v3.25.2
Accumulated Other Comprehensive Loss (Schedule Of Accumulated Other Comprehensive Loss) (Details) - USD ($)
$ in Millions
 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Dec. 31, 2024
Accumulated net unrealized losses on investment securities:      
Balance at beginning of period, net of tax $ (2,197) $ (2,043)  
Net unrealized holding gains (losses) arising during the period 437 (282)  
Less: Provision (benefit) for income taxes 107 (73)  
Change in net unrealized losses on investment securities, net of tax 330 (209)  
Balance at end of period, net of tax (1,867) (2,252)  
Accumulated net losses on cash flow hedges:      
Balance at beginning of period, net of tax (596) (605)  
Net cash flow hedge gains (losses) arising during the period 273 (620)  
Less: Provision (benefit) for income taxes 66 (150)  
Change in net cash flow hedge losses arising during the period, net of tax 207 (470)  
Net cash flow losses included in interest and fees on loans (212) (329)  
Amortization of unrealized losses related to de-designated derivatives 51 (15)  
Benefit plans, Less: Benefit for income taxes (39) (83)  
Reclassification adjustment for net cash flow hedge losses included in net income, net of tax (122) (261)  
Change in net cash flow hedge losses, net of tax 329 (209)  
Balance at end of period, net of tax [1] (267) (814)  
Accumulated defined benefit pension and other postretirement plans adjustment:      
Balance at beginning of period, net of tax (368) (400)  
Amortization of actuarial net loss 13 13  
Amortization of prior service credit (9) (10)  
Total amounts recognized in other noninterest expenses 4 3  
Less: Provision for income taxes 1 0  
Adjustment for amounts recognized as components of net periodic benefit credit during the period, net of tax 3 3  
Change in defined benefit pension and other postretirement plans adjustment, net of tax 3 3  
Balance at end of period, net of tax (365) (397)  
Total accumulated other comprehensive loss at end of period, net of tax (2,499) $ (3,463) $ (3,161)
Cash flow hedge loss to be reclassified within 12 months $ 145    
[1] The Corporation expects to reclassify $145 million of losses, net of tax, from accumulated other comprehensive loss to earnings over the next twelve months if interest yield curves and notional amounts remain at June 30, 2025