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Property, Plant and Equipment (Property, Plant and Equipment) (Detail) - USD ($) $ in Millions | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Utility: |  |
Generation | $ 23,720 | $ 23,378
Transmission | 16,857 | 15,430
Distribution | 30,624 | 28,953
Storage | 491 | 455
Nuclear fuel | 2,373 | 2,306
General and other | 4,630 | 4,373
Plant under construction | 5,678 | 3,898
Total utility | 84,373 | 78,793
Non-jurisdictional - including plant under construction | 1,834 | 1,694
Nonutility: |  |
Nonregulated generation-nuclear | 1,935 | 1,773
Nonregulated generation-solar | 495 | 2,026
Nuclear fuel | 954 | 1,056
Other-including plant under construction | 1,611 | 1,161
Total nonutility | 4,995 | 6,016
Total property, plant and equipment | 91,202 | 86,503
Virginia Electric and Power Company |  |
Utility: |  |
Generation | 17,611 | 17,325
Transmission | 13,034 | 11,760
Distribution | 14,681 | 13,621
Nuclear fuel | 1,823 | 1,702
General and other | 1,019 | 912
Plant under construction | 4,685 | 2,865
Total utility | 52,853 | 48,185
Non-jurisdictional - including plant under construction | 1,834 | 1,694
Nonutility: |  |
Other-including plant under construction | 10 | 11
Total nonutility | 10 | 11
Total property, plant and equipment | $ 54,697 | $ 49,890

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