XML 102 R84.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Income Taxes - Tax Effected Operating Loss, Capital Loss, and Tax Credit Carryovers (Details) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2018 USD ($)
Federal jurisdiction |
Tax effected operating loss, capital loss, and tax credit carryovers |
Tax effected operating loss, capital loss, and tax credit carryovers | $ 3
Federal jurisdiction | Maximum |
Tax effected operating loss, capital loss, and tax credit carryovers |
Tax effected operating loss, capital loss, and tax credit carryovers, expiration date | 20 years
Federal jurisdiction | Minimum |
Tax effected operating loss, capital loss, and tax credit carryovers |
Tax effected operating loss, capital loss, and tax credit carryovers, expiration date | 15 years
State jurisdiction |
Tax effected operating loss, capital loss, and tax credit carryovers |
Tax effected operating loss, capital loss, and tax credit carryovers | $ 19
State jurisdiction | Maximum |
Tax effected operating loss, capital loss, and tax credit carryovers |
Tax effected operating loss, capital loss, and tax credit carryovers, expiration date | 10 years
State jurisdiction | Minimum |
Tax effected operating loss, capital loss, and tax credit carryovers |
Tax effected operating loss, capital loss, and tax credit carryovers, expiration date | 5 years
International jurisdiction |
Tax effected operating loss, capital loss, and tax credit carryovers |
Tax effected operating loss, capital loss, and tax credit carryovers | $ 50
International jurisdiction | Maximum |
Tax effected operating loss, capital loss, and tax credit carryovers |
Tax effected operating loss, capital loss, and tax credit carryovers, expiration date | 3 years
International jurisdiction | Minimum |
Tax effected operating loss, capital loss, and tax credit carryovers |
Tax effected operating loss, capital loss, and tax credit carryovers, expiration date | 1 year

X
- Definition The tax effected operating loss, capital loss, and tax credit carryovers expiration date (in years). + References No definition available. + Details
Name: | mmm_DeferredTaxAssetsOtherTaxCarryforwardsExpirationDateInYears
Namespace Prefix: | mmm_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible tax carryforwards. + References No definition available. + Details
Name: | mmm_TaxEffectedOperatingLossCapitalLossAndTaxCreditCarryovers
Namespace Prefix: | mmm_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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 No definition available. + Details
Name: | us-gaap_OperatingLossCarryforwardsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_TaxCreditCarryforwardAxis=us-gaap_DomesticCountryMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TaxCreditCarryforwardAxis=us-gaap_StateAndLocalJurisdictionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TaxCreditCarryforwardAxis=us-gaap_ForeignCountryMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |