Severance and Exit Costs 2 (Details) (USD $) In Millions, unless otherwise specified													14 Months Ended
	Jun. 30, 2014	Mar. 31, 2014	Jun. 30, 2013	Mar. 31, 2013	Jun. 30, 2014 Severance [Member]	Mar. 31, 2014 Severance [Member]	Jun. 30, 2013 Severance [Member]	Mar. 31, 2013 Severance [Member]	Jun. 30, 2014 Facility Exit [Member]	Mar. 31, 2014 Facility Exit [Member]	Jun. 30, 2013 Facility Exit [Member]	Mar. 31, 2013 Facility Exit [Member]	Jun. 30, 2014 Fiscal 2014 Plan [Member] Employee	Jun. 30, 2014 Fiscal 2014 Plan [Member] Severance [Member]	Jun. 30, 2014 Fiscal 2014 Plan [Member] Facility Exit [Member]	Jun. 30, 2013 Plans and Actions Prior to Fiscal Year 2014 [Member] Severance [Member]	Jun. 30, 2014 Plans and Actions Prior to Fiscal Year 2014 [Member] Facility Exit [Member]	Jun. 30, 2013 Plans and Actions Prior to Fiscal Year 2014 [Member] Facility Exit [Member]
Restructuring Cost and Reserve [Line Items]
Workforce rebalancing (number of employees)													1,800
Cost incurred to date														$ 158	$ 22
Expected cost													190	168	22
Accrued balance	$ 58	$ 84	$ 126	$ 39	$ 33	$ 55	$ 93	$ 16	$ 25	$ 29	$ 33	$ 23				$ 10	$ 12	$ 16