BORROWINGS - Schedule of Available Portion of Credit Facilities (Details) - USD ($) $ in Millions |
Jun. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Authorized corporate credit facilities and related party credit facilities | ||
| Credit facilities [Line Items] | ||
| Available portion of corporate credit facilities | $ 2,450 | $ 2,450 |
| Draws on corporate credit facilities | ||
| Credit facilities [Line Items] | ||
| Available portion of corporate credit facilities | 54 | 0 |
| Authorized letter of credit facility | ||
| Credit facilities [Line Items] | ||
| Available portion of corporate credit facilities | 450 | 450 |
| Issued letters of credit | ||
| Credit facilities [Line Items] | ||
| Available portion of corporate credit facilities | 403 | 414 |
| Available portion of corporate credit facilities | ||
| Credit facilities [Line Items] | ||
| Available portion of corporate credit facilities | $ 2,443 | $ 2,486 |