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Requested and approved increases are before New Jersey sales and use tax. The NJBPU awarded ACE electric revenue requirement increases of $ 36 million and $ 9 million effective December 1, 2023 and February 1, 2024, respectively.
text
9
monetaryItemType
text: <entity> 9 </entity> <entity type> monetaryItemType </entity type> <context> Requested and approved increases are before New Jersey sales and use tax. The NJBPU awarded ACE electric revenue requirement increases of $ 36 million and $ 9 million effective December 1, 2023 and February 1, 2024, respectively. </conte...
us-gaap:PublicUtilitiesApprovedRateIncreaseDecreaseAmount
The increase in BGE's transmission revenue requirement includes a $ 2 million reduction related to a FERC-approved dedicated facilities charge to recover the costs of providing transmission service to specifically designated load by BGE.
text
2
monetaryItemType
text: <entity> 2 </entity> <entity type> monetaryItemType </entity type> <context> The increase in BGE's transmission revenue requirement includes a $ 2 million reduction related to a FERC-approved dedicated facilities charge to recover the costs of providing transmission service to specifically designated load by BGE....
us-gaap:PublicUtilitiesRequestedRateIncreaseDecreaseAmendedAmount
On December 14, 2023, the ICC issued a final order. The ICC rejected ComEd’s Grid Plan as non-compliant with certain requirements of CEJA and required ComEd to file a revised Grid Plan. In the absence of an approved Grid Plan, the ICC set ComEd’s forecast revenue requirements for 2024-2027 based on ComEd's approved yea...
text
501
monetaryItemType
text: <entity> 501 </entity> <entity type> monetaryItemType </entity type> <context> On December 14, 2023, the ICC issued a final order. The ICC rejected ComEd’s Grid Plan as non-compliant with certain requirements of CEJA and required ComEd to file a revised Grid Plan. In the absence of an approved Grid Plan, the ICC ...
us-gaap:PublicUtilitiesInterimRateIncreaseDecreaseAmount
On December 14, 2023, the ICC issued a final order. The ICC rejected ComEd’s Grid Plan as non-compliant with certain requirements of CEJA and required ComEd to file a revised Grid Plan. In the absence of an approved Grid Plan, the ICC set ComEd’s forecast revenue requirements for 2024-2027 based on ComEd's approved yea...
text
986
monetaryItemType
text: <entity> 986 </entity> <entity type> monetaryItemType </entity type> <context> On December 14, 2023, the ICC issued a final order. The ICC rejected ComEd’s Grid Plan as non-compliant with certain requirements of CEJA and required ComEd to file a revised Grid Plan. In the absence of an approved Grid Plan, the ICC ...
us-gaap:PublicUtilitiesApprovedRateIncreaseDecreaseAmount
On March 13, 2024, ComEd filed its Refiled Grid Plan with supporting testimony and schedules with the ICC and subsequently on March 15, 2024, ComEd also filed a petition to adjust its MRP to authorize increased rates consistent with the Refiled Grid Plan. On December 19, 2024, the ICC approved the Refiled Grid Plan and...
text
1.045
monetaryItemType
text: <entity> 1.045 </entity> <entity type> monetaryItemType </entity type> <context> On March 13, 2024, ComEd filed its Refiled Grid Plan with supporting testimony and schedules with the ICC and subsequently on March 15, 2024, ComEd also filed a petition to adjust its MRP to authorize increased rates consistent with ...
us-gaap:PublicUtilitiesApprovedRateIncreaseDecreaseAmount
CEJA establishes decarbonization requirements for Illinois as well as programs to support the retention and development of emissions-free sources of electricity. ComEd is required to purchase CMCs from participating nuclear-powered generating facilities between June 1, 2022 and May 31, 2027. The price to be paid for ea...
text
179
monetaryItemType
text: <entity> 179 </entity> <entity type> monetaryItemType </entity type> <context> CEJA establishes decarbonization requirements for Illinois as well as programs to support the retention and development of emissions-free sources of electricity. ComEd is required to purchase CMCs from participating nuclear-powered gen...
us-gaap:RegulatoryAssets
ComEd's 2025 approved revenue requirement above reflects an increase of $ 66 million for the initial year revenue requirement for 2025 and a decrease of $ 8 million related to the annual reconciliation for 2023. The revenue requirement for 2025 provides for a weighted average debt and equity return on the energy effici...
text
66
monetaryItemType
text: <entity> 66 </entity> <entity type> monetaryItemType </entity type> <context> ComEd's 2025 approved revenue requirement above reflects an increase of $ 66 million for the initial year revenue requirement for 2025 and a decrease of $ 8 million related to the annual reconciliation for 2023. The revenue requirement ...
us-gaap:PublicUtilitiesApprovedRateIncreaseDecreaseAmount
ComEd's 2025 approved revenue requirement above reflects an increase of $ 66 million for the initial year revenue requirement for 2025 and a decrease of $ 8 million related to the annual reconciliation for 2023. The revenue requirement for 2025 provides for a weighted average debt and equity return on the energy effici...
text
8
monetaryItemType
text: <entity> 8 </entity> <entity type> monetaryItemType </entity type> <context> ComEd's 2025 approved revenue requirement above reflects an increase of $ 66 million for the initial year revenue requirement for 2025 and a decrease of $ 8 million related to the annual reconciliation for 2023. The revenue requirement f...
us-gaap:PublicUtilitiesApprovedRateIncreaseDecreaseAmount
ComEd's 2025 approved revenue requirement above reflects an increase of $ 66 million for the initial year revenue requirement for 2025 and a decrease of $ 8 million related to the annual reconciliation for 2023. The revenue requirement for 2025 provides for a weighted average debt and equity return on the energy effici...
text
7.02
percentItemType
text: <entity> 7.02 </entity> <entity type> percentItemType </entity type> <context> ComEd's 2025 approved revenue requirement above reflects an increase of $ 66 million for the initial year revenue requirement for 2025 and a decrease of $ 8 million related to the annual reconciliation for 2023. The revenue requirement...
us-gaap:PublicUtilitiesApprovedEquityCapitalStructurePercentage
ComEd's 2025 approved revenue requirement above reflects an increase of $ 66 million for the initial year revenue requirement for 2025 and a decrease of $ 8 million related to the annual reconciliation for 2023. The revenue requirement for 2025 provides for a weighted average debt and equity return on the energy effici...
text
9.89
percentItemType
text: <entity> 9.89 </entity> <entity type> percentItemType </entity type> <context> ComEd's 2025 approved revenue requirement above reflects an increase of $ 66 million for the initial year revenue requirement for 2025 and a decrease of $ 8 million related to the annual reconciliation for 2023. The revenue requirement...
us-gaap:PublicUtilitiesApprovedReturnOnEquityPercentage
ComEd's 2025 approved revenue requirement above reflects an increase of $ 66 million for the initial year revenue requirement for 2025 and a decrease of $ 8 million related to the annual reconciliation for 2023. The revenue requirement for 2025 provides for a weighted average debt and equity return on the energy effici...
text
7.24
percentItemType
text: <entity> 7.24 </entity> <entity type> percentItemType </entity type> <context> ComEd's 2025 approved revenue requirement above reflects an increase of $ 66 million for the initial year revenue requirement for 2025 and a decrease of $ 8 million related to the annual reconciliation for 2023. The revenue requirement...
us-gaap:PublicUtilitiesApprovedEquityCapitalStructurePercentage
ComEd's 2025 approved revenue requirement above reflects an increase of $ 66 million for the initial year revenue requirement for 2025 and a decrease of $ 8 million related to the annual reconciliation for 2023. The revenue requirement for 2025 provides for a weighted average debt and equity return on the energy effici...
text
10.34
percentItemType
text: <entity> 10.34 </entity> <entity type> percentItemType </entity type> <context> ComEd's 2025 approved revenue requirement above reflects an increase of $ 66 million for the initial year revenue requirement for 2025 and a decrease of $ 8 million related to the annual reconciliation for 2023. The revenue requiremen...
us-gaap:PublicUtilitiesApprovedReturnOnEquityPercentage
For the year ended December 31, 2024 and 2023, ACE has respectively paid $ 49 million and $ 88 million of the liability, which is recorded in Changes in Other assets and liabilities in Exelon's, PHI's, and ACE's Consolidated Statements of Cash Flows.
text
49
monetaryItemType
text: <entity> 49 </entity> <entity type> monetaryItemType </entity type> <context> For the year ended December 31, 2024 and 2023, ACE has respectively paid $ 49 million and $ 88 million of the liability, which is recorded in Changes in Other assets and liabilities in Exelon's, PHI's, and ACE's Consolidated Statements ...
us-gaap:GainLossOnContractTermination
For the year ended December 31, 2024 and 2023, ACE has respectively paid $ 49 million and $ 88 million of the liability, which is recorded in Changes in Other assets and liabilities in Exelon's, PHI's, and ACE's Consolidated Statements of Cash Flows.
text
88
monetaryItemType
text: <entity> 88 </entity> <entity type> monetaryItemType </entity type> <context> For the year ended December 31, 2024 and 2023, ACE has respectively paid $ 49 million and $ 88 million of the liability, which is recorded in Changes in Other assets and liabilities in Exelon's, PHI's, and ACE's Consolidated Statements ...
us-gaap:GainLossOnContractTermination
October 31, 2022, ACE filed with the NJBPU an IIP, called “Powering the Future”, proposing to seek recovery through a new component of ACE’s rider mechanism, totaling $ 379 million, over the four-year period of July 1, 2023, to June 30, 2027. The new IIP will allow ACE to invest in projects that are designed to enhance...
text
93
monetaryItemType
text: <entity> 93 </entity> <entity type> monetaryItemType </entity type> <context> October 31, 2022, ACE filed with the NJBPU an IIP, called “Powering the Future”, proposing to seek recovery through a new component of ACE’s rider mechanism, totaling $ 379 million, over the four-year period of July 1, 2023, to June 30,...
us-gaap:PublicUtilitiesApprovedRateIncreaseDecreaseAmount
On July 30, 2024, ComEd reached an agreement in principle on the contested overhead allocation finding. As a result of the settlement process, ComEd recorded a charge for the probable disallowance of $ 70 million of certain currently capitalized construction costs to operating expenses, which are not expected to be rec...
text
70
monetaryItemType
text: <entity> 70 </entity> <entity type> monetaryItemType </entity type> <context> On July 30, 2024, ComEd reached an agreement in principle on the contested overhead allocation finding. As a result of the settlement process, ComEd recorded a charge for the probable disallowance of $ 70 million of certain currently ca...
us-gaap:RegulatoryLiabilities
Exelon has six reportable segments, which include ComEd, PECO, BGE, and PHI's three reportable segments consisting of Pepco, DPL, and ACE. ComEd, PECO, BGE, Pepco, DPL, and ACE each represent a single reportable segment, and as such, no separate segment information is provided for these Registrants. Exelon, ComEd, PECO...
text
six
integerItemType
text: <entity> six </entity> <entity type> integerItemType </entity type> <context> Exelon has six reportable segments, which include ComEd, PECO, BGE, and PHI's three reportable segments consisting of Pepco, DPL, and ACE. ComEd, PECO, BGE, Pepco, DPL, and ACE each represent a single reportable segment, and as such, no...
us-gaap:NumberOfReportableSegments
Exelon has six reportable segments, which include ComEd, PECO, BGE, and PHI's three reportable segments consisting of Pepco, DPL, and ACE. ComEd, PECO, BGE, Pepco, DPL, and ACE each represent a single reportable segment, and as such, no separate segment information is provided for these Registrants. Exelon, ComEd, PECO...
text
three
integerItemType
text: <entity> three </entity> <entity type> integerItemType </entity type> <context> Exelon has six reportable segments, which include ComEd, PECO, BGE, and PHI's three reportable segments consisting of Pepco, DPL, and ACE. ComEd, PECO, BGE, Pepco, DPL, and ACE each represent a single reportable segment, and as such, ...
us-gaap:NumberOfReportableSegments
PECO, DPL, and ACE own a 42.55 %, 1 %, and 13.9 % share, respectively, in 151.3 miles of 500kV lines located in New Jersey and in the Salem substation. PECO, DPL, and ACE also own a 42.55 %, 7.45 %, and 7.45 % share, respectively, in 2.5 miles of 500kV line located over the Delaware River. ACE also has a 21.78 % share ...
text
42.55
percentItemType
text: <entity> 42.55 </entity> <entity type> percentItemType </entity type> <context> PECO, DPL, and ACE own a 42.55 %, 1 %, and 13.9 % share, respectively, in 151.3 miles of 500kV lines located in New Jersey and in the Salem substation. PECO, DPL, and ACE also own a 42.55 %, 7.45 %, and 7.45 % share, respectively, in ...
us-gaap:JointlyOwnedUtilityPlantProportionateOwnershipShare
PECO, DPL, and ACE own a 42.55 %, 1 %, and 13.9 % share, respectively, in 151.3 miles of 500kV lines located in New Jersey and in the Salem substation. PECO, DPL, and ACE also own a 42.55 %, 7.45 %, and 7.45 % share, respectively, in 2.5 miles of 500kV line located over the Delaware River. ACE also has a 21.78 % share ...
text
1
percentItemType
text: <entity> 1 </entity> <entity type> percentItemType </entity type> <context> PECO, DPL, and ACE own a 42.55 %, 1 %, and 13.9 % share, respectively, in 151.3 miles of 500kV lines located in New Jersey and in the Salem substation. PECO, DPL, and ACE also own a 42.55 %, 7.45 %, and 7.45 % share, respectively, in 2.5 ...
us-gaap:JointlyOwnedUtilityPlantProportionateOwnershipShare
PECO, DPL, and ACE own a 42.55 %, 1 %, and 13.9 % share, respectively, in 151.3 miles of 500kV lines located in New Jersey and in the Salem substation. PECO, DPL, and ACE also own a 42.55 %, 7.45 %, and 7.45 % share, respectively, in 2.5 miles of 500kV line located over the Delaware River. ACE also has a 21.78 % share ...
text
13.9
percentItemType
text: <entity> 13.9 </entity> <entity type> percentItemType </entity type> <context> PECO, DPL, and ACE own a 42.55 %, 1 %, and 13.9 % share, respectively, in 151.3 miles of 500kV lines located in New Jersey and in the Salem substation. PECO, DPL, and ACE also own a 42.55 %, 7.45 %, and 7.45 % share, respectively, in 2...
us-gaap:JointlyOwnedUtilityPlantProportionateOwnershipShare
PECO, DPL, and ACE own a 42.55 %, 1 %, and 13.9 % share, respectively, in 151.3 miles of 500kV lines located in New Jersey and in the Salem substation. PECO, DPL, and ACE also own a 42.55 %, 7.45 %, and 7.45 % share, respectively, in 2.5 miles of 500kV line located over the Delaware River. ACE also has a 21.78 % share ...
text
7.45
percentItemType
text: <entity> 7.45 </entity> <entity type> percentItemType </entity type> <context> PECO, DPL, and ACE own a 42.55 %, 1 %, and 13.9 % share, respectively, in 151.3 miles of 500kV lines located in New Jersey and in the Salem substation. PECO, DPL, and ACE also own a 42.55 %, 7.45 %, and 7.45 % share, respectively, in 2...
us-gaap:JointlyOwnedUtilityPlantProportionateOwnershipShare
PECO, DPL, and ACE own a 42.55 %, 1 %, and 13.9 % share, respectively, in 151.3 miles of 500kV lines located in New Jersey and in the Salem substation. PECO, DPL, and ACE also own a 42.55 %, 7.45 %, and 7.45 % share, respectively, in 2.5 miles of 500kV line located over the Delaware River. ACE also has a 21.78 % share ...
text
21.78
percentItemType
text: <entity> 21.78 </entity> <entity type> percentItemType </entity type> <context> PECO, DPL, and ACE own a 42.55 %, 1 %, and 13.9 % share, respectively, in 151.3 miles of 500kV lines located in New Jersey and in the Salem substation. PECO, DPL, and ACE also own a 42.55 %, 7.45 %, and 7.45 % share, respectively, in ...
us-gaap:JointlyOwnedUtilityPlantProportionateOwnershipShare
Certain facilities are fully owned by Exelon through its 100 % ownership in PECO, DPL, and ACE. These facilities are operated by Exelon Registrants. PECO's, DPL's, and ACE's material undivided ownership interests in Exelon owned facilities as of December 31, 2024 and 2023 were as follows:
text
100
percentItemType
text: <entity> 100 </entity> <entity type> percentItemType </entity type> <context> Certain facilities are fully owned by Exelon through its 100 % ownership in PECO, DPL, and ACE. These facilities are operated by Exelon Registrants. PECO's, DPL's, and ACE's material undivided ownership interests in Exelon owned facilit...
us-gaap:JointlyOwnedUtilityPlantProportionateOwnershipShare
Goodwill is not amortized, but is subject to an assessment for impairment at least annually, or more frequently if events occur or circumstances change that would more likely than not reduce the fair value of ComEd's and PHI's reporting units below their carrying amounts. A reporting unit is an operating segment or one...
text
2.6
monetaryItemType
text: <entity> 2.6 </entity> <entity type> monetaryItemType </entity type> <context> Goodwill is not amortized, but is subject to an assessment for impairment at least annually, or more frequently if events occur or circumstances change that would more likely than not reduce the fair value of ComEd's and PHI's reportin...
us-gaap:Goodwill
Goodwill is not amortized, but is subject to an assessment for impairment at least annually, or more frequently if events occur or circumstances change that would more likely than not reduce the fair value of ComEd's and PHI's reporting units below their carrying amounts. A reporting unit is an operating segment or one...
text
4.0
monetaryItemType
text: <entity> 4.0 </entity> <entity type> monetaryItemType </entity type> <context> Goodwill is not amortized, but is subject to an assessment for impairment at least annually, or more frequently if events occur or circumstances change that would more likely than not reduce the fair value of ComEd's and PHI's reportin...
us-gaap:Goodwill
Goodwill is not amortized, but is subject to an assessment for impairment at least annually, or more frequently if events occur or circumstances change that would more likely than not reduce the fair value of ComEd's and PHI's reporting units below their carrying amounts. A reporting unit is an operating segment or one...
text
2.1
monetaryItemType
text: <entity> 2.1 </entity> <entity type> monetaryItemType </entity type> <context> Goodwill is not amortized, but is subject to an assessment for impairment at least annually, or more frequently if events occur or circumstances change that would more likely than not reduce the fair value of ComEd's and PHI's reportin...
us-gaap:Goodwill
Goodwill is not amortized, but is subject to an assessment for impairment at least annually, or more frequently if events occur or circumstances change that would more likely than not reduce the fair value of ComEd's and PHI's reporting units below their carrying amounts. A reporting unit is an operating segment or one...
text
1.4
monetaryItemType
text: <entity> 1.4 </entity> <entity type> monetaryItemType </entity type> <context> Goodwill is not amortized, but is subject to an assessment for impairment at least annually, or more frequently if events occur or circumstances change that would more likely than not reduce the fair value of ComEd's and PHI's reportin...
us-gaap:Goodwill
Goodwill is not amortized, but is subject to an assessment for impairment at least annually, or more frequently if events occur or circumstances change that would more likely than not reduce the fair value of ComEd's and PHI's reporting units below their carrying amounts. A reporting unit is an operating segment or one...
text
0.5
monetaryItemType
text: <entity> 0.5 </entity> <entity type> monetaryItemType </entity type> <context> Goodwill is not amortized, but is subject to an assessment for impairment at least annually, or more frequently if events occur or circumstances change that would more likely than not reduce the fair value of ComEd's and PHI's reportin...
us-gaap:Goodwill
For Exelon, the lower state income taxes, net of federal income tax benefit, is primarily due to the long-term marginal state income tax rate change of $ 54 million.
text
54
monetaryItemType
text: <entity> 54 </entity> <entity type> monetaryItemType </entity type> <context> For Exelon, the lower state income taxes, net of federal income tax benefit, is primarily due to the long-term marginal state income tax rate change of $ 54 million. </context>
us-gaap:IncomeTaxReconciliationStateAndLocalIncomeTaxes
For PECO, the lower effective tax rate is primarily related to plant basis differences attributable to tax repair deductions partially offset by higher state income taxes, net of federal income tax benefit, related to a one-time expense of $ 38 million attributable to the change in the Pennsylvania corporate income ta...
text
38
monetaryItemType
text: <entity> 38 </entity> <entity type> monetaryItemType </entity type> <context> For PECO, the lower effective tax rate is primarily related to plant basis differences attributable to tax repair deductions partially offset by higher state income taxes, net of federal income tax benefit, related to a one-time expense...
us-gaap:IncreaseDecreaseInIncomeTaxes
For Exelon, the higher state income taxes, net of federal income tax benefit, is primarily due to the long-term marginal state income tax rate change of $ 67 million and the recognition of a valuation allowance of $ 40 million against the net deferred tax asset position for certain standalone state filing jurisdictions...
text
67
monetaryItemType
text: <entity> 67 </entity> <entity type> monetaryItemType </entity type> <context> For Exelon, the higher state income taxes, net of federal income tax benefit, is primarily due to the long-term marginal state income tax rate change of $ 67 million and the recognition of a valuation allowance of $ 40 million against t...
us-gaap:IncomeTaxReconciliationChangeInEnactedTaxRate
For Exelon, the higher state income taxes, net of federal income tax benefit, is primarily due to the long-term marginal state income tax rate change of $ 67 million and the recognition of a valuation allowance of $ 40 million against the net deferred tax asset position for certain standalone state filing jurisdictions...
text
40
monetaryItemType
text: <entity> 40 </entity> <entity type> monetaryItemType </entity type> <context> For Exelon, the higher state income taxes, net of federal income tax benefit, is primarily due to the long-term marginal state income tax rate change of $ 67 million and the recognition of a valuation allowance of $ 40 million against t...
us-gaap:ValuationAllowanceDeferredTaxAssetChangeInAmount
For Exelon, the higher state income taxes, net of federal income tax benefit, is primarily due to the long-term marginal state income tax rate change of $ 67 million and the recognition of a valuation allowance of $ 40 million against the net deferred tax asset position for certain standalone state filing jurisdictions...
text
43
monetaryItemType
text: <entity> 43 </entity> <entity type> monetaryItemType </entity type> <context> For Exelon, the higher state income taxes, net of federal income tax benefit, is primarily due to the long-term marginal state income tax rate change of $ 67 million and the recognition of a valuation allowance of $ 40 million against t...
us-gaap:IncomeTaxReconciliationStateAndLocalIncomeTaxes
For Exelon, the higher state income taxes, net of federal income tax benefit, is primarily due to the long-term marginal state income tax rate change of $ 67 million and the recognition of a valuation allowance of $ 40 million against the net deferred tax asset position for certain standalone state filing jurisdictions...
text
11
monetaryItemType
text: <entity> 11 </entity> <entity type> monetaryItemType </entity type> <context> For Exelon, the higher state income taxes, net of federal income tax benefit, is primarily due to the long-term marginal state income tax rate change of $ 67 million and the recognition of a valuation allowance of $ 40 million against t...
us-gaap:IncomeTaxReconciliationOtherAdjustments
For Exelon, the higher state income taxes, net of federal income tax benefit, is primarily due to the long-term marginal state income tax rate change of $ 67 million and the recognition of a valuation allowance of $ 40 million against the net deferred tax asset position for certain standalone state filing jurisdictions...
text
38
monetaryItemType
text: <entity> 38 </entity> <entity type> monetaryItemType </entity type> <context> For Exelon, the higher state income taxes, net of federal income tax benefit, is primarily due to the long-term marginal state income tax rate change of $ 67 million and the recognition of a valuation allowance of $ 40 million against t...
us-gaap:IncreaseDecreaseInIncomeTaxes
For Exelon, reflects the income tax expense related to the write-off of federal tax credits subject to recapture of $ 15 million as a result of the separation.
text
15
monetaryItemType
text: <entity> 15 </entity> <entity type> monetaryItemType </entity type> <context> For Exelon, reflects the income tax expense related to the write-off of federal tax credits subject to recapture of $ 15 million as a result of the separation. </context>
us-gaap:IncomeTaxCreditsAndAdjustments
For Exelon, reflects the nondeductible transaction costs of approximately $ 12 million arising as part of the separation and indemnification adjustments pursuant to the Tax Matters Agreement of $ 9 million.
text
9
monetaryItemType
text: <entity> 9 </entity> <entity type> monetaryItemType </entity type> <context> For Exelon, reflects the nondeductible transaction costs of approximately $ 12 million arising as part of the separation and indemnification adjustments pursuant to the Tax Matters Agreement of $ 9 million. </context>
us-gaap:IncomeTaxReconciliationOtherAdjustments
At December 31, 2024 and 2023, Exelon recorded a receivable of $ 31 million and $ 31 million, respectively, in noncurrent Other assets in the Consolidated Balance Sheet for Constellation’s share of unrecognized tax benefits for periods prior to the separation.
text
31
monetaryItemType
text: <entity> 31 </entity> <entity type> monetaryItemType </entity type> <context> At December 31, 2024 and 2023, Exelon recorded a receivable of $ 31 million and $ 31 million, respectively, in noncurrent Other assets in the Consolidated Balance Sheet for Constellation’s share of unrecognized tax benefits for periods ...
us-gaap:IncomeTaxesReceivableNoncurrent
At December 31, 2024, Exelon classified $ 27 million and $ 49 million of the interest receivable as current and noncurrent, respectively, based on the expected timing for settlement in cash. At December 31, 2024, Exelon recorded a receivable of $ 9 million in noncurrent Other assets in the Consolidated Balance Sheet fo...
text
27
monetaryItemType
text: <entity> 27 </entity> <entity type> monetaryItemType </entity type> <context> At December 31, 2024, Exelon classified $ 27 million and $ 49 million of the interest receivable as current and noncurrent, respectively, based on the expected timing for settlement in cash. At December 31, 2024, Exelon recorded a recei...
us-gaap:InterestReceivableCurrent
At December 31, 2024, Exelon classified $ 27 million and $ 49 million of the interest receivable as current and noncurrent, respectively, based on the expected timing for settlement in cash. At December 31, 2024, Exelon recorded a receivable of $ 9 million in noncurrent Other assets in the Consolidated Balance Sheet fo...
text
49
monetaryItemType
text: <entity> 49 </entity> <entity type> monetaryItemType </entity type> <context> At December 31, 2024, Exelon classified $ 27 million and $ 49 million of the interest receivable as current and noncurrent, respectively, based on the expected timing for settlement in cash. At December 31, 2024, Exelon recorded a recei...
us-gaap:InterestReceivableNoncurrent
At December 31, 2024, Exelon classified $ 27 million and $ 49 million of the interest receivable as current and noncurrent, respectively, based on the expected timing for settlement in cash. At December 31, 2024, Exelon recorded a receivable of $ 9 million in noncurrent Other assets in the Consolidated Balance Sheet fo...
text
9
monetaryItemType
text: <entity> 9 </entity> <entity type> monetaryItemType </entity type> <context> At December 31, 2024, Exelon classified $ 27 million and $ 49 million of the interest receivable as current and noncurrent, respectively, based on the expected timing for settlement in cash. At December 31, 2024, Exelon recorded a receiv...
us-gaap:OtherAssetsNoncurrent
At December 31, 2023, Exelon classified $ 21 million
text
21
monetaryItemType
text: <entity> 21 </entity> <entity type> monetaryItemType </entity type> <context> At December 31, 2023, Exelon classified $ 21 million </context>
us-gaap:InterestReceivableCurrent
of the interest receivable as current and noncurrent, respectively, based on the expected timing for settlement in cash. At December 31, 2023, Exelon recorded a receivable of $ 5 million in noncurrent Other assets in the Consolidated Balance Sheet for Constellation's share of net interest for periods prior to the separ...
text
5
monetaryItemType
text: <entity> 5 </entity> <entity type> monetaryItemType </entity type> <context> of the interest receivable as current and noncurrent, respectively, based on the expected timing for settlement in cash. At December 31, 2023, Exelon recorded a receivable of $ 5 million in noncurrent Other assets in the Consolidated Bal...
us-gaap:OtherAssetsNoncurrent
In the first quarter of 2022, in connection with the separation, Exelon recorded an income tax expense related to continuing operations of $ 148 million primarily due to the long-term marginal state income tax rate change of $ 54 million discussed further below, the recognition of valuation allowances of approximately ...
text
54
monetaryItemType
text: <entity> 54 </entity> <entity type> monetaryItemType </entity type> <context> In the first quarter of 2022, in connection with the separation, Exelon recorded an income tax expense related to continuing operations of $ 148 million primarily due to the long-term marginal state income tax rate change of $ 54 millio...
us-gaap:IncomeTaxReconciliationStateAndLocalIncomeTaxes
In the first quarter of 2022, in connection with the separation, Exelon recorded an income tax expense related to continuing operations of $ 148 million primarily due to the long-term marginal state income tax rate change of $ 54 million discussed further below, the recognition of valuation allowances of approximately ...
text
40
monetaryItemType
text: <entity> 40 </entity> <entity type> monetaryItemType </entity type> <context> In the first quarter of 2022, in connection with the separation, Exelon recorded an income tax expense related to continuing operations of $ 148 million primarily due to the long-term marginal state income tax rate change of $ 54 millio...
us-gaap:ValuationAllowanceDeferredTaxAssetChangeInAmount
In the first quarter of 2022, in connection with the separation, Exelon recorded an income tax expense related to continuing operations of $ 148 million primarily due to the long-term marginal state income tax rate change of $ 54 million discussed further below, the recognition of valuation allowances of approximately ...
text
17
monetaryItemType
text: <entity> 17 </entity> <entity type> monetaryItemType </entity type> <context> In the first quarter of 2022, in connection with the separation, Exelon recorded an income tax expense related to continuing operations of $ 148 million primarily due to the long-term marginal state income tax rate change of $ 54 millio...
us-gaap:IncomeTaxCreditsAndAdjustments
As a former subsidiary of Exelon, Constellation has joint and several liability with Exelon to the IRS and certain state jurisdictions relating to the taxable periods prior to the separation. The TMA specifies that Constellation is liable for their share of taxes required to be paid by Exelon with respect to taxable pe...
text
no
monetaryItemType
text: <entity> no </entity> <entity type> monetaryItemType </entity type> <context> As a former subsidiary of Exelon, Constellation has joint and several liability with Exelon to the IRS and certain state jurisdictions relating to the taxable periods prior to the separation. The TMA specifies that Constellation is liab...
us-gaap:IncomeTaxesReceivable
Exelon will reimburse Constellation when those allocated tax attribute carryforwards are utilized. In 2024, Exelon remitted $ 174 million of payments to Constellation for the utilization of pre-closing tax credit carryforwards. At December 31, 2024, Exelon recorded a payable of $ 141 million and $ 198 million in Other ...
text
141
monetaryItemType
text: <entity> 141 </entity> <entity type> monetaryItemType </entity type> <context> Exelon will reimburse Constellation when those allocated tax attribute carryforwards are utilized. In 2024, Exelon remitted $ 174 million of payments to Constellation for the utilization of pre-closing tax credit carryforwards. At Dece...
us-gaap:TaxesPayableCurrentAndNoncurrent
Exelon will reimburse Constellation when those allocated tax attribute carryforwards are utilized. In 2024, Exelon remitted $ 174 million of payments to Constellation for the utilization of pre-closing tax credit carryforwards. At December 31, 2024, Exelon recorded a payable of $ 141 million and $ 198 million in Other ...
text
198
monetaryItemType
text: <entity> 198 </entity> <entity type> monetaryItemType </entity type> <context> Exelon will reimburse Constellation when those allocated tax attribute carryforwards are utilized. In 2024, Exelon remitted $ 174 million of payments to Constellation for the utilization of pre-closing tax credit carryforwards. At Dece...
us-gaap:LongTermNotesPayable
On August 16, 2022, the IRA was signed into law and implemented a new corporate alternative minimum tax (CAMT) that imposes a 15.0 % tax on modified GAAP net income. Corporations are entitled to a tax credit (minimum tax credit) to the extent the CAMT liability exceeds the regular tax liability. This amount can be carr...
text
15.0
percentItemType
text: <entity> 15.0 </entity> <entity type> percentItemType </entity type> <context> On August 16, 2022, the IRA was signed into law and implemented a new corporate alternative minimum tax (CAMT) that imposes a 15.0 % tax on modified GAAP net income. Corporations are entitled to a tax credit (minimum tax credit) to the...
us-gaap:EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate
Quarterly, Exelon reviews and updates its marginal state income tax rates for material changes in state tax laws and state apportionment. The Registrants remeasure their existing deferred income tax balances to reflect the changes in marginal rates, which results in either an increase or a decrease to their net deferre...
text
54
monetaryItemType
text: <entity> 54 </entity> <entity type> monetaryItemType </entity type> <context> Quarterly, Exelon reviews and updates its marginal state income tax rates for material changes in state tax laws and state apportionment. The Registrants remeasure their existing deferred income tax balances to reflect the changes in ma...
us-gaap:IncomeTaxReconciliationStateAndLocalIncomeTaxes
As of February 1, 2022, in connection with the separation, Exelon's pension and OPEB plans were remeasured. The remeasurement and separation resulted in a decrease to the Pension obligation, net of plan assets, of $ 921 million and a decrease to the OPEB obligation of $ 893 million. Additionally, AOCI decreased by $ 1,...
text
921
monetaryItemType
text: <entity> 921 </entity> <entity type> monetaryItemType </entity type> <context> As of February 1, 2022, in connection with the separation, Exelon's pension and OPEB plans were remeasured. The remeasurement and separation resulted in a decrease to the Pension obligation, net of plan assets, of $ 921 million and a d...
us-gaap:IncreaseDecreaseInPensionPlanObligations
As of February 1, 2022, in connection with the separation, Exelon's pension and OPEB plans were remeasured. The remeasurement and separation resulted in a decrease to the Pension obligation, net of plan assets, of $ 921 million and a decrease to the OPEB obligation of $ 893 million. Additionally, AOCI decreased by $ 1,...
text
893
monetaryItemType
text: <entity> 893 </entity> <entity type> monetaryItemType </entity type> <context> As of February 1, 2022, in connection with the separation, Exelon's pension and OPEB plans were remeasured. The remeasurement and separation resulted in a decrease to the Pension obligation, net of plan assets, of $ 921 million and a d...
us-gaap:IncreaseDecreaseInPostretirementObligations
As of February 1, 2022, in connection with the separation, Exelon's pension and OPEB plans were remeasured. The remeasurement and separation resulted in a decrease to the Pension obligation, net of plan assets, of $ 921 million and a decrease to the OPEB obligation of $ 893 million. Additionally, AOCI decreased by $ 1,...
text
1994
monetaryItemType
text: <entity> 1994 </entity> <entity type> monetaryItemType </entity type> <context> As of February 1, 2022, in connection with the separation, Exelon's pension and OPEB plans were remeasured. The remeasurement and separation resulted in a decrease to the Pension obligation, net of plan assets, of $ 921 million and a ...
us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesAfterTax
During the first quarter of 2024, Exelon received an updated valuation of its pension and OPEB to reflect actual census data as of January 1, 2024. This valuation resulted in an increase to the pension obligation of $ 98 million and a decrease to the OPEB obligations of $ 1 million. Additionally, AOCI increased by $ 25...
text
98
monetaryItemType
text: <entity> 98 </entity> <entity type> monetaryItemType </entity type> <context> During the first quarter of 2024, Exelon received an updated valuation of its pension and OPEB to reflect actual census data as of January 1, 2024. This valuation resulted in an increase to the pension obligation of $ 98 million and a d...
us-gaap:IncreaseDecreaseInPensionPlanObligations
During the first quarter of 2024, Exelon received an updated valuation of its pension and OPEB to reflect actual census data as of January 1, 2024. This valuation resulted in an increase to the pension obligation of $ 98 million and a decrease to the OPEB obligations of $ 1 million. Additionally, AOCI increased by $ 25...
text
1
monetaryItemType
text: <entity> 1 </entity> <entity type> monetaryItemType </entity type> <context> During the first quarter of 2024, Exelon received an updated valuation of its pension and OPEB to reflect actual census data as of January 1, 2024. This valuation resulted in an increase to the pension obligation of $ 98 million and a de...
us-gaap:IncreaseDecreaseInPostretirementObligations
During the first quarter of 2024, Exelon received an updated valuation of its pension and OPEB to reflect actual census data as of January 1, 2024. This valuation resulted in an increase to the pension obligation of $ 98 million and a decrease to the OPEB obligations of $ 1 million. Additionally, AOCI increased by $ 25...
text
25
monetaryItemType
text: <entity> 25 </entity> <entity type> monetaryItemType </entity type> <context> During the first quarter of 2024, Exelon received an updated valuation of its pension and OPEB to reflect actual census data as of January 1, 2024. This valuation resulted in an increase to the pension obligation of $ 98 million and a d...
us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesAfterTax
The majority of the 2024 pension benefit cost for the Exelon-sponsored plans is calculated using an expected long-term rate of return on plan assets of 7.00 % and a discount rate of 5.19 %. The majority of the 2024 OPEB cost is calculated using an expected long-term rate of return on plan assets of 6.50 % for funded pl...
text
7.00
percentItemType
text: <entity> 7.00 </entity> <entity type> percentItemType </entity type> <context> The majority of the 2024 pension benefit cost for the Exelon-sponsored plans is calculated using an expected long-term rate of return on plan assets of 7.00 % and a discount rate of 5.19 %. The majority of the 2024 OPEB cost is calcula...
us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets
The majority of the 2024 pension benefit cost for the Exelon-sponsored plans is calculated using an expected long-term rate of return on plan assets of 7.00 % and a discount rate of 5.19 %. The majority of the 2024 OPEB cost is calculated using an expected long-term rate of return on plan assets of 6.50 % for funded pl...
text
5.19
percentItemType
text: <entity> 5.19 </entity> <entity type> percentItemType </entity type> <context> The majority of the 2024 pension benefit cost for the Exelon-sponsored plans is calculated using an expected long-term rate of return on plan assets of 7.00 % and a discount rate of 5.19 %. The majority of the 2024 OPEB cost is calcula...
us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate
The majority of the 2024 pension benefit cost for the Exelon-sponsored plans is calculated using an expected long-term rate of return on plan assets of 7.00 % and a discount rate of 5.19 %. The majority of the 2024 OPEB cost is calculated using an expected long-term rate of return on plan assets of 6.50 % for funded pl...
text
6.50
percentItemType
text: <entity> 6.50 </entity> <entity type> percentItemType </entity type> <context> The majority of the 2024 pension benefit cost for the Exelon-sponsored plans is calculated using an expected long-term rate of return on plan assets of 7.00 % and a discount rate of 5.19 %. The majority of the 2024 OPEB cost is calcula...
us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets
The majority of the 2024 pension benefit cost for the Exelon-sponsored plans is calculated using an expected long-term rate of return on plan assets of 7.00 % and a discount rate of 5.19 %. The majority of the 2024 OPEB cost is calculated using an expected long-term rate of return on plan assets of 6.50 % for funded pl...
text
5.17
percentItemType
text: <entity> 5.17 </entity> <entity type> percentItemType </entity type> <context> The majority of the 2024 pension benefit cost for the Exelon-sponsored plans is calculated using an expected long-term rate of return on plan assets of 7.00 % and a discount rate of 5.19 %. The majority of the 2024 OPEB cost is calcula...
us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate
Exelon allocates contributions related to its ECRP and PPBU pension plans and East and West OPEB plans to its subsidiaries based on accounting cost. For the EPP pension plan, PHI Qualified, and PHI PRW plans, pension and OPEB contributions are allocated to the subsidiaries based on employee participation (both active a...
text
207
monetaryItemType
text: <entity> 207 </entity> <entity type> monetaryItemType </entity type> <context> Exelon allocates contributions related to its ECRP and PPBU pension plans and East and West OPEB plans to its subsidiaries based on accounting cost. For the EPP pension plan, PHI Qualified, and PHI PRW plans, pension and OPEB contribut...
us-gaap:PensionAndOtherPostretirementBenefitContributions
Exelon allocates contributions related to its ECRP and PPBU pension plans and East and West OPEB plans to its subsidiaries based on accounting cost. For the EPP pension plan, PHI Qualified, and PHI PRW plans, pension and OPEB contributions are allocated to the subsidiaries based on employee participation (both active a...
text
33
monetaryItemType
text: <entity> 33 </entity> <entity type> monetaryItemType </entity type> <context> Exelon allocates contributions related to its ECRP and PPBU pension plans and East and West OPEB plans to its subsidiaries based on accounting cost. For the EPP pension plan, PHI Qualified, and PHI PRW plans, pension and OPEB contributi...
us-gaap:PensionAndOtherPostretirementBenefitContributions
Management considers various factors when making pension funding decisions, including actuarially determined minimum contribution requirements under ERISA, contributions required to avoid benefit restrictions and at-risk status as defined by the Pension Protection Act of 2006 (the "Act"), management of the pension obli...
text
275
monetaryItemType
text: <entity> 275 </entity> <entity type> monetaryItemType </entity type> <context> Management considers various factors when making pension funding decisions, including actuarially determined minimum contribution requirements under ERISA, contributions required to avoid benefit restrictions and at-risk status as defi...
us-gaap:DefinedContributionPlanEmployerDiscretionaryContributionAmount
Actual asset returns have an impact on the costs reported for the Exelon-sponsored pension and OPEB plans. The actual asset returns across Exelon’s pension and OPEB plans for the year ended December 31, 2024 were 1.49 % and 8.54 %, respectively, compared to an expected long-term return assumption of 7.00 % and 6.50 %, ...
text
7.00
percentItemType
text: <entity> 7.00 </entity> <entity type> percentItemType </entity type> <context> Actual asset returns have an impact on the costs reported for the Exelon-sponsored pension and OPEB plans. The actual asset returns across Exelon’s pension and OPEB plans for the year ended December 31, 2024 were 1.49 % and 8.54 %, res...
us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets
Actual asset returns have an impact on the costs reported for the Exelon-sponsored pension and OPEB plans. The actual asset returns across Exelon’s pension and OPEB plans for the year ended December 31, 2024 were 1.49 % and 8.54 %, respectively, compared to an expected long-term return assumption of 7.00 % and 6.50 %, ...
text
6.50
percentItemType
text: <entity> 6.50 </entity> <entity type> percentItemType </entity type> <context> Actual asset returns have an impact on the costs reported for the Exelon-sponsored pension and OPEB plans. The actual asset returns across Exelon’s pension and OPEB plans for the year ended December 31, 2024 were 1.49 % and 8.54 %, res...
us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets
Exelon evaluated its pension and OPEB plans’ asset portfolios for the existence of significant concentrations of credit risk as of December 31, 2024. Types of concentrations that were evaluated include, but are not limited to, investment concentrations in a single entity, type of industry, foreign country, and individu...
text
no
monetaryItemType
text: <entity> no </entity> <entity type> monetaryItemType </entity type> <context> Exelon evaluated its pension and OPEB plans’ asset portfolios for the existence of significant concentrations of credit risk as of December 31, 2024. Types of concentrations that were evaluated include, but are not limited to, investmen...
us-gaap:FairValueConcentrationOfRiskInvestments
Includes derivative instruments of $( 21 ) million and $ 51 million for the years ended December 31, 2024 and 2023, respectively, which have total notional amounts of $ 5,123 million and $ 3,351 million as of December 31, 2024 and 2023, respectively. The notional principal amounts for these instruments provide one meas...
text
21
monetaryItemType
text: <entity> 21 </entity> <entity type> monetaryItemType </entity type> <context> Includes derivative instruments of $( 21 ) million and $ 51 million for the years ended December 31, 2024 and 2023, respectively, which have total notional amounts of $ 5,123 million and $ 3,351 million as of December 31, 2024 and 2023,...
us-gaap:DerivativeFairValueOfDerivativeNet
Includes derivative instruments of $( 21 ) million and $ 51 million for the years ended December 31, 2024 and 2023, respectively, which have total notional amounts of $ 5,123 million and $ 3,351 million as of December 31, 2024 and 2023, respectively. The notional principal amounts for these instruments provide one meas...
text
51
monetaryItemType
text: <entity> 51 </entity> <entity type> monetaryItemType </entity type> <context> Includes derivative instruments of $( 21 ) million and $ 51 million for the years ended December 31, 2024 and 2023, respectively, which have total notional amounts of $ 5,123 million and $ 3,351 million as of December 31, 2024 and 2023,...
us-gaap:DerivativeFairValueOfDerivativeNet
Includes derivative instruments of $( 21 ) million and $ 51 million for the years ended December 31, 2024 and 2023, respectively, which have total notional amounts of $ 5,123 million and $ 3,351 million as of December 31, 2024 and 2023, respectively. The notional principal amounts for these instruments provide one meas...
text
5123
monetaryItemType
text: <entity> 5123 </entity> <entity type> monetaryItemType </entity type> <context> Includes derivative instruments of $( 21 ) million and $ 51 million for the years ended December 31, 2024 and 2023, respectively, which have total notional amounts of $ 5,123 million and $ 3,351 million as of December 31, 2024 and 202...
us-gaap:DerivativeNotionalAmount
Includes derivative instruments of $( 21 ) million and $ 51 million for the years ended December 31, 2024 and 2023, respectively, which have total notional amounts of $ 5,123 million and $ 3,351 million as of December 31, 2024 and 2023, respectively. The notional principal amounts for these instruments provide one meas...
text
3351
monetaryItemType
text: <entity> 3351 </entity> <entity type> monetaryItemType </entity type> <context> Includes derivative instruments of $( 21 ) million and $ 51 million for the years ended December 31, 2024 and 2023, respectively, which have total notional amounts of $ 5,123 million and $ 3,351 million as of December 31, 2024 and 202...
us-gaap:DerivativeNotionalAmount
Excludes net liabilities of $ 670 million and $ 388 million as of December 31, 2024 and 2023, respectively, which include certain derivative assets that have notional amounts of $ 41 million and $ 59 million as of December 31, 2024 and 2023, respectively. These items are required to reconcile to the fair value of net p...
text
41
monetaryItemType
text: <entity> 41 </entity> <entity type> monetaryItemType </entity type> <context> Excludes net liabilities of $ 670 million and $ 388 million as of December 31, 2024 and 2023, respectively, which include certain derivative assets that have notional amounts of $ 41 million and $ 59 million as of December 31, 2024 and ...
us-gaap:DerivativeNotionalAmount
Excludes net liabilities of $ 670 million and $ 388 million as of December 31, 2024 and 2023, respectively, which include certain derivative assets that have notional amounts of $ 41 million and $ 59 million as of December 31, 2024 and 2023, respectively. These items are required to reconcile to the fair value of net p...
text
59
monetaryItemType
text: <entity> 59 </entity> <entity type> monetaryItemType </entity type> <context> Excludes net liabilities of $ 670 million and $ 388 million as of December 31, 2024 and 2023, respectively, which include certain derivative assets that have notional amounts of $ 41 million and $ 59 million as of December 31, 2024 and ...
us-gaap:DerivativeNotionalAmount
In February 2024, Exelon terminated the previously issued floating-to-fixed swaps with a total notional of $ 1.3 billion upon issuance of $ 1.7 billion of debt. See Note 16 — Debt and Credit Agreements for additional information on the debt issuance. Prior to the termination, the AOCI derivative gain was $ 33 million (...
text
1.3
monetaryItemType
text: <entity> 1.3 </entity> <entity type> monetaryItemType </entity type> <context> In February 2024, Exelon terminated the previously issued floating-to-fixed swaps with a total notional of $ 1.3 billion upon issuance of $ 1.7 billion of debt. See Note 16 — Debt and Credit Agreements for additional information on the...
us-gaap:DerivativeNotionalAmount
In February 2024, Exelon terminated the previously issued floating-to-fixed swaps with a total notional of $ 1.3 billion upon issuance of $ 1.7 billion of debt. See Note 16 — Debt and Credit Agreements for additional information on the debt issuance. Prior to the termination, the AOCI derivative gain was $ 33 million (...
text
1.7
monetaryItemType
text: <entity> 1.7 </entity> <entity type> monetaryItemType </entity type> <context> In February 2024, Exelon terminated the previously issued floating-to-fixed swaps with a total notional of $ 1.3 billion upon issuance of $ 1.7 billion of debt. See Note 16 — Debt and Credit Agreements for additional information on the...
us-gaap:DerivativeNotionalAmount
In February 2024, Exelon terminated the previously issued floating-to-fixed swaps with a total notional of $ 1.3 billion upon issuance of $ 1.7 billion of debt. See Note 16 — Debt and Credit Agreements for additional information on the debt issuance. Prior to the termination, the AOCI derivative gain was $ 33 million (...
text
33
monetaryItemType
text: <entity> 33 </entity> <entity type> monetaryItemType </entity type> <context> In February 2024, Exelon terminated the previously issued floating-to-fixed swaps with a total notional of $ 1.3 billion upon issuance of $ 1.7 billion of debt. See Note 16 — Debt and Credit Agreements for additional information on the ...
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax
In February 2024, Exelon terminated the previously issued floating-to-fixed swaps with a total notional of $ 1.3 billion upon issuance of $ 1.7 billion of debt. See Note 16 — Debt and Credit Agreements for additional information on the debt issuance. Prior to the termination, the AOCI derivative gain was $ 33 million (...
text
30
monetaryItemType
text: <entity> 30 </entity> <entity type> monetaryItemType </entity type> <context> In February 2024, Exelon terminated the previously issued floating-to-fixed swaps with a total notional of $ 1.3 billion upon issuance of $ 1.7 billion of debt. See Note 16 — Debt and Credit Agreements for additional information on the ...
us-gaap:DerivativeCashReceivedOnHedge
In February 2024, Exelon terminated the previously issued floating-to-fixed swaps with a total notional of $ 1.3 billion upon issuance of $ 1.7 billion of debt. See Note 16 — Debt and Credit Agreements for additional information on the debt issuance. Prior to the termination, the AOCI derivative gain was $ 33 million (...
text
23
monetaryItemType
text: <entity> 23 </entity> <entity type> monetaryItemType </entity type> <context> In February 2024, Exelon terminated the previously issued floating-to-fixed swaps with a total notional of $ 1.3 billion upon issuance of $ 1.7 billion of debt. See Note 16 — Debt and Credit Agreements for additional information on the ...
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax
In February 2024, Exelon terminated the previously issued floating-to-fixed swaps with a total notional of $ 1.3 billion upon issuance of $ 1.7 billion of debt. See Note 16 — Debt and Credit Agreements for additional information on the debt issuance. Prior to the termination, the AOCI derivative gain was $ 33 million (...
text
55
monetaryItemType
text: <entity> 55 </entity> <entity type> monetaryItemType </entity type> <context> In February 2024, Exelon terminated the previously issued floating-to-fixed swaps with a total notional of $ 1.3 billion upon issuance of $ 1.7 billion of debt. See Note 16 — Debt and Credit Agreements for additional information on the ...
us-gaap:DerivativeNotionalAmount
In February 2024, Exelon terminated the previously issued floating-to-fixed swaps with a total notional of $ 1.3 billion upon issuance of $ 1.7 billion of debt. See Note 16 — Debt and Credit Agreements for additional information on the debt issuance. Prior to the termination, the AOCI derivative gain was $ 33 million (...
text
110
monetaryItemType
text: <entity> 110 </entity> <entity type> monetaryItemType </entity type> <context> In February 2024, Exelon terminated the previously issued floating-to-fixed swaps with a total notional of $ 1.3 billion upon issuance of $ 1.7 billion of debt. See Note 16 — Debt and Credit Agreements for additional information on the...
us-gaap:DerivativeNotionalAmount
The AOCI derivative gain (net of tax) was $ 19 million as of December 31, 2024 and loss was $ 10 million as of December 31, 2023. See Note 21 – Changes in Accumulated Other Comprehensive Income (Loss) for additional information.
text
19
monetaryItemType
text: <entity> 19 </entity> <entity type> monetaryItemType </entity type> <context> The AOCI derivative gain (net of tax) was $ 19 million as of December 31, 2024 and loss was $ 10 million as of December 31, 2023. See Note 21 – Changes in Accumulated Other Comprehensive Income (Loss) for additional information. </conte...
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax
Exelon Corporate entered into floating-to-fixed interest rate cap swaps to manage a portion of interest rate exposure in connection with existing borrowings. As of December 31, 2023, Exelon held $ 1,000 million notional of floating-to-fixed interest rate cap swaps, which matured in March 2024. Exelon received payments ...
text
1000
monetaryItemType
text: <entity> 1000 </entity> <entity type> monetaryItemType </entity type> <context> Exelon Corporate entered into floating-to-fixed interest rate cap swaps to manage a portion of interest rate exposure in connection with existing borrowings. As of December 31, 2023, Exelon held $ 1,000 million notional of floating-to...
us-gaap:DerivativeNotionalAmount
Additionally, to manage potential fluctuations in Electric operating revenues related to ComEd's distribution formula rate, Exelon Corporate entered into a total of $ 4,875 million notional of 30-year constant maturity treasury interest rate (Corporate 30-year treasury) swaps from 2022 through 2023. The Corporate 30-ye...
text
4875
monetaryItemType
text: <entity> 4875 </entity> <entity type> monetaryItemType </entity type> <context> Additionally, to manage potential fluctuations in Electric operating revenues related to ComEd's distribution formula rate, Exelon Corporate entered into a total of $ 4,875 million notional of 30-year constant maturity treasury intere...
us-gaap:DerivativeNotionalAmount
Additionally, to manage potential fluctuations in Electric operating revenues related to ComEd's distribution formula rate, Exelon Corporate entered into a total of $ 4,875 million notional of 30-year constant maturity treasury interest rate (Corporate 30-year treasury) swaps from 2022 through 2023. The Corporate 30-ye...
text
22
monetaryItemType
text: <entity> 22 </entity> <entity type> monetaryItemType </entity type> <context> Additionally, to manage potential fluctuations in Electric operating revenues related to ComEd's distribution formula rate, Exelon Corporate entered into a total of $ 4,875 million notional of 30-year constant maturity treasury interest...
us-gaap:DerivativeLiabilities
Includes revolving credit agreements at Exelon Corporate with a maximum program size of $ 900 million as of December 31, 2024 and December 31, 2023. Exelon Corporate had $ 426 million in outstanding commercial paper as of December 31, 2024 and $ 527 million outstanding commercial paper as of December 31, 2023.
text
426
monetaryItemType
text: <entity> 426 </entity> <entity type> monetaryItemType </entity type> <context> Includes revolving credit agreements at Exelon Corporate with a maximum program size of $ 900 million as of December 31, 2024 and December 31, 2023. Exelon Corporate had $ 426 million in outstanding commercial paper as of December 31, ...
us-gaap:CommercialPaper
Includes revolving credit agreements at Exelon Corporate with a maximum program size of $ 900 million as of December 31, 2024 and December 31, 2023. Exelon Corporate had $ 426 million in outstanding commercial paper as of December 31, 2024 and $ 527 million outstanding commercial paper as of December 31, 2023.
text
527
monetaryItemType
text: <entity> 527 </entity> <entity type> monetaryItemType </entity type> <context> Includes revolving credit agreements at Exelon Corporate with a maximum program size of $ 900 million as of December 31, 2024 and December 31, 2023. Exelon Corporate had $ 426 million in outstanding commercial paper as of December 31, ...
us-gaap:CommercialPaper
Includes $ 900 million aggregate bank commitment related to Exelon Corporate. Exelon Corporate had $ 3 million outstanding letters of credit as of December 31, 2024. Exelon Corporate had $ 471 million in available capacity to support additional commercial paper as of December 31, 2024.
text
900
monetaryItemType
text: <entity> 900 </entity> <entity type> monetaryItemType </entity type> <context> Includes $ 900 million aggregate bank commitment related to Exelon Corporate. Exelon Corporate had $ 3 million outstanding letters of credit as of December 31, 2024. Exelon Corporate had $ 471 million in available capacity to support a...
us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity
Includes $ 900 million aggregate bank commitment related to Exelon Corporate. Exelon Corporate had $ 3 million outstanding letters of credit as of December 31, 2024. Exelon Corporate had $ 471 million in available capacity to support additional commercial paper as of December 31, 2024.
text
3
monetaryItemType
text: <entity> 3 </entity> <entity type> monetaryItemType </entity type> <context> Includes $ 900 million aggregate bank commitment related to Exelon Corporate. Exelon Corporate had $ 3 million outstanding letters of credit as of December 31, 2024. Exelon Corporate had $ 471 million in available capacity to support add...
us-gaap:LettersOfCreditOutstandingAmount
Includes $ 900 million aggregate bank commitment related to Exelon Corporate. Exelon Corporate had $ 3 million outstanding letters of credit as of December 31, 2024. Exelon Corporate had $ 471 million in available capacity to support additional commercial paper as of December 31, 2024.
text
471
monetaryItemType
text: <entity> 471 </entity> <entity type> monetaryItemType </entity type> <context> Includes $ 900 million aggregate bank commitment related to Exelon Corporate. Exelon Corporate had $ 3 million outstanding letters of credit as of December 31, 2024. Exelon Corporate had $ 471 million in available capacity to support a...
us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity
Includes interest rate adders at Exelon Corporate of 27.5 basis points and 127.5 basis points for prime and SOFR-based borrowings, respectively.
text
27.5
percentItemType
text: <entity> 27.5 </entity> <entity type> percentItemType </entity type> <context> Includes interest rate adders at Exelon Corporate of 27.5 basis points and 127.5 basis points for prime and SOFR-based borrowings, respectively. </context>
us-gaap:DebtInstrumentBasisSpreadOnVariableRate1
Includes interest rate adders at Exelon Corporate of 27.5 basis points and 127.5 basis points for prime and SOFR-based borrowings, respectively.
text
127.5
percentItemType
text: <entity> 127.5 </entity> <entity type> percentItemType </entity type> <context> Includes interest rate adders at Exelon Corporate of 27.5 basis points and 127.5 basis points for prime and SOFR-based borrowings, respectively. </context>
us-gaap:DebtInstrumentBasisSpreadOnVariableRate1
On March 23, 2017, Exelon Corporate entered into a term loan agreement for $ 500 million. The loan agreement was renewed in the first quarter of 2024 and was bifurcated into two tranches of $ 350 million and $ 150 million on March 14, 2024. The agreements will expire on March 14, 2025. Pursuant to the loan agreements, ...
text
500
monetaryItemType
text: <entity> 500 </entity> <entity type> monetaryItemType </entity type> <context> On March 23, 2017, Exelon Corporate entered into a term loan agreement for $ 500 million. The loan agreement was renewed in the first quarter of 2024 and was bifurcated into two tranches of $ 350 million and $ 150 million on March 14, ...
us-gaap:ShortTermBankLoansAndNotesPayable
On March 23, 2017, Exelon Corporate entered into a term loan agreement for $ 500 million. The loan agreement was renewed in the first quarter of 2024 and was bifurcated into two tranches of $ 350 million and $ 150 million on March 14, 2024. The agreements will expire on March 14, 2025. Pursuant to the loan agreements, ...
text
350
monetaryItemType
text: <entity> 350 </entity> <entity type> monetaryItemType </entity type> <context> On March 23, 2017, Exelon Corporate entered into a term loan agreement for $ 500 million. The loan agreement was renewed in the first quarter of 2024 and was bifurcated into two tranches of $ 350 million and $ 150 million on March 14, ...
us-gaap:ShortTermBankLoansAndNotesPayable
On March 23, 2017, Exelon Corporate entered into a term loan agreement for $ 500 million. The loan agreement was renewed in the first quarter of 2024 and was bifurcated into two tranches of $ 350 million and $ 150 million on March 14, 2024. The agreements will expire on March 14, 2025. Pursuant to the loan agreements, ...
text
150
monetaryItemType
text: <entity> 150 </entity> <entity type> monetaryItemType </entity type> <context> On March 23, 2017, Exelon Corporate entered into a term loan agreement for $ 500 million. The loan agreement was renewed in the first quarter of 2024 and was bifurcated into two tranches of $ 350 million and $ 150 million on March 14, ...
us-gaap:ShortTermBankLoansAndNotesPayable
On May 9, 2023, ComEd entered into a 364-day term loan agreement for $ 400 million with a variable rate equal to SOFR plus 1.00 % and an expiration date of May 7, 2024. On May 1, 2024, ComEd entered into an agreement to extend the loan through the expiration date of June 28, 2024. The original proceeds from the loan we...
text
400
monetaryItemType
text: <entity> 400 </entity> <entity type> monetaryItemType </entity type> <context> On May 9, 2023, ComEd entered into a 364-day term loan agreement for $ 400 million with a variable rate equal to SOFR plus 1.00 % and an expiration date of May 7, 2024. On May 1, 2024, ComEd entered into an agreement to extend the loan...
us-gaap:ShortTermBankLoansAndNotesPayable
On May 9, 2023, ComEd entered into a 364-day term loan agreement for $ 400 million with a variable rate equal to SOFR plus 1.00 % and an expiration date of May 7, 2024. On May 1, 2024, ComEd entered into an agreement to extend the loan through the expiration date of June 28, 2024. The original proceeds from the loan we...
text
1.00
percentItemType
text: <entity> 1.00 </entity> <entity type> percentItemType </entity type> <context> On May 9, 2023, ComEd entered into a 364-day term loan agreement for $ 400 million with a variable rate equal to SOFR plus 1.00 % and an expiration date of May 7, 2024. On May 1, 2024, ComEd entered into an agreement to extend the loan...
us-gaap:DebtInstrumentBasisSpreadOnVariableRate1
DPL has outstanding obligations in respect of Variable Rate Demand Bonds (VRDB). VRDBs are subject to repayment on the demand of the holders and, for this reason, are accounted for as short-term debt in accordance with GAAP. However, these bonds may be converted to a fixed-rate, fixed-term option to establish a maturit...
text
46
monetaryItemType
text: <entity> 46 </entity> <entity type> monetaryItemType </entity type> <context> DPL has outstanding obligations in respect of Variable Rate Demand Bonds (VRDB). VRDBs are subject to repayment on the demand of the holders and, for this reason, are accounted for as short-term debt in accordance with GAAP. However, th...
us-gaap:LongTermDebtCurrent
DPL has outstanding obligations in respect of Variable Rate Demand Bonds (VRDB). VRDBs are subject to repayment on the demand of the holders and, for this reason, are accounted for as short-term debt in accordance with GAAP. However, these bonds may be converted to a fixed-rate, fixed-term option to establish a maturit...
text
79
monetaryItemType
text: <entity> 79 </entity> <entity type> monetaryItemType </entity type> <context> DPL has outstanding obligations in respect of Variable Rate Demand Bonds (VRDB). VRDBs are subject to repayment on the demand of the holders and, for this reason, are accounted for as short-term debt in accordance with GAAP. However, th...
us-gaap:LongTermDebtCurrent
Pursuant to the loan agreement, loans made thereunder bear interest at a variable rate equal to SOFR plus 0.85 %.
text
0.85
percentItemType
text: <entity> 0.85 </entity> <entity type> percentItemType </entity type> <context> Pursuant to the loan agreement, loans made thereunder bear interest at a variable rate equal to SOFR plus 0.85 %. </context>
us-gaap:DebtInstrumentBasisSpreadOnVariableRate1