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PROPERTY, PLANT AND EQUIPMENT (Tables)
 6 Months Ended
Jun. 30, 2022
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment Property, plant and equipment as of June 30, 2022 and December 31, 2021 consisted of the following (in millions):
20222021
Vehicles$10,181 $10,018 
Aircraft22,507 21,973 
Land2,106 2,140 
Buildings5,794 5,802 
Building and leasehold improvements5,027 5,010 
Plant equipment15,629 15,650 
Technology equipment2,858 2,798 
Construction-in-progress1,520 1,418 
65,622 64,809 
Less: Accumulated depreciation and amortization(32,135)(31,334)
Property, Plant and Equipment, Net$33,487 $33,475