SCHEDULE H, LINE 4i - SCHEDULE OF ASSETS (HELD AT END OF YEAR) (Details) - ECOLAB PUERTO RICO SAVINGS PLAN - USD ($)
$ in Thousands |
12 Months Ended |
|
Dec. 31, 2025 |
Dec. 31, 2024 |
| SCHEDULE H, LINE 4i - SCHEDULE OF ASSETS (HELD AT END OF YEAR) |
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| Entity tax identification number |
41-0231510
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| Plan number |
005
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| Notes receivable from participants |
$ 392
|
$ 437
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| Total assets |
$ 14,861
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| Minimum |
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| SCHEDULE H, LINE 4i - SCHEDULE OF ASSETS (HELD AT END OF YEAR) |
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| Interest rates of notes receivable from participants (in%) |
4.25%
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| Maximum |
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| SCHEDULE H, LINE 4i - SCHEDULE OF ASSETS (HELD AT END OF YEAR) |
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| Interest rates of notes receivable from participants (in%) |
9.50%
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| Investment, Identifier [Axis]: Harbor Capital Appreciate CIT Common/collective trusts |
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| SCHEDULE H, LINE 4i - SCHEDULE OF ASSETS (HELD AT END OF YEAR) |
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| Investment issuer name |
ecl:HarborCapitalAppreciateCitMember
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| Investment current value type |
Common/collective trusts
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| Current Value |
$ 77
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| Participation status |
us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
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| Investment, Identifier [Axis]: Money Market Dodge amp; Cox Stock Fund Registered investment companies |
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| SCHEDULE H, LINE 4i - SCHEDULE OF ASSETS (HELD AT END OF YEAR) |
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| Investment issuer name |
ecl:DodgeCoxStockFundMember
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| Investment current value type |
Registered investment companies
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| Current Value |
$ 321
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| Participation status |
us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
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| Investment, Identifier [Axis]: Money Market Fidelity Global ex US Index Fund Registered investment companies |
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| SCHEDULE H, LINE 4i - SCHEDULE OF ASSETS (HELD AT END OF YEAR) |
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| Investment issuer name |
ecl:FidelityGlobalExUsIndexFundMember
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| Investment current value type |
Registered investment companies
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| Current Value |
$ 5
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| Participation status |
us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
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| Investment, Identifier [Axis]: Mutual Fund American Europacific Growth R6 Registered investment companies |
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| SCHEDULE H, LINE 4i - SCHEDULE OF ASSETS (HELD AT END OF YEAR) |
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| Investment issuer name |
ecl:AmericanEuropacificGrowthR6Member
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| Investment current value type |
Registered investment companies
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| Current Value |
$ 180
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| Participation status |
us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
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| Investment, Identifier [Axis]: Mutual Fund Banco Popular Time Deposit Open Account Registered investment companies |
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| SCHEDULE H, LINE 4i - SCHEDULE OF ASSETS (HELD AT END OF YEAR) |
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| Investment issuer name |
ecl:BancoPopularTimeDepositOpenAccountMember
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| Investment current value type |
Registered investment companies
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| Current Value |
$ 2
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| Asset held for investment, party-in-interest |
true
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| Participation status |
us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
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| Investment, Identifier [Axis]: Mutual Fund Fidelity Extended Market Index Fund Registered investment companies |
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| SCHEDULE H, LINE 4i - SCHEDULE OF ASSETS (HELD AT END OF YEAR) |
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| Investment issuer name |
ecl:FidelityExtendedMarketIndexFundMember
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| Investment current value type |
Registered investment companies
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| Current Value |
$ 283
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| Participation status |
us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
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| Investment, Identifier [Axis]: Mutual Fund Fidelity Government Money Market Fund Registered investment companies |
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| SCHEDULE H, LINE 4i - SCHEDULE OF ASSETS (HELD AT END OF YEAR) |
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| Investment issuer name |
ecl:FidelityGovernmentMoneyMarketFundMember
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| Investment current value type |
Registered investment companies
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| Current Value |
$ 175
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| Participation status |
us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
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| Investment, Identifier [Axis]: Mutual Fund Spartan 500 Index Fund Investor Class Registered investment companies |
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| SCHEDULE H, LINE 4i - SCHEDULE OF ASSETS (HELD AT END OF YEAR) |
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| Investment issuer name |
ecl:Spartan500IndexFundInvestorClassMember
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| Investment current value type |
Registered investment companies
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| Current Value |
$ 3,129
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| Participation status |
us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
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| Investment, Identifier [Axis]: Mutual Fund Spartan US Bond Index Fund Registered investment companies |
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| SCHEDULE H, LINE 4i - SCHEDULE OF ASSETS (HELD AT END OF YEAR) |
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| Investment issuer name |
ecl:SpartanUsBondIndexFundMember
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| Investment current value type |
Registered investment companies
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| Current Value |
$ 278
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| Participation status |
us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
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| Investment, Identifier [Axis]: Mutual Fund Western Asset Core Plus Bond Fund Registered investment companies |
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| SCHEDULE H, LINE 4i - SCHEDULE OF ASSETS (HELD AT END OF YEAR) |
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| Investment issuer name |
ecl:WesternAssetCorePlusBondFundMember
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| Investment current value type |
Registered investment companies
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| Current Value |
$ 6
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| Participation status |
us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
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| Investment, Identifier [Axis]: State Street Target Retirement 2025 Fund M Common/collective trusts |
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| SCHEDULE H, LINE 4i - SCHEDULE OF ASSETS (HELD AT END OF YEAR) |
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| Investment issuer name |
ecl:StateStreetTargetRetirement2025FundMMember
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| Investment current value type |
Common/collective trusts
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| Current Value |
$ 427
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| Participation status |
us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
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| Investment, Identifier [Axis]: State Street Target Retirement 2030 Fund M Common/collective trusts |
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| SCHEDULE H, LINE 4i - SCHEDULE OF ASSETS (HELD AT END OF YEAR) |
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| Investment issuer name |
ecl:StateStreetTargetRetirement2030FundMMember
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| Investment current value type |
Common/collective trusts
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| Current Value |
$ 919
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| Participation status |
us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
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| Investment, Identifier [Axis]: State Street Target Retirement 2035 Fund M Common/collective trusts |
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| SCHEDULE H, LINE 4i - SCHEDULE OF ASSETS (HELD AT END OF YEAR) |
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| Investment issuer name |
ecl:StateStreetTargetRetirement2035FundMMember
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| Investment current value type |
Common/collective trusts
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| Current Value |
$ 1,146
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| Participation status |
us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
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| Investment, Identifier [Axis]: State Street Target Retirement 2040 Fund M Common/collective trusts |
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| SCHEDULE H, LINE 4i - SCHEDULE OF ASSETS (HELD AT END OF YEAR) |
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| Investment issuer name |
ecl:StateStreetTargetRetirement2040FundMMember
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| Investment current value type |
Common/collective trusts
|
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| Current Value |
$ 1,096
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| Participation status |
us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
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| Investment, Identifier [Axis]: State Street Target Retirement 2045 Fund M Common/collective trusts |
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| SCHEDULE H, LINE 4i - SCHEDULE OF ASSETS (HELD AT END OF YEAR) |
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| Investment issuer name |
ecl:StateStreetTargetRetirement2045FundMMember
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| Investment current value type |
Common/collective trusts
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| Current Value |
$ 908
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| Participation status |
us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
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| Investment, Identifier [Axis]: State Street Target Retirement 2050 Fund M Common/collective trusts |
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| SCHEDULE H, LINE 4i - SCHEDULE OF ASSETS (HELD AT END OF YEAR) |
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| Investment issuer name |
ecl:StateStreetTargetRetirement2050FundMMember
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| Investment current value type |
Common/collective trusts
|
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| Current Value |
$ 476
|
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| Participation status |
us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
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| Investment, Identifier [Axis]: State Street Target Retirement 2055 Fund M Common/collective trusts |
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| SCHEDULE H, LINE 4i - SCHEDULE OF ASSETS (HELD AT END OF YEAR) |
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| Investment issuer name |
ecl:StateStreetTargetRetirement2055FundMMember
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| Investment current value type |
Common/collective trusts
|
|
| Current Value |
$ 251
|
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| Participation status |
us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
|
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| Investment, Identifier [Axis]: State Street Target Retirement 2060 Fund M Common/collective trusts |
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| SCHEDULE H, LINE 4i - SCHEDULE OF ASSETS (HELD AT END OF YEAR) |
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| Investment issuer name |
ecl:StateStreetTargetRetirement2060FundMMember
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| Investment current value type |
Common/collective trusts
|
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| Current Value |
$ 70
|
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| Participation status |
us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
|
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| Investment, Identifier [Axis]: State Street Target Retirement 2065 Fund M Common/collective trusts |
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| SCHEDULE H, LINE 4i - SCHEDULE OF ASSETS (HELD AT END OF YEAR) |
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| Investment issuer name |
ecl:StateStreetTargetRetirement2065FundMMember
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| Investment current value type |
Common/collective trusts
|
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| Current Value |
$ 54
|
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| Participation status |
us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
|
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| Investment, Identifier [Axis]: State Street Target Retirement Income Fund M Common/collective trusts |
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| SCHEDULE H, LINE 4i - SCHEDULE OF ASSETS (HELD AT END OF YEAR) |
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| Investment issuer name |
ecl:StateStreetTargetRetirementIncomeFundMMember
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| Investment current value type |
Common/collective trusts
|
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| Current Value |
$ 25
|
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| Participation status |
us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
|
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| Investment, Identifier [Axis]: Wellington Trust Investment Fund Common/collective trusts |
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| SCHEDULE H, LINE 4i - SCHEDULE OF ASSETS (HELD AT END OF YEAR) |
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| Investment issuer name |
ecl:WellingtonTrustInvestmentFundMember
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| Investment current value type |
Common/collective trusts
|
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| Current Value |
$ 61
|
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| Participation status |
us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
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| Registered investment companies |
|
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| SCHEDULE H, LINE 4i - SCHEDULE OF ASSETS (HELD AT END OF YEAR) |
|
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| Current Value |
$ 4,379
|
|
| Common/collective trusts |
|
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| SCHEDULE H, LINE 4i - SCHEDULE OF ASSETS (HELD AT END OF YEAR) |
|
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| Current Value |
5,510
|
|
| Ecolab Inc. common stock |
|
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| SCHEDULE H, LINE 4i - SCHEDULE OF ASSETS (HELD AT END OF YEAR) |
|
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| Current Value |
$ 4,580
|
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| Asset held for investment, party-in-interest |
true
|
|