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Derivative Financial Instruments (Tables) | 12 Months Ended
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Dec. 31, 2014
Derivative [Line Items] |
Schedule of Derivative Financial Instruments Included In the Consolidating Comprehensive Statements of Earnings |
|  | Comprehensive Statements of |  | Year Ended December 31,
|  | Earnings Caption |  | 2014 |  | 2013 |  | 2012
|  |  |  | (In millions)
Oil, gas and NGL commodity derivatives |  | Oil, gas and NGL derivatives |  | $ | 1,989 |  | $ | (191) |  | $ | 693
Midstream commodity derivatives |  | Marketing and midstream revenues |  |  | 22 |  |  | - |  |  | -
Interest rate derivatives |  | Other nonoperating items |  |  | (1) |  |  | - |  |  | (15)
Foreign currency derivatives |  | Other nonoperating items |  |  | 60 |  |  | 56 |  |  | (18)
Net gains (losses) recognized in comprehensive statements of earnings |  | $ | 2,070 |  | $ | (135) |  | $ | 660
Schedule of Derivative Financial Instruments Included in Consolidating Balance Sheets |
|  |  |  | December 31,
|  | Balance Sheet Caption |  | 2014 |  | 2013
|  |  |  | (In millions)
Asset derivatives: |  |  |  |  |  |  |  |
Oil, gas and NGL commodity derivatives |  | Derivatives, at fair value |  | $ | 1,967 |  | $ | 75
Oil, gas and NGL commodity derivatives |  | Other long-term assets |  |  | 1 |  |  | 28
Midstream commodity derivatives |  | Derivatives, at fair value |  |  | 17 |  |  | -
Midstream commodity derivatives |  | Other long-term assets |  |  | 10 |  |  | -
Interest rate derivatives |  | Derivatives, at fair value |  |  | 1 |  |  | -
Foreign currency derivatives |  | Derivatives, at fair value |  |  | 8 |  |  | -
Total asset derivatives |  |  |  | $ | 2,004 |  | $ | 103
Liability derivatives: |  |  |  |  |  |  |  |
Oil, gas and NGL commodity derivatives |  | Other current liabilities |  | $ | 25 |  | $ | 58
Oil, gas and NGL commodity derivatives |  | Other long-term liabilities |  |  | 26 |  |  | 62
Midstream commodity derivatives |  | Other current liabilities |  |  | 3 |  |  | -
Midstream commodity derivatives |  | Other long-term liabilities |  |  | 2 |  |  | -
Interest rate derivatives |  | Other current liabilities |  |  | 1 |  |  | -
Foreign currency derivatives |  | Other current liabilities |  |  | - |  |  | 1
Total liability derivatives |  |  |  | $ | 57 |  | $ | 121
Open Oil Derivative Positions [Member] |
Derivative [Line Items] |
Schedule Of Open Derivative Positions |
|  | Price Swaps |  | Price Collars |  | Call Options Sold
Period |  | Volume (Bbls/d) |  | Weighted Average Price ($/Bbl) |  | Volume (Bbls/d) |  | Weighted Average Floor Price ($/Bbl) |  | Weighted Average Ceiling Price ($/Bbl) |  | Volume (Bbls/d) |  | Weighted Average Price ($/Bbl)
Q1-Q4 2015 |  | 107,203 |  | $ | 91.07 |  | 31,500 |  | $ | 89.67 |  | $ | 97.84 |  | 28,000 |  | $ | 116.43
Q1-Q4 2016 |  | - |  | $ | - |  | - |  | $ | - |  | $ | - |  | 18,500 |  | $ | 103.11
|  | Oil Basis Swaps
Period |  | Index |  | Volume (Bbls/d) |  | Weighted Average Differential to WTI ($/Bbl)
Q1-Q4 2015 |  | Western Canadian Select |  | 22,514 |  | $ | (18.35)
Q1-Q4 2015 |  | West Texas Sour |  | 8,000 |  | $ | (3.68)
Q1-Q4 2015 |  | Midland Sweet |  | 14,247 |  | $ | (2.92)
Open Natural Gas Derivative Positions [Member] |
Derivative [Line Items] |
Schedule Of Open Derivative Positions |
|  | Price Swaps |  | Price Collars |  | Call Options Sold
Period |  | Volume (MMBtu/d) |  | Weighted Average Price ($/MMBtu) |  | Volume (MMBtu/d) |  | Weighted Average Floor Price ($/MMBtu) |  | Weighted Average Ceiling Price ($/MMBtu) |  | Volume (MMBtu/d) |  | Weighted Average Price ($/MMBtu)
Q1-Q4 2015 |  | 250,000 |  | $ | 4.32 |  | 328,452 |  | $ | 4.05 |  | $ | 4.36 |  | 550,000 |  | $ | 5.09
Q1-Q4 2016 |  | - |  | $ | - |  | - |  | $ | - |  | $ | - |  | 400,000 |  | $ | 5.00
|  | Natural Gas Basis Swaps
Period |  | Index |  | Volume (MMBtu/d) |  | Weighted Average Differential to Henry Hub ($/MMBtu)
Q1-Q4 2015 |  | Panhandle Eastern Pipe Line |  | 100,000 |  | $ | (0.28)
Q1-Q4 2015 |  | El Paso Natural Gas |  | 70,000 |  | $ | (0.11)
Q1-Q4 2015 |  | Houston Ship Channel |  | 200,000 |  | $ | 0.01
Q1-Q4 2016 |  | Panhandle Eastern Pipe Line |  | 30,000 |  | $ | (0.33)
Q1-Q4 2016 |  | El Paso Natural Gas |  | 15,000 |  | $ | (0.13)
Q1-Q4 2016 |  | Houston Ship Channel |  | 30,000 |  | $ | 0.11
Gas Processing and Fractionation Open Position [Member] |
Derivative [Line Items] |
Schedule Of Open Derivative Positions |
Period |  | Product |  | Volume |  |  | Weighted Average Price Paid |  |  | Weighted Average Price Received
Q1 2015-Q4 2016 |  | Ethane |  | 1,168 | MBbls |  |  | Index |  | $ | 0.29/gal
Q1 2015-Q4 2016 |  | Propane |  | 1,171 | MBbls |  |  | Index |  | $ | 1.01/gal
Q1-Q4 2015 |  | Normal Butane |  | 53 | MBbls |  |  | Index |  | $ | 1.14/gal
Q1-Q4 2015 |  | Natural Gasoline |  | 44 | MBbls |  |  | Index |  | $ | 1.81/gal
Q1-Q4 2015 |  | Natural Gas |  | 1,225 | MMBtu/d |  | $ | 4.08/MMBtu |  |  | Index
Interest Rate Derivatives [Member] |
Derivative [Line Items] |
Schedule Of Open Derivative Positions |
Notional |  | Rate Received |  | Rate Paid |  | Expiration
(In millions) |  |  |  |  |  |
$ | 100 |  | Three Month LIBOR |  | 0.92% |  | December 2016
$ | 100 |  | 1.76% |  | Three Month LIBOR |  | January 2019
Foreign Currency Derivatives [Member] |
Derivative [Line Items] |
Schedule Of Open Derivative Positions |
Forward Contract
Currency |  | Contract Type |  | CAD Notional |  | Weighted Average Fixed Rate Received |  | Expiration
|  |  |  | (In millions) |  | (CAD-USD) |  |
Canadian Dollar |  | Sell |  | $ | 1,884 |  | 0.864 |  | March 2015

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- Definition Tabular disclosure of the location and amount of derivative instruments and nonderivative instruments designated as hedging instruments reported before netting adjustments, and the amount of gain (loss) on derivative instruments and nonderivative instruments designated and qualified as hedging instruments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=35706170&loc=SL5618551-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -URI http://asc.fasb.org/extlink&oid=35706170&loc=SL5624171-113959 + Details
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- Definition Tabular disclosure of pertinent information about a derivative or group of derivatives on a disaggregated basis, such as for individual instruments, or small groups of similar instruments. May include a combination of the type of instrument, risks being hedged, notional amount, hedge designation, related hedged item, inception date, maturity date, or other relevant item. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=35706170&loc=d3e41678-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 25 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6886632&loc=d3e76258-113986 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=35706170&loc=d3e41620-113959 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=35706170&loc=SL5579245-113959 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=35706170&loc=SL5580258-113959 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35706170&loc=SL5579240-113959 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=35706170&loc=d3e41641-113959 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=35706170&loc=d3e41638-113959 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -URI http://asc.fasb.org/extlink&oid=35706170&loc=SL5624171-113959 Reference 10: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -URI http://asc.fasb.org/extlink&oid=35706170&loc=SL5624163-113959 Reference 11: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(n)(2)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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