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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-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
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-Section S99
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Namespace Prefix:	us-gaap_
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
-Paragraph 1B
-Subparagraph (b)
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Namespace Prefix:	us-gaap_
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.

+ Details

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Namespace Prefix:	us-gaap_
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

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
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+ Details

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Data Type:	xbrli:monetaryItemType
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

Name:	us-gaap_LettersOfCreditOutstandingAmount
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
-Topic 210
-SubTopic 10
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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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-SubTopic 10
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Namespace Prefix:	us-gaap_
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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Namespace Prefix:	us-gaap_
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

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
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+ Details

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

- Details

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Namespace Prefix:
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Balance Type:
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- Details

Name:	srt_StatementScenarioAxis=srt_ScenarioForecastMember
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Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_LineOfCreditMember
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Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
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Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_SeniorNotesMember
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Balance Type:
Period Type:

- Details

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- Details

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- Details

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- Details

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Debt And Related Expenses (Narrative) (Details) $ in Millions	12 Months Ended
	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Oct. 05, 2023 USD ($)
Debt Instrument [Line Items]
Repayments of Long-term Debt	$ 0	$ 1,243	$ 0
Early retirement of debt	0	(30)	$ 0
Charge on early retirement of debt, cash retirement costs	0	59
Credit Facility, Commitment Fee	5
Commercial paper	0
Commercial Paper [Member]
Debt Instrument [Line Items]
Credit Facility, borrowing capacity	3,000
Scenario Forecast [Member]
Debt Instrument [Line Items]
Credit Facility, borrowing capacity				$ 2,800
Senior Credit Facility [Member]
Debt Instrument [Line Items]
Credit Facility, borrowing capacity	3,000
Outstanding credit facility borrowings	0
Outstanding letters of credit	$ 2
Debt-to-capitalization ratio	0.23
Senior Credit Facility [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Debt-to-capitalization ratio	0.65
Senior Notes [Member]
Debt Instrument [Line Items]
Early retirement of debt		30
Charge on early retirement of debt, cash retirement costs		59
Charge on early retirement of debt, noncash charges		89
6.00% Due 2022 [Member] \| Senior Notes [Member]
Debt Instrument [Line Items]
Repayments of Long-term Debt		$ 43
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
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
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
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
Debt interest rate, stated percentage		5.75%