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Employee Retirement Benefits (Expected Future Benefit Payments For Qualified Plan And SERP) (Details)
$ in Millions
Dec. 31, 2022
USD ($)
Retirement Benefits [Abstract]  
Expected future benefit payments, 2023 $ 57
Expected future benefit payments, 2024 20
Expected future benefit payments, 2025 23
Expected future benefit payments, 2026 28
Expected future benefit payments, 2027 27
Expected future benefit payments, 2028 - 2032 $ 140