Income Taxes (Tables)

9 Months Ended

Sep. 30, 2015

Entity Information [Line Items]

Schedule of Effective Income Tax Rates

The following table details the effective tax rates for the three and nine months ended September 30, 2015 and 2014.

	Three months ended		Nine months ended
	September 30,		September 30,
	2015	2014	2015	2014
DPL	3.4%	(71.5)%	18.6%	(34.2)%

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 and nine months ended September 30, 2015 and 2014.

	Three months ended September 30,		Nine months ended September 30,
	2015	2014	2015	2014
DP&L	4.9%	19.8%	24.8%	23.2%