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Consolidated Balance Sheets Parentheticals - shares
9 Months Ended 12 Months Ended
Sep. 30, 2020
Dec. 31, 2019
Sep. 30, 2019
Cheniere Partners [Member]      
General Partner Ownership Interest Percentage 2.00% 2.00%  
Common Units [Member]      
Limited Partners' Capital Account, Units Issued 484,000,000.0 348,600,000  
Limited Partners' Capital Account, Units Outstanding 484,000,000.0 348,600,000 348,600,000
Subordinated Units [Member]      
Limited Partners' Capital Account, Units Issued   135,400,000 0
Limited Partners' Capital Account, Units Outstanding 0 135,400,000 135,400,000
General Partner [Member]      
General Partners' Capital Account, Units Issued 9,900,000 9,900,000  
General Partners' Capital Account, Units Outstanding 9,900,000 9,900,000 9,900,000