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Property, Plant and Equipment (Schedule of Property, Plant and Equipment) (Details) - USD ($)
$ in Millions
Dec. 31, 2020
Dec. 31, 2019
Property, Plant and Equipment [Abstract]    
Buildings and improvements $ 1,419 $ 1,402
Machinery and equipment 6,166 5,836
Land and improvements 307 298
Construction in progress 514 276
Property, plant and equipment, gross 8,406 7,812
Less: accumulated depreciation and amortization (4,208) (3,925)
Property, plant and equipment, net $ 4,198 $ 3,887