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v3.24.0.1

Borrowings and Other Financing Instruments Capital Stock (Details) - $ / shares | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Debt Instrument [Line Items] |  |
Common Stock, Shares Authorized (in shares) | 1,000,000,000 | 1,000,000,000
Common Stock, Par Value (in dollars per share) | $ 2.50 | $ 2.50
Common Stock, Shares Outstanding (in shares) | 554,941,703 | 549,578,018
Xcel Energy Inc. |  |
Debt Instrument [Line Items] |  |
Preferred Stock, Shares Authorized (in shares) | 7,000,000 |
Preferred Stock, Par Value (in dollars per share) | $ 100 |
Preferred Stock, Shares Outstanding (in shares) | 0 | 0
PSCo |  |
Debt Instrument [Line Items] |  |
Preferred Stock, Shares Authorized (in shares) | 10,000,000 |
Preferred Stock, Par Value (in dollars per share) | $ 0.01 |
Preferred Stock, Shares Outstanding (in shares) | 0 | 0
SPS |  |
Debt Instrument [Line Items] |  |
Preferred Stock, Shares Authorized (in shares) | 10,000,000 |
Preferred Stock, Par Value (in dollars per share) | $ 1.00 |
Preferred Stock, Shares Outstanding (in shares) | 0 | 0

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