Noncash gain (loss) on extinguishment of debt.

No definition available.

Name:	dvn_NoncashGainLossOnExtinguishmentOfDebt
Namespace Prefix:	dvn_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Carrying value as of the balance sheet date of short-term borrowings using unsecured obligations issued by banks, corporations and other borrowers to investors. The maturities of these money market securities generally do not exceed 270 days.

+ References

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
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Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

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.

+ References

No definition available.

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

+ References

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Balance Type:	credit
Period Type:	duration

- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of the fee for available but unused credit capacity under the credit facility.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of cash outflow for cost from early extinguishment and prepayment of debt. Includes, but is not limited to, third-party cost, premium paid, and other fee paid to lender directly for debt extinguishment or debt prepayment. Excludes accrued interest.

+ References

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Indebtedness divided by net capital.

+ References

No definition available.

+ Details

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Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	instant

- Definition

The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
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Balance Type:	credit
Period Type:	duration

- Details

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Balance Type:
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- Details

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Balance Type:
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- Details

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Balance Type:
Period Type:

- Details

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- Details

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Debt And Related Expenses (Narrative) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2019	Oct. 05, 2023
Debt Instrument [Line Items]
Repayments of Long-term Debt	$ 1,243,000,000	$ 162,000,000
Early retirement of debt	30,000,000
Charge on early retirement of debt, cash retirement costs	59,000,000
Credit Facility, Commitment Fee	6,000,000
Commercial paper	0
Commercial Paper [Member]
Debt Instrument [Line Items]
Credit Facility, borrowing capacity	3,000,000,000.0
Scenario Forecast [Member]
Debt Instrument [Line Items]
Credit Facility, borrowing capacity			$ 2,800,000,000
Senior Credit Facility [Member]
Debt Instrument [Line Items]
Credit Facility, borrowing capacity	3,000,000,000.0
Outstanding credit facility borrowings	0
Outstanding letters of credit	$ 2,000,000
Debt-to-capitalization ratio	0.65
Senior Credit Facility [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Debt-to-capitalization ratio	0.25
Senior Notes [Member]
Debt Instrument [Line Items]
Early retirement of debt	$ 30,000,000
Charge on early retirement of debt, cash retirement costs	89,000,000
Charge on early retirement of debt, noncash charges	59,000,000
6.00% Due 2022 [Member] \| Senior Notes [Member]
Debt Instrument [Line Items]
Repayments of Long-term Debt	$ 43,000,000
Debt interest rate, stated percentage	6.00%
5.875% Due 2028 [Member] \| Senior Notes [Member]
Debt Instrument [Line Items]
Repayments of Long-term Debt	$ 175,000,000
Debt interest rate, stated percentage	5.875%
4.5% Due 2030 [Member] \| Senior Notes [Member]
Debt Instrument [Line Items]
Repayments of Long-term Debt	$ 315,000,000
Debt interest rate, stated percentage	4.50%
5.25% Due 2027 [Member] \| Senior Notes [Member]
Debt Instrument [Line Items]
Repayments of Long-term Debt	$ 210,000,000
Debt interest rate, stated percentage	5.25%
5.75% due June 1, 2026 [Member] \| Senior Notes [Member]
Debt Instrument [Line Items]
Repayments of Long-term Debt	$ 500,000,000
Debt interest rate, stated percentage	5.75%