Restructuring, Impairment and Other Corporate Matters - Schedule of Changes in Restructuring Program Liabilities (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2022
Restructuring Reserve [Roll Forward]
Beginning balance	$ (84)	$ (27)	$ (38)
Additions	(13)	(111)	0
Additions and other	(13)
Payments	80	54	11
Ending balance	(17)	(84)	(27)
One time termination benefits
Restructuring Reserve [Roll Forward]
Beginning balance	(67)	(8)	(16)
Additions		(111)
Additions and other	(19)
Payments	69	52	8
Ending balance	(17)	(67)	(8)
Contract termination costs
Restructuring Reserve [Roll Forward]
Beginning balance	(17)	(19)	(22)
Additions		0
Additions and other	6
Payments	11	2	3
Ending balance	$ 0	$ (17)	$ (19)