Quarterly report pursuant to Section 13 or 15(d)

Activity in Accumulated Other Comprehensive Income (Loss) (Detail)

v3.20.2
Activity in Accumulated Other Comprehensive Income (Loss) (Detail) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Accumulated Other Comprehensive Income (Loss) [Roll Forward]        
Balance at beginning of period     $ (5,997)  
Translation adjustment (net of tax effect of $(14) and $(7)) $ 10 $ (33) (131) $ 20
Current period changes in fair value (net of tax effect of $1 and $3) 3 5 5 9
Current period changes in fair value (net of tax effect of $(20) and $5) (114) (12) 103 64
Balance at end of period (5,933) (4,815) (5,933) (4,815)
Reclassification to earnings, tax effect (1) 0 (1) 0
Foreign currency translation gain (loss):        
Accumulated Other Comprehensive Income (Loss) [Roll Forward]        
Balance at beginning of period (1,219) (1,073) (1,078) (1,126)
Translation adjustment (net of tax effect of $(14) and $(7)) 10 (33) (131) 20
Balance at end of period (1,209) (1,106) (1,209) (1,106)
Accumulated Net Investment Gain (Loss) Attributable to Parent [Member]        
Accumulated Other Comprehensive Income (Loss) [Roll Forward]        
Balance at beginning of period 6 2 4 (2)
Current period changes in fair value (net of tax effect of $1 and $3) 5 5 7 9
Balance at end of period 9 7 9 7
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax 2 0 (2) 0
Unrealized gain (loss) on cash flow hedges, net of tax:        
Accumulated Other Comprehensive Income (Loss) [Roll Forward]        
Balance at beginning of period 329 116 112 40
Current period changes in fair value (net of tax effect of $(20) and $5) (62) 15 201 104
Reclassification to earnings (net of tax effect of $(16) and $(9)) 52 27 (98) (40)
Balance at end of period 215 104 215 104
Reclassification to earnings, tax effect (16) (9) (31) (13)
Accumulated Defined Benefit Plans Adjustment [Member]        
Accumulated Other Comprehensive Income (Loss) [Roll Forward]        
Balance at beginning of period (4,992) (3,863) (5,035) (3,906)
Remeasurement of plan assets and liabilities (net of tax effect of $0 and $214) (1) 44 43 87 86
Balance at end of period (4,948) (3,820) (4,948) (3,820)
Income Tax Expense Benefit [Member] | Accumulated Net Investment Gain (Loss) Attributable to Parent [Member]        
Accumulated Other Comprehensive Income (Loss) [Roll Forward]        
Reclassification to earnings, tax effect (1) 0 (1) 0
Income Tax Expense Benefit [Member] | Unrealized gain (loss) on cash flow hedges, net of tax:        
Accumulated Other Comprehensive Income (Loss) [Roll Forward]        
Reclassification to earnings, tax effect (16) (9) (31) (13)
Income Tax Expense Benefit [Member] | Accumulated Defined Benefit Plans Adjustment [Member]        
Accumulated Other Comprehensive Income (Loss) [Roll Forward]        
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax 13 14 27 27
Net Income [Member] [Member]        
Accumulated Other Comprehensive Income (Loss) [Roll Forward]        
TotalOtherComprehensiveIncomeReclassification, Net of Tax 10 (16) 13 (46)
Net Income [Member] [Member] | Accumulated Net Investment Gain (Loss) Attributable to Parent [Member]        
Accumulated Other Comprehensive Income (Loss) [Roll Forward]        
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax (2) 0 (2) 0
Net Income [Member] [Member] | Unrealized gain (loss) on cash flow hedges, net of tax:        
Accumulated Other Comprehensive Income (Loss) [Roll Forward]        
Reclassification to earnings (net of tax effect of $(16) and $(9)) (52) (27) (98) (40)
Net Income [Member] [Member] | Accumulated Defined Benefit Plans Adjustment [Member]        
Accumulated Other Comprehensive Income (Loss) [Roll Forward]        
Other Comprehensive Income (Loss), Reclassification, Pension and Other Postretirement Benefit Plans, Net Gain (Loss) Recognized in Net Periodic Benefit Cost, Net of Tax (44) (43) (87) (86)
Interest rate contracts | Interest Expense | Unrealized gain (loss) on cash flow hedges, net of tax:        
Accumulated Other Comprehensive Income (Loss) [Roll Forward]        
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, before Tax $ (3) $ (3) $ (6) $ (9)