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Debt And Related Expenses (Schedule Of Debt Instruments and Balances) (Parenthetical) (Details) - USD ($) $ in Millions	1 Months Ended
	Apr. 30, 2003	Dec. 31, 2024	Dec. 31, 2022
Debt Instrument [Line Items]
Long-term debt, gross		$ 8,899
WPX
Debt Instrument [Line Items]
Long-term debt, gross			$ 27
Ocean Energy [Member]
Debt Instrument [Line Items]
Fair value of notes assumed	$ 169
Effective interest rate of notes	6.50%

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- Definition

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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