Annual report pursuant to Section 13 and 15(d)

Derivative Instruments - Derivative Gross Presentation on Consolidated Balance Sheets (Details)

v2.4.1.9
Derivative Instruments - Derivative Gross Presentation on Consolidated Balance Sheets (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
LNG Inventory Derivatives [Member]    
Derivative [Line Items]    
Derivative Asset, Gross Amounts Recognized $ 1,216us-gaap_DerivativeFairValueOfDerivativeAsset
/ us-gaap_DerivativeInstrumentRiskAxis
= cqp_LngInventoryDerivativesMember
 
Derivative Liability, Gross Amounts Recognized   (161)us-gaap_DerivativeFairValueOfDerivativeLiability
/ us-gaap_DerivativeInstrumentRiskAxis
= cqp_LngInventoryDerivativesMember
Derivative Asset, Gross Amounts Offset in our Balance Sheets 1,132us-gaap_DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral
/ us-gaap_DerivativeInstrumentRiskAxis
= cqp_LngInventoryDerivativesMember
 
Derivative Liability, Gross Amounts Offset in our Balance Sheets   (161)us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral
/ us-gaap_DerivativeInstrumentRiskAxis
= cqp_LngInventoryDerivativesMember
Net Amounts Presented in our Balance Sheets 84us-gaap_DerivativeFairValueOfDerivativeNet
/ us-gaap_DerivativeInstrumentRiskAxis
= cqp_LngInventoryDerivativesMember
0us-gaap_DerivativeFairValueOfDerivativeNet
/ us-gaap_DerivativeInstrumentRiskAxis
= cqp_LngInventoryDerivativesMember
Derivative Asset, Gross Amount Not Offset in our Balance Sheets - Derivative Instrument 0us-gaap_DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral
/ us-gaap_DerivativeInstrumentRiskAxis
= cqp_LngInventoryDerivativesMember
 
Derivative Liability, Gross Amount Not Offset in our Balance Sheets - Derivative Instrument   0us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral
/ us-gaap_DerivativeInstrumentRiskAxis
= cqp_LngInventoryDerivativesMember
Derivative, Collateral, Right to Reclaim Cash 0us-gaap_DerivativeCollateralRightToReclaimCash
/ us-gaap_DerivativeInstrumentRiskAxis
= cqp_LngInventoryDerivativesMember
0us-gaap_DerivativeCollateralRightToReclaimCash
/ us-gaap_DerivativeInstrumentRiskAxis
= cqp_LngInventoryDerivativesMember
Derivative Asset, Net Amount 84us-gaap_DerivativeAssets
/ us-gaap_DerivativeInstrumentRiskAxis
= cqp_LngInventoryDerivativesMember
 
Derivative Liability, Net Amount   0us-gaap_DerivativeLiabilities
/ us-gaap_DerivativeInstrumentRiskAxis
= cqp_LngInventoryDerivativesMember
Fuel Derivatives [Member]    
Derivative [Line Items]    
Derivative Asset, Gross Amounts Recognized   27us-gaap_DerivativeFairValueOfDerivativeAsset
/ us-gaap_DerivativeInstrumentRiskAxis
= cqp_FuelDerivativesMember
Derivative Asset, Gross Amounts Offset in our Balance Sheets   0us-gaap_DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral
/ us-gaap_DerivativeInstrumentRiskAxis
= cqp_FuelDerivativesMember
Net Amounts Presented in our Balance Sheets   27us-gaap_DerivativeFairValueOfDerivativeNet
/ us-gaap_DerivativeInstrumentRiskAxis
= cqp_FuelDerivativesMember
Derivative Asset, Gross Amount Not Offset in our Balance Sheets - Derivative Instrument   0us-gaap_DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral
/ us-gaap_DerivativeInstrumentRiskAxis
= cqp_FuelDerivativesMember
Derivative, Collateral, Right to Reclaim Cash   0us-gaap_DerivativeCollateralRightToReclaimCash
/ us-gaap_DerivativeInstrumentRiskAxis
= cqp_FuelDerivativesMember
Derivative Asset, Net Amount   27us-gaap_DerivativeAssets
/ us-gaap_DerivativeInstrumentRiskAxis
= cqp_FuelDerivativesMember
Term Gas Supply Derivatives [Member]    
Derivative [Line Items]    
Derivative Asset, Gross Amounts Recognized 662us-gaap_DerivativeFairValueOfDerivativeAsset
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_PriceRiskDerivativeMember
 
Derivative Asset, Gross Amounts Offset in our Balance Sheets 0us-gaap_DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_PriceRiskDerivativeMember
 
Net Amounts Presented in our Balance Sheets 662us-gaap_DerivativeFairValueOfDerivativeNet
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_PriceRiskDerivativeMember
 
Derivative Asset, Gross Amount Not Offset in our Balance Sheets - Derivative Instrument 0us-gaap_DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_PriceRiskDerivativeMember
 
Derivative, Collateral, Right to Reclaim Cash 0us-gaap_DerivativeCollateralRightToReclaimCash
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_PriceRiskDerivativeMember
 
Derivative Asset, Net Amount 662us-gaap_DerivativeAssets
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_PriceRiskDerivativeMember
 
Term Gas Supply Derivative 2 [Member]    
Derivative [Line Items]    
Derivative Liability, Gross Amounts Recognized (320)us-gaap_DerivativeFairValueOfDerivativeLiability
/ us-gaap_DerivativeInstrumentRiskAxis
= cqp_PriceRiskDerivative2Member
 
Derivative Liability, Gross Amounts Offset in our Balance Sheets 0us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral
/ us-gaap_DerivativeInstrumentRiskAxis
= cqp_PriceRiskDerivative2Member
 
Net Amounts Presented in our Balance Sheets (320)us-gaap_DerivativeFairValueOfDerivativeNet
/ us-gaap_DerivativeInstrumentRiskAxis
= cqp_PriceRiskDerivative2Member
 
Derivative Liability, Gross Amount Not Offset in our Balance Sheets - Derivative Instrument 0us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral
/ us-gaap_DerivativeInstrumentRiskAxis
= cqp_PriceRiskDerivative2Member
 
Derivative, Collateral, Right to Reclaim Cash 0us-gaap_DerivativeCollateralRightToReclaimCash
/ us-gaap_DerivativeInstrumentRiskAxis
= cqp_PriceRiskDerivative2Member
 
Derivative Liability, Net Amount (320)us-gaap_DerivativeLiabilities
/ us-gaap_DerivativeInstrumentRiskAxis
= cqp_PriceRiskDerivative2Member
 
Interest Rate Contract [Member] | Not Designated as Hedging Instrument [Member]    
Derivative [Line Items]    
Derivative Asset, Gross Amounts Recognized 11,158us-gaap_DerivativeFairValueOfDerivativeAsset
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_InterestRateContractMember
/ us-gaap_HedgingDesignationAxis
= us-gaap_NondesignatedMember
98,123us-gaap_DerivativeFairValueOfDerivativeAsset
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_InterestRateContractMember
/ us-gaap_HedgingDesignationAxis
= us-gaap_NondesignatedMember
Derivative Asset, Gross Amounts Offset in our Balance Sheets 0us-gaap_DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_InterestRateContractMember
/ us-gaap_HedgingDesignationAxis
= us-gaap_NondesignatedMember
0us-gaap_DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_InterestRateContractMember
/ us-gaap_HedgingDesignationAxis
= us-gaap_NondesignatedMember
Net Amounts Presented in our Balance Sheets 11,158us-gaap_DerivativeFairValueOfDerivativeNet
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_InterestRateContractMember
/ us-gaap_HedgingDesignationAxis
= us-gaap_NondesignatedMember
98,123us-gaap_DerivativeFairValueOfDerivativeNet
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_InterestRateContractMember
/ us-gaap_HedgingDesignationAxis
= us-gaap_NondesignatedMember
Derivative Asset, Gross Amount Not Offset in our Balance Sheets - Derivative Instrument 0us-gaap_DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_InterestRateContractMember
/ us-gaap_HedgingDesignationAxis
= us-gaap_NondesignatedMember
0us-gaap_DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_InterestRateContractMember
/ us-gaap_HedgingDesignationAxis
= us-gaap_NondesignatedMember
Derivative, Collateral, Right to Reclaim Cash 0us-gaap_DerivativeCollateralRightToReclaimCash
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_InterestRateContractMember
/ us-gaap_HedgingDesignationAxis
= us-gaap_NondesignatedMember
0us-gaap_DerivativeCollateralRightToReclaimCash
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_InterestRateContractMember
/ us-gaap_HedgingDesignationAxis
= us-gaap_NondesignatedMember
Derivative Asset, Net Amount 11,158us-gaap_DerivativeAssets
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_InterestRateContractMember
/ us-gaap_HedgingDesignationAxis
= us-gaap_NondesignatedMember
98,123us-gaap_DerivativeAssets
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_InterestRateContractMember
/ us-gaap_HedgingDesignationAxis
= us-gaap_NondesignatedMember
Interest Rate Contract 2 [Member] | Not Designated as Hedging Instrument [Member]    
Derivative [Line Items]    
Derivative Liability, Gross Amounts Recognized (23,194)us-gaap_DerivativeFairValueOfDerivativeLiability
/ us-gaap_DerivativeInstrumentRiskAxis
= cqp_InterestRateContract2Member
/ us-gaap_HedgingDesignationAxis
= us-gaap_NondesignatedMember
(13,484)us-gaap_DerivativeFairValueOfDerivativeLiability
/ us-gaap_DerivativeInstrumentRiskAxis
= cqp_InterestRateContract2Member
/ us-gaap_HedgingDesignationAxis
= us-gaap_NondesignatedMember
Derivative Liability, Gross Amounts Offset in our Balance Sheets 0us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral
/ us-gaap_DerivativeInstrumentRiskAxis
= cqp_InterestRateContract2Member
/ us-gaap_HedgingDesignationAxis
= us-gaap_NondesignatedMember
0us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral
/ us-gaap_DerivativeInstrumentRiskAxis
= cqp_InterestRateContract2Member
/ us-gaap_HedgingDesignationAxis
= us-gaap_NondesignatedMember
Net Amounts Presented in our Balance Sheets (23,194)us-gaap_DerivativeFairValueOfDerivativeNet
/ us-gaap_DerivativeInstrumentRiskAxis
= cqp_InterestRateContract2Member
/ us-gaap_HedgingDesignationAxis
= us-gaap_NondesignatedMember
(13,484)us-gaap_DerivativeFairValueOfDerivativeNet
/ us-gaap_DerivativeInstrumentRiskAxis
= cqp_InterestRateContract2Member
/ us-gaap_HedgingDesignationAxis
= us-gaap_NondesignatedMember
Derivative Liability, Gross Amount Not Offset in our Balance Sheets - Derivative Instrument 0us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral
/ us-gaap_DerivativeInstrumentRiskAxis
= cqp_InterestRateContract2Member
/ us-gaap_HedgingDesignationAxis
= us-gaap_NondesignatedMember
0us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral
/ us-gaap_DerivativeInstrumentRiskAxis
= cqp_InterestRateContract2Member
/ us-gaap_HedgingDesignationAxis
= us-gaap_NondesignatedMember
Derivative, Collateral, Right to Reclaim Cash 0us-gaap_DerivativeCollateralRightToReclaimCash
/ us-gaap_DerivativeInstrumentRiskAxis
= cqp_InterestRateContract2Member
/ us-gaap_HedgingDesignationAxis
= us-gaap_NondesignatedMember
0us-gaap_DerivativeCollateralRightToReclaimCash
/ us-gaap_DerivativeInstrumentRiskAxis
= cqp_InterestRateContract2Member
/ us-gaap_HedgingDesignationAxis
= us-gaap_NondesignatedMember
Derivative Liability, Net Amount $ (23,194)us-gaap_DerivativeLiabilities
/ us-gaap_DerivativeInstrumentRiskAxis
= cqp_InterestRateContract2Member
/ us-gaap_HedgingDesignationAxis
= us-gaap_NondesignatedMember
$ (13,484)us-gaap_DerivativeLiabilities
/ us-gaap_DerivativeInstrumentRiskAxis
= cqp_InterestRateContract2Member
/ us-gaap_HedgingDesignationAxis
= us-gaap_NondesignatedMember