Quarterly report pursuant to Section 13 or 15(d)

Property Plant and Equipment (Detail)

v3.4.0.3
Property Plant and Equipment (Detail) - USD ($)
 3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Dec. 31, 2015
Property, Plant and Equipment [Line Items]      
Property, Plant and Equipment, Gross $ 42,306,000,000   $ 41,918,000,000
Less: Accumulated depreciation and amortization (24,021,000,000)   (23,566,000,000)
Property, plant and equipment, net 18,285,000,000   18,352,000,000
Impairment charges on property plant and equipment 0 $ 0  
Vehicles [Member]      
Property, Plant and Equipment [Line Items]      
Property, Plant and Equipment, Gross 8,214,000,000   8,111,000,000
Aircraft (including aircraft under capital leases) [Member]      
Property, Plant and Equipment [Line Items]      
Property, Plant and Equipment, Gross 15,817,000,000   15,815,000,000
Land [Member]      
Property, Plant and Equipment [Line Items]      
Property, Plant and Equipment, Gross 1,285,000,000   1,263,000,000
Buildings [Member]      
Property, Plant and Equipment [Line Items]      
Property, Plant and Equipment, Gross 3,332,000,000   3,280,000,000
Building and leasehold improvements [Member]      
Property, Plant and Equipment [Line Items]      
Property, Plant and Equipment, Gross 3,520,000,000   3,450,000,000
Plant Equipment [Member]      
Property, Plant and Equipment [Line Items]      
Property, Plant and Equipment, Gross 8,149,000,000   8,026,000,000
Technology equipment [Member]      
Property, Plant and Equipment [Line Items]      
Property, Plant and Equipment, Gross 1,688,000,000   1,670,000,000
Equipment under operating leases [Member]      
Property, Plant and Equipment [Line Items]      
Property, Plant and Equipment, Gross 29,000,000   30,000,000
Construction-in-progress [Member]      
Property, Plant and Equipment [Line Items]      
Property, Plant and Equipment, Gross $ 272,000,000   $ 273,000,000