CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
Net income including noncontrolling interest	$ 495.0	$ 334.7	$ 911.6	$ 572.8
Foreign currency translation adjustments
Foreign currency translation	(24.6)	3.0	(71.2)	14.1
Gain (loss) on net investment hedges	3.3	(23.8)	12.2	(40.5)
Total foreign currency translation adjustments	(21.3)	(20.8)	(59.0)	(26.4)
Derivatives and hedging instruments	2.2	(1.5)	7.3	(6.2)
Pension and postretirement benefits
Pension and postretirement benefits	(0.1)	(4.3)	2.2	(4.1)
Subtotal	(19.2)	(26.6)	(49.5)	(36.7)
Total comprehensive income, including noncontrolling interest	475.8	308.1	862.1	536.1
Comprehensive income attributable to noncontrolling interest	3.1	3.0	8.1	8.2
Comprehensive income attributable to Ecolab	$ 472.7	$ 305.1	$ 854.0	$ 527.9