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Employee Benefit Plans (Information About The Expected Cash Flows For The Qualified and Non-Qualified Pension Plans) (Details)
Dec. 31, 2024
USD ($)
Qualified Plans | Pension Plan  
Defined Benefit Plan, Expected Future Employer Contributions [Abstract]  
Defined Benefit Plan, Expected Future Employer Contributions, Next Fiscal Year $ 0
Defined Benefit Plan, Expected Future Benefit Payment [Abstract]  
Defined Benefit Plan, Expected Future Benefit Payment, Next Twelve Months 123,000,000
Defined Benefit Plan, Expected Future Benefit Payment, Year Two 124,000,000
Defined Benefit Plan, Expected Future Benefit Payment, Year Three 126,000,000
Defined Benefit Plan, Expected Future Benefit Payment, Year Four 125,000,000
Defined Benefit Plan, Expected Future Benefit Payment, Year Five 123,000,000
Defined Benefit Plan, Expected Future Benefit Payment, Five Fiscal Years Thereafter 587,000,000
Non-qualified Plans | Supplemental Employee Retirement Plan  
Defined Benefit Plan, Expected Future Employer Contributions [Abstract]  
Defined Benefit Plan, Expected Future Employer Contributions, Next Fiscal Year 0
Defined Benefit Plan, Expected Future Benefit Payment [Abstract]  
Defined Benefit Plan, Expected Future Benefit Payment, Next Twelve Months 8,000,000
Defined Benefit Plan, Expected Future Benefit Payment, Year Two 8,000,000
Defined Benefit Plan, Expected Future Benefit Payment, Year Three 7,000,000
Defined Benefit Plan, Expected Future Benefit Payment, Year Four 8,000,000
Defined Benefit Plan, Expected Future Benefit Payment, Year Five 8,000,000
Defined Benefit Plan, Expected Future Benefit Payment, Five Fiscal Years Thereafter $ 34,000,000