Restructuring Costs (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Oct. 02, 2015	Oct. 03, 2014	Oct. 02, 2015	Oct. 03, 2014
Restructuring Cost and Reserve [Line Items]
Restructuring costs		$ 6	$ (7)	$ 6	$ 3
Composition of Workforce Restructuring Liability [Roll Forward]
Costs expensed in fiscal 2016		6	(7)	6	3
Restructuring liability		195		195
Cost of Sales
Restructuring Cost and Reserve [Line Items]
Restructuring costs		(1)	(7)	(1)	1
Composition of Workforce Restructuring Liability [Roll Forward]
Costs expensed in fiscal 2016		(1)	(7)	(1)	1
Selling, General and Administrative Expenses
Restructuring Cost and Reserve [Line Items]
Restructuring costs		7	0	7	2
Composition of Workforce Restructuring Liability [Roll Forward]
Costs expensed in fiscal 2016		7	0	7	2
GBS
Restructuring Cost and Reserve [Line Items]
Restructuring costs		4	(2)	4	2
Composition of Workforce Restructuring Liability [Roll Forward]
Costs expensed in fiscal 2016		4	(2)	4	2
GIS
Restructuring Cost and Reserve [Line Items]
Restructuring costs		1	(5)	1	1
Composition of Workforce Restructuring Liability [Roll Forward]
Costs expensed in fiscal 2016		1	(5)	1	1
NPS
Restructuring Cost and Reserve [Line Items]
Restructuring costs		1	0	1	0
Composition of Workforce Restructuring Liability [Roll Forward]
Costs expensed in fiscal 2016		1	0	1	0
Corporate
Restructuring Cost and Reserve [Line Items]
Restructuring costs		0	0	0	0
Composition of Workforce Restructuring Liability [Roll Forward]
Costs expensed in fiscal 2016		0	$ 0	0	$ 0
Accrued expenses
Composition of Workforce Restructuring Liability [Roll Forward]
Restructuring reserve, current		189		189
Other Long Term Liabilities
Composition of Workforce Restructuring Liability [Roll Forward]
Restructuring reserve, noncurrent		6		6
Fiscal 2016 Plan | Facilities costs
Restructuring Cost and Reserve [Line Items]
Restructuring costs				21
Composition of Workforce Restructuring Liability [Roll Forward]
Restructuring liability				0
Costs expensed in fiscal 2016				21
Cash paid				0
Other				0
Restructuring liability		21		21
Fiscal 2015 Plan
Restructuring Cost and Reserve [Line Items]
Restructuring costs				(15)
Composition of Workforce Restructuring Liability [Roll Forward]
Restructuring liability				235
Costs expensed in fiscal 2016				(15)
Cash paid	[1]			(58)
Other	[2]			8
Restructuring liability		170		170
Fiscal 2015 Plan | Workforce reductions
Restructuring Cost and Reserve [Line Items]
Restructuring costs				(15)
Composition of Workforce Restructuring Liability [Roll Forward]
Restructuring liability				230
Costs expensed in fiscal 2016				(15)
Cash paid	[1]			(56)
Other	[2]			7
Restructuring liability		166		166
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]			(2)
Other	[2]			1
Restructuring liability		4		4
Fiscal 2015 Plan | Special restructuring
Composition of Workforce Restructuring Liability [Roll Forward]
Cash paid	[2]			(51)
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				(4)
Other	[3]			(1)
Restructuring liability		4		4
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				(2)
Other	[3]			(1)
Restructuring liability		0		0
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				(2)
Other	[3]			0
Restructuring liability		4		4
Fiscal 2012 Plan
Composition of Workforce Restructuring Liability [Roll Forward]
Restructuring liability				1
Restructuring liability		$ 0		$ 0

[1] Includes $51 million related to fourth quarter fiscal 2015 special restructuring

[2] Foreign currency translation adjustments

[3] Foreign currency translation adjustments