Variable Interest Entities (Sales and Cash Flows) (Details) - VIE not primary beneficiary - Cinergy Receivables $ in Millions	6 Months Ended
Jun. 30, 2024 USD ($)
Duke Energy Ohio
Sales
Receivables sold	$ 474
Loss recognized on sale	7
Cash flows
Cash proceeds from receivables sold	478
Return received on retained interests	4
Duke Energy Indiana
Sales
Receivables sold	473
Loss recognized on sale	6
Cash flows
Cash proceeds from receivables sold	523
Return received on retained interests	$ 4

The amount of any sales of receivables during the reporting period.

No definition available.

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- References

No definition available.

+ Details

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- Definition

Cash Flows between a transferor and a transferee attributable to newly transferred assets related to either a securitization, asset-backed financing arrangement, or similar transfer in which the transferor has continuing involvement with the transferred financial assets underlying the transaction (including, but not limited to, servicing, recourse, and restrictions on transferor's interests in the transferred financial assets).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 860
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (d)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481326/860-20-50-3

+ Details

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- References

No definition available.

+ Details

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- Definition

Amount of gain (loss) on sale of accounts receivable.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 860
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481326/860-20-50-5

+ Details

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Period Type:	duration

- Definition

Amount of cash inflow from collection on beneficial interest in securitization of receivables.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-12

+ Details

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Balance Type:	debit
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- Details

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- Details

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- Details

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- Details

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