CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
Net income including noncontrolling interest	$ 2,131.9	$ 1,393.0	$ 1,108.9
Foreign currency translation adjustments
Foreign currency translation	(187.1)	10.0	(333.4)
Gain (loss) on net investment hedges	52.4	(73.1)	108.3
Total foreign currency translation adjustments	(134.7)	(63.1)	(225.1)
Derivatives and hedging instruments	8.7	(7.8)	(1.2)
Pension and postretirement benefits
Pension and postretirement benefits	(5.6)	(55.1)	130.3
Subtotal	(131.6)	(126.0)	(96.0)
Total comprehensive income, including noncontrolling interest	2,000.3	1,267.0	1,012.9
Comprehensive income attributable to noncontrolling interest	19.5	18.5	13.0
Comprehensive income attributable to Ecolab	$ 1,980.8	$ 1,248.5	$ 999.9