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RETIREMENT BENEFITS PLANS - Pension Plans Assumptions (Details) - Pension plans | 12 Months Ended
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Dec. 31, 2026 | Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
United States |  |  |  |
Assumptions used to determine benefit obligation at year-end (as a percent) |  |  |  |
Discount rate |  | 5.34% | 5.61% | 5.14%
Rate of compensation increase |  | 3.05% | 3.32% | 3.40%
Interest rate used to credit cash balance plans |  | 4.56% | 4.79% | 4.01%
Assumptions used to determine expense (as a percent) |  |  |  |
Discount rate used to determine benefit obligation |  | 5.61% | 5.14% | 5.47%
Discount rate used to determine service cost |  | 5.76% | 5.24% | 5.54%
Discount rate used to determine interest cost |  | 5.29% | 4.98% | 5.33%
Expected long-term return on plan assets |  | 7.00% | 6.50% | 6.50%
Rate of compensation increase |  | 3.32% | 3.40% | 3.33%
Interest rate used to credit cash balance plans |  | 4.79% | 4.01% | 3.67%
Non-United States plans |  |  |  |
Assumptions used to determine benefit obligation at year-end (as a percent) |  |  |  |
Discount rate |  | 5.11% | 4.92% | 4.52%
Rate of compensation increase |  | 3.13% | 3.16% | 3.17%
Interest rate used to credit cash balance plans |  | 2.50% | 2.01% | 1.59%
Assumptions used to determine expense (as a percent) |  |  |  |
Discount rate used to determine benefit obligation |  | 4.92% | 4.52% | 4.83%
Discount rate used to determine service cost |  | 5.90% | 6.00% | 5.90%
Discount rate used to determine interest cost |  | 4.71% | 4.47% | 4.80%
Expected long-term return on plan assets |  | 6.63% | 6.79% | 6.32%
Rate of compensation increase |  | 3.16% | 3.17% | 3.12%
Interest rate used to credit cash balance plans |  | 2.01% | 1.59% | 2.32%
Forecast | United States |  |  |  |
Assumptions used to determine expense (as a percent) |  |  |  |
Expected long-term return on plan assets | 7.50% |  |  |
Forecast | Non-United States plans |  |  |  |
Assumptions used to determine expense (as a percent) |  |  |  |
Expected long-term return on plan assets | 7.00% |  |  |

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- Definition Weighted average rate for present value of future retirement benefits cash flows, used to determine benefit obligation of defined benefit plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (j)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-5 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (k)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1 + Details
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