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Inventories - Components of Net Inventories (Detail) - USD ($)
$ in Millions
Sep. 30, 2021
Dec. 31, 2020
Inventory Disclosure [Abstract]    
Raw materials and supplies $ 314 $ 252
Work-in-process 159 157
Finished products 1,625 1,229
Total inventories $ 2,098 $ 1,638