FAIR VALUE GAINS (LOSSES), NET (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
Dec. 31, 2025 |
|
| Disclosure of Fair Value [Line Items] | |||||
| Gains (losses) on fair value adjustment, investment property | $ 223 | $ (163) | |||
| Incentive fees | $ 0 | $ (19) | 2 | $ (19) | |
| Financial instruments and other | (88) | 71 | (102) | 190 | |
| Total fair value gains (losses), net | 56 | 47 | 123 | (63) | |
| Commercial properties | |||||
| Disclosure of Fair Value [Line Items] | |||||
| Gains (losses) on fair value adjustment, investment property | 120 | 4 | 145 | (276) | (318) |
| Commercial developments | |||||
| Disclosure of Fair Value [Line Items] | |||||
| Gains (losses) on fair value adjustment, investment property | $ 24 | $ (9) | $ 78 | $ 42 | $ 155 |