Goodwill and Intangible Assets, Net (Schedule of Intangible Assets, Net) (Details) (USD $) In Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010	Dec. 31, 2010
Gross Asset Value
Acquisitions (Note 3)			$ 7
Exchange rate changes			6
Gross asset value	700		700		687
Accumulated Amortization
Amortization	(17)	(15)	(50)	(45)
Exchange rate changes			(2)
Accumulated amortization	(487)		(487)		(435)
Net book value	213		213		252
Trademarks and Trade Names [Member]
Gross Asset Value
Acquisitions (Note 3)			0
Exchange rate changes			1
Gross asset value	89		89		88
Accumulated Amortization
Amortization			0
Exchange rate changes			0
Accumulated amortization	(5)		(5)		(5)
Net book value	84		84
Licenses [Member]
Gross Asset Value
Acquisitions (Note 3)			0
Exchange rate changes			1
Gross asset value	31		31		30
Accumulated Amortization
Amortization			(2)
Exchange rate changes			0
Accumulated amortization	(12)		(12)		(10)
Net book value	19		19
Customer-Related Intangible Assets [Member]
Gross Asset Value
Acquisitions (Note 3)			0
Exchange rate changes			5
Gross asset value	531		531		526
Accumulated Amortization
Amortization			(42)
Exchange rate changes			(1)
Accumulated amortization	(438)		(438)		(395)
Net book value	93		93
Developed Technology [Member]
Gross Asset Value
Acquisitions (Note 3)			7
Exchange rate changes			0
Gross asset value	27		27		20
Accumulated Amortization
Amortization			(2)
Exchange rate changes			(1)
Accumulated amortization	(14)		(14)		(11)
Net book value	13		13
Covenants Not to Compete and Other [Member]
Gross Asset Value
Acquisitions (Note 3)			0
Exchange rate changes			(1)
Gross asset value	22		22		23
Accumulated Amortization
Amortization			(4)
Exchange rate changes			0
Accumulated amortization	(18)		(18)		(14)
Net book value	$ 4		$ 4