Audit Information	12 Months Ended
	Dec. 31, 2021
Auditor [Line Items]
Auditor Name	KPMG LLP
Auditor Firm ID	185
Auditor Location	Albuquerque, New Mexico
Public Service Company of New Mexico
Auditor [Line Items]
Auditor Name	KPMG LLP
Auditor Firm ID	185
Auditor Location	Albuquerque, New Mexico
Texas-New Mexico Power Company
Auditor [Line Items]
Auditor Name	KPMG LLP
Auditor Firm ID	185
Auditor Location	Albuquerque, New Mexico