CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2012		Mar. 31, 2011
Net income	$ 3,066	[1]	$ 2,863
Other comprehensive income/(loss), before tax:
Foreign currency translation adjustments	387		477
Net changes related to available-for-sale securities
Unrealized gains/(losses) arising during the period	6		(7)
Reclassification of (gains)/losses to net income	(14)		(203)
Subsequent changes in previously impaired securities arising during the period	18		11
Total net changes related to available-for-sale securities	10		(199)
Unrealized gains/(losses) on cash flow hedges
Unrealized gains/(losses) arising during the period	51		(237)
Reclassification of (gains)/losses to net income	(24)		101
Total unrealized gains/(losses) on cash flow hedges	27		(136)
Retirement-related benefit plans
Prior service costs/(credits)	0		(1)
Net (losses)/gains arising during the period	(6)		20
Curtailments and settlements	0		9
Amortization of prior service (credits)/cost	(37)		(39)
Amortization of net (gains)/losses	619		473
Total retirement-related benefit plans	576		464	[1]
Other comprehensive income/(loss), before tax	1,000		606
Income tax (expense)/benefit related to items of other comprehensive income	(229)		20
Other comprehensive income/(loss)	770	[1]	624	[1]
Total comprehensive income	$ 3,837	[1]	$ 3,487

[1] Amounts may not add due to rounding.