Property, Plant, and Equipment (Exelon and BGE)	9 Months Ended
Sep. 30, 2026
Property, Plant, and Equipment [Abstract]
Property, Plant, and Equipment	Property, Plant, and Equipment (Exelon and BGE) Project Impairments In the third quarter of 2026, BGE canceled two capital projects and wrote off $37 million of related costs previously recorded in Property, plant and equipment to Operating and maintenance expense in Exelon's and BGE's Consolidated Statement of Operations and Comprehensive Income.

The entire disclosure for property, plant, and equipment. Includes, but is not limited to, land and land improvement; building; machinery and equipment; furniture and fixture; and work of art, historical treasure, or similar asset classified as collection.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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