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Cumulative Preferred Stock of Subsidiaries (Narrative) (Details) (USD $) In Millions, except Per Share data, unless otherwise specified | Dec. 31, 2013 | Dec. 31, 2012
--- | --- | ---
Temporary Equity [Line Items] |  |
Cumulative preferred stock of subsidiaries | $ 78 | $ 78
IPL Subsidiary |  |
Temporary Equity [Line Items] |  |
Temporary equity carrying amount | 60 | 60
Number of preferred stock series | 5 |
Temporary equity annual dividend requirement | 3 | 3
Number of consecutive quarters without paid dividends to invoke board of directors election rule | 4 |
IPL Subsidiary | Minimum |  |
Temporary Equity [Line Items] |  |
Temporary equity, redemption price per share | $ 100 |
IPL Subsidiary | Maximum |  |
Temporary Equity [Line Items] |  |
Temporary equity, redemption price per share | $ 118 |
DPL Subsidiary |  |
Temporary Equity [Line Items] |  |
Temporary equity carrying amount | 18 | 18
Number of preferred stock series | 3 |
Temporary equity annual dividend requirement | $ 1 |
Number of quarters cumulative dividends in arrears to invoke board of directors election rule | 4 |
DPL Subsidiary | Minimum |  |
Temporary Equity [Line Items] |  |
Temporary equity, redemption price per share | $ 101 |
DPL Subsidiary | Maximum |  |
Temporary Equity [Line Items] |  |
Temporary equity, redemption price per share | $ 103 |

X
- Definition Number of Consecutive Quarters Without Paid Dividends To Invoke Board of Directors Election Rule + References No definition available. + Details
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- Definition Number of Preferred Stock Series + References No definition available. + Details
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- Definition Carrying amount, attributable to noncontrolling interests, of an entity's issued and outstanding stock which is not included within permanent equity. Temporary equity is a security with redemption features that are outside the control of the issuer, is not classified as an asset or liability in conformity with GAAP, and is not mandatorily redeemable. Includes any type of security that is redeemable at a fixed or determinable price or on a fixed or determinable date or dates, is redeemable at the option of the holder, or has conditions for redemption which are not solely within the control of the issuer. Includes stock with a put option held by an ESOP and stock redeemable by a holder only in the event of a change in control of the issuer. + References No definition available. + Details
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- Definition Carrying amount, attributable to parent and noncontrolling interests, of an entity's issued and outstanding stock which is not included within permanent equity. Temporary equity is a security with redemption features that are outside the control of the issuer, is not classified as an asset or liability in conformity with GAAP, and is not mandatorily redeemable. Includes any type of security that is redeemable at a fixed or determinable price or on a fixed or determinable date or dates, is redeemable at the option of the holder, or has conditions for redemption which are not solely within the control of the issuer. Includes stock with a put option held by an ESOP and stock redeemable by a holder only in the event of a change in control of the issuer. + References No definition available. + Details
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- Details
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- Definition Amount to be paid per share that is classified as temporary equity by entity upon redemption. Temporary equity is a security with redemption features that are outside the control of the issuer, is not classified as an asset or liability in conformity with GAAP, and is not mandatorily redeemable. Includes any type of security that is redeemable at a fixed or determinable price or on a fixed or determinable date or dates, is redeemable at the option of the holder, or has conditions for redemption which are not solely within the control of the issuer. If convertible, the issuer does not control the actions or events necessary to issue the maximum number of shares that could be required to be delivered under the conversion option if the holder exercises the option to convert the stock to another class of equity. If the security is a warrant or a rights issue, the warrant or rights issue is considered to be temporary equity if the issuer cannot demonstrate that it would be able to deliver upon the exercise of the option by the holder in all cases. Includes stock with put option held by ESOP and stock redeemable by holder only in the event of a change in control of the issuer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 28 -Article 5 + Details
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