Statement of Shareholders Equity Statement - USD ($) $ in Millions	Total	Common Stock [Member]	Treasury Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]
Common Stock, Shares, Outstanding		153,000,000
Common Stock, Amount, Outstanding		$ 153.0
Treasury Stock, Shares			16,000,000
Treasury Stock, amount			$ (378.0)
Additional paid-in capital				$ 458.0
Retained earnings					$ 1,613.0
Accumulated comprehensive loss						$ (146.0)
Total stockholders' equity	$ 1,700.0
Net income	27.0				27.0
Dividends paid	(17.0)				(17.0)
Issuance of shares under stock plans			0
Issuance of shares under stock plans, amount	$ 0.0		$ 8.0	8.0
Share-based Payment Arrangement, Shares Withheld for Tax Withholding Obligation	(4,000,000)		(4,000,000)
Common stock, Shares acquired		(12,000,000)
Common stock, Value, Shares acquired	$ (438.0)	$ (12.0)	$ (38.0)	(80.0)	(308.0)
Treasury Stock, Shares, Acquired			2,000,000
Compensation expense associated with stock-based compensation	2.0			2.0
Other comprehensive income	2.0					2.0
Net income	46.0
Common Stock, Shares, Outstanding		141,000,000
Common Stock, Amount, Outstanding		$ 141.0
Treasury Stock, Shares			18,000,000
Treasury Stock, amount			$ (412.0)
Additional paid-in capital				373.0
Retained earnings					1,314.0
Accumulated comprehensive loss						(144.0)
Total stockholders' equity	1,273.0
Net income	17.0				17.0
Dividends paid	(17.0)				(17.0)
Issuance of shares under stock plans			0
Issuance of shares under stock plans, amount	1.0		$ 2.0	1.0
Share-based Payment Arrangement, Shares Withheld for Tax Withholding Obligation			0
Compensation expense associated with stock-based compensation				2.0
Other comprehensive income	2.0					2.0
Common Stock, Shares, Outstanding		141,000,000
Common Stock, Amount, Outstanding		$ 141.0
Treasury Stock, Shares			18,000,000
Treasury Stock, amount			$ (410.0)
Additional paid-in capital				374.0
Retained earnings					1,315.0
Accumulated comprehensive loss						(143.0)
Total stockholders' equity	1,278.0
Net income	2.0				2.0
Dividends paid	(16.0)				(16.0)
Issuance of shares under stock plans			0
Issuance of shares under stock plans, amount	1.0		$ 2.0	3.0
Common stock, Shares acquired		(6,000,000)
Common stock, Value, Shares acquired		$ (6.0)			(116.0)
Treasury Stock, Shares, Acquired			0
Treasury Stock, Value, Acquired, Cost Method	42.0		$ 0.0
Compensation expense associated with stock-based compensation	2.0			2.0
APIC, Share-based Payment Arrangement, Restricted Stock Unit, Increase for Cost Recognition				80.0
Other comprehensive income	(9.0)					(9.0)
Common Stock, Shares, Outstanding		135,000,000
Common Stock, Amount, Outstanding		$ 135.0
Treasury Stock, Shares			18,000,000
Treasury Stock, amount			$ (408.0)
Additional paid-in capital				453.0
Retained earnings					1,185.0
Accumulated comprehensive loss	(152.0)					(152.0)
Total stockholders' equity	$ 1,213.0
Common Stock, Shares, Outstanding	111,945,021	130,000,000
Common Stock, Amount, Outstanding		$ 130.0
Treasury Stock, Shares			18,000,000
Treasury Stock, amount	$ 406.0		$ (406.0)
Additional paid-in capital	454.0			454.0
Retained earnings	966.0				966.0
Accumulated comprehensive loss	(153.0)					(153.0)
Total stockholders' equity	991.0
Net income	33.0				33.0
Dividends paid	(16.0)				(16.0)
Issuance of shares under stock plans			0
Issuance of shares under stock plans, amount	$ 0.0		$ 8.0	8.0
Share-based Payment Arrangement, Shares Withheld for Tax Withholding Obligation	(4,000,000)		(4,000,000)
Compensation expense associated with stock-based compensation	$ 2.0			2.0
Other comprehensive income	(22.0)					(22.0)
Net income	243.0
Temporary Equity, Accretion to Redemption Value, Adjustment	(2.0)
Common Stock, Shares, Outstanding		130,000,000
Common Stock, Amount, Outstanding		$ 130.0
Treasury Stock, Shares			18,000,000
Treasury Stock, amount			$ (402.0)
Additional paid-in capital				448.0
Retained earnings					983.0
Accumulated comprehensive loss						(175.0)
Total stockholders' equity	984.0
Net income	33.0				33.0
Dividends paid	(17.0)				(17.0)
Issuance of shares under stock plans			(1,000,000)
Issuance of shares under stock plans, amount	1.0		$ 2.0	1.0
Compensation expense associated with stock-based compensation	1.0			1.0
Temporary Equity, Accretion to Redemption Value, Adjustment	(2.0)
Other comprehensive income	0.0					0.0
Common Stock, Shares, Outstanding		130,000,000
Common Stock, Amount, Outstanding		$ 130.0
Treasury Stock, Shares			17,000,000
Treasury Stock, amount			$ (400.0)
Additional paid-in capital				446.0
Retained earnings					999.0
Accumulated comprehensive loss						(175.0)
Total stockholders' equity	1,000.0
Net income	177.0				177.0
Dividends paid	(16.0)				(16.0)
Issuance of shares under stock plans			0
Issuance of shares under stock plans, amount	0.0		$ 1.0	1.0
Common stock, Shares acquired		(1,000,000)
Common stock, Value, Shares acquired		$ (1.0)			(28.0)
Treasury Stock, Value, Acquired, Cost Method	29.0
Compensation expense associated with stock-based compensation	$ 5.0			5.0
Other comprehensive income						5.0
Common Stock, Shares, Outstanding	112,170,565	129,000,000
Common Stock, Amount, Outstanding		$ 129.0
Treasury Stock, Shares			17,000,000
Treasury Stock, amount	$ 399.0		$ (399.0)
Additional paid-in capital	450.0			$ 450.0
Retained earnings	1,132.0				$ 1,132.0
Accumulated comprehensive loss	(170.0)					$ (170.0)
Total stockholders' equity	$ 1,142.0