Quarterly report pursuant to Section 13 or 15(d)

Inventory (Details)

v3.10.0.1
Inventory (Details) - USD ($)
$ in Millions
Jun. 30, 2018
Dec. 31, 2017
Inventory [Line Items]    
Inventory $ 87 $ 95
Natural gas [Member]    
Inventory [Line Items]    
Inventory 14 17
LNG [Member]    
Inventory [Line Items]    
Inventory 18 26
Materials and other [Member]    
Inventory [Line Items]    
Inventory $ 55 $ 52