Annual report pursuant to Section 13 and 15(d)

SHAREOWNERS' EQUITY - Activity in Accumulated Other Comprehensive Income (Loss) (Phantom) (Detail)

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SHAREOWNERS' EQUITY - Activity in Accumulated Other Comprehensive Income (Loss) (Phantom) (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Foreign currency translation gain (loss)      
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Aggregate adjustment for the period, tax effect $ 147 $ (5) $ (9)
Unrealized gain (loss) on marketable securities, net of tax      
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Current period changes in fair value, tax effect 1 (3) 4
Reclassification to earnings, tax effect 0 (2) (3)
Unrealized gain (loss) on cash flow hedges, net of tax      
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Current period changes in fair value, tax effect 133 1 (25)
Reclassification to earnings, tax effect 35 39 (24)
Unrecognized pension and postretirement benefit costs, net of tax      
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Reclassification to earnings, tax effect 870 67 1,876
Net actuarial gain (loss) and prior service cost resulting from remeasurements of plan assets and liabilities, tax effect $ (2,714) $ 1,786 $ (2,151)