CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Net sales	$ 3,695.0	$ 3,751.9
Cost of sales (including special charges (a))	2,060.2	2,128.1
Selling, general and administrative expenses	1,050.0	1,077.7
Special (gains) and charges	29.5	28.2
Operating income	555.3	517.9
Other (income) expense (b)	(13.0)	(12.6)
Interest expense, net	58.3	71.6
Income before income taxes	510.0	458.9
Provision for income taxes	103.5	42.3
Net income including noncontrolling interest	406.5	416.6
Net income attributable to noncontrolling interest	4.0	4.5
Net income attributable to Ecolab	$ 402.5	$ 412.1
Earnings attributable to Ecolab per common share
Basic (in dollars per share)	$ 1.42	$ 1.44
Diluted (in dollars per share)	$ 1.41	$ 1.43
Weighted-average common shares outstanding
Basic (in shares)	283.4	285.7
Diluted (in shares)	285.3	287.8
Product and equipment sales
Net sales	$ 2,901.9	$ 2,986.5
Cost of sales (including special charges (a))	1,605.4	1,679.2
Service and lease sales
Net sales	793.1	765.4
Cost of sales (including special charges (a))	$ 454.8	$ 448.9