CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME
Net income	$ 1,361	$ 2,498	$ 2,536	$ 4,089
Other comprehensive income/(loss), before tax:
Foreign currency translation adjustments	4	5	(915)	176
Net changes related to available-for-sale securities:
Unrealized gains/(losses) arising during the period	1	(2)	1	(3)
Total net changes related to available-for-sale securities	1	(2)	1	(3)
Unrealized gains/(losses) on cash flow hedges:
Unrealized gains/(losses) arising during the period	(36)	(6)	(216)	(359)
Reclassification of (gains)/losses to net income	(59)	(168)	32	(70)
Total unrealized gains/(losses) on cash flow hedges	(94)	(175)	(184)	(429)
Retirement-related benefit plans:
Prior service costs/(credits)			(4)
Net (losses)/gains arising during the period	57	116	65	113
Curtailments and settlements	13	3	21	4
Amortization of prior service (credits)/costs	0	(3)	1	(6)
Amortization of net (gains)/losses	566	460	1,136	924
Total retirement-related benefit plans	637	576	1,219	1,035
Other comprehensive income/(loss), before tax	548	405	121	779
Income tax (expense)/benefit related to items of other comprehensive income	(21)	(64)	(281)	(131)
Other comprehensive income/(loss), net of tax	527	340	(160)	649
Total comprehensive income/(loss)	$ 1,888	$ 2,839	$ 2,377	$ 4,738