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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, unless otherwise specified  | 
        
           Dec. 31, 2012 
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           Dec. 31, 2011 
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           Assets Held under Capital Leases 
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| Schedule of Capital Lease Obligations [Line Items] | ||
| Vehicles | $ 63 | $ 35 | 
| Aircraft | 2,282 | 2,282 | 
| Buildings | 65 | 24 | 
| Plant Equipment | 2 | 2 | 
| Technology Equipment | 3 | 1 | 
| Accumulated amortization | (611) | (457) | 
| Total capital lease obligations, net | $ 1,804 | $ 1,887 | 
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- Definition 
          Long lived, depreciable assets used for the primary purpose of air transportation. No definition available. 
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- Definition 
          Long lived, depreciable structure held for productive use, including office, production, storage and distribution facilities. No definition available. 
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- Definition 
          Long lived, depreciable assets used in the creation, maintenance and utilization of information systems which include computers and peripherals. No definition available. 
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- Details 
          
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- Definition 
          Long lived, depreciable assets used primarily for road transportation. No definition available. 
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- Definition 
          The total gross amount less the charge for the use of the long-lived depreciable assets subject to a lease meeting the criteria for capitalization. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition 
          The total charge for the use of long-lived depreciable assets subject to a lease meeting the criteria for capitalization. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition 
          Gross amount of fixtures and equipment as of the date of the statement of financial position. Fixtures may include and consist of: machinery, equipment, engines, boilers, incinerators, installed building materials; systems and equipment for the purpose of supplying or distributing heating, cooling, electricity, gas, water, air, or light; antennas, cable, wiring and conduits used in connection with radio, television, security, fire prevention, or fire detection or otherwise used to carry electronic signals; telephone systems and equipment; elevators and related machinery and equipment; fire detection, prevention and extinguishing systems and apparatus; security and access control systems and apparatus; plumbing systems; water heaters, ranges, stoves, microwave ovens, refrigerators, dishwashers, garbage disposers, washers, dryers and other appliances; light fixtures, awnings, storm windows and storm doors; pictures, screens, blinds, shades, curtains and curtain rods; mirrors; cabinets, paneling, rugs and floor and wall coverings; fences, trees and plants; swimming pools; and such other items as defined by the reporting entity. No definition available. 
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