XML 45 R34.htm IDEA: XBRL DOCUMENT v3.8.0.1
Other Financial Information Other Financial Information (Inventories) (Details) - USD ($)
$ in Millions
Dec. 31, 2017
Sep. 30, 2017
Inventory Disclosure [Abstract]    
Finished products $ 641 $ 560
Raw materials and work in process 1,204 1,136
Total $ 1,845 $ 1,696