XML 55 R43.htm IDEA: XBRL DOCUMENT v3.21.2
Inventories (Details) - USD ($)
$ in Millions
Sep. 30, 2021
Dec. 31, 2020
Inventory Disclosure [Abstract]    
Raw materials $ 822 $ 718
Finished product 2,226 2,059
Inventories, gross 3,048 2,777
Inventory reserves (126) (130)
Inventories, net $ 2,922 $ 2,647