Stockholders' Equity (Schedule of Accumulated Other Comprehensive Income) (Details) $ in Millions	3 Months Ended
	Jun. 29, 2018 USD ($)
AOCI Attributable to Parent, Net of Tax [Roll Forward]
March 30, 2018	$ 5,023	[1]
June 29, 2018	5,918
Total
AOCI Attributable to Parent, Net of Tax [Roll Forward]
March 30, 2018	4
Other comprehensive loss before reclassification	(24)
June 29, 2018	(20)
Foreign Currency Translation Adjustments
AOCI Attributable to Parent, Net of Tax [Roll Forward]
March 30, 2018	8
Other comprehensive loss before reclassification	(24)
June 29, 2018	(16)
Unrealized Loss on Available-For-Sale Securities
AOCI Attributable to Parent, Net of Tax [Roll Forward]
March 30, 2018	(4)
Other comprehensive loss before reclassification	0
June 29, 2018	$ (4)

[1] Derived from audited financial statements.