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Inventories - Components of Net Inventories (Detail) - USD ($)
$ in Millions
Sep. 30, 2020
Dec. 31, 2019
Inventory Disclosure [Abstract]    
Raw materials and supplies $ 275 $ 231
Work-in-process 146 135
Finished products 1,297 1,240
Total inventories $ 1,718 $ 1,606