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Property, Plant and Equipment (Schedule of Property, Plant and Equipment) (Details) - USD ($)
$ in Millions
Dec. 31, 2019
Dec. 31, 2018
Property, Plant and Equipment [Abstract]    
Buildings and improvements $ 1,402 $ 1,352
Machinery and equipment 5,836 5,562
Land and improvements 298 280
Construction in progress 276 323
Property, plant and equipment, gross 7,812 7,517
Less: accumulated depreciation and amortization (3,925) (3,772)
Property, plant and equipment, net $ 3,887 $ 3,745