Income Taxes (Details 1) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Sep. 28, 2013	Sep. 29, 2012	Sep. 28, 2013	Sep. 29, 2012
Reconciliation of unrecognized tax benefits, excluding interest and penalties
Unrecognized tax benefits beginning balance	$ 101	$ 126	$ 100	$ 129
Additions related to current period tax positions	1	1	2	2
Additions related to prior period tax positions	0	2	1	2
Reductions related to settlements with taxing authorities	0	(1)	(2)	(2)
Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities	(1)	0	(1)	0
Changes related to foreign currency translation	1	2	2	(1)
Unrecognized tax benefits ending balance	102	130	102	130
Reconciliation of accrued interest and penalties related to unrecognized tax benefits
Accrued interest and penalties beginning balance	50	38	50	39
Net additions charged to expense	2	19	3	20
Reductions related to prior period tax positions	0	0	(1)	(2)
Changes related to foreign currency translation	1	0	1	0
Accrued interest and penalties ending balance	$ 53	$ 57	$ 53	$ 57