CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
Net income including noncontrolling interest	$ 528.5	$ 495.0	$ 935.0	$ 911.6
Foreign currency translation adjustments
Foreign currency translation	298.4	(24.6)	239.6	(71.2)
Gain (loss) on net investment hedges	(210.7)	3.3	(240.5)	12.2
Total foreign currency translation adjustments	87.7	(21.3)	(0.9)	(59.0)
Derivatives and hedging instruments	(12.9)	2.2	(9.7)	7.3
Pension and postretirement benefits
Pension and postretirement benefits	(12.1)	(0.1)	(9.1)	2.2
Subtotal	62.7	(19.2)	(19.7)	(49.5)
Total comprehensive income, including noncontrolling interest	591.2	475.8	915.3	862.1
Comprehensive income attributable to noncontrolling interest	6.1	3.1	9.9	8.1
Comprehensive income attributable to Ecolab	$ 585.1	$ 472.7	$ 905.4	$ 854.0