XML 237 R182.htm IDEA: XBRL DOCUMENT
v3.24.0.1

Severance (Expenses) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Restructuring Cost and Reserve [Line Items] |  |  |
Severance expense | $ 102 | $ 65 | $ 69
Amortization of deferred severance charges | 22 | 33 | 33
Severance charges adjustments |  | (19) | (3)
Operation, maintenance and other |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Severance expense | 97 |  |
Employee Severance Charges, 2021 |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Severance charges adjustments | (6) |  |
Employee Severance Charges, 2022 |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Severance charges adjustments | (14) |  |
Duke Energy Carolinas |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Severance expense | 53 | 40 | 33
Amortization of deferred severance charges | 14 | 22 | 22
Severance charges adjustments |  | (6) | (2)
Duke Energy Carolinas | Employee Severance Charges, 2021 |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Severance charges adjustments | (2) |  |
Duke Energy Carolinas | Employee Severance Charges, 2022 |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Severance charges adjustments | (7) |  |
Progress Energy |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Severance expense | 33 | 20 | 26
Amortization of deferred severance charges | 8 | 11 | 11
Severance charges adjustments |  | (8) |
Progress Energy | Employee Severance Charges, 2021 |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Severance charges adjustments | (3) |  |
Progress Energy | Employee Severance Charges, 2022 |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Severance charges adjustments | (5) |  |
Duke Energy Progress |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Severance expense | 21 | 17 | 20
Amortization of deferred severance charges | 8 | 11 | 11
Severance charges adjustments |  | (4) |
Duke Energy Progress | Employee Severance Charges, 2021 |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Amortization of deferred severance charges | (2) |  |
Duke Energy Progress | Employee Severance Charges, 2022 |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Severance charges adjustments | (3) |  |
Duke Energy Florida |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Severance expense | 12 | 3 | 6
Severance charges adjustments |  | (4) |
Duke Energy Florida | Employee Severance Charges, 2021 |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Amortization of deferred severance charges | (1) |  |
Duke Energy Florida | Employee Severance Charges, 2022 |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Severance charges adjustments | (2) |  |
Duke Energy Ohio |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Severance expense | 3 | 1 | 2
Severance charges adjustments |  | (1) |
Duke Energy Ohio | Employee Severance Charges, 2022 |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Severance charges adjustments | (1) |  |
Duke Energy Indiana |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Severance expense | 6 | 2 | 3
Severance charges adjustments |  | (2) | (1)
Duke Energy Indiana | Employee Severance Charges, 2021 |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Amortization of deferred severance charges | (1) |  |
Duke Energy Indiana | Employee Severance Charges, 2022 |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Severance charges adjustments | (1) |  |
Piedmont |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Severance expense | $ 4 | 2 | $ 2
Severance charges adjustments |  | $ (1) |

X
- Definition Amortization of Deferred Severance Charges + References No definition available. + Details
Name: | duk_AmortizationOfDeferredSeveranceCharges
Namespace Prefix: | duk_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Severance Charges Adjustments + References No definition available. + Details
Name: | duk_SeveranceChargesAdjustments
Namespace Prefix: | duk_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482017/420-10-50-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482017/420-10-50-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482017/420-10-50-1 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(b)(2)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479823/420-10-S99-2 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(b)(1)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479823/420-10-S99-2 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(d)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479823/420-10-S99-2 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482017/420-10-50-1 + Details
Name: | us-gaap_RestructuringCostAndReserveLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-28 + Details
Name: | us-gaap_SeveranceCosts1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=us-gaap_OperatingExpenseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RestructuringPlanAxis=duk_EmployeeSeveranceCharges2021Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RestructuringPlanAxis=duk_EmployeeSeveranceCharges2022Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

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

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

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

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

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