CAPITAL SECURITIES - Cash Flows from Financing Activities from Capital Securities (Details) - USD ($) $ in Millions |
6 Months Ended | 12 Months Ended |
|---|---|---|
Jun. 30, 2026 |
Dec. 31, 2025 |
|
| Capital Securities [Roll Forward] | ||
| Capital securities, beginning of period | $ 1,406 | $ 2,829 |
| Capital securities issued | 35 | 79 |
| Capital securities redeemed | (55) | (1) |
| Non-cash changes in capital securities: | ||
| Fair value changes | 15 | (112) |
| Foreign currency translations | 5 | 3 |
| Capital securities, end of period | 1,326 | 1,406 |
| India REIT | ||
| Non-cash changes in capital securities: | ||
| Deconsolidation | 0 | (1,392) |
| Capital Securities – Fund Subsidiaries | ||
| Capital Securities [Roll Forward] | ||
| Capital securities, beginning of period | 81 | |
| Non-cash changes in capital securities: | ||
| Capital securities, end of period | 0 | 81 |
| Opportunistic Fund Investments | ||
| Non-cash changes in capital securities: | ||
| Reclassification of Opportunistic Fund Investments to liabilities associated with assets held for sale | $ (80) | $ 0 |