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