XML 54 R44.htm IDEA: XBRL DOCUMENT v3.19.2
Inventories (Details) - USD ($)
$ in Millions
Jun. 30, 2019
Dec. 31, 2018
Inventory Disclosure [Abstract]    
Raw materials $ 294 $ 257
Work in process 1,788 1,660
Finished goods 1,094 1,023
Total inventories $ 3,176 $ 2,940