v3.22.2.2
Cover Page
Oct. 03, 2022
Document Information [Line Items]  
Amendment Flag false
Entity Registrant Name XCEL ENERGY INC
Entity Central Index Key 0000072903
Entity Incorporation, State or Country Code MN
Document Type 8-K
Document Period End Date Oct. 03, 2022
Entity File Number 001-3034
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
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Stock, $2.50 par value per share
Trading Symbol XEL
Security Exchange Name NASDAQ
Entity Emerging Growth Company false
Northern States Power Co. MN  
Document Information [Line Items]  
Entity Registrant Name NORTHERN STATES POWER CO
Entity Central Index Key 0001123852
Entity Incorporation, State or Country Code MN
Entity File Number 001-31387
Entity Tax Identification Number 41-1967505
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