Restructuring and Employee Severance (Liabilities Associated with Restructuring and Employee Severance Activities) (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Restructuring Reserve [Roll Forward]
Beginning Balance	$ 66	$ 79
Additions	43	59
Payments and other adjustments	(63)	(72)
Ending Balance	46	66
Employee- Related Costs
Restructuring Reserve [Roll Forward]
Beginning Balance	56	53
Additions	35	49
Payments and other adjustments	(47)	(46)
Ending Balance	44	56
Facility Exit and Other Costs
Restructuring Reserve [Roll Forward]
Beginning Balance	10	26
Additions	8	10
Payments and other adjustments	(16)	(26)
Ending Balance	$ 2	$ 10