Annual report pursuant to Section 13 and 15(d)

Debt - SPL Working Capital Facility (Details)

v3.19.3.a.u2
Debt - SPL Working Capital Facility (Details) - USD ($)
 12 Months Ended
Dec. 31, 2019
Sep. 30, 2015
SPL Working Capital Facility [Member]    
Line of Credit Facility [Line Items]    
Line of Credit Facility, Maximum Borrowing Capacity $ 1,200,000,000.0  
Debt Instrument, Description of Variable Rate Basis LIBOR or base rate  
SPL Working Capital Facility [Member] | London Interbank Offered Rate (LIBOR) [Member]    
Line of Credit Facility [Line Items]    
Debt Instrument, Basis Spread on Variable Rate 1.75%  
SPL Working Capital Facility [Member] | Base Rate [Member]    
Line of Credit Facility [Line Items]    
Debt Instrument, Basis Spread on Variable Rate 0.75%  
SPL [Member] | SPL Working Capital Facility [Member]    
Line of Credit Facility [Line Items]    
Line of Credit Facility, Maximum Borrowing Capacity   $ 1,200,000,000
Debt Instrument, Description of Variable Rate Basis LIBOR or the base rate  
Line of Credit Facility, Commitment Fee Percentage 0.70%  
Line of Credit Facility, Number of Business Days Notice Required for Repayment of Debt Without Penalty 3 days  
SPL [Member] | SPL Working Capital Facility [Member] | Portion issued and not drawn [Member]    
Line of Credit Facility [Line Items]    
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage 1.75%  
SPL [Member] | SPL Working Capital Facility [Member] | London Interbank Offered Rate (LIBOR) [Member]    
Line of Credit Facility [Line Items]    
Debt Instrument, Basis Spread on Variable Rate 1.75%  
SPL [Member] | SPL Working Capital Facility [Member] | Base Rate [Member]    
Line of Credit Facility [Line Items]    
Debt Instrument, Basis Spread on Variable Rate 0.75%  
SPL [Member] | SPL Working Capital Facility [Member] | Base Rate Determination Federal Funds Rate [Member] | Base Rate [Member]    
Line of Credit Facility [Line Items]    
Debt Instrument, Basis Spread on Variable Rate 0.50%  
SPL [Member] | SPL Working Capital Facility [Member] | Base Rate Determination LIBOR [Member] | Base Rate [Member]    
Line of Credit Facility [Line Items]    
Debt Instrument, Basis Spread on Variable Rate 0.50%  
SPL [Member] | SPL Working Capital Facility [Member] | Maximum [Member]    
Line of Credit Facility [Line Items]    
Line of Credit Facility Permitted Increase $ 760,000,000  
Line of Credit Facility Additional Permitted Increase 390,000,000  
SPL [Member] | Letter of Credit [Member] | Drawn Portion [Member]    
Line of Credit Facility [Line Items]    
Long-term Line of Credit $ 0  
SPL [Member] | Letter of Credit [Member] | Base Rate [Member] | Drawn Portion [Member]    
Line of Credit Facility [Line Items]    
Debt Instrument, Basis Spread on Variable Rate 2.00%  
SPL [Member] | LC Loan [Member] | Maximum [Member]    
Line of Credit Facility [Line Items]    
Debt Instrument, Term 1 year  
SPL [Member] | Swing Line Loan [Member]    
Line of Credit Facility [Line Items]    
Line of Credit Facility, Minimum Period For Termination Date, Number of Business Days 3 days  
SPL [Member] | Swing Line Loan [Member] | Maximum [Member]    
Line of Credit Facility [Line Items]    
Debt Instrument, Term 15 days  
SPL [Member] | Working Capital Loan [Member]    
Line of Credit Facility [Line Items]    
Line of Credit Facility, Annual Temporary Requirement, Balance, Outstanding Principal $ 0  
Line of Credit Facility, Annual Temporary Requirement, Period, Number of Consecutive Business Days 5 days