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Related Party Transactions - Service Agreements (Details) (USD $)
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12 Months Ended |
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Dec. 31, 2014
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Dec. 31, 2013
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Dec. 31, 2012
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| Related Party Transaction [Line Items] |
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| Advances to Affiliate Current |
$ 27,323,000cqp_AdvancesToAffiliateCurrent
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$ 14,737,000cqp_AdvancesToAffiliateCurrent
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| General and administrative expense—affiliate |
101,369,000us-gaap_RelatedPartyTransactionSellingGeneralAndAdministrativeExpensesFromTransactionsWithRelatedParty
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129,836,000us-gaap_RelatedPartyTransactionSellingGeneralAndAdministrativeExpensesFromTransactionsWithRelatedParty
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61,081,000us-gaap_RelatedPartyTransactionSellingGeneralAndAdministrativeExpensesFromTransactionsWithRelatedParty
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| Operating and maintenance expense—affiliate |
21,115,000us-gaap_CostsAndExpensesRelatedParty
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29,304,000us-gaap_CostsAndExpensesRelatedParty
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18,540,000us-gaap_CostsAndExpensesRelatedParty
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| Service Agreements [Member] |
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| Related Party Transaction [Line Items] |
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| Advances to Affiliate Current |
27,300,000cqp_AdvancesToAffiliateCurrent
/ us-gaap_RelatedPartyTransactionAxis
= us-gaap_ServiceAgreementsMember
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14,700,000cqp_AdvancesToAffiliateCurrent
/ us-gaap_RelatedPartyTransactionAxis
= us-gaap_ServiceAgreementsMember
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| General and administrative expense—affiliate |
101,400,000us-gaap_RelatedPartyTransactionSellingGeneralAndAdministrativeExpensesFromTransactionsWithRelatedParty
/ us-gaap_RelatedPartyTransactionAxis
= us-gaap_ServiceAgreementsMember
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129,800,000us-gaap_RelatedPartyTransactionSellingGeneralAndAdministrativeExpensesFromTransactionsWithRelatedParty
/ us-gaap_RelatedPartyTransactionAxis
= us-gaap_ServiceAgreementsMember
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61,100,000us-gaap_RelatedPartyTransactionSellingGeneralAndAdministrativeExpensesFromTransactionsWithRelatedParty
/ us-gaap_RelatedPartyTransactionAxis
= us-gaap_ServiceAgreementsMember
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| Operating and maintenance expense—affiliate |
21,100,000us-gaap_CostsAndExpensesRelatedParty
/ us-gaap_RelatedPartyTransactionAxis
= us-gaap_ServiceAgreementsMember
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29,300,000us-gaap_CostsAndExpensesRelatedParty
/ us-gaap_RelatedPartyTransactionAxis
= us-gaap_ServiceAgreementsMember
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18,500,000us-gaap_CostsAndExpensesRelatedParty
/ us-gaap_RelatedPartyTransactionAxis
= us-gaap_ServiceAgreementsMember
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| Cheniere LNG Terminals, LLC [Member] | Cheniere Partners Services Agreement [Member] |
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| Related Party Transaction [Line Items] |
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| Quarterly non-accountable overhead reimbursement charge |
2,800,000cqp_RelatedPartyTransactionQuarterlyFee
/ us-gaap_RelatedPartyTransactionAxis
= cqp_ChenierePartnersServicesAgreementMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= cqp_CheniereLNGTerminalsLLCMember
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| Sabine Pass LNG, LP [Member] | Cheniere LNG Terminals, LLC [Member] | Management Services Agreement [Member] |
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| Related Party Transaction [Line Items] |
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| Related Party Transaction, Committed Monthly Fee |
520,000cqp_RelatedPartyTransactionCommittedMonthlyFee
/ dei_LegalEntityAxis
= cqp_SabinePassLngLpMember
/ us-gaap_RelatedPartyTransactionAxis
= cqp_ManagementServicesAgreementMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= cqp_CheniereLNGTerminalsLLCMember
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| Sabine Pass LNG, LP [Member] | Cheniere Energy Investments, LLC [Member] | Operation and Maintenance Agreement [Member] |
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| Related Party Transaction [Line Items] |
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| Related Party Transaction, Committed Monthly Fee |
130,000cqp_RelatedPartyTransactionCommittedMonthlyFee
/ dei_LegalEntityAxis
= cqp_SabinePassLngLpMember
/ us-gaap_RelatedPartyTransactionAxis
= cqp_OperationAndMaintenanceAgreementMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= cqp_CheniereEnergyInvestmentsLlcMember
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| Related Party Transaction, Bonus Percentage Entitled Upon Meeting Certain Criteria |
50.00%cqp_RelatedPartyTransactionBonusPercentageEntitledUponMeetingCertainCriteria
/ dei_LegalEntityAxis
= cqp_SabinePassLngLpMember
/ us-gaap_RelatedPartyTransactionAxis
= cqp_OperationAndMaintenanceAgreementMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= cqp_CheniereEnergyInvestmentsLlcMember
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| Sabine Pass Liquefaction [Member] | Cheniere LNG Terminals, LLC [Member] | Management Services Agreement [Member] |
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| Related Party Transaction [Line Items] |
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| Related Party Transaction, Committed Monthly Fee |
541,667cqp_RelatedPartyTransactionCommittedMonthlyFee
/ dei_LegalEntityAxis
= cqp_SabinePassLiquefactionMember
/ us-gaap_RelatedPartyTransactionAxis
= cqp_ManagementServicesAgreementMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= cqp_CheniereLNGTerminalsLLCMember
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| Monthly fee as a percentage of capital expenditures incurred in the previous month |
2.40%cqp_ProceedsPaymentsOfCapitalExpendituresIncurred
/ dei_LegalEntityAxis
= cqp_SabinePassLiquefactionMember
/ us-gaap_RelatedPartyTransactionAxis
= cqp_ManagementServicesAgreementMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= cqp_CheniereLNGTerminalsLLCMember
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| Sabine Pass Liquefaction [Member] | Cheniere Energy Investments, LLC [Member] | Operation and Maintenance Agreement [Member] |
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| Related Party Transaction [Line Items] |
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| Related Party Transaction, Committed Monthly Fee |
$ 83,333cqp_RelatedPartyTransactionCommittedMonthlyFee
/ dei_LegalEntityAxis
= cqp_SabinePassLiquefactionMember
/ us-gaap_RelatedPartyTransactionAxis
= cqp_OperationAndMaintenanceAgreementMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= cqp_CheniereEnergyInvestmentsLlcMember
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| Monthly fee as a percentage of capital expenditures incurred in the previous month |
0.60%cqp_ProceedsPaymentsOfCapitalExpendituresIncurred
/ dei_LegalEntityAxis
= cqp_SabinePassLiquefactionMember
/ us-gaap_RelatedPartyTransactionAxis
= cqp_OperationAndMaintenanceAgreementMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= cqp_CheniereEnergyInvestmentsLlcMember
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| Cheniere Creole Trail Pipeline LP [Member] | Cheniere LNG Terminals, LLC [Member] | Management Services Agreement [Member] |
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| Related Party Transaction [Line Items] |
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| Monthly fee as a percentage of capital expenditures incurred in the previous month |
3.00%cqp_ProceedsPaymentsOfCapitalExpendituresIncurred
/ dei_LegalEntityAxis
= cqp_CheniereCreoleTrailPipelineLpMember
/ us-gaap_RelatedPartyTransactionAxis
= cqp_ManagementServicesAgreementMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= cqp_CheniereLNGTerminalsLLCMember
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