Consolidated Statements of Equity Statement (USD $) In Millions, unless otherwise specified		Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Treasury Stock [Member]	Parent [Member]	Noncontrolling Interest [Member]
Balance as of December 31, 2012 at Dec. 31, 2012		$ 840	$ 412	$ 492	$ 6,525	$ (517)	$ 6,145	$ 767	$ 73
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Comprehensive Income	[1]	1,010			989	16		1,005	5
Dividends		(165)			(159)			(159)	(6)
Noncontrolling interest adjustments	[2]	(21)						0	(21)
Shares repurchases		(500)		(65)			435	(500)
Employee stock plans, net of tax benefit		117		(85)			(202)	117
Change in redemption value of redeemable noncontrolling interest		6			6			6
Other		(16)			(13)			(13)	(3)
Balance as of March 31, 2013 at Jun. 30, 2013		$ 1,271	$ 412	$ 342	$ 7,348	$ (501)	$ 6,378	$ 1,223	$ 48

[1] Excludes $38 million attributable to redeemable noncontrolling interest.

[2] Relates to the write-off of noncontrolling interests related to discontinued operations.