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EMPLOYEE RETIREMENT PLANS - Qualified Defined-benefit Pension Plan Assets at Fair Value by Level within the Fair Value Hierarchy (Details) - USD ($) $ in Millions | Dec. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Fair Value |  |
Plan assets | $ 101 | $ 92
Level 1 |  |
Fair Value |  |
Plan assets | 37 | 33
Level 2 |  |
Fair Value |  |
Plan assets | 52 | 48
Level 3 |  |
Fair Value |  |
Plan assets | 13 | 11
United States | Common and preferred stocks: |  |
Fair Value |  |
Plan assets | 21 | 18
United States | Corporate, government and other debt securities: |  |
Fair Value |  |
Plan assets | 6 | 6
United States | Level 1 | Common and preferred stocks: |  |
Fair Value |  |
Plan assets | 21 | 18
United States | Level 1 | Corporate, government and other debt securities: |  |
Fair Value |  |
Plan assets | 0 | 0
United States | Level 2 | Common and preferred stocks: |  |
Fair Value |  |
Plan assets | 0 | 0
United States | Level 2 | Corporate, government and other debt securities: |  |
Fair Value |  |
Plan assets | 6 | 6
United States | Level 3 | Common and preferred stocks: |  |
Fair Value |  |
Plan assets | 0 | 0
United States | Level 3 | Corporate, government and other debt securities: |  |
Fair Value |  |
Plan assets | 0 | 0
International | Common and preferred stocks: |  |
Fair Value |  |
Plan assets | 12 | 11
International | Corporate, government and other debt securities: |  |
Fair Value |  |
Plan assets | 28 | 22
International | Real estate: |  |
Fair Value |  |
Plan assets | 13 | 11
International | Buy-in annuity: |  |
Fair Value |  |
Plan assets | 3 | 2
International | Short-term and other investments: |  |
Fair Value |  |
Plan assets | 18 | 21
International | Level 1 | Common and preferred stocks: |  |
Fair Value |  |
Plan assets | 12 | 11
International | Level 1 | Corporate, government and other debt securities: |  |
Fair Value |  |
Plan assets | 0 | 0
International | Level 1 | Real estate: |  |
Fair Value |  |
Plan assets | 0 | 0
International | Level 1 | Buy-in annuity: |  |
Fair Value |  |
Plan assets | 0 | 0
International | Level 1 | Short-term and other investments: |  |
Fair Value |  |
Plan assets | 4 | 3
International | Level 2 | Common and preferred stocks: |  |
Fair Value |  |
Plan assets | 0 | 0
International | Level 2 | Corporate, government and other debt securities: |  |
Fair Value |  |
Plan assets | 28 | 22
International | Level 2 | Real estate: |  |
Fair Value |  |
Plan assets | 0 | 0
International | Level 2 | Buy-in annuity: |  |
Fair Value |  |
Plan assets | 3 | 2
International | Level 2 | Short-term and other investments: |  |
Fair Value |  |
Plan assets | 14 | 18
International | Level 3 | Common and preferred stocks: |  |
Fair Value |  |
Plan assets | 0 | 0
International | Level 3 | Corporate, government and other debt securities: |  |
Fair Value |  |
Plan assets | 0 | 0
International | Level 3 | Real estate: |  |
Fair Value |  |
Plan assets | 13 | 11
International | Level 3 | Buy-in annuity: |  |
Fair Value |  |
Plan assets | 0 | 0
International | Level 3 | Short-term and other investments: |  |
Fair Value |  |
Plan assets | $ 0 | $ 0

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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 50 -Paragraph 5 -Subparagraph (c)(ii) -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 5 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-5 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (c)(iv)(01) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-5 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (c)(iv)(01) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-5 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (c)(ii) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-5 Reference 6: 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 7: 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 8: 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 9: 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 10: 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 11: 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 12: 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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