CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME (USD $) In Millions, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 30, 2013		Jun. 30, 2012		Jun. 30, 2013		Jun. 30, 2012
CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME
Net income	$ 3,226		$ 3,881		$ 6,258		$ 6,948
Other comprehensive income/(loss), before tax
Foreign currency translation adjustments	(936)		(724)		(1,341)		(337)
Net changes related to available-for-sale securities:
Unrealized gains/(losses) arising during the period	0		(3)		(2)		3
Reclassification of (gains)/losses to net income	0		(2)		0		(16)
Subsequent changes in previously impaired securities arising during the period	0		9		1		27
Total net changes related to available-for-sale securities	0		4		(1)		14
Unrealized gains/(losses) on cash flow hedges:
Unrealized gains/(losses) arising during the period	(10)		68		350		119
Reclassification of (gains)/losses to net income	(47)		(111)		(103)		(135)
Total unrealized gains/(losses) on cash flow hedges	(57)		(42)	[1]	247		(16)
Retirement-related benefit plans:
Prior service costs/(credits)	0		0		33		0
Net (losses)/gains arising during the period	210		70		195		65
Curtailments and settlements	0		0		0		0
Amortization of prior service (credits)/costs	(28)		(37)		(58)		(74)
Amortization of net (gains)/losses	864		613		1,750		1,232
Total retirement-related benefit plans	1,045	[1]	647	[1]	1,920		1,223
Other comprehensive income/(loss), before tax	53	[1]	(115)		826	[1]	884
Income tax (expense)/benefit related to items of other comprehensive income	(361)		(268)		(842)		(497)
Other comprehensive income/(loss)	(309)	[1]	(383)		(16)		387
Total comprehensive income/(loss)	$ 2,917		$ 3,498		$ 6,242		$ 7,335

[1] Amounts may not add due to rounding.