IndexProved Developed and Undeveloped Reserves, Extensions, Discoveries, and Additions
| Name | ProvedDevelopedAndUndevelopedReservesExtensionsDiscoveriesAndAdditions |
|---|---|
| Namespace | http://fasb.org/srt/2020-01-31 |
| Prefix | srt |
| Data type | num:volumeItemType |
| Period type | duration |
| Substitution Group | xbrli:item |
| Balance | None |
| Nillable | True |
| Abstract | False |
Labels
| Text | Lang | Role | Container role |
|---|---|---|---|
| Proved Developed and Undeveloped Reserves, Extensions, Discoveries, and Additions | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| 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. | en-US | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
References
| Name | Value | Role |
|---|---|---|
| Publisher | SEC | http://www.xbrl.org/2003/role/disclosureRef |
| Name | Form 20-F | http://www.xbrl.org/2003/role/disclosureRef |
| Section | Item 18 | http://www.xbrl.org/2003/role/disclosureRef |
| Subsection | Instruction 2 | http://www.xbrl.org/2003/role/disclosureRef |
Related Parent Concepts
| Name | Relation Type | Role | |
|---|---|---|---|
 | srt:ProvedDevelopedAndUndevelopedReservesNetPeriodIncreaseDecrease | summation-item | http://fasb.org/srt/role/disclosure/SRTCalculations |
| srt:IncreaseDecreaseInProvedDevelopedAndUndevelopedReservesRollForward | parent-child | http://fasb.org/srt/role/disclosure/ExtractiveIndustries |
| srt:IncreaseDecreaseInProvedDevelopedAndUndevelopedReservesRollForward | domain-member | http://fasb.org/srt/role/disclosure/ExtractiveIndustriesProvedDevelopedAndUndevelopedOilAndGasReserveQuantitiesTable |