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 ($)
shares in Millions, $ in Millions
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Stockholders Equity Note [Line Items]      
Document Fiscal Year Focus 2015    
Benefit Obligations:      
Balance at beginning of year $ 2,141    
Balance at end of period $ 2,470 $ 2,141  
Balance at beginning of year, Treasury Stock (1)    
Balance at end of year, Treasury Stock (1) (1)  
Treasury Stock      
Benefit Obligations:      
Balance at beginning of year $ (59) $ (69) $ (78)
Reinvested dividends (3) (2) (4)
Options exercise deferrals 0 0 0
Benefit payments 11 12 13
Balance at end of period $ (51) $ (59) $ (69)
Balance at beginning of year, Treasury Stock (1) (1) (1)
Reinvested dividends, Treasury Stock 0 0  
Options exercise deferrals, Treasury Stock 0 0 0
Benefit payments, Treasury Stock 0 0 0
Balance at end of year, Treasury Stock (1) (1) (1)
Deferred Compensation Obligations      
Benefit Obligations:      
Balance at beginning of year $ 59 $ 69 $ 78
Reinvested dividends (3) (2) (4)
Options exercise deferrals 0 0 0
Benefit payments (11) (12) (13)
Balance at end of period $ 51 $ 59 $ 69