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Supplemental Income (Loss) Statement Information | 12 Months Ended
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Dec. 31, 2024
Other Income and Expenses [Abstract] |
Supplemental Income (Loss) Statement Information | NOTE 7. Supplemental Income (Loss) Statement Information Other expense (income), net consists of the following:
(Millions) |  |  |  |  |  | 2024 |  | 2023 |  | 2022
Interest expense |  |  |  |  |  | $ | 1,191 |  |  | $ | 941 |  | $ | 462 |
Interest income |  |  |  |  |  | (452) |  |  | (250) |  |  | (65) |
Pension and postretirement net periodic benefit cost (benefit) |  |  |  |  |  | 828 |  |  | (109) |  |  | (232) |
Solventum ownership - change in value |  |  |  |  |  | (1,564) |  | — |  | — |
Total |  |  |  |  |  | $ | 3 |  | $ | 582 |  | $ | 165 |
Interest expense includes $472 million, $565 million and $462 million in 2024, 2023 and 2022, respectively, related to outstanding debt. Beginning in 2023, interest expense also includes imputed interest associated with the obligations resulting from the PWS Settlement and the CAE Settlement (discussed in Note 19). Pension and postretirement net periodic benefit income described in the table above include all components of defined benefit plan net periodic benefit cost (benefit) except service cost, which is reported in various operating expense lines. The non-service cost component above for the 2024 was impacted by a $0.8 billion pension settlement charge. Refer to Note 15 for additional details on the components of pension and postretirement net periodic benefit cost (benefit). Solventum ownership - change in value relates to the change in value of 3M's retained ownership interest in common stock of Solventum Corporation, an independent public company. Solventum separated from 3M in April 2024 (discussed in Note 2). At December 31, 2024, the balance of net unrealized gain on this investment is $1.6 billion.

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- Definition The entire disclosure for the components of non-operating income or non-operating expense, including, but not limited to, amounts earned from dividends, interest on securities, gain (loss) on securities sold, equity earnings of unconsolidated affiliates, gain (loss) on sales of business, interest expense and other miscellaneous income or expense items. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(7)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(9)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2 + Details
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