Condensed Consolidated Statement of Stockholders' Equity (USD $) In Millions	Total	Common Stock and Additional Paid-in Capital	Retained Earnings	Treasury Stock	Accumulated Other Comprehensive Loss, Net of Tax	Noncontrolling Interests	Comprehensive Income
Balance at Dec. 31, 2010	$ 8,306	$ 4,386	$ 7,861	$ (2,079)	$ (1,917)	$ 55
Balance (in shares) at Dec. 31, 2010		385.9
Increase (Decrease) in Stockholders' Equity
Net income	730		702			28	730
Shares issued - employee benefit plans	80	80
Shares issued - employee benefit plans (in shares)		0.5
Shares purchased	(828)			(828)
Shares reissued - employee benefit plans	(36)	(302)	(36)	302
Tax benefit - employee benefit plans	27	27
Stock compensation expense	179	179
Dividends to stockholders	(150)		(150)
Change in net derivative gains/losses	(14)				(14)		(14)
Net foreign currency translation adjustments	(12)				(11)	(1)	(12)
Net post-retirement benefit obligation	42				42		42
Purchase of subsidiary shares from noncontrolling interests	(24)	(9)				(15)
Dividends paid to noncontrolling interests on subsidiary common stock	(21)					(21)
Comprehensive Income							746
Balance at Sep. 30, 2011	$ 8,279	$ 4,361	$ 8,377	$ (2,605)	$ (1,900)	$ 46
Balance (in shares) at Sep. 30, 2011		386.4