Employee Stock and Benefit Plans (Stock-Based Compensation Expense Recognized In Consolidated Statement Of Earnings) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Sep. 29, 2013	Sep. 30, 2012	Oct. 02, 2011
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation expense	$ 142.3	$ 153.6	$ 145.2
Total related tax benefit	49.8	54.2	51.2
Total capitalized stock-based compensation included in net property, plant and equipment and inventories on the consolidated balance sheets	1.8	2.0	2.1
Options [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation expense	37.1	46.2	60.4
Restricted Stock Units (RSUs) [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation expense	$ 105.2	$ 107.4	$ 84.8