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BENEFIT PLANS - RECONCILIATION FOR THE PLAN ASSETS CATEGORIZED AS LEVEL 3 (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022
Change in Plan Assets. Level 3 [Roll Forward] |  |
Fair value of plan assets at beginning of year | $ 182 | $ 212
Actual return on plan assets: |  |
Effect of exchange rate changes | 17 | (5)
Fair value of plan assets at end of year | 207 | 182
Insurance contracts |  |
Change in Plan Assets. Level 3 [Roll Forward] |  |
Fair value of plan assets at beginning of year | 24 |
Actual return on plan assets: |  |
Fair value of plan assets at end of year | 26 | 24
Hedge funds |  |
Change in Plan Assets. Level 3 [Roll Forward] |  |
Fair value of plan assets at beginning of year | 9 |
Actual return on plan assets: |  |
Fair value of plan assets at end of year | 7 | 9
Real Estate |  |
Change in Plan Assets. Level 3 [Roll Forward] |  |
Fair value of plan assets at beginning of year | 1 |
Actual return on plan assets: |  |
Fair value of plan assets at end of year | 1 | 1
Level 3 |  |
Change in Plan Assets. Level 3 [Roll Forward] |  |
Fair value of plan assets at beginning of year | 34 | 46
Actual return on plan assets: |  |
Relating to assets still held at the reporting date | 2 | (6)
Purchases, sales and settlements, net | (4) | (3)
Effect of exchange rate changes | 2 | (3)
Fair value of plan assets at end of year | 34 | 34
Level 3 | Insurance contracts |  |
Change in Plan Assets. Level 3 [Roll Forward] |  |
Fair value of plan assets at beginning of year | 24 | 34
Actual return on plan assets: |  |
Relating to assets still held at the reporting date | 2 | (5)
Purchases, sales and settlements, net | (1) | (2)
Effect of exchange rate changes | 1 | (3)
Fair value of plan assets at end of year | 26 | 24
Level 3 | Hedge funds |  |
Change in Plan Assets. Level 3 [Roll Forward] |  |
Fair value of plan assets at beginning of year | 9 | 11
Actual return on plan assets: |  |
Relating to assets still held at the reporting date | 0 | (1)
Purchases, sales and settlements, net | (3) | (1)
Effect of exchange rate changes | 1 | 0
Fair value of plan assets at end of year | 7 | 9
Level 3 | Real Estate |  |
Change in Plan Assets. Level 3 [Roll Forward] |  |
Fair value of plan assets at beginning of year | 1 | 1
Actual return on plan assets: |  |
Relating to assets still held at the reporting date | 0 | 0
Purchases, sales and settlements, net | 0 | 0
Effect of exchange rate changes | 0 | 0
Fair value of plan assets at end of year | $ 1 | $ 1

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- Definition Amount, measured using unobservable inputs, of increase (decrease) in plan assets of defined benefit plan from actual return (loss) on assets still held. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 17 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480482/715-20-55-17 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d)(iv)(02)(A) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 + Details
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
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- Definition Amount of asset segregated and restricted to provide benefit under defined benefit plan. Asset includes, but is not limited to, stock, bond, other investment, earning from investment, and contribution by employer and employee. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 17 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480482/715-20-55-17 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d)(iv)(02) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d)(ii) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d)(iv)(01) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 Reference 6: http://www.xbrl.org/2003/role/exampleRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d)(ii) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 Reference 7: http://www.xbrl.org/2003/role/exampleRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d)(iv)(01) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 + Details
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- Definition Amount of foreign currency translation gain (loss) which increases (decreases) plan assets 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 1 -Subparagraph (b)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 + Details
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