CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME
Net income including noncontrolling interest	$ 372.2	$ 353.6	$ 672.6	$ 601.8
Foreign currency translation adjustments
Foreign currency translation	(134.3)	(132.7)	(29.2)	(17.1)
Gain (loss) on net investment hedges	22.7	49.0	16.1	22.8
Total foreign currency translation adjustments	(111.6)	(83.7)	(13.1)	5.7
Derivatives and hedging instruments	3.6	17.4	(2.0)	15.3
Pension and postretirement benefits
Amortization of net actuarial loss and prior service cost included in net periodic pension and postretirement costs	7.4	16.0	3.4	16.3
Postretirement benefits changes		14.4		14.4
Total pension and postretirement benefits	7.4	30.4	3.4	30.7
Subtotal	(100.6)	(35.9)	(11.7)	51.7
Total comprehensive income, including noncontrolling interest	271.6	317.7	660.9	653.5
Comprehensive income attributable to noncontrolling interest	4.5	0.8	9.3	4.2
Comprehensive income attributable to Ecolab	$ 267.1	$ 316.9	$ 651.6	$ 649.3