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ACQUISITIONS - Narrative (Details) - USD ($) shares in Millions |  | 1 Months Ended | 3 Months Ended
--- | --- | --- | ---
Dec. 31, 2023 | Dec. 31, 2023 | Mar. 31, 2024 | Mar. 31, 2023
Asset Acquisition, Disposition and Other Transactions [Line Items] |  |  |  |
Acquisition-related costs |  |  | $ 12,000,000 | $ 0
Crownrock L.P. |  |  |  |
Asset Acquisition, Disposition and Other Transactions [Line Items] |  |  |  |
Consideration upon approval |  | $ 12,000,000,000 |  |
Issuance of shares upon approval (in shares) |  | 29.6 |  |
Crownrock L.P. | Existing Debt |  |  |  |
Asset Acquisition, Disposition and Other Transactions [Line Items] |  |  |  |
Issuance of debt upon approval |  | $ 1,200,000,000 |  |
Crownrock L.P. | High end of range | New Debt |  |  |  |
Asset Acquisition, Disposition and Other Transactions [Line Items] |  |  |  |
Issuance of debt upon approval |  | 9,100,000,000 |  |
CrownRock Acquisition | Bridge Loan |  |  |  |
Asset Acquisition, Disposition and Other Transactions [Line Items] |  |  |  |
Line of credit facility, maximum borrowing capacity | $ 5,300,000,000 | 5,300,000,000 |  |
Debt, combined amount drawn |  |  | 0 |
Acquisition-related costs |  |  | $ 44,000,000 |
CrownRock Acquisition | 364-Day Term Loan | Secured Debt |  |  |  |
Asset Acquisition, Disposition and Other Transactions [Line Items] |  |  |  |
Debt issuance, face amount | $ 2,000,000,000 | 2,000,000,000 |  |
Maturity of notes | 364 days |  |  |
CrownRock Acquisition | Two Year Term Loan | Secured Debt |  |  |  |
Asset Acquisition, Disposition and Other Transactions [Line Items] |  |  |  |
Debt issuance, face amount | $ 2,700,000,000 | $ 2,700,000,000 |  |
Maturity of notes | 2 years |  |  |

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