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Variable Interest Entities (Fair Value Assumptions) (Details) - Non-consolidated VIEs - CRC | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022
Duke Energy Ohio |  |
Variable Interest Entity [Line Items] |  |
Anticipated credit loss ratio (as a percent) | 0.60% | 0.50%
Discount rate (as a percent) | 6.10% | 2.70%
Receivable turnover rate (as a percent) | 13.90% | 13.50%
Duke Energy Indiana |  |
Variable Interest Entity [Line Items] |  |
Anticipated credit loss ratio (as a percent) | 0.40% | 0.30%
Discount rate (as a percent) | 6.10% | 2.70%
Receivable turnover rate (as a percent) | 12.00% | 11.30%

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- Definition Discount rate which is used to value residual cash flows generated by financial assets of a securitization, asset-backed financing arrangement, or similar transfer regardless of when the transfer occurred. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 860 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (b)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481326/860-20-50-4 + Details
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- Definition Rate at which principal will not be repaid on securitized financial assets regardless of when the transfer occurred. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 860 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (b)(3) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481326/860-20-50-4 + Details
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