Quarterly report pursuant to Section 13 or 15(d)

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

v3.21.2
Activity in Accumulated Other Comprehensive Income (Loss) (Detail) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Accumulated Other Comprehensive Income (Loss) [Roll Forward]        
Balance at beginning of period     $ (7,113)  
Translation adjustment (net of tax effect of $(1) and $(14)) $ 48 $ 10 (34) $ (131)
Current period changes in fair value (net of tax effect of $0 and $1) (1) 3 (5) 5
Current period changes in fair value (net of tax effect of $(14) and $(20)) (46) (114) 68 103
Balance at end of period (3,064) (5,933) (3,064) (5,933)
Foreign currency translation gain (loss):        
Accumulated Other Comprehensive Income (Loss) [Roll Forward]        
Balance at beginning of period (1,063) (1,219) (981) (1,078)
Translation adjustment (net of tax effect of $(1) and $(14)) 48 10 (34) (131)
Balance at end of period (1,015) (1,209) (1,015) (1,209)
Aggregate adjustment for the period, tax (1) (14) 29 (1)
Accumulated Net Investment Gain (Loss) Attributable to Parent [Member]        
Accumulated Other Comprehensive Income (Loss) [Roll Forward]        
Balance at beginning of period 2 6 6 4
Current period changes in fair value (net of tax effect of $0 and $1) 0 5 (1) 7
Reclassification to earnings (net of tax effect of $0 and $(1)) (1) (2) (4) (2)
Balance at end of period 1 9 1 9
Current period changes in fair value, tax effect 0 1 0 1
Reclassification to earnings, tax effect 0 (1) 0 (1)
Unrealized gain (loss) on cash flow hedges, net of tax:        
Accumulated Other Comprehensive Income (Loss) [Roll Forward]        
Balance at beginning of period (109) 329 (223) 112
Current period changes in fair value (net of tax effect of $(14) and $(20)) (43) (62) 81 201
Reclassification to earnings (net of tax effect of $(1) and $(16)) (3) (52) (13) (98)
Balance at end of period (155) 215 (155) 215
Current period changes in fair value, tax effect (14) (20) 25 63
Reclassification to earnings, tax effect (1) (16) (4) (31)
Accumulated Defined Benefit Plans Adjustment [Member]        
Accumulated Other Comprehensive Income (Loss) [Roll Forward]        
Balance at beginning of period (3,489) (4,992) (5,915) (5,035)
Balance at end of period (1,895) (4,948) (1,895) (4,948)
Reclassification to earnings, tax effect 8 13 (772) 27
Income tax expense | Accumulated Net Investment Gain (Loss) Attributable to Parent [Member]        
Accumulated Other Comprehensive Income (Loss) [Roll Forward]        
Reclassification to earnings, tax effect 0 (1) 0 (1)
Income tax expense | Unrealized gain (loss) on cash flow hedges, net of tax:        
Accumulated Other Comprehensive Income (Loss) [Roll Forward]        
Reclassification to earnings, tax effect (1) (16) (4) (31)
Net income | Accumulated Net Investment Gain (Loss) Attributable to Parent [Member]        
Accumulated Other Comprehensive Income (Loss) [Roll Forward]        
Reclassification to earnings (net of tax effect of $0 and $(1)) (1) (2) (4) (2)
Net income | 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 $(1) and $(16)) $ (3) $ (52) $ (13) $ (98)