CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME
Net income	$ 2,504	$ 3,449	$ 4,518	$ 5,777
Other comprehensive income/(loss), before tax:
Foreign currency translation adjustments	(248)	102	(10)	(350)
Net changes related to available-for-sale securities:
Unrealized gains/(losses) arising during the period	1	(15)	(35)	17
Reclassification of (gains)/losses to net income	0	0	37	0
Total net changes related to available-for-sale securities	1	(15)	2	16
Unrealized gains/(losses) on cash flow hedges:
Unrealized gains/(losses) arising during the period	9	(187)	(256)	432
Reclassification of (gains)/losses to net income	102	(321)	11	(570)
Total unrealized gains/(losses) on cash flow hedges	111	(508)	(245)	(138)
Retirement-related benefit plans:
Prior service costs/(credits)		1		6
Net (losses)/gains arising during the period	78	93	(68)	16
Curtailments and settlements	10	3	14	7
Amortization of prior service (credits)/costs	(27)	(25)	(53)	(51)
Amortization of net (gains)/losses	693	821	1,383	1,656
Total retirement-related benefit plans	754	894	1,277	1,635
Other comprehensive income/(loss), before tax	617	472	1,023	1,163
Income tax (expense)/benefit related to items of other comprehensive income	(223)	(62)	(21)	(719)
Other comprehensive income/(loss)	394	411	1,002	444
Total comprehensive income/(loss)	$ 2,899	$ 3,860	$ 5,520	$ 6,221