v3.25.2
Document and Entity Information Document
Aug. 07, 2025
Document Information [Line Items]  
Document Type 8-K
Document Period End Date Aug. 07, 2025
Entity File Number 001-41137
Entity Registrant Name CONSTELLATION ENERGY CORPORATION
Entity Tax Identification Number 87-1210716
Entity Incorporation, State or Country Code PA
Entity Address, Address Line One 1310 Point Street
Entity Address, City or Town Baltimore
Entity Address, State or Province MD
Entity Address, Postal Zip Code 21231-3380
City Area Code (833)
Local Phone Number 883-0162
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Stock, without par value
Trading Symbol CEG
Security Exchange Name NASDAQ
Entity Central Index Key 0001868275
Amendment Flag false
Entity Emerging Growth Company false
Constellation Energy Generation, LLC [Member]  
Document Information [Line Items]  
Entity File Number 333-85496
Entity Registrant Name CONSTELLATION ENERGY GENERATION, LLC
Entity Tax Identification Number 23-3064219
Entity Incorporation, State or Country Code PA
Entity Address, Address Line One 200 Energy Way
Entity Address, City or Town Kennett Square
Entity Address, State or Province PA
Entity Address, Postal Zip Code 19348-2473
City Area Code (833)
Local Phone Number 883-0162
Entity Central Index Key 0001168165