XML 206 R150.htm IDEA: XBRL DOCUMENT
v3.22.4

Severance (Expenses) (Details) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 USD ($) employee | Dec. 31, 2021 USD ($) employee | Dec. 31, 2020 USD ($) employee
Restructuring Cost and Reserve [Line Items] |  |  |
Number of eligible employees | employee | 233 | 290 | 30
Severance expense | $ 65 | $ 69 | $ (85)
Amortization of deferred severance charges | 33 | 33 |
Severance charges adjustments | (19) | (3) | (6)
Unamortized deferred severance |  |  | (86)
Duke Energy Carolinas |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Severance expense | 40 | 33 | (58)
Amortization of deferred severance charges | 22 | 22 |
Severance charges adjustments | (6) | (2) | (2)
Unamortized deferred severance |  |  | (57)
Progress Energy |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Severance expense | 20 | 26 | (28)
Amortization of deferred severance charges | 11 | 11 |
Severance charges adjustments | (8) |  | (3)
Unamortized deferred severance |  |  | (29)
Duke Energy Progress |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Severance expense | 17 | 20 | (31)
Amortization of deferred severance charges | 11 | 11 |
Severance charges adjustments | (4) |  | (2)
Unamortized deferred severance |  |  | (29)
Duke Energy Florida |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Severance expense | 3 | 6 | 3
Severance charges adjustments | (4) |  |
Duke Energy Ohio |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Severance expense | 1 | 2 |
Severance charges adjustments | (1) |  |
Duke Energy Indiana |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Severance expense | 2 | 3 | 0
Severance charges adjustments | (2) | (1) |
Piedmont |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Severance expense | 2 | $ 2 | $ 0
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 Number of eligible employees + References No definition available. + Details
Name: | duk_NumberOfEligibleEmployees
Namespace Prefix: | duk_
Data Type: | xbrli:positiveIntegerItemType
Balance Type: | na
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 Unamortized Deferred Severance + References No definition available. + Details
Name: | duk_UnamortizedDeferredSeverance
Namespace Prefix: | duk_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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 No definition available. + 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 -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585 + Details
Name: | us-gaap_SeveranceCosts1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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: |