Segment Information (Reconciliation Of Total Segment Operating Income To Total Consolidated Operating Income) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Jan. 02, 2015	Dec. 27, 2013	Jan. 02, 2015	Dec. 27, 2013
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operating income	$ 327	$ 405	$ 997	$ 877
Stock-based compensation	51	34	140	111
Amortization of intangibles			121	170
Restructuring, separation, and transition	81	29	131	232
Segment Reconciling Items
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Stock-based compensation	51	34	140	111
Amortization of intangibles	39	41	121	169
Restructuring, separation, and transition	81	29	131	232
Operating Segments
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operating income	$ 498	$ 509	$ 1,389	$ 1,389