Stock-Based Compensation Plans - Additional Information 4 (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Maximum percentage of employers contribution	75.00%
Maximum percentage of employers contribution in cash	6.00%
Employer contribution	$ 5.1	$ 4.0
Non-cash, Mark-to-market income (loss) related to deferred compensation plan	$ (55.3)	$ (7.2)	$ (43.2)
Shares held in rabbi trust total	2.8	2.7
Vested shares held in rabbi trust	2.4	2.3

Non cash mark to market income (loss) related to deferred compensation plan.

No definition available.

Name:	rrc_NonCashMarkToMarketIncomeLossRelatedToDeferredCompensationPlan
Namespace Prefix:	rrc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

The total number of shares granted that reside within the deferred compensation plan.

No definition available.

Name:	rrc_SharesHeldInRabbiTrust
Namespace Prefix:	rrc_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

The total number of shares that are vested that reside within the deferred compensation plan.

No definition available.

Name:	rrc_VestedSharesHeldInRabbiTrust
Namespace Prefix:	rrc_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

Amount of discretionary contributions made by an employer to a defined contribution plan.

No definition available.

Name:	us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan.

No definition available.

Name:	us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Maximum percentage of employee gross pay the employee may contribute to a defined contribution plan.

No definition available.

Name:	us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration