XML 171 R138.htm IDEA: XBRL DOCUMENT v3.25.0.1

Regulatory and Rate Matters - 2023 IRP (Details) - PNM	Dec. 30, 2024 MW
Public Utilities, General Disclosures [Line Items]
RFP, New energy resource, megawatts issued (in mw)	900
RFP Request, Period One
Public Utilities, General Disclosures [Line Items]
RFP, New energy resource, megawatts issued (in mw)	500
RFP Request, Period Two | Minimum
Public Utilities, General Disclosures [Line Items]
RFP, New energy resource, megawatts issued (in mw)	900
RFP Request, Period Two | Maximum
Public Utilities, General Disclosures [Line Items]
RFP, New energy resource, megawatts issued (in mw)	2,900

X

- Definition

Request For Proposal, New Energy Resource, Megawatts

+ References

No definition available.

+ Details

Name:	pnm_RequestForProposalNewEnergyResourceMegawatts
Namespace Prefix:	pnm_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- 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

Name:	us-gaap_PublicUtilitiesGeneralDisclosuresLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	dei_LegalEntityAxis=pnm_PublicServiceCompanyOfNewMexicoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	pnm_ScheduleOfRegulatoryRateMattersAxis=pnm_RFPRequestPeriodOneMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	pnm_ScheduleOfRegulatoryRateMattersAxis=pnm_RFPRequestPeriodTwoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: