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Postretirement Benefits Other Than Pensions - Benefit Payments Net of Expected Medicare Part D Subsidy (Details) - Other Postretirement Benefit Plan, Defined Benefit $ in Millions | Dec. 31, 2024 USD ($)
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Estimated Benefit Payments Excluding Medicare Part D Subsidy |
2020 | $ 0.9
2021 | 0.8
2022 | 0.8
2023 | 0.7
2024 | 0.6
2030-2034 | 2.7
Expected Medicare Part D Subsidy |
2020 | 0.0
2021 | 0.0
2022 | 0.0
2023 | 0.0
2024 | 0.0
2030-2034 | 0.0
Net Estimated Benefit Payments |
2020 | 0.9
2021 | 0.8
2022 | 0.8
2023 | 0.7
2024 | 0.6
2030-2034 | $ 2.7

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