Goodwill and Intangible Assets (Schedule of Intangible Assets, Net) (Details) - USD ($) $ in Millions	Dec. 29, 2017	Mar. 31, 2017
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 2,518	$ 2,698
Accumulated Amortization	(635)	(577)
Net Carrying Amount	1,883	2,121
Indefinite-lived Intangible Assets [Line Items]
Gross Carrying Amount	3,389	3,581
Net Carrying Amount	2,754	3,004	[1]
Trade Names
Indefinite-lived Intangible Assets [Line Items]
Indefinite-lived intangible assets	852	864
In-process research and development
Indefinite-lived Intangible Assets [Line Items]
Indefinite-lived intangible assets	19	19
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	1,462	1,646
Accumulated Amortization	(305)	(322)
Net Carrying Amount	1,157	1,324
Developed technology
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	1,043	1,006
Accumulated Amortization	(323)	(229)
Net Carrying Amount	720	777
Trade Names
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	13	46
Accumulated Amortization	(7)	(26)
Net Carrying Amount	$ 6	$ 20

[1] Derived from audited financial statements.