Restructuring and Employee Severance (Narrative) (Details) (Fiscal 2013 Medical Restructuring, USD $) In Millions, unless otherwise specified	3 Months Ended	9 Months Ended	12 Months Ended
	Sep. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Restructuring Cost and Reserve
Restructuring and Related Activities, Initiation Date			Jan. 30, 2013
Restructuring and Related Cost, Expected Cost	$ 79	$ 22
Restructuring and Related Cost, Cost Incurred to Date	6		51
Facility Exit and Other Costs
Restructuring Cost and Reserve
Restructuring and Related Cost, Expected Cost		8
Loss on Disposal of Assets
Restructuring Cost and Reserve
Restructuring and Related Cost, Expected Cost		$ 14