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PENSION AND OTHER POSTRETIREMENT BENEFIT PLANS - Schedule of Fair Value of Plan Assets by Category (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Significant unobservable inputs (Level 3)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	$ 16	$ 20
Fair Value, Measurements, Recurring | Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	2,009	2,102
Fair Value, Measurements, Recurring | Pension Benefits | Cash and cash equivalents
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	178	159
Fair Value, Measurements, Recurring | Pension Benefits | Government and government agency securities, U.S. securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	75	82
Fair Value, Measurements, Recurring | Pension Benefits | Government and government agency securities, International securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	39	42
Fair Value, Measurements, Recurring | Pension Benefits | Corporate bonds and notes, U.S. companies
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	1,094	1,194
Fair Value, Measurements, Recurring | Pension Benefits | Corporate bonds and notes, international companies
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	154	187
Fair Value, Measurements, Recurring | Pension Benefits | Equity securities, U.S. companies
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Equity securities, International companies
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	8	11
Fair Value, Measurements, Recurring | Pension Benefits | Mutual funds
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	71	73
Fair Value, Measurements, Recurring | Pension Benefits | Investments at net asset value, U.S. equity securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	227	166
Fair Value, Measurements, Recurring | Pension Benefits | Investments at net asset value, International equity securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	119	123
Fair Value, Measurements, Recurring | Pension Benefits | Investments at net asset value, Short-term investment fund
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Investments at net asset value, International debt securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Investments at net asset value, International equity securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Investments at net asset value, Real estate
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Limited partnerships, U.S. private equity investments
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	15	17
Fair Value, Measurements, Recurring | Pension Benefits | Limited partnerships, Diversified fund of funds
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	1
Fair Value, Measurements, Recurring | Pension Benefits | Limited partnerships, Emerging growth
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	2	2
Fair Value, Measurements, Recurring | Pension Benefits | All other investments
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	27	45
Fair Value, Measurements, Recurring | Pension Benefits | Quoted prices (Level 1)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	8	11
Fair Value, Measurements, Recurring | Pension Benefits | Quoted prices (Level 1) | Cash and cash equivalents
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Quoted prices (Level 1) | Government and government agency securities, U.S. securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Quoted prices (Level 1) | Government and government agency securities, International securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Quoted prices (Level 1) | Corporate bonds and notes, U.S. companies
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Quoted prices (Level 1) | Corporate bonds and notes, international companies
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Quoted prices (Level 1) | Equity securities, U.S. companies
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Quoted prices (Level 1) | Equity securities, International companies
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	8	11
Fair Value, Measurements, Recurring | Pension Benefits | Quoted prices (Level 1) | Mutual funds
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Quoted prices (Level 1) | Investments at net asset value, U.S. equity securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Quoted prices (Level 1) | Investments at net asset value, International equity securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Quoted prices (Level 1) | Investments at net asset value, Short-term investment fund
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Quoted prices (Level 1) | Investments at net asset value, International debt securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Quoted prices (Level 1) | Investments at net asset value, International equity securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Quoted prices (Level 1) | Investments at net asset value, Real estate
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Quoted prices (Level 1) | Limited partnerships, U.S. private equity investments
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Quoted prices (Level 1) | Limited partnerships, Diversified fund of funds
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Quoted prices (Level 1) | Limited partnerships, Emerging growth
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Quoted prices (Level 1) | All other investments
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Other significant observable inputs (Level 2)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	1,638	1,782
Fair Value, Measurements, Recurring | Pension Benefits | Other significant observable inputs (Level 2) | Cash and cash equivalents
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	178	159
Fair Value, Measurements, Recurring | Pension Benefits | Other significant observable inputs (Level 2) | Government and government agency securities, U.S. securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	75	82
Fair Value, Measurements, Recurring | Pension Benefits | Other significant observable inputs (Level 2) | Government and government agency securities, International securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	39	42
Fair Value, Measurements, Recurring | Pension Benefits | Other significant observable inputs (Level 2) | Corporate bonds and notes, U.S. companies
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	1,094	1,194
Fair Value, Measurements, Recurring | Pension Benefits | Other significant observable inputs (Level 2) | Corporate bonds and notes, international companies
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	154	187
Fair Value, Measurements, Recurring | Pension Benefits | Other significant observable inputs (Level 2) | Equity securities, U.S. companies
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Other significant observable inputs (Level 2) | Equity securities, International companies
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Other significant observable inputs (Level 2) | Mutual funds
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	71	73
Fair Value, Measurements, Recurring | Pension Benefits | Other significant observable inputs (Level 2) | Investments at net asset value, U.S. equity securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Other significant observable inputs (Level 2) | Investments at net asset value, International equity securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Other significant observable inputs (Level 2) | Investments at net asset value, Short-term investment fund
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Other significant observable inputs (Level 2) | Investments at net asset value, International debt securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Other significant observable inputs (Level 2) | Investments at net asset value, International equity securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Other significant observable inputs (Level 2) | Investments at net asset value, Real estate
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Other significant observable inputs (Level 2) | Limited partnerships, U.S. private equity investments
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Other significant observable inputs (Level 2) | Limited partnerships, Diversified fund of funds
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Other significant observable inputs (Level 2) | Limited partnerships, Emerging growth
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Other significant observable inputs (Level 2) | All other investments
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	27	45
Fair Value, Measurements, Recurring | Pension Benefits | Significant unobservable inputs (Level 3)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	17	20
Fair Value, Measurements, Recurring | Pension Benefits | Significant unobservable inputs (Level 3) | Cash and cash equivalents
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Significant unobservable inputs (Level 3) | Government and government agency securities, U.S. securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Significant unobservable inputs (Level 3) | Government and government agency securities, International securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Significant unobservable inputs (Level 3) | Corporate bonds and notes, U.S. companies
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Significant unobservable inputs (Level 3) | Corporate bonds and notes, international companies
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Significant unobservable inputs (Level 3) | Equity securities, U.S. companies
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Significant unobservable inputs (Level 3) | Equity securities, International companies
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Significant unobservable inputs (Level 3) | Mutual funds
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Significant unobservable inputs (Level 3) | Investments at net asset value, U.S. equity securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Significant unobservable inputs (Level 3) | Investments at net asset value, International equity securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Significant unobservable inputs (Level 3) | Investments at net asset value, Short-term investment fund
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Significant unobservable inputs (Level 3) | Investments at net asset value, International debt securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Significant unobservable inputs (Level 3) | Investments at net asset value, International equity securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Significant unobservable inputs (Level 3) | Investments at net asset value, Real estate
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Significant unobservable inputs (Level 3) | Limited partnerships, U.S. private equity investments
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	15	17
Fair Value, Measurements, Recurring | Pension Benefits | Significant unobservable inputs (Level 3) | Limited partnerships, Diversified fund of funds
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	1
Fair Value, Measurements, Recurring | Pension Benefits | Significant unobservable inputs (Level 3) | Limited partnerships, Emerging growth
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	2	2
Fair Value, Measurements, Recurring | Pension Benefits | Significant unobservable inputs (Level 3) | All other investments
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Net Asset Value
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	346	289
Fair Value, Measurements, Recurring | Pension Benefits | Net Asset Value | Cash and cash equivalents
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Net Asset Value | Government and government agency securities, U.S. securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Net Asset Value | Government and government agency securities, International securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Net Asset Value | Corporate bonds and notes, U.S. companies
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Net Asset Value | Corporate bonds and notes, international companies
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Net Asset Value | Equity securities, U.S. companies
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Net Asset Value | Equity securities, International companies
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Net Asset Value | Mutual funds
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Net Asset Value | Investments at net asset value, U.S. equity securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	227	166
Fair Value, Measurements, Recurring | Pension Benefits | Net Asset Value | Investments at net asset value, International equity securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	119	123
Fair Value, Measurements, Recurring | Pension Benefits | Net Asset Value | Investments at net asset value, Short-term investment fund
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Net Asset Value | Investments at net asset value, International debt securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Net Asset Value | Investments at net asset value, International equity securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Net Asset Value | Investments at net asset value, Real estate
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Net Asset Value | Limited partnerships, U.S. private equity investments
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Net Asset Value | Limited partnerships, Diversified fund of funds
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Net Asset Value | Limited partnerships, Emerging growth
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Net Asset Value | All other investments
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	$ 0	$ 0

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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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
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-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

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