Restructuring and Employee Severance (Activity Related to Restructuring and Employee Severance Costs) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2022	Mar. 31, 2021
Restructuring Charges [Abstract]
Employee-related costs	$ 12	$ 13	$ 22	$ 45
Facility Exit and Other Costs	19	11	34	36
Total restructuring and employee severance	$ 31	$ 24	$ 56	$ 81