Quarterly report pursuant to Section 13 or 15(d)

SHAREOWNERS' EQUITY - Gains (Losses) Reclassified from AOCI (Detail)

v3.20.2
SHAREOWNERS' EQUITY - Gains (Losses) Reclassified from AOCI (Detail) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Net Income [Member] [Member]        
AmountsReclassifiedFromAOCI [Line Items]        
TotalOtherComprehensiveIncomeReclassification, Net of Tax $ (15) $ 7 $ (2) $ (39)
Accumulated Net Unrealized Investment Gain (Loss) [Member]        
AmountsReclassifiedFromAOCI [Line Items]        
Reclassification to earnings, tax effect 0 (1) (1) (1)
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax 1 5 3 5
Accumulated Net Unrealized Investment Gain (Loss) [Member] | Income Tax Expense Benefit [Member]        
AmountsReclassifiedFromAOCI [Line Items]        
Reclassification to earnings, tax effect 0 (1) (1) (1)
Accumulated Net Unrealized Investment Gain (Loss) [Member] | Net Income [Member] [Member]        
AmountsReclassifiedFromAOCI [Line Items]        
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax 1 5 3 5
Accumulated Net Unrealized Investment Gain (Loss) [Member] | Investment Income and Other        
AmountsReclassifiedFromAOCI [Line Items]        
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, before Tax 1 6 4 6
Unrealized gain (loss) on cash flow hedges, net of tax:        
AmountsReclassifiedFromAOCI [Line Items]        
Reclassification to earnings, tax effect (8) (14) (39) (27)
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax 27 45 125 85
Unrealized gain (loss) on cash flow hedges, net of tax: | Income Tax Expense Benefit [Member]        
AmountsReclassifiedFromAOCI [Line Items]        
Reclassification to earnings, tax effect (8) (14) (39) (27)
Unrealized gain (loss) on cash flow hedges, net of tax: | Net Income [Member] [Member]        
AmountsReclassifiedFromAOCI [Line Items]        
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax 27 45 125 85
Unrealized gain (loss) on cash flow hedges, net of tax: | Interest rate contracts | Interest Expense        
AmountsReclassifiedFromAOCI [Line Items]        
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, before Tax (3) (3) (9) (12)
Unrealized gain (loss) on cash flow hedges, net of tax: | Foreign exchange contracts | Revenue        
AmountsReclassifiedFromAOCI [Line Items]        
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, before Tax 38 62 173 124
Accumulated Defined Benefit Plans Adjustment [Member] | Income Tax Expense Benefit [Member]        
AmountsReclassifiedFromAOCI [Line Items]        
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax 13 14 40 41
Accumulated Defined Benefit Plans Adjustment [Member] | Net Income [Member] [Member]        
AmountsReclassifiedFromAOCI [Line Items]        
Other Comprehensive Income (Loss), Reclassification, Pension and Other Postretirement Benefit Plans, Net Gain (Loss) Recognized in Net Periodic Benefit Cost, Net of Tax (43) (43) (130) (129)
Accumulated Defined Benefit Plans Adjustment [Member] | Investment Income and Other        
AmountsReclassifiedFromAOCI [Line Items]        
Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, before Tax $ (56) $ (57) $ (170) $ (170)