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Business Segments
 6 Months Ended
Jun. 30, 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 as its measure of segment profit, reconciled to both total 3M operating income and income before taxes. Business segment operating income 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 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 June 30,Six months ended June 30,
Net sales (millions)2025202420252024
Safety and Industrial$2,857 $2,759 $5,602 $5,491 
Transportation and Electronics2,130 2,143 4,120 4,247 
Consumer1,270 1,263 2,394 2,403 
Total reportable business segment net sales6,257 6,165 12,116 12,141 
Corporate and Other87 90 182 130 
Total company$6,344 $6,255 $12,298 $12,271 
Significant segment expenses and operating performance (millions)
Safety and Industrial
 Cost of sales$1,537 $1,462 $3,007 $2,949 
 Selling, general and administrative expenses472 559 926 1,031 
 Research, development and related expenses 127 126 252 242 
Safety and Industrial operating income 721 612 1,417 1,269 
Transportation and Electronics
 Cost of sales1,277 1,255 2,520 2,500 
 Selling, general, administrative expenses270 342 546 615 
 Research, development and related expenses121 118 240 223 
Transportation and Electronics operating income 462 428 814 909 
Consumer
 Cost of sales748 749 1,417 1,429 
 Selling, general and administrative expenses223 261 427 475 
 Research, development and related expenses 31 34 63 64 
Consumer operating income268 219 487 435 
Total reportable business segment operating income 1,451 1,259 2,718 2,613 
Corporate and Other
Corporate special items:
Net costs for significant litigation(330)(8)(401)(71)
Divestiture costs — (14)— (20)
Loss on business divestitures (3)— (3)— 
Total corporate special items(333)(22)(404)(91)
Other corporate (expense) income - net22 35 72 (101)
Total Corporate and Other(311)13 (332)(192)
Total company operating income1,140 1,272 2,386 2,421 
Other expense/(income), net217 (138)78 82 
Income from continuing operations before income taxes$923 $1,410 $2,308 $2,339 
Depreciation and amortization
Three months ended June 30,Six months ended June 30,
(Millions)2025202420252024
Safety and Industrial$141 $137 $280 $272 
Transportation and Electronics111 113 219 220 
Consumer36 39 75 77 
Corporate and Other2 13 6 23 
Total continuing operations$290 $302 $580 $592 
Capital expenditures
Three months ended June 30,Six months ended June 30,
(Millions)2025202420252024
Safety and Industrial$77 $81 $155 $157 
Transportation and Electronics64 129 153 275 
Consumer16 20 27 44 
Corporate and Other51 39 109 91 
Total continuing operations$208 $269 $444 $567 
Assets
(Millions)June 30, 2025December 31, 2024
Business segment assets:
Inventories
Safety and Industrial$1,726 $1,509 
Transportation and Electronics1,341 1,269 
Consumer804 719 
Total business segment assets3,871 3,497 
All other current assets9,556 12,387 
Total non-current assets24,562 23,984 
Total assets$37,989 $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 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.
◦loss on business divestitures (see Note 4).
◦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 or 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.
◦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 previous divestitures.
◦costs previously allocated to Solventum prior to the Separation that were not eligible to be part of discontinued operations.