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Investments - Schedule of Investments (Detail) - USD ($)
$ in Millions
12 Months Ended
Jun. 30, 2022
Jun. 30, 2023
Sep. 30, 2021
Aug. 31, 2021
Schedule of Investments [Abstract]        
Equity method investments $ 276 $ 192    
Equity securities 212 235    
Total Investments $ 488 $ 427    
REA Group | PropertyGuru Pte. Ltd.        
Schedule of Equity Method Investments [Line Items]        
Ownership percentage 18.00%   18.00% 18.00%
Equity method investment, diluted ownership percentage 17.50%     16.60%
REA Group | Other, Net | PropertyGuru Pte. Ltd.        
Schedule of Equity Method Investments [Line Items]        
Gain on dilution of equity interests $ 15