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Commitments and Contingencies - Environmental (Details) | 1 Months Ended | 3 Months Ended | 6 Months Ended
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Jul. 31, 2021 USD ($) | Mar. 31, 2020 USD ($) | Dec. 31, 2019 USD ($) | Apr. 30, 2019 USD ($) | Jul. 31, 2018 USD ($) | Feb. 28, 2018 USD ($) | Dec. 31, 2019 USD ($) | Mar. 31, 2019 USD ($) | Mar. 31, 2018 USD ($) | Jun. 30, 2021 USD ($) lawsuit item company subsidiary person facility individual defendant
Environmental Matters - Remediation |  |  |  |  |  |  |  |  |  |
Loss contingencies |  |  |  |  |  |  |  |  |  |
Accrued loss contingency reserve | $ |  |  |  |  |  |  |  |  |  | $ 24,000,000
Number of years remediation payments expected to be paid for applicable sites |  |  |  |  |  |  |  |  |  | 20 years
Environmental Matters - Other |  |  |  |  |  |  |  |  |  |
Loss contingencies |  |  |  |  |  |  |  |  |  |
Accrued loss contingency reserve | $ |  |  |  |  |  |  |  |  |  | $ 0
Insurance receivables | $ |  |  |  |  |  |  |  |  |  | $ 8,000,000
Environmental Matters - Regulatory Activities |  |  |  |  |  |  |  |  |  |
Loss contingencies |  |  |  |  |  |  |  |  |  |
Number of years after phase-out decision in May 2000 that the Company stopped manufacturing and using vast majority of perfluorooctanyl compounds |  |  |  |  |  |  |  |  |  | 2 years
Amount of PFOA and PFOS found in drinking water, either individually or combined, that are allowed per the EPA's announced lifetime health advisory levels in parts per trillion | item |  |  |  |  |  |  |  |  |  | 70
Amount of PFOA in drinking water allowed per provisional health advisories in parts per trillion (superseded) | item |  |  |  |  |  |  |  |  |  | 400
Amount of PFOS in drinking water allowed per provisional health advisories in parts per trillion (superseded) | item |  |  |  |  |  |  |  |  |  | 200
Number of PFAS EPA proposed in fifth version of unregulated contaminant monitoring rule | item |  |  |  |  |  |  |  |  |  | 29
Number of PFAS the EPA has required to have public water system suppliers monitor | item |  |  |  |  |  |  |  |  |  | 6
Number of public water supplies the EPA reported results | item |  |  |  |  |  |  |  |  |  | 4,920
Number of water supplies that reported above advisory level with PFOA | item |  |  |  |  |  |  |  |  |  | 13
Number of water supplies that reported above advisory level with PFOS | item |  |  |  |  |  |  |  |  |  | 46
Environmental Matters - Regulatory Activities | Minimum |  |  |  |  |  |  |  |  |  |
Loss contingencies |  |  |  |  |  |  |  |  |  |
Number of PFAS EPA has added to list of substances that must be included in TRI reports | item |  |  |  |  |  |  |  |  |  | 170
Number of water supply samples used to test for PFOA and PFOS under the EPA lifetime health advisory program | item |  |  |  |  |  |  |  |  |  | 1
Environmental Matters - Regulatory Activities | Massachusetts |  |  |  |  |  |  |  |  |  |
Loss contingencies |  |  |  |  |  |  |  |  |  |
Number of combined PFAS compounds detailed in published final regulations establishing a drinking water standard | item |  |  |  |  |  |  |  |  |  | 6
Environmental Matters - Regulatory Activities | Minnesota Department of Health |  |  |  |  |  |  |  |  |  |
Loss contingencies |  |  |  |  |  |  |  |  |  |
Amount of PFOA in drinking water allowed per Minnesota Department of Health in parts per trillion | item |  |  |  |  |  |  |  |  |  | 35
Amount of PFOS in drinking water allowed per Minnesota Department of Health in parts per trillion | item |  |  |  |  |  |  |  |  |  | 15
Amount of PFHxS in drinking water allowed per Minnesota Department of Health in parts per trillion | item |  |  |  |  |  |  |  |  |  | 47
Amount of PFBS in drinking water allowed per Minnesota Department of Health in parts per billion | item |  |  |  |  |  |  |  |  |  | 2
Environmental Matters - Regulatory Activities | Vermont |  |  |  |  |  |  |  |  |  |
Loss contingencies |  |  |  |  |  |  |  |  |  |
Number of other perfluorinated compounds in drinking water standards | item |  |  |  |  |  |  |  |  |  | 3
Environmental Matters - Litigation | U.S. District Court for the Northern District of Alabama |  |  |  |  |  |  |  |  |  |
Loss contingencies |  |  |  |  |  |  |  |  |  |
Number of plaintiffs | individual |  |  |  |  |  |  |  |  |  | 55
Number of additional plaintiffs | individual |  |  |  |  |  |  |  |  |  | 37
Number of plaintiffs dismissed | individual |  |  |  |  |  |  |  |  |  | 5
Environmental Matters - Litigation | Alabama |  |  |  |  |  |  |  |  |  |
Loss contingencies |  |  |  |  |  |  |  |  |  |
Litigation settlement awarded | $ |  |  |  | $ 35,000,000 |  |  |  |  |  |
Number of local water works for whom the water authority supplies water | item |  |  |  |  |  |  |  |  |  | 5
Environmental Matters - Litigation | Decatur, Alabama |  |  |  |  |  |  |  |  |  |
Loss contingencies |  |  |  |  |  |  |  |  |  |
Number of closed municipal landfills | item |  |  |  |  |  |  |  |  |  | 3
Number of putative class action and other lawsuits |  |  |  |  |  |  |  |  |  | 2
Environmental Matters - Litigation | Minnesota |  |  |  |  |  |  |  |  |  |
Loss contingencies |  |  |  |  |  |  |  |  |  |
Litigation settlement awarded | $ |  |  |  |  |  |  |  |  | $ 897,000,000 |
Number of recommended options for utilizing the Water Quality and Sustainability Fund seeking public comment | item |  |  |  |  |  |  |  |  |  | 3
Settlement amount paid | $ |  |  |  |  |  | $ 850,000,000 |  |  |  |
Environmental Matters - Litigation | Lake Elmo, Minnesota | Maximum |  |  |  |  |  |  |  |  |  |
Loss contingencies |  |  |  |  |  |  |  |  |  |
Settlement amount paid | $ |  |  |  | $ 5,000,000 |  |  |  |  |  |
Environmental Matters - Litigation | New Jersey |  |  |  |  |  |  |  |  |  |
Loss contingencies |  |  |  |  |  |  |  |  |  |
Number of lawsuits filed |  |  |  |  |  |  |  |  |  | 2
Number of additional new claims filed |  |  |  |  |  |  |  |  |  | 2
Number of additional defendants |  |  |  |  |  |  |  |  |  | six
Environmental Matters - Litigation | Salem County, New Jersey |  |  |  |  |  |  |  |  |  |
Loss contingencies |  |  |  |  |  |  |  |  |  |
Number of facilities related to the manufacture and disposal of PFAS | facility |  |  |  |  |  |  |  |  |  | 2
Environmental Matters - Litigation | Michigan |  |  |  |  |  |  |  |  |  |
Loss contingencies |  |  |  |  |  |  |  |  |  |
Number of lawsuits filed |  |  |  |  |  |  |  |  |  | 2
Environmental Matters - Litigation | Federal court of Michigan |  |  |  |  |  |  |  |  |  |
Loss contingencies |  |  |  |  |  |  |  |  |  |
Number of lawsuits filed |  |  |  |  |  |  |  |  |  | 1
Environmental Matters - Litigation | State court in New York |  |  |  |  |  |  |  |  |  |
Loss contingencies |  |  |  |  |  |  |  |  |  |
Number of lawsuits filed |  |  |  |  |  |  |  |  |  | 4
Environmental Matters - Litigation | State Court of Lawrence County, Alabama |  |  |  |  |  |  |  |  |  |
Loss contingencies |  |  |  |  |  |  |  |  |  |
Number of plaintiffs | individual |  |  |  |  |  |  |  |  |  | 4,000
Environmental Matters - Litigation | State Court of Lawrence County, Alabama | Minimum |  |  |  |  |  |  |  |  |  |
Loss contingencies |  |  |  |  |  |  |  |  |  |
Number of plaintiffs | individual |  |  |  |  |  |  |  |  |  | 200
Environmental Matters - Litigation | New Hampshire |  |  |  |  |  |  |  |  |  |
Loss contingencies |  |  |  |  |  |  |  |  |  |
Number of lawsuits filed |  |  |  |  |  |  |  |  |  | 2
Number of additional defendants |  |  |  |  |  |  |  |  |  | seven
Environmental Matters - Litigation | Vermont |  |  |  |  |  |  |  |  |  |
Loss contingencies |  |  |  |  |  |  |  |  |  |
Number of lawsuits filed |  |  |  |  |  |  |  |  |  | 2
Number of additional defendants |  |  |  |  |  |  |  |  |  | ten
Environmental Matters - Aqueous Film Forming Foam Litigation |  |  |  |  |  |  |  |  |  |
Loss contingencies |  |  |  |  |  |  |  |  |  |
Number of putative class action and other lawsuits | item |  |  |  |  |  |  |  |  |  | 1,274
Number of class action lawsuits |  |  |  |  |  |  |  |  |  | 26
Environmental Matters - Aqueous Film Forming Foam Litigation | U.S. Judicial Panel on Multidistrict Litigation (MDL) |  |  |  |  |  |  |  |  |  |
Loss contingencies |  |  |  |  |  |  |  |  |  |
Number of water supplier cases |  |  |  |  |  |  |  |  |  | 10
Environmental Matters - Aqueous Film Forming Foam Litigation | Various state courts |  |  |  |  |  |  |  |  |  |
Loss contingencies |  |  |  |  |  |  |  |  |  |
Number of lawsuits filed |  |  |  |  |  |  |  |  |  | 8
Number of lawsuits pending |  |  |  |  |  |  |  |  |  | 5
Number of lawsuits served |  |  |  |  |  |  |  |  |  | 8
Number of cases stayed |  |  |  |  |  |  |  |  |  | 5
Environmental Matters - Aqueous Film Forming Foam Litigation | State court in Wisconsin |  |  |  |  |  |  |  |  |  |
Loss contingencies |  |  |  |  |  |  |  |  |  |
Number of subsidiaries of plaintiff | subsidiary |  |  |  |  |  |  |  |  |  | 2
Environmental Matters - Aqueous Film Forming Foam Litigation | Federal court |  |  |  |  |  |  |  |  |  |
Loss contingencies |  |  |  |  |  |  |  |  |  |
Number of lawsuits pending |  |  |  |  |  |  |  |  |  | 2
Environmental Matters - Other PFAS-related Environmental Litigation |  |  |  |  |  |  |  |  |  |
Loss contingencies |  |  |  |  |  |  |  |  |  |
Increase (decrease) accrued loss contingency reserve | $ |  |  |  |  |  |  |  |  |  | $ 112,000,000
Litigation payments | $ |  |  |  |  |  |  |  |  |  | $ 35,000,000
Environmental Matters - Other PFAS-related Environmental Litigation | U.S. District Court of New York State |  |  |  |  |  |  |  |  |  |
Loss contingencies |  |  |  |  |  |  |  |  |  |
Number of plaintiffs | individual |  |  |  |  |  |  |  |  |  | 24
Number of additional plaintiffs | individual |  |  |  |  |  |  |  |  |  | 8
Settlement amount paid | $ | $ 65,000,000 |  |  |  |  |  |  |  |  |
Number of lawsuits filed |  |  |  |  |  |  |  |  |  | 40
Number of additional new claims filed |  |  |  |  |  |  |  |  |  | 4
Number of putative class action and other lawsuits |  |  |  |  |  |  |  |  |  | 1
Environmental Matters - Other PFAS-related Environmental Litigation | U.S. District Court of Eastern District of New York |  |  |  |  |  |  |  |  |  |
Loss contingencies |  |  |  |  |  |  |  |  |  |
Number of lawsuits pending |  |  |  |  |  |  |  |  |  | 12
Environmental Matters - Other PFAS-related Environmental Litigation | State court of California |  |  |  |  |  |  |  |  |  |
Loss contingencies |  |  |  |  |  |  |  |  |  |
Number of local water providers | facility |  |  |  |  |  |  |  |  |  | 10
Environmental Matters - Other PFAS-related Environmental Litigation | Decatur, Alabama |  |  |  |  |  |  |  |  |  |
Loss contingencies |  |  |  |  |  |  |  |  |  |
Number of perfluorinated materials (FBSA and FBSEE) the company cannot release into "the waters of the United States." | item |  |  |  |  |  |  |  |  |  | 2
Environmental Matters - Other PFAS-related Environmental Litigation | Alabama and Georgia |  |  |  |  |  |  |  |  |  |
Loss contingencies |  |  |  |  |  |  |  |  |  |
Number of putative class action and other lawsuits |  |  |  |  |  |  |  |  |  | 3
Environmental Matters - Other PFAS-related Environmental Litigation | Cities located downstream along the Coosa River |  |  |  |  |  |  |  |  |  |
Loss contingencies |  |  |  |  |  |  |  |  |  |
Number of putative class action and other lawsuits |  |  |  |  |  |  |  |  |  | 3
Environmental Matters - Other PFAS-related Environmental Litigation | New Jersey |  |  |  |  |  |  |  |  |  |
Loss contingencies |  |  |  |  |  |  |  |  |  |
Number of lawsuits filed |  |  |  |  |  |  |  |  |  | 12
Number of lawsuits seeking medical monitoring and damages |  |  |  |  |  |  |  |  |  | 2
Number of cases the Company has filed answers |  |  |  |  |  |  |  |  |  | 7
Environmental Matters - Other PFAS-related Environmental Litigation | Michigan |  |  |  |  |  |  |  |  |  |
Loss contingencies |  |  |  |  |  |  |  |  |  |
Number of plaintiffs | person |  |  |  |  |  |  |  |  |  | 1
Settlement amount paid | $ |  | $ 55,000,000 | $ 70,000,000 |  |  |  |  |  |  |
Number of claims with summary judgment |  |  |  |  |  |  |  |  |  | 1
Number of lawsuits filed |  |  |  |  |  |  |  |  |  | 280
Number of federal bellwether cases with trial-ready dates set |  |  |  |  |  |  |  |  |  | 3
Number of federal bellwether cases the court issued the first round of dispositive motion rulings |  |  |  |  |  |  |  |  |  | 2
Total number of federal bellwether cases |  |  |  |  |  |  |  |  |  | 5
Remaining number of federal bellwether cases |  |  |  |  |  |  |  |  |  | 2
Additional number of federal bellwether cases |  |  |  |  |  |  |  |  |  | 8
Number of putative class action and other lawsuits |  |  |  |  |  |  |  |  |  | 1
Number of companies involved in agreement | company |  |  |  |  |  |  |  |  |  | 2
Environmental Matters - Other PFAS-related Environmental Litigation | Federal court |  |  |  |  |  |  |  |  |  |
Loss contingencies |  |  |  |  |  |  |  |  |  |
Number of putative class action and other lawsuits |  |  |  |  |  |  |  |  |  | 2
Environmental Matters - Other PFAS-related Environmental Litigation | Delaware. |  |  |  |  |  |  |  |  |  |
Loss contingencies |  |  |  |  |  |  |  |  |  |
Number of putative class action and other lawsuits |  |  |  |  |  |  |  |  |  | 1
Environmental Matters - Other Environmental Litigation |  |  |  |  |  |  |  |  |  |
Loss contingencies |  |  |  |  |  |  |  |  |  |
Accrued loss contingency reserve | $ |  |  |  |  |  |  |  |  |  | $ 493,000,000
Charge for environmental resolutions | $ |  |  |  |  |  |  | $ 214,000,000 |  |  |
Environmental Matters - Other Environmental Litigation | Alabama |  |  |  |  |  |  |  |  |  |
Loss contingencies |  |  |  |  |  |  |  |  |  |
Increase (decrease) accrued loss contingency reserve | $ |  |  |  |  |  |  |  | $ 235,000,000 |  |
Environmental Matters - Other Environmental Litigation | New Jersey |  |  |  |  |  |  |  |  |  |
Loss contingencies |  |  |  |  |  |  |  |  |  |
Approximate number of miles of a river seeking to be cleaned | item |  |  |  |  |  |  |  |  |  | 8
The value the award the plaintiff seeks | $ |  |  |  |  | $ 165,000,000 |  |  |  |  |
Number of chemicals of concern in the sediment | item |  |  |  |  |  |  |  |  |  | 8
Number of commercial drum conditioning facilities | item |  |  |  |  |  |  |  |  |  | 2
Environmental Matters - Other Environmental Litigation | New Jersey | Minimum |  |  |  |  |  |  |  |  |  |
Loss contingencies |  |  |  |  |  |  |  |  |  |
Number of unnamed defendant | defendant |  |  |  |  |  |  |  |  |  | 120

X
- Definition The additional number of federal bellwether cases the court issued. + References No definition available. + Details
Name: | mmm_AdditionalNumberOfFederalBellwetherCases
Namespace Prefix: | mmm_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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- Definition The amount of perfluorooctanoate (PFOA) in drinking water allowed per the guidance of the provisional health advisories issued by the EPA in 2009 under the Safe Drinking Water Act (presented parts per trillion). + References No definition available. + Details
Name: | mmm_AmountOfPFOAInDrinkingWaterAllowedPerProvisionalHealthAdvisories
Namespace Prefix: | mmm_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of perfluorooctane sulfonate (PFOS) in drinking water allowed per the guidance of the provisional health advisories issued by the EPA in 2009 under the Safe Drinking Water Act (presented in parts per trillion). + References No definition available. + Details
Name: | mmm_AmountOfPFOSInDrinkingWaterAllowedPerProvisionalHealthAdvisories
Namespace Prefix: | mmm_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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- Definition This element represents the amount of PFBS chemicals allowed in drinking water (in parts per billion) per guidance from the Minnesota Department of Health. + References No definition available. + Details
Name: | mmm_AmountOfPfbsInDrinkingWaterAllowedPerMinnesotaDepartmentOfHealth
Namespace Prefix: | mmm_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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- Definition The amount of Perfluoroocotanoate (PFOA) and Perfluorooctane sulfonate (PFOS) in drinking water allowed per the EPA's announced lifetime health advisory levels (presented as parts per trillion). + References No definition available. + Details
Name: | mmm_AmountOfPfoaAndPfosInDrinkingWaterAllowedPerEpaLifetimeHealthAdvisoryLevels
Namespace Prefix: | mmm_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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- Definition This element represents the amount of PFOA chemicals allowed in drinking water (in parts per trillion) as per guidance from the Minnesota Department of Health. + References No definition available. + Details
Name: | mmm_AmountOfPfoaInDrinkingWaterAllowedPerMinnesotaDepartmentOfHealth
Namespace Prefix: | mmm_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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- Definition This element represents the amount of PFOS chemicals allowed in drinking water (in parts per trillion) per guidance from the Minnesota Department of Health. + References No definition available. + Details
Name: | mmm_AmountOfPfosInDrinkingWaterAllowedPerMinnesotaDepartmentOfHealth
Namespace Prefix: | mmm_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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- Definition This element represents the amount of PFHxS chemicals allowed in drinking water (in parts per trillion) per guidance from the Minnesota Department of Health. + References No definition available. + Details
Name: | mmm_AmountsOfPfhxsInDrinkingWaterAllowedPerMinnesotaDepartmentOfHealth
Namespace Prefix: | mmm_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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- Definition The number of years the Company expects it will pay the amounts recorded over the periods of remediation for the applicable sites. + References No definition available. + Details
Name: | mmm_LossContingencyAccrualAtCarryingValueRemediationPaymentsYears
Namespace Prefix: | mmm_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- Definition The total number of additional new claims filed pertaining to a loss contingency during the period. + References No definition available. + Details
Name: | mmm_LossContingencyAdditionalNewClaimsFiledNumber
Namespace Prefix: | mmm_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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- Definition The approximate number of miles of the river plaintiffs are seeking to be cleaned. + References No definition available. + Details
Name: | mmm_LossContingencyApproximateMilesOfRiverToBeCleanedNumber
Namespace Prefix: | mmm_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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- Definition Number of served claims pertaining to a loss contingency. + References No definition available. + Details
Name: | mmm_LossContingencyClaimsNumberServed
Namespace Prefix: | mmm_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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- Definition The number of cases in which medical monitoring and damages is sought. + References No definition available. + Details
Name: | mmm_LossContingencyMedicalMonitoringAndDamages
Namespace Prefix: | mmm_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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- Definition Number of additional plaintiffs that have filed claims pertaining to a loss contingency. + References No definition available. + Details
Name: | mmm_LossContingencyNumberOfAdditionalPlaintiffs
Namespace Prefix: | mmm_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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- Definition Number of plaintiffs that have been dismissed pertaining to a loss contingency. + References No definition available. + Details
Name: | mmm_LossContingencyNumberPlaintiffsDismissed
Namespace Prefix: | mmm_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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- Definition Represents the number of cases stayed by the courts. + References No definition available. + Details
Name: | mmm_NumberOfCasesStayed
Namespace Prefix: | mmm_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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- Definition The number of cases the Company has filed answers in which it has been served. + References No definition available. + Details
Name: | mmm_NumberOfCasesWithFiledAnswers
Namespace Prefix: | mmm_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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- Definition The number of chemicals of concern in the sediment. + References No definition available. + Details
Name: | mmm_NumberOfChemicalsOfConcern
Namespace Prefix: | mmm_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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- Definition The number of class action lawsuits involved. + References No definition available. + Details
Name: | mmm_NumberOfClassActionLawsuits
Namespace Prefix: | mmm_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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- Definition Represents the number of closed municipal landfills. + References No definition available. + Details
Name: | mmm_NumberOfClosedMunicipalLandfillsRegardingPossibleEnvironmentalAndHealthEffectsOfVariousPerfluorinatedCompounds
Namespace Prefix: | mmm_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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- Definition The number of combined PFAS compounds detailed in published final regulations establishing a drinking water standard. + References No definition available. + Details
Name: | mmm_NumberOfCombinedPerfluorinatedCompounds
Namespace Prefix: | mmm_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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- Definition The number of commercial drum conditioning facilities. + References No definition available. + Details
Name: | mmm_NumberOfCommercialDrumConditioningFacilities
Namespace Prefix: | mmm_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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- Definition The number of facilities related to the manufacture and disposal of PFAS. + References No definition available. + Details
Name: | mmm_NumberOfFacilitiesRelatedToManufactureAndDisposalOfPFS
Namespace Prefix: | mmm_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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- Definition This element represents the number of federal bellwether cases that have a scheduled trial date set. + References No definition available. + Details
Name: | mmm_NumberOfFederalBellwetherCases
Namespace Prefix: | mmm_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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- Definition The number of federal bellwether cases the court issued the first round of dispositive motion rulings. + References No definition available. + Details
Name: | mmm_NumberOfFederalBellwetherCasesCourtIssuedFirstRoundDispositiveMotionRulings
Namespace Prefix: | mmm_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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- Definition he number of local water providers. + References No definition available. + Details
Name: | mmm_NumberOfLocalWaterProviders
Namespace Prefix: | mmm_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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- Definition The number of local water works for whom the water authority supplies supply water. + References No definition available. + Details
Name: | mmm_NumberOfLocalWaterWorksWaterAuthoritySuppliesWater
Namespace Prefix: | mmm_
Data Type: | xbrli:integerItemType
Balance Type: | na
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- Definition The number of other perfluorinated compounds in drinking water standards. + References No definition available. + Details
Name: | mmm_NumberOfOtherPerfluorinatedCompoundsInDrinkingWaterStandards
Namespace Prefix: | mmm_
Data Type: | xbrli:integerItemType
Balance Type: | na
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