Goodwill and Intangible Assets, Net Definite-lived and Indefinite-lived Intangible Assets Table (Details) (USD $) In Millions, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Definite-lived intangible assets: [Abstract]
Definite-lived intangible assets, Gross Carrying Amount	$ 1,267	$ 1,270
Definite-lived intangible assets, Accumulated Amortization	(397)	(355)
Definite-lived intangible assets, Net Carrying Value	870	915
Indefinite-lived intangible assets: [Abstract]
Indefinite-lived intangible assets, Net Carrying Value	289	291
Intangible assets, net	1,159	1,206
Trademarks and brand names
Indefinite-lived intangible assets: [Abstract]
Indefinite-lived intangible assets, Net Carrying Value	260	262
Gaming licenses
Indefinite-lived intangible assets: [Abstract]
Indefinite-lived intangible assets, Net Carrying Value	29	29
Customer relationships
Definite-lived intangible assets: [Abstract]
Definite-lived intangible assets, Gross Carrying Amount	919	921
Definite-lived intangible assets, Accumulated Amortization	(267)	(238)
Definite-lived intangible assets, Net Carrying Value	652	683
Developed technology
Definite-lived intangible assets: [Abstract]
Definite-lived intangible assets, Gross Carrying Amount	120	121
Definite-lived intangible assets, Accumulated Amortization	(62)	(57)
Definite-lived intangible assets, Net Carrying Value	58	64
In-place leases
Definite-lived intangible assets: [Abstract]
Definite-lived intangible assets, Gross Carrying Amount	121	121
Definite-lived intangible assets, Accumulated Amortization	(48)	(43)
Definite-lived intangible assets, Net Carrying Value	73	78
Gasification technology license
Definite-lived intangible assets: [Abstract]
Definite-lived intangible assets, Gross Carrying Amount	60	60
Definite-lived intangible assets, Accumulated Amortization	(3)	(2)
Definite-lived intangible assets, Net Carrying Value	57	58
Other
Definite-lived intangible assets: [Abstract]
Definite-lived intangible assets, Gross Carrying Amount	47	47
Definite-lived intangible assets, Accumulated Amortization	(17)	(15)
Definite-lived intangible assets, Net Carrying Value	$ 30	$ 32