Goodwill and Intangible Assets (Schedule Of Intangible Assets) (Details) - USD ($) $ in Millions	Sep. 30, 2016	Sep. 25, 2015
Amortizable:
Finite-lived intangible assets, gross	$ 10,331.4	$ 10,198.0
Accumulated amortization	1,583.2	882.9
Non-Amortizable:
Indefinite-lived intangible assets, gross	434.1	351.2
Trademarks
Non-Amortizable:
Indefinite-lived intangible assets, gross	35.0	35.0
In-process research and development
Non-Amortizable:
Indefinite-lived intangible assets, gross	399.1	316.2
Completed Technology
Amortizable:
Finite-lived intangible assets, gross	10,028.8	9,896.0
Accumulated amortization	1,446.2	765.8
Licensing Agreements
Amortizable:
Finite-lived intangible assets, gross	185.1	185.1
Accumulated amortization	112.3	99.8
Customer relationships
Amortizable:
Finite-lived intangible assets, gross	28.6	28.1
Accumulated amortization	8.0	4.4
Trademarks
Amortizable:
Finite-lived intangible assets, gross	82.2	82.1
Accumulated amortization	10.0	6.2
Other
Amortizable:
Finite-lived intangible assets, gross	6.7	6.7
Accumulated amortization	$ 6.7	$ 6.7