Valuation and Qualifying Accounts (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2021
Allowance for credit losses
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance as of beginning of year	$ (54)	$ (77)	$ (93)
Additions	0	(2)	(4)
Utilization	3	19	11
Other	7	6	9
Balance as of end of year	(44)	(54)	(77)
Deferred tax valuation allowance
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance as of beginning of year	(34)	(24)	(20)
Additions	(38)	(23)	(9)
Utilization	0	13	5
Other	0	0	0
Balance as of end of year	$ (72)	$ (34)	$ (24)