XML 98 R86.htm IDEA: XBRL DOCUMENT
v3.25.2

Stock-Based Compensation - Narrative (Details) | 6 Months Ended
--- | ---
Jun. 30, 2025 age
Share-Based Payment Arrangement [Abstract] |
Retirement age eligibility for employees | 55
Retirement eligibility for employees, minimum years of service required (in years) | 10 years
Percent of stock-based compensation related to retiree-eligible population (as a percent) | 31.00%

X
- Definition Percent of stock-based compensation related to retiree-eligible population. + References No definition available. + Details
Name: | mmm_ShareBasedCompensationArrangementByShareBasedPaymentAwardExpensePortionAttributableToRetireeEligiblePopulationPercent
Namespace Prefix: | mmm_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The age at which employees of the entity are eligible for retirement, which combined with reaching years of service triggers expense recognition of share based compensation expense, in years. + References No definition available. + Details
Name: | mmm_ShareBasedCompensationArrangementByShareBasedPaymentAwardExpenseRecognitionEligibleForRetirementAge
Namespace Prefix: | mmm_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition Estimated period over which an employee is required to provide service in exchange for the equity-based payment award, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardRequisiteServicePeriod1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration