Annual report pursuant to Section 13 and 15(d)

Related Party Transactions - Other Agreements (Details)

v3.10.0.1
Related Party Transactions - Other Agreements (Details) - USD ($)
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Related Party Transaction [Line Items]      
Due to affiliates $ 49,000,000 $ 68,000,000  
Other non-current liabilities—affiliate $ 22,000,000 25,000,000  
Cooperative Endeavor Agreements [Member] | SPLNG [Member]      
Related Party Transaction [Line Items]      
Tax Initiative Agreement Term 10 years    
Aggregate commitment under the Agreement $ 25,000,000    
Cooperative Endeavor Agreements [Member] | Cheniere Marketing [Member] | SPLNG [Member]      
Related Party Transaction [Line Items]      
Due to affiliates 3,000,000    
Other non-current liabilities—affiliate 22,000,000 25,000,000  
Terminal Marine Services Agreement [Member] | Wholly owned subsidiary of Cheniere [Member] | Tug Services [Member]      
Related Party Transaction [Line Items]      
General Partner Distributions 6,000,000 3,000,000 $ 0
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