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

No definition available.

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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.

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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.

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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

No definition available.

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- 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.

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- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

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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

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- Definition

Amount of long-term loans payable classified as other.

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- 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.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
-Section 45
-Paragraph 15
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Debt and Credit Facilities (Narrative) (Details)	1 Months Ended	3 Months Ended	12 Months Ended
Debt and Credit Facilities (Narrative) (Details)	Oct. 31, 2021 USD ($)	Jun. 30, 2020 USD ($)	Dec. 31, 2021 USD ($)	Mar. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Mar. 31, 2020 USD ($)
Debt Instrument [Line Items]
Demand notes, maximum amount available for sale			$ 3,000,000,000
Demand notes, maximum amount outstanding			1,500,000,000
Principal amount of demand notes			1,066,000,000		$ 1,168,000,000
Other loans outstanding against cash surrender value of life insurance policies			819,000,000		817,000,000
Duke Energy Progress
Debt Instrument [Line Items]
Other loans outstanding against cash surrender value of life insurance policies			$ 34,000,000		$ 35,000,000
Maximum
Debt Instrument [Line Items]
Debt to total capitalization percentage, for each borrower			0.65
Maximum \| Duke Energy Ohio
Debt Instrument [Line Items]
Debt to total capitalization percentage, for each borrower			0.65
Maximum \| Duke Energy Indiana
Debt Instrument [Line Items]
Debt to total capitalization percentage, for each borrower			0.65
Maximum \| Duke Energy Progress
Debt Instrument [Line Items]
Debt to total capitalization percentage, for each borrower			0.65
Maximum \| Progress Energy
Debt Instrument [Line Items]
Debt to total capitalization percentage, for each borrower			0.65
Maximum \| Duke Energy Carolinas
Debt Instrument [Line Items]
Debt to total capitalization percentage, for each borrower			0.65
Maximum \| Duke Energy Florida
Debt Instrument [Line Items]
Debt to total capitalization percentage, for each borrower			0.65
Maximum \| Piedmont
Debt Instrument [Line Items]
Debt to total capitalization percentage, for each borrower			0.70
Revolving Credit Facility
Debt Instrument [Line Items]
Facility size			$ 8,000,000,000	$ 8,000,000,000
Revolving Credit Facility \| Duke Energy Ohio
Debt Instrument [Line Items]
Facility size			775,000,000
Revolving Credit Facility \| Duke Energy Indiana
Debt Instrument [Line Items]
Facility size			600,000,000
Revolving Credit Facility \| Duke Energy Progress
Debt Instrument [Line Items]
Facility size			1,150,000,000
Revolving Credit Facility \| Duke Energy Carolinas
Debt Instrument [Line Items]
Facility size			1,225,000,000
Revolving Credit Facility \| Duke Energy Florida
Debt Instrument [Line Items]
Facility size			900,000,000
Revolving Credit Facility \| Piedmont
Debt Instrument [Line Items]
Facility size			700,000,000
Revolving Credit Facility \| Line of Credit \| Duke Energy Ohio
Debt Instrument [Line Items]
Facility size	$ 100,000,000
Term of debt instrument	2 years
Revolving Credit Facility \| Line of Credit \| Duke Energy Indiana
Debt Instrument [Line Items]
Facility size	$ 300,000,000
Term of debt instrument	2 years
Revolving Credit Facility \| Line of Credit \| Duke Energy Kentucky
Debt Instrument [Line Items]
Facility size	$ 50,000,000
Term of debt instrument	2 years
Revolving Credit Facility \| Line of Credit \| Progress Energy
Debt Instrument [Line Items]
Facility size			2,500,000,000
June 2017 Three Year Revolving Credit Facility
Debt Instrument [Line Items]
Facility size			$ 1,000,000,000
Term of debt instrument			3 years
Long-term line of credit			$ 500,000,000			$ 500,000,000
Repayments of debt		$ 500,000,000