Segment Reporting (Reconciliation Of Total Segment Operating Income To Consolidated Earnings Before Income Taxes) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	6 Months Ended	12 Months Ended
Mar. 30, 2014	Sep. 29, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 30, 2012	Mar. 30, 2014	Mar. 31, 2013	Sep. 29, 2013	Sep. 30, 2012
Operating income/(loss)	$ 644.1	$ (2,115.2)	$ 615.2	$ 544.1	$ 630.6	$ 1,457.7	$ 1,174.6	$ (325.4)	$ 1,997.4
Interest income and other, net	17.8	72.1	3.5	50.8	(2.9)	37.6	48.0	123.6	94.4
Interest expense	(16.7)	(9.1)	(6.3)	(6.1)	(6.6)	(31.3)	(12.7)	(28.1)	(32.7)
Earnings before income taxes	645.2	(2,052.2)	612.4	588.8	621.1	1,464.0	1,209.9	(229.9)	2,059.1
Operating Segments [Member]
Operating income/(loss)	829.8			713.2		1,809.1	1,490.5
Corporate, Non-Segment [Member]
Operating income/(loss)	$ (185.7)			$ (169.1)		$ (351.4)	$ (315.9)

This element represents the income or loss from continuing operations attributable to the economic entity which may also be defined as revenue less expenses from ongoing operations, after income or loss from equity method investments, but before income taxes, extraordinary items, and noncontrolling interest.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 10

-Article 5

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- Definition

The amount of interest income and other income recognized during the period. Included in this element is interest derived from investments in debt securities, cash and cash equivalents, and other investments which reflect the time value of money or transactions in which the payments are for the use or forbearance of money and other income from ancillary business-related activities (that is, excluding major activities considered part of the normal operations of the business).

+ References

No definition available.

+ Details

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- Definition

Amount of the cost of borrowed funds accounted for as interest expense.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 20

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6450988&loc=d3e26243-108391

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 225

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-04.9)

-URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Paragraph 9

-Article 9

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- Definition

The net result for the period of deducting operating expenses from operating revenues.

+ References

No definition available.

+ Details

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