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INVESTMENT PROPERTIES - Schedule of Changes in Fair Value of Investment Properties (Details) - USD ($)
$ in Millions
6 Months Ended
Jun. 30, 2023
Dec. 31, 2023
Disclosure of detailed information about investment property [line items]    
Fair value, beginning of period $ 115,100  
Additions 5,138  
Right-of-use assets 4,700  
Dispositions (1,758)  
Fair value changes 778  
Foreign currency translation and other 493  
Fair value, end of period2 $ 119,780  
Investment property [member] | Increase (decrease) due to changes in accounting policy required by IFRSs    
Disclosure of detailed information about investment property [line items]    
Right-of-use assets   $ 29