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Variable Interest Entities (Schedule of Accounts Receivable Securitizations) (Details) - USD ($)	Sep. 30, 2024	Apr. 01, 2024	Feb. 29, 2024	Dec. 31, 2023
Variable Interest Entities [Line Items]
Long-Term Debt	$ 76,524,000,000			$ 72,452,000,000
Duke Energy Carolinas
Variable Interest Entities [Line Items]
Long-Term Debt	16,212,000,000			15,693,000,000
Duke Energy Progress
Variable Interest Entities [Line Items]
Long-Term Debt	11,190,000,000			11,492,000,000
Duke Energy Florida
Variable Interest Entities [Line Items]
Long-Term Debt	9,812,000,000			9,812,000,000
CRC | VIE primary beneficiary
Variable Interest Entities [Line Items]
Long-Term Debt	0			312,000,000
Accounts receivable from securitization	0		$ 682,000,000	663,000,000
DERF | Duke Energy Carolinas | VIE primary beneficiary
Variable Interest Entities [Line Items]
Facility size	500,000,000
Long-Term Debt	500,000,000			500,000,000
Accounts receivable from securitization	1,149,000,000			991,000,000
DEPR | Duke Energy Progress | VIE primary beneficiary
Variable Interest Entities [Line Items]
Facility size	400,000,000
Long-Term Debt	400,000,000			400,000,000
Accounts receivable from securitization	822,000,000			833,000,000
DEFR | Duke Energy Florida | VIE primary beneficiary
Variable Interest Entities [Line Items]
Long-Term Debt	0			325,000,000
Accounts receivable from securitization	$ 0	$ 459,000,000		$ 532,000,000

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The amount owed to the reporting entity by counterparties in securitized loan transactions.

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Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt classified as noncurrent. Excludes lease obligation.

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