Quarterly report pursuant to Section 13 or 15(d)

Inventory (Details)

v3.21.2
Inventory (Details) - USD ($)
$ in Millions
Jun. 30, 2021
Dec. 31, 2020
Inventory [Line Items]    
Inventory $ 116 $ 107
Materials [Member]    
Inventory [Line Items]    
Inventory 81 81
LNG [Member]    
Inventory [Line Items]    
Inventory 9 8
Natural gas [Member]    
Inventory [Line Items]    
Inventory 25 17
Other [Member]    
Inventory [Line Items]    
Inventory $ 1 $ 1