| Name | CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortizationByPropertyOrProjectAxis |
|---|---|
| Namespace | http://fasb.org/us-gaap/2020-01-31 |
| Prefix | us-gaap |
| Data type | xbrli:stringItemType |
| Period type | duration |
| Substitution Group | xbrldt:dimensionItem |
| Balance | None |
| Nillable | True |
| Abstract | True |
| Text | Lang | Role | Container role |
|---|---|---|---|
| Project [Axis] | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Information by project. | en-US | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Name | Value | Role |
|---|---|---|
| Publisher | FASB | http://fasb.org/us-gaap/role/ref/legacyRef |
| Name | Accounting Standards Codification | http://fasb.org/us-gaap/role/ref/legacyRef |
| Topic | 932 | http://fasb.org/us-gaap/role/ref/legacyRef |
| SubTopic | 10 | http://fasb.org/us-gaap/role/ref/legacyRef |
| Section | S99 | http://fasb.org/us-gaap/role/ref/legacyRef |
| Paragraph | 1 | http://fasb.org/us-gaap/role/ref/legacyRef |
| Subparagraph | (SX 210.4-10(c)(3)(ii)(A)) | http://fasb.org/us-gaap/role/ref/legacyRef |
| URI | http://asc.fasb.org/extlink&oid=120398226&loc=d3e511914-122862 | http://fasb.org/us-gaap/role/ref/legacyRef |
| Publisher | FASB | http://fasb.org/us-gaap/role/ref/legacyRef |
| Name | Accounting Standards Codification | http://fasb.org/us-gaap/role/ref/legacyRef |
| Topic | 932 | http://fasb.org/us-gaap/role/ref/legacyRef |
| SubTopic | 10 | http://fasb.org/us-gaap/role/ref/legacyRef |
| Section | S99 | http://fasb.org/us-gaap/role/ref/legacyRef |
| Paragraph | 1 | http://fasb.org/us-gaap/role/ref/legacyRef |
| Subparagraph | (SX 210.4-10(a)(32)) | http://fasb.org/us-gaap/role/ref/legacyRef |
| URI | http://asc.fasb.org/extlink&oid=120398226&loc=d3e511914-122862 | http://fasb.org/us-gaap/role/ref/legacyRef |
| Publisher | FASB | http://fasb.org/us-gaap/role/ref/legacyRef |
| Name | Accounting Standards Codification | http://fasb.org/us-gaap/role/ref/legacyRef |
| Topic | 932 | http://fasb.org/us-gaap/role/ref/legacyRef |
| SubTopic | 10 | http://fasb.org/us-gaap/role/ref/legacyRef |
| Section | S99 | http://fasb.org/us-gaap/role/ref/legacyRef |
| Paragraph | 1 | http://fasb.org/us-gaap/role/ref/legacyRef |
| Subparagraph | (SX 210.4-10(c)(7)(ii)) | http://fasb.org/us-gaap/role/ref/legacyRef |
| URI | http://asc.fasb.org/extlink&oid=120398226&loc=d3e511914-122862 | http://fasb.org/us-gaap/role/ref/legacyRef |
| Name | Relation Type | Role | |
|---|---|---|---|
us-gaap:ScheduleOfResearchAndDevelopmentArrangementContractToPerformForOthersTable | parent-child | http://fasb.org/us-gaap/role/disclosure/ResearchAndDevelopment | |
us-gaap:ScheduleOfResearchAndDevelopmentArrangementContractToPerformForOthersTable | hypercube-dimension | http://fasb.org/us-gaap/role/disclosure/ResearchAndDevelopmentScheduleOfResearchAndDevelopmentArrangementContractToPerformForOthersTable | |
us-gaap:CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortizationTable | parent-child | http://fasb.org/us-gaap/role/disclosure/ExtractiveIndustries | |
us-gaap:ProjectsWithExploratoryWellCostsCapitalizedForMoreThanOneYearTable | parent-child | http://fasb.org/us-gaap/role/disclosure/ExtractiveIndustries | |
us-gaap:CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortizationTable | hypercube-dimension | http://fasb.org/us-gaap/role/disclosure/ExtractiveIndustriesCapitalizedCostsOfUnprovedPropertiesExcludedFromAmortizationTable | |
us-gaap:ProjectsWithExploratoryWellCostsCapitalizedForMoreThanOneYearTable | hypercube-dimension | http://fasb.org/us-gaap/role/disclosure/ExtractiveIndustriesProjectsWithExploratoryWellCostsCapitalizedForMoreThanOneYearTable |