Restructuring Costs (Details) - USD ($) $ in Millions		3 Months Ended
		Jul. 03, 2015	Jul. 04, 2014
Restructuring Cost and Reserve [Line Items]
Restructuring costs		$ 0	$ 10
Composition of Workforce Restructuring Liability [Roll Forward]
Costs expensed in fiscal 2016		0	10
Restructuring liability		228
Cost of Sales
Restructuring Cost and Reserve [Line Items]
Restructuring costs		0	8
Composition of Workforce Restructuring Liability [Roll Forward]
Costs expensed in fiscal 2016		0	8
Selling, General and Administrative Expenses
Restructuring Cost and Reserve [Line Items]
Restructuring costs		0	2
Composition of Workforce Restructuring Liability [Roll Forward]
Costs expensed in fiscal 2016		0	2
GBS
Restructuring Cost and Reserve [Line Items]
Restructuring costs		0	4
Composition of Workforce Restructuring Liability [Roll Forward]
Costs expensed in fiscal 2016		0	4
GIS
Restructuring Cost and Reserve [Line Items]
Restructuring costs		0	6
Composition of Workforce Restructuring Liability [Roll Forward]
Costs expensed in fiscal 2016		0	6
NPS
Restructuring Cost and Reserve [Line Items]
Restructuring costs		0	0
Composition of Workforce Restructuring Liability [Roll Forward]
Costs expensed in fiscal 2016		0	0
Corporate
Restructuring Cost and Reserve [Line Items]
Restructuring costs		0	0
Composition of Workforce Restructuring Liability [Roll Forward]
Costs expensed in fiscal 2016		0	$ 0
Accrued expenses
Composition of Workforce Restructuring Liability [Roll Forward]
Restructuring reserve, current		223
Other Long Term Liabilities
Composition of Workforce Restructuring Liability [Roll Forward]
Restructuring reserve, noncurrent		5
Fiscal 2015 Plan
Restructuring Cost and Reserve [Line Items]
Restructuring costs		0
Composition of Workforce Restructuring Liability [Roll Forward]
Restructuring liability		235
Costs expensed in fiscal 2016		0
Cash paid	[1]	(23)
Other	[2]	9
Restructuring liability		221
Fiscal 2015 Plan | Workforce reductions
Restructuring Cost and Reserve [Line Items]
Restructuring costs		0
Composition of Workforce Restructuring Liability [Roll Forward]
Restructuring liability		230
Costs expensed in fiscal 2016		0
Cash paid	[1]	(22)
Other	[2]	9
Restructuring liability		217
Fiscal 2015 Plan | Facilities costs
Restructuring Cost and Reserve [Line Items]
Restructuring costs		0
Composition of Workforce Restructuring Liability [Roll Forward]
Restructuring liability		5
Costs expensed in fiscal 2016		0
Cash paid	[1]	(1)
Other	[2]	0
Restructuring liability		4
Fiscal 2015 Plan | Special restructuring
Composition of Workforce Restructuring Liability [Roll Forward]
Cash paid	[1]	(19)
Fiscal 2013 Plan
Restructuring Cost and Reserve [Line Items]
Restructuring costs		0
Composition of Workforce Restructuring Liability [Roll Forward]
Restructuring liability		9
Costs expensed in fiscal 2016		0
Cash paid		(2)
Other	[3]	(1)
Restructuring liability		6
Fiscal 2013 Plan | Workforce reductions
Restructuring Cost and Reserve [Line Items]
Restructuring costs		0
Composition of Workforce Restructuring Liability [Roll Forward]
Restructuring liability		3
Costs expensed in fiscal 2016		0
Cash paid		(1)
Other	[3]	(1)
Restructuring liability		1
Fiscal 2013 Plan | Facilities costs
Restructuring Cost and Reserve [Line Items]
Restructuring costs		0
Composition of Workforce Restructuring Liability [Roll Forward]
Restructuring liability		6
Costs expensed in fiscal 2016		0
Cash paid		(1)
Other	[3]	0
Restructuring liability		5
Fiscal 2012 Plan
Composition of Workforce Restructuring Liability [Roll Forward]
Restructuring liability		1
Restructuring liability		$ 1

[1] Includes $19 million related to fourth quarter fiscal 2015 special restructuring

[2] Foreign currency translation adjustments

[3] Foreign currency translation adjustments