v2.4.0.6

Commitments And Contingencies (Schedule Of Commitments And Contingencies) (Details) (USD $) In Millions, unless otherwise specified | 12 Months Ended
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Dec. 31, 2011
Purchase Obligations [Member] |
Purchase Commitment, Excluding Long-term Commitment [Line Items] |
2012 | $ 900
2013 | 905
2014 | 905
2015 | 905
2016 | 924
Thereafter | 3,915
Total | 8,454
Drilling And Facility Obligations [Member] |
Purchase Commitment, Excluding Long-term Commitment [Line Items] |
2012 | 919
2013 | 456
2014 | 100
Total | 1,475
Firm Transportation Agreements [Member] |
Purchase Commitment, Excluding Long-term Commitment [Line Items] |
2012 | 306
2013 | 302
2014 | 283
2015 | 250
2016 | 209
Thereafter | 786
Total | 2,136
Office And Equipment Leases [Member] |
Purchase Commitment, Excluding Long-term Commitment [Line Items] |
2012 | 63
2013 | 56
2014 | 47
2015 | 44
2016 | 43
Thereafter | 220
Total | $ 473

X
- Definition Future Minimum Payments Relating To Commitments Due + References No definition available. + Details
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Namespace Prefix: | dvn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Future Minimum Payments Relating To Commitments Due In Five Years + References No definition available. + Details
Name: | dvn_FutureMinimumPaymentsRelatingToCommitmentsDueInFiveYears
Namespace Prefix: | dvn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Future Minimum Payments Relating To Commitments Due In Four Years + References No definition available. + Details
Name: | dvn_FutureMinimumPaymentsRelatingToCommitmentsDueInFourYears
Namespace Prefix: | dvn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Future Minimum Payments Relating To Commitments Due In One Year + References No definition available. + Details
Name: | dvn_FutureMinimumPaymentsRelatingToCommitmentsDueInOneYear
Namespace Prefix: | dvn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Future Minimum Payments Relating To Commitments Due In Thereafter + References No definition available. + Details
Name: | dvn_FutureMinimumPaymentsRelatingToCommitmentsDueInThereafter
Namespace Prefix: | dvn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Future Minimum Payments Relating To Commitments Due In Three Years + References No definition available. + Details
Name: | dvn_FutureMinimumPaymentsRelatingToCommitmentsDueInThreeYears
Namespace Prefix: | dvn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Future Minimum Payments Relating To Commitments Due In Two Years + References No definition available. + Details
Name: | dvn_FutureMinimumPaymentsRelatingToCommitmentsDueInTwoYears
Namespace Prefix: | dvn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Details
Name: | us-gaap_PurchaseCommitmentExcludingLongtermCommitmentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration