Income Taxes (Tables)

6 Months Ended

Jun. 30, 2012

Income Taxes [Abstract]

Schedule of Effective Income Tax Rates (Text Block)

	Three Months Ended June 30,				Six Months Ended June 30,
	2012		2011		2012		2011
	Successor		Predecessor		Successor		Predecessor
DPL	51.0	%	34.0	%	37.4	%	35.3	%

Effective Income Tax Rates

	Three Months Ended June 30,				Six Months Ended June 30,
	2012		2011		2012		2011
	Successor		Predecessor		Successor		Predecessor
DPL	51.0	%	34.0	%	37.4	%	35.3	%