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Commitments and Contingencies Environmental Requirements - Water and Waste (Details) $ in Millions | Mar. 31, 2025 USD ($)
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Site Contingency [Line Items] |
Accrued liability of sites under investigation as part of federal CCR program | $ 45
Legacy CCR Investigation and Remediation Costs | 15
Cost of Coal Ash Removal Projects | 100
Federal Clean Water Act Section 316 (b) | Capital Addition Purchase Commitments |
Site Contingency [Line Items] |
Liability for estimated cost to comply with entrainment regulation | $ 50

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