Segment and Geographical Information (Schedule of Long-lived Assets by Geographic Location) (Details) - USD ($) $ in Millions	Sep. 28, 2018	Mar. 30, 2018
Revenue from External Customer [Line Items]
Total cash, cash equivalent and short-term investments	$ 2,436	$ 2,162
Total property and equipment, net	778	778	[1]
U.S.
Revenue from External Customer [Line Items]
Total cash, cash equivalent and short-term investments	1,738	858
Total property and equipment, net	680	677
International
Revenue from External Customer [Line Items]
Total cash, cash equivalent and short-term investments	698	1,304
Total property and equipment, net	$ 98	$ 101

[1] Derived from audited financial statements.