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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).

No definition available.

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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).

No definition available.

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This element represents the amount of PFBS chemicals allowed in drinking water (in parts per billion) per guidance from the Minnesota Department of Health.

No definition available.

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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).

No definition available.

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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.

No definition available.

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This element represents the amount of PFOS chemicals allowed in drinking water (in parts per trillion) per guidance from the Minnesota Department of Health.

No definition available.

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This element represents the amount of PFHxS chemicals allowed in drinking water (in parts per trillion) per guidance from the Minnesota Department of Health.

No definition available.

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The number of landfills tested by the entity for environmental matters and litigation related to historical PFAS manufacturing operations.

No definition available.

Name:	mmm_EnvironmentalMattersAndLitigationRelatedToHistoricalPFSManufacturingOperationsNumberOfLandfillsTested
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The net increase (decrease) during the reporting period in asbestos and environmental claims reserve.

No definition available.

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The amount of punitive damages awarded.

No definition available.

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The number of years the Company expects it will pay the amounts recorded over the periods of remediation for the applicable sites.

No definition available.

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The amount of damages the State incurred as detailed in the State’s damages expert submitted report.

No definition available.

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The approximate number of miles of the river plaintiffs are seeking to be cleaned.

No definition available.

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The number of claims that the Company prevailed after being taken to trial.

No definition available.

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The number of claims settled and taken to trial.

No definition available.

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The number of years the company has been the defendant in Respirator Mask/Asbestos Litigation.

No definition available.

Name:	mmm_LossContingencyClaimsYearsInLitigationNumber
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The number of former disposal sites with a presence of PFCs in the soil and groundwater.

No definition available.

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The number of years the entity incorporated wastewater treatment plant sludge containing PFAS pursuant to a permit issued by ADEM.

No definition available.

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The number of chemicals of concern in the sediment.

No definition available.

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The number of commercial drum conditioning facilities.

No definition available.

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Represents the number compounds EPA asked for public comment on draft toxicity assessments for PFAS compounds, including PFBS.

No definition available.

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The number of facilities related to the manufacture and disposal of PFAS.

No definition available.

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The number of local water works for whom the water authority supplies supply water.

No definition available.

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The number of PFCs the EPA has required to have public water system suppliers monitor.

No definition available.

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The amount of public water supplies for which the EPA reported results.

No definition available.

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The number of putative class action and other lawsuits.

No definition available.

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The number of samples used of water supplies used by the EPA to test for lifetime health advisory amounts of PFOA and PFOS chemicals.

No definition available.

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The number of unnamed defendants.

No definition available.

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The amount of water supplies that reported above the lifetime health advisory level issued by the EPA for both PFOA and PFOS under the technical advisory issued by the EPA in September 2016.

No definition available.

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The amount of water supplies that reported above the lifetime health advisory level issued by the EPA for PFOA.

No definition available.

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The amount of water supplies that reported above the lifetime health advisory level issued by the EPA for PFOS.

No definition available.

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Number of years after phase-out decision in May 2000 that the Company stopped manufacturing and using vast majority of perfluorooctanyl compounds.

No definition available.

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The quarterly fee paid to a co-defendant to retain responsibility, and liability for and indemnify the entity's subsidiary against product liability claims for respirators manufactured prior to July 11, 1995.

No definition available.

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The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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The increase (decrease) during the reporting period in the amount of benefits the ceding insurer expects to recover on insurance policies ceded to other insurance entities as of the balance sheet date for all guaranteed benefit types.

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Amount due in settlement of a claim for reimbursement from an insurance company when the Company has suffered a loss covered under an insurance policy.

No definition available.

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The increase (decrease) during the reporting period in asbestos and environmental claims reserve, before estimated recoveries from reinsurers.

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Amount awarded to other party in judgment or settlement of litigation.

No definition available.

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Amount of litigation expense, including but not limited to legal, forensic, accounting, and investigative fees.

No definition available.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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Amount of loss contingency liability.

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Amount of increase (decrease) in loss contingency liability.

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Amount of cash outflow reducing loss contingency liability.

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The value (monetary amount) of the award the plaintiff seeks in the legal matter.

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The total number of new claims filed pertaining to a loss contingency during the period.

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Number of plaintiffs that have filed claims pertaining to a loss contingency.

No definition available.

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Identifies individuals or entities that are co-defendants in a lawsuit, and who may have to pay all or a portion of any damages awarded.

No definition available.

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