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Business Segments | 3 Months Ended
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Mar. 31, 2024
Segment Reporting [Abstract] |
Business Segments | NOTE 17. Business Segments 3M’s businesses are organized, managed and internally grouped into segments based on differences in markets, products, technologies and services. 3M manages its operations in four business segments: Safety and Industrial; Transportation and Electronics; Health Care; and Consumer. 3M’s four business segments bring together common or related 3M technologies, enhancing the development of innovative products and services and providing for efficient sharing of business resources. On April 1, 2024, 3M completed the previously announced separation of its Health Care business as a separate public company, Solventum (see Note 3 for additional information). 3M is an integrated enterprise characterized by substantial intersegment cooperation, cost allocations and inventory transfers. Therefore, management does not represent that these segments, if operated independently, would report the operating income information shown. 3M discloses business segment operating income (loss) as its measure of segment profit/loss, reconciled to both total 3M operating income (loss) and income before taxes. Business segment operating income (loss) excludes certain expenses and income that are not allocated to business segments (as described below in “Corporate and Unallocated”). Effective in the first quarter of 2024, 3M made certain changes within its business segments in its continuing effort to improve the alignment of businesses around markets and customers. The changes included the items described below. While they impacted the composition of certain divisions within 3M's business segments, they did not change the overall composition of segments or the measure of segment operating performance used by 3M’s chief operating decision maker (CODM). The financial information presented herein reflects the impact of these changes for all periods presented. Creation of Industrial Specialties division (within Safety and Industrial business segment) and Commercial Branding and Transportation division (within Transportation and Electronics business segment) 3M created the Industrial Specialties division within Safety and Industrial business segment, which consists of the former Closure and Masking Systems division along with certain products formerly within Industrial Adhesive and Tapes division and the Personal Safety division. Further, 3M created the Commercial Branding and Transportation division within the Transportation and Electronics business segment, which consists of the former Commercial Solutions division and the Transportation Safety division. Re-alignment from three to four divisions within Consumer business segment The Consumer business segment re-aligned from three divisions to the following four divisions: Consumer Safety and Well-Being, Home and Auto Care, Home Improvement, and Packaging and Expression. Division name changes within the Health Care business segment The names of three of the Heath Care segment's divisions were changed. The Medical Solutions, Oral Care, and Separation and Purification Sciences divisions were renamed to Medical Surgical (MedSurg), Dental Solutions, and Purification and Filtration, respectively. Business Segment Information
|  | Three months ended March 31, |  |  |  |
Net Sales (Millions) |  | 2024 |  | 2023 |  |  |  |  |  |
Safety and Industrial |  | $ | 2,732 |  |  | $ | 2,779 |  |  |  |  |  |  |
Transportation and Electronics |  | 2,104 |  |  | 2,050 |  |  |  |  |  |  |
Health Care |  | 2,017 |  |  | 2,010 |  |  |  |  |  |  |
Consumer |  | 1,140 |  |  | 1,192 |  |  |  |  |  |  |
Corporate and Unallocated |  | 10 |  |  | — |  |  |  |  |  |  |
Total Company |  | $ | 8,003 |  |  | $ | 8,031 |  |  |  |  |  |  |
Operating Performance (Millions) |  |  |  |  |  |  |  |  |  |
Safety and Industrial |  | $ | 657 |  |  | $ | 601 |  |  |  |  |  |  |
Transportation and Electronics |  | 481 |  |  | 294 |  |  |  |  |  |  |
Health Care |  | 354 |  |  | 360 |  |  |  |  |  |  |
Consumer |  | 216 |  |  | 179 |  |  |  |  |  |  |
Total business segment operating income (loss) |  | 1,708 |  |  | 1,434 |  |  |  |  |  |  |
Corporate and Unallocated |  |  |  |  |  |  |  |  |  |
Corporate special items: |  |  |  |  |  |  |  |  |  |
Net costs for significant litigation |  | (63) |  |  | (82) |  |  |  |  |  |  |
Divestiture costs |  | (121) |  |  | (102) |  |  |  |  |  |  |
Total corporate special items |  | (184) |  |  | (184) |  |  |  |  |  |  |
Other corporate (expense) income - net |  | (23) |  |  | (9) |  |  |  |  |  |  |
Total Corporate and Unallocated |  | (207) |  |  | (193) |  |  |  |  |  |  |
Total Company operating income (loss) |  | 1,501 |  |  | 1,241 |  |  |  |  |  |  |
Other expense/(income), net |  | 264 |  |  | 52 |  |  |  |  |  |  |
Income (loss) before income taxes |  | $ | 1,237 |  |  | $ | 1,189 |  |  |  |  |  |  |
Corporate and Unallocated: Corporate and Unallocated operating income (loss) includes “corporate special items” and “other corporate expense-net”. Corporate special items include net costs for significant litigation impacting operating income (loss) associated with PFAS-related other environmental and Combat Arms Earplugs matters. In addition, during the voluntary chapter 11 bankruptcy period (which began in July 2022 and ended in June 2023—see Note 16), costs associated with the Aearo portion of respirator mask/asbestos matters were also included in corporate special items. Prior to the bankruptcy, costs associated with Combat Arms Earplugs matters were not included in the Corporate net costs for significant litigation special item, instead being reflected in the Safety and Industrial business segment. Corporate special items also include divestiture costs impacting operating income. These include costs related to separating and divesting substantially an entire business segment of 3M following public announcement of its intended divestiture. Other corporate expense-net includes certain enterprise and governance activities resulting in unallocated corporate costs and other activity and net costs that 3M may choose not to allocate directly to its business segments. Because Corporate and Unallocated includes a variety of miscellaneous items, it is subject to fluctuation on a quarterly and annual basis.

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- Definition The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 22 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-22 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 15 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-15 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 31 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-31 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 32 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-32 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 42 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-42 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 32 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-32 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 40 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-40 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org//280/tableOfContent Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 26 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-26 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 34 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-34 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 41 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-41 Reference 12: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 21 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-21 Reference 13: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 21 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-21 Reference 14: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 32 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-32 + Details
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