Quarterly report pursuant to Section 13 or 15(d)

SHAREOWNERS' EQUITY - Additional Information (Detail)

v3.21.2
SHAREOWNERS' EQUITY - Additional Information (Detail)
$ / shares in Units, $ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2021
USD ($)
Vote
Classes_of_Common_Stock
$ / shares
shares
Jun. 30, 2021
USD ($)
Sep. 30, 2020
USD ($)
shares
Sep. 30, 2021
USD ($)
Vote
Classes_of_Common_Stock
$ / shares
shares
Sep. 30, 2020
USD ($)
shares
Aug. 31, 2021
USD ($)
May 31, 2016
USD ($)
Stockholders Equity Note [Line Items]              
Classes of Common Stock, Number | Classes_of_Common_Stock 2     2      
Preferred stock, shares authorized | shares 200,000,000     200,000,000      
Preferred stock, par value | $ / shares $ 0.01     $ 0.01      
Preferred stock, issued | shares 0     0      
Purchases of common stock       $ 500 $ 224    
Change in non-controlling minority interest $ (1)   $ 1 $ 4 $ (2)    
Other Comprehensive Income (Loss), Defined Benefit Plan, Plan Amendments, Reclassification Adjustment from AOCI, before Tax   $ 66          
May 2016 Share Repurchase Program              
Stockholders Equity Note [Line Items]              
Common stock authorized for purchase, amount             $ 8,000
Common stock purchases | shares 0   0 0 2,100,000    
Total of Class A and Class B common stock, repurchased, value         $ 217    
Purchases of common stock         224    
August 2021 Share Repurchase Program              
Stockholders Equity Note [Line Items]              
Common stock authorized for purchase, amount           $ 5,000  
Common stock purchases | shares 2,600,000     2,600,000      
Total of Class A and Class B common stock, repurchased, value $ 500     $ 500      
Share repurchase authorization available $ 4,500     $ 4,500      
Class A common stock              
Stockholders Equity Note [Line Items]              
Votes per common share | Vote 10     10      
Common stock, par value | $ / shares $ 0.01     $ 0.01      
Common stock, shares authorized | shares 4,600,000,000     4,600,000,000      
Class B common stock              
Stockholders Equity Note [Line Items]              
Votes per common share | Vote 1     1      
Common stock, par value | $ / shares $ 0.01     $ 0.01      
Common stock, shares authorized | shares 5,600,000,000     5,600,000,000      
Net income              
Stockholders Equity Note [Line Items]              
TotalOtherComprehensiveIncomeReclassification, Net of Tax $ (15)   $ (15) $ 2,452 (2)    
Unrealized gain (loss) on cash flow hedges, net of tax:              
Stockholders Equity Note [Line Items]              
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Tax (5)   (8) (9) (39)    
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax 14   27 27 125    
Unrealized gain (loss) on cash flow hedges, net of tax: | Income tax expense              
Stockholders Equity Note [Line Items]              
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Tax (5)   (8) (9) (39)    
Unrealized gain (loss) on cash flow hedges, net of tax: | Net income              
Stockholders Equity Note [Line Items]              
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax 14   27 27 125    
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]              
Stockholders Equity Note [Line Items]              
Reclassification to earnings (net of tax effect of $_ and $12) (29)   (43) (2,421) 130    
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] | Income tax expense              
Stockholders Equity Note [Line Items]              
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax 9   13 (763) 40    
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] | Net income              
Stockholders Equity Note [Line Items]              
Reclassification to earnings (net of tax effect of $_ and $12) (29)   (43) 2,421 (130)    
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] | Investment income and other              
Stockholders Equity Note [Line Items]              
Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, before Tax (38)   (56) (109) (170)    
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, before Tax       3,290 0    
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] | Other expenses              
Stockholders Equity Note [Line Items]              
Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, before Tax 0   0 69 0    
Other Comprehensive Income (Loss), Defined Benefit Plan, Plan Amendments, Reclassification Adjustment from AOCI, before Tax 0   0 (66) 0    
Accumulated Net Investment Gain (Loss) Attributable to Parent [Member]              
Stockholders Equity Note [Line Items]              
Reclassification to earnings, tax effect 0   0 0 (1)    
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax 0   1 4 3    
Accumulated Net Investment Gain (Loss) Attributable to Parent [Member] | Income tax expense              
Stockholders Equity Note [Line Items]              
Reclassification to earnings, tax effect 0   0 0 (1)    
Accumulated Net Investment Gain (Loss) Attributable to Parent [Member] | Net income              
Stockholders Equity Note [Line Items]              
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax 0   1 4 3    
Accumulated Net Investment Gain (Loss) Attributable to Parent [Member] | Investment income and other              
Stockholders Equity Note [Line Items]              
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, before Tax 0   1 4 4    
Foreign Exchange Contracts | Interest expense              
Stockholders Equity Note [Line Items]              
Amount of gain or (loss) reclassified from accumulated other comprehensive income 0   0 0 0    
Foreign Exchange Contracts | Investment income and other              
Stockholders Equity Note [Line Items]              
Amount of gain or (loss) reclassified from accumulated other comprehensive income 0   0 0 0    
Foreign Exchange Contracts | Revenue              
Stockholders Equity Note [Line Items]              
Amount of gain or (loss) reclassified from accumulated other comprehensive income 22   38 44 173    
Foreign Exchange Contracts | Unrealized gain (loss) on cash flow hedges, net of tax: | Revenue              
Stockholders Equity Note [Line Items]              
Amount of gain or (loss) reclassified from accumulated other comprehensive income 22   38 44 173    
Interest Contracts | Interest expense              
Stockholders Equity Note [Line Items]              
Amount of gain or (loss) reclassified from accumulated other comprehensive income (3)   (3) (8) (9)    
Interest Contracts | Investment income and other              
Stockholders Equity Note [Line Items]              
Amount of gain or (loss) reclassified from accumulated other comprehensive income 0   0 0 0    
Interest Contracts | Revenue              
Stockholders Equity Note [Line Items]              
Amount of gain or (loss) reclassified from accumulated other comprehensive income 0   0 0 0    
Interest Contracts | Unrealized gain (loss) on cash flow hedges, net of tax: | Interest expense              
Stockholders Equity Note [Line Items]              
Amount of gain or (loss) reclassified from accumulated other comprehensive income $ (3)   $ (3) $ (8) $ (9)