XML 136 R118.htm IDEA: XBRL DOCUMENT v3.22.0.1
Employee Benefit Plans (Schedule of Changes, Net of Tax, in Plan Assets and Benefit Obligations Recognized in Other Comprehensive Income (Loss) (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Actuarial gain (loss) arising during the period $ 159    
Prior service (cost) credit arising during the period 1 $ 0 $ 0
Amortization of net actuarial loss [1] 40 47 42
Amortization of prior service credit (25) (27) (27)
Total recognized in other comprehensive loss 175 $ 148 $ 172
Qualified Plan      
Actuarial gain (loss) arising during the period 158    
Prior service (cost) credit arising during the period (36)    
Amortization of net actuarial loss 29    
Amortization of prior service credit (19)    
Total recognized in other comprehensive loss 132    
Non-Qualified Plan      
Actuarial gain (loss) arising during the period 3    
Prior service (cost) credit arising during the period 36    
Amortization of net actuarial loss 11    
Amortization of prior service credit (6)    
Total recognized in other comprehensive loss 44    
Postretirement Benefit Plan      
Actuarial gain (loss) arising during the period (2)    
Prior service (cost) credit arising during the period 1    
Amortization of net actuarial loss 0    
Amortization of prior service credit 0    
Total recognized in other comprehensive loss $ (1)    
[1] Balances at beginning and end of period, net of tax, and changes for the years ended December 31, 2020 and 2019 have been recast to reflect the retrospective application of the Corporation's election to change the accounting method for certain components of the qualified defined benefit pension plan as of January 1, 2021. Refer to Note 1 for further information.