v3.25.1
Fair Value - Schedule of Financial Assets and Liabilities Carried at Fair Value on a Recurring Basis (Detail) - USD ($)
$ in Millions
Mar. 31, 2025
Jun. 30, 2024
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Investments in equity securities $ 970 $ 797
Redeemable noncontrolling interests (228) (242)
Fair value measurements recurring    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Investments in equity securities 970 797
Redeemable noncontrolling interests (228) (242)
Total 742 555
Fair value measurements recurring | Level 1    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Investments in equity securities 970 797
Redeemable noncontrolling interests 0 0
Total 970 797
Fair value measurements recurring | Level 2    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Investments in equity securities 0 0
Redeemable noncontrolling interests 0 0
Total 0 0
Fair value measurements recurring | Level 3    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Investments in equity securities 0 0
Redeemable noncontrolling interests (228) (242)
Total $ (228) $ (242)