Restructuring and Employee Severance Narative (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2020	Dec. 31, 2019
Restructuring Cost and Reserve [Line Items]
Restructuring Costs			$ 41
Employee-related costs	$ 8	$ 42	32	$ 62
Facility Exit and Other Costs	$ 12	$ 14	$ 25	$ 24