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RETIREMENT AND POSTRETIREMENT BENEFIT PLANS - COMPONENTS OF NET PERIODIC BENEFIT COST (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Pension Benefits |  |  |
Net periodic benefit costs: |  |  |
Service cost — benefits earned during the period | $ 7 | $ 8 | $ 37
Interest cost on projected benefit obligation | 36 | 35 | 52
Expected return on plan assets | (38) | (59) | (73)
Recognized actuarial loss | 1 | 2 | 5
Recognized prior service credit | 0 | 0 | 0
(Gain) loss due to curtailment | 0 | 0 | (124)
Gain due to settlement | (1) | (19) | (19)
Special termination benefits | 0 | 0 | 22
Other costs and adjustments | 0 | 0 | 1
Net periodic benefit cost | 5 | (33) | (99)
Postretirement Benefits |  |  |
Net periodic benefit costs: |  |  |
Service cost — benefits earned during the period | 38 | 42 | 39
Interest cost on projected benefit obligation | 33 | 33 | 37
Expected return on plan assets | 0 | 0 | 0
Recognized actuarial loss | 5 | 15 | 11
Recognized prior service credit | (9) | (9) | (8)
(Gain) loss due to curtailment | 0 | 0 | 2
Gain due to settlement | 0 | 0 | 0
Special termination benefits | 0 | 0 | 0
Other costs and adjustments | 0 | 0 | 0
Net periodic benefit cost | $ 67 | $ 81 | $ 81

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- Definition Amount of expected return (loss) recognized in net periodic benefit (cost) credit, calculated based on expected long-term rate of return and market-related value of plan assets of defined benefit plan. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 17 -URI https://asc.fasb.org/extlink&oid=123450688&loc=d3e4179-114921 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 18 -URI https://asc.fasb.org/extlink&oid=123450688&loc=d3e4587-114921 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h)(3) -URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 45 -Paragraph 3A -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=123453770&loc=SL108413299-114919 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 6 -Subparagraph (a)(3) -URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e2709-114920 + Details
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