Quarterly report pursuant to Section 13 or 15(d)

Inventory, net (Details)

v3.19.1
Inventory, net (Details) - USD ($)
$ in Millions
Mar. 31, 2019
Dec. 31, 2018
Inventory Disclosure [Abstract]    
Raw materials $ 6 $ 5
Finished goods 20 23
Allowance for obsolescence (6) (6)
Total inventory, net $ 20 $ 22