ACCUMULATED OTHER COMPREHENSIVE LOSS - Changes in AOCI (Details) - USD ($) $ in Millions	3 Months Ended				6 Months Ended
	Jul. 03, 2021	Apr. 03, 2021	Jun. 27, 2020	Mar. 28, 2020	Jul. 03, 2021	Jun. 27, 2020
Accumulated other comprehensive (loss):
Beginning balance	$ 11,404.8	$ 11,066.4	$ 8,959.2	$ 9,142.2	$ 11,066.4	$ 9,142.2
Other comprehensive (loss) income before reclassifications					(88.1)	(158.2)
Reclassification adjustments to earnings					14.8	2.2
Net other comprehensive (loss) income	24.4	(97.7)	102.8	(258.8)	(73.3)	(156.0)
Ending balance	11,086.0	11,404.8	9,965.6	8,959.2	11,086.0	9,965.6
Currency translation adjustment and other
Accumulated other comprehensive (loss):
Beginning balance		(1,235.3)		(1,517.2)	(1,235.3)	(1,517.2)
Other comprehensive (loss) income before reclassifications					(124.8)	(143.4)
Reclassification adjustments to earnings					0.0	0.0
Net other comprehensive (loss) income					(124.8)	(143.4)
Ending balance	(1,360.1)		(1,660.6)		(1,360.1)	(1,660.6)
Unrealized (losses) gains on cash flow hedges, net of tax
Accumulated other comprehensive (loss):
Beginning balance		(103.0)		(54.2)	(103.0)	(54.2)
Other comprehensive (loss) income before reclassifications					29.3	(58.8)
Reclassification adjustments to earnings					8.2	1.7
Net other comprehensive (loss) income					37.5	(57.1)
Ending balance	(65.5)		(111.3)		(65.5)	(111.3)
Unrealized gains (losses) on net investment hedges, net of tax
Accumulated other comprehensive (loss):
Beginning balance		72.8		97.3	72.8	97.3
Other comprehensive (loss) income before reclassifications					6.3	34.3
Reclassification adjustments to earnings					(2.1)	(7.3)
Net other comprehensive (loss) income					4.2	27.0
Ending balance	77.0		124.3		77.0	124.3
Pension (losses) gains, net of tax
Accumulated other comprehensive (loss):
Beginning balance		(448.2)		(410.5)	(448.2)	(410.5)
Other comprehensive (loss) income before reclassifications					1.1	9.7
Reclassification adjustments to earnings					8.7	7.8
Net other comprehensive (loss) income					9.8	17.5
Ending balance	(438.4)		(393.0)		(438.4)	(393.0)
Accumulated Other Comprehensive Loss
Accumulated other comprehensive (loss):
Beginning balance	(1,811.4)	(1,713.7)	(2,143.4)	(1,884.6)	(1,713.7)	(1,884.6)
Net other comprehensive (loss) income	24.4	(97.7)	102.8	(258.8)
Ending balance	$ (1,787.0)	$ (1,811.4)	$ (2,040.6)	$ (2,143.4)	$ (1,787.0)	$ (2,040.6)