Property, Plant and Equipment (Property, Plant and Equipment) (Detail) - USD ($) $ in Millions		Dec. 31, 2023	Dec. 31, 2022
Utility:
Generation		$ 24,903	$ 23,720
Transmission		16,540	15,179
Distribution		21,836	20,154
Nuclear fuel		2,424	2,373
General and other		1,758	1,701
Plant under construction	[1],[2]	8,230	5,308
Total utility		75,691	68,435
Non-jurisdictional - including plant under construction	[1]	1,772	1,834
Nonutility:
Nonregulated generation-nuclear		1,855	1,935
Nonregulated generation-solar		945	944
Nuclear fuel		1,009	954
Other-including plant under construction		2,145	1,606
Total nonutility		5,954	5,439
Total property, plant and equipment		83,417	75,708
Virginia Electric and Power Company
Utility:
Generation		18,580	17,611
Transmission		14,268	13,034
Distribution		15,934	14,681
Nuclear fuel		1,815	1,823
General and other		1,036	1,019
Plant under construction	[1],[2]	7,548	4,685
Total utility		59,181	52,853
Non-jurisdictional - including plant under construction	[1]	1,772	1,834
Nonutility:
Other-including plant under construction		10	10
Total nonutility		10	10
Total property, plant and equipment		$ 60,963	$ 54,697

[1] During 2023, Virginia Power determined the Bookers Mill solar project under development will be utilized to support its utility customers and included the project in its most recent Rider CE application. See Note 13 for additional information.

[2] Includes $2.9 billion associated with the CVOW Commercial Project. Virginia Power’s February 2024 construction progress filing with the Virginia Commission included an estimated total project cost of $9.8 billion, excluding financing costs. In accordance with the Virginia Commission’s order in December 2022, the Companies are subject to a cost sharing mechanism in which Virginia Power will be eligible to recover 50% of such incremental costs which fall between $10.3 billion and $11.3 billion with no recovery of such incremental costs which fall between $11.3 billion and $13.7 billion. There is no cost sharing mechanism for any total construction costs in excess of $13.7 billion, the recovery of which would be determined in a future Virginia Commission proceeding.