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Redeemable Stocks of Subsidiaries (Notes) | 6 Months Ended
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Jun. 30, 2021
Redeemable Stock of Subsidiaries [Abstract] |
Redeemable Noncontrolling Interest [Table Text Block] | REDEEMABLE STOCK OF SUBSIDIARIES The following table summarizes the Company’s redeemable stock of subsidiaries balances as of the periods indicated (in millions):
| June 30, 2021 |  | December 31, 2020
IPALCO common stock | $ | 618 |  |  | $ | 618 |
AES Clean Energy Development common stock | 256 |  |  | — |
Colon quotas (1) | 215 |  |  | 194 |
AES Indiana preferred stock | 60 |  |  | 60 |
Total redeemable stock of subsidiaries | $ | 1,149 |  |  | $ | 872 |
_____________________________ (1)Characteristics of quotas are similar to common stock. AES Clean Energy Development — On February 1, 2021, the Company substantially completed the merger of the sPower and AES Distributed Energy development platforms to form AES Clean Energy Development, which will serve as the development vehicle for all future renewable projects in the U.S. As part of the transaction, AlMCo, our existing partner in the sPower equity method investment, received a 25% minority ownership interest in the newly formed entity along with certain partnership rights, though not currently in effect, that would enable AIMCo to exit in the future. As a result, the minority ownership interest is considered temporary equity. During the second quarter of 2021, the Company recorded measurement period adjustments to the estimated fair values of the sPower and AES Distributed Energy development platforms and the value of the partnership rights initially recorded in the first quarter of 2021, which resulted in a $81 million increase in the value of the temporary equity. These measurement period adjustments primarily relate to higher expected developer profits and a higher growth rate, reflective of additional information that became available regarding market participants’ views of the value of early-stage renewable development projects as of the date of acquisition. The temporary equity will be adjusted for earnings or losses allocated to the noncontrolling interest under ASC 810. Any subsequent changes in the redemption value of the exit rights will be recognized against permanent equity in accordance with ASC 480-10-S99, as it is probable that the shares will become redeemable. See Note 18—Acquisitions for further information.

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- Definition Redeemable Stock of Subsidiaries [Abstract] + References No definition available. + Details
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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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