CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (Unaudited) - USD ($) $ in Millions	Total	Common Shares ($1 par value)	Paid-In Capital	Retained Deficit	Accumulated Other Comprehensive Loss	Noncontrolling Interest
Balance at Dec. 31, 2015	$ 58	$ 330	$ 0	$ (300)	$ (165)	$ 193
Increase (Decrease) in Stockholders' Equity
Total comprehensive income	146			109	20	17
Shares issued	(6)	2	(8)
Shares retired:
Repurchased	(86)	(3)	(7)	(76)
Surrendered (non-cash)	(11)			(11)
Cash dividends declared	(32)			(32)
Stock-based compensation	15		15
Balance at Mar. 31, 2016	84	329	0	(310)	(145)	210
Balance at Dec. 31, 2016	(103)	318	0	(381)	(235)	195
Increase (Decrease) in Stockholders' Equity
Total comprehensive income	175			140	21	14
Shares issued	(1)	1	(2)
Shares retired:
Repurchased	(92)	(3)	(5)	(84)
Surrendered (non-cash)	(13)			(13)
Cash dividends declared	(32)			(32)
Stock-based compensation	7		7
Balance at Mar. 31, 2017	$ (59)	$ 316	$ 0	$ (370)	$ (214)	$ 209