SEGMENT INFORMATION - Schedule of Information About Reportable Segments (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Segment Reporting Information [Line Items]
Segment Net Sales	$ 1,191.7	$ 1,140.9	$ 925.0	$ 1,128.7	$ 1,174.1	$ 1,094.0	$ 1,086.9	$ 993.0	$ 4,386.3	$ 4,348.0	$ 3,722.8
Segment Operating Income									916.7	1,166.5	761.4
Operating segments
Segment Reporting Information [Line Items]
Segment Net Sales									4,362.1	4,333.5	3,676.0
Segment Operating Income									2,643.1	2,614.5	2,115.5
Operating segments | United States
Segment Reporting Information [Line Items]
Segment Net Sales									2,516.8	2,532.7	2,055.2
Segment Operating Income									1,727.3	1,742.3	1,368.1
Operating segments | Europe
Segment Reporting Information [Line Items]
Segment Net Sales									945.2	926.1	826.4
Segment Operating Income									479.3	472.0	394.8
Operating segments | Japan
Segment Reporting Information [Line Items]
Segment Net Sales									448.6	441.4	398.4
Segment Operating Income									286.4	272.3	237.0
Operating segments | Rest of World
Segment Reporting Information [Line Items]
Segment Net Sales									451.5	433.3	396.0
Segment Operating Income									$ 150.1	$ 127.9	$ 115.6