CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
Net income including noncontrolling interest	$ 409.4	$ 352.0	$ 982.2	$ 839.4
Foreign currency translation adjustments
Foreign currency translation	(27.7)	(246.7)	(13.6)	(367.2)
(Loss) gain on net investment hedges	(8.2)	82.7	(48.7)	173.0
Total foreign currency translation adjustments	(35.9)	(164.0)	(62.3)	(194.2)
Derivatives and hedging instruments	0.1	11.6	(6.1)	13.1
Pension and postretirement benefits
Pension and postretirement benefits	(3.2)	(62.3)	(7.3)	(20.6)
Subtotal	(39.0)	(214.7)	(75.7)	(201.7)
Total comprehensive income, including noncontrolling interest	370.4	137.3	906.5	637.7
Comprehensive income attributable to noncontrolling interest	6.0	2.8	14.2	6.1
Comprehensive income attributable to Ecolab	$ 364.4	$ 134.5	$ 892.3	$ 631.6