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v3.3.1.900

Subsequent Event (Details) - USD ($) $ / shares in Units, $ in Millions | 1 Months Ended | 12 Months Ended
--- | --- | ---
Feb. 01, 2016 | Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Subsequent Event [Line Items] |  |  |  |
Sales of common equity securities |  | $ 461.4 | $ 609.8 | $ 435.0
Common shares, par value per share (in dollars per share) |  | $ 1.00 | $ 1.00 |
Symetra |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Sales of common equity securities | $ 658.0 |  |  |
Common shares, par value per share (in dollars per share) | $ 32.00 |  |  |

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- Definition Face amount or stated value per share of common stock. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.29) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 30 -Article 5 + Details
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- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. + References No definition available. + Details
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- Definition The cash inflow associated with the sale of equity securities classified as trading. + References No definition available. + Details
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- Details
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