Balance Sheets - BGE (Parentheticals) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Accumulated depreciation and amortization	$ 17,251	$ 15,930
Common Stock, No Par Value	$ 0	$ 0
Common stock, shares authorized (in shares)	2,000,000,000	2,000,000,000
Common stock, shares, outstanding (in shares)	999,000,000	994,000,000
Baltimore Gas and Electric Company
Accumulated depreciation and amortization	$ 4,744	$ 4,583
Common Stock, No Par Value	$ 0	$ 0
Common stock, shares authorized (in shares)	1,500	1,500
Common stock, shares, outstanding (in shares)	1,000	1,000