Acquisitions (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended			3 Months Ended	12 Months Ended
	Mar. 29, 2014	Mar. 30, 2013	Sep. 28, 2013	Mar. 29, 2014 Series of Individually Immaterial Business Acquisitions [Member] business	Sep. 28, 2013 Series of Individually Immaterial Business Acquisitions [Member] business
Business Acquisition [Line Items]
Number of Businesses Acquired				1	2
Acquisitions, net of cash acquired	$ (56)	$ (10)		$ (56)	$ (106)
Purchase price of property, plant and equipment				12	50
Purchase price of intangible assets				27	41
Goodwill	$ 1,925		$ 1,902	$ 18	$ 12