Current report filing

Inventory (Details)

v3.8.0.1
Inventory (Details) - USD ($)
$ in Millions
Dec. 31, 2017
Dec. 31, 2016
Inventory [Line Items]    
Inventory $ 95 $ 97
Natural gas [Member]    
Inventory [Line Items]    
Inventory 17 15
LNG [Member]    
Inventory [Line Items]    
Inventory 26 45
Materials and other [Member]    
Inventory [Line Items]    
Inventory $ 52 $ 37