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Income Taxes (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2023 | Dec. 31, 2022
Income Tax [Line Items] |  |
Federal detriment | $ 20 | $ 23
Tax Credit Carryforward [Line Items] |  |
Federal detriment | 20 | 23
Xcel Energy [Member] |  |
Income Tax [Line Items] |  |
Potential Tax Adjustments | $ 0 |
State and Local Jurisdiction [Member] |  |
Income Tax [Line Items] |  |
Federal Benefit |  | 16
Tax Credit Carryforward [Line Items] |  |
Federal Benefit |  | $ 16

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- 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
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- Details
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- Details
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