Acquisitions Fiscal 2016 Acquisitions (Details) - USD ($) $ in Millions						6 Months Ended	12 Months Ended
		Feb. 26, 2016	Dec. 11, 2015	Sep. 24, 2015	Sep. 17, 2015	Apr. 01, 2016	Apr. 01, 2016		Apr. 03, 2015		Mar. 28, 2014
Business Acquisition [Line Items]
Payments for acquisitions, net of cash acquired	[1]						$ 554		$ 49		$ 190
Goodwill						$ 1,277	1,277		838	[2]	879
Change in contingent consideration	[1]						0		0		(98)
Revenues							7,106	[3]	8,117	[4]	8,899	[4]
Operating loss							(515)		$ (459)		$ (852)
UXC Limited
Business Acquisition [Line Items]
Payments for acquisitions, net of cash acquired		$ 289
Cash acquired from acquisition		13
Consideration transferred, cash		302
Transaction costs		7
Goodwill		$ 254
Revenues							42
Operating loss							1
Axon Puerto Rico
Business Acquisition [Line Items]
Payments for acquisitions, net of cash acquired			$ 29
Cash acquired from acquisition			5
Transaction costs			1
Goodwill			12
Current assets acquired			5
Noncurrent assets			3
Intangible assets, other than goodwill			11
Trade payables, accrued expenses and deferred revenue			$ 2
Fixnetix, Limited
Business Acquisition [Line Items]
Payments for acquisitions, net of cash acquired				$ 88
Cash acquired from acquisition				1
Consideration transferred, cash				112
Transaction costs				1
Goodwill				77		2	$ 2
Change in contingent consideration						$ (19)
Trade payables, accrued expenses and deferred revenue				26
Liabilities incurred				$ 21
Fruition Partners
Business Acquisition [Line Items]
Payments for acquisitions, net of cash acquired					$ 148
Cash acquired from acquisition					2
Transaction costs					2
Goodwill					103
Trade payables, accrued expenses and deferred revenue					$ 12
Customer relationships | UXC Limited
Business Acquisition [Line Items]
Useful life		10 years
Customer relationships | Axon Puerto Rico
Business Acquisition [Line Items]
Useful life			10 years

[1] Due to the adoption of ASU 2016-09 certain balances related to employee stock-based compensation were adjusted retrospectively as discussed in Note 1 .

[2] Certain prior year balances were adjusted to give effect to discontinued operations as described in Note 4, for certain errors in previously issued financial statements related to income taxes as described in Note 1, and for the retrospective application of ASU 2015-17 and ASU 2016-09 as described in Note 1.

[3] Due to the adoption of ASU 2016-09 certain balances related to excess tax benefits from stock compensation were adjusted prospectively as described in Note 1.

[4] Certain prior year balances were adjusted for certain errors in previously issued financial statements related to income taxes as described in Note 1 and to give effect to discontinued operations as described in Note 4.