Goodwill and Intangible Assets, Net (Schedule of Finite-Lived Intangible Assets, Net) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012	Dec. 31, 2011
Gross Asset Value
Acquisitions (Note 4)	$ 7	[1]	$ 15
Exchange rate changes	20		8
Gross asset value	646		619	596
Accumulated Amortization
Amortization	(32)		(51)	(62)
Exchange rate changes	(19)		(7)
Accumulated amortization	(587)		(536)	(478)
Net book value	59
Weighted average life of intangible assets acquired	29 years
Licenses [Member]
Gross Asset Value
Acquisitions (Note 4)	0		0
Exchange rate changes	1		0
Gross asset value	33		32	32
Accumulated Amortization
Amortization	(3)		(3)
Exchange rate changes	(1)		0
Accumulated amortization	(20)		(16)	(13)
Net book value	13
Customer-Related Intangible Assets [Member]
Gross Asset Value
Acquisitions (Note 4)	0		4
Exchange rate changes	19		8
Gross asset value	544		525	513
Accumulated Amortization
Amortization	(23)		(40)
Exchange rate changes	(18)		(7)
Accumulated amortization	(521)		(480)	(433)
Net book value	23
Developed Technology [Member]
Gross Asset Value
Acquisitions (Note 4)	0		3
Exchange rate changes	0		0
Gross asset value	30		30	27
Accumulated Amortization
Amortization	(4)		(3)
Exchange rate changes	0		0
Accumulated amortization	(21)		(17)	(14)
Net book value	9
Covenants Not to Compete and Other [Member]
Gross Asset Value
Acquisitions (Note 4)	7		8
Exchange rate changes	0		0
Gross asset value	39		32	24
Accumulated Amortization
Amortization	(2)		(5)
Exchange rate changes	0		0
Accumulated amortization	(25)		(23)	(18)
Net book value	$ 14

[1] Weighted average amortization period of intangible assets acquired was 29 years.