Debt - Assets Acquired by Debt (Details) - USD ($) $ in Millions	12 Months Ended
	Apr. 01, 2016	Apr. 03, 2015
Borrowings for assets acquired under long-term financing | Property and equipment
Schedule of Assets Acquired By Debt [Line Items]
Purchased assets financed by borrowing from customers under outsourcing contracts	$ 50	$ 58
Borrowings for assets acquired under long-term financing | Software
Schedule of Assets Acquired By Debt [Line Items]
Purchased assets financed by borrowing from customers under outsourcing contracts	94	97
Borrowings for assets acquired under long-term financing | Contract premium costs
Schedule of Assets Acquired By Debt [Line Items]
Purchased assets financed by borrowing from customers under outsourcing contracts	$ 44	$ 44
Outsourcing contract costs
Schedule of Assets Acquired By Debt [Line Items]
Expected maturity of debt in years	3 years
Outsourcing contract costs | Minimum
Schedule of Assets Acquired By Debt [Line Items]
Weighted average rate of interest (in hundredths)	0.50%
Outsourcing contract costs | Maximum
Schedule of Assets Acquired By Debt [Line Items]
Weighted average rate of interest (in hundredths)	9.50%