Annual report pursuant to Section 13 and 15(d)

DEBT AND FINANCING ARRANGEMENTS - Recorded Value of Property, Plant and Equipment Subject To Capital Leases (Detail)

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DEBT AND FINANCING ARRANGEMENTS - Recorded Value of Property, Plant and Equipment Subject To Capital Leases (Detail) - Assets Held under Capital Leases - USD ($)
$ in Millions
Dec. 31, 2018
Dec. 31, 2017
Schedule of Capital Lease Obligations [Line Items]    
Aircraft $ 2,291 $ 2,291
Vehicles, plant equipment, technology equipment and other 22 70
Buildings 265 285
Accumulated amortization (924) (990)
Total capital lease obligations, net $ 1,654 $ 1,656