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Other, Net (Schedule of Other Expenses (Income)) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Other Expenses [Abstract]
Estimated future obligation under a performance guarantee	$ 0	$ (44)	$ 0	$ (140)
Ukraine charitable pledge	0	0	0	20
Asset retirement obligation accretion	7	5	21	18
Other	6	(1)	7	11
Total	$ 13	$ (40)	$ 28	$ (91)

X

- Definition

Charitable contribution.

+ References

No definition available.

+ Details

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Namespace Prefix:	dvn_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Estimated future obligation under performance guarantee.

+ References

No definition available.

+ Details

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

X

- Definition

Operating and nonoperating income (expense), classified as other.

+ References

No definition available.

+ Details

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Namespace Prefix:	dvn_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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X

- Definition

Amount of accretion expense recognized during the period that is associated with an asset retirement obligation. Accretion expense measures and incorporates changes due to the passage of time into the carrying amount of the liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 410
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481879/410-20-45-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 410
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)(3)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481850/410-20-50-1

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X

- References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

X

- Definition

The net amount of other operating income and expenses, the components of which are not separately disclosed on the income statement, from items that are associated with the entity's normal revenue producing operations.

+ References

No definition available.

+ Details

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