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Cover Page - USD ($)
 12 Months Ended
Dec. 31, 2024
Feb. 20, 2025
Jun. 30, 2024
Cover [Abstract]      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2024    
Document Transition Report false    
Entity File Number 001-3034    
Entity Incorporation, State or Country Code MN    
Entity Tax Identification Number 41-0448030    
Entity Address, Address Line One 414 Nicollet Mall    
Entity Address, City or Town Minneapolis    
Entity Address, State or Province MN    
Entity Address, Postal Zip Code 55401    
City Area Code 612    
Local Phone Number 330-5500    
Title of 12(b) Security Common Stock, $2.50 par value per share    
Trading Symbol XEL    
Security Exchange Name NASDAQ    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Large Accelerated Filer    
Entity Small Business false    
Entity Emerging Growth Company false    
ICFR Auditor Attestation Flag true    
Entity Shell Company false    
Entity Public Float     $ 29,767,371,894
Entity Common Stock, Shares Outstanding   574,552,694  
Entity Registrant Name XCEL ENERGY INC    
Entity Central Index Key 0000072903    
Current Fiscal Year End Date --12-31    
Document Fiscal Year Focus 2024    
Document Fiscal Period Focus FY    
Amendment Flag false    
Document Financial Statement Error Correction [Flag] false    
Documents Incorporated by Reference
DOCUMENTS INCORPORATED BY REFERENCE
Portions of the Registrant’s definitive Proxy Statement for its 2025 Annual Meeting of Shareholders are incorporated by reference into Part III of this Form 10-K.