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PENSION AND OTHER POSTRETIREMENT BENEFIT PROGRAMS - Weighted-Average Assumptions Used in Determining (Details) | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Pension benefits | Unfunded Plan | International plans |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Discount rate | 4.01% | 1.47% |
Rate of compensation increase | 3.34% | 3.11% |
Discount rate | 1.47% | 1.00% | 1.34%
Expected return on plan assets | 3.82% | 3.58% | 4.23%
Rate of compensation increase | 3.11% | 3.03% | 3.03%
Pension benefits | Nonqualified Plan | U.S. |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Discount rate | 5.55% | 3.01% |
Rate of compensation increase | 2.93% | 3.68% |
Discount rate | 3.01% | 2.73% | 3.44%
Expected return on plan assets | 5.00% | 5.50% | 6.50%
Rate of compensation increase | 3.68% | 3.68% | 3.68%
OPEB |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Annual rate of increase in the per-capita cost | 6.50% | 6.25% |
Rate decreased to | 5.00% | 5.00% |
Annual rate of increase in the per-capita cost | 6.50% | 6.25% | 6.50%
Rate decreased to | 5.00% | 5.00% | 5.00%
OPEB | Nonqualified Plan | U.S. |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Discount rate | 5.46% | 2.76% |
Discount rate | 2.76% | 2.33% | 3.16%

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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 -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (k)(1) -URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 + Details
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