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Goodwill and Intangible Assets, Net Definite-lived and Indefinite-lived Intangible Assets Table (Details) - USD ($) $ in Millions	Mar. 31, 2018	Dec. 31, 2017
Definite-lived intangible assets: [Abstract]
Gross carrying amount of definite-lived intangible assets	$ 1,571	$ 1,570
Accumulated amortization of definite-lived intangible assets	(813)	(788)
Net carrying amount of definite-lived intangible assets	758	782
Indefinite-lived intangible assets: [Abstract]
Net carrying amount of indefinite-lived intangible assets	353	353
Intangible assets, net	1,111	1,135
Trademarks and brand names
Indefinite-lived intangible assets: [Abstract]
Net carrying amount of indefinite-lived intangible assets	316	316
Gaming licenses
Indefinite-lived intangible assets: [Abstract]
Net carrying amount of indefinite-lived intangible assets	37	37
Customer relationships
Definite-lived intangible assets: [Abstract]
Gross carrying amount of definite-lived intangible assets	1,084	1,084
Accumulated amortization of definite-lived intangible assets	(555)	(538)
Net carrying amount of definite-lived intangible assets	529	546
Developed technology
Definite-lived intangible assets: [Abstract]
Gross carrying amount of definite-lived intangible assets	143	143
Accumulated amortization of definite-lived intangible assets	(118)	(117)
Net carrying amount of definite-lived intangible assets	25	26
In-place leases
Definite-lived intangible assets: [Abstract]
Gross carrying amount of definite-lived intangible assets	121	121
Accumulated amortization of definite-lived intangible assets	(95)	(92)
Net carrying amount of definite-lived intangible assets	26	29
Gasification technology license
Definite-lived intangible assets: [Abstract]
Gross carrying amount of definite-lived intangible assets	60	60
Accumulated amortization of definite-lived intangible assets	(14)	(14)
Net carrying amount of definite-lived intangible assets	46	46
Other
Definite-lived intangible assets: [Abstract]
Gross carrying amount of definite-lived intangible assets	163	162
Accumulated amortization of definite-lived intangible assets	(31)	(27)
Net carrying amount of definite-lived intangible assets	$ 132	$ 135

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- Definition

Finite-Lived Intangible Assets, Gross and Net [Abstract]

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Indefinite-Lived Intangible Assets, Gross and Net [Abstract]

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- Definition

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

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Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
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-Section 50
-Paragraph 2
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Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
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Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
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Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-Section 45
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-URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16212-109274

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