CONSOLIDATED STATEMENT OF INCOME - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Net sales	$ 3,018.6	$ 3,224.0	$ 8,724.9	$ 9,317.8
Cost of sales (including special charges of (a))	1,769.6	1,780.9	5,125.5	5,236.7
Selling, general and administrative expenses	802.6	869.2	2,499.5	2,665.3
Special (gains) and charges	35.0	24.9	120.3	88.8
Operating income	411.4	549.0	979.6	1,327.0
Other (income) expense	(15.1)	(20.8)	(45.6)	(62.9)
Interest expense, net (b)	134.8	46.1	241.8	144.6
Income before income taxes	291.7	523.7	783.4	1,245.3
Provision for income taxes	42.4	83.4	103.5	202.1
Net income from continuing operations including noncontrolling interest	249.3	440.3	679.9	1,043.2
Net income from continuing operations attributable to noncontrolling interest	3.1	4.4	12.8	12.3
Net income from continuing operations attributable to Ecolab	246.2	435.9	667.1	1,030.9
Net (loss) income from discontinued operations, net of tax (Note 4) (c)		28.3	(2,172.5)	98.4
Net (loss) income attributable to Ecolab	$ 246.2	$ 464.2	$ (1,505.4)	$ 1,129.3
Basic
Continuing operations	$ 0.86	$ 1.51	$ 2.32	$ 3.58
Discontinued operations		0.10	(7.56)	0.34
Earnings (loss) attributable to Ecolab	0.86	1.61	(5.24)	3.92
Diluted
Continuing operations	0.85	1.49	2.29	3.52
Discontinued operations		0.10	(7.47)	0.34
Earnings (loss) attributable to Ecolab	$ 0.85	$ 1.59	$ (5.18)	$ 3.86
Weighted-average common shares outstanding
Basic (in shares)	285.4	288.1	287.5	288.0
Diluted (in shares)	288.4	292.8	290.8	292.5
Product and sold equipment
Net sales	$ 2,426.4	$ 2,591.8	$ 7,017.5	$ 7,511.6
Cost of sales (including special charges of (a))	1,405.4	1,413.0	4,071.6	4,175.7
Service and lease equipment
Net sales	592.2	632.2	1,707.4	1,806.2
Cost of sales (including special charges of (a))	$ 364.2	$ 367.9	$ 1,053.9	$ 1,061.0