Goodwill and Intangible Assets, Net Definite-lived and Indefinite-lived Intangible Assets Table (Details) - USD ($) $ in Millions	Jun. 30, 2015	Dec. 31, 2014
Definite-lived intangible assets: [Abstract]
Definite-lived intangible assets, Gross Carrying Amount	$ 1,398	$ 1,305
Definite-lived intangible assets, Accumulated Amortization	(557)	(512)
Definite-lived intangible assets, Net Carrying Value	841	793
Indefinite-lived intangible assets: [Abstract]
Indefinite-lived intangible assets, Net Carrying Value	299	295
Intangible assets, net	1,140	1,088
Trademarks and brand names
Indefinite-lived intangible assets: [Abstract]
Indefinite-lived intangible assets, Net Carrying Value	261	257
Gaming licenses
Indefinite-lived intangible assets: [Abstract]
Indefinite-lived intangible assets, Net Carrying Value	38	38
Customer relationships
Definite-lived intangible assets: [Abstract]
Definite-lived intangible assets, Gross Carrying Amount	1,029	957
Definite-lived intangible assets, Accumulated Amortization	(375)	(345)
Definite-lived intangible assets, Net Carrying Value	654	612
Developed technology
Definite-lived intangible assets: [Abstract]
Definite-lived intangible assets, Gross Carrying Amount	140	120
Definite-lived intangible assets, Accumulated Amortization	(85)	(77)
Definite-lived intangible assets, Net Carrying Value	55	43
In-place leases
Definite-lived intangible assets: [Abstract]
Definite-lived intangible assets, Gross Carrying Amount	121	121
Definite-lived intangible assets, Accumulated Amortization	(68)	(63)
Definite-lived intangible assets, Net Carrying Value	53	58
Gasification technology license
Definite-lived intangible assets: [Abstract]
Definite-lived intangible assets, Gross Carrying Amount	60	60
Definite-lived intangible assets, Accumulated Amortization	(8)	(7)
Definite-lived intangible assets, Net Carrying Value	52	53
Other
Definite-lived intangible assets: [Abstract]
Definite-lived intangible assets, Gross Carrying Amount	48	47
Definite-lived intangible assets, Accumulated Amortization	(21)	(20)
Definite-lived intangible assets, Net Carrying Value	$ 27	$ 27