Income Taxes (Tables)

3 Months Ended

Mar. 31, 2017

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
	March 31,
	2017		2016
Duke Energy	32.4	%	30.4	%
Duke Energy Carolinas	35.4	%	34.1	%
Progress Energy	34.1	%	36.7	%
Duke Energy Progress	34.1	%	35.4	%
Duke Energy Florida	36.6	%	37.9	%
Duke Energy Ohio	35.4	%	26.9	%
Duke Energy Indiana	39.3	%	30.2	%
Piedmont	37.9	%	38.0	%