v2.4.0.6

Noncontrolling Interests (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013		Mar. 31, 2012
Activity for equity attributable to noncontrolling interests
Beginning Balance	$ 48,427		$ 65,749
Net Income	2,153		2,955
Dividends paid	(815)		(843)
Repurchase of company common stock			(1,899)
Distributions to noncontrolling interests	(17)		(19)
Other	(508)	[1]	1,115	[1]
Ending Balance	49,240		67,058
Common Stockholders' Equity [Member]
Activity for equity attributable to noncontrolling interests
Beginning Balance	47,987		65,239
Net Income	2,139		2,937
Dividends paid	(815)		(843)
Repurchase of company common stock			(1,899)
Other	(508)	[1]	1,115	[1]
Ending Balance	48,803		66,549
Noncontrolling Interest [Member]
Activity for equity attributable to noncontrolling interests
Beginning Balance	440		510
Net Income	14		18
Distributions to noncontrolling interests	(17)		(19)
Ending Balance	$ 437		$ 509
[1] *Includes components of other comprehensive income, which are disclosed separately in the Consolidated Statement of Comprehensive Income.

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