INCOME TAXES (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
Income before income taxes
United States									$ 100.5	$ 787.1	$ 690.1
International									1,060.9	944.4	897.0
Income before income taxes	$ 378.0	$ 291.7	$ 148.4	$ 343.3	$ 486.2	$ 523.7	$ 436.1	$ 285.5	1,161.4	1,731.5	1,587.1
Current income tax expense (benefit)
Federal and state									(43.9)	134.4	105.1
International									259.8	176.3	93.5
Total current									215.9	310.7	198.6
Deferred income tax expense (benefit)
Federal and state									12.0	37.9	52.7
International									(51.3)	(60.0)	69.9
Total deferred									(39.3)	(22.1)	122.6
Provision for income taxes	$ 73.1	$ 42.4	$ 14.1	$ 47.0	$ 86.5	$ 83.4	$ 88.8	$ 29.9	$ 176.6	$ 288.6	$ 321.2