Debt Instrument, Term, Extension Period

No definition available.

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- Definition

Maximum amount of unsecured variable denomination floating rate demand notes available for sale.

+ References

No definition available.

+ Details

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- Definition

Maximum amount of unsecured variable denomination floating rate demand notes that can be outstanding at any point in time.

+ References

No definition available.

+ Details

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- Definition

Principal amount of unsecured variable denomination floating rate demand notes that are outstanding at the balance sheet date.

+ References

No definition available.

+ Details

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- Definition

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

+ References

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+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

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

+ References

+ Details

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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.

+ References

No definition available.

+ Details

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Period Type:	duration

- 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

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- 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

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

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+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

Amount of long-term loans payable classified as other.

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+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Indebtedness divided by net capital.

+ References

No definition available.

+ Details

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- Definition

The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.

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Period Type:	duration

- Details

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Debt and Credit Facilities (Narrative) (Details)		1 Months Ended			12 Months Ended
Debt and Credit Facilities (Narrative) (Details)	Mar. 09, 2022 USD ($)	Jan. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Sep. 30, 2022	Dec. 31, 2022 USD ($)	Dec. 31, 2022 EUR (€)	Oct. 31, 2022 USD ($)	Mar. 31, 2022 USD ($)	Mar. 01, 2022 USD ($)	Dec. 31, 2021 USD ($)
Debt Instrument [Line Items]
Debt issuances			$ 9,186,000,000		$ 9,186,000,000					$ 8,107,000,000
Demand notes, maximum amount available for sale			4,000,000,000		4,000,000,000
Demand notes, maximum amount outstanding			2,000,000,000		2,000,000,000
Principal amount of demand notes			897,000,000		897,000,000					1,066,000,000
Current maturities of long-term debt			4,154,000,000		4,154,000,000					3,387,000,000
Other loans outstanding against cash surrender value of life insurance policies			852,000,000		852,000,000					819,000,000
Other Loans
Debt Instrument [Line Items]
Current maturities of long-term debt			131,000,000		131,000,000
Duke Energy Ohio
Debt Instrument [Line Items]
Current maturities of long-term debt			475,000,000		475,000,000
Duke Energy Indiana
Debt Instrument [Line Items]
Current maturities of long-term debt			303,000,000		303,000,000					84,000,000
Duke Energy Progress
Debt Instrument [Line Items]
Debt issuances			1,352,000,000		1,352,000,000					1,870,000,000
Current maturities of long-term debt			369,000,000		369,000,000					556,000,000
Other loans outstanding against cash surrender value of life insurance policies			33,000,000		33,000,000					34,000,000
Progress Energy
Debt Instrument [Line Items]
Current maturities of long-term debt			697,000,000		697,000,000					1,082,000,000
Duke Energy Carolinas
Debt Instrument [Line Items]
Debt issuances			1,150,000,000		1,150,000,000					1,237,000,000
Current maturities of long-term debt			1,018,000,000		1,018,000,000					362,000,000
Duke Energy Florida
Debt Instrument [Line Items]
Debt issuances			500,000,000		500,000,000					1,150,000,000
Current maturities of long-term debt			328,000,000		328,000,000					76,000,000
Piedmont
Debt Instrument [Line Items]
Debt issuances			400,000,000		400,000,000					350,000,000
Current maturities of long-term debt			$ 45,000,000		$ 45,000,000					$ 0
Maximum
Debt Instrument [Line Items]
Debt to total capitalization percentage, for each borrower			0.65		0.65	0.65
Maximum \| Duke Energy Ohio
Debt Instrument [Line Items]
Debt to total capitalization percentage, for each borrower			0.65		0.65	0.65
Maximum \| Duke Energy Indiana
Debt Instrument [Line Items]
Debt to total capitalization percentage, for each borrower			0.65		0.65	0.65
Maximum \| Duke Energy Progress
Debt Instrument [Line Items]
Debt to total capitalization percentage, for each borrower			0.65		0.65	0.65
Maximum \| Progress Energy
Debt Instrument [Line Items]
Debt to total capitalization percentage, for each borrower			0.65		0.65	0.65
Maximum \| Duke Energy Carolinas
Debt Instrument [Line Items]
Debt to total capitalization percentage, for each borrower			0.65		0.65	0.65
Maximum \| Duke Energy Florida
Debt Instrument [Line Items]
Debt to total capitalization percentage, for each borrower			0.65		0.65	0.65
Maximum \| Piedmont
Debt Instrument [Line Items]
Debt to total capitalization percentage, for each borrower			0.70		0.70	0.70
First Mortgage Bonds \| Duke Energy Carolinas \| Subsequent Event \| January 2023 Notes
Debt Instrument [Line Items]
Debt issuances		$ 1,800,000,000
Proceeds from issuance of debt		1,000,000,000
First Mortgage Bonds \| Duke Energy Carolinas \| Subsequent Event \| January 2023 Notes At 4.95%
Debt Instrument [Line Items]
Debt issuances		$ 900,000,000
Term (in years)		10 years
Interest Rate		4.95%
First Mortgage Bonds \| Duke Energy Carolinas \| Subsequent Event \| January 2023 Notes At 5.35%
Debt Instrument [Line Items]
Debt issuances		$ 900,000,000
Term (in years)		30 years
Interest Rate		5.35%
Unsecured Debt \| June 2022 Notes Due 2034
Debt Instrument [Line Items]
Debt issuances \| €						€ 500,000,000
Interest Rate			3.85%		3.85%	3.85%
Revolving Credit Facility
Debt Instrument [Line Items]
Facility size			$ 9,000,000,000		$ 9,000,000,000			$ 9,000,000,000	$ 8,000,000,000
Revolving Credit Facility \| Duke Energy Ohio
Debt Instrument [Line Items]
Facility size			900,000,000		900,000,000
Revolving Credit Facility \| Duke Energy Indiana
Debt Instrument [Line Items]
Facility size			1,050,000,000		1,050,000,000
Revolving Credit Facility \| Duke Energy Progress
Debt Instrument [Line Items]
Facility size			800,000,000		800,000,000
Revolving Credit Facility \| Duke Energy Carolinas
Debt Instrument [Line Items]
Facility size			1,925,000,000		1,925,000,000
Revolving Credit Facility \| Duke Energy Florida
Debt Instrument [Line Items]
Facility size			1,150,000,000		1,150,000,000
Revolving Credit Facility \| Piedmont
Debt Instrument [Line Items]
Facility size			800,000,000		$ 800,000,000
Revolving Credit Facility \| Line of Credit \| Progress Energy
Debt Instrument [Line Items]
Facility size								$ 2,500,000,000
Revolving Credit Facility \| Line of Credit \| Duke Energy Florida
Debt Instrument [Line Items]
Facility size							$ 800,000,000
Revolving Credit Facility \| Line of Credit \| Duke Energy (Parent)
Debt Instrument [Line Items]
Facility size	$ 1,400,000,000
Extension period (in years)	2 years
Repayments of debt			$ 400,000,000
June 2017 Three Year Revolving Credit Facility
Debt Instrument [Line Items]
Term (in years)				3 years	3 years