| Interest expense on the defined benefit obligation represents an increase in net defined benefit liability and should be tagged with a positive value. Interest income on the plan assets represents a decrease in net defined benefit liability (equivalent to an increase in a net defined benefit asset) and should be tagged with a negative value. Interest on the effect of the asset ceiling represents an increase in net defined benefit liability and should be tagged with a positive value. | en | http://www.xbrl.org/2003/role/commentaryGuidance | http://www.xbrl.org/2003/role/link |
| Increase (decrease) in net defined benefit liability (asset) resulting from interest expense (income) | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| The increase (decrease) in the net defined benefit liability (asset) resulting from the passage of time. [Refer: Interest expense; Net defined benefit liability (asset)] | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
Index