Segment and Geographic Information (Schedule of Product Revenue Information) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Oct. 02, 2020	Oct. 04, 2019	Oct. 02, 2020	Oct. 04, 2019
Segment Reporting Information [Line Items]
Net revenues	$ 626	$ 608	$ 1,240	$ 1,258
Consumer security
Segment Reporting Information [Line Items]
Net revenues	370	354	733	735
Identity and information protection
Segment Reporting Information [Line Items]
Net revenues	256	241	507	496
ID Analytics
Segment Reporting Information [Line Items]
Net revenues	$ 0	$ 13	$ 0	$ 27