Annual report pursuant to Section 13 and 15(d)

Derivative Instruments - Schedule of Level 3 Derivatives Activity (Details)

v3.20.4
Derivative Instruments - Schedule of Level 3 Derivatives Activity (Details) - Physical Liquefaction Supply Derivatives [Member] - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Fair Value, Assets (Liabilities) Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning of period $ 138 $ (29) $ 43
Realized and mark-to-market gains (losses):      
Included in cost of sales 156 (77) (13)
Purchases and settlements:      
Purchases 5 199 (31)
Settlements (65) 44 (29)
Transfers into Level 3, net [1] 7 1 1
Balance, end of period 241 138 (29)
Change in unrealized gains (losses) relating to instruments still held at end of period $ 156 $ (77) $ (13)
[1] Transferred into Level 3 as a result of unobservable market for the underlying natural gas purchase agreements.