XML 58 R44.htm IDEA: XBRL DOCUMENT v3.21.1
Inventories (Details) - USD ($)
$ in Millions
Mar. 31, 2021
Dec. 31, 2020
Inventory Disclosure [Abstract]    
Raw materials $ 766 $ 718
Finished product 1,990 2,059
Inventories, gross 2,756 2,777
Inventory reserves (121) (130)
Inventories, net $ 2,635 $ 2,647