Details for Selection
| Standard label: | Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Benefit Plan Improvement, Tax Effect |
| Name: | us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansBenefitPlanImprovementTaxEffect |
| Documentation: | Tax effect on the cost of benefit improvement resulting from a plan amendment that occurred during the period. The expense has not been recognized in net periodic benefit cost. |
| Commentary: | |
| Data type: | Monetary (xbrli:monetaryItemType) |
| Period type: | For period (duration) |
| Balance type: | Credit |
| Object class: | [Concept] |