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PENSION AND OTHER POSTRETIREMENT BENEFITS 2 (Details) - USD ($) | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Dec. 31, 2020 | Sep. 30, 2020 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Other Postretirement Benefits [Member] |  |  |  |  |  |
Actuarial assumptions used to determine benefit obligations as of December 31: [Abstract] |  |  |  |  |  |
Discount rate | 2.20% |  |  | 2.66% | 2.20% | 3.03%
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract] |  |  |  |  |  |
Discount rate - benefit obligation | 2.36% | 3.03% |  | 2.20% | 2.36% | 4.07%
UNITED STATES |  |  |  |  |  |
Actuarial assumptions used to determine benefit obligations as of December 31: [Abstract] |  |  |  |  |  |
Discount rate | 2.50% |  |  | 2.87% | 2.50% | 3.22%
Expected annual rate of compensation increase | 3.25% |  |  | 3.25% | 3.25% | 3.25%
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract] |  |  |  |  |  |
Discount rate - benefit obligation |  |  |  | 2.50% | 3.22% | 4.35%
Expected rate of return on plan assets |  |  |  | 6.15% | 6.15% | 6.75%
Expected annual rate of compensation increase |  |  |  | 3.25% | 3.25% | 3.25%
Defined Benefit Plan, Pension Plan with Project Benefit Obligation in Excess of Plan Assets [Abstract] |  |  |  |  |  |
Projected benefit obligations | $ 353,000,000 |  |  | $ 359,000,000 | $ 353,000,000 |
Accumulated benefit obligations | 341,000,000 |  |  | 346,000,000 | 341,000,000 |
Fair value of plan assets | 0 |  |  | 0 | 0 |
Defined Benefit Plan Accumulated Benefit Obligation [Abstract] |  |  |  |  |  |
Accumulated benefit obligation | $ 17,900,000,000 |  |  | $ 17,300,000,000 | $ 17,900,000,000 |
UNITED STATES | Service Cost |  |  |  |  |  |
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract] |  |  |  |  |  |
Discount rate - benefit obligation |  |  |  | 2.68% | 3.33% | 4.47%
UNITED STATES | Interest Costs |  |  |  |  |  |
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract] |  |  |  |  |  |
Discount rate - benefit obligation |  |  |  | 1.76% | 2.76% | 3.94%
UNITED STATES | Forecast [Member] |  |  |  |  |  |
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract] |  |  |  |  |  |
Expected rate of return on plan assets |  |  | 6.40% |  |  |
UNITED STATES | Forecast [Member] | Service Cost |  |  |  |  |  |
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract] |  |  |  |  |  |
Discount rate - benefit obligation |  |  | 2.97% |  |  |
UNITED STATES | Forecast [Member] | Interest Costs |  |  |  |  |  |
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract] |  |  |  |  |  |
Discount rate - benefit obligation |  |  | 2.26% |  |  |
Foreign Plan [Member] |  |  |  |  |  |
Actuarial assumptions used to determine benefit obligations as of December 31: [Abstract] |  |  |  |  |  |
Discount rate | 1.23% |  |  | 1.79% | 1.23% | 1.81%
Expected annual rate of compensation increase | 2.43% |  |  | 2.56% | 2.43% | 2.47%
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract] |  |  |  |  |  |
Discount rate - benefit obligation |  |  |  | 1.24% | 1.81% | 2.63%
Expected rate of return on plan assets |  |  |  | 4.03% | 4.66% | 5.14%
Expected annual rate of compensation increase |  |  |  | 2.43% | 2.47% | 2.46%
Defined Benefit Plan, Pension Plan with Project Benefit Obligation in Excess of Plan Assets [Abstract] |  |  |  |  |  |
Projected benefit obligations | $ 2,116,000,000 |  |  | $ 964,000,000 | $ 2,116,000,000 |
Accumulated benefit obligations | 2,042,000,000 |  |  | 932,000,000 | 2,042,000,000 |
Fair value of plan assets | 1,208,000,000 |  |  | 256,000,000 | 1,208,000,000 |
Defined Benefit Plan Accumulated Benefit Obligation [Abstract] |  |  |  |  |  |
Accumulated benefit obligation | $ 7,600,000,000 |  |  | $ 6,900,000,000 | $ 7,600,000,000 |
Foreign Plan [Member] | Service Cost |  |  |  |  |  |
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract] |  |  |  |  |  |
Discount rate - benefit obligation |  |  |  | 1.00% | 1.48% | 2.26%
Foreign Plan [Member] | Interest Costs |  |  |  |  |  |
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract] |  |  |  |  |  |
Discount rate - benefit obligation |  |  |  | 1.00% | 1.56% | 2.34%

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- Definition Weighted average rate of return on plan assets, reflecting average rate of earnings expected on existing plan assets and expected contributions, used to determine net periodic benefit cost 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)(3) -URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e2919-114920 + Details
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