Additional Information	12 Months Ended
Dec. 31, 2015
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Additional Information	Additional Information AFG’s aggregate allowance for uncollectible reinsurance recoverables was $22 million and $25 million at December 31, 2015 and 2014, respectively. AFG reviews the allowance quarterly and adjusts it as necessary to reflect changes in estimates of uncollectible balances. In 2015, AFG recorded a net expense reduction of $3 million against the allowance. In 2014 and 2013, AFG recorded charges of $4 million and $1 million against the allowance, respectively (included in losses and loss adjustment expenses). In 2014, the allowance was reduced by reinsurance recoverable write-offs of $6 million. Operating Leases Total rental expense for various leases of office space and equipment was $70 million in 2015, $65 million in 2014 and $57 million in 2013. Future minimum rentals, related principally to office space, required under operating leases having initial or remaining noncancelable lease terms in excess of one year at December 31, 2015, were as follows: 2016 – $64 million; 2017 – $60 million; 2018 – $51 million; 2019 – $43 million; 2020 – $36 million; and $148 million thereafter. Financial Instruments — Unfunded Commitments On occasion, AFG and its subsidiaries have entered into financial instrument transactions that may present off-balance-sheet risks of both a credit and market risk nature. These transactions include commitments to fund loans, loan guarantees and commitments to purchase and sell securities or loans. At December 31, 2015, AFG and its subsidiaries had commitments to fund credit facilities and contribute capital to limited partnerships and limited liability corporations of approximately $410 million. Benefit Plans AFG expensed approximately $34 million in 2015, $30 million in 2014 and $32 million in 2013 for its retirement and employee savings plans.

Additional Information

AFG’s aggregate allowance for uncollectible reinsurance recoverables was $22 million and $25 million at December 31, 2015 and 2014, respectively. AFG reviews the allowance quarterly and adjusts it as necessary to reflect changes in estimates of uncollectible balances. In 2015, AFG recorded a net expense reduction of $3 million against the allowance. In 2014 and 2013, AFG recorded charges of $4 million and $1 million against the allowance, respectively (included in losses and loss adjustment expenses). In 2014, the allowance was reduced by reinsurance recoverable write-offs of $6 million.

Operating Leases Total rental expense for various leases of office space and equipment was $70 million in 2015, $65 million in 2014 and $57 million in 2013. Future minimum rentals, related principally to office space, required under operating leases having initial or remaining noncancelable lease terms in excess of one year at December 31, 2015, were as follows: 2016 – $64 million; 2017 – $60 million; 2018 – $51 million; 2019 – $43 million; 2020 – $36 million; and $148 million thereafter.

Financial Instruments — Unfunded Commitments On occasion, AFG and its subsidiaries have entered into financial instrument transactions that may present off-balance-sheet risks of both a credit and market risk nature. These transactions include commitments to fund loans, loan guarantees and commitments to purchase and sell securities or loans. At December 31, 2015, AFG and its subsidiaries had commitments to fund credit facilities and contribute capital to limited partnerships and limited liability corporations of approximately $410 million.

Benefit Plans AFG expensed approximately $34 million in 2015, $30 million in 2014 and $32 million in 2013 for its retirement and employee savings plans.