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Description of Business and Summary of Significant Accounting Policies - Schedule of Inventory (Details) - USD ($)
$ in Millions
Dec. 31, 2019
Dec. 31, 2018
Inventory, Net [Abstract]    
Raw material $ 452 $ 523
Work-in-process 131 161
Finished goods 670 731
LIFO reserve (89) (97)
Total inventories $ 1,164 $ 1,318