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Income Taxes | 6 Months Ended
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Jun. 30, 2019
Income Tax Disclosure [Abstract] |
Income Taxes | INCOME TAXES EFFECTIVE TAX RATES The ETRs from continuing operations for each of the Duke Energy Registrants are included in the following table.
| Three Months Ended |  | Six Months Ended
| June 30, |  | June 30,
| 2019 |  |  | 2018 |  |  | 2019 |  |  | 2018 |
Duke Energy | 15.9 | % |  | 16.5 | % |  | 12.6 | % |  | 19.9 | %
Duke Energy Carolinas | 19.7 | % |  | 21.5 | % |  | 18.7 | % |  | 21.8 | %
Progress Energy | 16.7 | % |  | 17.3 | % |  | 17.0 | % |  | 15.4 | %
Duke Energy Progress | 16.3 | % |  | 20.1 | % |  | 17.1 | % |  | 16.8 | %
Duke Energy Florida | 19.6 | % |  | 18.0 | % |  | 19.5 | % |  | 17.4 | %
Duke Energy Ohio | 16.1 | % |  | 25.8 | % |  | 16.5 | % |  | 16.0 | %
Duke Energy Indiana | 24.2 | % |  | 25.8 | % |  | 24.2 | % |  | 25.8 | %
Piedmont | 22.2 | % |  | 27.3 | % |  | 21.8 | % |  | 23.9 | %
The decrease in the ETR for Duke Energy for the six months ended June 30, 2019, 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 an increase in the amortization of excess deferred taxes. The equity method investment adjustment was immaterial and relates to prior years. The decrease in the ETR for Duke Energy Carolinas for the three and six months ended June 30, 2019, is primarily due to an increase in the amortization of excess deferred taxes. The increase in the ETR for Progress Energy for the six months ended June 30, 2019, is primarily due to a decrease in AFUDC equity in the current year. The decrease in the ETR for Duke Energy Progress for the three months ended June 30, 2019, is primarily due to an increase in the amortization of excess deferred taxes. The increase in the ETR for Duke Energy Florida for the three and six months ended June 30, 2019, is primarily due to a decrease in AFUDC equity in the current year. The decrease in the ETR for Duke Energy Ohio for the three months ended June 30, 2019, is primarily due to an increase in the amortization of excess deferred taxes. The decrease in the ETR for Duke Energy Indiana for the three and six months ended June 30, 2019, is primarily due to an increase in the amortization of excess deferred taxes. The decrease in the ETR for Piedmont for the three months ended June 30, 2019, is primarily due to lower state tax rates. The decrease in the ETR for the six months ended June 30, 2019, is primarily due to an increase in 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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