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Commitments and Contingencies - Future Delivery Commitments (Detail)
 12 Months Ended
Dec. 31, 2014
2015 | Natural Gas  
Commitments And Contingencies Disclosure [Line Items]  
Oil and Gas Delivery Commitments and Contracts, Daily Production 313,180us-gaap_OilAndGasDeliveryCommitmentsAndContractsDailyProduction
/ us-gaap_OtherCommitmentsAxis
= rrc_DueTwentyFifteenMember
/ us-gaap_ReserveQuantitiesByTypeOfReserveAxis
= us-gaap_NaturalGasReservesMember
2015 | Ethane  
Commitments And Contingencies Disclosure [Line Items]  
Oil and Gas Delivery Commitments and Contracts, Daily Production 15,000us-gaap_OilAndGasDeliveryCommitmentsAndContractsDailyProduction
/ us-gaap_OtherCommitmentsAxis
= rrc_DueTwentyFifteenMember
/ us-gaap_ReserveQuantitiesByTypeOfReserveAxis
= rrc_EthaneMember
2016 | Natural Gas  
Commitments And Contingencies Disclosure [Line Items]  
Oil and Gas Delivery Commitments and Contracts, Daily Production 268,055us-gaap_OilAndGasDeliveryCommitmentsAndContractsDailyProduction
/ us-gaap_OtherCommitmentsAxis
= rrc_DueTwentySixteenMember
/ us-gaap_ReserveQuantitiesByTypeOfReserveAxis
= us-gaap_NaturalGasReservesMember
2016 | Ethane  
Commitments And Contingencies Disclosure [Line Items]  
Oil and Gas Delivery Commitments and Contracts, Daily Production 15,000us-gaap_OilAndGasDeliveryCommitmentsAndContractsDailyProduction
/ us-gaap_OtherCommitmentsAxis
= rrc_DueTwentySixteenMember
/ us-gaap_ReserveQuantitiesByTypeOfReserveAxis
= rrc_EthaneMember
2017 | Natural Gas  
Commitments And Contingencies Disclosure [Line Items]  
Oil and Gas Delivery Commitments and Contracts, Daily Production 139,840us-gaap_OilAndGasDeliveryCommitmentsAndContractsDailyProduction
/ us-gaap_OtherCommitmentsAxis
= rrc_DueTwentySeventeenMember
/ us-gaap_ReserveQuantitiesByTypeOfReserveAxis
= us-gaap_NaturalGasReservesMember
2017 | Ethane  
Commitments And Contingencies Disclosure [Line Items]  
Oil and Gas Delivery Commitments and Contracts, Daily Production 15,000us-gaap_OilAndGasDeliveryCommitmentsAndContractsDailyProduction
/ us-gaap_OtherCommitmentsAxis
= rrc_DueTwentySeventeenMember
/ us-gaap_ReserveQuantitiesByTypeOfReserveAxis
= rrc_EthaneMember
2018 | Natural Gas  
Commitments And Contingencies Disclosure [Line Items]  
Oil and Gas Delivery Commitments and Contracts, Daily Production 30,000us-gaap_OilAndGasDeliveryCommitmentsAndContractsDailyProduction
/ us-gaap_OtherCommitmentsAxis
= rrc_DueTwentyEighteenMember
/ us-gaap_ReserveQuantitiesByTypeOfReserveAxis
= us-gaap_NaturalGasReservesMember
2018 | Ethane  
Commitments And Contingencies Disclosure [Line Items]  
Oil and Gas Delivery Commitments and Contracts, Daily Production 15,000us-gaap_OilAndGasDeliveryCommitmentsAndContractsDailyProduction
/ us-gaap_OtherCommitmentsAxis
= rrc_DueTwentyEighteenMember
/ us-gaap_ReserveQuantitiesByTypeOfReserveAxis
= rrc_EthaneMember
2019 | Natural Gas  
Commitments And Contingencies Disclosure [Line Items]  
Oil and Gas Delivery Commitments and Contracts, Daily Production 30,000us-gaap_OilAndGasDeliveryCommitmentsAndContractsDailyProduction
/ us-gaap_OtherCommitmentsAxis
= rrc_DueTwentyNineteenMember
/ us-gaap_ReserveQuantitiesByTypeOfReserveAxis
= us-gaap_NaturalGasReservesMember
2019 | Ethane  
Commitments And Contingencies Disclosure [Line Items]  
Oil and Gas Delivery Commitments and Contracts, Daily Production 15,000us-gaap_OilAndGasDeliveryCommitmentsAndContractsDailyProduction
/ us-gaap_OtherCommitmentsAxis
= rrc_DueTwentyNineteenMember
/ us-gaap_ReserveQuantitiesByTypeOfReserveAxis
= rrc_EthaneMember
2020 | Natural Gas  
Commitments And Contingencies Disclosure [Line Items]  
Oil and Gas Delivery Commitments and Contracts, Daily Production 30,000us-gaap_OilAndGasDeliveryCommitmentsAndContractsDailyProduction
/ us-gaap_OtherCommitmentsAxis
= rrc_DueTwentyTwentyMember
/ us-gaap_ReserveQuantitiesByTypeOfReserveAxis
= us-gaap_NaturalGasReservesMember
2020 | Ethane  
Commitments And Contingencies Disclosure [Line Items]  
Oil and Gas Delivery Commitments and Contracts, Daily Production 15,000us-gaap_OilAndGasDeliveryCommitmentsAndContractsDailyProduction
/ us-gaap_OtherCommitmentsAxis
= rrc_DueTwentyTwentyMember
/ us-gaap_ReserveQuantitiesByTypeOfReserveAxis
= rrc_EthaneMember
2021 | Natural Gas  
Commitments And Contingencies Disclosure [Line Items]  
Oil and Gas Delivery Commitments and Contracts, Daily Production 30,000us-gaap_OilAndGasDeliveryCommitmentsAndContractsDailyProduction
/ us-gaap_OtherCommitmentsAxis
= rrc_DueTwentyTwentyOneMember
/ us-gaap_ReserveQuantitiesByTypeOfReserveAxis
= us-gaap_NaturalGasReservesMember
2021 | Ethane  
Commitments And Contingencies Disclosure [Line Items]  
Oil and Gas Delivery Commitments and Contracts, Daily Production 15,000us-gaap_OilAndGasDeliveryCommitmentsAndContractsDailyProduction
/ us-gaap_OtherCommitmentsAxis
= rrc_DueTwentyTwentyOneMember
/ us-gaap_ReserveQuantitiesByTypeOfReserveAxis
= rrc_EthaneMember
2022-2028 | Ethane  
Commitments And Contingencies Disclosure [Line Items]  
Oil and Gas Delivery Commitments and Contracts, Daily Production 15,000us-gaap_OilAndGasDeliveryCommitmentsAndContractsDailyProduction
/ us-gaap_OtherCommitmentsAxis
= rrc_DueTwentyTwentyTwoToTwentyTwentyEightMember
/ us-gaap_ReserveQuantitiesByTypeOfReserveAxis
= rrc_EthaneMember