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

X

- Definition

The ratio of total receivables to total monthly billings, as related to total receivables.

+ References

No definition available.

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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
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- Definition

Rate at which principal will not be repaid on securitized financial assets regardless of when the transfer occurred.

+ References

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-SubTopic 20
-Name Accounting Standards Codification
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-URI https://asc.fasb.org/1943274/2147481326/860-20-50-4

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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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 810
-SubTopic 10
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