Repayment period EBP, Note Receivable from Participant, Account, Repayment Period EBP, Note Receivable from Participant, Account, Repayment Period Statistical Measurement [Domain] Statistical Measurement [Domain] Exempt Party-in-Interest Transactions (PII) EBP, Related Party and Party-in-Interest Transactions [Text Block] Interest income on notes receivable from participants EBP, Change in Net Asset Available for Benefit, Increase from Interest Income on Note Receivable from Participant Document Information [Line Items] Document Information [Line Items] EBP, Employer, Common Stock Fund [Member] EBP, Employer, Common Stock Fund [Member] Maximum borrowing limit EBP, Note Receivable from Participant, Account, Maximum Borrowing, Amount Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Plan Management's Review of Subsequent Events EBP, Subsequent Event [Policy Text Block] EBP, Description of Plan and Accounting Change [Abstract] Small benefit distribution threshhold EBP, Participant Termination, Distributions, Automatic Distribution Threshhold, Amount EBP, Participant Termination, Distributions, Automatic Distribution Threshhold, Amount Investment Type [Axis] Investment Type [Axis] Participants’ rollover Rollovers contributed to the Plan EBP, Change in Net Asset Available for Benefit, Increase from Participant Contribution, Rollover Percentage of vested account balance (percent) EBP, Note Receivable from Participant, Account, Maximum Borrowing, to Total Account, Percentage Federal Income Tax Status EBP, Tax Status [Text Block] EBP, Description of Plan [Line Items] EBP, Description of Plan [Line Items] Interest and dividends EBP, Change in Net Asset Available for Benefit, Increase from Interest and Dividend Income on Investment Plan Changes EBP, Description of Plan Amendment [Text Block] Benefit-Responsive Investments EBP, Fully Benefit-Responsive Investment Contract [Text Block] EBP, Schedule of Asset Held for Investment [Table] EBP, Schedule of Asset Held for Investment [Table] Participant Loans EBP, Asset Held for Investment, Participant Loan, after Deemed Distribution Fair Value Measurements EBP, Investment, Fair Value and NAV [Text Block] EBP, Investment, Fair Value and NAV [Table] EBP, Investment, Fair Value and NAV [Table] Administrative Expenses EBP, Expense [Policy Text Block] Total contributions EBP, Change in Net Asset Available for Benefit, Increase from Contribution Minimum borrowing limit EBP, Note Receivable from Participant, Account, Minimum Borrowing, Amount EBP, Fully Benefit-Responsive Investment Contract [Table] EBP, Fully Benefit-Responsive Investment Contract [Table] EBP, Related Party and Party-in-Interest Transactions [Table] EBP, Related Party and Party-in-Interest Transactions [Table] EBP, Risk and Uncertainty [Table] EBP, Risk and Uncertainty [Table] Benefits paid to participants EBP, Change in Net Asset Available for Benefit, Decrease from Payment to Participant Employer's contributions EBP, Employer Contribution, Receivable Participants EBP, Change in Net Asset Available for Benefit, Increase from Participant Contribution, Excluding Rollover Number of funds offered for investment EBP, Number Of Funds Offered For Investment EBP, Number Of Funds Offered For Investment Payment of Benefits EBP, Payment to Participant [Policy Text Block] Net assets available for benefits Net assets available for benefits, beginning of year Net assets available for benefits, end of year EBP, Net Asset Available for Benefit Cash equivalents Cash and Cash Equivalents [Member] EBP, Schedule of Asset Held for Investment [Line Items] EBP, Schedule of Asset Held for Investment [Line Items] EBP, Accounting Policy [Line Items] EBP, Accounting Policy [Line Items] Total investments EBP, Investment, Excluding Plan Interest in Master Trust, Fair and Contract Value EBP, Fully Benefit-Responsive Investment Contract [Line Items] EBP, Fully Benefit-Responsive Investment Contract [Line Items] Total Assets EBP, Asset Duke Energy common stock EBP, Employer, Common Stock [Member] Non-elective employer contribution (percent) EBP, Employer Contributions, Discretionary Contribution, Percentage Of Eligible Compensation EBP, Employer Contributions, Discretionary Contribution, Percentage Of Eligible Compensation Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] EBP, Tax Status [Abstract] Net increase during the year EBP, Change in Net Asset Available for Benefit, Increase (Decrease) Cover [Abstract] Maximum Maximum [Member] Employer EBP, Change in Net Asset Available for Benefit, Increase from Employer Contribution, Cash EBP, Risk and Uncertainty [Line Items] EBP, Risk and Uncertainty [Line Items] Assets EBP, Asset [Abstract] Minimum Minimum [Member] Dividends earned EBP, Change in Net Asset Available for Benefit, Increase from Dividend Income on Investment EBP, Schedule of Asset Held for Investment [Abstract] Entity [Domain] Entity [Domain] Total EBP, Asset Held for Investment EBP, Common Collective Trusts, Self Directed Accounts, Guaranteed Investment Contracts, Common Stock, Mutual Funds, Currency, and Publicly-Traded Stock EBP, Common Collective Trusts, Self Directed Accounts, Guaranteed Investment Contracts, Common Stock, Mutual Funds, Currency, And Publicly-Traded Stock [Member] EBP, Common Collective Trusts, Self Directed Accounts, Guaranteed Investment Contracts, Common Stock, Mutual Funds, Currency, And Publicly-Traded Stock Investment, Identifier [Axis] Investment, Identifier [Axis] EBP, Investment, Fair Value and NAV [Abstract] Participating Company match (percent) EBP, Employer Contribution, Matching Percentage Basis of Accounting EBP, Basis of Accounting [Policy Text Block] EBP, Tax Status [Line Items] EBP, Tax Status [Line Items] Investments EBP, Investment, Fair Value [Abstract] EBP, Statement of Change in Net Asset Available for Benefit [Table] EBP, Statement of Change in Net Asset Available for Benefit [Table] Registered investment companies Mutual Fund [Member] EBP, Description of Plan [Table] EBP, Description of Plan [Table] Investment Valuation and Income Recognition EBP, Investment [Policy Text Block] Fully benefit-responsive investment contracts at contract value EBP, Investment, Excluding Plan Interest in Master Trust, Contract Value Crediting interest rate, minimum (percent) EBP, Fully Benefit-Responsive Investment Contract, Limitation on Transacting at Contract Value, Crediting Interest Rate, Floor EBP, Fully Benefit-Responsive Investment Contract, Limitation on Transacting at Contract Value, Crediting Interest Rate, Floor Amendment Flag Amendment Flag Administrative fees EBP, Change in Net Asset Available for Benefit, Decrease from Administrative Expense Collective investments trusts Common Collective Trust [Member] Publicly-traded stock Fair Value Measured at Net Asset Value Per Share [Member] Advisory service annual fee, percentage of average account balance (percent) EBP, Investments, Participant Advisory Service, Annual Fee EBP, Investments, Participant Advisory Service, Annual Fee Schedule of Plan Investments and Fair Value EBP, Investment, Fair Value and NAV [Table Text Block] Total deductions from net assets EBP, Change in Net Asset Available for Benefit, Decrease Current Market Value EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value EBP, Statement of Change in Net Asset Available for Benefit [Abstract] EBP, Related Party and Party-in-Interest Transactions [Abstract] Forfeitures EBP, Forfeited Nonvested Account EBP, Related Party and Party-in-Interest Transactions [Line Items] EBP, Related Party and Party-in-Interest Transactions [Line Items] Forfeitures applied to reduce employer contributions EBP, Forfeited Nonvested Account, Decrease from Employer Contribution EBP, Statement of Net Asset Available for Benefit [Abstract] Description of the Plan EBP, Description of Plan [Text Block] Summary of Significant Accounting Policies EBP, Summary of Accounting Policy [Text Block] Notes Receivable from Participant EBP, Note Receivable from Participant [Policy Text Block] Total additions to net assets EBP, Change in Net Asset Available for Benefit, Increase Net Assets Available for Benefits EBP, Statement of Net Asset Available for Benefit [Line Items] Entity Central Index Key Entity Central Index Key Interest Rates (percent) EBP, Asset Held for Investment, Participant Loan, Interest Rate Investments at fair value EBP, Investment, Excluding Plan Interest in Master Trust, Fair Value Legal Entity [Axis] Legal Entity [Axis] EIN Entity Tax Identification Number Total net investment income EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Income (Loss) on Investment EBP, Accounting Policy, Accounting Standard Update, and Change in Accounting Principle [Abstract] Plan Number EBP, Plan Number Minimum ownership in affiliated entities to be eligible to participate in Plan (percent) EBP, Affiliated Entity Participation, Minimum Percentage Owned EBP, Affiliated Entity Participation, Minimum Percentage Owned Contributions EBP, Change in Net Asset Available for Benefit, Increase from Contribution [Abstract] EBP 002 EBP 002 [Member] EBP 002 Document Type Document Type EBP, Statement of Net Asset Available for Benefit [Table] EBP, Statement of Net Asset Available for Benefit [Table] EBP, Investment, Fair Value and NAV [Line Items] EBP, Investment, Fair Value and NAV [Line Items] Portion of plan accounts that can be invested in the brokerage option EBP, Investment Election, Percentage Of Plan Accounts Allowable EBP, Investment Election, Percentage Of Plan Accounts Allowable Use of Estimates EBP, Use of Estimate [Policy Text Block] Synthetic GICs EBP, Synthetic Investment Contract [Member] EBP, Fully Benefit-Responsive Investment Contract [Abstract] Statistical Measurement [Axis] Statistical Measurement [Axis] Deductions from net assets: EBP, Change in Net Asset Available for Benefit, Decrease [Abstract] Notes receivable from participants EBP, Note Receivable from Participant Common collective trusts measured at NAV Equity Securities [Member] Schedule H, Line 4i – Schedule of Assets (Held At End of Year) EBP, Schedule of Asset Held for Investment [Table Text Block] Additions to net assets: EBP, Change in Net Asset Available for Benefit, Increase [Abstract] Net appreciation in fair value of investments EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Gain (Loss) on Investment EBP, Accounting Policy [Table] EBP, Accounting Policy [Table] Investments [Domain] Investments [Domain] BrokerageLink EBP, Self-Directed Brokerage Account [Member] Document Information [Table] Document Information [Table] Changes in Net Asset Available for Benefit EBP, Statement of Change in Net Asset Available for Benefit [Line Items] Interest rate spread above Prime rate (percent) EBP, Note Receivable from Participant, Account, Interest Rate Spread, Percentage EBP, Note Receivable from Participant, Account, Interest Rate Spread, Percentage EBP, Risk and Uncertainty [Abstract] Total Level 1 Fair Value, Inputs, Level 1 [Member] Entity Registrant Name Entity Registrant Name Net investment income EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Income (Loss) on Investment [Abstract] Asset investment in Duke Energy Common Stock Fund (percent) EBP, Investment, Employer, Common Stock, to Total Asset, Percentage EBP, Tax Status [Table] EBP, Tax Status [Table] Receivables EBP, Receivable [Abstract] Fair Value Fair Value, Inputs, Level 1, Level 2, and Level 3 [Member] Total receivables EBP, Receivable Percentage of employee's eligible compensation matched (percent) EBP, Employer Contribution, Participant Compensation Matched, Percentage Investment Risk EBP, Risk and Uncertainty [Text Block]