DEBT OBLIGATIONS - Components of Changes in Debt Obligations (Details) - USD ($) $ in Millions |
6 Months Ended | 12 Months Ended |
|---|---|---|
Jun. 30, 2026 |
Dec. 31, 2025 |
|
| Borrowing [Roll Forward] | ||
| Balance, beginning of period | $ 46,314 | $ 51,499 |
| Debt obligation issuances, net of repayments | 6,226 | (2,917) |
| Non-cash changes in debt obligations: | ||
| Debt from asset acquisitions | 294 | 103 |
| Assumed by purchaser | (1,452) | (2,970) |
| Assumed from business combination | 2 | 502 |
| Amortization of deferred financing costs and (premium) discount | 73 | 70 |
| Foreign currency translation | (285) | 1,047 |
| Other | 9 | (9) |
| Balance, end of period | 49,519 | 46,314 |
| South Korea Mixed-Use | ||
| Non-cash changes in debt obligations: | ||
| Deconsolidation of debt obligations | (1,662) | 0 |
| REIT Debt Obligations | ||
| Non-cash changes in debt obligations: | ||
| Deconsolidation of debt obligations | $ 0 | $ (1,011) |