SPECIAL (GAINS) AND CHARGES - Restructuring and Non-Restructuring Activity (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Feb. 28, 2023	Nov. 30, 2022
Other restructuring information
Special (gains) and charges	$ 29.2	$ 36.7	$ 21.0	$ 24.5	$ 95.0	$ 17.8	$ 3.6	$ 24.1	$ 111.4	$ 140.5	$ 102.6
Non-restructuring Special (Gains) and Charges
Accounts payable	1,566.3				1,728.2				1,566.3	1,728.2
Other current liabilities	1,334.9				1,285.9				1,334.9	1,285.9
Special (gains) and charges
Other restructuring information
Restructuring charges incurred, pre-tax									63.2	85.8	11.9
Business combination advisory and legal fees, pre tax									16.1	14.5	29.9
Business combination advisory and legal fees, after tax											23.5
Other special gains and charges									30.7	34.3	60.8
Special (gains) and charges									111.4	140.5	102.6
Non-restructuring Special (Gains) and Charges
Business combination and integration related costs, pre tax										14.5
Business combination and integration related costs, after tax										11.4
Cost of sales
Other restructuring information
Restructuring charges incurred, pre-tax									22.5	21.4	24.7
Business combination advisory and legal fees, pre tax									16.1	25.0	4.2
Business combination advisory and legal fees, after tax									12.0		3.3
Other special gains and charges										16.3	65.0
Special (gains) and charges									22.5	69.9	93.9
Non-restructuring Special (Gains) and Charges
Business combination and integration related costs, pre tax									25.0
Business combination and integration related costs, after tax									19.6
Other operating income (expense)										16.3	65.0
Other operating income (expense), net, after tax										12.7	49.2
Interest expense
Other restructuring information
Business combination advisory and legal fees, pre tax										0.8
Business combination advisory and legal fees, after tax										0.6
Special (gains) and charges											33.1
Non-restructuring Special (Gains) and Charges
Debt refinancing charges, pre-tax											32.3
Debt refinancing charges, net of tax											28.4
Specific legal reserve and related legal charges
Other restructuring information
Other special gains and charges									30.7	34.3	60.8
Other special gains and charges, after-tax									23.3	25.7	46.4
Other (income) expense
Other restructuring information
Special (gains) and charges					25.8	$ 24.8				50.6	37.2
Pension settlements and curtailments										50.6	37.2
Pension settlements and curtailments, after tax										38.2	28.7
Russia/Ukraine charges
Other restructuring information
Russia/Ukraine charges									1.4	13.1
Charges related to recoverability risk									1.1	12.6
Russia/Ukraine charges | Special (gains) and charges
Other restructuring information
Russia/Ukraine charges									1.4	5.9
Russia/Ukraine charges | Cost of sales
Other restructuring information
Russia/Ukraine charges										7.2
Product and equipment sales | Cost of sales
Other restructuring information
Special (gains) and charges									14.5	65.0	91.9
Institutional Advancement Program
Restructuring
Non-cash net charges									(6.8)
Other restructuring information
Restructuring liability	0.0				1.9				0.0	1.9
Restructuring charges incurred to date, pre-tax	62.1								62.1
Restructuring charges incurred to date, after-tax	47.4								47.4
Restructuring charges incurred, pre-tax									8.0	6.3	12.6
Restructuring charges incurred, after tax									6.0	4.8	10.2
Cash payments									2.6
Accelerate 2020 Restructuring Plan
Other restructuring information
Restructuring charge expected to be incurred, pre-tax					254.4					254.4
Restructuring charge expected to be incurred, after tax					198.4					198.4
Cash payments									13.2
Accelerate 2020 Restructuring Plan | Special (gains) and charges
Restructuring
Recorded expense										9.9	5.3
Other restructuring information
Restructuring charges, after tax										8.4	6.2
Restructuring liability	4.9				18.1				4.9	18.1
Other Restructuring Plan
Restructuring
Recorded expense										23.8	18.7
Restructuring reserve, period increase (decrease)				(19.3)
Other restructuring information
Restructuring charges, after tax										17.9	$ 17.0
Prior Year Plans
Other restructuring information
Restructuring liability	3.3				23.2				3.3	23.2
Cash payments									0.6
Combined Program
Restructuring
Recorded expense (income) and accrual									77.7	67.2
Net cash payments									(101.9)	(5.2)
Non-cash charges									(14.0)
Reclassification									19.3
Other restructuring information
Restructuring charge expected to be incurred, pre-tax				19.3								$ 195.0
Restructuring charge expected to be incurred, after tax				$ 14.5								$ 150.0
Restructuring liability	43.1				62.0				43.1	62.0
Restructuring charges incurred, pre-tax									164.2
Restructuring charges incurred, after tax									136.9
Combined Program | Employee termination costs
Restructuring
Recorded expense (income) and accrual									47.0	67.2
Net cash payments									(85.2)	(5.2)
Reclassification									19.3
Other restructuring information
Restructuring liability	$ 43.1				$ 62.0				43.1	62.0
Restructuring charges incurred, pre-tax									77.7	67.2
Restructuring charges incurred, after tax									66.4	$ 56.0
Combined Program | Asset disposals
Restructuring
Recorded expense (income) and accrual									14.0
Non-cash charges									(14.0)
Combined Program | Other.
Restructuring
Recorded expense (income) and accrual									16.7
Net cash payments									$ (16.7)
Europe Program
Other restructuring information
Restructuring charge expected to be incurred, pre-tax													$ 130.0
Restructuring charge expected to be incurred, after tax													$ 110.0