| Name | DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTaxAbstract |
|---|---|
| Namespace | http://fasb.org/us-gaap/2020-01-31 |
| Prefix | us-gaap |
| Data type | xbrli:stringItemType |
| Period type | duration |
| Substitution Group | xbrli:item |
| Balance | None |
| Nillable | True |
| Abstract | True |
| Text | Lang | Role | Container role |
|---|---|---|---|
| Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, before Tax [Abstract] | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Name | Relation Type | Role | |
|---|---|---|---|
us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax | parent-child | http://fasb.org/us-gaap/role/disclosure/RetirementBenefitsTmp011 | |
us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax | parent-child | http://fasb.org/us-gaap/role/disclosure/RetirementBenefitsTmp011 | |
us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax | parent-child | http://fasb.org/us-gaap/role/disclosure/RetirementBenefitsTmp011 | |
us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax | domain-member | http://fasb.org/us-gaap/role/disclosure/RetirementBenefitsTmp011ScheduleOfDefinedBenefitPlansDisclosuresTable | |
us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax | domain-member | http://fasb.org/us-gaap/role/disclosure/RetirementBenefitsTmp011ScheduleOfDefinedBenefitPlansDisclosuresTable | |
us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax | domain-member | http://fasb.org/us-gaap/role/disclosure/RetirementBenefitsTmp011ScheduleOfDefinedBenefitPlansDisclosuresTable | |
us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax | parent-child | http://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsRetirementBenefits | |
us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax | parent-child | http://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsRetirementBenefits | |
us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetTransitionAssetsObligationsBeforeTax | parent-child | http://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsRetirementBenefits | |
us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax | parent-child | http://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsRetirementBenefits | |
us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax | domain-member | http://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsRetirementBenefitsScheduleOfDefinedBenefitPlansDisclosuresTable | |
us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax | domain-member | http://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsRetirementBenefitsScheduleOfDefinedBenefitPlansDisclosuresTable | |
us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetTransitionAssetsObligationsBeforeTax | domain-member | http://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsRetirementBenefitsScheduleOfDefinedBenefitPlansDisclosuresTable | |
us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax | domain-member | http://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsRetirementBenefitsScheduleOfDefinedBenefitPlansDisclosuresTable |
| Name | Relation Type | Role | |
|---|---|---|---|
us-gaap:DefinedBenefitPlanDisclosureLineItems | parent-child | http://fasb.org/us-gaap/role/disclosure/RetirementBenefitsTmp011 | |
us-gaap:DefinedBenefitPlanDisclosureLineItems | domain-member | http://fasb.org/us-gaap/role/disclosure/RetirementBenefitsTmp011ScheduleOfDefinedBenefitPlansDisclosuresTable | |
us-gaap:DefinedBenefitPlanDisclosureLineItems | parent-child | http://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsRetirementBenefits | |
us-gaap:DefinedBenefitPlanDisclosureLineItems | domain-member | http://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsRetirementBenefitsScheduleOfDefinedBenefitPlansDisclosuresTable |