Quarterly report pursuant to Section 13 or 15(d)

Related Party Transactions - Other Agreements (Details)

v3.10.0.1
Related Party Transactions - Other Agreements (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Dec. 31, 2017
Related Party Transaction [Line Items]          
Due to affiliates $ 53,000,000   $ 53,000,000   $ 68,000,000
Other non-current liabilities—affiliate 23,000,000   $ 23,000,000   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   $ 25,000,000    
Cooperative Endeavor Agreements [Member] | Cheniere Marketing [Member] | SPLNG [Member]          
Related Party Transaction [Line Items]          
Due to affiliates 2,000,000   2,000,000    
Other non-current liabilities—affiliate 23,000,000   23,000,000   $ 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     4,000,000    
LNG Terminal Export Agreement [Member] | Cheniere Marketing [Member] | SPLNG [Member]          
Related Party Transaction [Line Items]          
LNG revenues—affiliate $ 0 $ 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