CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME
Net income	$ 955	$ 1,175
Other comprehensive income/(loss), before tax
Foreign currency translation adjustments	549	(919)
Net changes related to available-for-sale securities
Unrealized gains/(losses) arising during the period	0	0
Total net changes related to available-for-sale securities	0	0
Unrealized gains/(losses) on cash flow hedges
Unrealized gains/(losses) arising during the period	187	(180)
Reclassification of (gains)/losses to net income	160	91
Total unrealized gains/(losses) on cash flow hedges	347	(90)
Retirement-related benefit plans
Prior service costs/(credits)	0	(4)
Net (losses)/gains arising during the period	20	8
Curtailments and settlements	17	8
Amortization of prior service (credits)/costs	3	1
Amortization of net (gains)/losses	648	570
Total retirement-related benefit plans	689	582
Other comprehensive income/(loss), before tax	1,586	(427)
Income tax (expense)/benefit related to items of other comprehensive income	(505)	(260)
Other comprehensive income/(loss)	1,080	(686)
Total comprehensive income/(loss)	$ 2,036	$ 489