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Risks and Uncertainties (Notes) | 3 Months Ended
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Mar. 31, 2022
Risks and Uncertainties [Abstract] |
Unusual Risks and Uncertainties [Table Text Block] | RISKS AND UNCERTAINTIES COVID-19 Pandemic — The COVID-19 pandemic has severely impacted global economic activity, including electricity and energy consumption, and caused significant volatility and negative pressure in financial markets. The magnitude and duration of the COVID-19 pandemic is unknown at this time and may have material and adverse effects on our results of operations, financial condition, and cash flows in future periods. Alto Maipo — On August 27, 2021, Alto Maipo updated its creditors with respect to the construction budget and long-term business plan for the project, which considers different scenarios for spot prices, decarbonization initiatives, and hydrological conditions, among other significant variables. Under some of these scenarios, Alto Maipo may experience reduced future cash flows, which would limit its ability to repay debt. Alto Maipo’s management initiated negotiations with its creditors to restructure its obligations and achieve a sustainable long-term capital structure for Alto Maipo. On November 17, 2021, Alto Maipo SpA commenced a reorganization proceeding in accordance with Chapter 11 of the U.S. Bankruptcy Code, through a voluntary petition. Consequently, after the Chapter 11 filing, the Company is no longer considered to have control over Alto Maipo, which resulted in its deconsolidation. The Company recognized an after-tax loss of approximately $1.2 billion, net of noncontrolling interests, in the Consolidated Statement of Operations in the fourth quarter of 2021, associated with the loss of control attributable to the former controlling interest. Alto Maipo is party to a restructuring support agreement to which holders of more than 78% of the outstanding senior indebtedness are party, and which contemplates a plan of reorganization in which AES Andes will own all of the equity of the reorganized company. If Alto Maipo is unable to renegotiate the terms of its financial arrangements with its creditors and is unable to meet its obligations under those arrangements as they come due, the creditors may enforce their rights under the credit agreements. These finance agreements are non-recourse with respect to The AES Corporation.

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