Valuation and Qualifying Accounts (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2022
Allowance for credit losses
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance as of beginning of year	$ (44)	$ (54)	$ (77)
Additions	(8)	0	(2)
Utilization	5	3	19
Other	3	7	6
Balance as of end of year	(44)	(44)	(54)
Deferred tax valuation allowance
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance as of beginning of year	(72)	(34)	(24)
Additions	(52)	(38)	(23)
Utilization	3	0	13
Other	2	0	0
Balance as of end of year	$ (119)	$ (72)	$ (34)