Goodwill and Intangible Assets (Schedule Of Intangible Assets) (Details) - USD ($) $ in Millions	Mar. 30, 2018	Dec. 29, 2017
Schedule of Intangible Asset by Major Class [Line Items]
Amortizable intangible assets, gross	$ 10,391.2	$ 9,806.6
Accumulated amortization	2,324.0	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	2,291.1	2,126.1
Customer Relationships
Schedule of Intangible Asset by Major Class [Line Items]
Amortizable intangible assets, gross	28.9	29.5
Accumulated amortization	12.7	12.2
Trademarks
Schedule of Intangible Asset by Major Class [Line Items]
Amortizable intangible assets, gross	75.3	75.5
Accumulated amortization	11.6	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