XML 140 R68.htm IDEA: XBRL DOCUMENT
v3.19.3.a.u2

Asset Retirement Obligations - Asset Retirement Obligations (Parenthetical) (Detail) $ in Millions | 3 Months Ended
--- | ---
Dec. 31, 2019 USD ($)
Northwest Pennsylvania |
Asset Retirement Obligations [Line Items] |
Liability released upon approval of authorities | $ 125.5

X
- Definition Asset retirement obligations. + References No definition available. + Details
Name: | rrc_AssetRetirementObligationsLineItems
Namespace Prefix: | rrc_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Liability released upon approval of authorities. + References No definition available. + Details
Name: | rrc_LiabilityReleasedUponApprovalOfAuthorities
Namespace Prefix: | rrc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | srt_StatementGeographicalAxis=rrc_NorthwestPennsylvaniaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |