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Debt (Non-Recourse Debt Carrying Amounts and Terms) (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | ---
Mar. 31, 2022 | Sep. 30, 2021 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 14, 2022 | Dec. 13, 2022
Unamortized Discounts [Member] |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Non-Recourse Debt |  |  |  | $ 309 | $ 214 |  |  |
Non-recourse Debt, excluding Finance Lease Liabilities |  |  |  | 19,429 | 14,811 |  |  |
Non-recourse Debt Current Maturities | [1] |  |  | (1,752) | (1,361) |  |  |
Non-recourse Debt, excluding Finance Lease Liabilities, Noncurrent | [1] |  |  | 17,677 | 13,450 |  |  |
Derivative, notional amount |  |  |  | 1,300 |  |  |  |
Finance Lease, Liability, Noncurrent |  |  |  | 169 | 128 |  |  |
Finance Lease, Liability, Current |  |  |  | 6 | 6 |  |  |
Gain (Loss) on Extinguishment of Debt |  |  |  | (15) | (78) | $ (186) |  |
Proceeds From Issuance Of Nonrecourse Debt |  |  |  | 5,788 | 1,644 | 4,680 |  |
Repayments of Lines of Credit |  |  |  | 4,687 | 2,420 | $ 2,479 |  |
AES Panama |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Gain (Loss) on Extinguishment of Debt |  |  | $ (16) |  |  |  |  |
AES Clean Energy |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Available-for-sale Securities, Failed Auction, Value |  |  |  |  | 25 |  |  |
AES Clean Energy | Nonrecourse Debt |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Gain (Loss) on Extinguishment of Debt |  |  |  | (12) |  |  |  |
Proceeds From Issuance Of Nonrecourse Debt |  |  |  | 1,153 |  |  |  |
AES Clean Energy | Revolving Credit Facilities, Initial Commitments |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Debt face amount |  |  |  | 1,300 |  |  |  |
Line of Credit Facility, Increase (Decrease), Net |  |  |  | 964 |  |  |  |
AES Hispanola Holdings BV | Nonrecourse Debt |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Gain (Loss) on Extinguishment of Debt |  | $ 0 |  |  |  |  |  |
Proceeds From Issuance Of Nonrecourse Debt |  | 500 |  |  |  |  |  |
AES Hispanola Holdings BV | JPCB | Nonrecourse Debt |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Proceeds From Issuance Of Nonrecourse Debt |  |  |  | 450 |  |  |  |
AES Hispanola Holdings BV | Bridge Loan | JPCB |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Debt face amount |  |  |  | 500 |  |  |  |
Colon | JPCB | Nonrecourse Debt |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Proceeds From Issuance Of Nonrecourse Debt |  |  |  | $ 50 |  |  |  |
Mercury Chile Hold Co LLC |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Proceeds from Contributed Capital |  | 196 |  |  |  |  |  |
Mercury Chile Hold Co LLC | Nonrecourse Debt |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Gain (Loss) on Extinguishment of Debt |  | 0 |  |  |  |  |  |
Proceeds From Issuance Of Nonrecourse Debt |  | 710 |  |  |  |  |  |
Mercury Chile Hold Co LLC | Nonrecourse Debt | Bridge Loan |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Proceeds From Issuance Of Nonrecourse Debt |  | 350 |  |  |  |  |  |
Mercury Chile Hold Co LLC | 6.5% Senior Notes Due 2027 | Senior Notes [Member] |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Debt face amount |  | $ 360 |  |  |  |  |  |
Stated interest rate |  |  |  | 6.50% |  |  |  |
AES Renewable Holdings |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Gain (Loss) on Extinguishment of Debt |  |  |  | $ (12) |  |  |  |
AES Renewable Holdings | AES Renewable Holdings Term Loan due 2027 | Nonrecourse Debt |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Proceeds From Issuance Of Nonrecourse Debt |  |  |  | 632 |  |  |  |
AES Renewable Holdings | AES Renewable Holdings Credit Facilities |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Repayments of Lines of Credit |  |  |  | 692 |  |  |  |
AES Clean Energy and sPower (Co-Issuers) | 6.55% Senior Notes Due 2047 | Senior Notes [Member] |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Debt face amount |  |  |  |  |  |  |  | $ 647
Stated interest rate |  |  |  |  |  |  |  | 6.55%
AES Clean Energy and sPower (Co-Issuers) | 6.55% Senior Notes Due 2047 Amount Borrowed | Senior Notes [Member] |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Debt face amount |  |  |  |  |  |  | $ 647 |
AES Clean Energy Development | 6.55% Senior Notes Due 2047 Amount Borrowed | Senior Notes [Member] |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Debt face amount |  |  |  | 37 |  |  | $ 37 |
AES Clean Energy and sPower (Co-Borrowers) | Revolving Credit Facilities, Initial Commitments |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Debt face amount |  |  |  | 2,500 | 1,200 |  |  |
Line of Credit Facility, Increase (Decrease), Net |  |  |  | 1,300 |  |  |  |
Credit Facility, Commitments Used |  |  |  | $ 1,800 |  |  |  |
Variable Rate Debt | Bank loans |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Effective Percentage |  |  |  | 7.42% |  |  |  |
Non-Recourse Debt |  |  |  | $ 3,971 | 2,345 |  |  |
Variable Rate Debt | Notes and bonds |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Effective Percentage |  |  |  | 1.48% |  |  |  |
Non-Recourse Debt |  |  |  | $ 2,137 | 1,121 |  |  |
Variable Rate Debt | Debt to (or guaranteed by) multilateral, export credit agencies or development banks |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Effective Percentage | [2] |  |  | 6.59% |  |  |  |
Non-Recourse Debt | [2] |  |  | $ 4 | 79 |  |  |
Variable Rate Debt | Other |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Effective Percentage |  |  |  | 6.64% |  |  |  |
Non-Recourse Debt |  |  |  | $ 1,234 | 125 |  |  |
Fixed Rate Debt | Bank loans |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Effective Percentage |  |  |  | 6.12% |  |  |  |
Non-Recourse Debt |  |  |  | $ 461 | 359 |  |  |
Fixed Rate Debt | Notes and bonds |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Effective Percentage |  |  |  | 5.05% |  |  |  |
Non-Recourse Debt |  |  |  | $ 11,130 | 10,914 |  |  |
Fixed Rate Debt | Debt to (or guaranteed by) multilateral, export credit agencies or development banks |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Effective Percentage | [2] |  |  | 6.75% |  |  |  |
Non-Recourse Debt | [2] |  |  | $ 3 | 3 |  |  |
Fixed Rate Debt | Other |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Effective Percentage |  |  |  | 4.95% |  |  |  |
Non-Recourse Debt |  |  |  | $ 798 | $ 79 |  |  |
[1] | Excludes $6 million and $6 million (current) and $169 million and $128 million (noncurrent) finance lease liabilities included in the respective non-recourse debt line items on the Consolidated Balance Sheet as of December 31, 2022 and 2021, respectively. See Note 14—Leases for further information.(3) Excludes $25 million of failed sale-leaseback transaction liabilities included in the non-recourse debt line items on the Consolidated Balance Sheet as of December 31, 2021.
[2] | Multilateral loans include loans funded and guaranteed by bilaterals, multilaterals, development banks and other similar institutions.

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