CONDENSED CONSOLIDATED STATEMENT OF CHANGES IN ACCUMULATED OTHER COMPREHENSIVE INCOME (USD $) In Millions, unless otherwise specified	3 Months Ended	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2012
Increase (Decrease) in Accumulated Other Comprehensive Income
Balance at beginning of period		$ 54
Reclassification adjustments		6
Deferred loss on cash flow hedges, net of tax		(28)
Currency translation adjustment		(27)
Total period activity	(108)	(49)
Balance at end of period	5	5
Derivative Instruments
Increase (Decrease) in Accumulated Other Comprehensive Income
Balance at beginning of period		(102)
Reclassification adjustments		6
Deferred loss on cash flow hedges, net of tax		(28)
Total period activity		(22)
Balance at end of period	(124)	(124)
Translation Adjustments
Increase (Decrease) in Accumulated Other Comprehensive Income
Balance at beginning of period		156
Currency translation adjustment		(27)
Total period activity		(27)
Balance at end of period	$ 129	$ 129