Annual report pursuant to Section 13 and 15(d)

PROPERTY, PLANT AND EQUIPMENT (Detail)

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PROPERTY, PLANT AND EQUIPMENT (Detail) - USD ($)
 12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Property, Plant and Equipment [Line Items]      
Property, plant and equipment, gross $ 54,488,000,000 $ 48,726,000,000  
Less: Accumulated depreciation and amortization (27,912,000,000) (26,608,000,000)  
Property, plant and equipment, net 26,576,000,000 22,118,000,000  
Asset impairment charges 0 0 $ 0
Vehicles      
Property, Plant and Equipment [Line Items]      
Property, plant and equipment, gross 9,820,000,000 9,365,000,000  
Aircraft      
Property, Plant and Equipment [Line Items]      
Property, plant and equipment, gross 17,499,000,000 16,248,000,000  
Land      
Property, Plant and Equipment [Line Items]      
Property, plant and equipment, gross 2,000,000,000 1,582,000,000  
Buildings      
Property, Plant and Equipment [Line Items]      
Property, plant and equipment, gross 4,808,000,000 4,035,000,000  
Building and leasehold improvements      
Property, Plant and Equipment [Line Items]      
Property, plant and equipment, gross 4,323,000,000 3,934,000,000  
Plant equipment      
Property, Plant and Equipment [Line Items]      
Property, plant and equipment, gross 11,833,000,000 9,387,000,000  
Technology equipment      
Property, Plant and Equipment [Line Items]      
Property, plant and equipment, gross 2,093,000,000 1,907,000,000  
Equipment under operating leases      
Property, Plant and Equipment [Line Items]      
Property, plant and equipment, gross 0 29,000,000  
Construction-in-progress      
Property, Plant and Equipment [Line Items]      
Property, plant and equipment, gross $ 2,112,000,000 $ 2,239,000,000