Consolidated Statements of Comprehensive Income (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Net income	$ 239	$ 159	$ 573	$ 427
Other comprehensive (loss) income:
Fair market value adjustment on cash flow hedges, net of income tax provision (benefit) of $(1) million, $1 million, and $(1) million	(1)		1	(2)
Reclassification adjustment for net realized losses on cash flow hedges included in interest expense, net of income tax provision of $1 million, $1 million, $4 million and $4 million	2	2	6	7
Foreign currency translation	(9)	2	(4)	(8)
Total other comprehensive (loss) income	(8)	4	3	(3)
Comprehensive income	$ 231	$ 163	$ 576	$ 424