Acquisitions Fiscal 2014 Acquisitions (Details) - USD ($) $ in Millions				3 Months Ended	12 Months Ended
		Nov. 15, 2013	Aug. 05, 2013	Mar. 28, 2014	Apr. 01, 2016		Apr. 03, 2015		Mar. 28, 2014		Dec. 27, 2013
Business Acquisition [Line Items]
Payment of contingent consideration	[1]				$ 0		$ 0		$ (98)
Revenues					7,106	[2]	8,117	[3]	8,899	[3]
Operating income (loss)					515		459		852
Amortization of acquired intangible					286		374		364
Goodwill				$ 879	1,277		838	[4]	879
GBS
Business Acquisition [Line Items]
Goodwill				680	914		639		680
GIS
Business Acquisition [Line Items]
Goodwill				199	$ 363		$ 199		199
ServiceMesh, Inc
Business Acquisition [Line Items]
Total purchase consideration		$ 282
Consideration transferred, cash		163
Consideration transferred, debt retired		10
Consideration transferred, contingent consideration		119
Transaction costs		4
Contingent consideration from business acquisition		98
Payment of contingent consideration				$ 18
Revenues									18
Operating income (loss)									17
Amortization of acquired intangible									$ 4
Goodwill		184
ServiceMesh, Inc | Restricted Stock Units (RSUs)
Business Acquisition [Line Items]
Grant date fair value amount		$ 41
Vesting period (in years)		3 years
ServiceMesh, Inc | GBS
Business Acquisition [Line Items]
Goodwill		$ 28
ServiceMesh, Inc | GIS
Business Acquisition [Line Items]
Goodwill		120
ServiceMesh, Inc | NPS Segment
Business Acquisition [Line Items]
Goodwill		36
ServiceMesh, Inc | Selling, general and administrative
Business Acquisition [Line Items]
Contingent consideration from business acquisition		$ 21
ServiceMesh, Inc | Level 3 | Recurring
Business Acquisition [Line Items]
Contingent consideration from business acquisition											$ 137
InfoChimps Inc
Business Acquisition [Line Items]
Goodwill			$ 27
Cash consideration for business acquisition			27
Current assets acquired			2
Current and long-term liabilities assumed			$ 2

[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] 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.

[3] 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.

[4] 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.