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Property, Plant and Equipment - Property, Plant and Equipment (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Property, Plant and Equipment [Line Items]    
Property, plant and equipment Gross $ 5,448 $ 5,276
Less: Accumulated Depreciation (2,298) (2,152)
Property, plant and equipment, net 3,150 3,124
Land and Buildings [Member]    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment Gross $ 1,570 1,565
Estimated Useful Lives 5-35 Years  
Operating Equipment [Member]    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment Gross $ 3,102 3,055
Estimated Useful Lives 3-15 Years  
Rental Equipment [Member]    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment Gross $ 557 639
Estimated Useful Lives 3-12 Years  
Capital Leases [Member]    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment Gross $ 219 $ 17
Estimated Useful Lives 20-24 Years