OTHER INCOME/(LOSS) (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
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| Other Income and Expenses [Abstract] | ||||
| Net periodic pension and OPEB income/(cost), excluding service cost (Note 11) | $ 357 | $ 19 | $ 584 | $ 44 |
| Investment-related interest income | 329 | 379 | 938 | 1,098 |
| Interest income/(expense) on income taxes | (8) | (7) | (20) | (23) |
| Realized and unrealized gains/(losses) on cash equivalents, marketable securities, and other investments | (23) | 20 | (19) | 63 |
| Royalty income | 91 | 121 | 300 | 335 |
| Other | 176 | 28 | 361 | 116 |
| Total | $ 922 | $ 560 | $ 2,144 | $ 1,633 |
| X | ||||||||||
- Definition Amount of realized and unrealized gain (loss) on investment. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount before accretion (amortization) of purchase discount (premium) of interest income on nonoperating securities. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of expense (reversal of expense) for net periodic benefit cost components, excluding service cost component, of defined benefit plan. Amount includes, but is not limited to, interest cost, expected (return) loss on plan asset, amortization of prior service cost (credit), amortization of (gain) loss, amortization of transition (asset) obligation, settlement (gain) loss, curtailment (gain) loss and certain termination benefits. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The aggregate amount of income or expense from ancillary business-related activities (that is to say, excluding major activities considered part of the normal operations of the business). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- References No definition available.
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- Definition Amount of income (expense) related to nonoperating activities, classified as other. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Ancillary revenue earned during the period from the consideration paid to the entity for the use of its rights and property by another party. Examples include licensing the use of copyrighted materials and leasing the extraction of natural resources. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of interest expense for an underpayment of income taxes. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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