XML 114 R119.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Supplemental Information On Oil And Gas Operations (Capitalized Costs) (Details) (USD $) In Millions, unless otherwise specified | Dec. 31, 2014 | Dec. 31, 2013
--- | --- | ---
Capitalized Costs Relating to Oil and Gas Producing Activities, by Geographic Area [Line Items] |  |
Proved properties | $ 75,738 us-gaap_CapitalizedCostsProvedProperties | $ 73,995 us-gaap_CapitalizedCostsProvedProperties
Unproved properties | 2,752 us-gaap_CapitalizedCostsUnprovedProperties | 2,791 us-gaap_CapitalizedCostsUnprovedProperties
Total oil and gas properties | 78,490 us-gaap_CapitalizedCostsOilAndGasProducingActivitiesGross | 76,786 us-gaap_CapitalizedCostsOilAndGasProducingActivitiesGross
Accumulated DD and A | (49,560)us-gaap_CapitalizedCostsAccumulatedDepreciationDepletionAmortizationAndValuationAllowanceForRelatingToOilAndGasProducingActivities | (52,461)us-gaap_CapitalizedCostsAccumulatedDepreciationDepletionAmortizationAndValuationAllowanceForRelatingToOilAndGasProducingActivities
Net capitalized costs | 28,930 us-gaap_CapitalizedCostsOilAndGasProducingActivitiesNet | 24,325 us-gaap_CapitalizedCostsOilAndGasProducingActivitiesNet
United States [Member] |  |
Capitalized Costs Relating to Oil and Gas Producing Activities, by Geographic Area [Line Items] |  |
Proved properties | 59,849 us-gaap_CapitalizedCostsProvedProperties / us-gaap_StatementGeographicalAxis = country_US | 51,366 us-gaap_CapitalizedCostsProvedProperties / us-gaap_StatementGeographicalAxis = country_US
Unproved properties | 1,460 us-gaap_CapitalizedCostsUnprovedProperties / us-gaap_StatementGeographicalAxis = country_US | 1,277 us-gaap_CapitalizedCostsUnprovedProperties / us-gaap_StatementGeographicalAxis = country_US
Total oil and gas properties | 61,309 us-gaap_CapitalizedCostsOilAndGasProducingActivitiesGross / us-gaap_StatementGeographicalAxis = country_US | 52,643 us-gaap_CapitalizedCostsOilAndGasProducingActivitiesGross / us-gaap_StatementGeographicalAxis = country_US
Accumulated DD and A | (38,213)us-gaap_CapitalizedCostsAccumulatedDepreciationDepletionAmortizationAndValuationAllowanceForRelatingToOilAndGasProducingActivities / us-gaap_StatementGeographicalAxis = country_US | (35,848)us-gaap_CapitalizedCostsAccumulatedDepreciationDepletionAmortizationAndValuationAllowanceForRelatingToOilAndGasProducingActivities / us-gaap_StatementGeographicalAxis = country_US
Net capitalized costs | 23,096 us-gaap_CapitalizedCostsOilAndGasProducingActivitiesNet / us-gaap_StatementGeographicalAxis = country_US | 16,795 us-gaap_CapitalizedCostsOilAndGasProducingActivitiesNet / us-gaap_StatementGeographicalAxis = country_US
Canada [Member] |  |
Capitalized Costs Relating to Oil and Gas Producing Activities, by Geographic Area [Line Items] |  |
Proved properties | 15,889 us-gaap_CapitalizedCostsProvedProperties / us-gaap_StatementGeographicalAxis = country_CA | 22,629 us-gaap_CapitalizedCostsProvedProperties / us-gaap_StatementGeographicalAxis = country_CA
Unproved properties | 1,292 us-gaap_CapitalizedCostsUnprovedProperties / us-gaap_StatementGeographicalAxis = country_CA | 1,514 us-gaap_CapitalizedCostsUnprovedProperties / us-gaap_StatementGeographicalAxis = country_CA
Total oil and gas properties | 17,181 us-gaap_CapitalizedCostsOilAndGasProducingActivitiesGross / us-gaap_StatementGeographicalAxis = country_CA | 24,143 us-gaap_CapitalizedCostsOilAndGasProducingActivitiesGross / us-gaap_StatementGeographicalAxis = country_CA
Accumulated DD and A | (11,347)us-gaap_CapitalizedCostsAccumulatedDepreciationDepletionAmortizationAndValuationAllowanceForRelatingToOilAndGasProducingActivities / us-gaap_StatementGeographicalAxis = country_CA | (16,613)us-gaap_CapitalizedCostsAccumulatedDepreciationDepletionAmortizationAndValuationAllowanceForRelatingToOilAndGasProducingActivities / us-gaap_StatementGeographicalAxis = country_CA
Net capitalized costs | $ 5,834 us-gaap_CapitalizedCostsOilAndGasProducingActivitiesNet / us-gaap_StatementGeographicalAxis = country_CA | $ 7,530 us-gaap_CapitalizedCostsOilAndGasProducingActivitiesNet / us-gaap_StatementGeographicalAxis = country_CA

X
- Definition Amount of accumulated depreciation, depletion, amortization and valuation allowance relating to oil and gas producing activities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=8451039&loc=d3e61901-109447 + Details
Name: | us-gaap_CapitalizedCostsAccumulatedDepreciationDepletionAmortizationAndValuationAllowanceForRelatingToOilAndGasProducingActivities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The sum of capitalized costs relating to oil and gas producing activities before accounting for accumulated depreciation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=8451039&loc=d3e61901-109447 + Details
Name: | us-gaap_CapitalizedCostsOilAndGasProducingActivitiesGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Net amount of capitalized costs relating to oil and gas producing activities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=8451039&loc=d3e61901-109447 + Details
Name: | us-gaap_CapitalizedCostsOilAndGasProducingActivitiesNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Capitalized costs of proved properties incurred for any combination mineral interests acquisitions; wells and related equipment; support equipment and facilities; and uncompleted wells and equipment and other costs not previously disclosed within this table. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=8451039&loc=d3e61901-109447 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 360 -Glossary Proved Properties -URI http://asc.fasb.org/extlink&oid=6522428 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Properties -URI http://asc.fasb.org/extlink&oid=21914647 + Details
Name: | us-gaap_CapitalizedCostsProvedProperties
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

X
- Definition Capitalized costs of unproved properties incurred for any combination mineral interests acquisitions and other costs not previously disclosed within this table. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=8451039&loc=d3e61901-109447 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Properties -URI http://asc.fasb.org/extlink&oid=21914647 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -Glossary Unproved Properties -URI http://asc.fasb.org/extlink&oid=6527831 + Details
Name: | us-gaap_CapitalizedCostsUnprovedProperties
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_StatementGeographicalAxis=country_CA
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementGeographicalAxis=country_US
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |