Income Taxes - Change in Unrecognized Tax Benefits, Excluding Interest and Penalties (Detail) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2021
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Balance, beginning of period	$ 86	$ 69	$ 63
Additions for prior year tax positions	14	0	0
Additions for current year tax positions	17	28	4
Reduction for prior year tax positions	0	(1)	(2)
Lapse of the statute of limitations	(2)	(3)	(3)
Settlement—tax attributes	(14)	0	0
Impact of currency translations	4	(7)	7
Balance, end of period	$ 105	$ 86	$ 69