SUPPLEMENTAL ACCOUNT BALANCES - Other Long-Term Liabilities (Details) - USD ($) $ in Millions	Mar. 31, 2024	Dec. 31, 2023
Supplemental Information [Line Items]
Compensation-related liabilities	$ 33	$ 38
Postretirement benefit plan	35	36
Operating lease liability	56	55
Fair value of commodity derivative contracts	14	2
Premiums due on commodity derivative contracts	10	10
Contingent liability (related to Carbon TerraVault JV put and call rights)	253	201
Other	6	8
Related Party
Supplemental Information [Line Items]
Contingent liability (related to Carbon TerraVault JV put and call rights)	99	52
Nonrelated Party
Supplemental Information [Line Items]
Contingent liability (related to Carbon TerraVault JV put and call rights)	$ 253	$ 201

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Supplemental Information

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