Restructuring and Employee Severance (Narrative) (Details) - USD ($) $ in Millions		12 Months Ended
		Jun. 30, 2015	[2]	Jun. 30, 2014		Jun. 30, 2013
Restructuring Cost and Reserve [Line Items]
Severance costs	[1]	$ 34		$ 13	[3]	$ 59	[4]
Facility exit and other costs	[5]	$ 10		18	[3]	12	[4]
Fiscal 2013 Medical Restructuring
Restructuring Cost and Reserve [Line Items]
Severance costs						30
Facility exit and other costs				10		10
Fiscal 2013 Medical Restructuring | Waukegan, Illinois Property
Restructuring Cost and Reserve [Line Items]
Restructuring and related costs incurred to date				$ 18		51
Nuclear Pharmacy Services | Employee-Related Costs
Restructuring Cost and Reserve [Line Items]
Restructuring and related costs incurred to date						$ 11

[1] Employee-related costs primarily consist of termination benefits provided to employees who have been involuntarily terminated and duplicate payroll costs during transition periods.

[2] The majority of the restructuring and employee severance incurred during fiscal 2015 were related to restructuring activities within our Medical segment.

[3] Includes $10 million of primarily facility exit and other costs related to the restructuring within our Medical segment described further below.

[4] Includes $30 million of employee-related costs and $10 million of facility exit and other costs related to the restructuring within our Medical segment described further below.

[5] Facility exit and other costs primarily consist of lease termination costs, accelerated depreciation, equipment relocation costs, project consulting fees and costs associated with restructuring our delivery of information technology infrastructure services.