Income Taxes (Tables)

3 Months Ended

Mar. 31, 2016

Entity Information [Line Items]

Schedule of Effective Income Tax Rates

The following table details the effective tax rates for the three months ended March 31, 2016 and 2015.

	Three months ended
	March 31,
	2016	2015
DPL	21.4%	29.1%

THE DAYTON POWER AND LIGHT COMPANY [Member]

Entity Information [Line Items]

Schedule of Effective Income Tax Rates

The following table details the effective tax rates for the three months ended March 31, 2016 and 2015.

	Three months ended
	March 31,
	2016	2015
DP&L	26.9%	29.0%