Income Taxes (Provision for Income Taxes) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended				12 Months Ended
	Sep. 29, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 30, 2012	Sep. 28, 2014	Sep. 29, 2013	Sep. 30, 2012
Income Tax Disclosure [Abstract]
Current taxes: US federal, Total					$ 822.7	$ 616.6	$ 466.0
Current taxes: US federal, Related to litigation charge						0
Current taxes: US federal, Other						616.6
Current taxes: US state and local, Total					132.9	93.8	79.9
Current taxes: US state and local, Related to litigation charge						0
Current taxes: US state and local, Other						93.8
Current taxes: Foreign, Total					128.8	95.9	76.8
Current taxes: Foreign, Related to litigation charge						0
Current taxes: Foreign, Other						95.9
Total current taxes					1,084.4	806.3	622.7
Total current taxes, Related to litigation charge						0
Total current taxes, Other						806.3
Deferred taxes: US federal, Total					12.0	(898.8)	49.2
Deferred taxes: US federal, Related to litigation charge						(922.3)
Deferred taxes: US federal, Other						23.5
Deferred taxes: US state and local, Total					(4.9)	(144.0)	(0.7)
Deferred taxes: US state and local, Related to litigation charge						(148.7)
Deferred taxes: US state and local, Other						4.7
Deferred taxes: Foreign					0.5	(2.2)	3.2
Deferred taxes: Foreign, Related to litigation charge						0
Deferred taxes: Foreign, Other						(2.2)
Total deferred taxes					7.6	(1,045.0)	51.7
Total deferred taxes, Related to litigation charge						(1,071.0)
Total deferred taxes, Other						26.0
Total provision for income taxes	(820.1)	194.6	198.1	188.7	1,092.0	(238.7)	674.4
Total provision for income taxes, Related to litigation charge						(1,071.0)
Total provision for income taxes, Other						$ 832.3