Employee Stock Plans (Stock-Based Compensation Expense Recognized in Consolidated Statement of Earnings) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jun. 28, 2015	Jun. 29, 2014	Jun. 28, 2015	Jun. 29, 2014
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation expense	$ 52.0	$ 51.0	$ 156.2	$ 142.6
Stock Options [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation expense	8.3	9.9	28.9	32.4
Restricted Stock Units (RSUs) [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation expense	$ 43.7	$ 41.1	$ 127.3	$ 110.2