3.23.3 html 595 331 1 false 115 0 false 10 false false R1.htm 00090 - Document - Document and Entity Information Sheet http://www.ecolab.com/role/DocumentDocumentAndEntityInformation Document and Entity Information Cover 1 false false R2.htm 00100 - Statement - CONSOLIDATED STATEMENTS OF INCOME Sheet http://www.ecolab.com/role/StatementConsolidatedStatementsOfIncome CONSOLIDATED STATEMENTS OF INCOME Statements 2 false false R3.htm 00105 - Statement - CONSOLIDATED STATEMENTS OF INCOME (Parenthetical) Sheet http://www.ecolab.com/role/StatementConsolidatedStatementsOfIncomeParenthetical CONSOLIDATED STATEMENTS OF INCOME (Parenthetical) Statements 3 false false R4.htm 00200 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME Sheet http://www.ecolab.com/role/StatementConsolidatedStatementsOfComprehensiveIncome CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME Statements 4 false false R5.htm 00300 - Statement - CONSOLIDATED BALANCE SHEETS Sheet http://www.ecolab.com/role/StatementConsolidatedBalanceSheets CONSOLIDATED BALANCE SHEETS Statements 5 false false R6.htm 00305 - Statement - CONSOLIDATED BALANCE SHEETS (Parenthetical) Sheet http://www.ecolab.com/role/StatementConsolidatedBalanceSheetsParenthetical CONSOLIDATED BALANCE SHEETS (Parenthetical) Statements 6 false false R7.htm 00400 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS Sheet http://www.ecolab.com/role/StatementConsolidatedStatementsOfCashFlows CONSOLIDATED STATEMENTS OF CASH FLOWS Statements 7 false false R8.htm 00500 - Statement - CONSOLIDATED STATEMENTS OF EQUITY Sheet http://www.ecolab.com/role/StatementConsolidatedStatementsOfEquity CONSOLIDATED STATEMENTS OF EQUITY Statements 8 false false R9.htm 00505 - Statement - CONSOLIDATED STATEMENTS OF EQUITY (Parenthetical) Sheet http://www.ecolab.com/role/StatementConsolidatedStatementsOfEquityParenthetical CONSOLIDATED STATEMENTS OF EQUITY (Parenthetical) Statements 9 false false R10.htm 10101 - Disclosure - CONSOLIDATED FINANCIAL INFORMATION Sheet http://www.ecolab.com/role/DisclosureConsolidatedFinancialInformation CONSOLIDATED FINANCIAL INFORMATION Notes 10 false false R11.htm 10201 - Disclosure - SPECIAL (GAINS) AND CHARGES Sheet http://www.ecolab.com/role/DisclosureSpecialGainsAndCharges SPECIAL (GAINS) AND CHARGES Notes 11 false false R12.htm 10301 - Disclosure - ACQUISITIONS Sheet http://www.ecolab.com/role/DisclosureAcquisitions ACQUISITIONS Notes 12 false false R13.htm 10401 - Disclosure - BALANCE SHEETS INFORMATION Sheet http://www.ecolab.com/role/DisclosureBalanceSheetsInformation BALANCE SHEETS INFORMATION Notes 13 false false R14.htm 10501 - Disclosure - DEBT AND INTEREST Sheet http://www.ecolab.com/role/DisclosureDebtAndInterest DEBT AND INTEREST Notes 14 false false R15.htm 10601 - Disclosure - GOODWILL AND OTHER INTANGIBLE ASSETS Sheet http://www.ecolab.com/role/DisclosureGoodwillAndOtherIntangibleAssets GOODWILL AND OTHER INTANGIBLE ASSETS Notes 15 false false R16.htm 10701 - Disclosure - FAIR VALUE MEASUREMENTS Sheet http://www.ecolab.com/role/DisclosureFairValueMeasurements FAIR VALUE MEASUREMENTS Notes 16 false false R17.htm 10801 - Disclosure - DERIVATIVES AND HEDGING TRANSACTIONS Sheet http://www.ecolab.com/role/DisclosureDerivativesAndHedgingTransactions DERIVATIVES AND HEDGING TRANSACTIONS Notes 17 false false R18.htm 10901 - Disclosure - OTHER COMPREHENSIVE INCOME (LOSS) INFORMATION Sheet http://www.ecolab.com/role/DisclosureOtherComprehensiveIncomeLossInformation OTHER COMPREHENSIVE INCOME (LOSS) INFORMATION Notes 18 false false R19.htm 11001 - Disclosure - SHAREHOLDERS' EQUITY Sheet http://www.ecolab.com/role/DisclosureShareholdersEquity SHAREHOLDERS' EQUITY Notes 19 false false R20.htm 11101 - Disclosure - EARNINGS ATTRIBUTABLE TO ECOLAB PER COMMON SHARE ("EPS") Sheet http://www.ecolab.com/role/DisclosureEarningsAttributableToEcolabPerCommonShareeps EARNINGS ATTRIBUTABLE TO ECOLAB PER COMMON SHARE ("EPS") Notes 20 false false R21.htm 11201 - Disclosure - INCOME TAXES Sheet http://www.ecolab.com/role/DisclosureIncomeTaxes INCOME TAXES Notes 21 false false R22.htm 11301 - Disclosure - PENSION AND POSTRETIREMENT PLANS Sheet http://www.ecolab.com/role/DisclosurePensionAndPostretirementPlans PENSION AND POSTRETIREMENT PLANS Notes 22 false false R23.htm 11401 - Disclosure - REVENUES Sheet http://www.ecolab.com/role/DisclosureRevenues REVENUES Notes 23 false false R24.htm 11501 - Disclosure - OPERATING SEGMENTS Sheet http://www.ecolab.com/role/DisclosureOperatingSegments OPERATING SEGMENTS Notes 24 false false R25.htm 11601 - Disclosure - COMMITMENTS AND CONTINGENCIES Sheet http://www.ecolab.com/role/DisclosureCommitmentsAndContingencies COMMITMENTS AND CONTINGENCIES Notes 25 false false R26.htm 11701 - Disclosure - NEW ACCOUNTING PRONOUNCEMENTS Sheet http://www.ecolab.com/role/DisclosureNewAccountingPronouncements NEW ACCOUNTING PRONOUNCEMENTS Notes 26 false false R27.htm 30203 - Disclosure - SPECIAL (GAINS) AND CHARGES (Tables) Sheet http://www.ecolab.com/role/DisclosureSpecialGainsAndChargesTables SPECIAL (GAINS) AND CHARGES (Tables) Tables http://www.ecolab.com/role/DisclosureSpecialGainsAndCharges 27 false false R28.htm 30303 - Disclosure - ACQUISITIONS (Tables) Sheet http://www.ecolab.com/role/DisclosureAcquisitionsTables ACQUISITIONS (Tables) Tables http://www.ecolab.com/role/DisclosureAcquisitions 28 false false R29.htm 30403 - Disclosure - BALANCE SHEETS INFORMATION (Tables) Sheet http://www.ecolab.com/role/DisclosureBalanceSheetsInformationTables BALANCE SHEETS INFORMATION (Tables) Tables http://www.ecolab.com/role/DisclosureBalanceSheetsInformation 29 false false R30.htm 30503 - Disclosure - DEBT AND INTEREST (Tables) Sheet http://www.ecolab.com/role/DisclosureDebtAndInterestTables DEBT AND INTEREST (Tables) Tables http://www.ecolab.com/role/DisclosureDebtAndInterest 30 false false R31.htm 30603 - Disclosure - GOODWILL AND OTHER INTANGIBLE ASSETS (Tables) Sheet http://www.ecolab.com/role/DisclosureGoodwillAndOtherIntangibleAssetsTables GOODWILL AND OTHER INTANGIBLE ASSETS (Tables) Tables http://www.ecolab.com/role/DisclosureGoodwillAndOtherIntangibleAssets 31 false false R32.htm 30703 - Disclosure - FAIR VALUE MEASUREMENTS (Tables) Sheet http://www.ecolab.com/role/DisclosureFairValueMeasurementsTables FAIR VALUE MEASUREMENTS (Tables) Tables http://www.ecolab.com/role/DisclosureFairValueMeasurements 32 false false R33.htm 30803 - Disclosure - DERIVATIVES AND HEDGING TRANSACTIONS (Tables) Sheet http://www.ecolab.com/role/DisclosureDerivativesAndHedgingTransactionsTables DERIVATIVES AND HEDGING TRANSACTIONS (Tables) Tables http://www.ecolab.com/role/DisclosureDerivativesAndHedgingTransactions 33 false false R34.htm 30903 - Disclosure - OTHER COMPREHENSIVE INCOME (LOSS) INFORMATION (Tables) Sheet http://www.ecolab.com/role/DisclosureOtherComprehensiveIncomeLossInformationTables OTHER COMPREHENSIVE INCOME (LOSS) INFORMATION (Tables) Tables http://www.ecolab.com/role/DisclosureOtherComprehensiveIncomeLossInformation 34 false false R35.htm 31103 - Disclosure - EARNINGS ATTRIBUTABLE TO ECOLAB PER COMMON SHARE ("EPS") (Tables) Sheet http://www.ecolab.com/role/DisclosureEarningsAttributableToEcolabPerCommonShareepsTables EARNINGS ATTRIBUTABLE TO ECOLAB PER COMMON SHARE ("EPS") (Tables) Tables http://www.ecolab.com/role/DisclosureEarningsAttributableToEcolabPerCommonShareeps 35 false false R36.htm 31303 - Disclosure - PENSION AND POSTRETIREMENT PLANS (Tables) Sheet http://www.ecolab.com/role/DisclosurePensionAndPostretirementPlansTables PENSION AND POSTRETIREMENT PLANS (Tables) Tables http://www.ecolab.com/role/DisclosurePensionAndPostretirementPlans 36 false false R37.htm 31403 - Disclosure - REVENUES (Tables) Sheet http://www.ecolab.com/role/DisclosureRevenuesTables REVENUES (Tables) Tables http://www.ecolab.com/role/DisclosureRevenues 37 false false R38.htm 31503 - Disclosure - OPERATING SEGMENTS (Tables) Sheet http://www.ecolab.com/role/DisclosureOperatingSegmentsTables OPERATING SEGMENTS (Tables) Tables http://www.ecolab.com/role/DisclosureOperatingSegments 38 false false R39.htm 31703 - Disclosure - NEW ACCOUNTING PRONOUNCEMENTS (Tables) Sheet http://www.ecolab.com/role/DisclosureNewAccountingPronouncementsTables NEW ACCOUNTING PRONOUNCEMENTS (Tables) Tables http://www.ecolab.com/role/DisclosureNewAccountingPronouncements 39 false false R40.htm 40201 - Disclosure - SPECIAL (GAINS) AND CHARGES - Charges Reported on Statement of Income (Details) Sheet http://www.ecolab.com/role/DisclosureSpecialGainsAndChargesChargesReportedOnStatementOfIncomeDetails SPECIAL (GAINS) AND CHARGES - Charges Reported on Statement of Income (Details) Details http://www.ecolab.com/role/DisclosureSpecialGainsAndChargesTables 40 false false R41.htm 40202 - Disclosure - SPECIAL (GAINS) AND CHARGES - Restructuring and Non-Restructuring Activity (Details) Sheet http://www.ecolab.com/role/DisclosureSpecialGainsAndChargesRestructuringAndNonRestructuringActivityDetails SPECIAL (GAINS) AND CHARGES - Restructuring and Non-Restructuring Activity (Details) Details http://www.ecolab.com/role/DisclosureSpecialGainsAndChargesTables 41 false false R42.htm 40301 - Disclosure - ACQUISITIONS - Acquisition Summary (Details) Sheet http://www.ecolab.com/role/DisclosureAcquisitionsAcquisitionSummaryDetails ACQUISITIONS - Acquisition Summary (Details) Details 42 false false R43.htm 40401 - Disclosure - BALANCE SHEETS INFORMATION (Details) Sheet http://www.ecolab.com/role/DisclosureBalanceSheetsInformationDetails BALANCE SHEETS INFORMATION (Details) Details http://www.ecolab.com/role/DisclosureBalanceSheetsInformationTables 43 false false R44.htm 40501 - Disclosure - DEBT AND INTEREST (Details) Sheet http://www.ecolab.com/role/DisclosureDebtAndInterestDetails DEBT AND INTEREST (Details) Details http://www.ecolab.com/role/DisclosureDebtAndInterestTables 44 false false R45.htm 40502 - Disclosure - DEBT AND INTEREST - Other Debt Information (Details) Sheet http://www.ecolab.com/role/DisclosureDebtAndInterestOtherDebtInformationDetails DEBT AND INTEREST - Other Debt Information (Details) Details 45 false false R46.htm 40601 - Disclosure - GOODWILL AND OTHER INTANGIBLE ASSETS (Details) Sheet http://www.ecolab.com/role/DisclosureGoodwillAndOtherIntangibleAssetsDetails GOODWILL AND OTHER INTANGIBLE ASSETS (Details) Details http://www.ecolab.com/role/DisclosureGoodwillAndOtherIntangibleAssetsTables 46 false false R47.htm 40701 - Disclosure - FAIR VALUE MEASUREMENTS (Details) Sheet http://www.ecolab.com/role/DisclosureFairValueMeasurementsDetails FAIR VALUE MEASUREMENTS (Details) Details http://www.ecolab.com/role/DisclosureFairValueMeasurementsTables 47 false false R48.htm 40702 - Disclosure - FAIR VALUE MEASUREMENTS - Long-term Debt (Details) Sheet http://www.ecolab.com/role/DisclosureFairValueMeasurementsLongTermDebtDetails FAIR VALUE MEASUREMENTS - Long-term Debt (Details) Details 48 false false R49.htm 40801 - Disclosure - DERIVATIVES AND HEDGING TRANSACTIONS - Derivative Positions Summary (Details) Sheet http://www.ecolab.com/role/DisclosureDerivativesAndHedgingTransactionsDerivativePositionsSummaryDetails DERIVATIVES AND HEDGING TRANSACTIONS - Derivative Positions Summary (Details) Details 49 false false R50.htm 40802 - Disclosure - DERIVATIVES AND HEDGING TRANSACTIONS - Information by Type of Derivative and Hedging Activities (Details) Sheet http://www.ecolab.com/role/DisclosureDerivativesAndHedgingTransactionsInformationByTypeOfDerivativeAndHedgingActivitiesDetails DERIVATIVES AND HEDGING TRANSACTIONS - Information by Type of Derivative and Hedging Activities (Details) Details 50 false false R51.htm 40901 - Disclosure - OTHER COMPREHENSIVE INCOME (LOSS) INFORMATION (Details) Sheet http://www.ecolab.com/role/DisclosureOtherComprehensiveIncomeLossInformationDetails OTHER COMPREHENSIVE INCOME (LOSS) INFORMATION (Details) Details http://www.ecolab.com/role/DisclosureOtherComprehensiveIncomeLossInformationTables 51 false false R52.htm 41001 - Disclosure - SHAREHOLDERS' EQUITY (Details) Sheet http://www.ecolab.com/role/DisclosureShareholdersEquityDetails SHAREHOLDERS' EQUITY (Details) Details http://www.ecolab.com/role/DisclosureShareholdersEquity 52 false false R53.htm 41101 - Disclosure - EARNINGS ATTRIBUTABLE TO ECOLAB PER COMMON SHARE ("EPS") (Details) Sheet http://www.ecolab.com/role/DisclosureEarningsAttributableToEcolabPerCommonShareepsDetails EARNINGS ATTRIBUTABLE TO ECOLAB PER COMMON SHARE ("EPS") (Details) Details http://www.ecolab.com/role/DisclosureEarningsAttributableToEcolabPerCommonShareepsTables 53 false false R54.htm 41201 - Disclosure - INCOME TAXES (Details) Sheet http://www.ecolab.com/role/DisclosureIncomeTaxesDetails INCOME TAXES (Details) Details http://www.ecolab.com/role/DisclosureIncomeTaxes 54 false false R55.htm 41301 - Disclosure - PENSION AND POSTRETIREMENT PLANS (Details) Sheet http://www.ecolab.com/role/DisclosurePensionAndPostretirementPlansDetails PENSION AND POSTRETIREMENT PLANS (Details) Details http://www.ecolab.com/role/DisclosurePensionAndPostretirementPlansTables 55 false false R56.htm 41401 - Disclosure - REVENUES - Product and Sold Equipment (Details) Sheet http://www.ecolab.com/role/DisclosureRevenuesProductAndSoldEquipmentDetails REVENUES - Product and Sold Equipment (Details) Details 56 false false R57.htm 41402 - Disclosure - REVENUES - Operating Lease Revenue (Details) Sheet http://www.ecolab.com/role/DisclosureRevenuesOperatingLeaseRevenueDetails REVENUES - Operating Lease Revenue (Details) Details 57 false false R58.htm 41403 - Disclosure - REVENUES - Principal Activities (Details) Sheet http://www.ecolab.com/role/DisclosureRevenuesPrincipalActivitiesDetails REVENUES - Principal Activities (Details) Details 58 false false R59.htm 41404 - Disclosure - REVENUES - Allowance for Expected Credit Losses (Details) Sheet http://www.ecolab.com/role/DisclosureRevenuesAllowanceForExpectedCreditLossesDetails REVENUES - Allowance for Expected Credit Losses (Details) Details 59 false false R60.htm 41405 - Disclosure - REVENUES - Contract Liability (Details) Sheet http://www.ecolab.com/role/DisclosureRevenuesContractLiabilityDetails REVENUES - Contract Liability (Details) Details 60 false false R61.htm 41501 - Disclosure - OPERATING SEGMENTS (Details) Sheet http://www.ecolab.com/role/DisclosureOperatingSegmentsDetails OPERATING SEGMENTS (Details) Details http://www.ecolab.com/role/DisclosureOperatingSegmentsTables 61 false false R62.htm 41601 - Disclosure - COMMITMENTS AND CONTINGENCIES (Details) Sheet http://www.ecolab.com/role/DisclosureCommitmentsAndContingenciesDetails COMMITMENTS AND CONTINGENCIES (Details) Details http://www.ecolab.com/role/DisclosureCommitmentsAndContingencies 62 false false R63.htm 995410 - Disclosure - Pay vs Performance Disclosure Sheet http://xbrl.sec.gov/ecd/role/PvpDisclosure Pay vs Performance Disclosure Uncategorized 63 false false R64.htm 995445 - Disclosure - Insider Trading Arrangements Sheet http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements Insider Trading Arrangements Cover 64 false false All Reports Book All Reports ecl-20230930.xsd ecl-20230930_cal.xml ecl-20230930_def.xml ecl-20230930_lab.xml ecl-20230930_pre.xml ecl-20230930x10q.htm http://fasb.org/us-gaap/2023 http://xbrl.sec.gov/dei/2023 http://xbrl.sec.gov/ecd/2023 true true