Goodwill and Intangible Assets, Net Definite-lived and Indefinite-lived Intangible Assets Table (Details) - USD ($) $ in Millions	Dec. 31, 2017	Dec. 31, 2016
Definite-lived intangible assets: [Abstract]
Gross Carrying Amount	$ 1,570	$ 1,460
Accumulated Amortization	(788)	(686)
Net Carrying Value	782	774
Indefinite-lived intangible assets: [Abstract]
Net Carrying Value	353	342
Intangible assets, net	1,135	1,116
Trademarks and brand names
Indefinite-lived intangible assets: [Abstract]
Net Carrying Value	316	305
Gaming licenses
Indefinite-lived intangible assets: [Abstract]
Net Carrying Value	37	37
Customer relationships
Definite-lived intangible assets: [Abstract]
Gross Carrying Amount	1,084	1,059
Accumulated Amortization	(538)	(471)
Net Carrying Value	546	588
Developed technology
Definite-lived intangible assets: [Abstract]
Gross Carrying Amount	143	142
Accumulated Amortization	(117)	(104)
Net Carrying Value	26	38
In-place leases
Definite-lived intangible assets: [Abstract]
Gross Carrying Amount	121	121
Accumulated Amortization	(92)	(83)
Net Carrying Value	29	38
Gasification technology license
Definite-lived intangible assets: [Abstract]
Gross Carrying Amount	60	60
Accumulated Amortization	(14)	(11)
Net Carrying Value	46	49
Other
Definite-lived intangible assets: [Abstract]
Gross Carrying Amount	162	78
Accumulated Amortization	(27)	(17)
Net Carrying Value	$ 135	$ 61

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

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

+ References

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

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Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit.

+ 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 (b)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16212-109274

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

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