XML 97 R64.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Inventory, net (Details) - USD ($)
$ in Millions
Dec. 31, 2019
Dec. 31, 2018
Inventory Disclosure [Abstract]    
Raw materials $ 3 $ 5
Finished goods 13 23
Allowance for obsolescence (5) (6)
Total inventory, net $ 11 $ 22