State Audits (Details)	12 Months Ended
Dec. 31, 2022 USD ($)
SPS
Income Tax [Line Items]
Potential Tax Adjustments	$ 0
WISCONSIN
Income Tax [Line Items]
Potential Tax Adjustments	0
Xcel Energy [Member]
Income Tax [Line Items]
Potential Tax Adjustments	$ 0

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No definition available.

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