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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 | 15,179 | 13,798
Distribution | 20,154 | 19,370
Storage | 76 | 76
Nuclear fuel | 2,373 | 2,306
General and other | 1,625 | 1,527
Plant under construction | 5,308 | 3,393
Total utility | 68,435 | 63,848
Non-jurisdictional - including plant under construction | 1,834 | 1,694
Nonutility: |  |
Nonregulated generation-nuclear | 1,935 | 1,773
Nonregulated generation-solar | 411 | 1,941
Nuclear fuel | 954 | 1,056
Other-including plant under construction | 1,609 | 1,184
Total nonutility | 4,909 | 5,954
Total property, plant and equipment | 75,178 | 71,496
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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