Condensed Consolidated Statement of Stockholders' Equity (USD $) In Millions, unless otherwise specified	Total	Common Stock and Additional Paid-in Capital	Retained Earnings	Treasury Stock	Accumulated Other Comprehensive Loss, Net of Tax	Non-controlling Interests
Balance at Dec. 31, 2011	$ 8,120	$ 4,407	$ 8,594	$ (2,553)	$ (2,370)	$ 42
Balance (in shares) at Dec. 31, 2011	386.4	386.4
Increase (Decrease) in Stockholders' Equity
Net income	249		238			11
Shares issued - employee benefit plans	2	2
Shares purchased	(100)			(100)
Shares reissued - employee benefit plans	(13)	(181)	(13)	181
Tax benefit - employee benefit plans	16	16
Stock compensation expense	55	55
Dividends to stockholders	(49)		(49)
Change in derivative gains/losses	7				7
Foreign currency translation adjustments	104				103	1
Post-retirement benefit obligation	21				21
Purchase of subsidiary shares from and sales to non-controlling interest	5					5
Dividends paid to non-controlling interests on subsidiary common stock	(1)					(1)
Balance at Mar. 31, 2012	$ 8,416	$ 4,299	$ 8,770	$ (2,472)	$ (2,239)	$ 58
Balance (in shares) at Mar. 31, 2012	386.4	386.4