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Inventories (Additional Information) (Details) - USD ($)
$ in Millions
Mar. 31, 2020
Dec. 31, 2019
Inventory Disclosure [Line Items]    
First-in, first-out method of inventory valuation, amount of increase in inventory value $ 120 $ 124
UNITED STATES    
Inventory Disclosure [Line Items]    
U.S. inventories as a percentage of total inventories 36.00% 34.00%