CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME
Net income	$ 2,014	$ 2,328
Other comprehensive income/(loss), before tax:
Foreign currency translation adjustments	239	(452)
Net changes related to available-for-sale securities:
Unrealized gains/(losses) arising during the period	(36)	32
Reclassification of (gains)/losses to net income	37	0
Total net changes related to available-for-sale securities	1	32
Unrealized gains/(losses) on cash flow hedges:
Unrealized gains/(losses) arising during the period	(265)	619
Reclassification of (gains)/losses to net income	(91)	(249)
Total unrealized gains/(losses) on cash flow hedges	(356)	370
Retirement-related benefit plans:
Prior service costs/(credits)		5
Net (losses)/gains arising during the period	(147)	(77)
Curtailments and settlements	5	4
Amortization of prior service (credits)/cost	(25)	(26)
Amortization of net (gains)/losses	690	835
Total retirement-related benefit plans	522	740
Other comprehensive income/(loss), before tax	406	690
Income tax (expense)/benefit related to items of other comprehensive income	202	(657)
Other comprehensive income/(loss)	608	33
Total comprehensive income/(loss)	$ 2,622	$ 2,361