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Regulatory and Rate Matters - 2026 Resource Application (Details) - PNM			3 Months Ended
	Oct. 25, 2023 MW batteryStorageAgreement	Jan. 30, 2023 MW	Dec. 31, 2022 batteryStorageAgreement
Public Utilities, General Disclosures [Line Items]
Number of battery storage agreements | batteryStorageAgreement	3		2
Number of megawatts available in CCN	60
Solar Agreement
Public Utilities, General Disclosures [Line Items]
Number of megawatts available in purchase power agreement (in megawatts)	100	100
Battery Storage Agreement One
Public Utilities, General Disclosures [Line Items]
Number of megawatts available in purchase power agreement (in megawatts)	100
Battery Storage Agreement Two
Public Utilities, General Disclosures [Line Items]
Number of megawatts available in purchase power agreement (in megawatts)	100
Battery Storage Agreement Three
Public Utilities, General Disclosures [Line Items]
Number of megawatts available in purchase power agreement (in megawatts)	50

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Public Utilities, Number Of Megawatts Available In Certificate Of Convenience And Necessity

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