Equity Method Investments (Carrying Value and Ownership Percentages of Equity Method Investments) (Details) - USD ($) $ in Millions	Dec. 31, 2015	Dec. 31, 2014
Schedule of Equity Method Investments
Investment Balance	$ 304	$ 311
Wailea Hotel Holdings, L.L.C.
Schedule of Equity Method Investments
Ownership Interests	66.60%
Investment Balance	$ 125	136
Juniper Hotels Private Limited
Schedule of Equity Method Investments
Ownership Interests	50.00%
Investment Balance	$ 44	34
Playa Hotels & Resorts B.V.
Schedule of Equity Method Investments
Ownership Interests	23.70%
Investment Balance	$ 28	45
Desarrolladora Hotel Acueducto S. de R.L. de C.V.
Schedule of Equity Method Investments
Ownership Interests	50.00%
Investment Balance	$ 15	8
Hotel Hoyo Uno, S. de R.L. de C.V.
Schedule of Equity Method Investments
Ownership Interests	40.00%
Investment Balance	$ 14	20
San Jose Hotel Partners, L.L.C.
Schedule of Equity Method Investments
Ownership Interests	40.00%
Investment Balance	$ 12	0
Other
Schedule of Equity Method Investments
Investment Balance	$ 66	$ 68

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=35755396&loc=d3e33749-111570

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.12)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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No definition available.

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