XML 134 R118.htm IDEA: XBRL DOCUMENT
v3.19.3.a.u2

Supplemental Information on Natural Gas and Oil Exploration, Development and Production Activities (Unaudited) - Changes in Proved Undeveloped Reserves (Parenthetical) (Detail) MMcfe in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 MMcfe
Extractive Industries [Abstract] |
Proved undeveloped reserves removed and deferred | 601

X
- Definition Proved undeveloped reserves removed and deferred. + References No definition available. + Details
Name: | rrc_ProvedUnDevelopedReservesRemovedAndDeferred
Namespace Prefix: | rrc_
Data Type: | num:energyItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | srt_ExtractiveIndustriesAbstract
Namespace Prefix: | srt_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration