Summary of Significant Accounting Policies (Details 8)	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Non-Controlling Interests
Minority interest percentage in Hilton San Diego Bayfront	25.00%	25.00%	25.00%

The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

No definition available.

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant