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Commitments and Contingencies - SJGS Decommissioning (Details) - Coal-Fired Electricity Generating Facility Demolition And Remediation Ordinance - San Juan Generating Station - PNM - USD ($) $ in Millions | Nov. 09, 2021 | Dec. 31, 2023 | Sep. 30, 2022
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Public Utilities, General Disclosures [Line Items] |  |  |
Initial funding requirement | $ 14.7 |  |
Surety bond |  | $ 46.0 |
Decrease in decommissioning obligation |  |  | $ 21.1

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- Definition Loss Contingency, Decrease In Decommissioning Obligation + References No definition available. + Details
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- Details
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