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Income Taxes | 3 Months Ended
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Mar. 31, 2019
Income Tax Disclosure [Abstract] |
Income Taxes | INCOME TAXES EFFECTIVE TAX RATES The effective tax rates from continuing operations for each of the Duke Energy Registrants are included in the following table.
| Three Months Ended
| March 31,
| 2019 |  |  | 2018 |
Duke Energy | 9.6 | % |  | 22.5 | %
Duke Energy Carolinas | 17.7 | % |  | 22.0 | %
Progress Energy | 17.3 | % |  | 13.2 | %
Duke Energy Progress | 17.8 | % |  | 14.1 | %
Duke Energy Florida | 19.3 | % |  | 16.3 | %
Duke Energy Ohio | 16.9 | % |  | 32.4 | %
Duke Energy Indiana | 24.1 | % |  | 25.9 | %
Piedmont | 21.8 | % |  | 24.1 | %
The decrease in the ETR for Duke Energy is primarily due to a one-time valuation allowance charge in the prior year, an adjustment related to the income tax recognition for equity method investments recorded in the first quarter of 2019 and the amortization of excess deferred taxes. This adjustment was immaterial and relates to prior years. The decrease in the ETR for Duke Energy Carolinas is primarily due to the amortization of excess deferred taxes. The increase in the ETR for Progress Energy is primarily due to a reduction in AFUDC equity and lower amortization of excess deferred taxes in the current year. The increase in the ETR for Duke Energy Progress is primarily due to lower amortization of excess deferred taxes in the current year. The increase in the ETR for Duke Energy Florida is primarily due to a reduction in AFUDC equity in the current year. The decrease in the ETR for Duke Energy Ohio is primarily due to the amortization of excess deferred taxes. The decrease in the ETR for Duke Energy Indiana is primarily due to the amortization of excess deferred taxes. The decrease in the ETR for Piedmont is primarily due to the amortization of excess deferred taxes.

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- Definition The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -URI http://asc.fasb.org/topic&trid=2144680 + Details
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