v2.4.0.8

Natural Gas and Oil Property Divestitures - VPP Volumes Produced During Period Table (Details) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2014 Mcfe | Jun. 30, 2013 Mcfe | Jun. 30, 2014 Mcfe | Jun. 30, 2013 Mcfe
Acquisitions, Divestitures, Joint Ventures, VPP's [Line Items] |  |  |  |
Proved Reserves (Energy) (Duration) | 37,200,000,000 | 43,100,000,000 | 76,600,000,000 | 88,100,000,000
Natural Gas [Member] |  |  |  |
Acquisitions, Divestitures, Joint Ventures, VPP's [Line Items] |  |  |  |
Proved Developed and Undeveloped Reserves (Volume) | 33,700,000,000 | 38,900,000,000 | 69,200,000,000 | 79,300,000,000
Oil [Member] |  |  |  |
Acquisitions, Divestitures, Joint Ventures, VPP's [Line Items] |  |  |  |
Proved Developed and Undeveloped Reserves (Volume) | 174,700 | 221,200 | 357,400 | 457,600
NGL Reserves [Member] |  |  |  |
Acquisitions, Divestitures, Joint Ventures, VPP's [Line Items] |  |  |  |
Proved Developed and Undeveloped Reserves (Volume) | 433,800 | 494,400 | 885,500 | 1,020,900
VPP 10 Anadarko Basin Granite Wash [Member] |  |  |  |
Acquisitions, Divestitures, Joint Ventures, VPP's [Line Items] |  |  |  |
Proved Reserves (Energy) (Duration) | 5,300,000,000 | 6,500,000,000 | 10,800,000,000 | 13,500,000,000
VPP 10 Anadarko Basin Granite Wash [Member] | Natural Gas [Member] |  |  |  |
Acquisitions, Divestitures, Joint Ventures, VPP's [Line Items] |  |  |  |
Proved Developed and Undeveloped Reserves (Volume) | 2,700,000,000 | 3,400,000,000 | 5,500,000,000 | 7,000,000,000
VPP 10 Anadarko Basin Granite Wash [Member] | Oil [Member] |  |  |  |
Acquisitions, Divestitures, Joint Ventures, VPP's [Line Items] |  |  |  |
Proved Developed and Undeveloped Reserves (Volume) | 103,000 | 141,000 | 212,000 | 295,000
VPP 10 Anadarko Basin Granite Wash [Member] | NGL Reserves [Member] |  |  |  |
Acquisitions, Divestitures, Joint Ventures, VPP's [Line Items] |  |  |  |
Proved Developed and Undeveloped Reserves (Volume) | 329,900 | 379,000 | 675,100 | 786,700
VPP 9 Mid-Continent [Member] |  |  |  |
Acquisitions, Divestitures, Joint Ventures, VPP's [Line Items] |  |  |  |
Proved Reserves (Energy) (Duration) | 4,800,000,000 | 5,300,000,000 | 9,700,000,000 | 10,800,000,000
VPP 9 Mid-Continent [Member] | Natural Gas [Member] |  |  |  |
Acquisitions, Divestitures, Joint Ventures, VPP's [Line Items] |  |  |  |
Proved Developed and Undeveloped Reserves (Volume) | 3,900,000,000 | 4,300,000,000 | 7,900,000,000 | 8,700,000,000
VPP 9 Mid-Continent [Member] | Oil [Member] |  |  |  |
Acquisitions, Divestitures, Joint Ventures, VPP's [Line Items] |  |  |  |
Proved Developed and Undeveloped Reserves (Volume) | 47,500 | 54,200 | 96,500 | 110,400
VPP 9 Mid-Continent [Member] | NGL Reserves [Member] |  |  |  |
Acquisitions, Divestitures, Joint Ventures, VPP's [Line Items] |  |  |  |
Proved Developed and Undeveloped Reserves (Volume) | 103,900 | 115,400 | 210,400 | 234,200
VPP 8 Barnett Shale [Member] |  |  |  |
Acquisitions, Divestitures, Joint Ventures, VPP's [Line Items] |  |  |  |
Proved Reserves (Energy) (Duration) | 15,200,000,000 | 17,300,000,000 | 30,900,000,000 | 35,300,000,000
VPP 8 Barnett Shale [Member] | Natural Gas [Member] |  |  |  |
Acquisitions, Divestitures, Joint Ventures, VPP's [Line Items] |  |  |  |
Proved Developed and Undeveloped Reserves (Volume) | 15,200,000,000 | 17,300,000,000 | 30,900,000,000 | 35,300,000,000
VPP 8 Barnett Shale [Member] | Oil [Member] |  |  |  |
Acquisitions, Divestitures, Joint Ventures, VPP's [Line Items] |  |  |  |
Proved Developed and Undeveloped Reserves (Volume) | 0 | 0 | 0 | 0
VPP 8 Barnett Shale [Member] | NGL Reserves [Member] |  |  |  |
Acquisitions, Divestitures, Joint Ventures, VPP's [Line Items] |  |  |  |
Proved Developed and Undeveloped Reserves (Volume) | 0 | 0 | 0 | 0
VPP 6 East Texas and Texas Gulf Coast [Member] |  |  |  |
Acquisitions, Divestitures, Joint Ventures, VPP's [Line Items] |  |  |  |
Proved Reserves (Energy) (Duration) | 1,100,000,000 | 1,200,000,000 | 2,300,000,000 | 2,400,000,000
VPP 6 East Texas and Texas Gulf Coast [Member] | Natural Gas [Member] |  |  |  |
Acquisitions, Divestitures, Joint Ventures, VPP's [Line Items] |  |  |  |
Proved Developed and Undeveloped Reserves (Volume) | 1,100,000,000 | 1,200,000,000 | 2,200,000,000 | 2,400,000,000
VPP 6 East Texas and Texas Gulf Coast [Member] | Oil [Member] |  |  |  |
Acquisitions, Divestitures, Joint Ventures, VPP's [Line Items] |  |  |  |
Proved Developed and Undeveloped Reserves (Volume) | 6,000 | 6,000 | 12,000 | 12,000
VPP 6 East Texas and Texas Gulf Coast [Member] | NGL Reserves [Member] |  |  |  |
Acquisitions, Divestitures, Joint Ventures, VPP's [Line Items] |  |  |  |
Proved Developed and Undeveloped Reserves (Volume) | 0 | 0 | 0 | 0
VPP 5 South Texas [Member] |  |  |  |
Acquisitions, Divestitures, Joint Ventures, VPP's [Line Items] |  |  |  |
Proved Reserves (Energy) (Duration) | 1,700,000,000 | 1,900,000,000 | 3,500,000,000 | 3,900,000,000
VPP 5 South Texas [Member] | Natural Gas [Member] |  |  |  |
Acquisitions, Divestitures, Joint Ventures, VPP's [Line Items] |  |  |  |
Proved Developed and Undeveloped Reserves (Volume) | 1,700,000,000 | 1,900,000,000 | 3,400,000,000 | 3,900,000,000
VPP 5 South Texas [Member] | Oil [Member] |  |  |  |
Acquisitions, Divestitures, Joint Ventures, VPP's [Line Items] |  |  |  |
Proved Developed and Undeveloped Reserves (Volume) | 6,000 | 6,200 | 12,300 | 12,200
VPP 5 South Texas [Member] | NGL Reserves [Member] |  |  |  |
Acquisitions, Divestitures, Joint Ventures, VPP's [Line Items] |  |  |  |
Proved Developed and Undeveloped Reserves (Volume) | 0 | 0 | 0 | 0
VPP 4 Anadarko and Arkoma Basins [Member] |  |  |  |
Acquisitions, Divestitures, Joint Ventures, VPP's [Line Items] |  |  |  |
Proved Reserves (Energy) (Duration) | 2,300,000,000 | 2,700,000,000 | 4,700,000,000 | 5,400,000,000
VPP 4 Anadarko and Arkoma Basins [Member] | Natural Gas [Member] |  |  |  |
Acquisitions, Divestitures, Joint Ventures, VPP's [Line Items] |  |  |  |
Proved Developed and Undeveloped Reserves (Volume) | 2,300,000,000 | 2,600,000,000 | 4,600,000,000 | 5,200,000,000
VPP 4 Anadarko and Arkoma Basins [Member] | Oil [Member] |  |  |  |
Acquisitions, Divestitures, Joint Ventures, VPP's [Line Items] |  |  |  |
Proved Developed and Undeveloped Reserves (Volume) | 12,200 | 13,800 | 24,600 | 28,000
VPP 4 Anadarko and Arkoma Basins [Member] | NGL Reserves [Member] |  |  |  |
Acquisitions, Divestitures, Joint Ventures, VPP's [Line Items] |  |  |  |
Proved Developed and Undeveloped Reserves (Volume) | 0 | 0 | 0 | 0
VPP 3 Anadarko Basin [Member] |  |  |  |
Acquisitions, Divestitures, Joint Ventures, VPP's [Line Items] |  |  |  |
Proved Reserves (Energy) (Duration) | 1,800,000,000 | 2,000,000,000 | 3,700,000,000 | 4,100,000,000
VPP 3 Anadarko Basin [Member] | Natural Gas [Member] |  |  |  |
Acquisitions, Divestitures, Joint Ventures, VPP's [Line Items] |  |  |  |
Proved Developed and Undeveloped Reserves (Volume) | 1,800,000,000 | 2,000,000,000 | 3,700,000,000 | 4,100,000,000
VPP 3 Anadarko Basin [Member] | Oil [Member] |  |  |  |
Acquisitions, Divestitures, Joint Ventures, VPP's [Line Items] |  |  |  |
Proved Developed and Undeveloped Reserves (Volume) | 0 | 0 | 0 | 0
VPP 3 Anadarko Basin [Member] | NGL Reserves [Member] |  |  |  |
Acquisitions, Divestitures, Joint Ventures, VPP's [Line Items] |  |  |  |
Proved Developed and Undeveloped Reserves (Volume) | 0 | 0 | 0 | 0
VPP 2 Texas, Oklahoma and Kansas [Member] |  |  |  |
Acquisitions, Divestitures, Joint Ventures, VPP's [Line Items] |  |  |  |
Proved Reserves (Energy) (Duration) | 1,600,000,000 | 2,600,000,000 | 4,000,000,000 | 5,300,000,000
VPP 2 Texas, Oklahoma and Kansas [Member] | Natural Gas [Member] |  |  |  |
Acquisitions, Divestitures, Joint Ventures, VPP's [Line Items] |  |  |  |
Proved Developed and Undeveloped Reserves (Volume) | 1,600,000,000 | 2,600,000,000 | 4,000,000,000 | 5,300,000,000
VPP 2 Texas, Oklahoma and Kansas [Member] | Oil [Member] |  |  |  |
Acquisitions, Divestitures, Joint Ventures, VPP's [Line Items] |  |  |  |
Proved Developed and Undeveloped Reserves (Volume) | 0 | 0 | 0 | 0
VPP 2 Texas, Oklahoma and Kansas [Member] | NGL Reserves [Member] |  |  |  |
Acquisitions, Divestitures, Joint Ventures, VPP's [Line Items] |  |  |  |
Proved Developed and Undeveloped Reserves (Volume) | 0 | 0 | 0 | 0
VPP 1 Kentucky and West Virginia [Member] |  |  |  |
Acquisitions, Divestitures, Joint Ventures, VPP's [Line Items] |  |  |  |
Proved Reserves (Energy) (Duration) | 3,400,000,000 | 3,600,000,000 | 7,000,000,000 | 7,400,000,000
VPP 1 Kentucky and West Virginia [Member] | Natural Gas [Member] |  |  |  |
Acquisitions, Divestitures, Joint Ventures, VPP's [Line Items] |  |  |  |
Proved Developed and Undeveloped Reserves (Volume) | 3,400,000,000 | 3,600,000,000 | 7,000,000,000 | 7,400,000,000
VPP 1 Kentucky and West Virginia [Member] | Oil [Member] |  |  |  |
Acquisitions, Divestitures, Joint Ventures, VPP's [Line Items] |  |  |  |
Proved Developed and Undeveloped Reserves (Volume) | 0 | 0 | 0 | 0
VPP 1 Kentucky and West Virginia [Member] | NGL Reserves [Member] |  |  |  |
Acquisitions, Divestitures, Joint Ventures, VPP's [Line Items] |  |  |  |
Proved Developed and Undeveloped Reserves (Volume) | 0 | 0 | 0 | 0

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