State Audits (Details) $ in Millions	12 Months Ended
Dec. 31, 2024 USD ($)
Xcel Energy [Member]
Income Tax [Line Items]
Potential Tax Adjustments	$ 0

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.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 15
-Subparagraph (e)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482685/740-10-50-15

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration