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Vacation Ownership Notes Receivable - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified
 12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Receivables [Abstract]    
Average estimated default rate for the company's pool of receivables 9.20%hot_AverageEstimatedDefaultRateForPoolsOfReceivables 9.30%hot_AverageEstimatedDefaultRateForPoolsOfReceivables
Net adjustment on loan loss reserves $ 22hot_FavorableNetAdjustmentOnLoanLossReserve  
Increase in reserves for new contract sales 24hot_IncreaseInProvisionForNewContractSales  
Favorable adjustment from improved performance in portfolio 2hot_FavorableAdjustmentFromImprovedPerformanceInPortfolio  
Result of change in projected default rate 0.10%hot_ResultOfChangeInProjectedDefaultRate  
Default rate change impact on loan loss reserve 5hot_DefaultRateChangeImpactOnLoanLossReserve  
Maximum outstanding period for note receivable being delinquent 30 days  
Delinquent notes receivable $ 42us-gaap_LoansAndLeasesReceivableImpairedNonperformingNonaccrualOfInterest $ 48us-gaap_LoansAndLeasesReceivableImpairedNonperformingNonaccrualOfInterest
Number of days loan consider to be in default 120 days