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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, 2022
Debt Instrument [Line Items]
Long-term debt, gross		$ 6,363
WPX
Debt Instrument [Line Items]
Long-term debt, gross		$ 50
Ocean Energy [Member]
Debt Instrument [Line Items]
Fair value of notes assumed	$ 169
Effective interest rate of notes	6.50%

X

- 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.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
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- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

+ References

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

The fair value of notes assumed in noncash investing or financing activities.

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