CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (Unaudited) - USD ($) $ in Millions	Total	Common Shares ($1 par value)	Paid-In Capital	Retained Earnings (Deficit)	Accumulated Other Comprehensive Loss	Noncontrolling Interest
Balance at Dec. 31, 2014	$ 1,128	$ 345	$ 0	$ 690	$ (111)	$ 204
Increase (Decrease) in Stockholders' Equity
Total comprehensive income (loss)	251			280	(48)	19
Shares issued	(9)	3	(12)
Shares retired:
Repurchased	(407)	(15)	(29)	(363)
Surrendered (non-cash)	(18)	(1)		(17)
Cash dividends declared	(94)			(94)
Dividend payment to noncontrolling interest	(36)					(36)
Stockholders' Equity Note, Spinoff Transaction	(828)			(828)
Stock-based compensation	41		41
Balance at Sep. 30, 2015	28	332	0	(332)	(159)	187
Balance at Dec. 31, 2015	58	330	0	(300)	(165)	193
Increase (Decrease) in Stockholders' Equity
Total comprehensive income (loss)	427			393	(5)	39
Shares issued	(24)	3	(27)
Shares retired:
Repurchased	(252)	(8)	(8)	(236)
Surrendered (non-cash)	(14)			(14)
Cash dividends declared	(96)			(96)
Dividend payment to noncontrolling interest	(31)					(31)
Stock-based compensation	35		35
Balance at Sep. 30, 2016	$ 103	$ 325	$ 0	$ (253)	$ (170)	$ 201