Condensed Consolidated Statements of Stockholders Equity - USD ($) $ in Millions	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Treasury Stock, Common
Stockholders' Equity Attributable to Parent	$ 7,081	$ 1	$ 2,502	$ 8,169	$ (1,871)	$ (1,720)
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	7,171
Noncontrolling interest	90
Net income	252
Other Comprehensive Income (Loss), Net of Tax	410				410
Dividends, Common Stock, Cash	(53)			(53)
Treasury Stock, Value, Acquired, Cost Method	(67)					67
Stock Issued During Period, Value, Treasury Stock Reissued	(3)		(4)	(32)		(31)
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders	(1)
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	253
Net Income (Loss) Attributable to Noncontrolling Interest	1
Stockholders' Equity Attributable to Parent	7,626	1	2,506	8,336	(1,461)	(1,756)
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	7,716
Noncontrolling interest	90
Stockholders' Equity Attributable to Parent	9,081	1	2,544	8,805	(369)	(1,900)
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	9,171
Noncontrolling interest	90
Net income	210
Other Comprehensive Income (Loss), Net of Tax	244				244
Dividends, Common Stock, Cash	(56)			(56)
Treasury Stock, Value, Acquired, Cost Method	(16)					16
Stock Issued During Period, Value, Treasury Stock Reissued	(5)		(5)	(25)		(25)
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders	(2)
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	212
Net Income (Loss) Attributable to Noncontrolling Interest	2
Stockholders' Equity Attributable to Parent	9,468	$ 1	$ 2,549	$ 8,934	$ (125)	$ (1,891)
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	9,558
Noncontrolling interest	$ 90