Debt Instrument, Term, Extension Period

No definition available.

Name:	duk_DebtInstrumentTermExtensionPeriod
Namespace Prefix:	duk_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

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Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- 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.

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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Face (par) amount of the original debt instrument that was repurchased.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentRepurchasedFaceAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentTerm
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

+ References

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of cash outflow for short-term and long-term debt. Excludes payment of lease obligation.

+ References

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Period Type:	duration

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Balance Type:
Period Type:

- Details

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- Details

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Period Type:

- Details

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Period Type:

- Details

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- Details

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Period Type:

- Details

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Namespace Prefix:
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Balance Type:
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- Details

Name:	us-gaap_LongtermDebtTypeAxis=duk_StormRecoveryBondsMember
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- Details

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Debt and Credit Facilities (Narrative) (Details) € in Millions			3 Months Ended
	Apr. 24, 2024 USD ($)	Mar. 26, 2024 USD ($)	Jun. 30, 2024 USD ($)	Apr. 30, 2024 USD ($)	Apr. 30, 2024 EUR (€)	Apr. 25, 2024 USD ($)	Mar. 31, 2024 USD ($)
Debt Instrument [Line Items]
Sale of debt			$ 6,365,000,000
Master Credit Facility
Debt Instrument [Line Items]
Facility size			9,000,000,000				$ 9,000,000,000
Duke Energy (Parent)
Debt Instrument [Line Items]
Sale of debt			3,565,000,000
Duke Energy Florida
Debt Instrument [Line Items]
Sale of debt			173,000,000
Duke Energy Florida \| Master Credit Facility
Debt Instrument [Line Items]
Facility size			875,000,000
Duke Energy Progress
Debt Instrument [Line Items]
Sale of debt			677,000,000
Duke Energy Progress \| Master Credit Facility
Debt Instrument [Line Items]
Facility size			1,500,000,000
Term Loan Facility \| Duke Energy (Parent) \| Duke Energy Term Loan Facility
Debt Instrument [Line Items]
Repayments of debt			$ 500,000,000
Facility size		$ 700,000,000
Extension period (in years)		30 days
Facility term (in years)		364 days
Borrowing amount	$ 500,000,000
Unsecured Debt \| Senior Notes 3.75% Due 2031
Debt Instrument [Line Items]
Sale of debt \| €					€ 750
Interest rate (as a percent)				3.75%	3.75%
Secured Debt \| Variable Rate Term Loan Due March 2024
Debt Instrument [Line Items]
Repayment of debt				$ 1,000,000,000
Storm Recovery Bonds \| Duke Energy Progress
Debt Instrument [Line Items]
Sale of debt						$ 177,000,000
Storm Recovery Bonds \| Duke Energy Progress \| 5.404% Storm Recovery Bonds
Debt Instrument [Line Items]
Sale of debt				$ 177,000,000