v2.4.0.6

Derivative Financial Instruments (Schedule Of Open Commodity Derivative Positions) (Details) | 12 Months Ended
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Dec. 31, 2011
Q1-Q4 2012 [Member] | Bbl [Member] | Open Oil Derivative Positions [Member] | Price Swaps [Member] |
Derivative [Line Items] |
Volume per day | 22,000
Weighted Average Price | 107.17
Q1-Q4 2012 [Member] | Bbl [Member] | Open Oil Derivative Positions [Member] | Price Collars [Member] |
Derivative [Line Items] |
Volume per day | 54,000
Weighted Average Floor Price | 85.74
Weighted Average Ceiling Price | 126.42
Q1-Q4 2012 [Member] | Bbl [Member] | Open Oil Derivative Positions [Member] | Call Options Sold [Member] |
Derivative [Line Items] |
Volume per day | 19,500
Weighted Average Price | 95.00
Q1-Q4 2012 [Member] | MMBtu [Member] | El Paso Natural Gas Co [Member] | NGL Basis Swap [Member] |
Derivative [Line Items] |
Volume per day | 85,000
Weighted Average Differential to Henry hub | (0.14)
Q1-Q4 2012 [Member] | MMBtu [Member] | Panhandle Eastern Pipeline [Member] | NGL Basis Swap [Member] |
Derivative [Line Items] |
Volume per day | 70,000
Weighted Average Differential to Henry hub | (0.15)
Q1-Q4 2012 [Member] | MMBtu [Member] | Colorado Interstate Gas Co [Member] | NGL Basis Swap [Member] |
Derivative [Line Items] |
Volume per day | 10,000
Weighted Average Differential to Henry hub | (0.18)
Q1-Q4 2012 [Member] | MMBtu [Member] | Open Natural Gas Derivative Positions [Member] | Price Swaps [Member] |
Derivative [Line Items] |
Volume per day | 325,000
Weighted Average Price | 5.09
Q1-Q4 2012 [Member] | MMBtu [Member] | Open Natural Gas Derivative Positions [Member] | Price Collars [Member] |
Derivative [Line Items] |
Volume per day | 490,000
Weighted Average Floor Price | 4.75
Weighted Average Ceiling Price | 5.57
Q1-Q4 2012 [Member] | MMBtu [Member] | Open Natural Gas Derivative Positions [Member] | Call Options Sold [Member] |
Derivative [Line Items] |
Volume per day | 487,500
Weighted Average Price | 6.00
Q1-Q4 2013 [Member] | Bbl [Member] | Open Oil Derivative Positions [Member] | Price Collars [Member] |
Derivative [Line Items] |
Volume per day | 7,000
Weighted Average Floor Price | 90.00
Weighted Average Ceiling Price | 125.12

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- Definition Weighted Average Differential To Henry Hub + References No definition available. + Details
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Namespace Prefix: | dvn_
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Balance Type: | na
Period Type: | duration

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- Definition Aggregate notional amount of derivative expressed in nonmonetary units. For example, the number of barrels specified in a fuel oil forward purchase contract. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 + Details
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- Definition The average cap rate on a group of price risk derivatives such as caps or collars. A payment or receipt is triggered if the market rate exceeds the cap rate on the contract. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

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- Definition The average floor rate on a group of price risk derivatives such as floors or collars. A payment or receipt is triggered if the market rate falls below the floor rate on the contract. + References No definition available. + Details
Name: | us-gaap_DerivativeAverageFloorPrice
Namespace Prefix: | us-gaap_
Data Type: | xbrli:decimalItemType
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Period Type: | instant

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

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- Definition Average fixed price related to the group of price risk swap derivatives. + References No definition available. + Details
Name: | us-gaap_DerivativeSwapTypeAverageFixedPrice
Namespace Prefix: | us-gaap_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant