Discontinued Operations (Components Of Income Related To Discontinued Operations) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Oct. 02, 2015	Sep. 30, 2016	Oct. 02, 2015
Discontinued Operations and Disposal Groups [Abstract]
Sales	$ 0.0	$ 1,524.6	$ 3,029.8	$ 4,948.5
Cost of sales	0.0	(781.0)	(1,566.4)	(2,465.2)
Selling, general, and administrative expenses	(16.4)	(327.0)	(696.0)	(1,121.1)
Research and development expenses	0.0	(95.8)	(190.4)	(366.7)
Interest expense	0.0	(6.3)	(19.7)	(16.2)
Interest income	0.0	0.1	0.0	0.7
Gain on disposition of discontinued operations before income taxes	0.0	813.3	0.0	813.3
Earnings (loss) from discontinued operations before income taxes	(16.4)	1,127.9	557.3	1,793.3
Income taxes	5.4	(104.5)	(157.0)	(350.2)
Earnings (loss) from discontinued operations, net of income taxes	$ (11.0)	$ 1,023.4	$ 400.3	$ 1,443.1