Income Taxes (Schedule Of Difference Between Effective Income Tax And Federal Statutory Income Tax) (Details) - USD ($) $ in Millions	12 Months Ended
	Mar. 31, 2017	Apr. 01, 2016	Apr. 03, 2015
Income Tax Disclosure [Abstract]
Federal statutory tax expense (benefit)	$ (92)	$ 138	$ 35
Foreign earnings not considered indefinitely reinvested, net	12	1,065	(8)
State taxes, net of federal benefit	(11)	9	(13)
Foreign earnings taxed at less than the federal rate	34	12	34
Domestic production activities deduction	0	(5)	(1)
Federal research and development credit	(9)	(9)	(8)
Valuation allowance (decrease) increase	(1)	10	1
Nondeductible separation costs	0	1	2
Change in uncertain tax positions	(24)	(4)	(57)
Nondeductible transaction costs	11	0	0
Write-off of tax attributes due to restructuring	52	0	0
Nondeductible officer compensation	7	0	0
Other, net	(5)	(4)	7
Income tax expense (benefit)	$ (26)	$ 1,213	$ (8)