Annual report pursuant to Section 13 and 15(d)

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

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SHAREOWNERS' EQUITY - Activity in Accumulated Other Comprehensive Income (Loss) (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Accumulated Other Comprehensive Income (Loss) [Roll Forward]      
Balance at beginning of year $ (7,113) $ (5,997)  
Translation adjustment, net of tax effect (181) 97 $ 48
Current period changes in fair value, net of tax effect (7) 2 6
Current period changes in fair value, net of tax effect 206 (335) 72
Balance at end of period (3,278) (7,113) (5,997)
Foreign currency translation gain (loss)      
Accumulated Other Comprehensive Income (Loss) [Roll Forward]      
Balance at beginning of year (981) (1,078) (1,126)
Translation adjustment, net of tax effect (181) 97 48
Balance at end of period (1,162) (981) (1,078)
Unrealized gain (loss) on marketable securities, net of tax      
Accumulated Other Comprehensive Income (Loss) [Roll Forward]      
Balance at beginning of year 6 4 (2)
Current period changes in fair value, net of tax effect (2) 6 11
Reclassification to earnings, net of tax effect (5) (4) (5)
Balance at end of period (1) 6 4
Unrealized gain (loss) on cash flow hedges, net of tax      
Accumulated Other Comprehensive Income (Loss) [Roll Forward]      
Balance at beginning of year (223) 112 40
Current period changes in fair value, net of tax effect 261 (192) 195
Reclassification to earnings, net of tax effect (55) (143) (123)
Balance at end of period (17) (223) 112
Unrecognized pension and postretirement benefit costs, net of tax      
Accumulated Other Comprehensive Income (Loss) [Roll Forward]      
Balance at beginning of year (5,915) (5,035) (3,906)
Net actuarial gain (loss) resulting from remeasurements of plan assets and liabilities (net of tax effect of $1,956, $(1,885) and $(979)) 6,195 (5,984) (3,117)
Reclassification to earnings (net of tax effect of $(749), $1,607 and $626) (2,378) 5,104 1,988
Balance at end of period $ (2,098) $ (5,915) $ (5,035)