CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME
Net income	$ 2,384	$ 3,032
Other comprehensive income/(loss), before tax
Foreign currency translation adjustments	(61)	(405)
Net changes related to available-for-sale securities:
Unrealized gains/(losses) arising during the period	0	(3)
Reclassification of (gains)/losses to net income	4	1
Subsequent changes in previously impaired securities arising during the period		1
Total net changes related to available-for-sale securities	4	(1)
Unrealized gains/(losses) on cash flow hedges:
Unrealized gains/(losses) arising during the period	88	360
Reclassification of (gains)/losses to net income	(1)	(56)
Total unrealized gains/(losses) on cash flow hedges	87	305
Retirement-related benefit plans:
Prior service costs/(credits)	1	33
Net (losses)/gains arising during the period	32	(15)
Curtailments and settlements	4
Amortization of prior service (credits)/costs	(29)	(30)
Amortization of net (gains)/losses	649	886
Total retirement-related benefit plans	656	875
Other comprehensive income/(loss), before tax	687	773
Income tax (expense)/benefit related to items of other comprehensive income	(241)	(480)
Other comprehensive income/(loss)	446	293
Total comprehensive income/(loss)	$ 2,830	$ 3,325