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Asset Retirement Obligations (Narrative) (Details) | 12 Months Ended
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Dec. 31, 2024
Nuclear Regulatory Commission |
Asset Retirement Obligation [Line Items] |
Operating license extension (in years) | 20 years

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- 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
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Namespace Prefix: | duk_
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Balance Type: | na
Period Type: | duration

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- Definition Public Utilities, Operating License Extension, Period + References No definition available. + Details
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Namespace Prefix: | duk_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |