Segment and Geographic Information (Schedule of Product Revenue Information) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jan. 01, 2021	Jan. 03, 2020	Jan. 01, 2021	Jan. 03, 2020
Segment Reporting Information [Line Items]
Net revenues	$ 639	$ 618	$ 1,879	$ 1,876
Consumer security
Segment Reporting Information [Line Items]
Net revenues	378	356	1,111	1,091
Identity and information protection
Segment Reporting Information [Line Items]
Net revenues	261	247	768	743
ID Analytics
Segment Reporting Information [Line Items]
Net revenues	$ 0	$ 15	$ 0	$ 42