Segment and Geographic Information (Narrative) (Details) $ in Millions	3 Months Ended	9 Months Ended
Jan. 01, 2021 USD ($)	Jan. 03, 2020 USD ($)	Jan. 01, 2021 USD ($) segment	Jan. 03, 2020 USD ($)
Segment Reporting Information [Line Items]
Number of reportable segment \| segment			1
Revenues	$ 639	$ 618	$ 1,879	$ 1,876
U.S.
Segment Reporting Information [Line Items]
Revenues	$ 439	$ 433	$ 1,294	$ 1,316

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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+ Details