CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME (USD $) In Millions, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 30, 2012		Jun. 30, 2011		Jun. 30, 2012	Jun. 30, 2011
Net income	$ 3,881		$ 3,664		$ 6,948	$ 6,526	[1]
Other comprehensive income/(loss), before tax
Foreign currency translation adjustments	(724)		350		(337)	826
Net changes related to available-for-sale securities:
Unrealized gains/(losses) arising during the period	(3)		(7)		3	(14)
Reclassification of (gains)/losses to net income	(2)		(29)		(16)	(232)
Subsequent changes in previously impaired securities arising during the period	9		0		27	11
Total net changes related to available-for-sale securities	4		(35)	[1]	14	(234)	[1]
Unrealized gains/(losses) on cash flow hedges:
Unrealized gains/(losses) arising during the period	68		(217)		119	(454)
Reclassification of (gains)/losses to net income	(111)		227		(135)	327
Total unrealized gains/(losses) on cash flow hedges	(42)	[1]	10		(16)	(127)
Retirement-related benefit plans:
Prior service costs/(credits)	0		(31)		0	(32)
Net (losses)/gains arising during the period	70		585		65	606
Curtailments and settlements	0		4		0	13
Amortization of prior service (credits)/costs	(37)		(39)		(74)	(77)
Amorization of net (gains)/losses	613		458		1,232	932
Total retirement-related benefit plans	647	[1]	977		1,223	1,441	[1]
Other comprehensive income/(loss), before tax	(115)		1,301	[1]	884	1,906
Income tax (expense)/benefit related to items of other comprehensive income	(268)		(292)		(497)	(272)
Other comprehensive income/(loss)	(383)		1,010	[1]	387	1,634
Total comprehensive income/(loss)	$ 3,498		$ 4,673	[1]	$ 7,335	$ 8,160

[1] Amounts may not add due to rounding.