v3.26.1
Employee Benefit Plan, Schedule, Asset Held for Investment (Details) - XCEL 401(k)
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Minimum    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment, Participant Loan, Interest Rate 4.25% 4.25%
Maximum    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment, Participant Loan, Interest Rate 9.50% 9.50%