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Business Segments
 3 Months Ended
Mar. 31, 2025
Segment Reporting [Abstract]  
Business Segments
NOTE 19. 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 continuing operations in three business segments: Safety and Industrial; Transportation and Electronics; and Consumer. 3M’s three 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 2 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 Other”). Business segment disclosures consider information used by/provided to 3M's chief operating decision maker (CODM). For 3M, the CODM is the chief executive officer. The CODM uses business segment operating income (loss) to allocate resources to segments in the planning and forecasting process along with periodic ongoing reviews of results and overall market activity.
Business Segment Information

Three months ended
March 31,
Net sales (millions)
20252024
Safety and Industrial$2,745 $2,732 
Transportation and Electronics1,990 2,104 
Consumer1,124 1,140 
Total reportable business segment net sales5,859 5,976 
Corporate and Other
95 40 
Total company
$5,954 $6,016 
Significant segment expenses and operating performance (millions)
Safety and Industrial
 Cost of sales$1,470 $1,487 
 Selling, general and administrative expenses454 472 
 Research, development and related expenses 125 116 
Safety and Industrial operating income (loss)696 657 
Transportation and Electronics
 Cost of sales1,243 1,245 
 Selling, general, administrative and goodwill impairment expenses
276 273 
 Research, development and related expenses119 105 
Transportation and Electronics operating income (loss)352 481 
Consumer
 Cost of sales669 680 
 Selling, general and administrative expenses204 214 
 Research, development and related expenses 32 30 
Consumer operating income (loss)219 216 
Total reportable business segment operating income (loss)1,267 1,354 
Corporate and Other
Corporate special items:
Net costs for significant litigation(71)(63)
Divestiture costs — (6)
Total corporate special items(71)(69)
Other corporate (expense) income - net
50 (136)
Total Corporate and Other
(21)(205)
Total company operating income (loss)
1,246 1,149 
Other expense/(income), net(139)220 
Income (loss) from continuing operations before income taxes
$1,385 $929 
Depreciation and amortization
Capital expenditures
Three months ended March 31,Three months ended March 31,
(Millions)2025202420252024
Safety and Industrial$139 $135 $78 $76 
Transportation and Electronics108 107 89 146 
Consumer39 38 11 24 
Corporate and Other
4 11 58 52 
Total continuing operations$290 $291 $236 $298 
Assets
(Millions)March 31, 2025December 31, 2024
Business segment assets:
Inventories
Safety and Industrial
$1,597 $1,509 
Transportation and Electronics
1,288 1,269 
Consumer
788 719 
Total business segment assets
3,673 3,497 
All other current assets
11,984 12,387 
Total non-current assets
24,294 23,984 
Total assets
$39,951 $39,868 
Beginning in the first quarter of 2025, "business segment assets" represent inventories, based on the extent of business segment information regularly provided to 3M's CODM. This impact is reflected in the table above for all periods presented.
Business segment depreciation reflected above is based on the underlying usage of assets and allocated depreciation
Corporate and Other: Outside of 3M's reportable operating segments, 3M has Corporate and Other which is not a reportable business segment as it does not meet the segment reporting criteria. Because Corporate and Other includes a variety of miscellaneous items, it is subject to fluctuation on a quarterly and annual basis.
Corporate and Other operating income (loss) includes “corporate special items” and “other corporate (expense) income-net”.
•Corporate special items includes, for the periods presented:
◦net costs for significant litigation impacting operating income (loss) associated with PFAS-related other environmental and Combat Arms Earplugs matters.
◦divestiture costs (related to separating and divesting substantially an entire business segment of 3M following public announcement of its intended divestiture) that were not eligible to be part of discontinued operations.
•Other corporate (expense) income-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.
◦commercial activity with Solventum following its April 1, 2024 Separation and certain operations of the former Health Care business segment retained by 3M.
◦transition arrangement agreements (e.g. fees charged by 3M, net of underlying costs) related to divested businesses, including those related to the Solventum Separation, as well as other applicable divestitures.
◦operations of businesses of the former Health Care segment divested prior to the Separation and therefore not reflected as discontinued operations within 3M's financial statements, along with limited-duration supply agreements with those previous divestitures.
◦costs previously allocated to Solventum prior to the Separation that were not eligible to be part of discontinued operations.