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Financial Instruments and Fair Value Measurements (Narrative) (Details) - USD ($) $ in Millions		12 Months Ended
	Oct. 16, 2019	Apr. 03, 2020	Mar. 29, 2019	Mar. 30, 2018
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Non-marketable equity investments		$ 187	$ 184
Equity method investment, fair value		0	32
Proceeds from sale of equity method investment		380	0	$ 0
Gain on sale of equity method investment		379	0	0
Loss from equity interest		31	101	26
Level 2
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair value of debt		3,634	3,964
DigiCert
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Equity method investment, fair value			32
Proceeds from sale of equity method investment	$ 380
Gain on sale of equity method investment	$ 379
DigiCert \| Other Income
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loss from equity interest		$ 31	$ 101	$ 26