v3.25.4
Employee Benefit Plans (Components Of Net Periodic Pension Costs) (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Defined Benefit Plan Disclosure [Line Items]      
Service cost $ 19 $ 23 $ 22
Interest cost 85 86 92
Expected return on plan assets (123) (124) (120)
Amortization of actuarial loss 25 28 28
Settlement charge 3 3 17
Net periodic pension cost 9 16 39
Qualified Plans | Pension Plan      
Defined Benefit Plan Disclosure [Line Items]      
Service cost 19 22 21
Interest cost 81 82 86
Expected return on plan assets (123) (124) (120)
Amortization of actuarial loss 23 25 24
Settlement charge 0 0 0
Net periodic pension cost 0 5 11
Non-qualified Plans | Supplemental Employee Retirement Plan      
Defined Benefit Plan Disclosure [Line Items]      
Service cost 0 1 1
Interest cost 4 4 6
Expected return on plan assets 0 0 0
Amortization of actuarial loss 2 3 4
Settlement charge 3 3 17
Net periodic pension cost $ 9 $ 11 $ 28