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included in a table. 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Electricity, US Regulated [Member] Amortization of settlement charges Defined Benefit Plan, Amortization of Settlement Charges Defined Benefit Plan, Amortization of Settlement Charges DEPNCSFII DEPNCSFII [Member] DEPNCSFII Regulatory Asset [Domain] Regulatory Asset [Domain] Pay Rate Derivative, Fixed Interest Rate Solar Project Solar Plant [Member] Solar Plant [Member] Fair Value Measurement Inputs and Valuation Techniques Fair Value Measurement Inputs and Valuation Techniques [Line Items] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Disposal Group Name [Axis] Disposal Group Name [Axis] Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Net Income Available to Duke Energy Corporation Common Stockholders Net Income Available to Duke Energy Corporation Common Stockholders Net Income (Loss) Available to Common Stockholders, Basic Regulatory assets Regulatory Asset, Current Entity Information [Line Items] Entity Information [Line 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Gain (Loss) Schedule of Realized Gain (Loss) [Table Text Block] Initial Forward Price (in usd per share) Forward Contract Indexed to Issuer's Equity, Forward Rate Per Share Excise tax liability Share Repurchase Program, Excise Tax, Payable Guaranteed customer savings Regulatory Agreement, Guaranteed Customer Savings Regulatory Agreement, Guaranteed Customer Savings Consolidation Items [Domain] Consolidation Items [Domain] Investments, Debt and Equity Securities [Abstract] Investments, Debt and Equity Securities [Abstract] Income From Discontinued Operations, net of tax Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest VIE not primary beneficiary Variable Interest Entity, Not Primary Beneficiary [Member] De minimis threshold (percent) Public Utilities, De Minimis Threshold, Percent Public Utilities, De Minimis Threshold, Percent Duke Energy Ohio Gas Base Rate Case Duke Energy Ohio Gas Base Rate Case [Member] Duke Energy 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2022 North Carolina Rate Case [Member] 2022 North Carolina Rate Case Notes Receivable Notes Receivable [Member] Unrealized (losses) gains on available-for-sale securities OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax Distributions to noncontrolling interest in subsidiaries Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Eliminations Intersegment Eliminations [Member] Expiration Date Trading Arrangement Expiration Date TDSIG 2.0 TDSIG 2.0 [Member] TDSIG 2.0 Other liabilities Increase (Decrease) in Other Operating Liabilities Cash transferred between affiliates Related Party Transaction, Amounts of Transaction Equity Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Requested equity capital structure, percentage (as a percent) Public Utilities, Requested Equity Capital Structure, Percentage Requested rate increase, percentage, net of tax Public Utilities, Requested Rate Increase (Decrease), Percentage, Net Of Tax Public Utilities, Requested Rate Increase (Decrease), Percentage, Net Of Tax Distributions to parent Dividends to parent Payments of Capital Distribution Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Storm Protection Plan Storm Protection Plan [Member] Storm Protection Plan Preferred stock, Series A Series A Preferred Stock [Member] Entity Current Reporting Status Entity Current Reporting Status DEI ProCo DEI ProCo [Member] DEI ProCo Derivative [Line Items] Derivative [Line Items] Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Consolidated Entities [Domain] Consolidated Entities [Domain] Duke Energy Kentucky 2024 Electric Base Rate Case Duke Energy Kentucky 2024 Electric Base Rate Case [Member] Duke Energy Kentucky 2024 Electric Base Rate Case 2026 South Carolina Rate Case 2026 South Carolina Rate Case [Member] 2026 South Carolina Rate Case Duke Energy Kentucky Electric Base Rate Case Duke Energy Kentucky Electric Base Rate Case [Member] Duke Energy Kentucky Electric Base Rate Case Financial Instrument [Axis] Financial Instrument [Axis] Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Executive Category: Executive Category [Axis] Asset retirement obligations Asset Retirement Obligations, Noncurrent Repayments of debt Repayments of Debt Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest [Abstract] Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest [Abstract] Notes receivable from affiliated companies Proceeds (Payments) From Collection Or Advance To Affiliate Proceeds (Payments) From Collection Or Advance To Affiliate RTO auction pricing Valuation, Market Approach [Member] Derivatives (net) Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward] Proceeds from the issuance of long-term debt Proceeds from Issuance of Long-Term Debt Current Fiscal Year End Date Current Fiscal Year End Date JDA Joint Dispatch Agreement [Member] Revenues or expenses from the joint dispatch agreement between Duke Energy Carolinas and Progress Energy Carolinas Total losses included on the Condensed Consolidated Balance Sheet Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Deferred Gains Or Losses As Regulatory Asset Or Liability Total amount, including deferred gains or losses, recorded as regulatory assets and liabilities [net] measured at fair value on a recurring basis using unobservable inputs (Level 3) which have taken place during the period. Derivative liabilities Derivative Liability Battery storage to be removed from portfolio Regulatory Agreement, Battery Storage To Be Removed From Portfolio Regulatory Agreement, Battery Storage To Be Removed From Portfolio Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Noncontrolling interests Income (Loss) from Continuing Operations, Net of Tax, Attributable to Noncontrolling Interest Interest Rate Contracts Interest Rate Contract [Member] IURC Indiana Utility Regulatory Commission [Member] Indiana Utility Regulatory Commission [Member] Debt Maturing October 2073 First Mortgage Bonds Due October 2073 [Member] First Mortgage Bonds Due October 2073 First Mortgage Bonds Due January 2027 First Mortgage Bonds Due January 2027 [Member] First Mortgage Bonds Due January 2027 Fair Value Measurement amounts for Assets and Liabilities Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Estimated Fair Value Equity securities Equity Securities, FV-NI, Current Member's equity Members' Capital Potentially dilutive items excluded from the calculation (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Weighted Average Shares Outstanding Weighted Average Number of Shares Outstanding, Diluted [Abstract] Fair Value, by Balance Sheet Grouping [Table] Fair Value, by Balance Sheet Grouping [Table] Investment Agreement, termination fee Noncontrolling Interest, Investment Agreement, Termination Fee Noncontrolling Interest, Investment Agreement, Termination Fee Depositary Shares Depositary Share [Member] Depositary Share [Member] Net cash provided by financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Measure: Measure [Axis] Valuation Approach and Technique [Axis] Valuation Approach and Technique [Axis] Operation, maintenance and other Operation, maintenance and other Utilities Operating Expense, Maintenance, Operations, and Other Costs and Expenses Equity in (earnings) losses of unconsolidated affiliates Gain (Loss) From Equity Method Investments Without OTTI The entity's proportionate share for the period of net income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied, excluding other than temporary impairments. 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Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Asset Class [Axis] Asset Class [Axis] PSCSC Public Service Commission of South Carolina (PSCSC) [Member] Public Service Commission of South Carolina [Member] Valuation Approach and Technique [Domain] Valuation Approach and Technique [Domain] Noncurrent assets Other Noncurrent Assets [Member] Operating lease liabilities Other Operating Lease, Liability, Noncurrent Other Operating Lease, Liability, Noncurrent Equity in earnings of unconsolidated affiliates Equity in earnings of unconsolidated affiliates Income (Loss) from Equity Method Investments Earnings Per Share – Basic and Diluted Earnings Per Share, Basic [Abstract] Interest rate on refunds (as a percent) Public Utilities, Refund Interest Rate Percentage Public Utilities, Refund Interest Rate Percentage Accounts payable Increase (Decrease) in 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Declared Additional cash collateral or letters of credit in the event credit risk-related contingent features were triggered Additional Collateral, Aggregate Fair Value Other Comprehensive Loss, net of tax Other comprehensive (loss) income Other comprehensive loss Other Comprehensive Income (Loss), Net of Tax Business Segment Information Schedule of Segment Reporting Information, by Segment [Table Text Block] Notes payable and commercial paper Short-Term Debt Stock price trigger (percent) Debt Instrument, Convertible, Threshold Percentage of Stock Price Trigger Proposed rate period (in years) Public Utilities, Proposed Rate, Period Public Utilities, Proposed Rate, Period Revenue, remaining performance obligation, amount Revenue, Remaining Performance Obligation, Amount Annual revenue increase Public Utilities, Requested Rate Increase (Decrease), Amended, Amount Asset retirement obligations Disposal Group, Including Discontinued Operation, Asset Retirement Obligations Disposal Group, Including Discontinued Operation, Asset Retirement Obligations Affiliated Entity Affiliated Entity [Member] Asbestos-related Injuries and Damages Claims Asbestos Issue [Member] Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] VIE primary beneficiary Variable Interest Entity, Primary Beneficiary [Member] Total other noncurrent assets Investments and Other Noncurrent Assets Noncontrolling interest balance Disposal Group, Including Discontinued Operation, Noncontrolling Interest Disposal Group, Including Discontinued Operation, Noncontrolling Interest Public Utilities, Regulatory Proceeding [Domain] Public Utilities, Regulatory Proceeding [Domain] Hedging Designation [Domain] Hedging Designation [Domain] Tax Period [Domain] Tax Period [Domain] Goodwill and Intangible Assets Disclosure [Abstract] Goodwill and Intangible Assets Disclosure [Abstract] Duke Energy Florida Duke Energy Florida Duke Energy Florida [Member] Duke Energy Florida Current Assets Assets, Current [Abstract] Total Liabilities and Equity Liabilities and Equity Pension and OPEB Adjustments Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] Noncurrent Liabilities Associated with Assets Held for Sale Disposal Group, Including Discontinued Operation, Liabilities, Noncurrent [Abstract] Offsetting Derivative Assets [Abstract] Offsetting Derivative Assets [Abstract] Number of consecutive trading days Debt Instrument, Convertible, Threshold Consecutive Trading Days Member's Equity Members Equity [Member] Members Equity Derivative assets, noncurrent, location Derivative Asset, Noncurrent, Statement of Financial Position [Extensible Enumeration] Capital investments expenditures and acquisitions for the three months ended March 31, 2025 Segment, Expenditure, Addition to Long-Lived Assets Public Utility [Axis] Public Utility [Axis] Derivative liabilities, noncurrent, location Derivative Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] Settlement disbursement period Site Contingency, Disbursement Period, Estimate, Unrecognized Hurricane Ian Hurricane Ian [Member] Hurricane Ian Income From Continuing Operations Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest Pay vs Performance Disclosure [Line Items] Maximum value of shares to be issued under ATM program Maximum Value Of Shares To Be Issued Under ATM Program Maximum value of shares to be issued under ATM program of its common stock through an at-the-market offering program, including an equity forward sales component. Hurricanes Debby and Helene Hurricanes Debby and Helene [Member] Hurricanes Debby and Helene Eliminations and Reconciling Items Eliminations And Reconciling Items [Member] Eliminations And Reconciling Items Schedule of Information Regarding Derivative Instruments That Contain Credit-Risk Related Contingent Features Description of Credit Risk Related Contingent Features [Abstract] Liquidation preference per share (in usd per share) Preferred Stock, Liquidation Preference Per Share Shares redeemed (in shares) Stock Redeemed or Called During Period, Shares Goodwill impairment charges Goodwill, Impairment Loss Hurricane Helene Hurricane Helene [Member] Hurricane Helene Schedule of Variable Interest Entities [Table] Variable Interest Entity [Table] Other current liabilities Increase (Decrease) in Other Accounts Payable and Accrued Liabilities Cost Disposal Group, Including Discontinued Operation, Property, Plant and Equipment, Gross, Noncurrent Disposal Group, Including Discontinued Operation, Property, Plant and Equipment, Gross, Noncurrent Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Current maturities of long-term debt Current maturities of long-term debt Long-Term Debt, Current Maturities Company Selected Measure Amount Company Selected Measure Amount Contributions made Defined Benefit Plan, Plan Assets, Contributions by Employer Comprehensive Income Comprehensive Income Comprehensive Income (Loss), Net of Tax, Attributable to Parent Duke Energy Kentucky Electric Base Rate Case, Electric Base Rates Duke Energy Kentucky Electric Base Rate Case, Electric Base Rates [Member] Duke Energy Kentucky Electric Base Rate Case, Electric Base Rates Storm Recovery Bonds Storm Recovery Bonds [Member] Storm Recovery Bonds Disposal Group Name [Domain] Disposal Group Name [Domain] Name Measure Name Due in one year or less Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, Year One Secured Debt Secured Debt [Member] Class of Stock [Line Items] Class of Stock [Line Items] Loss From Discontinued Operations, net of tax Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent Unsecured Debt Unsecured Debt [Member] Taxes accrued Increase (Decrease) in Accrued Taxes Payable Duke Energy Ohio Energy Security Plan Duke Energy Ohio Energy Security Plan [Member] Duke Energy Ohio Energy Security Plan Cash and Cash Equivalents Available-for-sale Securities, Accumulated Gross Unrealized Gains (Loses)1 [Abstract] Available-for-sale Securities, Accumulated Gross Unrealized Gains (Loses)1 [Abstract] Accounts payable to affiliated companies Increase (Decrease) in Accounts Payable, Related Parties Wholesale Wholesale [Member] Wholesale Customer [Member] Current Liabilities Associated with Assets Held for Sale Disposal Group, Including Discontinued Operation, Liabilities, Current [Abstract] Legal Entity [Axis] Legal Entity [Axis] Total Assets Total Assets Assets Piedmont Natural Gas and Progress Energy Piedmont Natural Gas And Progress Energy [Member] Piedmont Natural Gas and Progress Energy [Member] Cash, Cash Equivalents, and Restricted Cash Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block] Equity Forwards, Second Tranche Equity Forwards, Second Tranche [Member] Equity Forwards, Second Tranche Cost reduction to transmission loop Public Utilities, Approved Plan, Restoration Cost Reduction Public Utilities, Approved Plan, Restoration Cost Reduction CASH FLOWS FROM OPERATING ACTIVITIES Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Receivable Type [Axis] Receivable Type [Axis] Oconee Nuclear Station Oconee Nuclear Station [Member] Oconee Nuclear Station Estimated Fair Value Debt Securities, Available-for-sale, and Equity Securities, FV-NI Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading Sale of Commercial Renewables Disposal Groups(b) Noncontrolling Interest, Decrease from Deconsolidation Duke Energy Ohio Duke Energy Ohio Duke Energy Ohio [Member] Duke Energy Ohio Variable Interest Entities [Line Items] Variable Interest Entity [Line Items] Inventory Inventory Total inventory Public Utilities, Inventory Dividends declared per common share (in usd per share) Common Stock, Dividends, Per Share, Declared Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Debt Securities, Available-for-sale [Line Items] Debt Securities, Available-for-Sale [Line Items] DECSCSF DECSCSF [Member] DECSCSF Level 2 Fair Value, Inputs, Level 2 [Member] Guarantee period Regulatory Agreement, Guaranteed Customer Savings, Period Regulatory Agreement, Guaranteed Customer Savings, Period Investments in equity method unconsolidated affiliates Equity Method Investments Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Business Combination [Domain] Business Combination [Domain] Related Party Related Party [Member] Input measurements (in usd per MWh and usd per MMBtu) Derivative Asset (Liability) Net, Measurement Input Discontinued Operations Discontinued Operations, Policy [Policy Text Block] PEO PEO [Member] Net unrealized losses on fair value hedges Other Comprehensive Income (Loss), Derivative, Excluded Component, Increase (Decrease), after Adjustments and Tax Investments Classified by Contractual Maturity Date Investments Classified by Contractual Maturity Date [Table Text Block] Proceeds from sales and maturities of debt and equity securities Proceeds from Sale, Maturity and Collection of Investments Significant non-cash transactions: Noncash Investing and Financing Items [Abstract] Disposal Group, Including Discontinued Operation, Assets, Current [Abstract] Disposal Group, Including Discontinued Operation, Assets, Current [Abstract] Retained Earnings Retained Earnings [Member] Accounts receivable from securitization Receivables of VIEs Accounts Receivable from Securitization Cash, cash equivalents and restricted cash at beginning of period Cash, cash equivalents and restricted cash at end of period Total cash, cash equivalents and restricted cash Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Income Statement [Abstract] Income Statement [Abstract] Derivative assets Derivative Asset Probable insurance recoveries Loss Contingency, Receivable, Noncurrent Interest expense Interest Expense [Member] Taxes accrued Taxes Payable, Current Derivative liabilities, noncurrent Derivative Liability, Noncurrent Refund period Public Utilities, Refund Period Public Utilities, Refund Period Product and Service [Domain] Product and Service [Domain] Write-Offs Accounts Receivable, Allowance for Credit Loss, Writeoff (Recovery) Accounts Receivable, Allowance for Credit Loss, Writeoff (Recovery) Basic (in usd per share) Income (Loss) from Continuing Operations, Per Diluted 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Operating Expense, Maintenance, Operations, and Other Costs and Expenses CASH FLOWS FROM INVESTING ACTIVITIES Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Notes payable to affiliated companies Proceeds from (Repayments of) Related Party Debt Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Generation capacity, co-owned (MW) Public Utilities, Combined Cycle Plants, in Megawatts, Co-Owned Public Utilities, Combined Cycle Plants, in Megawatts, Co-Owned Related Party Transactions [Abstract] Related Party Transactions [Abstract] Industrial Industrial [Member] Industrial Customer [Member] Amortization of actuarial loss Defined Benefit Plan, Amortization of Gain (Loss) Goodwill Goodwill Cost of natural gas Natural Gas [Member] Cash proceeds from exchange of membership interest Proceeds from Sale of Interest in Partnership Unit Tax Year 2025 Tax Year 2025 [Member] Income taxes receivable Income Taxes Receivable Notes receivable 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Senior Notes, 3.10% Due June 2028 Related and Nonrelated Parties [Domain] Related and Nonrelated Parties [Domain] Common stock dividends Distributions to parent Dividends to parent Dividends Current liabilities Other Current Liabilities [Member] Winter Storm Fern Winter Storm Fern [Member] Winter Storm Fern Piedmont Tennessee Disposal Group Piedmont Tennessee Disposal Group Piedmont Tennessee Disposal Group [Member] Piedmont Tennessee Disposal Group Derivative Instrument [Axis] Derivative Instrument [Axis] Other Other Assets, Current Additional paid-in capital Additional paid-in capital Additional Paid in Capital, Common Stock Amount of variable denomination floating-rate demand notes available for sale under S-3 Unsecured Variable Denomination Floating Rate Demand Notes, Amount Available For Sale Under Registration Statement Unsecured Variable Denomination Floating Rate Demand Notes, Amount Available For Sale Under Registration Statement Entity [Domain] Entity [Domain] Net cash used in investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Revenue, remaining performance obligation, expected timing of satisfaction, period Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member] Derivative assets, noncurrent Derivative Asset, Noncurrent Gain on sale of Piedmont's Tennessee business Gain on sale of Piedmont's Tennessee business Gain on sale of business Gain (Loss) on Disposition of Business Document Fiscal Year Focus Document Fiscal Year Focus Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Operating lease right-of-use assets, net Operating Lease, Right-of-Use Asset First Mortgage Bonds Due December 2026 First Mortgage Bonds Due 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(Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Approved rate increase (decrease), amount Public Utilities, Approved Rate Increase (Decrease), Amount Increase in regulatory liability Increase in regulatory liability Increase (Decrease) in Regulatory Liabilities Components of Net Periodic Pension Costs Schedule of Net Benefit Costs [Table Text Block] Other debt securities Other Debt Obligations [Member] Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Weighted Average Weighted Average [Member] Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Other Restricted Cash and Cash Equivalent, Current Income from continuing operations available to Duke Energy common stockholders Net Income (Loss) from Continuing Operations Available to Common Shareholders, Basic Depreciation, amortization and accretion (including 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Substantially all of the associated unrealized gains and losses on these investments are deferred as a regulatory asset or liability. Convertible notes / equity forwards (in shares) Incremental Common Shares Attributable to Dilutive Effect of Conversion of Debt Securities Equity Equity [Member] Revolving Credit Facility Revolving Credit Facility [Member] Nonregulated electric and other Nonregulated electric and other Unregulated Operating Revenue Arrangement Duration Trading Arrangement Duration Debt Securities, Trading, and Equity Securities, FV-NI Debt Securities, Trading, and Equity Securities, FV-NI [Table Text Block] DEPR accounts receivable securitization facility due April 2025 DEPR Accounts Receivable Securitization Facility Maturing April 2025 [Member] DEPR Accounts Receivable Securitization Facility Maturing April 2025 Segments [Axis] Segments [Axis] Local Phone Number Local Phone Number Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Other Other Payment for (Proceeds from) Other Investing Activity Forward Contract Indexed to Issuer's Equity, Type [Axis] Forward Contract Indexed to Issuer's Equity, Type [Axis] ASSETS Assets [Abstract] Credit Facility [Axis] Credit Facility [Axis] Underlying Security Market Price Change Underlying Security Market Price Change, Percent Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract] Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract] Debt Instrument [Axis] Debt Instrument [Axis] Employee Benefit Plans Retirement Benefits [Text Block] Fair Value Measurements Fair Value Disclosures [Text Block] Credit Facility [Domain] Credit Facility [Domain] Derivative liabilities, current Derivative Liability, Current Investment, Name [Axis] Investment, Name [Axis] Interest rate Debt Instrument, Interest Rate, Stated Percentage New combustion turbines (in megawatts) Public Utilities, Combustion Turbines, in Megawatts Public Utilities, Combustion Turbines, in Megawatts Net property, plant and equipment Disposal Group, Including Discontinued Operation, Property, Plant and Equipment, Noncurrent Derivative assets Gross amounts recognized Derivative Asset, Subject to Master Netting Arrangement, before Offset Property, Plant and Equipment Property, Plant and Equipment [Abstract] Entity Registrant Name Entity Registrant Name Other assets Increase (Decrease) in Other Noncurrent Assets Sale of Nuclear Power PTCs Sale of Nuclear Power PTCs [Member] Sale of Nuclear Power PTCs Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Net periodic pension costs Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Municipal bonds Municipal Bonds [Member] Total Liabilities Associated with Assets Held for Sale Disposal Group, Including Discontinued Operation, Liabilities Expected total project cost Public Utilities, Expected Capital Expenditures Public Utilities, Expected Capital Expenditures Regulated Operations [Abstract] Regulated Operations [Abstract] Threshold product of stock price and conversion rate (percent) Debt Instrument, Convertible, Threshold Percentage Of Stock Price And Conversion Rate, Trigger Debt Instrument, Convertible, Threshold Percentage Of Stock Price And Conversion Rate, Trigger Total assets Assets, Fair Value Disclosure Proposed cost restoration period Unusual or Infrequent Item, or Both, Cost Restoration Period Unusual or Infrequent Item, or Both, Cost Restoration Period Consideration period Disposal Group, Including Discontinued Operation, Consideration Period Disposal Group, Including Discontinued Operation, Consideration Period Tax Credit Carryforward [Line Items] Tax Credit Carryforward [Line Items] Repayments of convertible debt Repayments of Convertible Debt Interest cost on projected benefit obligation Defined Benefit Plan, Interest Cost Related and Nonrelated Parties [Axis] Related and Nonrelated Parties [Axis] Progress Energy Progress Energy Progress Energy [Member] Progress Energy Duke Energy Term Loan Facility Duke Energy Term Loan Facility [Member] Duke Energy Term Loan Facility Noncurrent liabilities Other Noncurrent Liabilities [Member] Restatement Determination Date: Restatement Determination Date [Axis] Requested rate increase (decrease) (as a percent) Public Utilities, Requested Rate Increase (Decrease), Percentage Duke Energy Carolinas and Duke Energy Progress Duke Energy Carolinas and Duke Energy Progress [Member] Duke Energy Carolinas and Duke Energy Progress [Member] Total equity Beginning balance Ending balance Members' Equity Bad Creek Pumped Storage Hydroelectric Station Bad Creek Pumped Storage Hydroelectric Station [Member] Bad Creek Pumped Storage Hydroelectric Station Aggregate investment from noncontrolling owner Noncontrolling Interest, Increase from Subsidiary Equity Issuance Other Other Proceeds from (Payment for) Other Financing Activity Interest expense from corporate level debt Interest Expense, Debt Comprehensive Income Available to Duke Energy Corporation Common Stockholders Comprehensive Income (Loss), Net of Tax, Available to Common Stockholders, Diluted Comprehensive Income (Loss), Net of Tax, Available to Common Stockholders, Diluted Regulatory Asset [Axis] Regulatory Asset [Axis] Name Trading Arrangement, Individual Name Property and other taxes Property And Other Taxes [Member] Property And Other Taxes Equity Issuances Pursuant to Forward Contracts Schedule of Forward Contracts Indexed to Issuer's Equity [Table Text Block] Debt issuances Debt Instrument, Face Amount DEFPF DEFPF [Member] Duke Energy Florida Project Finance LLC [Member] Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Preferred Stock Preferred Stock [Member] Name Awards Close in Time to MNPI Disclosures, Individual Name Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Regulatory assets Other Noncurrent Assets: Regulatory assets Regulatory Asset, Noncurrent Net income (loss) Net Income (Loss), Including Portion Attributable to Noncontrolling Interest, Including Preferred Distributions Net Income (Loss), Including Portion Attributable to Noncontrolling Interest, Including Preferred Distributions Convertible Senior Notes Due April 2026 Debt Maturing April 2026 Convertible Senior Notes Due March 2029 [Member] Convertible Senior Notes Due March 2029 Other Disposal Group, Including Discontinued Operation, Other Assets, Current Litigation Case [Axis] Litigation Case [Axis] Anderson County Natural Gas CC Generating Facility Anderson County Natural Gas CC Generating Facility [Member] Anderson County Natural Gas CC Generating Facility Segments [Domain] Segments [Domain] Natural gas storage and transportation costs Natural Gas Storage And Transportation Costs [Member] Natural Gas Storage And Transportation Costs [Member] Statement of Income Location, Balance [Axis] Statement of Income Location, Balance [Axis] Available capacity under the Master Credit Facility Line of Credit Facility, Remaining Borrowing Capacity Schedule of Cash and Cash Equivalents [Table] Cash and Cash Equivalent [Table] Investments In Debt and Equity Securities Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table Text Block] Nuclear decommissioning trust funds Decommissioning Fund Investments Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Balance Sheet Location [Domain] Statement of Financial Position Location, Balance [Domain] Inventory Increase (Decrease) in Inventories Other Investments Other Classification [Member] Other Investment Classification. This includes all investments not held within the Nuclear decomissioning trust fund and the Duke Energy Indiana Grantor Trust. Other Noncurrent Assets Assets, Noncurrent [Abstract] Net Unrealized Gains (Losses) on Available-for-Sale Securities AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-Sale, Parent [Member] Earnings Per Share Earnings Per Share, Policy [Policy Text Block] Offset Derivative Liability, Subject to Master Netting Arrangement, Asset Offset Preferred stock Preferred Stock, Value, Issued All Executive Categories All Executive Categories [Member] Common stock Common Stock, Value, Issued 3.75% Senior Notes due 2031 Senior Notes 3.75 Percent Due 2031 [Member] Senior Notes 3.75 Percent Due 2031 Natural gas (millions of dekatherms) Gas Distribution [Member] Commitments and Contingencies Commitments and Contingencies Increase (decrease) in Increase (Decrease) in Operating Liabilities [Abstract] PUCO Public Utilities Commission Of Ohio [Member] Public Utilities Commission of Ohio regulatory body. Not Categorized Fair Value Measured at Net Asset Value Per Share [Member] Business Combination [Axis] Business Combination [Axis] Comprehensive Income Net Income and Comprehensive Income Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Noncontrolling Interests Noncontrolling Interest [Member] Estimated Fair Value Cash And Cash Equivalent Investments Amount of cash and cash equivalents held in a trust fund or other type of investment. Indiana Coal Ash Recovery Indiana Coal Ash Recovery [Member] Indiana Coal Ash Recovery EPS from continuing operations available to Duke Energy common stockholders Net Income (Loss) Available to Common Stockholders, Basic [Abstract] 5.625% Junior Subordinated Debentures due September 15, 2078 Junior Subordinated Debentures 5.625% Coupon Due September 2078 [Member] Junior Subordinated Debentures 5.625% Coupon Due September 2078 [Member] Derivative assets, current, location Derivative Asset, Current, Statement of Financial Position [Extensible Enumeration] PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Due after 10 years Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 10 First Mortgage Bonds Due March 2027 First Mortgage Bonds Due March 2027 [Member] First Mortgage Bonds Due March 2027 Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] Hedging Designation [Axis] Hedging Designation [Axis] First Mortgage Bonds Due October 2046 First Mortgage Bonds Due October 2046 [Member] First Mortgage Bonds Due October 2046 First Mortgage Bonds Issued March 2026 Due April 2076 First Mortgage Bonds Issued March 2026 Due April 2076 [Member] First Mortgage Bonds Issued March 2026 Due April 2076 Scenario [Axis] Scenario [Axis] Allowance for doubtful accounts - receivables Allowance for Doubtful Accounts and Other Receivables, Current Amount of allowance related to receivables from customers, clients, or other third-parties, and receivables classified as other due within one year or the normal operating cycle, if longer, that are expected to be uncollectible. Goodwill Assets held for sale, goodwill Disposal Group, Including Discontinued Operation, Goodwill Federal Energy Regulatory Commission (FERC) Federal Energy Regulatory Commission (FERC) [Member] Federal Energy Regulatory Commission (FERC) Pension and OPEB adjustments Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax Derivative Contract [Domain] Derivative Contract [Domain] Issuance of common stock Proceeds from Issuance of Common Stock Realized losses Debt Securities, Available-for-Sale, Realized Loss Receive notional Derivative, Amount of Hedged Item All Individuals All Individuals [Member] Long-term Debt, Type [Domain] Long-Term Debt, Type [Domain] Duke Energy Progress Duke Energy Progress Duke Energy Progress [Member] Duke Energy Progress Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Receivables Increase (Decrease) in Receivables Capital expenditures Capital expenditures Payments to Acquire Property, Plant, and Equipment Corporate governance and shared service expenses Corporate Governance And Shared Service Expenses [Member] Proportionate share of corporate governance and other costs, primarily related to human resources, employee benefits, legal and accounting fees, as well as other third party costs. Name Forgone Recovery, Individual Name Net realized and unrealized mark-to-market and hedging transactions Unrealized Gain (Loss) on Derivatives Regulatory Agency [Domain] Regulatory Agency [Domain] Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member] Storm restoration costs incurred Unusual or Infrequent Item, or Both, Storm Restoration Costs Incurred Unusual or Infrequent Item, or Both, Storm Restoration Costs Incurred Equity Forwards, First Tranche Equity Forwards, First Tranche [Member] Equity Forwards, First Tranche Duke Energy Kentucky Duke Energy Kentucky [Member] Duke Energy Kentucky Disposal Group Classification [Axis] Disposal Group Classification [Axis] Increase (reduction) in regulatory liabilities Increase (Decrease) in Regulatory Assets and Liabilities Central Electric Power Cooperative Central Electric Power Cooperative [Member] Central Electric Power Cooperative Proceeds loaned to subsidiary registrants Proceeds Loaned To Subsidiary Registrants [Member] Proceeds Loaned To Subsidiary Registrants Settlement rate, period (in years) Public Utilities, Settlement Rate, Period Public Utilities, Settlement Rate, Period Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Line of Credit Facility [Line Items] Line of Credit Facility [Line Items] Shares issued on debt conversion Debt Conversion, Converted Instrument, Shares Issued Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] 3.10% Senior Notes due 2028 Senior Notes 3.10 Percent Due 2028 [Member] Senior Notes 3.10 Percent Due 2028 If approved Expected Forecast [Member] Less: Impact of participating securities Participating Securities, Distributed and Undistributed Earnings (Loss), Basic Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Title of 12(b) Security Title of 12(b) Security Tax Years 2023 and 2024 Tax Years 2023 and 2024 [Member] Tax Years 2023 and 2024 Disposal Groups, Including Discontinued Operations [Table] Disposal Groups, Including Discontinued Operations [Table] Number of plaintiffs Loss Contingency, Number of Plaintiffs Net income available to Duke Energy Corporation common stockholders Earnings Per Share [Abstract] Regulatory assets Disposal Group, Including Discontinued Operation, Regulatory Assets, Noncurrent Disposal Group, Including Discontinued Operation, Regulatory Assets, Noncurrent Total other income and expenses Other Income and Expenses, net Nonoperating Income (Expense) Other revenues Other Revenues [Member] Other Revenues Gross Unrealized Holding Gains Debt Securities, Available-for-sale, and Equity Securities, FV-NI, Unrealized Gain Amount of unrealized gain on investments in debt securities measured at fair value with change in fair value recognized in OCI and equity securities measured at fair value with change in fair value recognized in net income (FV-NI). Capital expenditures Capital Investments, Expenditures And Acquisitions Total expenditures for long-lived assets additions other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets of the reportable segment; if the amount: (a) is included in the determination of segment assets reviewed by the chief operating decision maker or (b) is otherwise regularly provided to the chief operating decision maker, even if not included in the determination of segment assets. Generation capacity (MW) Public Utilities, Combined Cycle Plants, in Megawatts Public Utilities, Combined Cycle Plants, in Megawatts Duke Energy Carolinas and Third Parties Duke Energy Carolinas And Third Parties [Member] Duke Energy Carolinas And Third Parties Variable Interest Entity Variable Interest Entity [Member] Variable Interest Entity [Member] DEPNCSF DEPNCSF [Member] DEPNCSF Other Adjustments Accounts Receivable, Allowance for Credit Loss, Other Increase (Decrease) Accounts Receivable, Allowance for Credit Loss, Other Increase (Decrease) Total storm restoration costs Unusual or Infrequent Item, or Both, Total Storm Restoration Costs Unusual or Infrequent Item, or Both, Total Storm Restoration Costs Award Timing Disclosures [Line Items] Service cost Defined Benefit Plan, Service Cost Stockholders' Equity Equity [Text Block] Net Income Net income (loss) Net Income (Loss) Attributable to Parent Duke Energy and Duke Energy Carolinas Duke Energy and Duke Energy Carolinas [Member] Duke Energy and Duke Energy Carolinas [Member] Net property, plant and equipment Public Utilities, Property, Plant and Equipment, Net 3.85% Senior Notes due 2034 Senior Notes 3.85 Percent Due 2034 [Member] Senior Notes 3.85 Percent Due 2034 Basic (in usd per share) Discontinued Operation, Income (Loss) from Discontinued Operation, Net of Tax, Per Basic Share Summary of Effective Tax Rates Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Regulated electric Regulated electric Regulated Operating Revenue, Electric, Non-Nuclear Accounts Receivable, Allowance for Credit Loss [Roll Forward] Accounts Receivable, Allowance for Credit Loss [Roll Forward] Revenue from sources other than contracts with customers Revenue Not from Contract with Customer Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Preferred stock, depositary shares authorized (in shares) Preferred Stock, Shares Authorized Shares Priced (shares) Forward Contract Indexed to Issuer's Equity, Indexed Shares Adoption Date Trading Arrangement Adoption Date Cayuga Combined Cycle CPCN, Coal-Fired Cayuga Combined Cycle CPCN, Coal-Fired [Member] Cayuga Combined Cycle CPCN, Coal-Fired Tax Credit Carryforward [Table] Tax Credit Carryforward [Table] Customer [Axis] Customer [Axis] Operating license extension (in years) Public Utilities, Operating License Extension, Period Public Utilities, Operating License Extension, Period Future investment in infrastructure Utilities, Future Investment in Infrastructure Utilities, Future Investment in Infrastructure Operating Income Operating Income (Loss) Line of Credit Line of Credit [Member] Offsetting Liabilities Offsetting Liabilities [Table Text Block] Retained earnings Retained earnings Retained Earnings (Accumulated Deficit) Unusual or Infrequent Item, or Both [Axis] Unusual or Infrequent Item, or Both [Axis] Mooresville Coal Ash Class Action Litigation Mooresville Coal Ash Class Action Litigation [Member] Mooresville Coal Ash Class Action Litigation Operating revenues Regulated and Unregulated Operating Revenue [Member] Regulated and Unregulated Operating Revenue Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member] Class of Stock [Axis] Class of Stock [Axis] Environmental Costs Environmental Costs, Policy [Policy Text Block] Net Gains (Losses) on Hedges Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Debt Maturing April 2074 First Mortgage Bonds Due April 2074 [Member] First Mortgage Bonds Due April 2074 Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member] Liabilities associated with assets held for sale Current liabilities associated with assets held for sale Total current liabilities associated with assets held for sale Disposal Group, Including Discontinued Operation, Liabilities, Current Retirement Plan Type [Axis] Retirement Plan Type [Axis] Purchases, sales, issuances and settlements: Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Purchases, Sales, Issues, Settlements [Abstract] Other income and expenses, net Other Nonoperating Income (Expense) Statement [Table] Statement [Table] Duke Energy Kentucky 2025 Natural Gas Base Rate Case Duke Energy Kentucky 2025 Natural Gas Base Rate Case [Member] Duke Energy Kentucky 2025 Natural Gas Base Rate Case Deferred income taxes Deferred Income Tax Expense (Benefit) Adjustments to reconcile net income to net cash provided by operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] CASH FLOWS FROM FINANCING ACTIVITIES Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Segment Reporting Information, Profit (Loss) [Abstract] Segment Reporting Information, Profit (Loss) [Abstract] Reconciliation of Assets and Liabilities Measured At Fair Value on a Recurring Basis Using Unobservable Inputs Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] All Adjustments to Compensation All Adjustments to Compensation [Member] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Fuel used in electric generation and purchased power Electricity [Member] Amendment Flag Amendment Flag Total operating revenues Operating Revenues Regulated and Unregulated Operating Revenue Depreciation and amortization Cost, Depreciation, Amortization and Depletion Termination Date Trading Arrangement Termination Date Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Other Disposal Group, Including Discontinued Operation, Other Liabilities, Noncurrent Receivable [Domain] Receivable [Domain] Basic (in shares) Weighted average common shares outstanding – basic (in shares) Weighted Average Number of Shares Outstanding, Basic Schedule of Earnings Per Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] South Carolina Electric Rate Stabilization Adjustment Filing South Carolina Electric Rate Stabilization Adjustment Filing [Member] South Carolina Electric Rate Stabilization Adjustment Filing Other Restricted Cash and Cash Equivalent, Noncurrent Related Party Transaction [Domain] Related Party Transaction [Domain] Segment Reporting [Abstract] Segment Reporting [Abstract] Debt Disclosure [Abstract] Debt Disclosure [Abstract] Other Income and Expenses Nonoperating Income (Expense) [Abstract] Scenario [Domain] Scenario [Domain] Operating Expenses Costs and Expenses [Abstract] Offsetting Derivative Liabilities [Abstract] Offsetting Derivative Liabilities [Abstract] Applications To Combine Utilities Applications To Combine Utilities [Member] Applications To Combine Utilities Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Duke Energy Kentucky Electric Base Rate Case, Electric Riders Duke Energy Kentucky Electric Base Rate Case, Electric Riders [Member] Duke Energy Kentucky Gas Base Rate Case, Electric Riders Approved equity capital structure, percentage (as a percent) Public Utilities, Approved Equity Capital Structure, Percentage Consolidated Entities [Axis] Consolidated Entities [Axis] Common stock, par value (in usd per share) Common Stock, Par or Stated Value Per Share Accounts Receivable, Allowance for Credit Loss [Table] Accounts Receivable, Allowance for Credit Loss [Table] Accounts Receivable, Allowance for Credit Loss [Table] Derivative Instruments and Hedging Activities Disclosures [Line Items] Derivative Instruments and Hedging Activities Disclosures [Line Items] Cayuga Combined Cycle CPCN Cayuga Combined Cycle CPCN [Member] Cayuga Combined Cycle CPCN Intercompany income tax receivable Income Taxes Receivable, Current North Carolina Electric Membership Corporation North Carolina Electric Membership Corporation [Member] North Carolina Electric Membership Corporation Electric Utilities and Infrastructure Electric Utilities and Infrastructure [Member] Electric Utilities and Infrastructure Segment Public Utilities, Regulatory Proceeding [Axis] Public Utilities, Regulatory Proceeding [Axis] Investment in transmission and distribution Public Utilities, Investment in Transmission and Distribution Public Utilities, Investment in Transmission and Distribution Receivables, net Disposal Group, Including Discontinued Operation, Accounts, Notes and Loans Receivable, Net Income Tax Disclosure [Table] Income Tax Disclosure [Table] Schedule reflecting income tax information. Regulatory assets Regulatory Asset Fair value gain (loss) Derivative, Excluded Component, Gain (Loss), Recognized in Earnings Offset Derivative Asset, Subject to Master Netting Arrangement, Liability Offset Insider Trading Arrangements [Line Items] Intercompany natural gas purchases and sales Intercompany Natural Gas Transactions [Member] Intercompany Natural Gas Transactions between Piedmont Natural Gas and Duke Energy Carolinas/Duke Energy Progress Regulatory liabilities Regulatory Liability, Current Duke Energy Carolinas Duke Energy Carolinas Duke Energy Carolinas [Member] Duke Energy Carolinas Income taxes related to sale of investment assets Disposal Group, Including Discontinued Operation, Sale Of Investments, Tax Disposal Group, Including Discontinued Operation, Sale Of Investments, Tax Cost recovery request Unusual or Infrequent Item, or Both, Cost Recovery, Covered Fuel And Purchased Power Costs Including Solar Purchases Unusual or Infrequent Item, or Both, Cost Recovery, Covered Fuel And Purchased Power Costs Including Solar Purchases Settlements Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Settlements Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Offsetting Assets [Line Items] Offsetting Assets [Line Items] Common stock issuances, including dividend reinvestment and employee benefits Stock Issued During Period, Value, New Issues Accumulated depreciation and amortization Disposal Group, Including Discontinued Operation, Property, Plant and Equipment, Accumulated Depreciation, Noncurrent Disposal Group, Including Discontinued Operation, Property, Plant and Equipment, Accumulated Depreciation, Noncurrent Consolidation Items [Axis] Consolidation Items [Axis] Senior Notes, 3.85% Due June 2034 Senior Notes, 3.85% Due June 2034 [Member] Senior Notes, 3.85% Due June 2034 Quantitative Information Table - Level 3 Fair Value, Assets and Liabilities Measured on Nonrecurring Basis, Valuation Techniques [Table Text Block] Counterparty Name [Axis] Counterparty Name [Axis] Number of trading days Debt Instrument, Convertible, Threshold Trading Days Estimated Fair Value Total Debt securities Debt Securities, Available-for-Sale Tax Credit Carryforward, Name [Domain] Tax Credit Carryforward, Name [Domain] 2022 North Carolina Rate Case, Retail Allocated 2022 North Carolina Rate Case, Retail Allocated [Member] 2022 North Carolina Rate Case, Retail Allocated Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Non-NEOs Non-NEOs [Member] Corporate debt securities Corporate Debt Securities [Member] Commercial Renewables Commercial Renewables Disposal Groups Commercial Renewables Disposal Group [Member] Commercial Renewables Disposal Group Preferred redemption costs Preferred Stock Redemption Premium Fair value of collateral already posted Collateral Already Posted, Aggregate Fair Value