Commitments and Contingencies - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013 Hotel	Dec. 31, 2012 Hotel	Dec. 31, 2011	Dec. 31, 2006 Hotel
Variable Interest Entity [Line Items]
Total number of hotels in which company has variable interest entity	23	23
Number of hotels in which company has an investments and loan balance	22
Loans to owners	$ 3
Unfunded loan commitments expected to be funded in total	18
Unfunded loan commitments	0
Equity and other potential contributions associated with managed or joint venture properties	110
Equity and other potential contributions associated with managed or joint venture properties expected to be funded within one year	54
Surety bonds issued	81
Payment to retain a management contract	3
Number of hotels sold				33
Range of possible loss, minimum	0
Range of possible loss, maximum	41
Legal fees			70
Favorable adjustment to a litigation reserve		11	70
Percentage of U.S. based employees covered by various collective bargaining agreements	25.00%
Estimated insurance claims payable	69	68
Standby letter of credit insurance claims	59	59
Gain in discontinued operations	1	23
Favorable adjustment of litigation reserve [Member]
Variable Interest Entity [Line Items]
Favorable adjustment to a litigation reserve	22	11
VIEs 22 [Member]
Variable Interest Entity [Line Items]
Investment associated with VIEs	116
Loan balance with VIEs	2
VIEs 1 [Member]
Variable Interest Entity [Line Items]
Investment associated with VIEs	1
Possible cash outlays under contracts with performance guarantee	62
VIEs 21 [Member]
Variable Interest Entity [Line Items]
Investment associated with VIEs		109
VIEs 2 [Member]
Variable Interest Entity [Line Items]
Investment associated with VIEs		$ 5