Details for Selection
| Standard label: | Schedule of Benefit Obligations in Excess of Fair Value of Plan Assets [Table Text Block] |
| Name: | us-gaap:ScheduleOfBenefitObligationsInExcessOfFairValueOfPlanAssetsTableTextBlock |
| Documentation: | Tabular disclosure of the aggregate benefit obligation and aggregate fair value of plan assets for pension plans and/or other employee benefit plans with benefit obligations in excess of plan assets as of the measurement date. |
| Commentary: | |
| Data type: | Text Block (HTML) (nonnum:textBlockItemType) |
| Period type: | For period (duration) |
| Balance type: | |
| Object class: | [Text Block] |