Quarterly report pursuant to Section 13 or 15(d)

Inventory (Details)

v3.19.1
Inventory (Details) - USD ($)
$ in Millions
Mar. 31, 2019
Dec. 31, 2018
Inventory [Line Items]    
Inventory $ 109 $ 99
Natural gas [Member]    
Inventory [Line Items]    
Inventory 10 28
LNG [Member]    
Inventory [Line Items]    
Inventory 25 6
Materials and other [Member]    
Inventory [Line Items]    
Inventory $ 74 $ 65