Quarterly report pursuant to Section 13 or 15(d)

Derivative Instruments - Schedule of Level 3 Activity (Details)

v3.19.1
Derivative Instruments - Schedule of Level 3 Activity (Details) - Physical Liquefaction Supply Derivatives [Member] - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Balance, beginning of period $ (25) $ 43
Realized and mark-to-market gains (losses):    
Included in cost of sales 9 (13)
Purchases and settlements:    
Purchases 0 3
Settlements 45 (23)
Balance, end of period 29 10
Change in unrealized gains (losses) relating to instruments still held at end of period $ 9 $ (13)