CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
Net income including noncontrolling interest	$ 416.6	$ 238.1
Foreign currency translation adjustments
Foreign currency translation	(46.6)	11.1
Gain (loss) on net investment hedges	8.9	(16.7)
Total foreign currency translation adjustments	(37.7)	(5.6)
Derivatives and hedging instruments	5.1	(4.7)
Pension and postretirement benefits
Pension and postretirement benefits	2.3	0.2
Subtotal	(30.3)	(10.1)
Total comprehensive income, including noncontrolling interest	386.3	228.0
Comprehensive income attributable to noncontrolling interest	5.0	5.2
Comprehensive income attributable to Ecolab	$ 381.3	$ 222.8