SUPPLEMENTAL ACCOUNT BALANCES - Other Noncurrent Assets (Details) - USD ($) $ in Millions	Mar. 31, 2025	Dec. 31, 2024
SUPPLEMENTAL INFORMATION [Abstract]
Operating lease right-of-use assets	$ 100	$ 105
Deferred financing costs - Revolving Credit Facility	24	23
Emission reduction credits	11	11
Fair value of commodity derivative contracts	12	16
Funded pension	67	67
Postretirement plan	13	13
Other	41	37
Other noncurrent assets	$ 268	$ 272

Defined Benefit Plan, Funded Pension, Noncurrent

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- Definition

Emission Reduction Credits, Noncurrent

+ References

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- Definition

Supplemental Information

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- Definition

Amount, after accumulated amortization, of debt issuance costs classified as noncurrent. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

+ References

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- Definition

Amount of asset, recognized in statement of financial position, for overfunded defined benefit pension and other postretirement plans.

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- Definition

Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled after one year or the normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset.

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- Definition

Amount of lessee's right to use underlying asset under operating lease.

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- Definition

Amount of other miscellaneous assets expected to be realized or consumed after one year or normal operating cycle, if longer.

+ References

No definition available.

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- Definition

Amount of noncurrent assets classified as other.

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