Summary of Investments in Affiliates (Detail) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2016		Dec. 31, 2015
Schedule Of Investments [Line Items]
Our Investment		$ 286		$ 324
Our Portion of Debt		392		412
Total Debt		1,215		1,269
Distributions received	[1]	52		133
European Joint Venture
Schedule Of Investments [Line Items]
Our Investment		227		251
Our Portion of Debt		236		252
Total Debt		744		797
Distributions received	[1]	$ 18		$ 115	[2]
Assets		Ten hotels in Europe		Ten hotels in Europe
European Joint Venture | Lower Limit
Schedule Of Investments [Line Items]
Investment ownership percentage		32.10%		32.10%
European Joint Venture | Upper Limit
Schedule Of Investments [Line Items]
Investment ownership percentage		33.40%		33.40%
Asia/Pacific Joint Venture
Schedule Of Investments [Line Items]
Investment ownership percentage		25.00%		25.00%
Our Investment		$ 17		$ 25
Distributions received	[1],[3]	$ 9
Assets		A 36% interest in five operating hotels and two hotels in final stages of completion in India		A 36% interest in five operating hotels and two hotels under development in India
Maui JV
Schedule Of Investments [Line Items]
Investment ownership percentage		67.00%		67.00%
Our Investment		$ 81		$ 72
Our Portion of Debt		27		45
Total Debt		$ 41		$ 68
Assets		131-unit vacation ownership project in Maui, HI		131-unit vacation ownership project in Maui, HI
Hyatt Place JV
Schedule Of Investments [Line Items]
Investment ownership percentage		50.00%		50.00%
Our Investment		$ (12)		$ 3
Our Portion of Debt		30		15
Total Debt		60		31
Distributions received	[1]	$ 17	[4]	$ 8
Assets		One hotel in Nashville, TN		One hotel in Nashville, TN
Harbor Beach JV
Schedule Of Investments [Line Items]
Investment ownership percentage		49.90%		49.90%
Our Investment		$ (24)		$ (21)
Our Portion of Debt		75		75
Total Debt		149		149
Distributions received	[1]	$ 6		$ 8
Assets		One hotel in Fort Lauderdale, FL		One hotel in Fort Lauderdale, FL
Philadelphia Marriott Downtown JV
Schedule Of Investments [Line Items]
Investment ownership percentage		11.00%		11.00%
Our Investment		$ (6)		$ (6)
Our Portion of Debt		24		25
Total Debt		221		224
Distributions received	[1]	$ 2		$ 2
Assets		One hotel in Philadelphia, PA		One hotel in Philadelphia, PA
Fifth Wall Ventures
Schedule Of Investments [Line Items]
Our Investment		$ 3
Assets		Real estate industry technology investment

[1] Distributions received were funded by cash from operations unless otherwise noted.

[2] Ninety-two percent of the 2015 distributions received from the Euro JV were funded by proceeds from the disposition of nine hotels, discussed below, while the remaining was funded with cash from operations.

[3] Distributions received from the Asia/Pacific JV in 2016 were primarily related to the sale of the Four Points by Sheraton Perth in 2015.

[4] Distributions received from the Hyatt Place JV include $14 million of loan refinancing proceeds.