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
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Benefit Obligations:      
Balance at beginning of year $ 3,267    
Balance at end of year $ 657 $ 3,267  
Balance at beginning of year, Treasury Stock (400,000)    
Balance at end of year, Treasury Stock (400,000) (400,000)  
Treasury Stock      
Benefit Obligations:      
Balance at beginning of year $ (26) $ (32) $ (37)
Reinvested dividends (1) (2) (2)
Benefit payments 7 8 7
Balance at end of year $ (20) $ (26) $ (32)
Balance at beginning of year, Treasury Stock 0 (1,000,000) (1,000,000)
Reinvested dividends, Treasury Stock 0 0 0
Benefit payments, Treasury Stock 0 1,000,000 0
Balance at end of year, Treasury Stock 0 0 (1,000,000)
Deferred Compensation Obligations      
Benefit Obligations:      
Balance at beginning of year $ 26 $ 32 $ 37
Reinvested dividends (1) (2) (2)
Benefit payments (7) (8) (7)
Balance at end of year $ 20 $ 26 $ 32