Consolidated Balance Sheets - ACE (Parentheticals) - USD ($) shares in Millions, $ in Millions	Dec. 31, 2023	Dec. 31, 2022	Aug. 04, 2022
Accumulated depreciation and amortization	$ 17,251	$ 15,930
Common stock (in usd per share)			$ 0
Common stock, shares authorized (in shares)	2,000	2,000
Common stock, shares, outstanding (in shares)	999	994
Atlantic City Electric Company
Accumulated depreciation and amortization	$ 1,684	$ 1,551
Common stock (in usd per share)	$ 3.00	$ 3.00
Common stock, shares authorized (in shares)	25	25
Common stock, shares, outstanding (in shares)	9	9