Income Taxes (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Jul. 05, 2019	Apr. 03, 2020	Mar. 29, 2019	Mar. 30, 2018
Income Taxes [Line Items]
Pretax income from international operations		$ 152	$ 72	$ 497
Valuation allowance		9	$ 105
Change in gross unrecognized tax benefit		278
Unrecognized tax benefits which would affect the effective income tax rate		593
Accrued penalties and interest		77
Interest included in the provision for income taxes		43
Possible decrease in gross unrecognized tax benefit in the next 12 months		31
Altera v. Commissioner
Income Taxes [Line Items]
Change in gross unrecognized tax benefit	$ 62
Domestic | U.S. Federal
Income Taxes [Line Items]
Operating loss carryforwards		128
Operating loss carryforwards, subject to limitation		34
State
Income Taxes [Line Items]
Operating loss carryforwards		23
Foreign
Income Taxes [Line Items]
Operating loss carryforwards		89
Tax credit carryforward		$ 6