COMMITMENTS, CONTINGENCIES AND GUARANTEES - Schedule of Letters of Credit Issued (Details) - USD ($) $ in Millions |
Jun. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Disclosure of contingent liabilities [line items] | ||
| Estimated contingent liabilities for letters of credit | $ 4,797 | $ 4,399 |
| Brookfield Renewable along with institutional partners | ||
| Disclosure of contingent liabilities [line items] | ||
| Estimated contingent liabilities for letters of credit | 89 | 93 |
| Brookfield Renewable's subsidiaries | ||
| Disclosure of contingent liabilities [line items] | ||
| Estimated contingent liabilities for letters of credit | $ 4,708 | $ 4,306 |