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Fair Value (Nonrecurring Measurements) (Details) - USD ($) $ in Millions	1 Months Ended	3 Months Ended								6 Months Ended		9 Months Ended	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2024	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Jun. 30, 2024	Jun. 30, 2023	Sep. 30, 2024	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Other Asset Impairment Charges			$ 74	$ 38						$ 84		$ 158	$ 374	$ 1,067	$ 763
Goodwill impairment expense													0	12	777
Other non-operating expense													0	0	175
Impairment of Long-Lived Assets Held-for-use													374	1,067	763
Inventory Write-down	$ 23												6
AES PR
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Impairment of Long-Lived Assets Held-for-use													80	0	0
Ventanas 3 & 4
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Impairment of Long-Lived Assets Held-for-use													125	0	0
sPower [Member]
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Equity Method Investment, Other-than-Temporary Impairment															175
AES Jordan
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Selling Expense													6	5
Impairment of Long-Lived Assets Held-for-use													0	59	76
TEG
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Impairment of Long-Lived Assets Held-for-use													0	77	104
TEP
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Impairment of Long-Lived Assets Held-for-use													0	59	89
Norgener
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Impairment of Long-Lived Assets Held-for-use													0	137	0
GAF Projects
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Impairment of Long-Lived Assets Held-for-use													0	18	0
Mong Duong Subsidiary [Member]
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Selling Expense														5
AES Clean Energy Development Projects
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Impairment of Long-Lived Assets Held-for-use		$ 137											95	151	18
AES Brasil
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Selling Expense													13
Discontinued Operation, Income (Loss) from Discontinued Operation, before Income Tax													22
Discontinued Operation, Income (Loss) from Discontinued Operation, before Income Tax													22
Estimate of Fair Value Measurement [Member] | Level 3
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring	371					$ 371								371
Long Lived Assets Held And Used [Member] | AES Andes
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Other Asset Impairment Charges														12
Long Lived Assets Held And Used [Member] | AES Jordan
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Other Asset Impairment Charges						16	$ 14	$ 15	$ 14
Long Lived Assets Held And Used [Member] | TEG
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Other Asset Impairment Charges														77
Long Lived Assets Held And Used [Member] | TEG | Level 3
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring	93					93								93
Long Lived Assets Held And Used [Member] | TEP
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Other Asset Impairment Charges														59
Long Lived Assets Held And Used [Member] | TEP | Level 3
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring	94					94								94
Long Lived Assets Held And Used [Member] | Norgener
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Other Asset Impairment Charges											$ 137
Long Lived Assets Held And Used [Member] | Norgener | Level 3
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring	24					24								24
Long Lived Assets Held And Used [Member] | New York Wind
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Other Asset Impairment Charges														186
Long Lived Assets Held And Used [Member] | New York Wind | Level 3
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring	124					124								124
Long Lived Assets Held And Used [Member] | Warrior Run
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Other Asset Impairment Charges														198
Long Lived Assets Held And Used [Member] | Warrior Run | Level 3
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring	25					25								25
Long Lived Assets Held And Used [Member] | Mong Duong held-dfor-sale [Member]
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Other Asset Impairment Charges						167
Long Lived Assets Held And Used [Member] | GAF Projects | Level 3
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring	11					11								11
Long Lived Assets Held And Used [Member] | AES Renewable Holdings
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Other Asset Impairment Charges														18
Long Lived Assets Held And Used [Member] | Reported Value Measurement [Member] | AES Andes
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring	12					12								12
Long Lived Assets Held And Used [Member] | Reported Value Measurement [Member] | AES Andes | Level 1
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring	0					0								0
Long Lived Assets Held And Used [Member] | Reported Value Measurement [Member] | AES Andes | Level 2
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring	0					0								0
Long Lived Assets Held And Used [Member] | Reported Value Measurement [Member] | AES Andes | Level 3
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring	0					0								0
Long Lived Assets Held And Used [Member] | Reported Value Measurement [Member] | AES Jordan
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring	180					180	178	179	179		179			180
Long Lived Assets Held And Used [Member] | Reported Value Measurement [Member] | AES Jordan | Level 1
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring	0					0	0	0			0			0
Long Lived Assets Held And Used [Member] | Reported Value Measurement [Member] | AES Jordan | Level 2
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring	170					170	170	170	170		170			170
Long Lived Assets Held And Used [Member] | Reported Value Measurement [Member] | AES Jordan | Level 3
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring	0					0	$ 0	$ 0	$ 0		$ 0			0
Long Lived Assets Held And Used [Member] | Reported Value Measurement [Member] | TEG
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring	170					170								170
Long Lived Assets Held And Used [Member] | Reported Value Measurement [Member] | TEG | Level 1
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring	0					0								0
Long Lived Assets Held And Used [Member] | Reported Value Measurement [Member] | TEG | Level 2
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring	0					0								0
Long Lived Assets Held And Used [Member] | Reported Value Measurement [Member] | TEG | Level 3
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring	93					93								93	164
Long Lived Assets Held And Used [Member] | Reported Value Measurement [Member] | TEP
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring	153					153								153
Long Lived Assets Held And Used [Member] | Reported Value Measurement [Member] | TEP | Level 1
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring	0					0								0
Long Lived Assets Held And Used [Member] | Reported Value Measurement [Member] | TEP | Level 2
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring	0					0								0
Long Lived Assets Held And Used [Member] | Reported Value Measurement [Member] | TEP | Level 3
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring	94					94								94	$ 147
Long Lived Assets Held And Used [Member] | Reported Value Measurement [Member] | Norgener
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring	196					196								196
Long Lived Assets Held And Used [Member] | Reported Value Measurement [Member] | Norgener | Level 1
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring	0					0								0
Long Lived Assets Held And Used [Member] | Reported Value Measurement [Member] | Norgener | Level 2
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring	0					0								0
Long Lived Assets Held And Used [Member] | Reported Value Measurement [Member] | Norgener | Level 3
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring	24					24								24
Long Lived Assets Held And Used [Member] | Reported Value Measurement [Member] | New York Wind
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring	310					310								310
Long Lived Assets Held And Used [Member] | Reported Value Measurement [Member] | New York Wind | Level 1
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring	0					0								0
Long Lived Assets Held And Used [Member] | Reported Value Measurement [Member] | New York Wind | Level 2
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring	0					0								0
Long Lived Assets Held And Used [Member] | Reported Value Measurement [Member] | New York Wind | Level 3
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring	124					124								124
Long Lived Assets Held And Used [Member] | Reported Value Measurement [Member] | Warrior Run
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring	250					250								250
Long Lived Assets Held And Used [Member] | Reported Value Measurement [Member] | Warrior Run | Level 1
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring	0					0								0
Long Lived Assets Held And Used [Member] | Reported Value Measurement [Member] | Warrior Run | Level 2
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring	0					0								0
Long Lived Assets Held And Used [Member] | Reported Value Measurement [Member] | Warrior Run | Level 3
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring	25					25								25
Long Lived Assets Held And Used [Member] | Reported Value Measurement [Member] | Mong Duong held-dfor-sale [Member]
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring	575					575								575
Long Lived Assets Held And Used [Member] | Reported Value Measurement [Member] | Mong Duong held-dfor-sale [Member] | Level 1
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring	0					0								0
Long Lived Assets Held And Used [Member] | Reported Value Measurement [Member] | Mong Duong held-dfor-sale [Member] | Level 2
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring	413					413								413
Long Lived Assets Held And Used [Member] | Reported Value Measurement [Member] | Mong Duong held-dfor-sale [Member] | Level 3
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring	0					0								0
Long Lived Assets Held And Used [Member] | Reported Value Measurement [Member] | AES Renewable Holdings
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring	29					29								29
Long Lived Assets Held And Used [Member] | Reported Value Measurement [Member] | AES Renewable Holdings | Level 1
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring	0					0								0
Long Lived Assets Held And Used [Member] | Reported Value Measurement [Member] | AES Renewable Holdings | Level 2
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring	0					0								0
Long Lived Assets Held And Used [Member] | Reported Value Measurement [Member] | AES Renewable Holdings | Level 3
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring	$ 11					$ 11								$ 11
Long Lived Assets Held For Sale [Member] | Ventanas 1 & 2
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Other Asset Impairment Charges		125
Assets Carrying Amount Disclosure Nonrecurring		131											131
Long Lived Assets Held For Sale [Member] | Ventanas 1 & 2 | Level 1
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring		0											0
Long Lived Assets Held For Sale [Member] | Ventanas 1 & 2 | Level 2
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring		6											6
Long Lived Assets Held For Sale [Member] | Ventanas 1 & 2 | Level 3
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring		0											0
Long Lived Assets Held For Sale [Member] | AES Jordan
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring			407	390						390		407
Long Lived Assets Held For Sale [Member] | AES Jordan | Level 1
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring			0	0						0		0
Long Lived Assets Held For Sale [Member] | AES Jordan | Level 2
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring			400	389						389		400
Long Lived Assets Held For Sale [Member] | AES Jordan | Level 3
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring			0	0						0		0
Long Lived Assets Held For Sale [Member] | Mong Duong held-dfor-sale [Member]
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Other Asset Impairment Charges		8	11	6	$ 37
Assets Carrying Amount Disclosure Nonrecurring		365			450								365
Long Lived Assets Held For Sale [Member] | Mong Duong held-dfor-sale [Member] | Level 1
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring		0			0								0
Long Lived Assets Held For Sale [Member] | Mong Duong held-dfor-sale [Member] | Level 2
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring		362			413								362
Long Lived Assets Held For Sale [Member] | Mong Duong held-dfor-sale [Member] | Level 3
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring		$ 0			$ 0								$ 0
Long Lived Assets Held For Sale [Member] | AES Brasil [Domain]
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Other Asset Impairment Charges				25
Long Lived Assets Held For Sale [Member] | AES Brasil
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Other Asset Impairment Charges			55
Assets Carrying Amount Disclosure Nonrecurring			1,581	1,577						1,577		1,581
Long Lived Assets Held For Sale [Member] | AES Brasil | Level 1
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring			0	0						0		0
Long Lived Assets Held For Sale [Member] | AES Brasil | Level 2
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring			1,548	1,565						1,565		1,548
Long Lived Assets Held For Sale [Member] | AES Brasil | Level 3
Fair Value Assets Measured On Nonrecurring Basis Unobservable Inputs [Line Items]
Assets Carrying Amount Disclosure Nonrecurring			$ 0	$ 0						$ 0		$ 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 before tax of income (loss) from a discontinued operation. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal.

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