| Name | PensionExpenseReversalOfExpenseNoncash |
|---|---|
| Namespace | http://fasb.org/us-gaap/2020-01-31 |
| Prefix | us-gaap |
| Data type | xbrli:monetaryItemType |
| Period type | duration |
| Substitution Group | xbrli:item |
| Balance | debit |
| Nillable | True |
| Abstract | False |
| Text | Lang | Role | Container role |
|---|---|---|---|
| Pension Expense (Reversal of Expense), Noncash | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Amount of noncash expense (reversal of expense) for pension benefits. Excludes other postretirement benefits. | en-US | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Name | Value | Role |
|---|---|---|
| PublishDate | 2017-01 | http://fasb.org/us-gaap/role/tin/taxonomyImplementationNote |
| Positive_XBRL_Value | Enter a positive XBRL value for expense. | http://fasb.org/us-gaap/role/tin/taxonomyImplementationNote |
| Negative_XBRL_Value | Enter a negative XBRL value for reversal of expense. | http://fasb.org/us-gaap/role/tin/taxonomyImplementationNote |
| Publisher | FASB | http://fasb.org/us-gaap/role/ref/legacyRef |
| Name | Accounting Standards Codification | http://fasb.org/us-gaap/role/ref/legacyRef |
| Topic | 230 | http://fasb.org/us-gaap/role/ref/legacyRef |
| SubTopic | 10 | http://fasb.org/us-gaap/role/ref/legacyRef |
| Section | 45 | http://fasb.org/us-gaap/role/ref/legacyRef |
| Paragraph | 28 | http://fasb.org/us-gaap/role/ref/legacyRef |
| Subparagraph | (b) | http://fasb.org/us-gaap/role/ref/legacyRef |
| URI | http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585 | http://fasb.org/us-gaap/role/ref/legacyRef |
| Name | Relation Type | Role | |
|---|---|---|---|
us-gaap:PensionAndOtherPostretirementBenefitsExpenseReversalOfExpenseNoncashAbstract | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectRealEstate | |
us-gaap:PensionAndOtherPostretirementBenefitsExpenseReversalOfExpenseNoncashAbstract | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectRealEstateStatementTable | |
us-gaap:PensionAndOtherPostretirementBenefitsExpenseReversalOfExpenseNoncashAbstract | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirect | |
us-gaap:PensionAndOtherPostretirementBenefitsExpenseReversalOfExpenseNoncash | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirect | |
us-gaap:PensionAndOtherPostretirementBenefitsExpenseReversalOfExpenseNoncashAbstract | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectStatementTable | |
us-gaap:PensionAndOtherPostretirementBenefitsExpenseReversalOfExpenseNoncashAbstract | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectDepositBasedOperations | |
us-gaap:PensionAndOtherPostretirementBenefitsExpenseReversalOfExpenseNoncashAbstract | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectDepositBasedOperationsStatementTable | |
us-gaap:PensionAndOtherPostretirementBenefitsExpenseReversalOfExpenseNoncashAbstract | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectInvestmentBasedOperations | |
us-gaap:PensionAndOtherPostretirementBenefitsExpenseReversalOfExpenseNoncashAbstract | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectInvestmentBasedOperationsStatementTable | |
us-gaap:PensionAndOtherPostretirementBenefitsExpenseReversalOfExpenseNoncashAbstract | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectSecuritiesBasedOperations | |
us-gaap:PensionAndOtherPostretirementBenefitsExpenseReversalOfExpenseNoncashAbstract | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectSecuritiesBasedOperationsStatementTable |