Annual report pursuant to Section 13 and 15(d)

Debt - Senior Notes (Details)

v3.3.1.900
Debt - Senior Notes (Details)
$ in Millions
12 Months Ended
Dec. 31, 2015
USD ($)
Rate
Dec. 31, 2014
USD ($)
Dec. 31, 2013
USD ($)
SPLNG [Member]      
Debt Instrument [Line Items]      
Distributions to limited partner | $ $ 337.3 $ 346.9 $ 348.9
SPLNG [Member] | SPLNG Senior Notes [Member]      
Debt Instrument [Line Items]      
Debt Instrument, Redemption Price, Percentage 100.00%    
Percentage of debt principal additional for redemption 1.00%    
Discount rate over Treasury Rate to calculate fair value ratio of redemption price 0.50%    
Debt Instrument, Fixed Charge, Coverage Ratio 2    
SPL [Member] | SPL Senior Notes [Member]      
Debt Instrument [Line Items]      
Debt Instrument, Redemption Price, Percentage 100.00%    
Debt Instrument, Fixed Charge, Coverage Ratio Period 12 months    
Debt Instrument, Fixed Charge, Coverage Ratio 1.25