Redeemable Preferred Stock of Subsidiary (Notes)	9 Months Ended
Sep. 30, 2016
Redeemable Preferred Stock of Subsidiary [Abstract]
Preferred Stock [Text Block]	Redeemable Preferred Stock of Subsidiary On October 13, 2016 (the "Redemption Date"), DPL's subsidiary, DP&L, redeemed all of its issued and outstanding preferred stock, consisting of the following series: Preferred Stock, 3.75% Series A, Cumulative (the “Series A Stock”); Preferred Stock, 3.75% Series B, Cumulative (the “Series B Stock”); and Preferred Stock, 3.90% Series C, Cumulative (the “Series C Stock” and, together with the Series A Stock and the Series B Stock, the “Preferred Stock”). On the Redemption Date, the Preferred Stock of each series was redeemed at the following prices as specified in DP&L’s Amended and Restated Articles of Incorporation, plus, in each case an amount equal to all accrued dividends payable with respect to such Preferred Stock to the Redemption Date: a price of $102.50 per share for the Series A Stock, a price of $103.00 per share for the Series B Stock, and a price of $101.00 per share for the Series C Stock. Dividends on the Preferred Stock ceased to accrue on the Redemption Date. Upon redemption, the Preferred Stock is no longer outstanding, and all rights of the holders thereof as shareholders of DP&L, except the right to payment of the redemption price, ceased to exist. As we issued the notice to redeem the preferred stock of DP&L in the third quarter, the $23.5 million redemption value was included in Other Current Liabilities as of September 30, 2016. The difference between the carrying value of the Redeemable Preferred Stock of Subsidiary and the redemption amount was charged to Other paid-in capital. In addition, with DP&L preferred stock no longer outstanding, certain provisions in DP&L's Amended Articles of Incorporation which could limit the payment of cash dividends on any of its common stock, no longer apply.

Redeemable Preferred Stock of Subsidiary

On October 13, 2016 (the "Redemption Date"), DPL's subsidiary, DP&L, redeemed all of its issued and outstanding preferred stock, consisting of the following series: Preferred Stock, 3.75% Series A, Cumulative (the “Series A Stock”); Preferred Stock, 3.75% Series B, Cumulative (the “Series B Stock”); and Preferred Stock, 3.90% Series C, Cumulative (the “Series C Stock” and, together with the Series A Stock and the Series B Stock, the “Preferred Stock”). On the Redemption Date, the Preferred Stock of each series was redeemed at the following prices as specified in DP&L’s Amended and Restated Articles of Incorporation, plus, in each case an amount equal to all accrued dividends payable with respect to such Preferred Stock to the Redemption Date: a price of $102.50 per share for the Series A Stock, a price of $103.00 per share for the Series B Stock, and a price of $101.00 per share for the Series C Stock. Dividends on the Preferred Stock ceased to accrue on the Redemption Date. Upon redemption, the Preferred Stock is no longer outstanding, and all rights of the holders thereof as shareholders of DP&L, except the right to payment of the redemption price, ceased to exist.

As we issued the notice to redeem the preferred stock of DP&L in the third quarter, the $23.5 million redemption value was included in Other Current Liabilities as of September 30, 2016. The difference between the carrying value of the Redeemable Preferred Stock of Subsidiary and the redemption amount was charged to Other paid-in capital.

In addition, with DP&L preferred stock no longer outstanding, certain provisions in DP&L's Amended Articles of Incorporation which could limit the payment of cash dividends on any of its common stock, no longer apply.