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, 2015
Dec. 31, 2014
Schedule of Capital Lease Obligations [Line Items]    
Vehicles $ 74 $ 86
Aircraft 2,289 2,289
Buildings 207 197
Accumulated amortization (849) (781)
Total capital lease obligations, net $ 1,721 $ 1,791