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FINANCIAL INSTRUMENTS AND FAIR VALUE MEASUREMENTS - Summary of Equity Securities Classified as Level 3 (Details) - USD ($)
$ in Millions
12 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Equity method investment carrying value $ 85 $ 215
Equity Securities    
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Balance—beginning of year 122 130
Additions 690 4
Returns of capital (5) (4)
Measurement adjustments 1 0
Foreign exchange and other 6 (8)
Balance—end of year $ 814 $ 122