Quarterly report pursuant to Section 13 or 15(d)

Inventory (Details)

v3.21.1
Inventory (Details) - USD ($)
$ in Millions
Mar. 31, 2021
Dec. 31, 2020
Inventory [Line Items]    
Inventory $ 103 $ 107
Materials [Member]    
Inventory [Line Items]    
Inventory 82 81
LNG [Member]    
Inventory [Line Items]    
Inventory 11 8
Natural gas [Member]    
Inventory [Line Items]    
Inventory 9 17
Other [Member]    
Inventory [Line Items]    
Inventory $ 1 $ 1