Retirement Plans (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Mar. 28, 2020 |
Mar. 30, 2019 |
Mar. 31, 2018 |
|
| Retirement Benefits [Abstract] | |||
| Defined contribution plan, service period for eligibility | 3 months | ||
| Expenses recognized for defined contribution plans | $ 12 | $ 14 | $ 12 |