Goodwill and Intangible Assets (Schedule of Intangible Assets, Net) (Details) - USD ($) $ in Millions	Sep. 29, 2017	Mar. 31, 2017
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 2,505	$ 2,698
Accumulated Amortization	(529)	(577)
Net Carrying Amount	1,976	2,121
Indefinite-lived Intangible Assets [Line Items]
Gross Carrying Amount	3,376	3,581
Net Carrying Amount	2,847	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	1,463	1,646
Accumulated Amortization	(256)	(322)
Net Carrying Amount	1,207	1,324
Developed technology
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	1,032	1,006
Accumulated Amortization	(268)	(229)
Net Carrying Amount	764	777
Trade Names
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	10	46
Accumulated Amortization	(5)	(26)
Net Carrying Amount	$ 5	$ 20

[1] Derived from audited financial statements.