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| <measure> iso4217:USD </measure> |
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| <dei:EntityRegistrantName contextRef="From2021-01-28to2021-01-28"> DUKE ENERGY CORPORATION </dei:EntityRegistrantName> |
| <dei:EntityIncorporationStateCountryCode contextRef="From2021-01-28to2021-01-28"> DE </dei:EntityIncorporationStateCountryCode> |
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| <dei:EntityAddressCityOrTown contextRef="From2021-01-28to2021-01-28"> Charlotte </dei:EntityAddressCityOrTown> |
| <dei:EntityAddressStateOrProvince contextRef="From2021-01-28to2021-01-28"> NC </dei:EntityAddressStateOrProvince> |
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| <dei:CityAreaCode contextRef="From2021-01-28to2021-01-28"> 704 </dei:CityAreaCode> |
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| <dei:SecurityExchangeName contextRef="From2021-01-282021-01-28_us-gaap_CommonStockMember"> NYSE </dei:SecurityExchangeName> |
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