Unaudited Quarterly Information (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 27, 2015	Jun. 28, 2014	Jun. 27, 2015	Jun. 28, 2014
Unaudited Quarterly Information [Abstract]
Revenues	$ 4,270.9	$ 4,321.9	$ 8,189.7	$ 8,225.4
Net income	$ 511.6	$ 278.5	$ 896.7	$ 821.6
Earnings per Share
Basic (in dollars per share)	$ 1.28	$ 0.7	$ 2.25	$ 2.07
Diluted (in dollars per share)	1.27	0.69	2.23	2.05
Cash Dividends Declared per Common Share (in dollars per share)	$ 0.15	$ 0.15	$ 0.3	$ 0.3
Total Restructuring and Other Costs (Income), Net	$ 24.7		$ 64.9