- DefinitionAmount of tax (expense) benefit, after reclassification adjustments, of (increase) decrease in accumulated other comprehensive (income) loss related to pension and other postretirement defined benefit plans.
Reference 1: http://www.xbrl.org/2003/role/presentationRef
 -Publisher FASB
 -Name Accounting Standards Codification
 -Topic 220
 -SubTopic 10
 -Section 45
 -Paragraph 12
 -URI http://asc.fasb.org/extlink&oid=36458714&loc=d3e640-108580
Reference 2: http://www.xbrl.org/2003/role/presentationRef
 -Publisher FASB
 -Name Accounting Standards Codification
 -Topic 220
 -SubTopic 10
 -Section 45
 -Paragraph 10A
 -Subparagraph (i-k)
 -URI http://asc.fasb.org/extlink&oid=36458714&loc=SL7669646-108580
| Name: | us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax | 
| Namespace Prefix: | us-gaap_ | 
| Data Type: | xbrli:monetaryItemType | 
| Balance Type: | credit | 
| Period Type: | duration |