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Commitments and Contingencies - Environmental (Details) | 1 Months Ended | 3 Months Ended | 6 Months Ended | 9 Months Ended |  |
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May 31, 2023 EUR (€) party | Mar. 31, 2023 party | Feb. 28, 2023 plaintiff | Aug. 31, 2022 plaintiff | Jul. 31, 2022 EUR (€) | Dec. 31, 2021 USD ($) | Sep. 30, 2021 EUR (€) | Jun. 30, 2020 lawsuit | Jun. 30, 2019 lawsuit | May 31, 2019 lawsuit | Apr. 30, 2019 USD ($) | Mar. 31, 2019 facility lawsuit | Jul. 31, 2018 USD ($) facility chemical defendant mi | Sep. 30, 2023 USD ($) lawsuit party | Jun. 30, 2022 USD ($) | Jun. 30, 2022 USD ($) | Sep. 30, 2023 USD ($) lawsuit case perfluorinated_material party plaintiff | Mar. 31, 2022 EUR (€) | Nov. 30, 2021 USD ($)
Product Liability Litigation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Increase in liabilities, gross |  |  |  |  | € 571,000,000 |  |  |  |  |  |  |  |  |  | $ 355,000,000 | $ 500,000,000 |  |  |
Belgian Civil Litigation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Liability Litigation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of lawsuits pending | party |  |  |  |  |  |  |  |  |  |  |  |  |  | 8 |  |  | 8 |  |
Settlement amount paid | € | € 500 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of family members awarded | party | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
City of Muscle Shoals, Alabama vs. 3M |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Liability Litigation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total number of named claimants | plaintiff |  |  | 2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
PFAS Contamination |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Liability Litigation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of lawsuits filed | party | 2 | 2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
PWS Settlement | Pending Litigation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Liability Litigation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Estimate of possible settlement amount | $ |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 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% |  |
Putative Class Action |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Liability Litigation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of lawsuits filed | party |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 |  |
Minimum | PWS Settlement | Pending Litigation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Liability Litigation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Estimate of possible settlement amount | $ |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 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 |  |
Zwijndrecht Site |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Liability Litigation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Investment plan for environmental remediation | € |  |  |  |  |  |  | € 125,000,000 |  |  |  |  |  |  |  |  |  |  | € 150,000,000 |
Investment plan for environmental remediation, period (in years) |  |  |  |  |  |  | 3 years |  |  |  |  |  |  |  |  |  |  |  |
City of Decatur, Decatur Utilities, and Morgan County |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Liability Litigation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Investment plan for environmental remediation | $ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 99,000,000
Damages awarded | $ |  |  |  |  |  |  |  |  |  |  | $ 35,000,000 |  |  |  |  |  |  |  |
Total number of named claimants | plaintiff |  |  |  | 37 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
City Of Guin Water Works And Sewer Board |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Liability Litigation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Settlement amount paid | $ |  |  |  |  |  | $ 30,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |
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 - Aqueous Film Forming Foam Litigation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Liability Litigation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of putative class action and other lawsuits |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 6,006 |  |
Number of class action lawsuits |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 48 |  |
Number of public water system lawsuits |  |  |  |  |  |  |  |  |  |  |  |  |  | 689 |  |  | 689 |  |
Environmental Matters - Aqueous Film Forming Foam Litigation | Various state courts |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Liability Litigation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of lawsuits pending |  |  |  |  |  |  |  |  |  |  |  |  |  | 5 |  |  | 5 |  |
Number of lawsuits filed |  |  |  |  |  |  |  |  | 8 |  |  |  |  |  |  |  |  |  |
Number of lawsuits served |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 194 |  |
Environmental Matters - Aqueous Film Forming Foam Litigation | Federal court |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Liability Litigation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of lawsuits pending |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 |  |  | 2 |  |
Environmental Matters - Other PFAS-related Environmental Litigation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Liability Litigation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Increase (decrease) accrued loss contingency reserve | $ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 10,500,000,000 |  |
Litigation payments | $ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 201,000,000 |  |
Environmental Matters - Other PFAS-related Environmental Litigation | New Jersey |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Liability Litigation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of lawsuits filed |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 30 |  |
Number of lawsuits seeking medical monitoring and damages | case |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 10 |  |
Environmental Matters - Other PFAS-related Environmental Litigation | U.S. District Court of New York State |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Liability Litigation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Settlement amount paid | $ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 65,000,000 |  |
Number of lawsuits filed |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 10 |  |
Total number of named claimants | plaintiff |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 20 |  |
Number of cases settled |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 32 |  |
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 |  |
Environmental Matters - Other PFAS-related Environmental Litigation | Alabama and Georgia |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Liability Litigation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of putative class action and other lawsuits |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 |  |
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 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 20 |  |
Environmental Matters - Other Environmental Litigation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Liability Litigation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accrued loss contingency reserve | $ |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 10,900,000,000 |  |  | $ 10,900,000,000 |  |
Environmental Matters - Other Environmental Litigation | Other current liabilities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Liability Litigation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accrued loss contingency reserve | $ |  |  |  |  |  |  |  |  |  |  |  |  |  | 3,100,000,000 |  |  | 3,100,000,000 |  |
Environmental Matters - Other Environmental Litigation | Other liabilities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Liability Litigation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accrued loss contingency reserve | $ |  |  |  |  |  |  |  |  |  |  |  |  |  | 7,800,000,000 |  |  | 7,800,000,000 |  |
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 | $ |  |  |  |  |  |  |  |  |  |  |  |  |  | 35,000,000 |  |  | $ 35,000,000 |  |
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 |  |
Insurance receivables | $ |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 8,000,000 |  |  | $ 8,000,000 |  |

X
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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 due in settlement of a claim for reimbursement from an insurance company when the Company has suffered a loss covered under an insurance policy. + References No definition available. + Details
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