v3.22.2.2
Cover
Oct. 11, 2022
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date Oct. 11, 2022
Entity File Number 001-16169
Entity Registrant Name EXELON CORPORATION
Entity Central Index Key 0001109357
Entity Tax Identification Number 23-2990190
Entity Incorporation, State or Country Code PA
Entity Address, Address Line One 10 South Dearborn Street
Entity Address, Address Line Two P.O. Box 805379
Entity Address, City or Town Chicago
Entity Address, State or Province IL
Entity Address, Postal Zip Code 60680-5379
City Area Code 800
Local Phone Number 483-3220
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 EXC
Security Exchange Name NASDAQ
Entity Emerging Growth Company false