XML 83 R108.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Supplemental Information on Natural Gas and Oil Exploration, Development and Production Activities (Unaudited) - Additional Information (Detail) (USD $) In Millions, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2013 Mcf | Dec. 31, 2012 Mcf | Dec. 31, 2011 Mcf
Reserve Quantities [Line Items] |  |  |
Percentage of proved resources reviewed by consultants | 96.00% |  |
Statement That Reserve Estimates Differ From Auditors | more than 10% |  |
Proved Reserve And Pretax Present Value of Reserve Discounted | 10.00% |  |
Variance in reserve estimates | less than 5%. |  |
Scheduled to be drilling period maximum for undeveloped reserves | Scheduled to be drilled within five years |  |
Proved reserves from drilling activities and evaluations of proved areas | 1,700,000,000 | 1,800,000,000 | 1,500,000,000
Reserve attributable to natural gas | 49.00% | 56.00% | 87.00%
Positive performance revisions for ethane reserves | 676,000,000 | 307,000,000 |
Revisions of previous estimates | 449,000,000 | 109,000,000 | 225,000,000
Cost spent on undeveloped reserves transferred to developed reserves | $ 504.1 |  |
Volume of Mmcfe of reserves that have been reported for five or more years included in proved undeveloped reserves, approximately | 9,300,000 |  |
Period for which the reserves have been reported to be included in proved undeveloped reserves | Five or more years. |  |
Maximum |  |  |
Reserve Quantities [Line Items] |  |  |
Percentage of proved undeveloped reserves | 1.00% |  |
Year 2014 |  |  |
Reserve Quantities [Line Items] |  |  |
Estimated future development costs | 755.0 |  |
Year 2015 |  |  |
Reserve Quantities [Line Items] |  |  |
Estimated future development costs | 1,300.0 |  |
Year 2016 |  |  |
Reserve Quantities [Line Items] |  |  |
Estimated future development costs | $ 1,000.0 |  |
Crude Oil |  |  |
Reserve Quantities [Line Items] |  |  |
Estimate reserve information average realized prices | 86.66 | 86.91 | 85.59
Proved reserves from drilling activities and evaluations of proved areas | 10,723 | 15,131 | 4,915
Revisions of previous estimates | 2,935 | 2,316 | 6,522
NGLs |  |  |
Reserve Quantities [Line Items] |  |  |
Estimate reserve information average realized prices | 25.93 | 32.23 | 49.24
Proved reserves from drilling activities and evaluations of proved areas | 135,810 | 113,392 | 26,591
Positive performance revisions for ethane reserves | 155,800 | 51,200 |
Revisions of previous estimates | 7,743 | 3,036 | 18,627
Natural Gas |  |  |
Reserve Quantities [Line Items] |  |  |
Estimate reserve information average realized prices | 3.75 | 2.75 | 3.55
Proved reserves from drilling activities and evaluations of proved areas | 853,746,000 | 996,059,000 | 1,304,324,000
Revisions of previous estimates | 384,825,000 | 76,925,000 | 73,643,000
Crude Oil and NGL |  |  |
Reserve Quantities [Line Items] |  |  |
Benchmark price used for calculating average realized prices | 97.33 | 95.05 | 95.61
Natural Gas, Per Thousand Cubic Feet |  |  |
Reserve Quantities [Line Items] |  |  |
Benchmark price used for calculating average realized prices | 3.67 | 2.76 | 4.12

X
- Definition Benchmark price used for calculating average realized prices. + References No definition available. + Details
Name: | rrc_BenchmarkPriceUsedForCalculatingAverageRealizedPrices
Namespace Prefix: | rrc_
Data Type: | us-types:perUnitItemType
Balance Type: | na
Period Type: | instant

X
- Definition Estimated future development costs. + References No definition available. + Details
Name: | rrc_EstimatedFutureDevelopmentCosts
Namespace Prefix: | rrc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Estimate reserve information average realized prices. + References No definition available. + Details
Name: | rrc_EstimateReserveInformationAverageRealizedPrices
Namespace Prefix: | rrc_
Data Type: | us-types:perUnitItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage of proved resources reviewed by consultants. + References No definition available. + Details
Name: | rrc_PercentageOfProvedResourcesReviewedByConsultants
Namespace Prefix: | rrc_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage of proved undeveloped reserves that have been reported for five or more years. + References No definition available. + Details
Name: | rrc_PercentageOfProvedUndevelopedReserves
Namespace Prefix: | rrc_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Period for which the reserves have been reported to be included in proved undeveloped reserves. + References No definition available. + Details
Name: | rrc_PeriodForWhichReservesHaveBeenReportedInProvedUndevelopedReserves
Namespace Prefix: | rrc_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Proved Developed and Undeveloped Reserves Ethane Additions + References No definition available. + Details
Name: | rrc_ProvedDevelopedAndUndevelopedReservesEthaneAdditions
Namespace Prefix: | rrc_
Data Type: | num:volumeItemType
Balance Type: | na
Period Type: | duration

X
- Definition Proved reserve and pre - tax present value of reserve discounted. + References No definition available. + Details
Name: | rrc_ProvedReserveAndPretaxPresentValueOfReserveDiscounted
Namespace Prefix: | rrc_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Proved undeveloped reserves transferred to developed dollar spent. + References No definition available. + Details
Name: | rrc_ProvedUndevelopedReservesTransferredToDevelopedDollarSpent
Namespace Prefix: | rrc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Reserves attributable to natural gas. + References No definition available. + Details
Name: | rrc_ReservesAttributableToNaturalGas
Namespace Prefix: | rrc_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Scheduled drilling period maximum for undeveloped reserves. + References No definition available. + Details
Name: | rrc_ScheduledDrillingPeriodMaximumForUndevelopedReserves
Namespace Prefix: | rrc_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Statement that reserve estimates differ from auditors. + References No definition available. + Details
Name: | rrc_StatementThatReserveEstimatesDifferFromAuditors
Namespace Prefix: | rrc_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Statement that reserve estimates differ from consultants. + References No definition available. + Details
Name: | rrc_StatementThatReserveEstimatesDifferFromConsultants
Namespace Prefix: | rrc_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Volume of Mmcfe of reserves that have been reported for five or more years included in proved undeveloped reserves, approximately. + References No definition available. + Details
Name: | rrc_VolumeOfMmcfeOfReservesThatHaveBeenReportedForFiveOrMoreYearsIncludedInProvedUndevelopedReservesApproximately
Namespace Prefix: | rrc_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | duration

X
- Definition Additions to proved reserves that result from (1) extension of the proved acreage of previously discovered (old) reservoirs through additional drilling in periods after discovery and (2) discovery of new fields with proved reserves or of new reservoirs of proved reserves in old fields. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 5 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=8451039&loc=d3e61831-109447 + Details
Name: | us-gaap_ProvedDevelopedAndUndevelopedReservesExtensionsDiscoveriesAndAdditions
Namespace Prefix: | us-gaap_
Data Type: | num:volumeItemType
Balance Type: | na
Period Type: | duration

X
- Definition Revisions represent changes in previous estimates of proved reserves, either upward or downward, resulting from new information (except for an increase in proved acreage) normally obtained from development drilling and production history or resulting from change in economic factors. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 5 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=8451039&loc=d3e61831-109447 + Details
Name: | us-gaap_ProvedDevelopedAndUndevelopedReservesRevisionsOfPreviousEstimatesIncreaseDecrease
Namespace Prefix: | us-gaap_
Data Type: | num:volumeItemType
Balance Type: | na
Period Type: | duration

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