CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (UNAUDITED) (USD $) In Millions, unless otherwise specified	3 Months Ended				9 Months Ended
	Sep. 30, 2014		Sep. 30, 2013		Sep. 30, 2014		Sep. 30, 2013
Statement of Comprehensive Income [Abstract]
Net income	$ 192		$ 143		$ 346		$ 247
Other comprehensive (loss) income, net of tax:
Foreign currency translation adjustments	(51)		21		(54)		(31)
Other comprehensive (loss) income	(51)		21		(54)		(31)
Comprehensive income	$ 141	[1]	$ 164	[1]	$ 292	[1]	$ 216	[1]

[1] There were no material reclassifications from accumulated other comprehensive (loss) income reflected in other comprehensive (loss) income during 2014 or 2013. There is no tax impact related to the foreign currency translation adjustments, as the earnings are considered permanently reinvested. There were no material taxes associated with other comprehensive (loss) income during 2014 or 2013.