XML 58 R41.htm IDEA: XBRL DOCUMENT
v3.24.1.u1

Divestitures - Divestitures (Details) - Discontinued Operations, Disposed of by Means Other than Sale, Spinoff - Health Care - Subsequent Event $ in Billions | Apr. 01, 2024 USD ($)
--- | ---
Business Acquisition [Line Items] |
Ownership interest of outstanding shares ( as a percent) | 80.10%
Percentage of shares received for each previous share | 0.25
Proceeds from debt | $ 7.7
Ownership interest after spinoff (as a percent) | 19.90%

X
- Definition Discontinued Operation, Equity Method Investment, Consideration, Shares, Ratio + References No definition available. + Details
Name: | mmm_DiscontinuedOperationEquityMethodInvestmentConsiderationSharesRatio
Namespace Prefix: | mmm_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

X
- Definition Discontinued Operation, Equity Method Investment, Ownership Interest Distributed, Percent + References No definition available. + Details
Name: | mmm_DiscontinuedOperationEquityMethodInvestmentOwnershipInterestDistributedPercent
Namespace Prefix: | mmm_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- 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 Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 805 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479907/805-20-50-5 + Details
Name: | us-gaap_BusinessAcquisitionLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percent, after disposal, of ownership interest of a discontinued operation in which an equity method investment is retained. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 205 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4B -Subparagraph (d)(3) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483499/205-20-50-4B + Details
Name: | us-gaap_DiscontinuedOperationEquityMethodInvestmentRetainedAfterDisposalOwnershipInterestAfterDisposal
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 14 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-14 + Details
Name: | us-gaap_ProceedsFromIssuanceOfDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_DisposalGroupClassificationAxis=us-gaap_DiscontinuedOperationsDisposedOfByMeansOtherThanSaleSpinoffMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis=mmm_HealthCareSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |