Quarterly report pursuant to Section 13 or 15(d)

Inventory (Details)

v3.20.2
Inventory (Details) - USD ($)
$ in Millions
Sep. 30, 2020
Dec. 31, 2019
Inventory [Line Items]    
Inventory $ 113 $ 116
Natural gas [Member]    
Inventory [Line Items]    
Inventory 13 9
LNG [Member]    
Inventory [Line Items]    
Inventory 18 27
Materials and other [Member]    
Inventory [Line Items]    
Inventory $ 82 $ 80