XML 63 R51.htm IDEA: XBRL DOCUMENT
v3.19.2

Restructuring Actions and Exit Activities (Details) $ in Millions | 3 Months Ended
--- | ---
Jun. 30, 2019 USD ($) person | Dec. 31, 2018 USD ($) | Jun. 30, 2018 USD ($) individual
2019 Restructuring Actions |  |  |
Restructuring Cost and Reserve |  |  |
Restructuring and related cost, number of positions affected | person | 2,000 |  |
Restructuring charges | $ 148 |  |
Operating restructuring charges | 112 |  |
2019 Restructuring Actions | Employee-Related |  |  |
Restructuring Cost and Reserve |  |  |
Operating restructuring charges | 72 |  |
2019 Restructuring Actions | Asset-Related |  |  |
Restructuring Cost and Reserve |  |  |
Operating restructuring charges | 40 |  |
2019 Restructuring Actions | Cost of sales |  |  |
Restructuring Cost and Reserve |  |  |
Restructuring charges | 18 |  |
2019 Restructuring Actions | Selling, general and administrative expenses |  |  |
Restructuring Cost and Reserve |  |  |
Restructuring charges | 89 |  |
2019 Restructuring Actions | Research, development and related expenses |  |  |
Restructuring Cost and Reserve |  |  |
Restructuring charges | 5 |  |
2019 Restructuring Actions | Other expense (income), net |  |  |
Restructuring Cost and Reserve |  |  |
Restructuring charges | 36 |  |
2018 Restructuring Actions |  |  |
Restructuring Cost and Reserve |  |  |
Restructuring charges |  | $ 32 | $ 105
2018 Restructuring Actions | Cost of sales |  |  |
Restructuring Cost and Reserve |  |  |
Restructuring charges |  | 15 | 12
2018 Restructuring Actions | Selling, general and administrative expenses |  |  |
Restructuring Cost and Reserve |  |  |
Restructuring charges |  | 16 | 89
2018 Restructuring Actions | Research, development and related expenses |  |  |
Restructuring Cost and Reserve |  |  |
Restructuring charges |  | 1 | $ 4
Corporate and Unallocated | 2019 Restructuring Actions |  |  |
Restructuring Cost and Reserve |  |  |
Operating restructuring charges | 82 |  |
Corporate and Unallocated | 2019 Restructuring Actions | Employee-Related |  |  |
Restructuring Cost and Reserve |  |  |
Operating restructuring charges | 42 |  |
Corporate and Unallocated | 2019 Restructuring Actions | Asset-Related |  |  |
Restructuring Cost and Reserve |  |  |
Operating restructuring charges | 40 |  |
Corporate and Unallocated | 2018 Restructuring Actions |  |  |
Restructuring Cost and Reserve |  |  |
Restructuring and related cost, number of positions affected | individual |  |  | 1,200
Restructuring charges |  |  | $ 105
Pre-tax charge related to exit activities |  | 22 |
Adjustments for reductions in cost estimates |  | $ 10 |
Safety and Industrial | 2019 Restructuring Actions |  |  |
Restructuring Cost and Reserve |  |  |
Operating restructuring charges | 11 |  |
Safety and Industrial | 2019 Restructuring Actions | Employee-Related |  |  |
Restructuring Cost and Reserve |  |  |
Operating restructuring charges | 11 |  |
Transportation and Electronics | 2019 Restructuring Actions |  |  |
Restructuring Cost and Reserve |  |  |
Operating restructuring charges | 8 |  |
Transportation and Electronics | 2019 Restructuring Actions | Employee-Related |  |  |
Restructuring Cost and Reserve |  |  |
Operating restructuring charges | 8 |  |
Health Care | 2019 Restructuring Actions |  |  |
Restructuring Cost and Reserve |  |  |
Operating restructuring charges | 6 |  |
Health Care | 2019 Restructuring Actions | Employee-Related |  |  |
Restructuring Cost and Reserve |  |  |
Operating restructuring charges | 6 |  |
Consumer | 2019 Restructuring Actions |  |  |
Restructuring Cost and Reserve |  |  |
Operating restructuring charges | 5 |  |
Consumer | 2019 Restructuring Actions | Employee-Related |  |  |
Restructuring Cost and Reserve |  |  |
Operating restructuring charges | $ 5 |  |

X
- Definition This element represents the adjustments for reductions in cost estimates. + References No definition available. + Details
Name: | mmm_AdjustmentForExitCostIncurred
Namespace Prefix: | mmm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition This element represents the costs incurred related to exit activities. + References No definition available. + Details
Name: | mmm_ExitActivitiesCostIncurred
Namespace Prefix: | mmm_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Represents operating restructuring charges. + References No definition available. + Details
Name: | mmm_OperatingRestructuringCharges
Namespace Prefix: | mmm_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Discloses the amount charged against the accrued restructuring reserves, or earnings if not previously accrued, during the period for the specified type of restructuring cost. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(b)(1)) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(d)) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 + Details
Name: | us-gaap_RestructuringAndRelatedCostIncurredCost
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The number of positions eliminated during the period as a result of restructuring activities. + References No definition available. + Details
Name: | us-gaap_RestructuringAndRelatedCostNumberOfPositionsEliminated
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_RestructuringCostAndReserveLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_RestructuringPlanAxis=mmm_RestructuringActions2019Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RestructuringCostAndReserveAxis=us-gaap_EmployeeSeveranceMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RestructuringCostAndReserveAxis=mmm_AssetRelatedRestructuringMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=us-gaap_CostOfSalesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=us-gaap_SellingGeneralAndAdministrativeExpensesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=mmm_ResearchDevelopmentAndRelatedExpensesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=us-gaap_OtherExpenseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RestructuringPlanAxis=mmm_RestructuringActions2018Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ConsolidationItemsAxis=us-gaap_CorporateNonSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=mmm_SafetyAndIndustrialSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=mmm_TransportationAndElectronicsSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=mmm_ConsumerSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |