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Property, Plant and Equipment (Property, Plant and Equipment) (Detail) - USD ($) | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | ---
Utility: |  |
Generation | $ 19,250 | $ 17,602
Transmission | 16,669,000,000 | 15,335,000,000
Distribution | 18,549,000,000 | 17,408,000,000
Storage | 2,905,000,000 | 2,887,000,000
Nuclear fuel | 1,626,000,000 | 1,599,000,000
Gas gathering and processing | 307,000,000 | 219,000,000
Oil and gas | 1,763,000,000 | 1,720,000,000
General and other | 1,476,000,000 | 1,514,000,000
Plant under construction | 2,385,000,000 | 7,765,000,000
Total utility | 64,930,000,000 | 66,049,000,000
Nonutility: |  |
Merchant generation-nuclear | 1,550,000,000 | 1,452,000,000
Merchant generation-other | 3,802,000,000 | 4,992,000,000
Nuclear fuel | 1,025,000,000 | 968,000,000
Gas gathering and processing | 185,000,000 | 630,000,000
LNG facility | 3,977,000,000 |
Other-including plant under construction | 1,109,000,000 | 732,000,000
Total nonutility | 11,648,000,000 | 8,774,000,000
Total property, plant and equipment | 76,578,000,000 | 74,823,000,000
Virginia Electric and Power Company |  |
Utility: |  |
Generation | 19,250,000,000 | 17,602,000,000
Transmission | 9,392,000,000 | 8,332,000,000
Distribution | 11,785,000,000 | 11,151,000,000
Nuclear fuel | 1,626,000,000 | 1,599,000,000
General and other | 821,000,000 | 794,000,000
Plant under construction | 1,639,000,000 | 2,840,000,000
Total utility | 44,513,000,000 | 42,318,000,000
Nonutility: |  |
Other-including plant under construction | 11,000,000 | 11,000,000
Total property, plant and equipment | 44,524,000,000 | 42,329,000,000
Dominion Energy Gas Holdings, LLC |  |
Utility: |  |
Transmission | 6,790,000,000 | 6,510,000,000
Distribution | 7,000,000 | 6,000,000
Storage | 2,615,000,000 | 2,619,000,000
Gas gathering and processing | 32,000,000 | 30,000,000
General and other | 171,000,000 | 171,000,000
Plant under construction | 732,000,000 | 4,783,000,000
Total utility | 10,347,000,000 | 14,119,000,000
Nonutility: |  |
LNG facility | 3,977,000,000 |
Other-including plant under construction | 376,000,000 | 133,000,000
Total nonutility | 4,353,000,000 | 133,000,000
Total property, plant and equipment | $ 14,700,000,000 | $ 14,252,000,000

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