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Regulatory and Rate Matters - Schedule of PNM’s Revenues Recorded for the Renewable Energy Rider (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
PNM | Renewable energy rider | NMPRC |  |  |
Public Utilities, General Disclosures [Line Items] |  |  |
Annual Revenues | $ 52.0 | $ 56.9 | $ 60.3

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- Definition Public Utilities, Revenue From Renewable Energy Rider + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Details
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- Details
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- Details
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