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Fair Value (Nonrecurring Measurements) (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021 | Apr. 12, 2019
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Other Asset Impairment Charges |  | $ 50 | $ 29 | $ 533 | $ 1,374 |
AES Puerto Rico |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Assets Carrying Amount Disclosure Nonrecurring |  |  | 73 |  | 73 |
Ventanas [Domain] |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Assets Carrying Amount Disclosure Nonrecurring |  | 12 |  | 12 |  |
Angamos [Member] |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Assets Carrying Amount Disclosure Nonrecurring |  | 86 |  | 86 |  |
Maritza |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Assets Carrying Amount Disclosure Nonrecurring |  | 452 |  | 452 |  |
Jordan (IPP1 & IPP4) |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Selling Expense |  |  |  | 5 |  |
Long Lived Assets Held And Used [Member] | AES Puerto Rico |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Other Asset Impairment Charges |  |  |  |  | 475 |
Long Lived Assets Held And Used [Member] | Ventanas [Domain] |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Other Asset Impairment Charges |  |  |  |  | 67 |
Long Lived Assets Held And Used [Member] | Angamos [Member] |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Other Asset Impairment Charges |  | 0 | 0 | 0 | 155 |
Long Lived Assets Held And Used [Member] | Ventanas 3 & 4 |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Other Asset Impairment Charges |  | 0 | 0 | 0 | 649 |
Long Lived Assets Held And Used [Member] | Maritza |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Other Asset Impairment Charges |  | 0 | 0 | 468 | 0 |
Long Lived Assets Held And Used [Member] | Jordan (IPP1 & IPP4) |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Other Asset Impairment Charges |  | $ 51 | 0 | $ 51 | 0 |
Long Lived Assets Held And Used [Member] | Kilroot and Ballylumford [Member] |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Assets Carrying Amount Disclosure Nonrecurring | [1] |  |  |  |  | $ 17
Other Asset Impairment Charges |  |  |  |  | 11 |
Long Lived Assets Held And Used [Member] | Estimate of Fair Value Measurement [Member] |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Assets Carrying Amount Disclosure Nonrecurring |  |  | 452 |  | 452 |
Long Lived Assets Held And Used [Member] | Estimate of Fair Value Measurement [Member] | AES Puerto Rico |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Assets Carrying Amount Disclosure Nonrecurring |  |  | 548 |  | 548 |
Long Lived Assets Held And Used [Member] | Estimate of Fair Value Measurement [Member] | AES Puerto Rico | Level 1 [Member] |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Assets Carrying Amount Disclosure Nonrecurring |  |  | 0 |  | 0 |
Long Lived Assets Held And Used [Member] | Estimate of Fair Value Measurement [Member] | AES Puerto Rico | Level 2 [Member] |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Assets Carrying Amount Disclosure Nonrecurring |  |  | 0 |  | 0 |
Long Lived Assets Held And Used [Member] | Estimate of Fair Value Measurement [Member] | AES Puerto Rico | Level 3 [Member] |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Assets Carrying Amount Disclosure Nonrecurring |  |  | 73 |  | 73 |
Long Lived Assets Held And Used [Member] | Estimate of Fair Value Measurement [Member] | Ventanas [Domain] |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Assets Carrying Amount Disclosure Nonrecurring |  |  | 78 |  | 78 |
Long Lived Assets Held And Used [Member] | Estimate of Fair Value Measurement [Member] | Ventanas [Domain] | Level 1 [Member] |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Assets Carrying Amount Disclosure Nonrecurring |  |  | 0 |  | 0 |
Long Lived Assets Held And Used [Member] | Estimate of Fair Value Measurement [Member] | Ventanas [Domain] | Level 2 [Member] |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Assets Carrying Amount Disclosure Nonrecurring |  |  | 0 |  | 0 |
Long Lived Assets Held And Used [Member] | Estimate of Fair Value Measurement [Member] | Ventanas [Domain] | Level 3 [Member] |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Assets Carrying Amount Disclosure Nonrecurring |  |  | 11 |  | 11 |
Long Lived Assets Held And Used [Member] | Estimate of Fair Value Measurement [Member] | Angamos [Member] |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Assets Carrying Amount Disclosure Nonrecurring |  |  | 241 |  | 241 |
Long Lived Assets Held And Used [Member] | Estimate of Fair Value Measurement [Member] | Angamos [Member] | Level 1 [Member] |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Assets Carrying Amount Disclosure Nonrecurring |  |  | 0 |  | 0 |
Long Lived Assets Held And Used [Member] | Estimate of Fair Value Measurement [Member] | Angamos [Member] | Level 2 [Member] |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Assets Carrying Amount Disclosure Nonrecurring |  |  | 0 |  | 0 |
Long Lived Assets Held And Used [Member] | Estimate of Fair Value Measurement [Member] | Angamos [Member] | Level 3 [Member] |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Assets Carrying Amount Disclosure Nonrecurring |  |  | 86 |  | 86 |
Long Lived Assets Held And Used [Member] | Estimate of Fair Value Measurement [Member] | Ventanas 3 & 4 |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Assets Carrying Amount Disclosure Nonrecurring |  |  | 661 |  | 661 |
Long Lived Assets Held And Used [Member] | Estimate of Fair Value Measurement [Member] | Ventanas 3 & 4 | Level 1 [Member] |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Assets Carrying Amount Disclosure Nonrecurring |  |  | 0 |  | 0 |
Long Lived Assets Held And Used [Member] | Estimate of Fair Value Measurement [Member] | Ventanas 3 & 4 | Level 2 [Member] |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Assets Carrying Amount Disclosure Nonrecurring |  |  | 0 |  | 0 |
Long Lived Assets Held And Used [Member] | Estimate of Fair Value Measurement [Member] | Ventanas 3 & 4 | Level 3 [Member] |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Assets Carrying Amount Disclosure Nonrecurring |  |  | 12 |  | 12 |
Long Lived Assets Held And Used [Member] | Estimate of Fair Value Measurement [Member] | Maritza |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Assets Carrying Amount Disclosure Nonrecurring |  |  | 920 |  | 920 |
Long Lived Assets Held And Used [Member] | Estimate of Fair Value Measurement [Member] | Maritza | Level 1 [Member] |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Assets Carrying Amount Disclosure Nonrecurring |  |  | 0 |  | 0 |
Long Lived Assets Held And Used [Member] | Estimate of Fair Value Measurement [Member] | Maritza | Level 2 [Member] |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Assets Carrying Amount Disclosure Nonrecurring |  |  | 0 |  | 0 |
Long Lived Assets Held And Used [Member] | Estimate of Fair Value Measurement [Member] | Maritza | Level 3 [Member] |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Assets Carrying Amount Disclosure Nonrecurring |  |  | 452 |  | 452 |
Long Lived Assets Held And Used [Member] | Estimate of Fair Value Measurement [Member] | Jordan (IPP1 & IPP4) |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Assets Carrying Amount Disclosure Nonrecurring |  |  | 216 |  | 216 |
Long Lived Assets Held And Used [Member] | Estimate of Fair Value Measurement [Member] | Jordan (IPP1 & IPP4) | Level 1 [Member] |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Assets Carrying Amount Disclosure Nonrecurring |  |  | 0 |  | 0 |
Long Lived Assets Held And Used [Member] | Estimate of Fair Value Measurement [Member] | Jordan (IPP1 & IPP4) | Level 2 [Member] |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Assets Carrying Amount Disclosure Nonrecurring |  |  | 170 |  | 170 |
Long Lived Assets Held And Used [Member] | Estimate of Fair Value Measurement [Member] | Jordan (IPP1 & IPP4) | Level 3 [Member] |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Assets Carrying Amount Disclosure Nonrecurring |  |  | $ 0 |  | $ 0 |
Long Lived Assets Held And Used [Member] | Estimate of Fair Value Measurement [Member] | Kilroot and Ballylumford [Member] | Level 1 [Member] |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Assets Carrying Amount Disclosure Nonrecurring |  |  |  |  |  | 0
Long Lived Assets Held And Used [Member] | Estimate of Fair Value Measurement [Member] | Kilroot and Ballylumford [Member] | Level 2 [Member] |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Assets Carrying Amount Disclosure Nonrecurring |  |  |  |  |  | 6
Long Lived Assets Held And Used [Member] | Estimate of Fair Value Measurement [Member] | Kilroot and Ballylumford [Member] | Level 3 [Member] |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Assets Carrying Amount Disclosure Nonrecurring |  |  |  |  |  | $ 0
Measurement Input, Long-term Revenue Growth Rate [Member] | Valuation, Income Approach [Member] | Property, Plant and Equipment [Member] | Weighted Average [Member] | Maritza |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Fair Value Measurement Inputs, Nonrecurring |  |  |  | (11.00%) |  |
Measurement Input, Long-term Revenue Growth Rate [Member] | Valuation, Income Approach [Member] | Property, Plant and Equipment [Member] | Maximum [Member] | Maritza |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Fair Value Measurement Inputs, Nonrecurring |  |  |  | 11.00% |  |
Measurement Input, Long-term Revenue Growth Rate [Member] | Valuation, Income Approach [Member] | Property, Plant and Equipment [Member] | Minimum [Member] | Maritza |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Fair Value Measurement Inputs, Nonrecurring |  |  |  | (66.00%) |  |
Measurement Input, Discount Rate [Member] | Valuation, Income Approach [Member] | Property, Plant and Equipment [Member] | Weighted Average [Member] | Maritza |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Fair Value Measurement Inputs, Nonrecurring |  |  |  | 21.00% |  |
Measurement Input, Discount Rate [Member] | Valuation, Income Approach [Member] | Property, Plant and Equipment [Member] | Maximum [Member] | Maritza |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Fair Value Measurement Inputs, Nonrecurring |  |  |  | 25.00% |  |
Measurement Input, Discount Rate [Member] | Valuation, Income Approach [Member] | Property, Plant and Equipment [Member] | Minimum [Member] | Maritza |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Fair Value Measurement Inputs, Nonrecurring |  |  |  | 20.00% |  |
Measurement Input, Variable Margin | Valuation, Income Approach [Member] | Property, Plant and Equipment [Member] | Weighted Average [Member] | Maritza |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Fair Value Measurement Inputs, Nonrecurring |  |  |  | (1.00%) |  |
Measurement Input, Variable Margin | Valuation, Income Approach [Member] | Property, Plant and Equipment [Member] | Maximum [Member] | Maritza |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Fair Value Measurement Inputs, Nonrecurring |  |  |  | 23.00% |  |
Measurement Input, Variable Margin | Valuation, Income Approach [Member] | Property, Plant and Equipment [Member] | Minimum [Member] | Maritza |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Fair Value Measurement Inputs, Nonrecurring |  |  |  | (66.00%) |  |
[1] | Represents the carrying values at the dates of measurement, before fair value adjustment. (2)See Note 17 — Held-for-Sale and Dispositions for further information. (3)The Jordan disposal group was written down to it’s fair value of $170 million. The resulting pre-tax loss of $51 million includes costs to sell of $5 million. The following table summarizes the significant unobservable inputs used in the Level 3 measurement of long-lived assets held and used measured on a nonrecurring basis during the nine months ended September 30, 2022 (in millions, except range amounts):
| Fair Value |  | Valuation Technique |  | Unobservable Input |  | Range (Weighted Average)
Long-lived assets held and used: |  |  |  |  |  |  |
Maritza | $ | 452 |  |  | Discounted cash flow |  | Annual revenue growth |  | (66)% to 11% (-11%)
|  |  |  |  | Annual variable margin |  | (66)% to 23% (-1%)
|  |  |  |  | Weighted-average cost of capital |  | 20% to 25% (21%)
Total | $ | 452 |  |  |  |  |  |  |

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