Segment Information (Reconciliation of Total Segment Operating Income to Total Consolidated Operating Income) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Oct. 02, 2015	Oct. 03, 2014	Oct. 02, 2015	Oct. 03, 2014
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operating income	$ 203	$ 348	$ 404	$ 670
Stock-based compensation	80	46	133	89
Amortization of intangibles			59	82
Restructuring. separation, and transition	111	30	235	50
Operating Segments
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operating income	421	464	831	891
Segment Reconciling Items
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Stock-based compensation	80	46	133	89
Amortization of intangibles	27	40	59	82
Restructuring. separation, and transition	$ 111	$ 30	$ 235	$ 50