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Derivative Instruments and Hedging Activities - Additional Information (Details) (USD $)
In Millions, unless otherwise specified
Dec. 31, 2014
Derivative
Designated as hedging instrument [member] | Term loan interest rate swaps [member]  
Derivative [Line Items]  
Derivative, notional amount $ 1,450invest_DerivativeNotionalAmount
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_InterestRateSwapMember
/ us-gaap_HedgingDesignationAxis
= us-gaap_DesignatedAsHedgingInstrumentMember
Derivative, swaption interest rate 1.87%us-gaap_DerivativeSwaptionInterestRate
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_InterestRateSwapMember
/ us-gaap_HedgingDesignationAxis
= us-gaap_DesignatedAsHedgingInstrumentMember
Number of interest rate derivatives held 4us-gaap_NumberOfInterestRateDerivativesHeld
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_InterestRateSwapMember
/ us-gaap_HedgingDesignationAxis
= us-gaap_DesignatedAsHedgingInstrumentMember
Not designated as hedging instrument [member] | Foreign exchange forward contracts [member]  
Derivative [Line Items]  
Derivative, notional amount 28invest_DerivativeNotionalAmount
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_ForeignExchangeForwardMember
/ us-gaap_HedgingDesignationAxis
= us-gaap_NondesignatedMember
Number of foreign exchange forward contracts held 9us-gaap_NumberOfForeignCurrencyDerivativesHeld
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_ForeignExchangeForwardMember
/ us-gaap_HedgingDesignationAxis
= us-gaap_NondesignatedMember
Not designated as hedging instrument [member] | CMBS loan interest rate cap [member]  
Derivative [Line Items]  
Derivative, notional amount 875invest_DerivativeNotionalAmount
/ us-gaap_DerivativeInstrumentRiskAxis
= hlt_CMBSloaninterestratecapMember
/ us-gaap_HedgingDesignationAxis
= us-gaap_NondesignatedMember
Derivative, cap interest rate 6.00%us-gaap_DerivativeCapInterestRate
/ us-gaap_DerivativeInstrumentRiskAxis
= hlt_CMBSloaninterestratecapMember
/ us-gaap_HedgingDesignationAxis
= us-gaap_NondesignatedMember
Number of interest rate derivatives held 1us-gaap_NumberOfInterestRateDerivativesHeld
/ us-gaap_DerivativeInstrumentRiskAxis
= hlt_CMBSloaninterestratecapMember
/ us-gaap_HedgingDesignationAxis
= us-gaap_NondesignatedMember
Not designated as hedging instrument [member] | Mortgage loan interest rate cap [member]  
Derivative [Line Items]  
Derivative, notional amount $ 525invest_DerivativeNotionalAmount
/ us-gaap_DerivativeInstrumentRiskAxis
= hlt_MortgageLoanInterestRateCapMember
/ us-gaap_HedgingDesignationAxis
= us-gaap_NondesignatedMember
Derivative, cap interest rate 4.00%us-gaap_DerivativeCapInterestRate
/ us-gaap_DerivativeInstrumentRiskAxis
= hlt_MortgageLoanInterestRateCapMember
/ us-gaap_HedgingDesignationAxis
= us-gaap_NondesignatedMember
Number of interest rate derivatives held 1us-gaap_NumberOfInterestRateDerivativesHeld
/ us-gaap_DerivativeInstrumentRiskAxis
= hlt_MortgageLoanInterestRateCapMember
/ us-gaap_HedgingDesignationAxis
= us-gaap_NondesignatedMember