Statement of Changes in Shareholders Equity - DPL - USD ($) $ in Millions	Total	Retained Earnings	Delmarva Power & Light Company	Delmarva Power & Light Company Common Stock	Delmarva Power & Light Company Retained Earnings
Beginning Balance at Dec. 31, 2020			$ 1,676	$ 1,089	$ 587
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	$ 1,829	$ 1,706	128		128
Common stock dividends	(1,499)	(1,499)	(147)		(147)
Contributions from parent			120	120
Ending Balance at Dec. 31, 2021			1,777	1,209	568
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	2,171	2,170	169		169
Common stock dividends	(1,336)	(1,336)	(143)		(143)
Contributions from parent			147	147
Ending Balance at Dec. 31, 2022	24,744		1,950	1,356	594
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	2,328	2,328	177		177
Common stock dividends	(1,435)	$ (1,435)	(133)		(133)
Contributions from parent			99	99
Ending Balance at Dec. 31, 2023	$ 25,755		$ 2,093	$ 1,455	$ 638