Accrual For Environmental Loss Contingencies, Period

No definition available.

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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.

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- Definition

Number of served claims pertaining to a loss contingency.

+ 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

Loss Contingency, Number Of Public Water System Lawsuits

+ 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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- Definition

The number of class action lawsuits involved.

+ References

No definition available.

+ Details

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Period Type:	duration

- Definition

The number of commercial drum conditioning facilities.

+ References

No definition available.

+ Details

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Data Type:	xbrli:integerItemType
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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Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- 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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Balance Type:	na
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- Definition

The number of putative class action and other lawsuits.

+ References

No definition available.

+ Details

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Data Type:	xbrli:integerItemType
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- Definition

The number of unnamed defendants.

+ References

No definition available.

+ Details

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Namespace Prefix:	mmm_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- 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

Undiscounted amount of the accrual for environmental loss contingencies.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=121557415&loc=d3e14326-108349

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 410
-SubTopic 30
-Section 50
-Paragraph 7
-URI https://asc.fasb.org/extlink&oid=6393242&loc=d3e13207-110859

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 5.Y.Q1)
-URI https://asc.fasb.org/extlink&oid=27011672&loc=d3e149879-122751

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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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- Definition

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 40
-Section 50
-Paragraph 3
-Subparagraph (b),(c)
-URI https://asc.fasb.org/extlink&oid=116884095&loc=d3e14764-158437

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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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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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- Definition

Amount of loss contingency liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=121557415&loc=d3e14326-108349

Reference 2: http://www.xbrl.org/2003/role/recommendedDisclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 10
-URI https://asc.fasb.org/extlink&oid=121557415&loc=d3e14615-108349

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- Definition

Amount of increase (decrease) in loss contingency liability.

+ References

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- Definition

Amount of damages awarded to the plaintiff in the legal matter.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (a)
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Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
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Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
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-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=121557415&loc=d3e14326-108349

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
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Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
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-SubTopic 20
-Section 50
-Paragraph 9
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=121557415&loc=d3e14557-108349

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- Definition

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

+ References

+ Details

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- Definition

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

+ References

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- Definition

Number of pending claims pertaining to a loss contingency.

+ References

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- Definition

The amount of cash paid for the settlement of litigation or for other legal issues during the period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 25
-Subparagraph (g)
-URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3536-108585

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- Definition

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.

+ References

No definition available.

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Commitments and Contingencies - Environmental (Details) € in Millions	1 Months Ended											3 Months Ended	6 Months Ended	12 Months Ended
	Aug. 31, 2022 plaintiff	Jul. 31, 2022 EUR (€) individual	Dec. 31, 2021 USD ($)	Sep. 30, 2021 EUR (€)	May 31, 2021 individual	Jun. 30, 2020 lawsuit	Jun. 30, 2019 lawsuit	May 31, 2019 lawsuit	Apr. 30, 2019 USD ($)	Mar. 31, 2019 lawsuit facility	Jul. 31, 2018 USD ($) chemical defendant facility mi	Jun. 30, 2022 USD ($)	Jun. 30, 2022 USD ($)	Dec. 31, 2022 USD ($) lawsuit perfluorinated_material case party	Nov. 30, 2022 party	Mar. 31, 2022 EUR (€)	Nov. 30, 2021 USD ($)
Product Liability Litigation
Increase in liabilities, gross		€ 571										$ 355,000,000	$ 500,000,000
Belgium
Product Liability Litigation
Number of lawsuits pending \| party														9	1
Zwijndrecht Site
Product Liability Litigation
Investment plan for environmental remediation \| €				€ 125												€ 150
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														3,350
Number of class action lawsuits														34
Number of public water system lawsuits														200
Environmental Matters - Aqueous Film Forming Foam Litigation \| Various state courts
Product Liability Litigation
Number of lawsuits pending														5
Number of lawsuits filed							8
Number of lawsuits served														50
Environmental Matters - Aqueous Film Forming Foam Litigation \| Federal court
Product Liability Litigation
Number of lawsuits pending														2
Environmental Matters - Other PFAS-related Environmental Litigation
Product Liability Litigation
Increase (decrease) accrued loss contingency reserve \| $														$ 659,000,000
Litigation payments \| $														$ 479,000,000
Environmental Matters - Other PFAS-related Environmental Litigation \| New Jersey
Product Liability Litigation
Number of lawsuits filed														27
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
Number of lawsuits filed														40
Number of additional new claims filed														5
Total number of named claimants \| individual		8			24
Environmental Matters - Other PFAS-related Environmental Litigation \| U.S. District Court of Eastern District of New York
Product Liability Litigation
Number of lawsuits pending														13
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) the company cannot release into "the waters of the United States." \| perfluorinated_material														2
Environmental Matters Other Pfc Related Environmental Litigation, Individual Cases \| New Jersey
Product Liability Litigation
Number of lawsuits filed														16
Environmental Matters - Other Environmental Litigation
Product Liability Litigation
Accrued loss contingency reserve \| $														$ 592,000,000
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 \| $														$ 29,000,000
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
Insurance receivables \| $														$ 8,000,000