XML 67 R54.htm IDEA: XBRL DOCUMENT
v3.22.2

Significant Accounting Policies (Schedule of Supplemental Cash Flow Information) (Detail) - USD ($) $ in Millions | 6 Months Ended
--- | ---
Jun. 30, 2022 | Jun. 30, 2021
Significant noncash investing and financing activities:(1) |  |  |
Accrued capital expenditures | [1] | $ 512 | $ 327
Accrued contributions to equity method affiliates | [1] |  | 20
Leases | [2] | 57 | 29
Virginia Electric and Power Company |  |  |
Significant noncash investing and financing activities:(1) |  |  |
Accrued capital expenditures |  | 240 | 207
Leases | [3] | $ 47 | $ 17
[1] | See Note 16 for noncash financing activities related to the remarketing of Series A Preferred Stock and the issuance of common stock associated with the settlement of litigation.
[2] | See Note 16 for noncash financing activities related to the remarketing of Series A Preferred Stock and the issuance of common stock associated with the settlement of litigation.
[3] | Includes $14 million and $17 million of financing leases at June 30, 2022 and 2021, respectively, and $33 million of operating leases at June 30, 2022

X
- Definition Accrued contributions to equity method affiliates. + References No definition available. + Details
Name: | d_AccruedContributionsToEquityMethodAffiliates
Namespace Prefix: | d_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Leases + References No definition available. + Details
Name: | d_Leases
Namespace Prefix: | d_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Future cash outflow to pay for purchases of fixed assets that have occurred. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 5 -URI https://asc.fasb.org/extlink&oid=126999549&loc=d3e4332-108586 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 4 -URI https://asc.fasb.org/extlink&oid=126999549&loc=d3e4313-108586 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI https://asc.fasb.org/extlink&oid=126999549&loc=d3e4304-108586 + Details
Name: | us-gaap_CapitalExpendituresIncurredButNotYetPaid
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | dei_LegalEntityAxis=d_VirginiaElectricAndPowerCompanyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |