Annual report pursuant to Section 13 and 15(d)

Net Income (Loss) per Common Unit - Schedule of Anticipated Beneficial Conversion Feature impact to Capital Accounts (Details)

v2.4.1.9
Net Income (Loss) per Common Unit - Schedule of Anticipated Beneficial Conversion Feature impact to Capital Accounts (Details) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2014
Common Units [Member]  
2015 $ (232)cqp_AmortizationofBeneficialConversionFeatureImpacttoCapitalAccountsYearTwo
/ us-gaap_CapitalUnitsByClassAxis
= cqp_CommonUnitsMember
2016 (29,564)cqp_AmortizationofBeneficialConversionFeatureImpacttoCapitalAccountsYearThree
/ us-gaap_CapitalUnitsByClassAxis
= cqp_CommonUnitsMember
2017 (594,390)cqp_AmortizationofBeneficialConversionFeatureImpacttoCapitalAccountsYearFour
/ us-gaap_CapitalUnitsByClassAxis
= cqp_CommonUnitsMember
Class B Units [Member]  
2015 781cqp_AmortizationofBeneficialConversionFeatureImpacttoCapitalAccountsYearTwo
/ us-gaap_CapitalUnitsByClassAxis
= us-gaap_CapitalUnitClassBMember
2016 99,685cqp_AmortizationofBeneficialConversionFeatureImpacttoCapitalAccountsYearThree
/ us-gaap_CapitalUnitsByClassAxis
= us-gaap_CapitalUnitClassBMember
2017 2,004,209cqp_AmortizationofBeneficialConversionFeatureImpacttoCapitalAccountsYearFour
/ us-gaap_CapitalUnitsByClassAxis
= us-gaap_CapitalUnitClassBMember
Subordinated Units [Member]  
2015 (549)cqp_AmortizationofBeneficialConversionFeatureImpacttoCapitalAccountsYearTwo
/ us-gaap_CapitalUnitsByClassAxis
= cqp_SubordinatedUnitsMember
2016 (70,121)cqp_AmortizationofBeneficialConversionFeatureImpacttoCapitalAccountsYearThree
/ us-gaap_CapitalUnitsByClassAxis
= cqp_SubordinatedUnitsMember
2017 $ (1,409,819)cqp_AmortizationofBeneficialConversionFeatureImpacttoCapitalAccountsYearFour
/ us-gaap_CapitalUnitsByClassAxis
= cqp_SubordinatedUnitsMember