Goodwill and Intangible Assets, Net (Schedule of Intangible Assets, Net) (Details) (USD $) In Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010	Dec. 31, 2010
Gross Asset Value
Acquisitions (Note 3)			$ 7
Exchange rate changes			38
Gross asset value	732		732		687
Accumulated Amortization
Amortization	(17)	(15)	(33)	(30)
Exchange rate changes			(26)
Accumulated amortization	(494)		(494)		(435)
Net book value	238		238		252
Trademarks and Trade Names [Member]
Gross Asset Value
Acquisitions (Note 3)			0
Exchange rate changes			4
Gross asset value	92		92		88
Accumulated Amortization
Amortization			0
Exchange rate changes			0
Accumulated amortization	(5)		(5)		(5)
Net book value	87		87
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			1
Accumulated amortization	(11)		(11)		(10)
Net book value	20		20
Customer-Related Intangible Assets [Member]
Gross Asset Value
Acquisitions (Note 3)			0
Exchange rate changes			34
Gross asset value	560		560		526
Accumulated Amortization
Amortization			(28)
Exchange rate changes			(25)
Accumulated amortization	(448)		(448)		(395)
Net book value	112		112
Developed Technology [Member]
Gross Asset Value
Acquisitions (Note 3)			7
Exchange rate changes			0
Gross asset value	27		27		20
Accumulated Amortization
Amortization			(1)
Exchange rate changes			(1)
Accumulated amortization	(13)		(13)		(11)
Net book value	14		14
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			(2)
Exchange rate changes			(1)
Accumulated amortization	(17)		(17)		(14)
Net book value	$ 5		$ 5