估计不利税收率导致的损失量。

参考文献1：http：//fasb.org/us-gaap/role/ref/legacyref
-Publisher FASB
- 名称会计标准编码
-Topic 740
-subtopic 10.
- 50.
-Paragraph 15.
-subparagraph（d）（3）
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32718-109319

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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