Segment and Geographic Information (Disaggregated Net Revenue) (Details) - USD ($) $ in Millions	12 Months Ended
	Apr. 03, 2020	Mar. 29, 2019	Mar. 30, 2018
Revenue from External Customer [Line Items]
Total net revenues	$ 2,490	$ 2,456	$ 2,559
Consumer security
Revenue from External Customer [Line Items]
Total net revenues	1,474	1,471	1,504
Identity and information protection
Revenue from External Customer [Line Items]
Total net revenues	970	937	776
WSS and PKI
Revenue from External Customer [Line Items]
Total net revenues	0	0	238
ID Analytics
Revenue from External Customer [Line Items]
Total net revenues	$ 46	$ 48	$ 41