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Commitments and Contingencies - Environmental (Details) | 1 Months Ended | 3 Months Ended | 4 Months Ended | 6 Months Ended |
--- | --- | --- | --- | --- | ---
Mar. 31, 2024 USD ($) lawsuit party plaintiff | Feb. 29, 2024 lawsuit | Jan. 31, 2024 lawsuit | Dec. 31, 2023 plaintiff | Oct. 31, 2023 lawsuit | Aug. 31, 2023 lawsuit | May 31, 2023 EUR (€) party | Mar. 31, 2023 party | Feb. 28, 2023 plaintiff | Jul. 31, 2022 EUR (€) | Jun. 30, 2020 lawsuit | Jun. 30, 2019 lawsuit | May 31, 2019 lawsuit | Mar. 31, 2019 facility lawsuit | Jul. 31, 2018 USD ($) defendant facility chemical mi | Mar. 31, 2024 USD ($) lawsuit party case perfluorinated_material | Sep. 30, 2023 USD ($) | Mar. 31, 2024 USD ($) lawsuit injury party plaintiff | Jun. 30, 2022 USD ($) | Nov. 30, 2021 USD ($)
Product Liability Litigation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Increase in liabilities, gross |  |  |  |  |  |  |  |  |  | € 571,000,000 |  |  |  |  |  |  |  |  | $ 500,000,000 |
Belgian Civil Litigation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Liability Litigation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of lawsuits pending | party | 16 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 16 |  | 16 |  |
Settlement amount paid | € |  |  |  |  |  |  | € 500 |  |  |  |  |  |  |  |  |  |  |  |  |
Number of family members awarded | party |  |  |  |  |  |  | 4 |  |  |  |  |  |  |  |  |  |  |  |  |
Total number of named claimants | plaintiff |  |  |  | 1,400 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
City of Muscle Shoals, Alabama vs. 3M | Pending Litigation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Liability Litigation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total number of named claimants | plaintiff |  |  |  |  |  |  |  |  | 2 |  |  |  |  |  |  |  |  | 26 |  |
Number of personal injury actions against 3M | injury |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 6 |  |
Number of plaintiffs moved to remand | plaintiff |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4 |  |
PFAS Contamination |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Liability Litigation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of lawsuits filed |  | 2 | 2 |  | 2 | 2 | 2 | 2 |  |  |  |  |  |  |  |  |  |  |  |
PWS Settlement | Pending Litigation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Liability Litigation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total number of named claimants | plaintiff | 25 |  |  | 25 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Estimate of possible settlement amount | $ | $ 12,500,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 12,500,000,000 |  | $ 12,500,000,000 |  |
Pre-tax charge on settlement | $ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 10,300,000,000 |  |  |
Present value of possible loss | 5.20% |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5.20% |  | 5.20% |  |
Minimum | PWS Settlement | Pending Litigation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Liability Litigation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Estimate of possible settlement amount | $ | $ 10,500,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 10,500,000,000 |  | $ 10,500,000,000 |  |
Maximum | PWS Settlement | Pending Litigation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Liability Litigation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Estimate of possible settlement amount | $ | $ 12,500,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 12,500,000,000 |  | $ 12,500,000,000 |  |
City of Decatur, Decatur Utilities, and Morgan County |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Liability Litigation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Investment plan for environmental remediation | $ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 99,000,000
Environmental Matters - Regulatory Activities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Liability Litigation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of years after phase-out decision in May 2000 that the Company stopped manufacturing and using vast majority of perfluorooctanyl compounds |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 years |  |  |  |
Environmental Matters - Litigation | New Jersey |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Liability Litigation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of lawsuits filed |  |  |  |  |  |  |  |  |  |  | 2 |  |  | 2 |  |  |  |  |  |
Number of additional new claims filed |  |  |  |  |  |  |  |  |  |  | 2 |  |  |  |  |  |  |  |  |
Environmental Matters - Litigation | Salem County, New Jersey |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Liability Litigation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of facilities related to the manufacture and disposal of PFAS | facility |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 |  |  |  |  |  |
Environmental Matters - Litigation | New Hampshire |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Liability Litigation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of lawsuits filed |  |  |  |  |  |  |  |  |  |  |  |  | 2 |  |  |  |  |  |  |
Environmental Matters - Litigation | Vermont |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Liability Litigation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of lawsuits filed |  |  |  |  |  |  |  |  |  |  |  | 2 |  |  |  |  |  |  |  |
Environmental Matters - Litigation | Illinois |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Liability Litigation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of lawsuits filed |  |  |  |  |  |  |  |  |  |  |  | 2 |  |  |  |  |  |  |  |
Environmental Matters - Aqueous Film Forming Foam Litigation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Liability Litigation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of putative class action and other lawsuits |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 7,844 |  |  |  |
Number of class action lawsuits |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 50 |  |  |  |
Number of public water system lawsuits | 746 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 746 |  | 746 |  |
Environmental Matters - Aqueous Film Forming Foam Litigation | Various state courts |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Liability Litigation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of lawsuits pending | 5 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5 |  | 5 |  |
Number of lawsuits filed |  |  |  |  |  |  |  |  |  |  |  | 8 |  |  |  |  |  |  |  |
Number of lawsuits served |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 104 |  |  |  |
Environmental Matters - Aqueous Film Forming Foam Litigation | Federal court |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Liability Litigation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of lawsuits pending | 2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 |  | 2 |  |
Environmental Matters - Other PFAS-related Environmental Litigation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Liability Litigation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Increase (decrease) accrued loss contingency reserve | $ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 163,000,000 |  |  |  |
Litigation payments | $ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 61,000,000 |  |  |  |
Environmental Matters - Other PFAS-related Environmental Litigation | New Jersey |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Liability Litigation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of lawsuits filed |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 28 |  |  |  |
Number of lawsuits seeking medical monitoring and damages | case |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 10 |  |  |  |
Environmental Matters - Other PFAS-related Environmental Litigation | U.S. District Court of Eastern District of New York |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Liability Litigation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of lawsuits pending | 22 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 22 |  | 22 |  |
Environmental Matters - Other PFAS-related Environmental Litigation | Alabama and Georgia |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Liability Litigation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of putative class action and other lawsuits |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3 |  |  |  |
Environmental Matters - Other PFAS-related Environmental Litigation | Delaware. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Liability Litigation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of putative class action and other lawsuits |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 |  |  |  |
Environmental Matters - Other PFAS-related Environmental Litigation | Decatur, Alabama |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Liability Litigation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of perfluorinated materials (FBSA and FBSEE) | perfluorinated_material |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 |  |  |  |
Environmental Matters Other Pfc Related Environmental Litigation, Individual Cases | New Jersey |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Liability Litigation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of lawsuits filed |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 18 |  |  |  |
Environmental Matters - Other Environmental Litigation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Liability Litigation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accrued loss contingency reserve | $ | $ 11,100,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 11,100,000,000 |  | $ 11,100,000,000 |  |
Environmental Matters - Other Environmental Litigation | Other current liabilities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Liability Litigation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accrued loss contingency reserve | $ | 3,000,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3,000,000,000 |  | 3,000,000,000 |  |
Environmental Matters - Other Environmental Litigation | Other liabilities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Liability Litigation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accrued loss contingency reserve | $ | 8,100,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 8,100,000,000 |  | 8,100,000,000 |  |
Environmental Matters - Other Environmental Litigation | New Jersey |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Liability Litigation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Approximate number of miles of a river seeking to be cleaned | mi |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 8 |  |  |  |  |
The value the award the plaintiff seeks | $ |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 165,000,000 |  |  |  |  |
Number of chemicals of concern in the sediment | chemical |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 8 |  |  |  |  |
Number of commercial drum conditioning facilities | facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 |  |  |  |  |
Environmental Matters - Other Environmental Litigation | New Jersey | Minimum |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Liability Litigation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of unnamed defendant | defendant |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 120 |  |  |  |  |
Environmental Matters - Remediation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Liability Litigation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accrued loss contingency reserve | $ | 36,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 36,000,000 |  | 36,000,000 |  |
Number of years remediation payments expected to be paid for applicable sites |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 20 years |  |  |  |
Environmental Matters - Other |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Liability Litigation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accrued loss contingency reserve | $ | $ 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 |  | $ 0 |  |

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- Definition Litigation Settlement, Amount Awarded To Other Party, Number Of Plaintiffs Awarded + References No definition available. + Details
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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
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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
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- Definition The approximate number of miles of the river plaintiffs are seeking to be cleaned. + References No definition available. + Details
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- Definition The number of cases in which medical monitoring and damages is sought. + References No definition available. + Details
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- Definition The number of chemicals of concern in the sediment. + References No definition available. + Details
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Namespace Prefix: | mmm_
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Balance Type: | na
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- Definition The number of class action lawsuits involved. + References No definition available. + Details
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Namespace Prefix: | mmm_
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- Definition The number of commercial drum conditioning facilities. + References No definition available. + Details
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Balance Type: | na
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- Definition The number of facilities related to the manufacture and disposal of PFAS. + References No definition available. + Details
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- Definition The number of perfluorinated materials (FBSA and FBSEE) the company cannot release into "the waters of the United States." + References No definition available. + Details
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- Definition The number of putative class action and other lawsuits. + References No definition available. + Details
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- Definition Number of years after phase-out decision in May 2000 that the Company stopped manufacturing and using vast majority of perfluorooctanyl compounds. + References No definition available. + Details
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- Definition Amount awarded to other party in judgment or settlement of litigation. + References No definition available. + Details
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