Annual report pursuant to Section 13 and 15(d)

Long-Term Debt - Schedule of Long-term Debt Instruments (Details)

v2.4.1.9
Long-Term Debt - Schedule of Long-term Debt Instruments (Details) (USD $)
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Debt Instrument [Line Items]      
Long Term Debt, Gross $ 8,985,500,000us-gaap_DebtInstrumentCarryingAmount $ 6,585,500,000us-gaap_DebtInstrumentCarryingAmount  
Total long-term debt, net 8,991,333,000us-gaap_LongTermDebt 6,576,273,000us-gaap_LongTermDebt  
Interest costs incurred 580,200,000us-gaap_InterestCostsIncurred 414,000,000us-gaap_InterestCostsIncurred 206,800,000us-gaap_InterestCostsIncurred
Interest costs capitalized and deferred 403,200,000us-gaap_InterestCostsCapitalized 233,000,000us-gaap_InterestCostsCapitalized 35,100,000us-gaap_InterestCostsCapitalized
2016 Sabine Pass LNG Senior Notes [Member]      
Debt Instrument [Line Items]      
Long Term Debt, Gross 1,665,500,000us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_DebtInstrumentAxis
= cqp_A2016SeniorNotesMember
1,665,500,000us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_DebtInstrumentAxis
= cqp_A2016SeniorNotesMember
 
Debt Instrument, Unamortized Discount (8,998,000)us-gaap_DebtInstrumentUnamortizedDiscount
/ us-gaap_DebtInstrumentAxis
= cqp_A2016SeniorNotesMember
(13,693,000)us-gaap_DebtInstrumentUnamortizedDiscount
/ us-gaap_DebtInstrumentAxis
= cqp_A2016SeniorNotesMember
 
2020 Sabine Pass LNG Senior Notes [Member]      
Debt Instrument [Line Items]      
Long Term Debt, Gross 420,000,000us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_DebtInstrumentAxis
= cqp_A2020SeniorNotesMember
420,000,000us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_DebtInstrumentAxis
= cqp_A2020SeniorNotesMember
 
2021 Sabine Pass Liquefaction Senior Notes [Member]      
Debt Instrument [Line Items]      
Long Term Debt, Gross 2,000,000,000us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_DebtInstrumentAxis
= cqp_A2021SabinePassLiquefactionSeniorNotesMember
2,000,000,000us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_DebtInstrumentAxis
= cqp_A2021SabinePassLiquefactionSeniorNotesMember
 
Debt Instrument, Unamortized Premium 10,177,000us-gaap_DebtInstrumentUnamortizedPremium
/ us-gaap_DebtInstrumentAxis
= cqp_A2021SabinePassLiquefactionSeniorNotesMember
11,562,000us-gaap_DebtInstrumentUnamortizedPremium
/ us-gaap_DebtInstrumentAxis
= cqp_A2021SabinePassLiquefactionSeniorNotesMember
 
2022 Sabine Pass Liquefaction Senior Notes [Member]      
Debt Instrument [Line Items]      
Long Term Debt, Gross 1,000,000,000us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_DebtInstrumentAxis
= cqp_A2022SabinePassLiquefactionSeniorNotesMember
1,000,000,000us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_DebtInstrumentAxis
= cqp_A2022SabinePassLiquefactionSeniorNotesMember
 
2023 Sabine Pass Liquefaction Senior Notes [Member]      
Debt Instrument [Line Items]      
Long Term Debt, Gross 1,500,000,000us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_DebtInstrumentAxis
= cqp_A2023SabinePassLiquefactionSeniorNotesMember
1,000,000,000us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_DebtInstrumentAxis
= cqp_A2023SabinePassLiquefactionSeniorNotesMember
 
Debt Instrument, Unamortized Premium 7,089,000us-gaap_DebtInstrumentUnamortizedPremium
/ us-gaap_DebtInstrumentAxis
= cqp_A2023SabinePassLiquefactionSeniorNotesMember
0us-gaap_DebtInstrumentUnamortizedPremium
/ us-gaap_DebtInstrumentAxis
= cqp_A2023SabinePassLiquefactionSeniorNotesMember
 
2024 Sabine Pass Liquefaction Senior Notes [Member]      
Debt Instrument [Line Items]      
Long Term Debt, Gross 2,000,000,000us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_DebtInstrumentAxis
= cqp_A2024SabinePassLiquefactionSeniorNotesMember
0us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_DebtInstrumentAxis
= cqp_A2024SabinePassLiquefactionSeniorNotesMember
 
2013 Liquefaction Credit Facilities [Member]      
Debt Instrument [Line Items]      
Long Term Debt, Gross 0us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_DebtInstrumentAxis
= cqp_A2013SabinePassLiquefactionCreditFacilitiesMember
100,000,000us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_DebtInstrumentAxis
= cqp_A2013SabinePassLiquefactionCreditFacilitiesMember
 
2017 Creole Trail Pipeline Term Loan [Member]      
Debt Instrument [Line Items]      
Long Term Debt, Gross 400,000,000us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_DebtInstrumentAxis
= cqp_CreoleTrailPipelineCreditFacilityMember
400,000,000us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_DebtInstrumentAxis
= cqp_CreoleTrailPipelineCreditFacilityMember
 
Debt Instrument, Unamortized Discount $ (2,435,000)us-gaap_DebtInstrumentUnamortizedDiscount
/ us-gaap_DebtInstrumentAxis
= cqp_CreoleTrailPipelineCreditFacilityMember
$ (7,096,000)us-gaap_DebtInstrumentUnamortizedDiscount
/ us-gaap_DebtInstrumentAxis
= cqp_CreoleTrailPipelineCreditFacilityMember