CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) (Parenthetical) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Other comprehensive income (loss). net of tax:
Change in fair value of derivatives utilized for hedging purposes, tax benefit (expense)	$ 7	$ 5	$ 5	$ (6)
Reclassification of change in fair value of derivatives to net income, tax benefit (expense)	(2)	0	(1)	(1)
Change in foreign currency translation adjustments, tax benefit (expense)	(3)	(4)	4	(4)
Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Tax	$ (2)	$ 0	$ (2)	$ 0