Restructuring, Separation, And Transition (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended					0 Months Ended
	Oct. 03, 2014 Fiscal 2014 Plan	Oct. 03, 2014 Fiscal 2014 Plan Restructuring Plan - Severance	Oct. 03, 2014 Fiscal 2015 Plan	Oct. 03, 2014 Fiscal 2015 Plan Restructuring Plan - Severance	Oct. 03, 2014 Fiscal 2015 Plan Separation Costs	Nov. 03, 2014 Subsequent Event Fiscal 2015 Plan Minimum	Nov. 03, 2014 Subsequent Event Fiscal 2015 Plan Minimum Restructuring Plan - Severance	Nov. 03, 2014 Subsequent Event Fiscal 2015 Plan Minimum Separation Costs	Nov. 03, 2014 Subsequent Event Fiscal 2015 Plan Maximum	Nov. 03, 2014 Subsequent Event Fiscal 2015 Plan Maximum Restructuring Plan - Severance	Nov. 03, 2014 Subsequent Event Fiscal 2015 Plan Maximum Separation Costs	Oct. 09, 2014 Information Management Subsequent Event Tax-free Distribution company
Restructuring Cost and Reserve [Line Items]
Cumulative incurred to date	$ 238	$ 235	$ 17	$ 8	$ 9
Planned number of independent companies												2
Expected cost						$ 180	$ 100	$ 80	$ 220	$ 120	$ 100