XML 95 R83.htm IDEA: XBRL DOCUMENT
v3.19.1

Commitments and Contingencies - Product Liability (Details) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2019 USD ($) individual lawsuit case item | Dec. 31, 2018 item
Product Liability - Bair Hugger |  |
Product Liability Litigation |  |
Number of plaintiffs | item | 5,080 | 5,015
Accrued loss contingency reserve | $ | $ 0 |
Number of federal bellwether cases in aggregate that have a scheduled trial date set | 12 |
Number of federal bellwether cases dismissed | 11 |
Number of total claims dismissed | case | 61 |
Product Liability - Bair Hugger and medical malpractice claims | Hidalgo County Texas |  |
Product Liability Litigation |  |
Number of lawsuits filed | 1 |
Product Liability - Bair Hugger and medical malpractice claims | Hidalgo County Texas and Ramsey County Minnesota in Aggregate |  |
Product Liability Litigation |  |
Number of lawsuits filed | 2 |
Product Liability - Dual-Ended Combat Arms Earplugs |  |
Product Liability Litigation |  |
Number of lawsuits filed | 635 |
Number of putative class action and other lawsuits | 6 |
Number of plaintiffs | individual | 1,700 |

X
- Definition This element represents the number of federal bellwether cases dismissed. + References No definition available. + Details
Name: | mmm_NumberOfFederalBellwetherCasesDismissed
Namespace Prefix: | mmm_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition This element represents the number of federal bellwether cases in aggregate that have a scheduled trial date set. + References No definition available. + Details
Name: | mmm_NumberOfFederalBellwetherCasesInAggregate
Namespace Prefix: | mmm_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of putative class action and other lawsuits. + References No definition available. + Details
Name: | mmm_NumberOfPutativeClassActionAndOtherLawsuits
Namespace Prefix: | mmm_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of loss contingency liability. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=82911808&loc=d3e14326-108349 + Details
Name: | us-gaap_LossContingencyAccrualAtCarryingValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Number of claims dismissed. + References No definition available. + Details
Name: | us-gaap_LossContingencyClaimsDismissedNumber
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition The total number of new claims filed pertaining to a loss contingency during the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=82911808&loc=d3e14435-108349 + Details
Name: | us-gaap_LossContingencyNewClaimsFiledNumber
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of plaintiffs that have filed claims pertaining to a loss contingency. + References No definition available. + Details
Name: | us-gaap_LossContingencyNumberOfPlaintiffs
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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 No definition available. + Details
Name: | us-gaap_ProductLiabilityContingencyLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_ProductOrServiceAxis=mmm_ProductLiabilityBairHuggerMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=mmm_ProductLiabilityBairHuggerAndMedicalMalpracticeClaimsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=mmm_HidalgoCountyTexasMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=mmm_HidalgoCountyTexasAndRamseyCountyMinnesotaInAggregateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=mmm_ProductLiabilityDualEndedCombatArmsEarplugsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |