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Financing Receivables - Aged Analysis of Gross Timeshare Financing Receivables (Details) (USD $)
In Millions, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Receivables [Abstract]    
Current $ 980us-gaap_FinancingReceivableRecordedInvestmentCurrent $ 948us-gaap_FinancingReceivableRecordedInvestmentCurrent
30 - 89 days past due 13hlt_FinancingReceivableRecordedInvestmentThirtytoEightyNineDaysPastDue 14hlt_FinancingReceivableRecordedInvestmentThirtytoEightyNineDaysPastDue
90 - 119 days past due 2hlt_FinancingReceivableRecordedInvestmentNinetytoOneHundredNineteenDaysPastDue 4hlt_FinancingReceivableRecordedInvestmentNinetytoOneHundredNineteenDaysPastDue
120 days and greater past due 29hlt_FinancingReceivableRecordedInvestmentEqualorGreaterThanOneHundredTwentyDaysPastDue 28hlt_FinancingReceivableRecordedInvestmentEqualorGreaterThanOneHundredTwentyDaysPastDue
Financing Receivable, Gross $ 1,024us-gaap_NotesReceivableGross $ 994us-gaap_NotesReceivableGross