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Property, Plant and Equipment - Property, Plant and Equipment (Detail) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Property, Plant and Equipment [Line Items]    
Property, plant and equipment Gross $ 5,337 $ 5,484
Less: Accumulated Depreciation (2,983) (2,687)
Property, plant and equipment, net 2,354 2,797
Land [Member]    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment Gross 231 227
Building Improvements [Member]    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment Gross $ 1,309 1,271
Estimated Useful Lives 5-35 Years  
Operating Equipment [Member]    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment Gross $ 2,946 3,140
Estimated Useful Lives 2-20 Years  
Rental Equipment [Member]    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment Gross $ 851 597
Estimated Useful Lives 2-15 Years  
Capital Leases [Member]    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment Gross   $ 249