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Segments of Operations (Details Textual) (USD $) In Millions, unless otherwise specified | 3 Months Ended | 9 Months Ended | 3 Months Ended | 9 Months Ended | 3 Months Ended
--- | --- | --- | --- | --- | ---
Sep. 30, 2014 | Sep. 30, 2013 | Sep. 30, 2014 segment | Sep. 30, 2013 | Sep. 30, 2014 Other [Member] | Sep. 30, 2013 Other [Member] | Sep. 30, 2014 Other [Member] | Sep. 30, 2013 Other [Member] | Jun. 30, 2013 Insurance-related assessments [Member] Annuity [Member] | Sep. 30, 2014 Other Lines [Member] | Sep. 30, 2013 Other Lines [Member]
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of segments |  |  |  |  | 4 |  |  |  |  |  |  |  |  |  |
Special charges to increase asbestos and environmental reserves | $ 30 |  |  |  |  |  |  |  | $ 6 | $ 22 |  |  |  | $ 24 | $ 54
Charge for guaranty fund assessments for the insolvency and liquidation of an unaffiliated life insurance company |  |  |  |  |  |  |  |  |  |  |  |  | 5 |  |
Earnings (losses) of managed investment entities attributable to noncontrolling interests | $ (29) | [1] | $ 12 | [1] | $ (47) | [1] | $ (30) | [1] | $ (29) | $ 12 | $ (47) | $ (30) |  |  |
[1] | Included in Earnings before income taxes in AFG’s Statement of Earnings.

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- Definition Earnings (losses) of variable interest entities attributable to noncontrolling interests. + References No definition available. + Details
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- Definition Special charges to increase asbestos and environmental reserves. + References No definition available. + Details
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- Definition The amount of loss pertaining to the specified contingency that was charged against earnings in the period, including the effects of revisions in previously reported estimates. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349 + Details
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- Definition Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements. + References No definition available. + Details
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