Annual report pursuant to Section 13 and 15(d)

Related Party Transactions - Other Agreements (Details)

v2.4.1.9
Related Party Transactions - Other Agreements (Details) (USD $)
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Related Party Transaction [Line Items]      
Revenues—affiliate $ 2,958,000us-gaap_RevenueFromRelatedParties $ 2,940,000us-gaap_RevenueFromRelatedParties $ 8,137,000us-gaap_RevenueFromRelatedParties
Cheniere Energy, Inc. [Member] | Tax Sharing Agreement [Member]      
Related Party Transaction [Line Items]      
Income Taxes Paid, Net 0us-gaap_IncomeTaxesPaidNet
/ us-gaap_RelatedPartyTransactionAxis
= cqp_TaxSharingAgreementMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= cqp_CheniereEnergyIncMember
   
Sabine Pass Tug Services, LLC [Member] | Wholly owned subsidiary of Cheniere [Member] | Tug Boat Lease Sharing Agreement [Member]      
Related Party Transaction [Line Items]      
Revenues—affiliate 2,800,000us-gaap_RevenueFromRelatedParties
/ dei_LegalEntityAxis
= cqp_SabinePassTugServicesLlcMember
/ us-gaap_RelatedPartyTransactionAxis
= cqp_TugBoatLeaseSharingAgreementMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_SubsidiaryOfCommonParentMember
2,800,000us-gaap_RevenueFromRelatedParties
/ dei_LegalEntityAxis
= cqp_SabinePassTugServicesLlcMember
/ us-gaap_RelatedPartyTransactionAxis
= cqp_TugBoatLeaseSharingAgreementMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_SubsidiaryOfCommonParentMember
2,800,000us-gaap_RevenueFromRelatedParties
/ dei_LegalEntityAxis
= cqp_SabinePassTugServicesLlcMember
/ us-gaap_RelatedPartyTransactionAxis
= cqp_TugBoatLeaseSharingAgreementMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_SubsidiaryOfCommonParentMember
Sabine Pass LNG, LP [Member] | Cooperative Endeavor Agreements [Member]      
Related Party Transaction [Line Items]      
Tax Initiative Agreement Term 10 years    
Aggregate commitment under the Agreement 25,000,000us-gaap_OtherCommitment
/ dei_LegalEntityAxis
= cqp_SabinePassLngLpMember
/ us-gaap_RelatedPartyTransactionAxis
= cqp_CooperativeEndeavorAgreementsMember
   
Sabine Pass LNG, LP [Member] | Cheniere Marketing, LLC [Member] | Cooperative Endeavor Agreements [Member]      
Related Party Transaction [Line Items]      
Non-current assets from Sabine Pass LNG's ad valorem tax payments 19,600,000us-gaap_DueFromRelatedPartiesNoncurrent
/ dei_LegalEntityAxis
= cqp_SabinePassLngLpMember
/ us-gaap_RelatedPartyTransactionAxis
= cqp_CooperativeEndeavorAgreementsMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= cqp_CheniereMarketingLlcMember
17,200,000us-gaap_DueFromRelatedPartiesNoncurrent
/ dei_LegalEntityAxis
= cqp_SabinePassLngLpMember
/ us-gaap_RelatedPartyTransactionAxis
= cqp_CooperativeEndeavorAgreementsMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= cqp_CheniereMarketingLlcMember
 
Sabine Pass LNG, LP [Member] | Cheniere Marketing, LLC [Member] | Contracts for Sale and Purchase of Natural Gas and LNG [Member]      
Related Party Transaction [Line Items]      
Related Party Transaction, Purchases from Related Party 3,300,000us-gaap_RelatedPartyTransactionPurchasesFromRelatedParty
/ dei_LegalEntityAxis
= cqp_SabinePassLngLpMember
/ us-gaap_RelatedPartyTransactionAxis
= cqp_ContractsforSaleandPurchaseofNaturalGasMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= cqp_CheniereMarketingLlcMember
3,300,000us-gaap_RelatedPartyTransactionPurchasesFromRelatedParty
/ dei_LegalEntityAxis
= cqp_SabinePassLngLpMember
/ us-gaap_RelatedPartyTransactionAxis
= cqp_ContractsforSaleandPurchaseofNaturalGasMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= cqp_CheniereMarketingLlcMember
2,800,000us-gaap_RelatedPartyTransactionPurchasesFromRelatedParty
/ dei_LegalEntityAxis
= cqp_SabinePassLngLpMember
/ us-gaap_RelatedPartyTransactionAxis
= cqp_ContractsforSaleandPurchaseofNaturalGasMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= cqp_CheniereMarketingLlcMember
Revenues—affiliate 700,000us-gaap_RevenueFromRelatedParties
/ dei_LegalEntityAxis
= cqp_SabinePassLngLpMember
/ us-gaap_RelatedPartyTransactionAxis
= cqp_ContractsforSaleandPurchaseofNaturalGasMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= cqp_CheniereMarketingLlcMember
14,700,000us-gaap_RevenueFromRelatedParties
/ dei_LegalEntityAxis
= cqp_SabinePassLngLpMember
/ us-gaap_RelatedPartyTransactionAxis
= cqp_ContractsforSaleandPurchaseofNaturalGasMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= cqp_CheniereMarketingLlcMember
2,800,000us-gaap_RevenueFromRelatedParties
/ dei_LegalEntityAxis
= cqp_SabinePassLngLpMember
/ us-gaap_RelatedPartyTransactionAxis
= cqp_ContractsforSaleandPurchaseofNaturalGasMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= cqp_CheniereMarketingLlcMember
Sabine Pass LNG, LP [Member] | Cheniere Marketing, LLC [Member] | LNG Terminal Export Agreement [Member]      
Related Party Transaction [Line Items]      
Revenues—affiliate $ 0us-gaap_RevenueFromRelatedParties
/ dei_LegalEntityAxis
= cqp_SabinePassLngLpMember
/ us-gaap_RelatedPartyTransactionAxis
= cqp_LngTerminalExportAgreementMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= cqp_CheniereMarketingLlcMember
$ 0us-gaap_RevenueFromRelatedParties
/ dei_LegalEntityAxis
= cqp_SabinePassLngLpMember
/ us-gaap_RelatedPartyTransactionAxis
= cqp_LngTerminalExportAgreementMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= cqp_CheniereMarketingLlcMember
$ 300,000us-gaap_RevenueFromRelatedParties
/ dei_LegalEntityAxis
= cqp_SabinePassLngLpMember
/ us-gaap_RelatedPartyTransactionAxis
= cqp_LngTerminalExportAgreementMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= cqp_CheniereMarketingLlcMember