DOMINION ENERGY SOUTH CAROLINA, INC.
COMPANY
10-Q
FORM
2026-07-31
FILING DATE
2026-06-30
Q2 PERIOD END
1229
FACTS
SIC 4931
CIK 0000091882
Taxonomy US GAAP 2025  
SIC 4931
CIK 0000091882
Taxonomy US GAAP 2025  
Standard Concepts
325
Extended Concepts
154
32%
Extended Concepts
Errors
1
ERROR
An internal error has occurred while processing a validation.
What are errors?
What are errors?
Indicate problems with an XBRL formatted filing that are sufficient grounds for SEC rejection of the XBRL portion of the filing.
Data Quality Errors
33
ERROR
The filing is missing a value for the concept TaxJurisdictionOfDomicileExtensibleEnumeration. When reporting a tax reconcilation, with a value reported for the concept IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate (with a value of 61,000,000), then a value for TaxJurisdictionOfDomicileExtensibleEnumeration must also be provided to indicate the domestic tax jurisdiction.
ERROR
The filer has reported a fact with the TransactionTypeAxis that is tagged with the concept us-gaap:DerivativeLiabilityNotOffsetPolicyElectionDeduction with a value of 0. The TransactionTypeAxis should not be used with these transaction market method items. The filer should use the TransactionMarketMethodAxis for disaggregation of these transaction market method items. Concept : us-gaap:DerivativeLiabilityNotOffsetPolicyElectionDeduction Value : 0 Period : 2025-12-31 Dimensions : us-gaap:Fair...
ERROR
The filer has reported a fact with the TransactionTypeAxis that is tagged with the concept us-gaap:DerivativeLiabilityFairValueAfterOffsetAndDeductionSubjectToMasterNettingArrangement with a value of 0. The TransactionTypeAxis should not be used with these transaction market method items. The filer should use the TransactionMarketMethodAxis for disaggregation of these transaction market method items. Concept : us-gaap:DerivativeLiabilityFairValueAfterOffsetAndDeductionSubjectToMasterNettingA...
ERROR
The filer has reported a fact with the TransactionTypeAxis that is tagged with the concept us-gaap:DerivativeAssetNotSubjectToMasterNettingArrangement with a value of 1,000,000. The TransactionTypeAxis should not be used with these transaction market method items. The filer should use the TransactionMarketMethodAxis for disaggregation of these transaction market method items. Concept : us-gaap:DerivativeAssetNotSubjectToMasterNettingArrangement Value : 1,000,000 Period : 2025-12-31 Dimension...
ERROR
The filer has reported a fact with the TransactionTypeAxis that is tagged with the concept us-gaap:DerivativeAssetNotSubjectToMasterNettingArrangement with a value of 211,000,000. The TransactionTypeAxis should not be used with these transaction market method items. The filer should use the TransactionMarketMethodAxis for disaggregation of these transaction market method items. Concept : us-gaap:DerivativeAssetNotSubjectToMasterNettingArrangement Value : 211,000,000 Period : 2025-12-31 Dimen...
ERROR
The filer has reported a fact with the TransactionTypeAxis that is tagged with the concept us-gaap:DerivativeLiabilityNotOffsetPolicyElectionDeduction with a value of 0. The TransactionTypeAxis should not be used with these transaction market method items. The filer should use the TransactionMarketMethodAxis for disaggregation of these transaction market method items. Concept : us-gaap:DerivativeLiabilityNotOffsetPolicyElectionDeduction Value : 0 Period : 2026-06-30 Dimensions : us-gaap:Deri...
ERROR
The filer has reported a fact with the TransactionTypeAxis that is tagged with the concept us-gaap:DerivativeAssetNotSubjectToMasterNettingArrangement with a value of 375,000,000. The TransactionTypeAxis should not be used with these transaction market method items. The filer should use the TransactionMarketMethodAxis for disaggregation of these transaction market method items. Concept : us-gaap:DerivativeAssetNotSubjectToMasterNettingArrangement Value : 375,000,000 Period : 2026-06-30 Dimen...
ERROR
The filer has reported a fact with the TransactionTypeAxis that is tagged with the concept us-gaap:DerivativeLiabilityFairValueAfterOffsetAndDeductionSubjectToMasterNettingArrangement with a value of 0. The TransactionTypeAxis should not be used with these transaction market method items. The filer should use the TransactionMarketMethodAxis for disaggregation of these transaction market method items. Concept : us-gaap:DerivativeLiabilityFairValueAfterOffsetAndDeductionSubjectToMasterNettingA...
ERROR
The filer has reported a fact with the TransactionTypeAxis that is tagged with the concept us-gaap:DerivativeFairValueOfDerivativeLiability with a value of 2,000,000. The TransactionTypeAxis should not be used with these transaction market method items. The filer should use the TransactionMarketMethodAxis for disaggregation of these transaction market method items. Concept : us-gaap:DerivativeFairValueOfDerivativeLiability Value : 2,000,000 Period : 2025-12-31 Dimensions : us-gaap:Transactio...
ERROR
The filer has reported a fact with the TransactionTypeAxis that is tagged with the concept ck0000091882:DerivativeAssetNotSubjectToMasterNettingArrangementDeductionCashCollateralReceived with a value of 0. The TransactionTypeAxis should not be used with these transaction market method items. The filer should use the TransactionMarketMethodAxis for disaggregation of these transaction market method items. Concept : ck0000091882:DerivativeAssetNotSubjectToMasterNettingArrangementDeductionCashCo...
ERROR
The filer has reported a fact with the TransactionTypeAxis that is tagged with the concept us-gaap:DerivativeCollateralRightToReclaimCash with a value of 0. The TransactionTypeAxis should not be used with these transaction market method items. The filer should use the TransactionMarketMethodAxis for disaggregation of these transaction market method items. Concept : us-gaap:DerivativeCollateralRightToReclaimCash Value : 0 Period : 2025-12-31 Dimensions : us-gaap:FairValueByLiabilityClassAxis=...
ERROR
The filer has reported a fact with the TransactionTypeAxis that is tagged with the concept ck0000091882:DerivativeAssetNotSubjectToMasterNettingArrangementDeduction1 with a value of 0. The TransactionTypeAxis should not be used with these transaction market method items. The filer should use the TransactionMarketMethodAxis for disaggregation of these transaction market method items. Concept : ck0000091882:DerivativeAssetNotSubjectToMasterNettingArrangementDeduction1 Value : 0 Period : 2025-1...
ERROR
The filer has reported a fact with the TransactionTypeAxis that is tagged with the concept ck0000091882:DerivativeAssetNotSubjectToMasterNettingArrangementDeductionCashCollateralReceived with a value of 0. The TransactionTypeAxis should not be used with these transaction market method items. The filer should use the TransactionMarketMethodAxis for disaggregation of these transaction market method items. Concept : ck0000091882:DerivativeAssetNotSubjectToMasterNettingArrangementDeductionCashCo...
ERROR
The filer has reported a fact with the TransactionTypeAxis that is tagged with the concept ck0000091882:DerivativeAssetNotSubjectToMasterNettingArrangementDeduction1 with a value of 1,000,000. The TransactionTypeAxis should not be used with these transaction market method items. The filer should use the TransactionMarketMethodAxis for disaggregation of these transaction market method items. Concept : ck0000091882:DerivativeAssetNotSubjectToMasterNettingArrangementDeduction1 Value : 1,000,000...
ERROR
The filer has reported a fact with the TransactionTypeAxis that is tagged with the concept us-gaap:DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral with a value of 1,000,000. The TransactionTypeAxis should not be used with these transaction market method items. The filer should use the TransactionMarketMethodAxis for disaggregation of these transaction market method items. Concept : us-gaap:DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral Value : 1,000...
ERROR
The filer has reported a fact with the TransactionTypeAxis that is tagged with the concept us-gaap:DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral with a value of 5,000,000. The TransactionTypeAxis should not be used with these transaction market method items. The filer should use the TransactionMarketMethodAxis for disaggregation of these transaction market method items. Concept : us-gaap:DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral Value : 5,000...
ERROR
The filer has reported a fact with the TransactionTypeAxis that is tagged with the concept ck0000091882:DerivativeAssetNotSubjectToMasterNettingArrangementDeductionCashCollateralReceived with a value of 0. The TransactionTypeAxis should not be used with these transaction market method items. The filer should use the TransactionMarketMethodAxis for disaggregation of these transaction market method items. Concept : ck0000091882:DerivativeAssetNotSubjectToMasterNettingArrangementDeductionCashCo...
ERROR
The filer has reported a fact with the TransactionTypeAxis that is tagged with the concept ck0000091882:DerivativeAssetNotSubjectToMasterNettingArrangementDeductionCashCollateralReceived with a value of 0. The TransactionTypeAxis should not be used with these transaction market method items. The filer should use the TransactionMarketMethodAxis for disaggregation of these transaction market method items. Concept : ck0000091882:DerivativeAssetNotSubjectToMasterNettingArrangementDeductionCashCo...
ERROR
The filer has reported a fact with the TransactionTypeAxis that is tagged with the concept us-gaap:DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral with a value of 211,000,000. The TransactionTypeAxis should not be used with these transaction market method items. The filer should use the TransactionMarketMethodAxis for disaggregation of these transaction market method items. Concept : us-gaap:DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral Value : 211...
ERROR
The filer has reported a fact with the TransactionTypeAxis that is tagged with the concept ck0000091882:DerivativeAssetNotSubjectToMasterNettingArrangementDeduction1 with a value of 0. The TransactionTypeAxis should not be used with these transaction market method items. The filer should use the TransactionMarketMethodAxis for disaggregation of these transaction market method items. Concept : ck0000091882:DerivativeAssetNotSubjectToMasterNettingArrangementDeduction1 Value : 0 Period : 2026-0...
ERROR
The filer has reported a fact with the TransactionTypeAxis that is tagged with the concept us-gaap:DerivativeLiabilityNotOffsetPolicyElectionDeduction with a value of 1,000,000. The TransactionTypeAxis should not be used with these transaction market method items. The filer should use the TransactionMarketMethodAxis for disaggregation of these transaction market method items. Concept : us-gaap:DerivativeLiabilityNotOffsetPolicyElectionDeduction Value : 1,000,000 Period : 2026-06-30 Dimension...
ERROR
The filer has reported a fact with the TransactionTypeAxis that is tagged with the concept us-gaap:DerivativeCollateralRightToReclaimCash with a value of 0. The TransactionTypeAxis should not be used with these transaction market method items. The filer should use the TransactionMarketMethodAxis for disaggregation of these transaction market method items. Concept : us-gaap:DerivativeCollateralRightToReclaimCash Value : 0 Period : 2025-12-31 Dimensions : us-gaap:FairValueByLiabilityClassAxis=...
ERROR
The filer has reported a fact with the TransactionTypeAxis that is tagged with the concept us-gaap:DerivativeFairValueOfDerivativeLiability with a value of 0. The TransactionTypeAxis should not be used with these transaction market method items. The filer should use the TransactionMarketMethodAxis for disaggregation of these transaction market method items. Concept : us-gaap:DerivativeFairValueOfDerivativeLiability Value : 0 Period : 2025-12-31 Dimensions : us-gaap:FairValueByLiabilityClassA...
ERROR
The filer has reported a fact with the TransactionTypeAxis that is tagged with the concept us-gaap:DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral with a value of 374,000,000. The TransactionTypeAxis should not be used with these transaction market method items. The filer should use the TransactionMarketMethodAxis for disaggregation of these transaction market method items. Concept : us-gaap:DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral Value : 374...
ERROR
The filer has reported a fact with the TransactionTypeAxis that is tagged with the concept us-gaap:DerivativeCollateralRightToReclaimCash with a value of 0. The TransactionTypeAxis should not be used with these transaction market method items. The filer should use the TransactionMarketMethodAxis for disaggregation of these transaction market method items. Concept : us-gaap:DerivativeCollateralRightToReclaimCash Value : 0 Period : 2026-06-30 Dimensions : us-gaap:TransactionTypeAxis=us-gaap:Ov...
ERROR
The filer has reported a fact with the TransactionTypeAxis that is tagged with the concept us-gaap:DerivativeFairValueOfDerivativeLiability with a value of 1,000,000. The TransactionTypeAxis should not be used with these transaction market method items. The filer should use the TransactionMarketMethodAxis for disaggregation of these transaction market method items. Concept : us-gaap:DerivativeFairValueOfDerivativeLiability Value : 1,000,000 Period : 2026-06-30 Dimensions : us-gaap:FairValueB...
ERROR
The filer has reported a fact with the TransactionTypeAxis that is tagged with the concept us-gaap:DerivativeAssetNotSubjectToMasterNettingArrangement with a value of 5,000,000. The TransactionTypeAxis should not be used with these transaction market method items. The filer should use the TransactionMarketMethodAxis for disaggregation of these transaction market method items. Concept : us-gaap:DerivativeAssetNotSubjectToMasterNettingArrangement Value : 5,000,000 Period : 2026-06-30 Dimension...
ERROR
The filer has reported a fact with the TransactionTypeAxis that is tagged with the concept ck0000091882:DerivativeAssetNotSubjectToMasterNettingArrangementDeduction1 with a value of 0. The TransactionTypeAxis should not be used with these transaction market method items. The filer should use the TransactionMarketMethodAxis for disaggregation of these transaction market method items. Concept : ck0000091882:DerivativeAssetNotSubjectToMasterNettingArrangementDeduction1 Value : 0 Period : 2025-1...
ERROR
The filer has reported a fact with the TransactionTypeAxis that is tagged with the concept us-gaap:DerivativeLiabilityNotOffsetPolicyElectionDeduction with a value of 0. The TransactionTypeAxis should not be used with these transaction market method items. The filer should use the TransactionMarketMethodAxis for disaggregation of these transaction market method items. Concept : us-gaap:DerivativeLiabilityNotOffsetPolicyElectionDeduction Value : 0 Period : 2025-12-31 Dimensions : us-gaap:Fair...
ERROR
The filer has reported a fact with the TransactionTypeAxis that is tagged with the concept us-gaap:DerivativeLiabilityFairValueAfterOffsetAndDeductionSubjectToMasterNettingArrangement with a value of 2,000,000. The TransactionTypeAxis should not be used with these transaction market method items. The filer should use the TransactionMarketMethodAxis for disaggregation of these transaction market method items. Concept : us-gaap:DerivativeLiabilityFairValueAfterOffsetAndDeductionSubjectToMaster...
ERROR
The filer has reported a fact with the TransactionTypeAxis that is tagged with the concept us-gaap:DerivativeFairValueOfDerivativeLiability with a value of 1,000,000. The TransactionTypeAxis should not be used with these transaction market method items. The filer should use the TransactionMarketMethodAxis for disaggregation of these transaction market method items. Concept : us-gaap:DerivativeFairValueOfDerivativeLiability Value : 1,000,000 Period : 2026-06-30 Dimensions : us-gaap:Derivative...
ERROR
The filer has reported a fact with the TransactionTypeAxis that is tagged with the concept us-gaap:DerivativeLiabilityFairValueAfterOffsetAndDeductionSubjectToMasterNettingArrangement with a value of 1,000,000. The TransactionTypeAxis should not be used with these transaction market method items. The filer should use the TransactionMarketMethodAxis for disaggregation of these transaction market method items. Concept : us-gaap:DerivativeLiabilityFairValueAfterOffsetAndDeductionSubjectToMaster...
ERROR
The filer has reported a fact with the TransactionTypeAxis that is tagged with the concept us-gaap:DerivativeCollateralRightToReclaimCash with a value of 0. The TransactionTypeAxis should not be used with these transaction market method items. The filer should use the TransactionMarketMethodAxis for disaggregation of these transaction market method items. Concept : us-gaap:DerivativeCollateralRightToReclaimCash Value : 0 Period : 2026-06-30 Dimensions : us-gaap:DerivativeInstrumentRiskAxis=u...
What are data quality errors?
What are data quality errors?
Indicate areas that may not meet the standards set by the Data Quality Committee (DQC), and may reveal areas where the XBRL can be improved.
Possible Issues
2
WARNING
Concept BalanceSheetLocationAxis in us-gaap/2025 used in 4 facts was deprecated as of 2026 and should not be used.
WARNING
1 fact(s) appearing in ix:hidden were eligible for transformation: us-gaap:RegulatoryNoncurrentAssetEndDateForRecovery
What are possible issues?
What are possible issues?
Indicate areas of interest as to the quality of an XBRL formatted filing, and in some cases reveal opportunities for improvement of the XBRL filing.
SEC: Filing | Interactive Data