Quarterly report pursuant to Section 13 or 15(d)

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

v3.19.2
Derivative Instruments - Schedule of Level 3 Derivatives Activity (Details) - Liquefaction Supply Derivatives [Member] - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Balance, beginning of period $ 31 $ 10 $ (29) $ 43
Realized and mark-to-market gains (losses):        
Included in costs of sales 7 (1) 23 (12)
Purchases and settlements:        
Purchases 50 6 50 6
Settlements 1 (4) 45 (25)
Transfers out of Level 3 [1] 0 1 0 0
Balance, end of period 89 12 89 12
Change in unrealized gains (losses) relating to instruments still held at end of period $ 7 $ (1) $ 23 $ (12)
[1] Transferred to Level 2 as a result of observable market for the underlying natural gas purchase agreements.