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Condensed Consolidated Statements of Cash Flows - Duke Energy Carolinas (Parenthetical) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Net proceeds related to the sale of certain tax credits | $ 558 | $ 28 | $ 0
Duke Energy Carolinas |  |  |
Net proceeds related to the sale of certain tax credits | $ 440 | $ 0 | $ 0

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- Definition Proceeds from Tax Credit Sales + References No definition available. + Details
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Namespace Prefix: | duk_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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