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DISPOSITION OF BUSINESSES (Details)
$ in Millions
3 Months Ended
Jun. 15, 2023
USD ($)
Nov. 30, 2022
USD ($)
concession
Sep. 30, 2023
USD ($)
Indian telecom tower operation      
Disclosure Of Associates And Joint Ventures [Line Items]      
Net proceeds from disposal     $ 35
Gain on sale of associate     20
Indian telecom tower operation | Consortium      
Disclosure Of Associates And Joint Ventures [Line Items]      
Net proceeds from disposal     $ 124
Indian toll roads(3)      
Disclosure Of Associates And Joint Ventures [Line Items]      
Net proceeds from disposal $ 180    
Gain on sale of associate 100    
Indian toll roads(3) | Consortium      
Disclosure Of Associates And Joint Ventures [Line Items]      
Net proceeds from disposal 600    
Gain on sale of associate $ 340    
Brazilian electricity transmission operation(2),(3)      
Disclosure Of Associates And Joint Ventures [Line Items]      
Disposal of ownership interest, percentage   31.00%  
Number of transmission concessions | concession   5  
Proceeds from disposition of subsidiary   $ 250  
Gain on sale of associate   40  
Reclassification adjustments on exchange differences on translation, net of tax   $ 9