Annual report pursuant to Section 13 and 15(d)

SHAREOWNERS' EQUITY - Activity in Deferred Compensation Program (Detail)

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SHAREOWNERS' EQUITY - Activity in Deferred Compensation Program (Detail) (USD $)
In Millions, except Share data, unless otherwise specified
 12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Benefit Obligations:      
Balance at end of period $ 4,653 $ 7,035  
Balance at end of year, Treasury Stock (1,000,000) (2,000,000)  
Treasury Stock
      
Benefit Obligations:      
Balance at beginning of year (88) (103) (108)
Reinvested dividends (3) (4) (4)
Options exercise deferrals 0 0 (1)
Benefit payments 13 19 10
Balance at end of period (78) (88) (103)
Balance at beginning of year, Treasury Stock (2,000,000) (2,000,000) (2,000,000)
Reinvested dividends, Treasury Stock 0 0  
Options exercise deferrals, Treasury Stock 0 0 0
Benefit payments, Treasury Stock 1,000,000 0  
Balance at end of year, Treasury Stock (1,000,000) (2,000,000) (2,000,000)
Deferred Compensation Obligations
      
Benefit Obligations:      
Balance at beginning of year 88 103 108
Reinvested dividends 3 4 4
Options exercise deferrals 0 0 1
Benefit payments (13) (19) (10)
Balance at end of period $ 78 $ 88 $ 103