Income Taxes (Tables)

6 Months Ended

Jun. 30, 2013

Effective Income Tax Rates

	Three months ended June 30,		Six months ended June 30,
	2013	2012	2013	2012
DPL	13.3%	51.0%	18.2%	37.4%

DP&L [Member]

Effective Income Tax Rates

	Three months ended June 30,		Six months ended June 30,
	2013	2012	2013	2012
DP&L	17.4%	33.3%	20.9%	32.2%