Quarterly report pursuant to Section 13 or 15(d)

Inventory, net (Details)

v3.19.2
Inventory, net (Details) - USD ($)
$ in Millions
Jun. 30, 2019
Dec. 31, 2018
Inventory Disclosure [Abstract]    
Raw materials $ 4 $ 5
Finished goods 19 23
Allowance for obsolescence (6) (6)
Total inventory, net $ 17 $ 22