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Derivatives (Details Textual) | 3 Months Ended |
--- | --- | ---
Mar. 31, 2016 USD ($) swap | Mar. 31, 2015 USD ($) | Dec. 31, 2015 USD ($)
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Indexed annuities as a percentage of annuity benefits | 60.00% |  |
Carrying value of collateral received to support purchased call options | $ 196,000,000 |  | $ 211,000,000
Cash Flow Hedges [Member] | Designated as Hedging Instrument [Member] | Interest rate swaps [Member] |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Number of interest rate swaps designated and qualifying as a cash flow hedges | swap | 4 |  |
Notional amount of derivative instrument outstanding | $ 749,000,000 |  | 614,000,000
Gain (loss) reclassified from AOCI into net investment income | 2,000,000 | $ 1,000,000 |
Gain (loss) on cash flow hedge ineffectiveness recorded in Net Earnings | 0 | $ 0 |
Cash Flow Hedges [Member] | Designated as Hedging Instrument [Member] | Interest rate swaps [Member] | Seven-year and nine-month interest rate swap [Member] |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Notional amount of derivative instrument outstanding | 163,000,000 |  |
Other assets [Member] | Cash Flow Hedges [Member] | Designated as Hedging Instrument [Member] | Interest rate swaps [Member] |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Net derivatives, at fair value | 13,000,000 |  | 2,000,000
Other liabilities [Member] | Cash Flow Hedges [Member] | Designated as Hedging Instrument [Member] | Interest rate swaps [Member] |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Net derivatives, at fair value | $ 0 |  |
Other liabilities [Member] | Maximum [Member] | Cash Flow Hedges [Member] | Designated as Hedging Instrument [Member] | Interest rate swaps [Member] |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Net derivatives, at fair value |  |  | $ (1,000,000)
Senior Notes [Member] | 9-7/8% Senior Notes due June 2019 [Member] |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Stated interest rate, percentage | 9.875% |  |
AFG [Member] |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Interest rate description of fair value hedge activity | three-month LIBOR plus 8.099% |  |
AFG [Member] | Fair Value Hedge [Member] | Designated as Hedging Instrument [Member] | Interest rate swaps [Member] |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Effective interest rate, percentage | 8.7329% |  | 8.611%
The net reduction in interest expense from interest rate swaps | $ 1,000,000 |  |
AFG [Member] | Long-term debt [Member] | Fair Value Hedge [Member] | Designated as Hedging Instrument [Member] | Interest rate swaps [Member] |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Net derivatives, at fair value | $ 8,000,000 |  | $ 2,000,000
AFG [Member] | Senior Notes [Member] | 9-7/8% Senior Notes due June 2019 [Member] |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Stated interest rate, percentage | 9.875% |  | 9.875%
AFG [Member] | LIBOR [Member] | Fair Value Hedge [Member] | Designated as Hedging Instrument [Member] | Interest rate swaps [Member] |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Basis spread on variable interest rate | 8.099% |  |

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- Definition Indexed annuities as a percentage of annuity benefits. + References No definition available. + Details
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- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
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- Definition Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium. + 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 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399 + Details
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- Definition The effective portion of net gain (loss) reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5624171-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4D -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5624177-113959 + Details
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