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Derivatives and Hedge Accounting Activities - Fair Value of Derivatives (Parenthetical) (Detail) - USD ($) $ in Millions | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Derivatives Fair Value [Line Items] |  |  |  |
Derivative assets current |  | $ 1,137 | [1] | $ 122
Derivative asset, noncurrent | [3] | 1,039 | [2] | 491
Derivative liabilities current | [4] | 778 |  | 359
Derivative liabilities noncurrent | [5],[6] | 626 |  | 509
Current Assets Held for Sale |  |  |  |
Derivatives Fair Value [Line Items] |  |  |  |
Derivative assets current |  | $ 118 |  | $ 6
Derivative Asset, Current, Statement of Financial Position [Extensible Enumeration] |  | Assets Of Disposal Group Including Discontinued Operation Current |  | Assets Of Disposal Group Including Discontinued Operation Current
Non-Current Assets Held for Sale |  |  |  |
Derivatives Fair Value [Line Items] |  |  |  |
Derivative asset, noncurrent |  | $ 1 |  |
Derivative Asset, Noncurrent, Statement of Financial Position [Extensible Enumeration] |  | Disposal Group, Including Discontinued Operation, Assets, Noncurrent |  |
Current Liabilities Held for Sale |  |  |  |
Derivatives Fair Value [Line Items] |  |  |  |
Derivative liabilities current |  | $ 6 |  | $ 3
Derivative Liability, Current, Statement of Financial Position [Extensible Enumeration] |  | Liabilities Of Disposal Group Including Discontinued Operation Current |  | Liabilities Of Disposal Group Including Discontinued Operation Current
Noncurrent Liabilities Held for Sale |  |  |  |
Derivatives Fair Value [Line Items] |  |  |  |
Derivative liabilities noncurrent |  | $ 1 |  | $ 1
Derivative Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] |  | Disposal Group, Including Discontinued Operation, Liabilities, Noncurrent |  | Disposal Group, Including Discontinued Operation, Liabilities, Noncurrent
[1] | Includes $118 million and $6 million reported in current assets held for sale in Dominion Energy's Consolidated Balance Sheets at December 31, 2022 and 2021, respectively.
[2] | Includes $1 million reported in noncurrent assets held for sale in Dominion Energy's Consolidated Balance Sheets at December 31, 2022.
[3] | Virginia Power’s noncurrent derivative assets are presented in other deferred charges and other assets in its Consolidated Balance Sheets.
[4] | Includes $6 million and $3 million reported in current liabilities held for sale in Dominion Energy's Consolidated Balance Sheets at December 31, 2022 and 2021, respectively.
[5] | Includes $1 million reported in noncurrent liabilities held for sale in Dominion Energy's Consolidated Balance Sheets at both December 31, 2022 and 2021.
[6] | Virginia Power’s noncurrent derivative liabilities are presented in other deferred credits and other liabilities in its Consolidated Balance Sheets.

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