Annual report pursuant to Section 13 and 15(d)

Related Party Transactions - Other Agreements (Details)

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Related Party Transactions - Other Agreements (Details) - USD ($)
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Related Party Transaction [Line Items]      
Due to affiliates $ 46,000,000 $ 49,000,000  
Other non-current liabilities—affiliate 20,000,000 22,000,000  
LNG revenues—affiliate 1,312,000,000 1,299,000,000 $ 1,389,000,000
Cooperative Endeavor Agreements [Member] | SPLNG [Member]      
Related Party Transaction [Line Items]      
Aggregate commitment under the Agreement $ 25,000,000    
Tax Initiative Agreement Term 10 years    
Cooperative Endeavor Agreements [Member] | Cheniere Marketing [Member] | SPLNG [Member]      
Related Party Transaction [Line Items]      
Due to affiliates $ 2,000,000 3,000,000  
Other non-current liabilities—affiliate 20,000,000 22,000,000  
Terminal Marine Services Agreement [Member] | Cheniere Terminals [Member] | Tug Services [Member]      
Related Party Transaction [Line Items]      
General Partner Distributions 8,000,000 6,000,000 3,000,000
LNG Terminal Export Agreement [Member] | Cheniere Marketing [Member] | SPLNG [Member]      
Related Party Transaction [Line Items]      
LNG revenues—affiliate 0 $ 0 $ 0
Tax Sharing Agreement [Member] | Cheniere [Member] | SPLNG [Member]      
Related Party Transaction [Line Items]      
Income Taxes Paid, Net 0    
Tax Sharing Agreement [Member] | Cheniere [Member] | SPL [Member]      
Related Party Transaction [Line Items]      
Income Taxes Paid, Net 0    
Tax Sharing Agreement [Member] | Cheniere [Member] | CTPL [Member]      
Related Party Transaction [Line Items]      
Income Taxes Paid, Net $ 0