Credit Facility, Commitments Used

No definition available.

Name:	aes_CreditFacilityCommitmentsUsed
Namespace Prefix:	aes_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Materiality Threshold for Sub Default to Trigger Cross Default

+ References

No definition available.

+ Details

Name:	aes_MaterialityThresholdForSubDefaultToTriggerCrossDefault
Namespace Prefix:	aes_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Preferred Shares Conversion Option

+ References

No definition available.

+ Details

Name:	aes_PreferredSharesConversionOption
Namespace Prefix:	aes_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	duration

- Definition

Cash inflows associated with the issuance of non-recourse debt.

+ References

No definition available.

+ Details

Name:	aes_ProceedsFromIssuanceOfNonrecourseDebt
Namespace Prefix:	aes_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Restricted Cash And Debt Service Reserves

+ References

No definition available.

+ Details

Name:	aes_RestrictedCashAndDebtServiceReserves
Namespace Prefix:	aes_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Restricted Cash Held for Insurance

+ References

No definition available.

+ Details

Name:	aes_RestrictedCashHeldForInsurance
Namespace Prefix:	aes_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Restricted Net Assets

+ References

No definition available.

+ Details

Name:	aes_RestrictedNetAssets
Namespace Prefix:	aes_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

+ Details

Name:	us-gaap_DebtInstrumentFaceAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22)(a)(1))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481139/470-20-50-1B

+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 835
-SubTopic 30
-Name Accounting Standards Codification
-Section 55
-Paragraph 8
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482949/835-30-55-8

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08(f))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480678/235-10-S99-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 3
-Subparagraph (SX 210.12-04(a))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480678/235-10-S99-3

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481139/470-20-50-1B

Reference 5: http://www.xbrl.org/2003/role/exampleRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 69B
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481568/470-20-55-69B

Reference 6: http://www.xbrl.org/2003/role/exampleRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 69C
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481568/470-20-55-69C

Reference 7: http://www.xbrl.org/2003/role/exampleRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 69E
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481568/470-20-55-69E

Reference 8: http://www.xbrl.org/2003/role/exampleRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 69F
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481568/470-20-55-69F

Reference 9: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481139/470-20-50-1B

Reference 10: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481139/470-20-50-1B

Reference 11: http://www.xbrl.org/2003/role/exampleRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481139/470-20-50-1B

Reference 12: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
-Subparagraph (e)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481139/470-20-50-1B

Reference 13: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
-Subparagraph (f)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481139/470-20-50-1B

Reference 14: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
-Subparagraph (h)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481139/470-20-50-1B

Reference 15: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1D
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481139/470-20-50-1D

Reference 16: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1D
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481139/470-20-50-1D

Reference 17: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1D
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481139/470-20-50-1D

Reference 18: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1E
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481139/470-20-50-1E

Reference 19: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1E
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481139/470-20-50-1E

Reference 20: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1E
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481139/470-20-50-1E

Reference 21: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1F
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481139/470-20-50-1F

Reference 22: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1F
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481139/470-20-50-1F

Reference 23: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1F
-Subparagraph (b)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481139/470-20-50-1F

Reference 24: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1F
-Subparagraph (b)(2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481139/470-20-50-1F

Reference 25: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1I
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481139/470-20-50-1I

Reference 26: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 835
-SubTopic 30
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482925/835-30-45-2

Reference 27: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 835
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482900/835-30-50-1

+ Details

Name:	us-gaap_DebtInstrumentLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Gross amount of debt extinguished.

+ References

No definition available.

+ Details

Name:	us-gaap_ExtinguishmentOfDebtAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (b)
-SubTopic 10
-Topic 230
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-28

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 470
-SubTopic 50
-Section 40
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481303/470-50-40-2

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 470
-SubTopic 50
-Section 40
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481303/470-50-40-4

+ Details

Name:	us-gaap_GainsLossesOnExtinguishmentOfDebt
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of increase (decrease) of the credit facility.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08(f))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480678/235-10-S99-1

+ Details

Name:	us-gaap_LineOfCreditFacilityIncreaseDecreaseForPeriodNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of cash outflow for short-term and long-term debt. Excludes payment of lease obligation.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 15
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-15

+ Details

Name:	us-gaap_RepaymentsOfDebt
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Debt - Non-Recourse Debt Narrative (Details) $ in Millions		3 Months Ended		24 Months Ended
Debt - Non-Recourse Debt Narrative (Details) $ in Millions	Apr. 12, 2024 USD ($)	Mar. 31, 2024 USD ($)	Mar. 31, 2023 USD ($)	Dec. 31, 2023 USD ($)	Dec. 14, 2022 USD ($)	Dec. 13, 2022 USD ($)	Dec. 31, 2021 USD ($)
Debt Instrument [Line Items]
Proceeds From Issuance Of Nonrecourse Debt		$ 2,131	$ 690
Loss on extinguishment of debt		(1)	$ (1)
Restricted Net Assets		1,100
Restricted Cash And Debt Service Reserves		363		$ 341
Restricted Cash Held for Insurance		90
Materiality Threshold for Sub Default to Trigger Cross Default		200
AES Gener \| Nonrecourse Debt [Member]
Debt Instrument [Line Items]
Proceeds From Issuance Of Nonrecourse Debt		500
AES Gener \| Nonrecourse Debt [Member] \| Andes Senior Notes due 2029
Debt Instrument [Line Items]
Proceeds From Issuance Of Nonrecourse Debt		500
Debt Instrument, Interest Rate, Stated Percentage			6.30%
AES Gener \| Nonrecourse Debt [Member] \| Andes Senior Unsecured Notes due 2079
Debt Instrument [Line Items]
Redeemed notes		100
AES Gener \| Nonrecourse Debt [Member] \| Andes Senior Unsecured Notes due 2025
Debt Instrument [Line Items]
Redeemed notes		43
AES Hispanola Holdings BV \| Nonrecourse Debt [Member] \| 350 Million Credit Agreement Due 2028
Debt Instrument [Line Items]
Loss on extinguishment of debt			$ 1
AES Hispanola Holdings BV \| Nonrecourse Debt [Member] \| 350 Million Credit Agreement Due 2028 \| BID
Debt Instrument [Line Items]
Proceeds From Issuance Of Nonrecourse Debt			300
Issued senior notes			$ 350
Debt Instrument, Interest Rate, Stated Percentage			8.85%
IPL Subsidiary [Member] \| Nonrecourse Debt [Member]
Debt Instrument [Line Items]
Proceeds From Issuance Of Nonrecourse Debt		1,050
AES Clean Energy Subsidiary \| Revolving Credit Facilities, Joint and Several
Debt Instrument [Line Items]
Line of Credit Facility, Increase (Decrease), Net		547
Credit Facility, Commitments Used		2,800
Colon \| Nonrecourse Debt [Member] \| 350 Million Credit Agreement Due 2028 \| BID
Debt Instrument [Line Items]
Proceeds From Issuance Of Nonrecourse Debt			$ 50
AES Clean Energy and sPower (co-issuers) \| Senior Notes [Member] \| 6.55% Senior Notes Due 2047
Debt Instrument [Line Items]
Issued senior notes					$ 647	$ 647
Debt Instrument, Interest Rate, Stated Percentage						6.55%
AES Clean Energy and sPower (co-issuers) \| Senior Notes [Member] \| 6.37% Senior Notes Due 2047
Debt Instrument [Line Items]
Issued senior notes				$ 246
Debt Instrument, Interest Rate, Stated Percentage				6.37%
AES Clean Energy and sPower (co-issuers) \| Senior Notes [Member] \| Master Indenture Notes
Debt Instrument [Line Items]
Issued senior notes		884
AES Clean Energy Development \| Senior Notes [Member] \| Master Indenture Notes
Debt Instrument [Line Items]
Issued senior notes		252
AES Clean Energy and sPower (co-borrowers) \| Revolving Credit Facilities, Joint and Several
Debt Instrument [Line Items]
Issued senior notes		3,800					$ 1,200
Line of Credit Facility, Increase (Decrease), Net				$ 2,600
Credit Facility, Commitments Used		$ 3,400
AES Puerto Rico \| Nonrecourse Debt [Member] \| PR Series A Bond due 2026
Debt Instrument [Line Items]
Issued senior notes			$ 156
Debt Instrument, Interest Rate, Stated Percentage			6.625%
Preferred Shares Conversion Option			0.999
AES Puerto Rico \| Nonrecourse Debt [Member] \| PR Senior Secured Bonds due 2028
Debt Instrument [Line Items]
Issued senior notes			$ 112
Debt Instrument, Interest Rate, Stated Percentage			6.625%
AES Puerto Rico \| Nonrecourse Debt [Member] \| Preferred Shares in AES Guayama Holdings
Debt Instrument [Line Items]
Issued senior notes			$ 44
Debt Instrument, Interest Rate, Stated Percentage			3.125%
AES Puerto Rico \| Nonrecourse Debt [Member] \| PR Bridge Loan due 2026
Debt Instrument [Line Items]
Issued senior notes			$ 23
Debt Instrument, Basis Spread on Variable Rate			4.00%
AES Indiana \| Nonrecourse Debt [Member] \| AES Indiana FM Bonds due 2054
Debt Instrument [Line Items]
Issued senior notes			$ 650
Debt Instrument, Interest Rate, Stated Percentage			5.70%
AES Indiana \| Nonrecourse Debt [Member] \| IPALCO Notes due 2034
Debt Instrument [Line Items]
Issued senior notes			$ 400
Debt Instrument, Interest Rate, Stated Percentage			5.75%
AES Indiana \| Nonrecourse Debt [Member] \| IPL Term Loan Due 2024
Debt Instrument [Line Items]
Repayments of Debt			$ 300
AES Indiana \| Nonrecourse Debt [Member] \| AES Indiana Credit Agreement due 2027
Debt Instrument [Line Items]
Repayments of Debt			$ 350
AES Indiana \| Nonrecourse Debt [Member] \| IPALCO Senior Notes due 2025
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	3.70%
Repayments of Debt	$ 405