Segment Information (Reconciliation Of Total Segment Oerating Income To Total Consolidated Operating Income) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Jun. 28, 2013	Jun. 29, 2012
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operating income	$ 224	$ 250
Total Segment Operating Income [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operating income	432	416
Segment Reconciling Items, Amortization Of Intangibles [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operating income	86	90
Segment Reconciling Items, Restructuring And Transition [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operating income	83	35
Segment Reconciling Items, Stock-based Compensation [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operating income	39	38
Segment Reconciling Items, Acquisition-related Expenses [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operating income		$ 3