0000001 - Document - Cover link:presentationLink link:calculationLink link:definitionLink 9952151 - Statement - CONSOLIDATED STATEMENTS OF INCOME link:presentationLink link:calculationLink link:definitionLink 9952152 - Statement - CONSOLIDATED STATEMENTS OF INCOME (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 9952152 - Statement - CONSOLIDATED STATEMENTS OF INCOME (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 9952153 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME link:presentationLink link:calculationLink link:definitionLink 9952154 - Statement - CONSOLIDATED BALANCE SHEETS link:presentationLink link:calculationLink link:definitionLink 9952155 - Statement - CONSOLIDATED BALANCE SHEETS (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 9952156 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS link:presentationLink link:calculationLink link:definitionLink 9952157 - Statement - CONSOLIDATED STATEMENTS OF EQUITY link:presentationLink link:calculationLink link:definitionLink 9952158 - Statement - CONSOLIDATED STATEMENTS OF EQUITY (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 9952159 - Disclosure - CONSOLIDATED FINANCIAL INFORMATION link:presentationLink link:calculationLink link:definitionLink 9952160 - Disclosure - SPECIAL (GAINS) AND CHARGES link:presentationLink link:calculationLink link:definitionLink 9952161 - Disclosure - ACQUISITIONS link:presentationLink link:calculationLink link:definitionLink 9952162 - Disclosure - BALANCE SHEETS INFORMATION link:presentationLink link:calculationLink link:definitionLink 9952163 - Disclosure - DEBT AND INTEREST link:presentationLink link:calculationLink link:definitionLink 9952164 - Disclosure - GOODWILL AND OTHER INTANGIBLE ASSETS link:presentationLink link:calculationLink link:definitionLink 9952165 - Disclosure - FAIR VALUE MEASUREMENTS link:presentationLink link:calculationLink link:definitionLink 9952166 - Disclosure - DERIVATIVES AND HEDGING TRANSACTIONS link:presentationLink link:calculationLink link:definitionLink 9952167 - Disclosure - OTHER COMPREHENSIVE INCOME (LOSS) INFORMATION link:presentationLink link:calculationLink link:definitionLink 9952168 - Disclosure - SHAREHOLDERS' EQUITY link:presentationLink link:calculationLink link:definitionLink 9952169 - Disclosure - EARNINGS ATTRIBUTABLE TO ECOLAB PER COMMON SHARE ("EPS") link:presentationLink link:calculationLink link:definitionLink 9952170 - Disclosure - INCOME TAXES link:presentationLink link:calculationLink link:definitionLink 9952171 - Disclosure - PENSION AND POSTRETIREMENT PLANS link:presentationLink link:calculationLink link:definitionLink 9952172 - Disclosure - REVENUES link:presentationLink link:calculationLink link:definitionLink 9952173 - Disclosure - OPERATING SEGMENTS link:presentationLink link:calculationLink link:definitionLink 9952174 - Disclosure - COMMITMENTS AND CONTINGENCIES link:presentationLink link:calculationLink link:definitionLink 9952175 - Disclosure - NEW ACCOUNTING PRONOUNCEMENTS link:presentationLink link:calculationLink link:definitionLink 9955511 - Disclosure - SPECIAL (GAINS) AND CHARGES (Tables) link:presentationLink link:calculationLink link:definitionLink 9955512 - Disclosure - ACQUISITIONS (Tables) link:presentationLink link:calculationLink link:definitionLink 9955513 - Disclosure - BALANCE SHEETS INFORMATION (Tables) link:presentationLink link:calculationLink link:definitionLink 9955514 - Disclosure - DEBT AND INTEREST (Tables) link:presentationLink link:calculationLink link:definitionLink 9955515 - Disclosure - GOODWILL AND OTHER INTANGIBLE ASSETS (Tables) link:presentationLink link:calculationLink link:definitionLink 9955516 - Disclosure - FAIR VALUE MEASUREMENTS (Tables) link:presentationLink link:calculationLink link:definitionLink 9955517 - Disclosure - DERIVATIVES AND HEDGING TRANSACTIONS (Tables) link:presentationLink link:calculationLink link:definitionLink 9955518 - Disclosure - OTHER COMPREHENSIVE INCOME (LOSS) INFORMATION (Tables) link:presentationLink link:calculationLink link:definitionLink 9955519 - Disclosure - EARNINGS ATTRIBUTABLE TO ECOLAB PER COMMON SHARE ("EPS") (Tables) link:presentationLink link:calculationLink link:definitionLink 9955520 - Disclosure - PENSION AND POSTRETIREMENT PLANS (Tables) link:presentationLink link:calculationLink link:definitionLink 9955521 - Disclosure - REVENUES (Tables) link:presentationLink link:calculationLink link:definitionLink 9955522 - Disclosure - OPERATING SEGMENTS (Tables) link:presentationLink link:calculationLink link:definitionLink 9955523 - Disclosure - NEW ACCOUNTING PRONOUNCEMENTS (Tables) link:presentationLink link:calculationLink link:definitionLink 9955524 - Disclosure - SPECIAL (GAINS) AND CHARGES - Reported on Statement of Income (Details) link:presentationLink link:calculationLink link:definitionLink 9955524 - Disclosure - SPECIAL (GAINS) AND CHARGES - Reported on Statement of Income (Details) link:presentationLink link:calculationLink link:definitionLink 9955525 - Disclosure - SPECIAL (GAINS) AND CHARGES - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955525 - Disclosure - SPECIAL (GAINS) AND CHARGES - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955526 - Disclosure - SPECIAL (GAINS) AND CHARGES - Restructuring Activity Related to the One Ecolab Initiative (Details) link:presentationLink link:calculationLink link:definitionLink 9955527 - Disclosure - ACQUISITIONS - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955528 - Disclosure - ACQUISITIONS - Schedule of Acquisition Date Fair Value Of Net Assets (Details) link:presentationLink link:calculationLink link:definitionLink 9955529 - Disclosure - ACQUISITIONS - Schedule of Ovivo Electronics Acquisition (Details) link:presentationLink link:calculationLink link:definitionLink 9955530 - Disclosure - BALANCE SHEETS INFORMATION (Details) link:presentationLink link:calculationLink link:definitionLink 9955531 - Disclosure - DEBT AND INTEREST - Short-term Debt (Details) link:presentationLink link:calculationLink link:definitionLink 9955532 - Disclosure - DEBT AND INTEREST - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955533 - Disclosure - DEBT AND INTEREST - Long-Term Debt (Details) link:presentationLink link:calculationLink link:definitionLink 9955533 - Disclosure - DEBT AND INTEREST - Long-Term Debt (Details) link:presentationLink link:calculationLink link:definitionLink 9955534 - Disclosure - DEBT AND INTEREST - Net Interest Expense (Details) link:presentationLink link:calculationLink link:definitionLink 9955535 - Disclosure - GOODWILL AND OTHER INTANGIBLE ASSETS - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955536 - Disclosure - GOODWILL AND OTHER INTANGIBLE ASSETS - Carrying Amount of Goodwill (Details) link:presentationLink link:calculationLink link:definitionLink 9955537 - Disclosure - FAIR VALUE MEASUREMENTS - Schedule of Carrying Amount and the Estimated Fair Value for Assets and Liabilities Measured on a Recurring Basis (Details) link:presentationLink link:calculationLink link:definitionLink 9955538 - Disclosure - FAIR VALUE MEASUREMENTS - Schedule of Long-term Debt (Details) link:presentationLink link:calculationLink link:definitionLink 9955539 - Disclosure - DERIVATIVES AND HEDGING TRANSACTIONS - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955540 - Disclosure - DERIVATIVES AND HEDGING TRANSACTIONS - Schedule of Gross Fair Value and Net Value of the Company's Outstanding Derivative Assets and Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955541 - Disclosure - DERIVATIVES AND HEDGING TRANSACTIONS - Schedule of Notional Values of Outstanding Derivatives (Details) link:presentationLink link:calculationLink link:definitionLink 9955542 - Disclosure - DERIVATIVES AND HEDGING TRANSACTIONS - Schedule of Amounts on the Consolidated Balance Sheet Related to Cumulative Basis Adjustments for Fair Value Hedges (Details) link:presentationLink link:calculationLink link:definitionLink 9955542 - Disclosure - DERIVATIVES AND HEDGING TRANSACTIONS - Schedule of Amounts on the Consolidated Balance Sheet Related to Cumulative Basis Adjustments for Fair Value Hedges (Details) link:presentationLink link:calculationLink link:definitionLink 9955543 - Disclosure - DERIVATIVES AND HEDGING TRANSACTIONS - Schedule of Revaluation Gains and Losses on Euro Notes and Cross-currency Swap Derivative (Details) link:presentationLink link:calculationLink link:definitionLink 9955544 - Disclosure - DERIVATIVES AND HEDGING TRANSACTIONS - Schedule Of Derivative Instruments Recognized In Product And Equipment (Details) link:presentationLink link:calculationLink link:definitionLink 9955544 - Disclosure - DERIVATIVES AND HEDGING TRANSACTIONS - Schedule Of Derivative Instruments Recognized In Product And Equipment (Details) link:presentationLink link:calculationLink link:definitionLink 9955545 - Disclosure - OTHER COMPREHENSIVE INCOME (LOSS) INFORMATION - Schedule of other comprehensive income information related to the Company’s derivatives and hedging instruments and pension and postretirement benefits (Details) link:presentationLink link:calculationLink link:definitionLink 9955546 - Disclosure - OTHER COMPREHENSIVE INCOME (LOSS) INFORMATION - Schedule of derivative and pension and postretirement benefit amounts reclassified from AOCI into income (Details) link:presentationLink link:calculationLink link:definitionLink 9955547 - Disclosure - SHAREHOLDERS' EQUITY (Details) link:presentationLink link:calculationLink link:definitionLink 9955548 - Disclosure - EARNINGS ATTRIBUTABLE TO ECOLAB PER COMMON SHARE ("EPS") (Details) link:presentationLink link:calculationLink link:definitionLink 9955549 - Disclosure - INCOME TAXES (Details) link:presentationLink link:calculationLink link:definitionLink 9955550 - Disclosure - PENSION AND POSTRETIREMENT PLANS (Details) link:presentationLink link:calculationLink link:definitionLink 9955551 - Disclosure - PENSION AND POSTRETIREMENT PLANS - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955552 - Disclosure - REVENUES - Operating Lease Revenue (Details) link:presentationLink link:calculationLink link:definitionLink 9955553 - Disclosure - REVENUES - Principal Activities (Details) link:presentationLink link:calculationLink link:definitionLink 9955554 - Disclosure - REVENUES - Allowance for Expected Credit Losses (Details) link:presentationLink link:calculationLink link:definitionLink 9955555 - Disclosure - REVENUES - Contract Asset and Liability (Details) link:presentationLink link:calculationLink link:definitionLink 9955556 - Disclosure - OPERATING SEGMENTS (Details) link:presentationLink link:calculationLink link:definitionLink 9955557 - Disclosure - OPERATING SEGMENTS - Reportable segment information (Details) link:presentationLink link:calculationLink link:definitionLink 9955558 - Disclosure - COMMITMENTS AND CONTINGENCIES (Details) link:presentationLink link:calculationLink link:definitionLink