Quarterly report pursuant to Section 13 or 15(d)

PROPERTY, PLANT AND EQUIPMENT (Detail)

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PROPERTY, PLANT AND EQUIPMENT (Detail) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Dec. 31, 2020
Property, Plant and Equipment [Line Items]          
Property, Plant and Equipment, Gross $ 63,329   $ 63,329   $ 62,091
Less: Accumulated depreciation and amortization (30,698)   (30,698)   (29,837)
Property, plant and equipment, net 32,631   32,631   32,254
Tangible Asset Impairment Charges 0 $ 0 24 $ 0  
Vehicles          
Property, Plant and Equipment [Line Items]          
Property, Plant and Equipment, Gross 9,963   9,963   9,786
Aircraft          
Property, Plant and Equipment [Line Items]          
Property, Plant and Equipment, Gross 21,093   21,093   20,549
Land          
Property, Plant and Equipment [Line Items]          
Property, Plant and Equipment, Gross 2,056   2,056   2,052
Buildings          
Property, Plant and Equipment [Line Items]          
Property, Plant and Equipment, Gross 5,699   5,699   5,425
Building and leasehold improvements          
Property, Plant and Equipment [Line Items]          
Property, Plant and Equipment, Gross 4,980   4,980   4,921
Plant equipment          
Property, Plant and Equipment [Line Items]          
Property, Plant and Equipment, Gross 15,132   15,132   14,684
Technology equipment          
Property, Plant and Equipment [Line Items]          
Property, Plant and Equipment, Gross 2,774   2,774   2,626
Construction-in-progress          
Property, Plant and Equipment [Line Items]          
Property, Plant and Equipment, Gross $ 1,632   $ 1,632   $ 2,048