LONG-TERM DEBT - DEBT ACTIVITY (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023
Debt Instrument [Line Items]
Long-term debt, gross	$ 24,391	$ 17,955
Borrowings	9,700
Debt assumptions related to CrownRock	1,244
Repayments	(4,507)
Foreign currency revaluation on CAD denominated debt	(1)
364-day term loan due 2025 \| Secured Debt
Debt Instrument [Line Items]
Borrowings	2,000
Repayments	$ (2,000)
Debt term	364 days	364 days
Secured Debt \| Two-year term loan due 2026
Debt Instrument [Line Items]
Long-term debt, gross	$ 2,700	$ 0
Borrowings	$ 2,700
Debt term	2 years	2 years
Debt instrument interest rate stated percentage	6.249%
Senior notes
Debt Instrument [Line Items]
Debt, combined amount drawn	$ 24,391
Senior notes \| 5.000% senior notes due 2027
Debt Instrument [Line Items]
Long-term debt, gross	600	$ 0
Borrowings	$ 600
Debt instrument interest rate stated percentage	5.00%	5.00%
Senior notes \| 5.200% senior notes due 2029
Debt Instrument [Line Items]
Long-term debt, gross	$ 1,200	$ 0
Borrowings	$ 1,200
Debt instrument interest rate stated percentage	5.20%	5.20%
Senior notes \| 5.375% senior notes due 2032
Debt Instrument [Line Items]
Long-term debt, gross	$ 1,000	$ 0
Borrowings	$ 1,000
Debt instrument interest rate stated percentage	5.375%	5.375%
Senior notes \| 5.550% senior notes due 2034
Debt Instrument [Line Items]
Long-term debt, gross	$ 1,200	$ 0
Borrowings	$ 1,200
Debt instrument interest rate stated percentage	5.55%	5.55%
Senior notes \| 6.050% senior notes due 2054
Debt Instrument [Line Items]
Long-term debt, gross	$ 1,000	$ 0
Borrowings	$ 1,000
Debt instrument interest rate stated percentage	6.05%	6.05%
Senior notes \| 5.625% senior notes due 2025
Debt Instrument [Line Items]
Debt assumptions related to CrownRock	$ 868
Repayments	$ (868)
Debt instrument interest rate stated percentage	5.625%	5.625%
Senior notes \| 5.000% senior notes due 2029
Debt Instrument [Line Items]
Debt assumptions related to CrownRock	$ 376
Repayments	$ (376)
Debt instrument interest rate stated percentage	5.00%	5.00%
Senior notes \| 6.950% senior notes due 2024
Debt Instrument [Line Items]
Long-term debt, gross	$ 0	$ 291
Repayments	$ (291)
Debt instrument interest rate stated percentage	6.95%	6.95%
Senior notes \| 3.450% senior notes due 2024
Debt Instrument [Line Items]
Long-term debt, gross	$ 0	$ 111
Repayments	$ (111)
Debt instrument interest rate stated percentage	3.45%	3.45%
Senior notes \| 2.900% senior notes due 2024
Debt Instrument [Line Items]
Long-term debt, gross	$ 0	$ 654
Repayments	$ (654)
Debt instrument interest rate stated percentage	2.90%	2.90%
Senior notes \| 5.875% senior notes due 2025
Debt Instrument [Line Items]
Long-term debt, gross	$ 536	$ 606
Repayments	$ (70)
Debt instrument interest rate stated percentage	5.875%	5.875%
Senior notes \| 3.500% senior notes due 2025
Debt Instrument [Line Items]
Long-term debt, gross	$ 0	$ 137
Repayments	$ (137)
Debt instrument interest rate stated percentage	3.50%	3.50%

Foreign Currency Revaluation, Debt

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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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