Income Taxes (Tables)

6 Months Ended

Jun. 30, 2018

Income Tax Disclosure [Abstract]

Summary of 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				Six Months Ended
	June 30,				June 30,
	2018		2017		2018		2017
Duke Energy	16.5	%	32.1	%	19.9	%	32.3	%
Duke Energy Carolinas	21.5	%	34.7	%	21.8	%	35.0	%
Progress Energy	17.3	%	33.4	%	15.4	%	33.7	%
Duke Energy Progress	20.1	%	31.9	%	16.8	%	33.0	%
Duke Energy Florida	18.0	%	36.8	%	17.4	%	36.7	%
Duke Energy Ohio	25.8	%	34.8	%	16.0	%	35.1	%
Duke Energy Indiana	25.8	%	39.4	%	25.8	%	39.4	%
Piedmont	27.3	%	38.5	%	23.9	%	37.9	%