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Unitholders' Equity (Details) (USD $)
In Thousands, except Per Share data, unless otherwise specified
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12 Months Ended |
1 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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May 31, 2013
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| Other Ownership Interests [Line Items] |
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| Proceeds from sale of partnership common and general partner units |
$ 0us-gaap_ProceedsFromSaleOfInterestInPartnershipUnit
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$ 375,897us-gaap_ProceedsFromSaleOfInterestInPartnershipUnit
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$ 250,022us-gaap_ProceedsFromSaleOfInterestInPartnershipUnit
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| Maximum [Member] |
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| Other Ownership Interests [Line Items] |
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| Number of days after quarter end distribution is paid |
45 days
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| Common Units [Member] |
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| Other Ownership Interests [Line Items] |
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| Distributions Per Limited Partnership Unit Outstanding, Basic |
$ 0.425us-gaap_DistributionsPerLimitedPartnershipUnitOutstanding
/ us-gaap_CapitalUnitsByClassAxis
= cqp_CommonUnitsMember
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| Sale of common and general partner units, units |
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17,590us-gaap_PartnersCapitalAccountUnitsSaleOfUnits
/ us-gaap_CapitalUnitsByClassAxis
= cqp_CommonUnitsMember
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8,485us-gaap_PartnersCapitalAccountUnitsSaleOfUnits
/ us-gaap_CapitalUnitsByClassAxis
= cqp_CommonUnitsMember
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| General Partner [Member] |
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| Other Ownership Interests [Line Items] |
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| Sale of common and general partner units, units |
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604us-gaap_PartnersCapitalAccountUnitsSaleOfUnits
/ us-gaap_CapitalUnitsByClassAxis
= us-gaap_GeneralPartnerMember
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2,894us-gaap_PartnersCapitalAccountUnitsSaleOfUnits
/ us-gaap_CapitalUnitsByClassAxis
= us-gaap_GeneralPartnerMember
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| General Partner [Member] | Minimum [Member] |
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| Other Ownership Interests [Line Items] |
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| Distributions entitled by General Partner, Percentage |
2.00%cqp_DistributionsentitledbyGeneralPartnerPercentage
/ us-gaap_CapitalUnitsByClassAxis
= us-gaap_GeneralPartnerMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
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| Incentive Distribution, Quarterly Distribution Additional Target Percentage |
15.00%cqp_IncentiveDistributionQuarterlyDistributionAdditionalTargetPercentage
/ us-gaap_CapitalUnitsByClassAxis
= us-gaap_GeneralPartnerMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
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| General Partner [Member] | Maximum [Member] |
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| Other Ownership Interests [Line Items] |
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| Incentive Distribution, Quarterly Distribution Additional Target Percentage |
50.00%cqp_IncentiveDistributionQuarterlyDistributionAdditionalTargetPercentage
/ us-gaap_CapitalUnitsByClassAxis
= us-gaap_GeneralPartnerMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
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| Class B Units [Member] |
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| Other Ownership Interests [Line Items] |
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| Partnership Units, Conversion Ratio, Quarterly Compounded Rate |
0.035cqp_PartnershipUnitsConversionRatioQuarterlyCompoundedRate
/ us-gaap_CapitalUnitsByClassAxis
= us-gaap_CapitalUnitClassBMember
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| Class B Units [Member] | Blackstone CQP Holdco LP [Member] |
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| Other Ownership Interests [Line Items] |
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| Proceeds from sale of partnership common and general partner units |
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|
1,500,000us-gaap_ProceedsFromSaleOfInterestInPartnershipUnit
/ us-gaap_CapitalUnitsByClassAxis
= us-gaap_CapitalUnitClassBMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= cqp_BlackstoneCqpHoldcoLpMember
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| Partnership Units, Accreted Conversion Ratio |
1.39cqp_PartnershipUnitsAccretedConversionRatio
/ us-gaap_CapitalUnitsByClassAxis
= us-gaap_CapitalUnitClassBMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= cqp_BlackstoneCqpHoldcoLpMember
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| Class B Units [Member] | Cheniere Energy, Inc. [Member] |
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| Other Ownership Interests [Line Items] |
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| Proceeds from sale of partnership common and general partner units |
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|
$ 500,000us-gaap_ProceedsFromSaleOfInterestInPartnershipUnit
/ us-gaap_CapitalUnitsByClassAxis
= us-gaap_CapitalUnitClassBMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= cqp_CheniereEnergyIncMember
|
$ 180,000us-gaap_ProceedsFromSaleOfInterestInPartnershipUnit
/ us-gaap_CapitalUnitsByClassAxis
= us-gaap_CapitalUnitClassBMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= cqp_CheniereEnergyIncMember
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| Sale of common and general partner units, units |
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12,000us-gaap_PartnersCapitalAccountUnitsSaleOfUnits
/ us-gaap_CapitalUnitsByClassAxis
= us-gaap_CapitalUnitClassBMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= cqp_CheniereEnergyIncMember
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| Class B Units [Member] | Cheniere Energy Partners LP Holdings, LLC [Member] |
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| Other Ownership Interests [Line Items] |
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| Partnership Units, Accreted Conversion Ratio |
1.41cqp_PartnershipUnitsAccretedConversionRatio
/ us-gaap_CapitalUnitsByClassAxis
= us-gaap_CapitalUnitClassBMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= cqp_CheniereEnergyPartnersLPHoldingsLLCMember
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| Class B Units [Member] | Maximum [Member] |
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| Other Ownership Interests [Line Items] |
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| Expected conversion period of Class B units to common units after substantial completion date of Train 3 |
90 days
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