XML 53 R36.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Segments of Operations (Details 1) (USD $) In Millions, unless otherwise specified | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2014 | Sep. 30, 2013 | Sep. 30, 2014 | Sep. 30, 2013
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |
Earnings before realized gains (losses) and income taxes | $ 132 |  | $ 86 |  | $ 392 |  | $ 289 |
Realized gains on securities | 13 |  | 56 |  | 44 |  | 154 |
Earnings before income taxes | 145 |  | 142 |  | 436 |  | 443 |
Property and Casualty Insurance [Member] |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |
Property and casualty insurance underwriting | 46 |  | 8 |  | 133 |  | 70 |
Investment and other income, net | 64 |  | 53 |  | 180 |  | 169 |
Earnings before realized gains (losses) and income taxes | 110 |  | 61 |  | 313 |  | 239 |
Annuity [Member] |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |
Earnings before realized gains (losses) and income taxes | 86 |  | 78 | [1] | 243 |  | 231 | [1]
Run-off Long-term Care and Life [Member] |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |
Earnings before realized gains (losses) and income taxes | 1 |  | (4) |  | (3) |  | (7) |
Other [Member] |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |
Earnings before realized gains (losses) and income taxes | (65) | [2] | (49) | [2] | (161) | [2] | (174) | [2]
Specialty Property and transportation [Member] |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |
Property and casualty insurance underwriting | 11 |  | 16 |  | (1) |  | (5) |
Specialty casualty [Member] |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |
Property and casualty insurance underwriting | 32 |  | 19 |  | 100 |  | 70 |
Specialty financial [Member] |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |
Property and casualty insurance underwriting | 21 |  | 22 |  | 46 |  | 50 |
Specialty Other [Member] |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |
Property and casualty insurance underwriting | 6 |  | 5 |  | 13 |  | 16 |
Other Lines [Member] |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |
Property and casualty insurance underwriting | $ (24) | [3] | $ (54) | [3] | $ (25) | [3] | $ (61) | [3]
[1] | Includes a $5 million charge in the second quarter of 2013 to cover expected assessments from state guaranty funds related to the insolvency and liquidation of an unaffiliated life insurance company.
[2] | Includes holding company expenses and earnings (losses) of managed investment entities attributable to noncontrolling interest of ($29) million and $12 million for the third quarter and ($47) million and ($30) million for the first nine months of 2014 and 2013, respectively. Holding company expenses includes special charges totaling $6 million in the third quarter of 2014 and $22 million in the third quarter of 2013 to increase A&E reserves related to AFG’s former railroad and manufacturing operations.
[3] | Includes special charges of $24 million and $54 million in the third quarter of 2014 and 2013, respectively, to increase asbestos and environmental (“A&E”) reserves.

X
- Definition Net investment income plus other income less other expenses. + References No definition available. + Details
Name: | afg_InvestmentAndOtherIncomeNet
Namespace Prefix: | afg_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The net result for the period of deducting operating expenses from operating revenues (excluding realized gains (losses) on securities and subsidiaries) before income taxes. + References No definition available. + Details
Name: | afg_OperatingIncomeLossBeforeRealizedGainsLossesAndIncomeTaxes
Namespace Prefix: | afg_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Underwriting income (loss) for the property and casualty insurance segment, which is calculated as premiums earned less losses and loss adjustment expenses less commissions and other underwriting expenses. + References No definition available. + Details
Name: | afg_PropertyAndCasualtyInsuranceUnderwritingIncomeLoss
Namespace Prefix: | afg_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition This item represents the total realized gain (loss) included in earnings for the period as a result of selling marketable securities categorized as trading, available-for-sale, or held-to-maturity. Additionally, this item would include any losses recognized for other than temporary impairments (OTTI) of the subject investments in debt and equity securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27357-111563 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.7(c)) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 10 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27405-111563 + Details
Name: | us-gaap_MarketableSecuritiesRealizedGainLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The net result for the period of deducting operating expenses from operating revenues. + References No definition available. + Details
Name: | us-gaap_OperatingIncomeLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_SegmentReportingInformationLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration