Commitments and Contingencies (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended			69 Months Ended
	Apr. 03, 2020	Mar. 29, 2019	Mar. 30, 2018	Sep. 30, 2012	Jan. 31, 2014
Loss Contingencies [Line Items]
Total net revenues	$ 2,490	$ 2,456	$ 2,559
GSA Schedule Contract
Loss Contingencies [Line Items]
Total net revenues				$ 222
GSA analysis of damage exposure					$ 145
GSA Schedule Contract | Minimum
Loss Contingencies [Line Items]
Current estimate of the low end of the range of estimated loss	25
Avila v. LifeLock et al
Loss Contingencies [Line Items]
Litigation settlement payment	20
Litigation settlement expense	$ 20