Acquisitions and Dispositions - Dispositions and Planned Dispositions (Details) $ in Millions	1 Months Ended
	Apr. 28, 2016 USD ($) property	Mar. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Current assets of dispositions		$ 78	$ 78
Miami Beach EDITION Hotel
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Current assets of dispositions		31
Current liabilities of dispositions		2
Assets held for sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Current assets of dispositions		78
Accrued expenses and other
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Current liabilities of dispositions		$ 3
Subsequent Event | North American, plot of land | North American Limited-Service Segment
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of properties sold | property	1
Current assets of dispositions	$ 47
Current liabilities of dispositions	$ 1