XML 148 R106.htm IDEA: XBRL DOCUMENT
v3.24.2.u1

Related Party Transactions (Other Revenue and Expense) (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023
Related Party Transaction [Line Items] |  |  |  |
Related party transaction, expenses from transactions with related party | $ 5,471 | $ 5,179 | $ 11,191 | $ 10,788
Duke Energy Carolinas |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Related party transaction, expenses from transactions with related party | 1,752 | 1,439 | 3,555 | 2,965
Duke Energy Carolinas | Corporate governance and shared service expenses | Related Party |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Related party transaction, expenses from transactions with related party | 189 | 192 | 403 | 388
Duke Energy Carolinas | Indemnification coverages | Related Party |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Related party transaction, expenses from transactions with related party | 11 | 8 | 22 | 17
Duke Energy Carolinas | JDA | Duke Energy Progress |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Related party transaction, expenses from transactions with related party | 53 | 34 | 93 | 63
Related party transaction, other revenues from transactions with related party | 6 | 8 | 22 | 21
Duke Energy Carolinas | Intercompany natural gas purchases and sales | Related Party |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Related party transaction, expenses from transactions with related party | 5 | 4 | 9 | 9
Progress Energy |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Related party transaction, expenses from transactions with related party | 2,533 | 2,575 | 5,049 | 5,011
Progress Energy | Corporate governance and shared service expenses | Related Party |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Related party transaction, expenses from transactions with related party | 171 | 172 | 359 | 350
Progress Energy | Indemnification coverages | Related Party |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Related party transaction, expenses from transactions with related party | 15 | 12 | 29 | 24
Progress Energy | JDA | Duke Energy Carolinas |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Related party transaction, expenses from transactions with related party | 6 | 8 | 22 | 21
Related party transaction, other revenues from transactions with related party | 53 | 34 | 93 | 63
Progress Energy | Intercompany natural gas purchases and sales | Related Party |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Related party transaction, expenses from transactions with related party | 18 | 18 | 37 | 37
Duke Energy Progress |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Related party transaction, expenses from transactions with related party | 1,288 | 1,191 | 2,673 | 2,453
Duke Energy Progress | Corporate governance and shared service expenses | Related Party |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Related party transaction, expenses from transactions with related party | 100 | 104 | 214 | 211
Duke Energy Progress | Indemnification coverages | Related Party |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Related party transaction, expenses from transactions with related party | 6 | 5 | 12 | 10
Duke Energy Progress | JDA | Duke Energy Carolinas |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Related party transaction, expenses from transactions with related party | 6 | 8 | 22 | 21
Related party transaction, other revenues from transactions with related party | 53 | 34 | 93 | 63
Duke Energy Progress | Intercompany natural gas purchases and sales | Related Party |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Related party transaction, expenses from transactions with related party | 18 | 18 | 37 | 37
Duke Energy Florida |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Related party transaction, expenses from transactions with related party | 1,240 | 1,380 | 2,368 | 2,550
Duke Energy Florida | Corporate governance and shared service expenses | Related Party |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Related party transaction, expenses from transactions with related party | 71 | 68 | 145 | 139
Duke Energy Florida | Indemnification coverages | Related Party |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Related party transaction, expenses from transactions with related party | 9 | 7 | 17 | 14
Duke Energy Ohio |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Related party transaction, expenses from transactions with related party | 472 | 475 | 998 | 1,036
Duke Energy Ohio | Corporate governance and shared service expenses | Related Party |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Related party transaction, expenses from transactions with related party | 77 | 76 | 154 | 149
Duke Energy Ohio | Indemnification coverages | Related Party |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Related party transaction, expenses from transactions with related party | 1 | 2 | 3 | 3
Duke Energy Indiana |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Related party transaction, expenses from transactions with related party | 572 | 604 | 1,206 | 1,413
Duke Energy Indiana | Corporate governance and shared service expenses | Related Party |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Related party transaction, expenses from transactions with related party | 83 | 84 | 185 | 183
Duke Energy Indiana | Indemnification coverages | Related Party |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Related party transaction, expenses from transactions with related party | 3 | 2 | 5 | 4
Piedmont |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Related party transaction, expenses from transactions with related party | 223 | 209 | 565 | 578
Piedmont | Corporate governance and shared service expenses | Related Party |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Related party transaction, expenses from transactions with related party | 40 | 37 | 81 | 75
Piedmont | Indemnification coverages | Related Party |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Related party transaction, expenses from transactions with related party | 1 | 1 | 2 | 2
Piedmont | Intercompany natural gas purchases and sales | Related Party |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Related party transaction, other revenues from transactions with related party | 23 | 22 | 46 | 46
Piedmont | Natural gas storage and transportation costs | Related Party |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Related party transaction, expenses from transactions with related party | $ 6 | $ 6 | $ 12 | $ 12

X
- Definition Total costs of sales and operating expenses for the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2 + Details
Name: | us-gaap_CostsAndExpenses
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of revenue and income classified as other. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 320 -Name Accounting Standards Codification -Section S99 -Paragraph 6 -Subparagraph (SX 210.12-14(Column E)(2)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477271/946-320-S99-6 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 320 -Name Accounting Standards Codification -Section S99 -Paragraph 6 -Subparagraph (SX 210.12-14(Column E)(Footnote 4)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477271/946-320-S99-6 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 320 -Name Accounting Standards Codification -Section S99 -Paragraph 6 -Subparagraph (SX 210.12-14(Column E)(Footnote 6)(b)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477271/946-320-S99-6 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(4)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477250/944-220-S99-1 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.6-07(1)(c)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479134/946-220-S99-1 + Details
Name: | us-gaap_OtherIncome
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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 310 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 13 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481990/310-10-45-13 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.6-07(2)(c)(2)(i)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479134/946-220-S99-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.6-07(2)(c)(2)(ii)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479134/946-220-S99-1 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.6-07(2)(g)(3)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479134/946-220-S99-1 + Details
Name: | us-gaap_RelatedPartyTransactionLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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

X
- Details
Name: | us-gaap_RelatedPartyTransactionAxis=duk_CorporateGovernanceAndSharedServiceExpensesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=us-gaap_RelatedPartyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionAxis=duk_IndemnificationCoveragesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionAxis=duk_JointDispatchAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | us-gaap_RelatedPartyTransactionAxis=duk_IntercompanyNaturalGasTransactionsMember
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: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=duk_DukeEnergyCarolinasMember
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: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionAxis=duk_NaturalGasStorageAndTransportationCostsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |