Comprehensive Income and Shareholders' Equity (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 01, 2017	Jul. 02, 2016	Jul. 01, 2017	Jul. 02, 2016
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance			$ 21,539.3	$ 21,350.2
Other comprehensive income (loss) before reclassifications			372.3
Amounts reclassified from accumulated other comprehensive items			7.9
Total other comprehensive items	$ 217.4	$ (215.4)	380.2	(84.8)
Balance	22,391.6	21,263.9	22,391.6	21,263.9
Currency Translation Adjustment [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance			(2,343.4)
Other comprehensive income (loss) before reclassifications			379.5
Total other comprehensive items			379.5
Balance	(1,963.9)		(1,963.9)
Unrealized Gains on Available-for-Sale Investments [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance			0.9
Other comprehensive income (loss) before reclassifications			1.9
Amounts reclassified from accumulated other comprehensive items			(1.0)
Total other comprehensive items			0.9
Balance	1.8		1.8
Unrealized Losses on Hedging Instruments [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance			(57.1)
Amounts reclassified from accumulated other comprehensive items			3.7
Total other comprehensive items			3.7
Balance	(53.4)		(53.4)
Pension and Other Postretirement Benefit Liability Adjustment [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance			(236.7)
Other comprehensive income (loss) before reclassifications			(9.1)
Amounts reclassified from accumulated other comprehensive items			5.2
Total other comprehensive items			(3.9)
Balance	(240.6)		(240.6)
Accumulated Other Comprehensive Items [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance			(2,636.3)	(1,997.3)
Total other comprehensive items			380.2	(84.8)
Balance	$ (2,256.1)	$ (2,082.1)	$ (2,256.1)	$ (2,082.1)