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Allowance for Credit Losses (Details) - USD ($) $ in Millions | 9 Months Ended |  |
--- | --- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Dec. 31, 2023 | Dec. 31, 2022
Accounts Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |
Accounts Receivable, Allowance for Credit Loss, Current | $ 32 |  | $ 15 |
Accounts and Financing Receivable, Allowance for Credit Loss | 74 | $ 62 | 64 | $ 84
Accounts Receivable, Allowance for Credit Loss, Period Increase (Decrease) | 27 | 25 |  |
Accounts Receivable, Allowance for Credit Loss, Writeoff | (13) | (32) |  |
Financing Receivable, Allowance for Credit Loss, Recovery | (1) | 0 |  |
Financing Receivable, Allowance for Credit Loss, Foreign Currency Translation | (3) | (15) |  |
Accounts Receivable |  |  |  |
Accounts Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |
Accounts Receivable, Allowance for Credit Loss, Current | 32 | 8 | 15 | 4
Accounts Receivable, Allowance for Credit Loss, Writeoff | (5) | (12) |  |
Financing Receivable, Allowance for Credit Loss, Recovery | (1) | (2) |  |
Financing Receivable, Allowance for Credit Loss, Foreign Currency Translation | (1) | 0 |  |
Financing Receivable, Allowance for Credit Loss, Period Increase (Decrease) | 22 | 14 |  |
Mong Duong Subsidiary [Member] |  |  |  |
Accounts Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |
Accounts Receivable, Allowance for Credit Loss, Current | 24 | 26 | 26 | 28
Accounts Receivable, Allowance for Credit Loss, Period Increase (Decrease) | 0 | 0 |  |
Accounts Receivable, Allowance for Credit Loss, Writeoff | 0 | 0 |  |
Financing Receivable, Allowance for Credit Loss, Recovery | (2) | (2) |  |
Financing Receivable, Allowance for Credit Loss, Foreign Currency Translation | 0 | 0 |  |
AES Argentina [Member] |  |  |  |
Accounts Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |
Accounts Receivable, Allowance for Credit Loss, Current | 6 | 16 | 7 | 31
Accounts Receivable, Allowance for Credit Loss, Period Increase (Decrease) | 0 | 0 |  |
Accounts Receivable, Allowance for Credit Loss, Writeoff | 0 | 0 |  |
Financing Receivable, Allowance for Credit Loss, Recovery | 0 | 0 |  |
Financing Receivable, Allowance for Credit Loss, Foreign Currency Translation | (1) | (15) |  |
AES Gilbert |  |  |  |
Accounts Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |
Accounts Receivable, Allowance for Credit Loss, Current |  | 0 | 20 |
Accounts Receivable, Allowance for Credit Loss, Period Increase (Decrease) |  | 0 |  |
Accounts Receivable, Allowance for Credit Loss, Writeoff |  | (20) |  |
Financing Receivable, Allowance for Credit Loss, Recovery |  | 0 |  |
Financing Receivable, Allowance for Credit Loss, Foreign Currency Translation |  | 0 |  |
Other Entity [Member] |  |  |  |
Accounts Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |
Accounts Receivable, Allowance for Credit Loss, Current | 12 | 12 | $ 16 | $ 1
Accounts Receivable, Allowance for Credit Loss, Period Increase (Decrease) | 5 | 11 |  |
Accounts Receivable, Allowance for Credit Loss, Writeoff | (8) | 0 |  |
Financing Receivable, Allowance for Credit Loss, Recovery | 0 | 0 |  |
Financing Receivable, Allowance for Credit Loss, Foreign Currency Translation | $ (1) | $ 0 |  |

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- Definition Amount of allowance for credit loss of accounts and financing receivables. Includes, but is not limited to, notes and loan receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481962/310-10-50-4 + Details
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- Definition Amount of allowance for credit loss on accounts receivable, classified as current. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(4)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479344/326-20-45-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481962/310-10-50-4 + Details
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- Definition Amount of increase (decrease) in allowance for credit loss on accounts receivable. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-13 + Details
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- Definition Amount of increase in allowance for credit loss on accounts receivable, from recovery. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-13 + Details
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
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- Definition Amount of direct write-downs of accounts receivable charged against the allowance. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-13 + Details
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- Definition Amount of foreign currency translation gain (loss) which decreases (increases) allowance for credit loss on financing receivable. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-13 + Details
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- Definition Amount of increase (decrease) in allowance for credit loss on financing receivable. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 11B -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481962/310-10-50-11B Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-13 + Details
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