Condensed Consolidated and Combined Statements of Comprehensive Income (Unaudited) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013		Jun. 30, 2012
Statement of Other Comprehensive Income [Abstract]
Net income	$ 46	$ 89	$ 87		$ 152
Other comprehensive income, before tax:
Foreign currency translation adjustment	(21)	(70)	(64)		(21)
Net change in cash flow hedges:
Unrealized (losses) gains	0	(2)	(2)	[1]	2	[1]
Cash Flow Hedge Gain (Loss) Reclassified to Earnings, Net	0	(1)	(1)		(1)
Amount of gain reclassified into net income			0	[1]	(1)	[1]
Net change in postretirement benefit plans:
Amortization of net actuarial loss	5	3	9		5
Settlement	0	0	0		2
Other comprehensive loss, before tax	(16)	(70)	(58)		(13)
Income tax expense related to items of other comprehensive income	1	1	2		3
Other comprehensive loss, net of tax	(17)	(71)	(60)		(16)
Comprehensive income	$ 29	$ 18	$ 27		$ 136

[1] Effective portion