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Acquisitions (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2022 | Jun. 30, 2021 | Mar. 31, 2021 | Jun. 30, 2022 | Jun. 30, 2021 | Dec. 31, 2021
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Business Combination, Step Acquisition, Equity Interest in Acquiree, Remeasurement Gain |  |  | $ 176 | $ 36 |  |  | $ 212 |
Business Acquisition, Goodwill, Expected Tax Deductible Amount |  |  | 46 | 81 |  |  | 46 |
Business Combination, Consideration Transferred, Including Equity Interest in Acquiree Held Prior to Combination |  |  |  | $ 7 |  |  |  |
Cajuina Wind Complex |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Asset Acquisition, Indemnification Asset, Amount |  |  | 22 |  |  |  | 22 |
Agua Clara |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Asset Acquisition, Indemnification Asset, Amount |  |  | 98 |  |  |  | 98 |
Tunica Windpower LLC |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Asset Acquisition, Indemnification Asset, Amount |  |  | 22 |  |  |  | 22 |
Windor Solar |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Asset Acquisition, Indemnification Asset, Amount | $ 17 |  |  |  | $ 17 |  |  |
Cubico Wind Complex |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Asset Acquisition, Indemnification Asset, Amount |  |  | 109 |  |  |  | 109 |
Other Income [Member] |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Business Combination, Step Acquisition, Equity Interest in Acquiree, Remeasurement Gain | 0 | [1] | 176 |  | 0 | [1] | 212 |
Asset Acquisition of a VIE, Contingent Consideration, Remeasurement Gain | $ 3 |  | $ 0 |  | 3 |  | $ 0 |
AIMco |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners |  |  |  | 25.00% |  |  |  |
sPower [Member] |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Business Combination, Consideration Transferred |  |  |  | $ 104 |  |  |  |
Fluence [Member] |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Equity Method Investment, Ownership Percentage |  |  | 43.20% | 50.00% |  |  | 43.20% | 34.20%
Cajuina Wind Complex |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Payments to Acquire Businesses, Gross |  |  |  |  |  |  | $ 6 |
Great Cove Solar I |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Asset Acquisition, Purchase Price |  |  |  |  |  |  | 13 |
Asset Acquisition, Contingent Consideration, Liability |  |  | $ 6 |  |  |  | 6 |
Great Cove Solar II |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Asset Acquisition, Purchase Price |  |  |  |  |  |  | 24 |
Asset Acquisition, Contingent Consideration, Liability |  |  | $ 22 |  |  |  | $ 22 |
Windor Solar |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Asset Acquisition, Consideration Transferred, Contingent Consideration |  |  |  |  | 5 |  |  |
Tunica Windpower LLC |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Asset Acquisition, Consideration Transferred, Contingent Consideration |  |  |  |  | $ 7 |  |  |
Series of Individually Immaterial Business Acquisitions |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Business Acquisition, Percentage of Voting Interests Acquired |  |  | 75.00% |  |  |  | 75.00% |
Business Combination, Step Acquisition, Equity Interest in Acquiree, Including Subsequent Acquisition, Percentage |  |  |  | 25.00% |  |  |  |
Windor Solar |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Business Acquisition, Percentage of Voting Interests Acquired | 100.00% |  |  |  | 100.00% |  |  |
Agua Clara |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Business Acquisition, Percentage of Voting Interests Acquired | 100.00% |  |  |  | 100.00% |  |  |
Tunica Windpower LLC |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Business Acquisition, Percentage of Voting Interests Acquired | 100.00% |  |  |  | 100.00% |  |  |
[1] | Related to the remeasurement of our existing investment in 5B, accounted for using the measurement alternative. (2) Primarily related to insurance recoveries associated with property damage at TermoAndes. (3) Related to the remeasurement of our existing equity interest in sPower’s development platform as part of the step acquisition to form AES Clean Energy Development. See Note 18—Acquisitions for further information. (4) Related to a full allowance recognized on a sales-type lease receivable at AES Gilbert due to a fire incident in April 2022.

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