Condensed Consolidated Statements of Stockholders' Equity - 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		124,000,000
Common Stock, Amount, Outstanding		$ 124
Treasury Stock, Shares			17,000,000
Treasury Stock, amount			$ (397)
Additional paid-in capital				$ 452
Retained earnings					$ 1,206
Accumulated comprehensive loss	$ (151)					$ (151)
Total stockholders' equity	1,234
Net income	320				320
Dividends paid	(17)				(17)
Issuance of shares under stock plans, amount	$ 0		$ 11	11
Taxes paid related to net settlement of stock-based awards	(6,000,000)		(6,000,000)
Common stock, Value, Shares acquired	$ (122)	$ (2)			(120)
Compensation expense associated with stock-based compensation	1			1
Other comprehensive income	(6)					(6)
Common stock, Shares acquired		(2,000,000)
Net income	1,183
Purchase of stock	(987)
Common Stock, Shares, Outstanding		121,000,000
Common Stock, Amount, Outstanding		$ 121
Treasury Stock, Shares			17,000,000
Treasury Stock, amount			$ (393)
Additional paid-in capital				443
Retained earnings					1,390
Accumulated comprehensive loss						(157)
Total stockholders' equity	1,404
Net income	498				498
Dividends paid	(16)				(16)
Issuance of shares under stock plans, amount	1		$ 2	1
Common stock, Value, Shares acquired	(465)	$ (7)			(458)
Compensation expense associated with stock-based compensation	4			4
Other comprehensive income	8					8
Common stock, Shares acquired		(7,000,000)
Common Stock, Shares, Outstanding		114,000,000
Common Stock, Amount, Outstanding		$ 114
Treasury Stock, Shares			17,000,000
Treasury Stock, amount			$ (390)
Additional paid-in capital				446
Retained earnings					1,413
Accumulated comprehensive loss	(149)					(149)
Total stockholders' equity	1,433
Net income	365				365
Dividends paid	(17)				(17)
Purchase of stock	(399)
Common stock, Value, Shares acquired		$ (7)			(392)
Compensation expense associated with stock-based compensation	5			5
Other comprehensive income	(19)					(19)
Common stock, Shares acquired		(7,000,000)
Common Stock, Shares, Outstanding		107,000,000
Common Stock, Amount, Outstanding		$ 107
Treasury Stock, Shares			17,000,000
Treasury Stock, amount			$ (390)
Additional paid-in capital				451
Retained earnings					1,369
Accumulated comprehensive loss	(168)					(168)
Total stockholders' equity	$ 1,368
Common Stock, Shares, Outstanding	85,636,154	102,000,000
Common Stock, Amount, Outstanding		$ 102
Treasury Stock, Shares			17,000,000
Treasury Stock, amount	$ 390		$ (390)
Additional paid-in capital	458			458
Retained earnings	1,239				1,239
Accumulated comprehensive loss	(174)					(174)
Total stockholders' equity	1,235
Net income	484				484
Dividends paid	(19)				(19)
Issuance of shares under stock plans			(1,000,000)
Issuance of shares under stock plans, amount	$ 0		$ 14	14
Taxes paid related to net settlement of stock-based awards	(15,000,000)		(15,000,000)
Common stock, Value, Shares acquired	$ (104)	$ (2)			(102)
Compensation expense associated with stock-based compensation	7			7
Other comprehensive income	24					24
Common stock, Shares acquired		(2,000,000)
Net income	1,094
Purchase of stock	(900)
Common Stock, Shares, Outstanding		101,000,000
Common Stock, Amount, Outstanding		$ 101
Treasury Stock, Shares			16,000,000
Treasury Stock, amount			$ (391)
Additional paid-in capital				451
Retained earnings					1,601
Accumulated comprehensive loss						(149)
Total stockholders' equity	1,613
Net income	384				384
Dividends paid	(18)				(18)
Issuance of shares under stock plans, amount	$ 2		$ 2
Taxes paid related to net settlement of stock-based awards	(1,000,000)		(1,000,000)
Common stock, Value, Shares acquired	$ (471)	$ 7			(463)
Compensation expense associated with stock-based compensation	7			7
Other comprehensive income	(31)					(31)
Common stock, Shares acquired		(7,000,000)
Common Stock, Shares, Outstanding		94,000,000
Common Stock, Amount, Outstanding		$ 94
Treasury Stock, Shares			16,000,000
Treasury Stock, amount			$ (390)
Additional paid-in capital				457
Retained earnings					1,505
Accumulated comprehensive loss	(181)					(181)
Total stockholders' equity	1,484
Net income	226
Dividends paid	(16)				(16)
Issuance of shares under stock plans			0
Issuance of shares under stock plans, amount	0		$ 0	0
Purchase of stock	(325)				320
Common stock, Value, Shares acquired		$ (6)
Compensation expense associated with stock-based compensation	$ 2			2
Other comprehensive income						(9)
Common stock, Shares acquired		(6,000,000)
Common Stock, Shares, Outstanding	71,690,061	88,000,000
Common Stock, Amount, Outstanding		$ 88
Treasury Stock, Shares			16,000,000
Treasury Stock, amount	$ 390		$ (390)
Additional paid-in capital	459			$ 459
Retained earnings	1,395				$ 1,395
Accumulated comprehensive loss	(190)					$ (190)
Total stockholders' equity	$ 1,361