Discontinued Operations (Income (Loss) From Discontinued Operations) (Details) - Information Management - Discontinued Operations, Held-for-sale - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jan. 01, 2016	Jan. 02, 2015	Jan. 01, 2016	Jan. 02, 2015
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract]
Net revenues	$ 570	$ 668	$ 1,749	$ 1,933
Cost of revenues	92	102	292	315
Operating expenses	377	273	1,135	824
Other income (expense), net	8	0	2	(3)
Income from discontinued operations before income tax	109	293	324	791
Provision for income taxes	53	46	73	143
Net income from discontinued operations	$ 56	$ 247	$ 251	$ 648