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	$ 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
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	212
Net income 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
Stockholders' Equity Attributable to Parent	10,816	1	2,600	9,255	849	(1,889)
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	10,906
Noncontrolling interest	90
Net income	286
Other Comprehensive Income (Loss), Net of Tax	389
Dividends, Common Stock, Cash	(59)			(59)
Treasury Stock, Value, Acquired, Cost Method	(38)					38
Stock Issued During Period, Value, Treasury Stock Reissued	(8)		(8)	(39)		(39)
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders	(2)
Net income	288
Net income attributable to noncontrolling interest	2
Stockholders' Equity Attributable to Parent	11,402	$ 1	$ 2,608	$ 9,443	$ 1,238	$ (1,888)
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	11,492
Noncontrolling interest	$ 90