Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies (Details)

v2.4.1.9
Commitments and Contingencies (Details) (USD $)
12 Months Ended
Dec. 31, 2014
Commitments and Contingencies [Line Items]  
Restricted net assets of consolidated subsidiaries $ 903,000,000cqp_RestrictedNetAssetsOfConsolidatedSubsidiaries
Loss Contingency, Pending Claims, Number 0us-gaap_LossContingencyPendingClaimsNumber
Sabine Pass Liquefaction [Member] | Fixed Price Contract Trains 1 Through 4 [Member]  
Commitments and Contingencies [Line Items]  
Contract volumes, in MMBtu per year 834,000,000cqp_Contractvolumes
/ dei_LegalEntityAxis
= cqp_SabinePassLiquefactionMember
/ us-gaap_SupplyCommitmentAxis
= cqp_FixedPriceContractTrains1Through4Member
Sabine Pass Liquefaction [Member] | Fixed Price Contract Train 5 [Member]  
Commitments and Contingencies [Line Items]  
Contract volumes, in MMBtu per year 196,000,000cqp_Contractvolumes
/ dei_LegalEntityAxis
= cqp_SabinePassLiquefactionMember
/ us-gaap_SupplyCommitmentAxis
= cqp_FixedPriceContractTrain5Member
Bechtel EPC Contract - Train One And Two [Member] | Sabine Pass Liquefaction [Member]  
Commitments and Contingencies [Line Items]  
Long-term Purchase Commitment, Amount 3,900,000,000us-gaap_LongTermPurchaseCommitmentAmount
/ dei_LegalEntityAxis
= cqp_SabinePassLiquefactionMember
/ us-gaap_LongTermPurchaseCommitmentByCategoryOfItemPurchasedAxis
= cqp_BechtelEpcContractTrainOneAndTwoMember
Bechtel EPC Contract - Train One And Two [Member] | Sabine Pass Liquefaction [Member] | Maximum [Member]  
Commitments and Contingencies [Line Items]  
Contract Termination Convenience Penalty 30,000,000cqp_ContractTerminationConveniencePenalty
/ dei_LegalEntityAxis
= cqp_SabinePassLiquefactionMember
/ us-gaap_LongTermPurchaseCommitmentByCategoryOfItemPurchasedAxis
= cqp_BechtelEpcContractTrainOneAndTwoMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
Bechtel EPC Contract - Train Three And Four [Member] | Sabine Pass Liquefaction [Member]  
Commitments and Contingencies [Line Items]  
Long-term Purchase Commitment, Amount 3,800,000,000us-gaap_LongTermPurchaseCommitmentAmount
/ dei_LegalEntityAxis
= cqp_SabinePassLiquefactionMember
/ us-gaap_LongTermPurchaseCommitmentByCategoryOfItemPurchasedAxis
= cqp_BechtelEpcContractTrainThreeAndFourMember
Bechtel EPC Contract - Train Three And Four [Member] | Sabine Pass Liquefaction [Member] | Maximum [Member]  
Commitments and Contingencies [Line Items]  
Contract Termination Convenience Penalty 30,000,000cqp_ContractTerminationConveniencePenalty
/ dei_LegalEntityAxis
= cqp_SabinePassLiquefactionMember
/ us-gaap_LongTermPurchaseCommitmentByCategoryOfItemPurchasedAxis
= cqp_BechtelEpcContractTrainThreeAndFourMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
Cheniere Creole Trail Pipeline LP [Member] | Tax Sharing Agreement [Member] | Cheniere Energy, Inc. [Member]  
Commitments and Contingencies [Line Items]  
Income Taxes Paid, Net 0us-gaap_IncomeTaxesPaidNet
/ dei_LegalEntityAxis
= cqp_CheniereEnergyIncMember
/ us-gaap_RelatedPartyTransactionAxis
= cqp_TaxSharingAgreementMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= cqp_CheniereCreoleTrailPipelineLpMember
Sabine Pass LNG, LP [Member] | Tax Sharing Agreement [Member] | Cheniere Energy, Inc. [Member]  
Commitments and Contingencies [Line Items]  
Income Taxes Paid, Net 0us-gaap_IncomeTaxesPaidNet
/ dei_LegalEntityAxis
= cqp_CheniereEnergyIncMember
/ us-gaap_RelatedPartyTransactionAxis
= cqp_TaxSharingAgreementMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= cqp_SabinePassLngLpMember
Sabine Pass Liquefaction [Member] | Tax Sharing Agreement [Member] | Cheniere Energy, Inc. [Member]  
Commitments and Contingencies [Line Items]  
Income Taxes Paid, Net $ 0us-gaap_IncomeTaxesPaidNet
/ dei_LegalEntityAxis
= cqp_CheniereEnergyIncMember
/ us-gaap_RelatedPartyTransactionAxis
= cqp_TaxSharingAgreementMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= cqp_SabinePassLiquefactionMember