Goodwill and Intangible Assets (Schedule Of Intangible Assets) (Details) - USD ($) $ in Millions	Sep. 25, 2015	Sep. 26, 2014
Amortizable:
Finite-lived intangible assets, gross	$ 10,198.0	$ 7,144.6
Accumulated amortization	882.9	332.6
Non-Amortizable:
Indefinite-lived intangible assets, gross	351.2	270.2
Trademarks
Non-Amortizable:
Indefinite-lived intangible assets, gross	35.0	35.0
In-process research and development
Non-Amortizable:
Indefinite-lived intangible assets, gross	316.2	235.2
Completed Technology
Amortizable:
Finite-lived intangible assets, gross	9,896.0	6,906.0
Accumulated amortization	765.8	235.6
Licensing Agreements
Amortizable:
Finite-lived intangible assets, gross	185.1	185.1
Accumulated amortization	99.8	87.3
Customer relationships
Amortizable:
Finite-lived intangible assets, gross	28.1	33.8
Accumulated amortization	4.4	0.6
Trademarks
Amortizable:
Finite-lived intangible assets, gross	82.1	13.0
Accumulated amortization	6.2	4.1
Other
Amortizable:
Finite-lived intangible assets, gross	6.7	6.7
Accumulated amortization	$ 6.7	$ 5.0