Quarterly report pursuant to Section 13 or 15(d)

Derivative Instruments - Schedule of Level 3 Activity (Details)

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Derivative Instruments - Schedule of Level 3 Activity (Details) - Physical Liquefaction Supply Derivatives [Member] - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Balance, beginning of period $ (21) $ 24
Realized and mark-to-market gains (losses):    
Included in cost of sales (12) 25
Purchases and settlements:    
Purchases 1 1
Settlements (4) (3)
Transfers into Level 3, net [1] 0 2
Balance, end of period (36) 49
Change in unrealized gains (losses) relating to instruments still held at end of period $ (12) $ 25
[1] Transferred into Level 3 as a result of unobservable market, or out of Level 3 as a result of observable market for the underlying natural gas purchase agreements.