$ 1,755	$ 2,751	$ 3,191

[1] Includes immaterial cash flows from discontinued operations.