CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Net sales	$ 3,571.6	$ 3,266.7
Cost of sales (including special charges (a))	2,205.2	2,073.4
Selling, general and administrative expenses	990.3	914.7
Special (gains) and charges	24.5	24.1
Operating income	351.6	254.5
Other (income) expense	(13.1)	(18.8)
Interest expense, net	74.2	53.0
Income before income taxes	290.5	220.3
Provision for income taxes	52.4	45.6
Net income including noncontrolling interest	238.1	174.7
Net income attributable to noncontrolling interest	4.7	2.8
Net income attributable to Ecolab	$ 233.4	$ 171.9
Earnings attributable to Ecolab per common share
Basic (in dollars per share)	$ 0.82	$ 0.60
Diluted (in dollars per share)	$ 0.82	$ 0.60
Weighted-average common shares outstanding
Basic (in shares)	284.6	286.2
Diluted (in shares)	285.9	288.1
Product and equipment sales
Net sales	$ 2,876.3	$ 2,624.1
Cost of sales (including special charges (a))	1,798.3	1,695.6
Service and lease sales
Net sales	695.3	642.6
Cost of sales (including special charges (a))	$ 406.9	$ 377.8