Goodwill and Intangible Assets, Net (Schedule of Finite-Lived Intangible Assets, Net) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014		Jun. 30, 2013	Dec. 31, 2013
Gross Asset Value
Acquisitions			$ 10	[1]
Exchange rate changes			(5)
Gross asset value	651		651			646
Accumulated Amortization
Amortization	(5)	(9)	(11)		(20)
Exchange rate changes			4
Accumulated amortization	(594)		(594)			(587)
Net book value	57		57
Weighted average life of intangible assets acquired			27 years
Licenses [Member]
Gross Asset Value
Acquisitions			0
Exchange rate changes			(1)
Gross asset value	32		32			33
Accumulated Amortization
Amortization			(2)
Exchange rate changes			0
Accumulated amortization	(22)		(22)			(20)
Net book value	10		10
Customer-Related Intangible Assets [Member]
Gross Asset Value
Acquisitions			0
Exchange rate changes			(4)
Gross asset value	540		540			544
Accumulated Amortization
Amortization			(7)
Exchange rate changes			4
Accumulated amortization	(524)		(524)			(521)
Net book value	16		16
Developed Technology [Member]
Gross Asset Value
Acquisitions			0
Exchange rate changes			0
Gross asset value	30		30			30
Accumulated Amortization
Amortization			(1)
Exchange rate changes			0
Accumulated amortization	(22)		(22)			(21)
Net book value	8		8
Covenants Not to Compete and Other [Member]
Gross Asset Value
Acquisitions			10
Exchange rate changes			0
Gross asset value	49		49			39
Accumulated Amortization
Amortization			(1)
Exchange rate changes			0
Accumulated amortization	(26)		(26)			(25)
Net book value	$ 23		$ 23

[1] Primarily represents intangible assets acquired related to Fairway with a weighted average amortization period of 27 years (Note 4).