Debt Assets Acquired by Debt (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Mar. 28, 2014	Mar. 29, 2013
Borrowings for Assets Acquired Under Long-term Financing [Member] | Property and equipment [Member]
Schedule of Assets Acquired By Debt [Line Items]
Purchased assets financed by borrowing from customers under outsourcing contracts	88	$ 69
Borrowings for Assets Acquired Under Long-term Financing [Member] | Software
Schedule of Assets Acquired By Debt [Line Items]
Purchased assets financed by borrowing from customers under outsourcing contracts	76	54
Borrowings for Assets Acquired Under Long-term Financing [Member] | Contract premium costs [Member]
Schedule of Assets Acquired By Debt [Line Items]
Purchased assets financed by borrowing from customers under outsourcing contracts	93	90
Borrowings for Assets Acquired Under Long-term Financing [Member] | Other assets acquired [Member]
Schedule of Assets Acquired By Debt [Line Items]
Purchased assets financed by borrowing from customers under outsourcing contracts	10	$ 10
Outsourcing contract costs
Schedule of Assets Acquired By Debt [Line Items]
Expected maturity of debt in years	5 years
Outsourcing contract costs | Minimum
Schedule of Assets Acquired By Debt [Line Items]
Weighted average rate of interest (in hundredths)	0.00%
Outsourcing contract costs | Maximum
Schedule of Assets Acquired By Debt [Line Items]
Weighted average rate of interest (in hundredths)	9.50%