Details for Selection
Standard label: | Increase (Decrease) in Pneumoconiosis Benefit Obligations Noncurrent |
Name: | us-gaap:IncreaseDecreaseInPneumoconiosisBenefitObligationsNoncurrent |
Documentation: | The increase (decrease) during the reporting period in the amount due to fund payment obligations to former employees suffering from pneumoconiosis. |
Commentary: | |
Data type: | Monetary (xbrli:monetaryItemType) |
Period type: | For period (duration) |
Balance type: | Debit |
Object class: | [Concept] |