Segment and Geographic Information (Narrative) (Details) $ in Millions	3 Months Ended		6 Months Ended
	Oct. 02, 2020 USD ($)	Oct. 04, 2019 USD ($)	Oct. 02, 2020 USD ($) segment	Oct. 04, 2019 USD ($)
Segment Reporting Information [Line Items]
Number of reportable segment | segment			1
Revenues	$ 626	$ 608	$ 1,240	$ 1,258
U.S.
Segment Reporting Information [Line Items]
Revenues	$ 428	$ 427	$ 855	$ 883