Annual report pursuant to Section 13 and 15(d)

Long-Term Debt - 2012 Liquefaction Credit Facility (Details)

v2.4.1.9
Long-Term Debt - 2012 Liquefaction Credit Facility (Details) (USD $)
12 Months Ended 1 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
May 31, 2013
Apr. 30, 2013
Line of Credit Facility [Line Items]          
Write-off of debt issuance costs $ 114,335,000us-gaap_GainsLossesOnExtinguishmentOfDebt $ 131,576,000us-gaap_GainsLossesOnExtinguishmentOfDebt $ 42,587,000us-gaap_GainsLossesOnExtinguishmentOfDebt    
Sabine Pass Liquefaction [Member] | 2012 Liquefaction Credit Facility [Member]          
Line of Credit Facility [Line Items]          
Debt Instrument, Description of Variable Rate Basis LIBOR        
Proceeds from (Repayments of) Lines of Credit       (100,000,000)us-gaap_ProceedsFromRepaymentsOfLinesOfCredit
/ us-gaap_DebtInstrumentAxis
= cqp_A2012LiquefactionCreditFacilityMember
/ dei_LegalEntityAxis
= cqp_SabinePassLiquefactionMember
 
Line of Credit Facility, Increase (Decrease), Net         (1,400,000,000)us-gaap_LineOfCreditFacilityIncreaseDecreaseForPeriodNet
/ us-gaap_DebtInstrumentAxis
= cqp_A2012LiquefactionCreditFacilityMember
/ dei_LegalEntityAxis
= cqp_SabinePassLiquefactionMember
Write-off of debt issuance costs   88,300,000us-gaap_GainsLossesOnExtinguishmentOfDebt
/ us-gaap_DebtInstrumentAxis
= cqp_A2012LiquefactionCreditFacilityMember
/ dei_LegalEntityAxis
= cqp_SabinePassLiquefactionMember
     
Sabine Pass Liquefaction [Member] | 2012 Liquefaction Credit Facility [Member] | Minimum [Member]          
Line of Credit Facility [Line Items]          
Percentage of Debt Hedged by Interest Rate Derivatives 75.00%us-gaap_PercentageOfDebtHedgedByInterestRateDerivatives
/ us-gaap_DebtInstrumentAxis
= cqp_A2012LiquefactionCreditFacilityMember
/ dei_LegalEntityAxis
= cqp_SabinePassLiquefactionMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
       
Sabine Pass Liquefaction [Member] | 2012 Liquefaction Credit Facility [Member] | Operations [Member]          
Line of Credit Facility [Line Items]          
Debt Instrument, Basis Spread on Variable Rate 3.75%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
/ us-gaap_DebtInstrumentAxis
= cqp_A2012LiquefactionCreditFacilityMember
/ dei_LegalEntityAxis
= cqp_SabinePassLiquefactionMember
/ cqp_LNGTrainsProjectPhaseAxis
= cqp_OperationsMember
       
Sabine Pass Liquefaction [Member] | 2012 Liquefaction Credit Facility [Member] | Construction [Member]          
Line of Credit Facility [Line Items]          
Debt Instrument, Basis Spread on Variable Rate 3.50%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
/ us-gaap_DebtInstrumentAxis
= cqp_A2012LiquefactionCreditFacilityMember
/ dei_LegalEntityAxis
= cqp_SabinePassLiquefactionMember
/ cqp_LNGTrainsProjectPhaseAxis
= cqp_ConstructionMember
       
Sabine Pass Liquefaction [Member] | 2021 Sabine Pass Liquefaction Senior Notes [Member]          
Line of Credit Facility [Line Items]          
Debt Instrument, Increase (Decrease), Net         $ 500,000,000us-gaap_DebtInstrumentIncreaseDecreaseForPeriodNet
/ us-gaap_DebtInstrumentAxis
= cqp_A2021SabinePassLiquefactionSeniorNotesMember
/ dei_LegalEntityAxis
= cqp_SabinePassLiquefactionMember