v3.26.1
INVESTMENT PROPERTIES - Sensitivity Analysis (Details)
$ in Millions
 6 Months Ended
Jun. 30, 2026
USD ($)
DR  
Disclosure of fair value measurement of assets [line items]  
Percentage of reasonably possible increase in unobservable input, assets 0.25%
DR | Property  
Disclosure of fair value measurement of assets [line items]  
Total $ 934
DR | Office | Property  
Disclosure of fair value measurement of assets [line items]  
Total 387
DR | Retail | Property  
Disclosure of fair value measurement of assets [line items]  
Total 463
DR | LP Investments | Property  
Disclosure of fair value measurement of assets [line items]  
Total $ 84
TCR  
Disclosure of fair value measurement of assets [line items]  
Percentage of reasonably possible increase in unobservable input, assets 0.25%
TCR | Property  
Disclosure of fair value measurement of assets [line items]  
Total $ 1,396
TCR | Office | Property  
Disclosure of fair value measurement of assets [line items]  
Total 601
TCR | Retail | Property  
Disclosure of fair value measurement of assets [line items]  
Total 680
TCR | LP Investments | Property  
Disclosure of fair value measurement of assets [line items]  
Total 115
DR and TCR, or ICR | Property  
Disclosure of fair value measurement of assets [line items]  
Total 2,254
DR and TCR, or ICR | Office | Property  
Disclosure of fair value measurement of assets [line items]  
Total 973
DR and TCR, or ICR | Retail | Property  
Disclosure of fair value measurement of assets [line items]  
Total 1,028
DR and TCR, or ICR | LP Investments | Property  
Disclosure of fair value measurement of assets [line items]  
Total $ 253