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Redeemable Stock of Subsidiaries Redeemable Stock of Subsidiaries (Tables) | 12 Months Ended
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Dec. 31, 2017
Temporary Equity Disclosure [Abstract] |
Redeemable Noncontrolling Interest [Table Text Block] | The following table summarizes the Company's redeemable stock of subsidiaries balances as of the periods indicated (in millions):
December 31, | 2017 |  | 2016
IPALCO common stock | $ | 618 |  |  | $ | 618 |
Colon quotas (1) | 159 |  |  | 100 |
IPL preferred stock | 60 |  |  | 60 |
Other common stock | — |  |  | 4 |
Total redeemable stock of subsidiaries | $ | 837 |  |  | $ | 782 |
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(1) | Characteristics of quotas are similar to common stock.
The following table is a reconciliation of changes in redeemable stock of subsidiaries (in millions):
December 31, | 2017 |  | 2016
Balance at the beginning of the period | $ | 782 |  |  | $ | 538 |
Sale of redeemable stock of subsidiaries | — |  |  | 134 |
Contributions from holders of redeemable stock of subsidiaries | 50 |  |  | 130 |
Net loss attributable to redeemable stock of subsidiaries | (14 | ) |  | (11 | )
Fair value adjustment (1) | 25 |  |  | 4 |
Other comprehensive income (loss) attributable to redeemable stock of subsidiaries | (2 | ) |  | 6 |
Acquisition and reclassification of stock of subsidiaries | (4 | ) |  | (19 | )
Balance at the end of the period | $ | 837 |  |  | $ | 782 |
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(1) | $5 million increase in fair value of DP&L preferred shares offset by $1 million decrease in fair value of Colon common stock in 2016.

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- Definition Tabular disclosure of redeemable noncontrolling interest (as defined) included in the statement of financial position as either a liability or temporary equity. As of the date of the statement of financial position, such redeemable noncontrolling interest is currently redeemable, as defined, for cash or other assets of the entity at (1) at a fixed or determinable price on a fixed or determinable date, (2) at the option of the holder of the noncontrolling interest, or (3) upon occurrence of an event that is not solely within the control of the entity. + References No definition available. + Details
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- References No definition available. + Details
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