Segment and Geographical Information (Schedule of Product Revenue Information) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Oct. 04, 2019	Sep. 28, 2018	Oct. 04, 2019	Sep. 28, 2018
Segment Reporting Information [Line Items]
Net revenues	$ 608	$ 612	$ 1,258	$ 1,224
Consumer security
Segment Reporting Information [Line Items]
Net revenues	358	368	739	737
Identity and information protection
Segment Reporting Information [Line Items]
Net revenues	237	233	492	464
Other
Segment Reporting Information [Line Items]
Net revenues	$ 13	$ 11	$ 27	$ 23