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v3.20.2

Income Taxes (Effective Tax Rates) (Details) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2020 | Sep. 30, 2019 | Sep. 30, 2020 | Sep. 30, 2019
Reconciliation of Income Tax Expense at the U.S. Federal Statutory Tax Rate to the Actual Tax Expense from Continuing Operations [Abstract] |  |  |  |
Effective tax rate | 7.80% | 12.40% | (6.40%) | 12.50%
Duke Energy Carolinas |  |  |  |
Reconciliation of Income Tax Expense at the U.S. Federal Statutory Tax Rate to the Actual Tax Expense from Continuing Operations [Abstract] |  |  |  |
Effective tax rate | 12.00% | 16.70% | 13.60% | 17.70%
Progress Energy |  |  |  |
Reconciliation of Income Tax Expense at the U.S. Federal Statutory Tax Rate to the Actual Tax Expense from Continuing Operations [Abstract] |  |  |  |
Effective tax rate | 10.40% | 15.30% | 13.40% | 16.20%
Duke Energy Progress |  |  |  |
Reconciliation of Income Tax Expense at the U.S. Federal Statutory Tax Rate to the Actual Tax Expense from Continuing Operations [Abstract] |  |  |  |
Effective tax rate | 3.10% | 14.70% | 10.00% | 16.10%
Duke Energy Florida |  |  |  |
Reconciliation of Income Tax Expense at the U.S. Federal Statutory Tax Rate to the Actual Tax Expense from Continuing Operations [Abstract] |  |  |  |
Effective tax rate | 21.40% | 16.50% | 20.30% | 18.00%
Duke Energy Ohio |  |  |  |
Reconciliation of Income Tax Expense at the U.S. Federal Statutory Tax Rate to the Actual Tax Expense from Continuing Operations [Abstract] |  |  |  |
Effective tax rate | 16.70% | 12.90% | 16.60% | 15.20%
Duke Energy Indiana |  |  |  |
Reconciliation of Income Tax Expense at the U.S. Federal Statutory Tax Rate to the Actual Tax Expense from Continuing Operations [Abstract] |  |  |  |
Effective tax rate | 19.60% | 23.20% | 19.40% | 23.70%
Piedmont Natural Gas |  |  |  |
Reconciliation of Income Tax Expense at the U.S. Federal Statutory Tax Rate to the Actual Tax Expense from Continuing Operations [Abstract] |  |  |  |
Effective tax rate | 16.70% | 35.70% | 3.70% | 18.50%

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- Definition Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319 + Details
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