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, 2016
Dec. 31, 2015
Schedule of Capital Lease Obligations [Line Items]    
Vehicles $ 68 $ 74
Aircraft 2,291 2,289
Buildings 190 207
Accumulated amortization (896) (849)
Total capital lease obligations, net $ 1,653 $ 1,721