v3.26.1
DERIVATIVES AND HEDGING TRANSACTIONS - Schedule Of Derivative Instruments Recognized In Product And Equipment (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Location, Statement of Income, Balance [Axis]: us-gaap:CostOfGoodsAndServicesSold        
Derivative [Line Items]        
Amount of gain (loss) recognized in income $ (3.3) $ 2.6 $ (4.0) $ 4.7
Location, Statement of Income, Balance [Axis]: us-gaap:InterestIncomeExpenseNonoperatingNet        
Derivative [Line Items]        
Amount of gain (loss) recognized in income     5.3 (0.9)
Location, Statement of Income, Balance [Axis]: us-gaap:SellingGeneralAndAdministrativeExpense        
Derivative [Line Items]        
Amount of gain (loss) recognized in income 1.5 (0.7) 1.5 0.0
Location, Statement of Income, Balance [Axis]: ecl:InterestExpenseNet        
Derivative [Line Items]        
Amount of gain (loss) recognized in income 5.5 (0.4)    
Foreign currency forward contracts | Derivatives not designated as hedging instruments        
Derivative [Line Items]        
Amount of gain (loss) recognized in income 2.4 (0.9) 3.4 (1.4)
Foreign currency forward contracts | Cash Flow Hedging [Member] | Derivatives designated as hedging instruments | Location, Statement of Income, Balance [Axis]: us-gaap:CostOfGoodsAndServicesSold        
Derivative [Line Items]        
Amount of gain (loss) reclassified from AOCI to income (3.3) 2.6 (4.0) 4.7
Foreign currency forward contracts | Cash Flow Hedging [Member] | Derivatives designated as hedging instruments | Location, Statement of Income, Balance [Axis]: us-gaap:SellingGeneralAndAdministrativeExpense        
Derivative [Line Items]        
Amount of gain (loss) reclassified from AOCI to income (0.9) 0.2 (1.9) 1.4
Interest rate swap agreements | Cash Flow Hedging [Member] | Derivatives designated as hedging instruments | Location, Statement of Income, Balance [Axis]: us-gaap:CostOfGoodsAndServicesSold        
Derivative [Line Items]        
Amount of (loss) gain reclassified from AOCI to income 0.0 0.0 0.0 0.0
Amount of gain (loss) recognized in income 0.0 0.0 0.0 0.0
Interest rate swap agreements | Cash Flow Hedging [Member] | Derivatives designated as hedging instruments | Location, Statement of Income, Balance [Axis]: us-gaap:InterestIncomeExpenseNonoperatingNet        
Derivative [Line Items]        
Amount of (loss) gain reclassified from AOCI to income     (0.2) (0.9)
Amount of gain (loss) recognized in income     5.5 0.0
Interest rate swap agreements | Cash Flow Hedging [Member] | Derivatives designated as hedging instruments | Location, Statement of Income, Balance [Axis]: us-gaap:SellingGeneralAndAdministrativeExpense        
Derivative [Line Items]        
Amount of (loss) gain reclassified from AOCI to income 0.0 0.0 0.0 0.0
Amount of gain (loss) recognized in income 0.0 0.0 $ 0.0 $ 0.0
Interest rate swap agreements | Cash Flow Hedging [Member] | Derivatives designated as hedging instruments | Location, Statement of Income, Balance [Axis]: ecl:InterestExpenseNet        
Derivative [Line Items]        
Amount of (loss) gain reclassified from AOCI to income 0.0 (0.4)    
Amount of gain (loss) recognized in income $ 5.5 $ 0.0