Restructuring and Employee Severance (Activity Related to Restructuring and Employee Severance Costs) (Details) - USD ($) $ in Millions	12 Months Ended
Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2017
Restructuring Charges [Abstract]
Employee-related costs	$ 95	$ 34	$ 51
Facility Exit and Other Costs	30	142	5
Total restructuring and employee severance	$ 125	$ 176	$ 56

Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation.

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Period Type:	duration