- DefinitionAmount, before allocation of a valuation allowances, of deferred tax assets attributable to deductible tax credit carryforwards including, but not limited to, research, foreign, general business, alternative minimum tax, and other deductible tax credit carryforwards.
Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
 -Publisher FASB
 -Name Accounting Standards Codification
 -Topic 740
 -SubTopic 10
 -Section 50
 -Paragraph 8
 -URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32632-109319
Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
 -Publisher FASB
 -Name Accounting Standards Codification
 -Topic 740
 -SubTopic 10
 -Section 50
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 -Subparagraph (a)
 -URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32559-109319
Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
 -Publisher FASB
 -Name Accounting Standards Codification
 -Topic 740
 -SubTopic 10
 -Section 50
 -Paragraph 6
 -URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32621-109319
| Name: | us-gaap_DeferredTaxAssetsTaxCreditCarryforwards | 
| Namespace Prefix: | us-gaap_ | 
| Data Type: | xbrli:monetaryItemType | 
| Balance Type: | debit | 
| Period Type: | instant |