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EMPLOYEE BENEFIT PLANS - Schedule of Fair Value Measurement Levels for Qualified Plan Assets (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Defined Benefit Plan Disclosure [Line Items]
Short-term investments, which approximates fair value	$ 2	$ 4
Total	$ 308	$ 283
Percent of fixed income funds in US securities	90.00%	70.00%
Percent of fixed income funds in international securities	10.00%	30.00%
Percent of equities mutual funds in US equities	100.00%	50.00%
Percent of equities mutual funds in international equities		50.00%
Fixed Income Funds
Defined Benefit Plan Disclosure [Line Items]
Mutual funds, fair value	$ 73	$ 68
Equity Funds
Defined Benefit Plan Disclosure [Line Items]
Mutual funds, fair value	232	211
Quoted Prices in Active Markets for Identical Assets (Level 1)
Defined Benefit Plan Disclosure [Line Items]
Short-term investments, which approximates fair value	2	4
Total	308	283
Quoted Prices in Active Markets for Identical Assets (Level 1) | Fixed Income Funds
Defined Benefit Plan Disclosure [Line Items]
Mutual funds, fair value	73	68
Quoted Prices in Active Markets for Identical Assets (Level 1) | Equity Funds
Defined Benefit Plan Disclosure [Line Items]
Mutual funds, fair value	232	211
Significant Other Observable Inputs (Level 2)
Defined Benefit Plan Disclosure [Line Items]
Short-term investments, which approximates fair value	0	0
Total	0	0
Significant Other Observable Inputs (Level 2) | Fixed Income Funds
Defined Benefit Plan Disclosure [Line Items]
Mutual funds, fair value	0	0
Significant Other Observable Inputs (Level 2) | Equity Funds
Defined Benefit Plan Disclosure [Line Items]
Mutual funds, fair value	0	0
Significant Unobservable Inputs (Level 3)
Defined Benefit Plan Disclosure [Line Items]
Short-term investments, which approximates fair value	0	0
Total	0	0
Significant Unobservable Inputs (Level 3) | Fixed Income Funds
Defined Benefit Plan Disclosure [Line Items]
Mutual funds, fair value	0	0
Significant Unobservable Inputs (Level 3) | Equity Funds
Defined Benefit Plan Disclosure [Line Items]
Mutual funds, fair value	$ 0	$ 0

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Mutual Funds, Fair Value

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Percent Of Fixed Income Funds In International Securities

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Percent Of Fixed Income Funds In U.S. Securities

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Ratio Of Equities Mutual Funds In International Equities

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Ratio Of Equities Mutual Funds In Us Equities

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Cash includes currency on hand as well as demand deposits with banks or financial institutions. It also includes other kinds of accounts that have the general characteristics of demand deposits in that the customer may deposit additional funds at any time and effectively may withdraw funds at any time without prior notice or penalty. Cash equivalents, excluding items classified as marketable securities, include short-term, highly liquid Investments that are both readily convertible to known amounts of cash, and so near their maturity that they present minimal risk of changes in value because of changes in interest rates. Generally, only investments with original maturities of three months or less qualify under that definition. Original maturity means original maturity to the entity holding the investment. For example, both a three-month US Treasury bill and a three-year Treasury note purchased three months from maturity qualify as cash equivalents. However, a Treasury note purchased three years ago does not become a cash equivalent when its remaining maturity is three months. Short-term investments, exclusive of cash equivalents, generally consist of marketable securities intended to be sold within one year (or the normal operating cycle if longer) and may include trading securities, available-for-sale securities, or held-to-maturity securities (if maturing within one year), as applicable.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(9))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1

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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.

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Amount of investments including trading securities, available-for-sale securities, held-to-maturity securities, and short-term investments classified as other and current.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(8))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1

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-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(5))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1

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-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1

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