0000001 - Document - Cover Page link:presentationLink link:calculationLink link:definitionLink 9952151 - Statement - Condensed Consolidated Statements of Operations link:presentationLink link:calculationLink link:definitionLink 9952152 - Statement - Condensed Consolidated Statements of Operations (Calculation) link:presentationLink link:calculationLink link:definitionLink 9952153 - Statement - Condensed Consolidated Statements of Comprehensive Income link:presentationLink link:calculationLink link:definitionLink 9952154 - Statement - Condensed Consolidated Statements of Comprehensive Income (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 9952155 - Statement - Condensed Consolidated Statements of Comprehensive Income (Calculation) link:presentationLink link:calculationLink link:definitionLink 9952155 - Statement - Condensed Consolidated Statements of Comprehensive Income (Calculation) link:presentationLink link:calculationLink link:definitionLink 9952156 - Statement - Condensed Consolidated Balance Sheets link:presentationLink link:calculationLink link:definitionLink 9952157 - Statement - Condensed Consolidated Balance Sheets (Calculation) link:presentationLink link:calculationLink link:definitionLink 9952158 - Statement - Condensed Consolidated Balance Sheets (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 9952159 - Statement - Condensed Consolidated Statements of Cash Flows link:presentationLink link:calculationLink link:definitionLink 9952160 - Statement - Condensed Consolidated Statements of Changes in Equity link:presentationLink link:calculationLink link:definitionLink 9952161 - Statement - Condensed Consolidated Statements of Changes in Equity (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 9952162 - Statement - Condensed Consolidated Statements of Operations and Comprehensive Income - Duke Energy Carolinas link:presentationLink link:calculationLink link:definitionLink 9952163 - Statement - Condensed Consolidated Balance Sheets - Duke Energy Carolinas link:presentationLink link:calculationLink link:definitionLink 9952164 - Statement - Condensed Consolidated Balance Sheets - Duke Energy Carolinas (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 9952165 - Statement - Condensed Consolidated Statements of Cash Flows - Duke Energy Carolinas link:presentationLink link:calculationLink link:definitionLink 9952166 - Statement - Condensed Consolidated Statements of Changes in Equity - Duke Energy Carolinas link:presentationLink link:calculationLink link:definitionLink 9952167 - Statement - Condensed Consolidated Statements of Operations and Comprehensive Income - Progress Energy link:presentationLink link:calculationLink link:definitionLink 9952168 - Statement - Condensed Consolidated Balance Sheets - Progress Energy link:presentationLink link:calculationLink link:definitionLink 9952169 - Statement - Condensed Consolidated Balance Sheets - Progress Energy (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 9952170 - Statement - Condensed Consolidated Statements of Cash Flows - Progress Energy link:presentationLink link:calculationLink link:definitionLink 9952171 - Statement - Condensed Consolidated Statements of Changes in Equity - Progress Energy link:presentationLink link:calculationLink link:definitionLink 9952172 - Statement - Condensed Consolidated Statements of Operations and Comprehensive Income - Duke Energy Progress link:presentationLink link:calculationLink link:definitionLink 9952173 - Statement - Condensed Consolidated Balance Sheets - Duke Energy Progress link:presentationLink link:calculationLink link:definitionLink 9952174 - Statement - Condensed Consolidated Balance Sheets - Duke Energy Progress (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 9952175 - Statement - Condensed Consolidated Statements of Cash Flows - Duke Energy Progress link:presentationLink link:calculationLink link:definitionLink 9952176 - Statement - Condensed Consolidated Statements of Changes in Equity - Duke Energy Progress link:presentationLink link:calculationLink link:definitionLink 9952177 - Statement - Condensed Consolidated Statements of Operations and Comprehensive Income - Duke Energy Florida link:presentationLink link:calculationLink link:definitionLink 9952178 - Statement - Condensed Consolidated Balance Sheets - Duke Energy Florida link:presentationLink link:calculationLink link:definitionLink 9952179 - Statement - Condensed Consolidated Balance Sheets - Duke Energy Florida (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 9952180 - Statement - Condensed Consolidated Statements of Cash Flows - Duke Energy Florida link:presentationLink link:calculationLink link:definitionLink 9952181 - Statement - Condensed Consolidated Statements of Changes in Equity - Duke Energy Florida link:presentationLink link:calculationLink link:definitionLink 9952182 - Statement - Condensed Consolidated Statements of Operations and Comprehensive Income - Duke Energy Ohio link:presentationLink link:calculationLink link:definitionLink 9952183 - Statement - Condensed Consolidated Balance Sheets - Duke Energy Ohio link:presentationLink link:calculationLink link:definitionLink 9952184 - Statement - Condensed Consolidated Balance Sheets - Duke Energy Ohio (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 9952185 - Statement - Condensed Consolidated Statements of Cash Flows - Duke Energy Ohio link:presentationLink link:calculationLink link:definitionLink 9952186 - Statement - Condensed Consolidated Statements of Changes in Equity - Duke Energy Ohio link:presentationLink link:calculationLink link:definitionLink 9952187 - Statement - Condensed Consolidated Statements of Operations and Comprehensive Income - Duke Energy Indiana link:presentationLink link:calculationLink link:definitionLink 9952188 - Statement - Condensed Consolidated Balance Sheets - Duke Energy Indiana link:presentationLink link:calculationLink link:definitionLink 9952189 - Statement - Condensed Consolidated Balance Sheets - Duke Energy Indiana (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 9952190 - Statement - Condensed Consolidated Statements of Cash Flows - Duke Energy Indiana link:presentationLink link:calculationLink link:definitionLink 9952191 - Statement - Condensed Consolidated Statements of Changes in Equity - Duke Energy Indiana link:presentationLink link:calculationLink link:definitionLink 9952192 - Statement - Condensed Consolidated Statements of Operations and Comprehensive Income - Piedmont link:presentationLink link:calculationLink link:definitionLink 9952193 - Statement - Condensed Consolidated Balance Sheets - Piedmont link:presentationLink link:calculationLink link:definitionLink 9952194 - Statement - Condensed Consolidated Balance Sheets - Piedmont (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 9952195 - Statement - Condensed Consolidated Statements of Cash Flows - Duke Energy Piedmont link:presentationLink link:calculationLink link:definitionLink 9952196 - Statement - Condensed Consolidated Statements of Changes in Equity - Piedmont link:presentationLink link:calculationLink link:definitionLink 9952197 - Disclosure - Organization and Basis of Presentation link:presentationLink link:calculationLink link:definitionLink 9952198 - Disclosure - Dispositions link:presentationLink link:calculationLink link:definitionLink 9952199 - Disclosure - Business Segments link:presentationLink link:calculationLink link:definitionLink 9952200 - Disclosure - Regulatory Matters link:presentationLink link:calculationLink link:definitionLink 9952201 - Disclosure - Commitments and Contingencies link:presentationLink link:calculationLink link:definitionLink 9952202 - Disclosure - Debt and Credit Facilities link:presentationLink link:calculationLink link:definitionLink 9952203 - Disclosure - Goodwill link:presentationLink link:calculationLink link:definitionLink 9952204 - Disclosure - Related Party Transactions link:presentationLink link:calculationLink link:definitionLink 9952205 - Disclosure - Derivatives and Hedging link:presentationLink link:calculationLink link:definitionLink 9952206 - Disclosure - Investments in Debt and Equity Securities link:presentationLink link:calculationLink link:definitionLink 9952207 - Disclosure - Fair Value Measurements link:presentationLink link:calculationLink link:definitionLink 9952208 - Disclosure - Variable Interest Entities link:presentationLink link:calculationLink link:definitionLink 9952209 - Disclosure - Revenue link:presentationLink link:calculationLink link:definitionLink 9952210 - Disclosure - Stockholders' Equity link:presentationLink link:calculationLink link:definitionLink 9952211 - Disclosure - Employee Benefit Plans link:presentationLink link:calculationLink link:definitionLink 9952212 - Disclosure - Income Taxes link:presentationLink link:calculationLink link:definitionLink 9955511 - Disclosure - Organization and Basis of Presentation (Policies) link:presentationLink link:calculationLink link:definitionLink 9955512 - Disclosure - Organization and Basis of Presentation (Tables) link:presentationLink link:calculationLink link:definitionLink 9955513 - Disclosure - Dispositions (Tables) link:presentationLink link:calculationLink link:definitionLink 9955514 - Disclosure - Business Segments (Tables) link:presentationLink link:calculationLink link:definitionLink 9955515 - Disclosure - Commitments and Contingencies (Tables) link:presentationLink link:calculationLink link:definitionLink 9955516 - Disclosure - Debt and Credit Facilities (Tables) link:presentationLink link:calculationLink link:definitionLink 9955517 - Disclosure - Related Party Transactions (Tables) link:presentationLink link:calculationLink link:definitionLink 9955518 - Disclosure - Derivatives and Hedging (Tables) link:presentationLink link:calculationLink link:definitionLink 9955519 - Disclosure - Investments in Debt and Equity Securities (Tables) link:presentationLink link:calculationLink link:definitionLink 9955520 - Disclosure - Fair Value Measurements (Tables) link:presentationLink link:calculationLink link:definitionLink 9955521 - Disclosure - Variable Interest Entities (Tables) link:presentationLink link:calculationLink link:definitionLink 9955522 - Disclosure - Revenue (Tables) link:presentationLink link:calculationLink link:definitionLink 9955523 - Disclosure - Stockholders' Equity (Tables) link:presentationLink link:calculationLink link:definitionLink 9955524 - Disclosure - Employee Benefit Plans (Tables) link:presentationLink link:calculationLink link:definitionLink 9955525 - Disclosure - Income Taxes (Tables) link:presentationLink link:calculationLink link:definitionLink 9955526 - Disclosure - Organization and Basis of Presentation (Schedule of Cash and Cash Equivalents) (Details) link:presentationLink link:calculationLink link:definitionLink 9955527 - Disclosure - Organization and Basis of Presentation (Schedule of Inventory) (Details) link:presentationLink link:calculationLink link:definitionLink 9955528 - Disclosure - Organization and Basis of Presentation (Other Noncurrent Assets) (Details) link:presentationLink link:calculationLink link:definitionLink 9955529 - Disclosure - Organization and Basis of Presentation (Accounts Payable Finance Program) (Details) link:presentationLink link:calculationLink link:definitionLink 9955530 - Disclosure - Dispositions (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955531 - Disclosure - Dispositions (Balance Sheet) (Details) link:presentationLink link:calculationLink link:definitionLink 9955532 - Disclosure - Business Segments (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955533 - Disclosure - Business Segments (Business Segment Data) (Details) link:presentationLink link:calculationLink link:definitionLink 9955534 - Disclosure - Regulatory Matters (Regulatory Matters Narrative - Duke Energy Carolinas and Duke Energy Progress) (Details) link:presentationLink link:calculationLink link:definitionLink 9955535 - Disclosure - Regulatory Matters (Regulatory Matters Narrative - Duke Energy Carolinas) (Details) link:presentationLink link:calculationLink link:definitionLink 9955536 - Disclosure - Regulatory Matters (Regulatory Matters Narrative - Duke Energy Progress) (Details) link:presentationLink link:calculationLink link:definitionLink 9955537 - Disclosure - Regulatory Matters (Regulatory Matters Narrative - Duke Energy Florida) (Details) link:presentationLink link:calculationLink link:definitionLink 9955538 - Disclosure - Regulatory Matters (Regulatory Matters Narrative - Duke Energy Ohio) (Details) link:presentationLink link:calculationLink link:definitionLink 9955539 - Disclosure - Regulatory Matters (Regulatory Matters Narrative - Duke Energy Indiana) (Details) link:presentationLink link:calculationLink link:definitionLink 9955540 - Disclosure - Regulatory Matters (Regulatory Matters Narrative - Piedmont) (Details) link:presentationLink link:calculationLink link:definitionLink 9955541 - Disclosure - Commitments and Contingencies (Schedule of Environmental Loss Contingencies) (Details) link:presentationLink link:calculationLink link:definitionLink 9955542 - Disclosure - Commitments and Contingencies (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955543 - Disclosure - Debt and Credit Facilities (Summary of Debt Issuances) (Details) link:presentationLink link:calculationLink link:definitionLink 9955544 - Disclosure - Debt and Credit Facilities (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955545 - Disclosure - Debt and Credit Facilities (Summary of Current Maturities of Long-term Debt) (Details) link:presentationLink link:calculationLink link:definitionLink 9955546 - Disclosure - Debt and Credit Facilities (Schedule of Line of Credit Facilities) (Details) link:presentationLink link:calculationLink link:definitionLink 9955547 - Disclosure - Goodwill (Details) link:presentationLink link:calculationLink link:definitionLink 9955548 - Disclosure - Related Party Transactions (Other Revenue and Expense) (Details) link:presentationLink link:calculationLink link:definitionLink 9955549 - Disclosure - Related Party Transactions (Intercompany Income Taxes) (Details) link:presentationLink link:calculationLink link:definitionLink 9955550 - Disclosure - Derivatives and Hedging (Notional Amounts of Derivative Instruments) (Details) link:presentationLink link:calculationLink link:definitionLink 9955551 - Disclosure - Derivatives and Hedging (Foreign Currency Risk) (Details) link:presentationLink link:calculationLink link:definitionLink 9955552 - Disclosure - Derivatives and Hedging (Location and Fair Value Amounts of Derivatives Reflected in the Condensed Consolidated Balance Sheets) (Details) link:presentationLink link:calculationLink link:definitionLink 9955553 - Disclosure - Derivatives and Hedging (Offsetting Assets) (Details) link:presentationLink link:calculationLink link:definitionLink 9955554 - Disclosure - Derivatives and Hedging (Offsetting Liabilities) (Details) link:presentationLink link:calculationLink link:definitionLink 9955555 - Disclosure - Derivatives and Hedging (Derivative Instruments with Credit-Risk Related Contingent Features and Cash Collateral) (Details) link:presentationLink link:calculationLink link:definitionLink 9955556 - Disclosure - Investments in Debt and Equity Securities (Estimated Fair Value of Investments in Debt and Equity Securities) (Details) link:presentationLink link:calculationLink link:definitionLink 9955557 - Disclosure - Investments in Debt and Equity Securities (Realized Gains and Losses) (Details) link:presentationLink link:calculationLink link:definitionLink 9955558 - Disclosure - Investments in Debt and Equity Securities (Maturities) (Details) link:presentationLink link:calculationLink link:definitionLink 9955559 - Disclosure - Fair Value Measurements (Fair Value Measurement Amounts for Assets and Liabilities) (Details) link:presentationLink link:calculationLink link:definitionLink 9955559 - Disclosure - Fair Value Measurements (Fair Value Measurement Amounts for Assets and Liabilities) (Details) link:presentationLink link:calculationLink link:definitionLink 9955560 - Disclosure - Fair Value Measurements (Reconciliation of Assets and Liabilities Measured At Fair Value On A Recurring Basis Using Unobservable Inputs) (Details) link:presentationLink link:calculationLink link:definitionLink 9955561 - Disclosure - Fair Value Measurements (Quantitative Level 3 Fair Value Disclosures) (Details) link:presentationLink link:calculationLink link:definitionLink 9955562 - Disclosure - Fair Value Measurements (Other Fair Value Disclosure) (Details) link:presentationLink link:calculationLink link:definitionLink 9955563 - Disclosure - Variable Interest Entities (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955564 - Disclosure - Variable Interest Entities (Schedule of Accounts Receivable Securitizations) (Details) link:presentationLink link:calculationLink link:definitionLink 9955565 - Disclosure - Variable Interest Entities (Schedule of Consolidated VIEs) (Details) link:presentationLink link:calculationLink link:definitionLink 9955566 - Disclosure - Revenue (Remaining Performance Obligations) (Details) link:presentationLink link:calculationLink link:definitionLink 9955566 - Disclosure - Revenue (Remaining Performance Obligations) (Details) link:presentationLink link:calculationLink link:definitionLink 9955567 - Disclosure - Revenue (Disaggregation of Revenue) (Details) link:presentationLink link:calculationLink link:definitionLink 9955568 - Disclosure - Revenue (Reserve for Credit Losses for Trade and Other Receivables) (Details) link:presentationLink link:calculationLink link:definitionLink 9955569 - Disclosure - Stockholders' Equity - Earnings Per Share Data (Details) link:presentationLink link:calculationLink link:definitionLink 9955570 - Disclosure - Stockholders' Equity - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955571 - Disclosure - Stockholders' Equity - Equity Issuances Pursuant to Forward Contracts (Details) link:presentationLink link:calculationLink link:definitionLink 9955572 - Disclosure - Employee Benefit Plans - Plan Contributions (Details) link:presentationLink link:calculationLink link:definitionLink 9955573 - Disclosure - Employee Benefit Plans - Net Periodic Pension Costs (Details) link:presentationLink link:calculationLink link:definitionLink 9955574 - Disclosure - Income Taxes (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955575 - Disclosure - Income Taxes (Effective Tax Rates) (Details) link:presentationLink link:calculationLink link:definitionLink