v3.25.2
Document and Entity Information Document
Jul. 01, 2025
Document Information [Line Items]  
Document Type 8-K
Document Period End Date Jul. 01, 2025
Entity File Number 001-01405
Entity Registrant Name DELMARVA POWER & LIGHT COMPANY
Entity Tax Identification Number 51-0084283
Entity Address, Address Line One 500 North Wakefield Drive
Entity Address, City or Town Newark
Entity Address, State or Province DE
Entity Address, Postal Zip Code 19702-5440
City Area Code (202)
Local Phone Number 872-2000
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Central Index Key 0000027879
Amendment Flag false
Entity Emerging Growth Company false
DELAWARE  
Document Information [Line Items]  
Entity Incorporation, State or Country Code DE
VIRGINIA  
Document Information [Line Items]  
Entity Incorporation, State or Country Code VA