XML 43 R28.htm IDEA: XBRL DOCUMENT v3.21.1
Inventories (Details) - USD ($)
$ in Millions
Mar. 31, 2021
Dec. 31, 2020
Inventory, Net [Abstract]    
Finished products and parts $ 1,337 $ 1,330
Raw materials and supplies 935 952
Work in process 77 67
Inventory, net $ 2,349 $ 2,349