Income Taxes (Tables)

6 Months Ended

Jun. 30, 2016

Entity Information [Line Items]

Schedule of Effective Income Tax Rates

The following table details the effective tax rates for the three and six months ended June 30, 2016 and 2015.

	Three months ended		Six months ended
	June 30,		June 30,
	2016	2015	2016	2015
DPL	39.2%	28.2%	39.5%	28.8%

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 six months ended June 30, 2016 and 2015.

	Three months ended		Six months ended
	June 30,		June 30,
	2016	2015	2016	2015
DP&L	36.4%	28.2%	36.9%	28.6%