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OTHER INCOME/(LOSS) (Tables) | 9 Months Ended
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Sep. 30, 2025
Other Income and Expenses [Abstract] |
Schedule of Other Income (loss) | The amounts included in Other income/(loss), net for the periods ended September 30 were as follows (in millions):
| Third Quarter |  | First Nine Months
| 2024 |  | 2025 |  | 2024 |  | 2025
Net periodic pension and OPEB income/(cost), excluding service cost (Note 11) | $ | (347) |  |  | $ | 19 |  |  | $ | (266) |  |  | $ | 44 |
Investment-related interest income | 367 |  |  | 379 |  |  | 1,144 |  |  | 1,098 |
Interest income/(expense) on income taxes | (1) |  |  | (7) |  |  | (24) |  |  | (23) |
Realized and unrealized gains/(losses) on cash equivalents, marketable securities, and other investments | (17) |  |  | 20 |  |  | (25) |  |  | 63 |
Gains/(Losses) on changes in investments in affiliates | 66 |  |  | — |  |  | 90 |  |  | 8 |
Royalty income | 123 |  |  | 121 |  |  | 360 |  |  | 335 |
Other | (77) |  |  | 28 |  |  | (39) |  |  | 108 |
Total | $ | 114 |  |  | $ | 560 |  |  | $ | 1,240 |  |  | $ | 1,633 |

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- Definition Tabular disclosure of the components of non-operating income or non-operating expense that may include amounts earned from dividends, interest on securities, gains (losses) on securities sold, equity earnings of unconsolidated affiliates, net gain (loss) on sales of business, interest expense and other miscellaneous income or expense items. + References No definition available. + Details
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