v3.26.1
INVESTMENT PROPERTIES - Roll Forward of Investment Property Balances (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
Reconciliation of changes in investment property [abstract]          
Balance, beginning of period     $ 56,934 $ 62,078 $ 62,078
Changes resulting from:          
Property acquisitions     3,929   3,206
Acquisitions from business combinations     0   361
Capital expenditures     431   1,120
Property dispositions     (827)   (2,539)
Fair value gains (losses), net     223   (163)
Foreign currency translation     (291)   914
Transfers between commercial properties and commercial developments     0   0
Deconsolidation     0   (3,613)
Reclassification to assets held for sale and other changes     (664)   (4,430)
Balance, end of period $ 44,159   44,159   56,934
Right-of-use assets 134   134   196
Current lease liabilities 167   167   177
Non-current lease liabilities 680   680   842
Opportunistic Fund Investments          
Changes resulting from:          
Reclassification to assets held for sale     (12,752)   0
South Korea Mixed-Use          
Changes resulting from:          
Deconsolidation     (2,824)   0
South Korea Mixed-Use | Investors          
Changes resulting from:          
Total commitments 826   826    
South Korea Mixed-Use | Operating Partnership          
Changes resulting from:          
Total commitments 100   100    
Investment property          
Changes resulting from:          
Current lease liabilities 163   163   162
Non-current lease liabilities 567   567   717
Commercial properties          
Reconciliation of changes in investment property [abstract]          
Balance, beginning of period     54,672 60,093 60,093
Changes resulting from:          
Property acquisitions     3,908   2,977
Acquisitions from business combinations     0   361
Capital expenditures     258   710
Property dispositions     (827)   (2,501)
Fair value gains (losses), net 120 $ 4 145 (276) (318)
Foreign currency translation     (281)   846
Transfers between commercial properties and commercial developments     1,275   414
Deconsolidation     0   (3,485)
Reclassification to assets held for sale and other changes     (664)   (4,425)
Balance, end of period 43,511   43,511   54,672
Right-of-use assets 730   730   903
Commercial properties | Opportunistic Fund Investments          
Changes resulting from:          
Reclassification to assets held for sale     (12,151)   0
Commercial properties | South Korea Mixed-Use          
Changes resulting from:          
Deconsolidation     (2,824)   0
Commercial developments          
Reconciliation of changes in investment property [abstract]          
Balance, beginning of period     2,262 1,985 1,985
Changes resulting from:          
Property acquisitions     21   229
Acquisitions from business combinations     0   0
Capital expenditures     173   410
Property dispositions     0   (38)
Fair value gains (losses), net 24 $ (9) 78 $ 42 155
Foreign currency translation     (10)   68
Transfers between commercial properties and commercial developments     (1,275)   (414)
Deconsolidation     0   (128)
Reclassification to assets held for sale and other changes     0   (5)
Balance, end of period 648   648   2,262
Right-of-use assets $ 0   0   24
Commercial developments | Opportunistic Fund Investments          
Changes resulting from:          
Reclassification to assets held for sale     (601)   0
Commercial developments | South Korea Mixed-Use          
Changes resulting from:          
Deconsolidation     $ 0   $ 0