Consolidated Statements Of Stockholders' Equity (USD $) In Millions	Common Stock [Member]	Treasury Stock [Member]	Additional Paid-In Capital [Member]	Retained Earnings/(Accumulated Deficit) [Member]	Accumulated Other Comprehensive Income [Member]	Total
Balance at Dec. 31, 2009	$ 2	$ (870)	$ 3,733	$ (315)	$ 138	$ 2,688
Balance, shares at Dec. 31, 2009	206	(27)
Comprehensive Income
Net income				145		145
Currency translation adjustment, net of tax					(42)	(42)
Reclassification of unrealized loss on cash flow hedge, net of tax benefit					8
Unrealized gains on cash flow hedges, net of tax					1	9	[1]
Total comprehensive income						112
Exercise of stock options, shares	1
Exercise of stock options			16			16
Issuance of shares for RSU vesting, shares	2
Repurchase of common stock, value		(71)				(71)
Repurchase of common stock, shares		(3)
Change in excess tax benefit on equity awards			10			10
Dividends				(45)		(45)
Balance at Jun. 30, 2010	2	(941)	3,759	(215)	105	2,710
Balance, shares at Jun. 30, 2010	209	(30)
Balance at Dec. 31, 2010	2	(1,107)	3,892	(25)	155	2,917
Balance, shares at Dec. 31, 2010	210	(37)
Comprehensive Income
Net income				186		186
Currency translation adjustment, net of tax					28	28
Unrealized gains on cash flow hedges, net of tax					2	2
Total comprehensive income						216
Exercise of stock options, shares			10			10
Issuance of shares for RSU vesting, shares	2
Change in deferred compensation			(9)			(9)
Repurchase of warrants			(112)			(112)
Repurchase of common stock, value		(373)				(373)
Repurchase of common stock, shares		(11)
Change in excess tax benefit on equity awards			17			17
Dividends				(52)		(52)
Balance at Jun. 30, 2011	$ 2	$ (1,480)	$ 3,798	$ 109	$ 185	$ 2,614
Balance, shares at Jun. 30, 2011	212	(48)

[1] Primarily represents the reclassification of an after-tax unrealized loss associated with the termination of an interest rate swap agreement in connection with the early extinguishment of the term loan facility (see Note 6 - Long-Term Debt and Borrowing Arrangements).