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v3.23.2

Related Party Transactions (Other Revenue and Expense) (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022
Related Party Transaction [Line Items] |  |  |  |
Related party transaction, expenses from transactions with related party | $ 5,179 | $ 5,124 | $ 10,788 | $ 10,824
Duke Energy Carolinas |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Related party transaction, expenses from transactions with related party | 1,439 | 1,342 | 2,965 | 2,777
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 | 192 | 191 | 388 | 397
Duke Energy Carolinas | Indemnification coverages | Related Party |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Related party transaction, expenses from transactions with related party | 8 | 7 | 17 | 14
Duke Energy Carolinas | JDA | Duke Energy Progress |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Related party transaction, expenses from transactions with related party | 34 | 173 | 63 | 267
Related party transaction, other revenues from transactions with related party | 8 | 12 | 21 | 38
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 | 4 | 5 | 9 | 9
Progress Energy |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Related party transaction, expenses from transactions with related party | 2,575 | 2,525 | 5,011 | 4,922
Progress Energy | Corporate governance and shared service expenses | Related Party |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Related party transaction, expenses from transactions with related party | 172 | 184 | 350 | 380
Progress Energy | Indemnification coverages | Related Party |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Related party transaction, expenses from transactions with related party | 12 | 11 | 24 | 22
Progress Energy | JDA | Duke Energy Carolinas |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Related party transaction, expenses from transactions with related party | 8 | 12 | 21 | 38
Related party transaction, other revenues from transactions with related party | 34 | 173 | 63 | 267
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 | 19 | 37 | 38
Duke Energy Progress |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Related party transaction, expenses from transactions with related party | 1,191 | 1,269 | 2,453 | 2,589
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 | 104 | 108 | 211 | 227
Duke Energy Progress | Indemnification coverages | Related Party |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Related party transaction, expenses from transactions with related party | 5 | 5 | 10 | 10
Duke Energy Progress | JDA | Duke Energy Carolinas |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Related party transaction, expenses from transactions with related party | 8 | 12 | 21 | 38
Related party transaction, other revenues from transactions with related party | 34 | 173 | 63 | 267
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 | 19 | 37 | 38
Duke Energy Florida |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Related party transaction, expenses from transactions with related party | 1,380 | 1,252 | 2,550 | 2,325
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 | 68 | 76 | 139 | 153
Duke Energy Florida | Indemnification coverages | Related Party |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Related party transaction, expenses from transactions with related party | 7 | 6 | 14 | 12
Duke Energy Ohio |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Related party transaction, expenses from transactions with related party | 475 | 457 | 1,036 | 1,050
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 | 76 | 82 | 149 | 164
Duke Energy Ohio | Indemnification coverages | Related Party |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Related party transaction, expenses from transactions with related party | 2 | 1 | 3 | 2
Duke Energy Indiana |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Related party transaction, expenses from transactions with related party | 604 | 718 | 1,413 | 1,621
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 | 84 | 91 | 183 | 215
Duke Energy Indiana | Indemnification coverages | Related Party |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Related party transaction, expenses from transactions with related party | 2 | 2 | 4 | 4
Piedmont |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Related party transaction, expenses from transactions with related party | 209 | 302 | 578 | 841
Piedmont | Corporate governance and shared service expenses | Related Party |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Related party transaction, expenses from transactions with related party | 37 | 37 | 75 | 72
Piedmont | Indemnification coverages | Related Party |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Related party transaction, expenses from transactions with related party | 1 | 2 | 2 | 3
Piedmont | Intercompany natural gas purchases and sales | Related Party |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Related party transaction, other revenues from transactions with related party | 22 | 24 | 46 | 47
Piedmont | Natural gas storage and transportation costs | Related Party |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Related party transaction, expenses from transactions with related party | $ 6 | $ 5 | $ 12 | $ 11

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