Goodwill and Intangible Assets (Schedule Of Intangible Assets) (Details) - USD ($) $ in Millions	Jun. 29, 2018	Dec. 29, 2017
Schedule of Intangible Asset by Major Class [Line Items]
Amortizable intangible assets, gross	$ 10,390.2	$ 9,806.6
Accumulated amortization	2,507.8	2,157.7
Non-Amortizable intangible assets, gross	886.6	612.1
Trademarks
Schedule of Intangible Asset by Major Class [Line Items]
Non-Amortizable intangible assets, gross	35.0	35.0
In-process Research and Development
Schedule of Intangible Asset by Major Class [Line Items]
Non-Amortizable intangible assets, gross	851.6	577.1
Completed Technology
Schedule of Intangible Asset by Major Class [Line Items]
Amortizable intangible assets, gross	10,278.4	9,693.0
Accumulated amortization	2,473.7	2,126.1
Customer Relationships
Schedule of Intangible Asset by Major Class [Line Items]
Amortizable intangible assets, gross	28.0	29.5
Accumulated amortization	13.0	12.2
Trademarks
Schedule of Intangible Asset by Major Class [Line Items]
Amortizable intangible assets, gross	75.2	75.5
Accumulated amortization	12.5	10.8
Other
Schedule of Intangible Asset by Major Class [Line Items]
Amortizable intangible assets, gross	8.6	8.6
Accumulated amortization	$ 8.6	$ 8.6