CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME
Net income including noncontrolling interest	$ 263.6	$ 308.8	$ 495.6	$ 544.2
Foreign currency translation adjustments
Foreign currency translation	77.8	(35.4)	(18.5)	(344.8)
Gain (loss) on net investment hedges	(12.9)	21.8	(27.9)	78.8
Total foreign currency translation adjustments	64.9	(13.6)	(46.4)	(266.0)
Derivatives and hedging instruments	(20.2)	(2.9)	(30.7)	4.9
Pension and postretirement benefits
Amortization of net actuarial loss and prior service cost included in net periodic pension and postretirement costs	5.5	8.1	11.1	16.1
Subtotal	50.2	(8.4)	(66.0)	(245.0)
Total comprehensive income, including noncontrolling interest	313.8	300.4	429.6	299.2
Comprehensive income (loss) attributable to noncontrolling interest	5.2	6.0	9.8	7.0
Comprehensive income (loss) attributable to Ecolab	$ 308.6	$ 294.4	$ 419.8	$ 292.2