Fair Value - Schedule of Financial Assets and Liabilities Carried at Fair Value on a Recurring Basis (Detail) - USD ($) $ in Millions	Dec. 31, 2022	Jun. 30, 2022
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Investments in equity securities	$ 625	$ 435
Redeemable noncontrolling interests	(196)	(188)
Fair value measurements recurring
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Investments in equity securities	625	435
Redeemable noncontrolling interests	(196)	(188)
Total	429	247
Fair value measurements recurring | Level 1
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Investments in equity securities	625	435
Redeemable noncontrolling interests	0	0
Total	625	435
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	(196)	(188)
Total	$ (196)	$ (188)