Valuation and Qualifying Accounts (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2022
Allowances for doubtful accounts
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at beginning of year	$ (57)	$ (67)	$ (71)
Additions	(16)	(10)	(6)
Acquisitions and disposals	(2)	0	0
Utilization	10	19	7
Foreign exchange	0	1	3
Balance at end of year	(65)	(57)	(67)
Allowances for sales returns
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at beginning of year	(154)	(173)	(190)
Additions	(446)	(516)	(554)
Acquisitions and disposals	0	0	(1)
Utilization	458	536	564
Foreign exchange	1	(1)	8
Balance at end of year	(141)	(154)	(173)
Deferred tax valuation allowance
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at beginning of year	(1,646)	(1,588)	(1,765)
Additions	(9)	(71)	(237)
Acquisitions and disposals	(7)	0	(8)
Utilization	5	15	232
Foreign exchange	(2)	(2)	190
Balance at end of year	$ (1,659)	$ (1,646)	$ (1,588)