Quarterly report pursuant to Section 13 or 15(d)

Non-Controlling Interest (Details)

v2.4.1.9
Non-Controlling Interest (Details) (USD $)
3 Months Ended 1 Months Ended
Mar. 31, 2015
Nov. 30, 2014
Dec. 31, 2014
Cheniere Energy Partners, LP [Member]      
Noncontrolling Interest [Line Items]      
General Partner Ownership Percentage 100.00%us-gaap_LimitedLiabilityCompanyLLCOrLimitedPartnershipLPManagingMemberOrGeneralPartnerOwnershipInterest
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= lng_CheniereEnergyPartnersLPMember
   
Cheniere Energy Partners LP Holdings, LLC [Member]      
Noncontrolling Interest [Line Items]      
Noncontrolling Interest, Ownership Percentage by Parent 80.10%us-gaap_MinorityInterestOwnershipPercentageByParent
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= lng_CheniereEnergyPartnersLPHoldingsLLCMember
  80.10%us-gaap_MinorityInterestOwnershipPercentageByParent
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= lng_CheniereEnergyPartnersLPHoldingsLLCMember
Cheniere Energy Partners LP Holdings, LLC [Member]      
Noncontrolling Interest [Line Items]      
Issuance of Stock, Shares   10,100,000.0us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ dei_LegalEntityAxis
= lng_CheniereEnergyPartnersLPHoldingsLLCMember
 
Shares Issued, Price Per Share   $ 22.76us-gaap_SharesIssuedPricePerShare
/ dei_LegalEntityAxis
= lng_CheniereEnergyPartnersLPHoldingsLLCMember
 
Cheniere Energy Partners LP Holdings, LLC [Member] | Cheniere Energy Partners, LP [Member]      
Noncontrolling Interest [Line Items]      
Limited Partner ownership percentage 55.90%us-gaap_LimitedLiabilityCompanyLLCOrLimitedPartnershipLPMembersOrLimitedPartnersOwnershipInterest
/ dei_LegalEntityAxis
= lng_CheniereEnergyPartnersLPHoldingsLLCMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= lng_CheniereEnergyPartnersLPMember
   
Cheniere Energy Partners LP Holdings, LLC [Member] | Cheniere Energy Partners, LP [Member] | Common Units [Member]      
Noncontrolling Interest [Line Items]      
Partners Capital Account, Units, Units Held 12,000,000lng_PartnersCapitalAccountUnitsUnitsHeld
/ us-gaap_CapitalUnitsByClassAxis
= lng_CommonUnitsMember
/ dei_LegalEntityAxis
= lng_CheniereEnergyPartnersLPHoldingsLLCMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= lng_CheniereEnergyPartnersLPMember
   
Cheniere Energy Partners LP Holdings, LLC [Member] | Cheniere Energy Partners, LP [Member] | Capital Unit, Class B [Member]      
Noncontrolling Interest [Line Items]      
Partners Capital Account, Units, Units Held 45,300,000lng_PartnersCapitalAccountUnitsUnitsHeld
/ us-gaap_CapitalUnitsByClassAxis
= us-gaap_CapitalUnitClassBMember
/ dei_LegalEntityAxis
= lng_CheniereEnergyPartnersLPHoldingsLLCMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= lng_CheniereEnergyPartnersLPMember
   
Cheniere Energy Partners LP Holdings, LLC [Member] | Cheniere Energy Partners, LP [Member] | Subordinated Units [Member]      
Noncontrolling Interest [Line Items]      
Partners Capital Account, Units, Units Held 135,400,000lng_PartnersCapitalAccountUnitsUnitsHeld
/ us-gaap_CapitalUnitsByClassAxis
= lng_SubordinatedUnitsMember
/ dei_LegalEntityAxis
= lng_CheniereEnergyPartnersLPHoldingsLLCMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= lng_CheniereEnergyPartnersLPMember