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Asset Impairment Expense (Details) - USD ($)	3 Months Ended					9 Months Ended
	Sep. 30, 2025	Jun. 30, 2025	Mar. 31, 2025	Sep. 30, 2024	Jun. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024	May 15, 2024
Asset Impairment Expense [Line Items]
Impairment of Long-Lived Assets to be Disposed of	$ 31,000,000			$ 74,000,000		$ (74,000,000)	$ 158,000,000
Net Income (Loss) from Continuing Operations Available to Common Shareholders, Basic	671,000,000			$ 511,000,000		612,000,000	$ 1,219,000,000
Gain (Loss) on Sale of Assets and Asset Impairment Charges	10,000,000
Disposal Group, Held-for-sale, Not Discontinued Operations [Member] | Jordan (IPP1 & IPP4)
Asset Impairment Expense [Line Items]
Disposal Group Not Discontinued Operation Ownership Interest Sold				26.00%	26.00%		26.00%
Disposal Group, Held-for-sale, Not Discontinued Operations [Member] | AES Brasil [Domain]
Asset Impairment Expense [Line Items]
Disposal Group Not Discontinued Operation Ownership Interest Sold								47.30%
Assets carrying amount disclosure nonrecurring, prior to impairment									$ 1,577,000,000
Fair Value, Net Asset (Liability)									$ 1,552,000,000
Other Subsidiaries [Member]
Asset Impairment Expense [Line Items]
Impairment of Long-Lived Assets to be Disposed of	0			$ 1,000,000		4,000,000	$ 3,000,000
AES Clean Energy Development
Asset Impairment Expense [Line Items]
Impairment of Long-Lived Assets to be Disposed of	15,000,000			7,000,000		132,000,000	21,000,000
AES Clean Energy Development | Clean Energy
Asset Impairment Expense [Line Items]
Impairment of Long-Lived Assets to be Disposed of						51,000,000
Mong Duong held-for-sale
Asset Impairment Expense [Line Items]
Impairment of Long-Lived Assets to be Disposed of			$ 17,000,000	11,000,000			54,000,000
Impairment Charge on Reclassified Assets	0	$ 243,000,000
Mong Duong held-for-sale | Measurement Input, Cost to Sell
Asset Impairment Expense [Line Items]
Impairment Charge on Reclassified Assets		4,000,000
Mong Duong held-for-sale | Long Lived Assets held and Used
Asset Impairment Expense [Line Items]
Impairment Charge on Reclassified Assets		$ 239,000,000
Mong Duong held-for-sale | Disposal Group, Not Discontinued Operations [Member]
Asset Impairment Expense [Line Items]
Impairment Charge on Reclassified Assets						226,000,000
AES Brasil [Domain]
Asset Impairment Expense [Line Items]
Impairment of Long-Lived Assets to be Disposed of	0			55,000,000	$ 25,000,000	0	80,000,000
AES Andes
Asset Impairment Expense [Line Items]
Impairment of Long-Lived Assets to be Disposed of	$ 16,000,000			$ 0		$ 16,000,000	$ 0

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This element represents the aggregate carrying amount of the assets measured at fair value on a nonrecurring basis by the entity before the recognition of impairment charges.

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Amount of gain (loss) from the difference between the sale price or salvage price and the book value of an asset that was sold or retired, and gain (loss) from the write down of assets from their carrying value to fair value.

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For the asset that is reclassified back to held and used from held-for-sale, the amount of impairment charge that is recognized on the reclassification date.

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The aggregate amount of write-downs for impairments recognized during the period for long-lived assets held for abandonment, exchange or sale.

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Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) from continuing operations available to common shareholders.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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