Annual report pursuant to Section 13 and 15(d)

Restricted Cash and Cash Equivalents—Sabine Pass LNG Senior Notes Debt Service Reserve (Details)

v2.4.1.9
Restricted Cash and Cash Equivalents—Sabine Pass LNG Senior Notes Debt Service Reserve (Details) (USD $)
12 Months Ended
Dec. 31, 2014
Rate
Dec. 31, 2013
Restricted Cash and Cash Equivalents Items [Line Items]    
Restricted cash and cash equivalents 195,702,000us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue $ 227,652,000us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue
Non-current restricted cash and cash equivalents 544,465,000us-gaap_RestrictedCashAndCashEquivalentsNoncurrent 1,025,056,000us-gaap_RestrictedCashAndCashEquivalentsNoncurrent
Sabine Pass LNG, LP [Member] | Senior Notes Interest Payments [Member]    
Restricted Cash and Cash Equivalents Items [Line Items]    
Restricted cash and cash equivalents 15,000,000us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue
/ dei_LegalEntityAxis
= cqp_SabinePassLngLpMember
/ us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsAxis
= cqp_SeniorNotesInterestPaymentsMember
15,000,000us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue
/ dei_LegalEntityAxis
= cqp_SabinePassLngLpMember
/ us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsAxis
= cqp_SeniorNotesInterestPaymentsMember
Sabine Pass LNG, LP [Member] | Debt Service Reserve Fund [Member]    
Restricted Cash and Cash Equivalents Items [Line Items]    
Non-current restricted cash and cash equivalents 76,100,000us-gaap_RestrictedCashAndCashEquivalentsNoncurrent
/ dei_LegalEntityAxis
= cqp_SabinePassLngLpMember
/ us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsAxis
= cqp_DebtServiceReserveFundMember
76,100,000us-gaap_RestrictedCashAndCashEquivalentsNoncurrent
/ dei_LegalEntityAxis
= cqp_SabinePassLngLpMember
/ us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsAxis
= cqp_DebtServiceReserveFundMember
Sabine Pass LNG Senior Notes [Member] | Sabine Pass LNG, LP [Member]    
Restricted Cash and Cash Equivalents Items [Line Items]    
Debt Instrument, Fixed Charge, Coverage Ratio 2cqp_DebtInstrumentFixedChargeCoverageRatio
/ us-gaap_DebtInstrumentAxis
= us-gaap_SeniorNotesMember
/ dei_LegalEntityAxis
= cqp_SabinePassLngLpMember
 
2016 Sabine Pass LNG Senior Notes [Member] | Sabine Pass LNG, LP [Member]    
Restricted Cash and Cash Equivalents Items [Line Items]    
Debt Instrument, Face Amount 1,665,500,000.0us-gaap_DebtInstrumentFaceAmount
/ us-gaap_DebtInstrumentAxis
= cqp_A2016SeniorNotesMember
/ dei_LegalEntityAxis
= cqp_SabinePassLngLpMember
1,665,500,000us-gaap_DebtInstrumentFaceAmount
/ us-gaap_DebtInstrumentAxis
= cqp_A2016SeniorNotesMember
/ dei_LegalEntityAxis
= cqp_SabinePassLngLpMember
Debt Instrument, Interest Rate, Stated Percentage 7.50%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= cqp_A2016SeniorNotesMember
/ dei_LegalEntityAxis
= cqp_SabinePassLngLpMember
 
2020 Sabine Pass LNG Senior Notes [Member] | Sabine Pass LNG, LP [Member]    
Restricted Cash and Cash Equivalents Items [Line Items]    
Debt Instrument, Face Amount 420,000,000.0us-gaap_DebtInstrumentFaceAmount
/ us-gaap_DebtInstrumentAxis
= cqp_A2020SeniorNotesMember
/ dei_LegalEntityAxis
= cqp_SabinePassLngLpMember
$ 420,000,000us-gaap_DebtInstrumentFaceAmount
/ us-gaap_DebtInstrumentAxis
= cqp_A2020SeniorNotesMember
/ dei_LegalEntityAxis
= cqp_SabinePassLngLpMember
Debt Instrument, Interest Rate, Stated Percentage 6.50%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= cqp_A2020SeniorNotesMember
/ dei_LegalEntityAxis
= cqp_SabinePassLngLpMember