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Business Segments and Geographic Information - Schedule of Business Segment Information (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2024 | Sep. 30, 2024 | Jun. 30, 2024 | Mar. 31, 2024 | Dec. 31, 2023 | Sep. 30, 2023 | Jun. 30, 2023 | Mar. 31, 2023 | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Business Segment Information |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  | $ 6,010 | $ 6,294 | $ 6,255 | $ 6,016 | $ 6,002 | $ 6,270 | $ 6,283 | $ 6,055 | $ 24,575 | $ 24,610 | $ 26,161
Selling, general and administrative expenses |  |  |  |  |  |  |  |  |  | 4,221 | 19,198 | 7,232
Research, development and related expenses |  |  |  |  |  |  |  |  |  | 1,085 | 1,154 | 1,160
Total Company operating income (loss) |  |  |  |  |  |  |  |  |  | 4,822 | (10,689) | 4,369
Gain on business divestitures | [1] |  |  |  |  |  |  |  |  | 0 | 36 | 2,724
Total operating expenses |  |  |  |  |  |  |  |  |  | 19,753 | 35,299 | 21,792
Other expense (income), net |  |  |  |  |  |  |  |  |  | 3 | 582 | 165
Income (loss) from continuing operations before income taxes |  |  |  |  |  |  |  |  |  | 4,819 | (11,271) | 4,204
Assets |  | 39,868 |  |  |  | 36,858 |  |  |  | 39,868 | 36,858 |
Depreciation & Amortization |  |  |  |  |  |  |  |  |  | 1,224 | 1,433 | 1,254
Capital Expenditures |  |  |  |  |  |  |  |  |  | 1,104 | 1,388 | 1,477
Operating Segments |  |  |  |  |  |  |  |  |  |  |  |
Business Segment Information |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  | 24,272 | 24,483 | 25,798
Total Company operating income (loss) |  |  |  |  |  |  |  |  |  | 5,001 | 4,540 | 3,086
Operating Segments | Safety and Industrial |  |  |  |  |  |  |  |  |  |  |  |
Business Segment Information |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  | 10,961 | 10,956 | 11,604
Cost of sales |  |  |  |  |  |  |  |  |  | 5,965 | 6,137 | 6,510
Selling, general and administrative expenses |  |  |  |  |  |  |  |  |  | 2,020 | 2,023 | 3,467
Research, development and related expenses |  |  |  |  |  |  |  |  |  | 485 | 472 | 492
Total Company operating income (loss) |  |  |  |  |  |  |  |  |  | 2,491 | 2,324 | 1,135
Assets |  | 10,877 |  |  |  | 11,212 |  |  |  | 10,877 | 11,212 |
Depreciation & Amortization |  |  |  |  |  |  |  |  |  | 556 | 530 | 566
Capital Expenditures |  |  |  |  |  |  |  |  |  | 373 | 285 | 512
Operating Segments | Transportation and Electronics |  |  |  |  |  |  |  |  |  |  |  |
Business Segment Information |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  | 8,380 | 8,501 | 8,902
Cost of sales |  |  |  |  |  |  |  |  |  | 5,106 | 5,524 | 5,413
Selling, general, administrative and goodwill impairment expenses |  |  |  |  |  |  |  |  |  | 1,236 | 1,207 | 2,042
Research, development and related expenses |  |  |  |  |  |  |  |  |  | 460 | 458 | 474
Total Company operating income (loss) |  |  |  |  |  |  |  |  |  | 1,578 | 1,312 | 973
Assets |  | 6,531 |  |  |  | 6,826 |  |  |  | 6,531 | 6,826 |
Depreciation & Amortization |  |  |  |  |  |  |  |  |  | 458 | 537 | 410
Capital Expenditures |  |  |  |  |  |  |  |  |  | 468 | 723 | 562
Operating Segments | Consumer |  |  |  |  |  |  |  |  |  |  |  |
Business Segment Information |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  | 4,931 | 5,026 | 5,292
Cost of sales |  |  |  |  |  |  |  |  |  | 2,912 | 3,064 | 3,252
Selling, general and administrative expenses |  |  |  |  |  |  |  |  |  | 955 | 933 | 943
Research, development and related expenses |  |  |  |  |  |  |  |  |  | 132 | 125 | 119
Total Company operating income (loss) |  |  |  |  |  |  |  |  |  | 932 | 904 | 978
Assets |  | 2,518 |  |  |  | 2,625 |  |  |  | 2,518 | 2,625 |
Depreciation & Amortization |  |  |  |  |  |  |  |  |  | 157 | 160 | 148
Capital Expenditures |  |  |  |  |  |  |  |  |  | 80 | 105 | 146
Corporate and Unallocated |  |  |  |  |  |  |  |  |  |  |  |
Business Segment Information |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  | 271 | 90 | 82
Net costs for significant litigation |  |  |  |  |  |  |  |  |  | (45) | (14,785) | (877)
Divestiture costs |  |  |  |  |  |  |  |  |  | (20) | (13) | (8)
Gain on business divestitures |  |  |  |  |  |  |  |  |  | 0 | 36 | 2,724
Divestiture-related restructuring actions |  |  |  |  |  |  |  |  |  | 0 | 0 | (41)
Russia exit (charges) benefits |  |  |  |  |  |  |  |  |  | 0 | 18 | (101)
Total corporate special items |  |  |  |  |  |  |  |  |  | (65) | (14,744) | 1,697
Other corporate (expense) income - net |  |  |  |  |  |  |  |  |  | (108) | (540) | (484)
Total operating expenses |  |  |  |  |  |  |  |  |  | (173) | (15,284) | 1,213
Assets |  | $ 19,942 |  |  |  | $ 16,195 |  |  |  | 19,942 | 16,195 |
Depreciation & Amortization |  |  |  |  |  |  |  |  |  | 53 | 206 | 130
Capital Expenditures |  |  |  |  |  |  |  |  |  | 183 | 275 | 257
Other |  |  |  |  |  |  |  |  |  |  |  |
Business Segment Information |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  | 32 | 37 | 281
Total Company operating income (loss) |  |  |  |  |  |  |  |  |  | $ (6) | $ 55 | $ 70
[1] | The Consolidated Statements of Cash Flows include the results of continuing and discontinued operations and, therefore, also include cash and cash equivalents associated with Solventum through its April 2024 separation from 3M that were presented in current assets of discontinued operations in the 3M Consolidated Balance Sheet.

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