CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME
Net income	$ 2,853	$ 2,950	$ 7,371	$ 8,727
Other comprehensive income/(loss), before tax:
Foreign currency translation adjustments	(99)	(1,015)	(109)	(1,365)
Net changes related to available-for-sale securities:
Unrealized gains/(losses) arising during the period	(1)	(102)	(36)	(85)
Reclassification of (gains)/losses to net income	(1)	0	36	0
Total net changes related to available-for-sale securities	(2)	(101)	0	(85)
Unrealized gains/(losses) on cash flow hedges:
Unrealized gains/(losses) arising during the period	35	36	(221)	467
Reclassification of (gains)/losses to net income	15	(273)	26	(843)
Total unrealized gains/(losses) on cash flow hedges	50	(237)	(195)	(376)
Retirement-related benefit plans:
Prior service costs/(credits)		0		6
Net (losses)/gains arising during the period	11	(2)	(57)	14
Curtailments and settlements	4	11	19	19
Amortization of prior service (credits)/costs	(28)	(25)	(81)	(76)
Amortization of net (gains)/losses	696	823	2,079	2,479
Total retirement-related benefit plans	683	807	1,960	2,441
Other comprehensive income/(loss), before tax	632	(547)	1,656	616
Income tax (expense)/benefit related to items of other comprehensive income	(192)	(176)	(213)	(895)
Other comprehensive income/(loss)	440	(724)	1,442	(280)
Total comprehensive income/(loss)	$ 3,293	$ 2,227	$ 8,813	$ 8,448