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Acquisitions Acquistions (Details) - USD ($) $ in Millions | 6 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2024 | Sep. 30, 2024 | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Business Acquisition [Line Items] |  |  |  |  |
Asset Acquisition, Consideration Transferred |  | $ 6 |  |  |
Asset Acquisition, Contingent Consideration [Line Items] |  |  |  |  |
Additional Paid in Capital | $ 7,067 | 6,949 | $ 5,913 | $ 6,355 |
Non Recourse Debt Non Current | 20,232 | 19,666 | 20,626 | 18,482 |
Asset Acquisition, Consideration Transferred, Contingent Consideration |  | $ 47 |  |  |
Finite-lived Intangible Assets Acquired |  |  | 266 | 536 |
Cubico II |  |  |  |  |
Asset Acquisition, Contingent Consideration [Line Items] |  |  |  |  |
Payments to Acquire Productive Assets |  |  |  | 185 |
Windsor Solar |  |  |  |  |
Asset Acquisition, Contingent Consideration [Line Items] |  |  |  |  |
Asset Acquisition, Consideration Transferred, Contingent Consideration |  |  |  | 5 |
Asset Acquisition, Indemnification Asset, Amount |  |  |  | 17 |
Tunica Windpower LLC |  |  |  |  |
Asset Acquisition, Contingent Consideration [Line Items] |  |  |  |  |
Asset Acquisition, Consideration Transferred, Contingent Consideration |  |  |  | 7 |
Asset Acquisition, Indemnification Asset, Amount |  |  |  | 22 |
Agua Clara |  |  |  |  |
Asset Acquisition, Contingent Consideration [Line Items] |  |  |  |  |
Asset Acquisition, Indemnification Asset, Amount |  |  |  | 98 |
Calhoun |  |  |  |  |
Asset Acquisition, Contingent Consideration [Line Items] |  |  |  |  |
Asset Acquisition, Indemnification Asset, Amount |  |  | 64 |  |
Bellefield |  |  |  |  |
Asset Acquisition, Contingent Consideration [Line Items] |  |  |  |  |
Asset Acquisition, Indemnification Asset, Amount |  |  | 358 |  |
Rexford |  |  |  |  |
Asset Acquisition, Contingent Consideration [Line Items] |  |  |  |  |
Asset Acquisition, Indemnification Asset, Amount |  |  | 253 |  |
Asset Acquisition, Construction In Progress, Amount |  |  | 282 |  |
Bolero Solar Park |  |  |  |  |
Asset Acquisition, Contingent Consideration [Line Items] |  |  |  |  |
Asset Acquisition, Indemnification Asset, Amount |  |  | 114 |  |
Petersburg Solar Project |  |  |  |  |
Asset Acquisition, Contingent Consideration [Line Items] |  |  |  |  |
Asset Acquisition, Indemnification Asset, Amount |  |  | 49 |  |
Hoosier Wind |  |  |  |  |
Asset Acquisition, Contingent Consideration [Line Items] |  |  |  |  |
Asset Acquisition, Indemnification Asset, Amount |  |  | 93 |  |
Fair Value of Assets Acquired |  |  | 49 |  |
Other Income [Member] |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Asset Acquisition of a VIE, Contingent Consideration, Remeasurement Gain |  |  | 33 | 16 | $ 3
Business Combination, Step Acquisition, Equity Interest in Acquiree, Remeasurement Gain |  |  | 0 | 0 | 5
Asset Acquisition, Contingent Consideration [Line Items] |  |  |  |  |
Gain on Acquisition |  |  | 14 | $ 0 | $ 0
Calhoun |  |  |  |  |
Asset Acquisition, Contingent Consideration [Line Items] |  |  |  |  |
Asset Acquisition, Consideration Transferred, Contingent Consideration |  |  | $ 42 |  |
Calhoun | Weighted Average [Member] |  |  |  |  |
Asset Acquisition, Contingent Consideration [Line Items] |  |  |  |  |
Fair Value Measurement Inputs, Nonrecurring |  |  | 99.00% |  |
Rexford |  |  |  |  |
Asset Acquisition, Contingent Consideration [Line Items] |  |  |  |  |
Asset Acquisition, Consideration Transferred, Contingent Consideration |  |  | $ 4 |  |
Bellefield |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Payments to Acquire Businesses, Gross |  |  | 449 |  |
Payments to Acquire Businesses, Net of Cash Acquired |  |  | 165 |  |
Other Payments to Acquire Businesses |  |  | 28 |  |
Asset Acquisition, Consideration Transferred, Other Assets |  |  | 82 |  |
Asset Acquisition, Contingent Consideration [Line Items] |  |  |  |  |
Asset Acquisition, Consideration Transferred, Contingent Consideration |  |  | 165 |  |
Asset Acquisition, Project Development Rights |  |  | $ 200 |  |
Bellefield | Weighted Average [Member] |  |  |  |  |
Asset Acquisition, Contingent Consideration [Line Items] |  |  |  |  |
Fair Value Measurement Inputs, Nonrecurring |  |  | 91.90% |  |
Birdseye |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Payments to Acquire Businesses, Gross | $ 20 |  |  |  |
Asset Acquisition, Contingent Consideration [Line Items] |  |  |  |  |
Business Combination, Bargain Purchase, Gain Recognized, Amount |  |  | $ (20) |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Financial Liabilities |  |  | 53 |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Assets |  |  | 78 |  |
Atacama Solar |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Asset Acquisition, Consideration Transferred |  |  | 105 |  |
Asset Acquisition, Contingent Consideration [Line Items] |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment |  |  | 102 |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles |  |  | 28 |  |
Felix |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Asset Acquisition, Consideration Transferred |  |  | 34 |  |
Asset Acquisition, Contingent Consideration [Line Items] |  |  |  |  |
Asset Acquisition, Consideration Transferred, Contingent Consideration |  |  | 14 |  |
Finite-lived Intangible Assets Acquired |  |  | 74 |  |
Gain on Acquisition |  |  | 14 |  |
AES Clean Energy Development Projects |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Asset Acquisition, Consideration Transferred |  |  | 97 |  |
Asset Acquisition, Contingent Consideration [Line Items] |  |  |  |  |
Asset Acquisition, Consideration Transferred, Contingent Consideration |  |  | 44 |  |
Finite-lived Intangible Assets Acquired |  |  | 92 |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment |  |  | 18 |  |
AES Clean Energy Solar Project Acquisitions |  |  |  |  |
Asset Acquisition, Contingent Consideration [Line Items] |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles |  |  | 40 |  |
Business Combination, Recognized Identifiable Asset Acquired and Liability Assumed, Lease Obligation |  |  | $ 40 |  |
Agua Clara |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Business Acquisition, Percentage of Voting Interests Acquired |  |  |  | 100.00% |
Windsor Solar |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Business Acquisition, Percentage of Voting Interests Acquired |  |  |  | 100.00% |
Tunica Windpower LLC |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Business Acquisition, Percentage of Voting Interests Acquired |  |  |  | 100.00% |
Cubico II |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Business Acquisition, Percentage of Voting Interests Acquired |  |  |  | 100.00% |
Calhoun |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Business Acquisition, Percentage of Voting Interests Acquired |  |  | 100.00% |  |
Bellefield |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Business Acquisition, Percentage of Voting Interests Acquired |  |  | 100.00% |  |
Rexford |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Business Acquisition, Percentage of Voting Interests Acquired |  |  | 100.00% |  |
Petersburg Solar Project |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Business Acquisition, Percentage of Voting Interests Acquired |  |  | 100.00% |  |
Atacama Solar |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Business Acquisition, Percentage of Voting Interests Acquired |  |  | 100.00% |  |
Hoosier Wind |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Business Acquisition, Percentage of Voting Interests Acquired |  |  | 100.00% |  |
AES Clean Energy Solar Project Acquisitions |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Business Acquisition, Percentage of Voting Interests Acquired |  |  | 100.00% |  |
Felix |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Business Acquisition, Percentage of Voting Interests Acquired |  |  | 50.00% |  |

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- Definition Percentage of voting equity interests acquired at the acquisition date in the business combination. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479328/805-10-50-2 + Details
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- Definition Amount of lease obligation assumed in business combination. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479907/805-20-50-1 + Details
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- Definition The amount of financial liabilities assumed (as defined) which have been recognized as of the acquisition date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 55 -Paragraph 37 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479303/805-10-55-37 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479907/805-20-50-1 + Details
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- Definition The amount of identifiable intangible assets recognized as of the acquisition date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 55 -Paragraph 37 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479303/805-10-55-37 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479907/805-20-50-1 + Details
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- Definition Amount of assets expected to be realized or consumed after one year or the normal operating cycle, if longer, acquired at the acquisition date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479907/805-20-50-1 + Details
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- Definition The amount of property, plant, and equipment recognized as of the acquisition date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 55 -Paragraph 37 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479303/805-10-55-37 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479907/805-20-50-1 + Details
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- Definition The fair value of assets acquired in noncash investing or financing activities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482913/230-10-50-4 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482913/230-10-50-3 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482913/230-10-50-5 + Details
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- Definition Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482665/350-30-50-1 + Details
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