Comprehensive Income and Shareholders' Equity (Details) - USD ($) $ in Millions	3 Months Ended
	Apr. 02, 2016	Mar. 28, 2015
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance	$ 21,350.2	$ 20,548.1
Other comprehensive income (loss) before reclassifications	128.4
Amounts reclassified from accumulated other comprehensive items	2.2
Total other comprehensive items	130.6	(561.6)
Balance	20,924.4	19,914.8
Currency Translation Adjustment [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance	(1,776.7)
Other comprehensive income (loss) before reclassifications	169.9
Total other comprehensive items	169.9
Balance	(1,606.8)
Unrealized Gains on Available-for-Sale Investments [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance	1.8
Other comprehensive income (loss) before reclassifications	(1.5)
Total other comprehensive items	(1.5)
Balance	0.3
Unrealized Losses on Hedging Instruments [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance	(26.6)
Other comprehensive income (loss) before reclassifications	(36.6)
Amounts reclassified from accumulated other comprehensive items	0.8
Total other comprehensive items	(35.8)
Balance	(62.4)
Pension and Other Postretirement Benefit Liability Adjustment [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance	(195.8)
Other comprehensive income (loss) before reclassifications	(3.4)
Amounts reclassified from accumulated other comprehensive items	1.4
Total other comprehensive items	(2.0)
Balance	(197.8)
Accumulated Other Comprehensive Items [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance	(1,997.3)	(1,285.0)
Total other comprehensive items	130.6	(561.6)
Balance	$ (1,866.7)	$ (1,846.6)