Restructuring and Employee Severance (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended		12 Months Ended	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2014 Fiscal 2013 Medical Restructuring	Mar. 31, 2013 Fiscal 2013 Medical Restructuring	Mar. 31, 2014 Fiscal 2013 Medical Restructuring	Mar. 31, 2013 Fiscal 2013 Medical Restructuring	Jun. 30, 2013 Fiscal 2013 Medical Restructuring	Jun. 30, 2014 Scenario, Forecast Fiscal 2013 Medical Restructuring
Restructuring Cost and Reserve
Restructuring and Related Activities, Initiation Date									Jan. 30, 2013
Restructuring and employee severance	$ 5	$ 33	$ 25	$ 39	$ 1	$ 29	$ 13	$ 29
Restructuring and Related Cost, Expected Cost							77			5
Restructuring and Related Cost, Cost Incurred to Date							$ 21		$ 51