Debt - Subsidiary Non-recourse Debt in Default or Accelerated (Details) $ in Millions |
Mar. 31, 2026
USD ($)
|
|---|---|
| Nonrecourse Debt Default [Line Items] | |
| Materiality threshold for cash distribution from business to Parent | 20.00% |
| Debt defaults at risk of causing cross default | 0 |
| Covenant Violation [Member] | AES llumina [Member] | |
| Nonrecourse Debt Default [Line Items] | |
| Debt Default Amount | $ 19 |
| Net Assets | $ (33) |