Details for Selection
| Standard label: | Other Postretirement Benefit Expense |
| Name: | us-gaap:OtherPostretirementBenefitExpense |
| Documentation: | The amount of costs recognized during the period for non-pension postretirement benefits, such as medical, dental and life insurance. |
| Commentary: | |
| Data type: | Monetary (xbrli:monetaryItemType) |
| Period type: | For period (duration) |
| Balance type: | Debit |
| Object class: | [Concept] |