Fair Value (Details) (USD $) In Millions, unless otherwise specified	Sep. 27, 2013	Mar. 29, 2013
Assets:
Foreign currency derivative instruments	$ 3	$ 5
Fair Value, Measurements, Recurring | Fair Value
Assets:
Money market funds and money market deposit accounts	718	464
Time deposits	374	393
Short term investments	0	6
Foreign currency derivative instruments	3	5
Interest rate swaps	5
Total assets	1,100	868
Liabilities:
Foreign currency derivative instruments	18	11
Total liabilities	18	11
Fair Value, Measurements, Recurring | Level 1
Assets:
Money market funds and money market deposit accounts	718	464
Time deposits	374	393
Short term investments	0	6
Foreign currency derivative instruments		0
Interest rate swaps	0
Total assets	1,092	863
Liabilities:
Foreign currency derivative instruments	0	0
Total liabilities	0	0
Fair Value, Measurements, Recurring | Level 2
Assets:
Money market funds and money market deposit accounts	0	0
Time deposits	0	0
Short term investments	0	0
Foreign currency derivative instruments	3	5
Interest rate swaps	5
Total assets	8	5
Liabilities:
Foreign currency derivative instruments	18	11
Total liabilities	18	11
Fair Value, Measurements, Recurring | Level 3
Assets:
Money market funds and money market deposit accounts	0	0
Time deposits	0	0
Short term investments	0	0
Foreign currency derivative instruments		0
Interest rate swaps	0
Total assets	0	0
Liabilities:
Foreign currency derivative instruments	0	0
Total liabilities	$ 0	$ 0