Annual report pursuant to Section 13 and 15(d)

Debt - SPL Working Capital Facility (Details)

v3.8.0.1
Debt - SPL Working Capital Facility (Details)
 12 Months Ended
Dec. 31, 2017
USD ($)
Line of Credit Facility [Line Items]  
Debt Instrument, Description of Variable Rate Basis LIBOR or the base rate
SPL Working Capital Facility [Member]  
Line of Credit Facility [Line Items]  
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, 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
SPL [Member] | SPL Working Capital Facility [Member] | Completion of Train Six Financing [Member] | Maximum [Member]  
Line of Credit Facility [Line Items]  
Line of Credit Facility 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] | 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
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] | LC Loan [Member] | Maximum [Member]  
Line of Credit Facility [Line Items]  
Debt Instrument, Term 1 year