Restructuring and Employee Severance (Activity Related to Restructuring and Employee Severance Costs) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Mar. 31, 2023	Mar. 31, 2022
Restructuring Charges [Abstract]
Employee-related costs	$ 3	$ 12	$ 32	$ 22
Facility Exit and Other Costs	13	19	30	34
Total restructuring and employee severance	$ 16	$ 31	$ 62	$ 56