10-Q

______________________________________________________________________________________________________

UNITED STATES SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q

Quarterly Report Pursuant to Section 13 or 15(d) of the

Securities Exchange Act of 1934

For the Quarterly Period Ended September 30, 2015 Commission File No. 1-13653 

AMERICAN FINANCIAL GROUP, INC.

Incorporated under the Laws of Ohio IRS Employer I.D. No. 31-1544320

301 East Fourth Street, Cincinnati, Ohio 45202

(513) 579-2121

Indicate by check mark whether the Registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months, and (2) has been subject to such filing requirements for the past 90 days. Yes þ No ¨

Indicate by check mark whether the Registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the Registrant was required to submit and post such files). Yes þ No ¨

Indicate by check mark whether the Registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer or a smaller reporting company. See definitions of “large accelerated filer,” “accelerated filer” and “smaller reporting company” in Rule 12b-2 of the Exchange Act.

          Large accelerated filer  þ Accelerated filer  ¨ Non-accelerated filer  ¨ Smaller reporting company  ¨

Indicate by check mark whether the Registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes ¨ No þ

As of November 1, 2015, there were 87,349,107 shares of the Registrant’s Common Stock outstanding, excluding 14.9 million shares owned by subsidiaries.

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AMERICAN FINANCIAL GROUP, INC. 10-Q

TABLE OF CONTENTS

	Page
Part I — Financial Information
Item 1 — Financial Statements:
Consolidated Balance Sheet	2
Consolidated Statement of Earnings	3
Consolidated Statement of Comprehensive Income	4
Consolidated Statement of Changes in Equity	5
Consolidated Statement of Cash Flows	6
Notes to Consolidated Financial Statements	7
Item 2 — Management’s Discussion and Analysis of Financial Condition and Results of Operations	36
Item 3 — Quantitative and Qualitative Disclosure about Market Risk	87
Item 4 — Controls and Procedures	87
Part II — Other Information
Item 2 — Unregistered Sales of Equity Securities and Use of Proceeds	87
Item 6 — Exhibits	88
Signature	88

AMERICAN FINANCIAL GROUP, INC. 10-Q

PART I

ITEM I — FINANCIAL STATEMENTS

AMERICAN FINANCIAL GROUP, INC. AND SUBSIDIARIES

CONSOLIDATED BALANCE SHEET (UNAUDITED)

(Dollars in Millions)

	September 30, 2015		December 31, 2014
Assets:
Cash and cash equivalents	$	894	$	1,343
Investments:
Fixed maturities, available for sale at fair value (amortized cost — $31,868 and $29,074)	33,114		30,734
Fixed maturities, trading at fair value	269		266
Equity securities, available for sale at fair value (cost — $1,590 and $1,283)	1,658		1,501
Equity securities, trading at fair value	173		195
Mortgage loans	994		1,117
Policy loans	221		228
Real estate and other investments	809		826
Total cash and investments	38,132		36,210
Recoverables from reinsurers	3,151		3,238
Prepaid reinsurance premiums	604		469
Agents’ balances and premiums receivable	976		889
Deferred policy acquisition costs	993		821
Assets of managed investment entities	3,613		3,108
Other receivables	1,241		910
Variable annuity assets (separate accounts)	595		662
Other assets	1,051		1,027
Goodwill	201		201
Total assets	$	50,557	$	47,535
Liabilities and Equity:
Unpaid losses and loss adjustment expenses	$	8,061	$	7,872
Unearned premiums	2,238		1,956
Annuity benefits accumulated	26,026		23,764
Life, accident and health reserves	2,159		2,175
Payable to reinsurers	724		645
Liabilities of managed investment entities	3,287		2,819
Long-term debt	880		1,061
Variable annuity liabilities (separate accounts)	595		662
Other liabilities	1,681		1,527
Total liabilities	45,651		42,481
Shareholders’ equity:
Common Stock, no par value        — 200,000,000 shares authorized        — 87,327,172 and 87,708,793 shares outstanding	87		88
Capital surplus	1,195		1,152
Retained earnings:
Appropriated — managed investment entities	—		(2		)
Unappropriated	2,981		2,914
Accumulated other comprehensive income, net of tax	461		727
Total shareholders’ equity	4,724		4,879
Noncontrolling interests	182		175
Total equity	4,906		5,054
Total liabilities and equity	$	50,557	$	47,535

2

AMERICAN FINANCIAL GROUP, INC. 10-Q

AMERICAN FINANCIAL GROUP, INC. AND SUBSIDIARIES

CONSOLIDATED STATEMENT OF EARNINGS (UNAUDITED)

(In Millions, Except Per Share Data)

	Three months ended September 30,						Nine months ended September 30,
	2015			2014			2015			2014
Revenues:
Property and casualty insurance net earned premiums	$	1,173		$	1,132		$	3,104		$	2,817
Life, accident and health net earned premiums	28			27			80			82
Net investment income	425			377			1,217			1,117
Realized gains (losses) on:
Securities (*)	(16		)	13			2			44
Subsidiaries	5			—			(157		)	—
Income (loss) of managed investment entities:
Investment income	40			29			112			84
Loss on change in fair value of assets/liabilities	(11		)	(25		)	(16		)	(35		)
Other income	40			28			177			75
Total revenues	1,684			1,581			4,519			4,184
Costs and Expenses:
Property and casualty insurance:
Losses and loss adjustment expenses	825			784			2,002			1,815
Commissions and other underwriting expenses	336			302			987			869
Annuity benefits	208			157			543			491
Life, accident and health benefits	31			37			96			119
Annuity and supplemental insurance acquisition expenses	46			46			148			122
Interest charges on borrowed money	18			18			57			53
Expenses of managed investment entities	28			19			80			60
Other expenses	93			73			251			219
Total costs and expenses	1,585			1,436			4,164			3,748
Earnings before income taxes	99			145			355			436
Provision for income taxes	33			54			115			155
Net earnings, including noncontrolling interests	66			91			240			281
Less: Net earnings (loss) attributable to noncontrolling interests	3			(25		)	17			(44		)
Net Earnings Attributable to Shareholders	$	63		$	116		$	223		$	325
Earnings Attributable to Shareholders per Common Share:
Basic	$	0.72		$	1.30		$	2.54		$	3.64
Diluted	$	0.71		$	1.28		$	2.49		$	3.56
Average number of Common Shares:
Basic	87.5			89.0			87.6			89.4
Diluted	89.3			90.9			89.4			91.4
Cash dividends per Common Share	$	0.25		$	0.22		$	0.75		$	0.66
________________________________________
(*) Consists of the following:
Realized gains before impairments	$	19		$	24		$	71		$	57
Losses on securities with impairment	(35		)	(11		)	(69		)	(13		)
Non-credit portion recognized in other comprehensive income (loss)	—			—			—			—
Impairment charges recognized in earnings	(35		)	(11		)	(69		)	(13		)
Total realized gains (losses) on securities	$	(16	)	$	13		$	2		$	44

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AMERICAN FINANCIAL GROUP, INC. 10-Q

AMERICAN FINANCIAL GROUP, INC. AND SUBSIDIARIES

CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME (UNAUDITED)

(In Millions)

	Three months ended September 30,						Nine months ended September 30,
	2015			2014			2015			2014
Net earnings, including noncontrolling interests	$	66		$	91		$	240		$	281
Other comprehensive income (loss), net of tax:
Net unrealized gains (losses) on securities:
Unrealized holding gains (losses) on securities arising during the period	(110		)	(73		)	(255		)	194
Reclassification adjustment for realized (gains) losses included in net earnings	10			(8		)	(3		)	(28		)
Total net unrealized gains (losses) on securities	(100		)	(81		)	(258		)	166
Net unrealized gains on cash flow hedges	2			—			2			—
Foreign currency translation adjustments	(7		)	(2		)	(15		)	(5		)
Pension and other postretirement plans adjustments	1			—			1			—
Other comprehensive income (loss), net of tax	(104		)	(83		)	(270		)	161
Total comprehensive income (loss), net of tax	(38		)	8			(30		)	442
Less: Comprehensive income (loss) attributable to noncontrolling interests	1			(27		)	13			(41		)
Comprehensive income (loss) attributable to shareholders	$	(39	)	$	35		$	(43	)	$	483

4

AMERICAN FINANCIAL GROUP, INC. 10-Q

AMERICAN FINANCIAL GROUP, INC. AND SUBSIDIARIES

CONSOLIDATED STATEMENT OF CHANGES IN EQUITY (UNAUDITED)

(Dollars in Millions)

			Shareholders’ Equity
	Common		Common Stock and Capital			Retained Earnings						Accumulated Other Comp						Noncon- trolling			Total
	Shares		Surplus			Approp.			Unapprop.			Inc. (Loss)			Total			Interests			Equity
Balance at December 31, 2014	87,708,793		$	1,240		$	(2	)	$	2,914		$	727		$	4,879		$	175		$	5,054
Cumulative effect of accounting change	—		—			2			—			—			2			—			2
Net earnings	—		—			—			223			—			223			17			240
Other comprehensive loss	—		—			—			—			(266		)	(266		)	(4		)	(270		)
Dividends on Common Stock	—		—			—			(66		)	—			(66		)	—			(66		)
Shares issued:
Exercise of stock options	1,157,288		46			—			—			—			46			—			46
Other benefit plans	268,947		6			—			—			—			6			—			6
Dividend reinvestment plan	10,359		1			—			—			—			1			—			1
Stock-based compensation expense	—		14			—			—			—			14			—			14
Shares acquired and retired	(1,767,240	)	(25		)	—			(88		)	—			(113		)	—			(113		)
Shares exchanged — benefit plans	(33,795	)	—			—			(2		)	—			(2		)	—			(2		)
Forfeitures of restricted stock	(17,180	)	—			—			—			—			—			—			—
Other	—		—			—			—			—			—			(6		)	(6		)
Balance at September 30, 2015	87,327,172		$	1,282		$	—		$	2,981		$	461		$	4,724		$	182		$	4,906
Balance at December 31, 2013	89,513,386		$	1,213		$	49		$	2,777		$	560		$	4,599		$	170		$	4,769
Net earnings	—		—			—			325			—			325			(44		)	281
Other comprehensive income	—		—			—			—			158			158			3			161
Allocation of losses of managed investment entities	—		—			(47		)	—			—			(47		)	47			—
Dividends on Common Stock	—		—			—			(59		)	—			(59		)	—			(59		)
Shares issued:
Exercise of stock options	972,847		34			—			—			—			34			—			34
Other benefit plans	227,782		7			—			—			—			7			—			7
Dividend reinvestment plan	9,749		1			—			—			—			1			—			1
Stock-based compensation expense	—		14			—			—			—			14			—			14
Shares acquired and retired	(2,209,007	)	(31		)	—			(96		)	—			(127		)	—			(127		)
Shares exchanged — benefit plans	(23,790	)	—			—			(1		)	—			(1		)	—			(1		)
Other	—		—			—			—			—			—			(2		)	(2		)
Balance at September 30, 2014	88,490,967		$	1,238		$	2		$	2,946		$	718		$	4,904		$	174		$	5,078

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AMERICAN FINANCIAL GROUP, INC. 10-Q

AMERICAN FINANCIAL GROUP, INC. AND SUBSIDIARIES

CONSOLIDATED STATEMENT OF CASH FLOWS (UNAUDITED)

(In Millions)

	Nine months ended September 30,
	2015			2014
Operating Activities:
Net earnings, including noncontrolling interests	$	240		$	281
Adjustments:
Depreciation and amortization	118			95
Annuity benefits	543			491
Realized (gains) losses on investing activities	90			(48		)
Net purchases of trading securities	(9		)	(39		)
Deferred annuity and life policy acquisition costs	(164		)	(144		)
Change in:
Reinsurance and other receivables	(468		)	(459		)
Other assets	68			(38		)
Insurance claims and reserves	491			505
Payable to reinsurers	79			162
Other liabilities	(45		)	(92		)
Managed investment entities’ assets/liabilities	(53		)	(44		)
Other operating activities, net	17			4
Net cash provided by operating activities	907			674
Investing Activities:
Purchases of:
Fixed maturities	(5,395		)	(5,358		)
Equity securities	(449		)	(356		)
Mortgage loans	(105		)	(355		)
Real estate, property and equipment	(65		)	(34		)
Businesses	—			(267		)
Proceeds from:
Maturities and redemptions of fixed maturities	2,426			2,252
Repayments of mortgage loans	231			74
Sales of fixed maturities	235			262
Sales of equity securities	193			97
Sales of real estate, property and equipment	96			11
Cash and cash equivalents of businesses acquired	—			1,078
Managed investment entities:
Purchases of investments	(1,167		)	(1,075		)
Proceeds from sales and redemptions of investments	685			1,153
Other investing activities, net	(100		)	83
Net cash used in investing activities	(3,415		)	(2,435		)
Financing Activities:
Annuity receipts	3,333			2,725
Annuity surrenders, benefits and withdrawals	(1,487		)	(1,289		)
Net transfers from variable annuity assets	32			36
Additional long-term borrowings	—			145
Reductions of long-term debt	(182		)	(1		)
Issuances of managed investment entities’ liabilities	693			538
Retirements of managed investment entities’ liabilities	(192		)	(571		)
Issuances of Common Stock	47			35
Repurchases of Common Stock	(113		)	(127		)
Cash dividends paid on Common Stock	(65		)	(59		)
Other financing activities, net	(7		)	—
Net cash provided by financing activities	2,059			1,432
Net Change in Cash and Cash Equivalents	(449		)	(329		)
Cash and cash equivalents at beginning of period	1,343			1,639
Cash and cash equivalents at end of period	$	894		$	1,310

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AMERICAN FINANCIAL GROUP, INC. 10-Q

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

INDEX TO NOTES
A.	Accounting Policies	H.	Managed Investment Entities
B.	Acquisitions and Sale of Businesses	I.	Goodwill and Other Intangibles
C.	Segments of Operations	J.	Long-Term Debt
D.	Fair Value Measurements	K.	Shareholders’ Equity
E.	Investments	L.	Income Taxes
F.	Derivatives	M.	Contingencies
G.	Deferred Policy Acquisition Costs

A.     Accounting Policies

Basis of Presentation   The accompanying consolidated financial statements for American Financial Group, Inc. and its subsidiaries (“AFG”) are unaudited; however, management believes that all adjustments (consisting only of normal recurring accruals unless otherwise disclosed herein) necessary for fair presentation have been made. The results of operations for interim periods are not necessarily indicative of results to be expected for the year. The financial statements have been prepared in accordance with the instructions to Form 10-Q and, therefore, do not include all information and footnotes necessary to be in conformity with U.S. generally accepted accounting principles (“GAAP”).

Certain reclassifications have been made to prior periods to conform to the current year’s presentation. All significant intercompany balances and transactions have been eliminated. The results of operations of companies since their formation or acquisition are included in the consolidated financial statements. Events or transactions occurring subsequent to September 30, 2015, and prior to the filing of this Form 10-Q, have been evaluated for potential recognition or disclosure herein.

The preparation of the financial statements requires management to make estimates and assumptions that affect the amounts reported in the financial statements and accompanying notes. Changes in circumstances could cause actual results to differ materially from those estimates.

Fair Value Measurements   Accounting standards define fair value as the price that would be received to sell an asset or paid to transfer a liability (an exit price) in an orderly transaction between market participants on the measurement date. The standards establish a hierarchy of valuation techniques based on whether the assumptions that market participants would use in pricing the asset or liability (“inputs”) are observable or unobservable. Observable inputs reflect market data obtained from independent sources, while unobservable inputs reflect AFG’s assumptions about the assumptions market participants would use in pricing the asset or liability. Other than recording an estimated loss on the pending sale of its long-term care business (see Note B — “Acquisitions and Sale of Businesses”),AFG did not have any significant nonrecurring fair value measurements in the first nine months of 2015.

Investments   Fixed maturity and equity securities classified as “available for sale” are reported at fair value with unrealized gains and losses included in accumulated other comprehensive income (“AOCI”) in AFG’s Balance Sheet. Fixed maturity and equity securities classified as “trading” are reported at fair value with changes in unrealized holding gains or losses during the period included in net investment income. Mortgage and policy loans are carried primarily at the aggregate unpaid balance.

Premiums and discounts on fixed maturity securities are amortized using the interest method. Mortgage-backed securities (“MBS”) are amortized over a period based on estimated future principal payments, including prepayments. Prepayment assumptions are reviewed periodically and adjusted to reflect actual prepayments and changes in expectations.

Gains or losses on securities are determined on the specific identification basis. When a decline in the value of a specific investment is considered to be other-than-temporary at the balance sheet date, a provision for impairment is charged to earnings (included in realized gains (losses) on securities) and the cost basis of that investment is reduced. If management can assert that it does not intend to sell an impaired fixed maturity security and it is not more likely than not that it will have to sell the security before recovery of its amortized cost basis, then the other-than-temporary impairment is separated into two components: (i) the amount related to credit losses (recorded in earnings) and (ii) the amount related to all other factors (recorded in other comprehensive income). The credit-related portion of an other-than-temporary impairment is measured by comparing a security’s amortized cost to the present value of its current expected cash flows discounted at its effective yield prior to the

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AMERICAN FINANCIAL GROUP, INC. 10-Q

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — CONTINUED

impairment charge. Both components are shown in the Statement of Earnings. If management intends to sell an impaired security, or it is more likely than not that it will be required to sell the security before recovery, an impairment charge to earnings is recorded to reduce the amortized cost of that security to fair value.

Derivatives Derivatives included in AFG’s Balance Sheet are recorded at fair value. Changes in fair value of derivatives are included in earnings, unless the derivatives are designated and qualify as highly effective cash flow hedges. Derivatives that do not qualify for hedge accounting under GAAP consist primarily of (i) components of certain fixed maturity securities (primarily interest-only MBS) and (ii) the equity-based component of certain annuity products (included in annuity benefits accumulated) and related call options (included in other investments) designed to be consistent with the characteristics of the liabilities and used to mitigate the risk embedded in those annuity products.

To qualify for hedge accounting, at the inception of a derivative contract, AFG formally documents the relationship between the terms of the hedge and the hedged items and its risk management objective. This documentation includes defining how hedge effectiveness and ineffectiveness will be measured on a retrospective and prospective basis.

Changes in the fair value of derivatives that are designated and qualify as highly effective cash flow hedges are recorded in AOCI and are reclassified into earnings when the variability of the cash flows from the hedged items impacts earnings. Any hedge ineffectiveness is immediately recorded in current period earnings. When the change in the fair value of a qualifying cash flow hedge is included in earnings, it is included in the same line item in the Consolidated Statement of Earnings as the cash flows from the hedged item. AFG uses interest rate swaps that qualify as highly effective cash flow hedges to mitigate interest rate risk related to certain floating-rate securities included in AFG’s portfolio of fixed maturity securities.

For derivatives that are designated and qualify as highly effective fair value hedges, changes in the fair value of the derivative, along with changes in the fair value of the hedged item attributable to the hedged risk, are recognized in current period earnings. AFG has entered into an interest rate swap that qualifies as a highly effective fair value hedge to mitigate the interest rate risk associated with fixed-rate long-term debt by economically converting certain fixed-rate debt obligations to floating-rate obligations. Since the terms of the swap match the terms of the hedged debt, changes in the fair value of the swap are offset by changes in the fair value of the hedged debt attributable to changes in interest rates. Accordingly, the net impact on AFG’s current period earnings is that the interest expense associated with the hedged debt is effectively recorded at the floating rate.

Goodwill   Goodwill represents the excess of cost of subsidiaries over AFG’s equity in their underlying net assets. Goodwill is not amortized, but is subject to an impairment test at least annually. An entity is not required to complete the quantitative annual goodwill impairment test on a reporting unit if the entity elects to perform a qualitative analysis and determines that it is more likely than not that the reporting unit’s fair value exceeds its carrying amount.

Reinsurance Amounts recoverable from reinsurers are estimated in a manner consistent with the claim liability associated with the reinsured policies. AFG’s property and casualty insurance subsidiaries report as assets (i) the estimated reinsurance recoverable on paid and unpaid losses, including an estimate for losses incurred but not reported, and (ii) amounts paid or due to reinsurers applicable to the unexpired terms of policies in force. Payable to reinsurers includes ceded premiums due to reinsurers as well as ceded premiums retained by AFG’s property and casualty insurance subsidiaries under contracts to fund ceded losses as they become due. AFG’s insurance subsidiaries also assume reinsurance from other companies. Earnings on reinsurance assumed is recognized based on information received from ceding companies.

A subsidiary cedes life insurance policies to a third party on a funds withheld basis whereby the subsidiary retains the assets (securities) associated with the reinsurance contract. Interest is credited to the reinsurer based on the actual investment performance of the retained assets. This reinsurance contract is considered to contain an embedded derivative (that must be adjusted to fair value) because the yield on the payable is based on a specific block of the ceding company’s assets, rather than the overall creditworthiness of the ceding company. AFG determined that changes in the fair value of the underlying portfolio of fixed maturity securities is an appropriate measure of the value of the embedded derivative. The securities related to this contract are classified as “trading.” The adjustment to fair value on the embedded derivative offsets the investment income recorded on the adjustment to fair value of the related trading portfolio.

Deferred Policy Acquisition Costs (“DPAC”)   Policy acquisition costs (principally commissions, premium taxes and certain underwriting and policy issuance costs) directly related to the successful acquisition or renewal of an insurance contract are deferred. DPAC also includes capitalized costs associated with sales inducements offered to fixed annuity policyholders such as enhanced interest rates and premium and persistency bonuses.

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AMERICAN FINANCIAL GROUP, INC. 10-Q

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — CONTINUED

For the property and casualty companies, DPAC is limited based upon recoverability without any consideration for anticipated investment income and is charged against income ratably over the terms of the related policies. A premium deficiency is recognized if the sum of expected claims costs, claims adjustment expenses and unamortized acquisition costs exceed the related unearned premiums. A premium deficiency is first recognized by charging any unamortized acquisition costs to expense to the extent required to eliminate the deficiency. If the premium deficiency is greater than unamortized acquisition costs, a liability is accrued for the excess deficiency and reported with unpaid losses and loss adjustment expenses.

DPAC related to annuities is deferred to the extent deemed recoverable and amortized, with interest, in relation to the present value of actual and expected gross profits on the policies. Expected gross profits consist principally of estimated future investment margin (estimated future net investment income less interest credited on policyholder funds) and surrender, mortality, and other life and annuity policy charges, less death, annuitization and guaranteed withdrawal benefits in excess of account balances and estimated future policy administration expenses. To the extent that realized gains and losses result in adjustments to the amortization of DPAC related to annuities, such adjustments are reflected as components of realized gains (losses) on securities.

DPAC related to traditional life and health insurance is amortized over the expected premium paying period of the related policies, in proportion to the ratio of annual premium revenues to total anticipated premium revenues. See “Life, Accident and Health Reserves” below for details on the impact of loss recognition on the accounting for traditional life and health insurance contracts.

DPAC includes the present value of future profits on business in force of annuity and life, accident and health insurance companies acquired (“PVFP”). PVFP represents the portion of the costs to acquire companies that is allocated to the value of the right to receive future cash flows from insurance contracts existing at the date of acquisition. PVFP is amortized with interest in relation to expected gross profits of the acquired policies for annuities and universal life products and in relation to the premium paying period for traditional life and health insurance products.

DPAC and certain other balance sheet amounts related to annuity, long-term care and life businesses are also adjusted, net of tax, for the change in expense that would have been recorded if the unrealized gains (losses) from securities had actually been realized. These adjustments are included in unrealized gains (losses) on marketable securities, a component of AOCI in AFG’s Balance Sheet.

Managed Investment EntitiesA company is considered the primary beneficiary of, and therefore must consolidate, a variable interest entity (“VIE”) based primarily on its ability to direct the activities of the VIE that most significantly impact that entity’s economic performance and the obligation to absorb losses of, or receive benefits from, the entity that could potentially be significant to the VIE.

AFG manages, and has investments in, collateralized loan obligations (“CLOs”) that are VIEs (see Note H — “Managed Investment Entities”). Both the management fees (payment of which is subordinate to other obligations of the CLOs) and the investments in the CLOs are considered variable interests. AFG has determined that it is the primary beneficiary of the CLOs because (i) its role as asset manager gives it the power to direct the activities that most significantly impact the economic performance of the CLOs and (ii) it has exposure to CLO losses (through its investments in the CLO debt tranches) and the right to receive benefits (through its subordinated management fees and returns on its investments), both of which could potentially be significant to the CLOs.

In February 2015, the Financial Accounting Standards Board issued Accounting Standards Update (“ASU”) 2015-02, which amends certain consolidation accounting guidance, including the VIE guidance that applies to collateralized financing entities such as CLOs. The new guidance, which AFG intends to adopt effective January 1, 2016, will affect how fee arrangements with CLO asset managers impact the determination of the primary beneficiary of these entities. Due to the significance of AFG’s investments in the CLOs that it manages, management does not expect the new guidance to impact the consolidation of its currently outstanding CLOs. The new guidance also impacts the consolidation analysis that applies to limited partnerships and similar entities. Management does not expect this guidance to impact the accounting for AFG’s existing investments in those entities.

Because AFG has no right to use the CLO assets and no obligation to pay the CLO liabilities, the assets and liabilities of the CLOs are shown separately in AFG’s Balance Sheet. AFG has elected the fair value option for reporting on the CLO assets and liabilities to improve the transparency of financial reporting related to the CLOs. The net gain or loss from accounting for the CLO assets and liabilities at fair value is presented separately in AFG’s Statement of Earnings.

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Effective January 1, 2015, AFG adopted (on a modified retrospective basis) ASU 2014-13, which addresses the diversity in practice regarding the accounting for assets and liabilities of a consolidated collateralized financing entity (such as a CLO) when an election has been made to account for that entity’s assets and liabilities at fair value. The fair values of a CLO’s assets may differ from the separately measured fair values of its liabilities even though the CLO liabilities only have recourse to the CLO assets. Under the new guidance, AFG has elected to set the carrying value of the CLO liabilities equal to the fair value of the CLO assets (which have more observable fair values) as an alternative to reporting those liabilities at a separately measured fair value. CLO earnings attributable to AFG’s shareholders continue to be measured by the change in the fair value of AFG’s investments in the CLOs and management fees earned.

Prior to the adoption of this guidance, measuring both the CLO assets and CLO liabilities at separately determined fair values resulted in a difference between the carrying value of the CLO assets and the carrying value of the CLO liabilities that was not attributable to AFG’s ownership interest in the CLOs and CLO earnings (losses) that were not attributable to AFG’s shareholders. Accordingly, in periods prior to 2015, the difference between the fair value of the CLO assets and the fair value of the CLO liabilities was recorded as “appropriated retained earnings — managed investment entities” in AFG’s Balance Sheet and the earnings (losses) that were not attributable to AFG’s shareholders were included in net earnings (loss) attributable to noncontrolling interests in AFG’s Statement of Earnings.

Under the guidance adopted in 2015, there is no longer any excess carrying value of CLO assets over the carrying value of CLO liabilities to be reported as “appropriated retained earnings — managed investment entities” in AFG’s Balance Sheet or any CLO earnings to be attributed to noncontrolling interests in AFG’s Statement of Earnings. In accordance with the guidance, the amount reported as “appropriated retained earnings — managed investment entities” at December 31, 2014 was reclassified to “liabilities of managed investment entities” on January 1, 2015 as the cumulative effect of an accounting change. While the new guidance impacted the presentation of individual CLO-related line items in AFG’s Statement of Earnings, it had no overall impact on AFG’s Net Earnings Attributable to Shareholders.

At September 30, 2015, assets and liabilities of managed investment entities included $92 million in assets and $77 million in liabilities of a temporary warehousing entity that was established in connection with the formation of a new CLO that is expected to close in the first quarter of 2016. Upon closing, all warehoused assets are expected to be transferred to the new CLO and the liabilities will be repaid.

Unpaid Losses and Loss Adjustment Expenses   The net liabilities stated for unpaid claims and for expenses of investigation and adjustment of unpaid claims represent management’s best estimate and are based upon (i) the accumulation of case estimates for losses reported prior to the close of the accounting period on direct business written; (ii) estimates received from ceding reinsurers and insurance pools and associations; (iii) estimates of unreported losses (including possible development on known claims) based on past experience; (iv) estimates based on experience of expenses for investigating and adjusting claims; and (v) the current state of the law and coverage litigation. Establishing reserves for asbestos, environmental and other mass tort claims involves considerably more judgment than other types of claims due to, among other things, inconsistent court decisions, an increase in bankruptcy filings as a result of asbestos-related liabilities, novel theories of coverage, and judicial interpretations that often expand theories of recovery and broaden the scope of coverage.

Loss reserve liabilities are subject to the impact of changes in claim amounts and frequency and other factors. Changes in estimates of the liabilities for losses and loss adjustment expenses are reflected in the Statement of Earnings in the period in which determined. Despite the variability inherent in such estimates, management believes that the liabilities for unpaid losses and loss adjustment expenses are adequate.

Annuity Benefits Accumulated   Annuity receipts and benefit payments are recorded as increases or decreases in annuity benefits accumulated rather than as revenue and expense. Increases in this liability for interest credited are charged to expense and decreases for policy charges are credited to other income.

For certain products, annuity benefits accumulated also includes reserves for accrued persistency and premium bonuses, guaranteed withdrawals and excess benefits expected to be paid on future deaths and annuitizations (“EDAR”). The liabilities for EDAR and guaranteed withdrawals are accrued for and modified using assumptions consistent with those used in determining DPAC and DPAC amortization, except that amounts are determined in relation to the present value of total expected assessments. Total expected assessments consist principally of estimated future investment margin, surrender, mortality, and other life and annuity policy charges, and unearned revenues once they are recognized as income.

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Annuity benefits accumulated also includes amounts advanced from the Federal Home Loan Bank of Cincinnati.

Unearned Revenue   Certain upfront policy charges on annuities are deferred as unearned revenue (included in other liabilities) and recognized in net earnings using the same assumptions and estimated gross profits used to amortize DPAC.

Life, Accident and Health Reserves Liabilities for future policy benefits under traditional life, accident and health policies are computed using the net level premium method. Computations are based on the original projections of investment yields, mortality, morbidity and surrenders and include provisions for unfavorable deviations unless a loss recognition event (premium deficiency) occurs. Claim reserves and liabilities established for accident and health claims are modified as necessary to reflect actual experience and developing trends.

For long-duration contracts (such as traditional life and long-term care policies), loss recognition occurs when, based on current expectations as of the measurement date, existing contract liabilities plus the present value of future premiums (including reasonably expected rate increases) are not expected to cover the present value of future claims payments and related settlement and maintenance costs (excluding overhead) as well as unamortized acquisition costs. If a block of business is determined to be in loss recognition, a charge is recorded in earnings in an amount equal to the excess of the present value of expected future claims costs and unamortized acquisition costs over existing reserves plus the present value of expected future premiums (with no provision for adverse deviation). The charge is recorded first to reduce unamortized acquisition costs and then as an additional reserve (if unamortized acquisition costs have been reduced to zero).

In addition, reserves for traditional life and long-term care policies are subject to adjustment for loss recognition charges that would have been recorded if the unrealized gains from securities had actually been realized. This adjustment is included in unrealized gains (losses) on marketable securities, a component of AOCI in AFG’s Balance Sheet.

Variable Annuity Assets and Liabilities   Separate accounts related to variable annuities represent the fair value of deposits invested in underlying investment funds on which AFG earns a fee. Investment funds are selected and may be changed only by the policyholder, who retains all investment risk.

AFG’s variable annuity contracts contain a guaranteed minimum death benefit (“GMDB”) to be paid if the policyholder dies before the annuity payout period commences. In periods of declining equity markets, the GMDB may exceed the value of the policyholder’s account. A GMDB liability is established for future excess death benefits using assumptions together with a range of reasonably possible scenarios for investment fund performance that are consistent with DPAC capitalization and amortization assumptions.

Premium Recognition   Property and casualty premiums are earned generally over the terms of the policies on a pro rata basis. Unearned premiums represent that portion of premiums written which is applicable to the unexpired terms of policies in force. On reinsurance assumed from other insurance companies or written through various underwriting organizations, unearned premiums are based on information received from such companies and organizations. For traditional life, accident and health products, premiums are recognized as revenue when legally collectible from policyholders. For interest-sensitive life and universal life products, premiums are recorded in a policyholder account, which is reflected as a liability. Revenue is recognized as amounts are assessed against the policyholder account for mortality coverage and contract expenses.

Noncontrolling Interests   For Balance Sheet purposes, noncontrolling interests represents the interests of shareholders other than AFG in consolidated entities. In the Statement of Earnings, net earnings and losses attributable to noncontrolling interests represents such shareholders’ interest in the earnings and losses of those entities.

Income Taxes   Deferred income taxes are calculated using the liability method. Under this method, deferred income tax assets and liabilities are determined based on differences between financial reporting and tax bases and are measured using enacted tax rates. A valuation allowance is established to reduce total deferred tax assets to an amount that will more likely than not be realized.

AFG recognizes the tax benefits of uncertain tax positions only when the position is more likely than not to be sustained under examination by the appropriate taxing authority. Interest and penalties on AFG’s reserve for uncertain tax positions are recognized as a component of tax expense.

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Stock-Based Compensation   All share-based grants are recognized as compensation expense on a straight-line basis over their vesting periods based on their calculated fair value at the date of grant. AFG uses the Black-Scholes pricing model to measure the fair value of employee stock options. See Note K —“Shareholders’ Equity” for further information.

Benefit Plans   AFG provides retirement benefits to qualified employees of participating companies through the AFG 401(k) Retirement and Savings Plan, a defined contribution plan. AFG makes all contributions to the retirement fund portion of the plan and matches a percentage of employee contributions to the savings fund. Company contributions are expensed in the year for which they are declared. AFG and many of its subsidiaries provide health care and life insurance benefits to eligible retirees. AFG also provides postemployment benefits to former or inactive employees (primarily those on disability) who were not deemed retired under other company plans. The projected future cost of providing these benefits is expensed over the period employees earn such benefits.

Earnings Per Share   Although basic earnings per share only considers shares of common stock outstanding during the period, the calculation of diluted earnings per share includes the following adjustments to weighted average common shares related to stock-based compensation plans: third quarter of 2015 and 2014 — 1.8 million and 1.9 million; first nine months of 2015 and 2014 — 1.8 million and 2.0 million, respectively.

AFG’s weighted average diluted shares outstanding excludes the following anti-dilutive potential common shares related to stock compensation plans: third quarter of 2015 and 2014 — 0.9 million and 1.2 million; first nine months of 2015 and 2014 — 1.2 million and 1.0 million, respectively. Adjustments to net earnings attributable to shareholders in the calculation of diluted earnings per share were nominal in the 2015 and 2014 periods.

Statement of Cash Flows   For cash flow purposes, “investing activities” are defined as making and collecting loans and acquiring and disposing of debt or equity instruments and property and equipment. “Financing activities” include obtaining resources from owners and providing them with a return on their investments, borrowing money and repaying amounts borrowed. Annuity receipts, surrenders, benefits and withdrawals are also reflected as financing activities. All other activities are considered “operating.” Short-term investments having original maturities of three months or less when purchased are considered to be cash equivalents for purposes of the financial statements.

B.     Acquisitions and Sale of Businesses

Acquisition of Summit Holding Southeast, Inc. On April 1, 2014, AFG acquired Summit Holding Southeast, Inc. and its related companies (“Summit”), from Liberty Mutual Insurance for $259 million using cash on hand at the parent company. Immediately following the acquisition, AFG made a capital contribution of $140 million, bringing its total capital investment in the Summit business to $399 million. Summit, which is based in Lakeland, Florida and is a leading provider of specialty workers’ compensation solutions in the southeastern United States, generated $539 million in net written premiums in 2014, including $410 million after the acquisition date. Summit continues to operate under the Summit brand as a member of AFG’s Great American Insurance Group. Summit is included in the Specialty casualty sub-segment and generated $128 million and $386 million in net earned premiums in the third quarter and first nine months of 2015, respectively.

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Expenses related to the acquisition were less than $1 million and were expensed as incurred. The purchase price was allocated to the acquired assets and liabilities of Summit based on management’s best estimate of fair value as of the acquisition date. The allocation of the purchase price is shown in the table below (in millions):

Total purchase price			$	259
Tangible assets acquired:
Cash and cash equivalents	$	1,078
Fixed maturities, available for sale	92
Recoverables from reinsurers	116
Agents’ balances and premiums receivable	41
Deferred tax assets, net (a)	67
Other receivables	21
Other assets	11
Total tangible assets acquired			1,426
Liabilities acquired:
Unpaid losses and loss adjustment expenses	1,142
Unearned premiums	3
Payable to reinsurers	3
Other liabilities	66
Total liabilities acquired			1,214
Net tangible assets acquired, at fair value			212
Excess purchase price over net tangible assets acquired			$	47
Allocation of excess purchase price:
Intangible assets acquired (b)			$	47
Deferred tax on intangible assets acquired (a)			(16		)
Goodwill			16
			$	47

(a) AFG’s net deferred tax assets are included in Other assets in AFG’s Consolidated Balance Sheet at September 30, 2015.

(b) Included in Other assets in AFG’s Consolidated Balance Sheet.

Acquisition of Renewal Rights On March 27, 2014, AFG completed a renewal rights agreement with Selective Insurance Company of America to acquire Selective’s pooled public entity book of business for $8 million. At the acquisition date, this book of business had approximately $38 million in in-force gross written premiums. The acquired business generated $33 million of gross written premiums and $23 million of net written premiums in 2014.

Sale of Long-term Care Business AFG ceased new sales of long-term care insurance, which is included in the run-off long-term care and life segment, in January 2010. AFG has continued to service and accept renewal premiums on its outstanding policies, which are guaranteed renewable. On April 13, 2015, AFG reached an agreement to sell substantially all of its run-off long-term care insurance business to HC2 Holdings, Inc. (“HC2”) for an initial payment of $7 million in cash and HC2 securities (subject to adjustment based on certain items, including operating results through the closing date). AFG may also receive up to $13 million of additional proceeds from HC2 in the future based on the release of certain statutory liabilities of the legal entities sold by AFG. The legal entities involved in the transaction, United Teacher Associates Insurance Company and Continental General Insurance Company, contain substantially all of AFG’s long-term care insurance reserves, as well as smaller blocks of annuity and life insurance business. The transaction is expected to close before the end of 2015, subject to customary conditions, including receipt of required regulatory approvals.

Including the significant tax benefit from the sale, AFG expects to receive after-tax proceeds of between $105 million and $115 million from the transaction (based on final proceeds received and final net assets at closing), excluding any potential additional proceeds from the release of statutory liabilities.

Based on the status of ongoing negotiations at the end of the first quarter, management determined that the potential sale of the run-off long-term care business met the GAAP “held for sale” criteria as of March 31, 2015. Accordingly, AFG recorded a loss

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in the first quarter of 2015 to establish a liability (included in other liabilities in AFG’s Balance Sheet) equal to the excess of the net carrying value of the assets and liabilities to be disposed over the estimated net sale proceeds. The loss may be adjusted at the closing date based on the final proceeds received and final net assets disposed. At March 31, 2015, and September 30, 2015, the carrying value of the assets and liabilities to be disposed represented approximately 4% of both AFG’s assets and liabilities and are detailed in the table below.

Under accounting guidance effective on January 1, 2015, only disposals of components of an entity that represent a strategic shift and that have a major effect on a reporting entity’s operations and financial results are reported as discontinued operations. Due to the run-off nature of the business and the immaterial expected impact on AFG’s results of operations, the pending sale of AFG’s long-term care insurance business has not been reported as a discontinued operation.

The estimated impact of the pending sale of the run-off long-term care insurance business, which was recorded in AFG’s financial statements as of March 31, 2015, is shown below (in millions):

Estimated sale proceeds (*)	$	14
Assets of businesses sold:
Cash and investments	$	1,397
Recoverables from reinsurers	603
Deferred policy acquisition costs	15
Other receivables	14
Other assets	7
Goodwill	2
Total assets	2,038
Liabilities of businesses sold:
Annuity benefits accumulated	270
Life, accident and health reserves	1,537
Other liabilities	27
Total liabilities	1,834
Reclassify net unrealized gain on marketable securities	28
Net assets of businesses sold	$	176
Pretax loss on subsidiaries recorded in the first quarter of 2015	$	(162	)

(*) Includes fair value of the potential additional consideration and is shown net of estimated expenses.

Revenues, costs and expenses, and earnings before income taxes for the subsidiaries to be sold were (in millions):

	Three months ended September 30,						Nine months ended September 30,
	2015			2014			2015			2014
Life, accident and health net earned premiums:
Long-term care	$	19		$	18		$	56		$	56
Life operations	3			3			8			8
Net investment income	19			18			56			57
Realized gains (losses) on securities and other income	(4		)	(1		)	(6		)	1
Total revenues	37			38			114			122
Annuity benefits	2			2			6			6
Life, accident and health benefits:
Long-term care	21			27			67			84
Life operations	3			3			8			9
Annuity and supplemental insurance acquisition expenses	3			3			9			10
Other expenses	4			3			13			10
Total costs and expenses	33			38			103			119
Earnings before income taxes	$	4		$	—		$	11		$	3

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C.    Segments of Operations

AFG manages its business as four segments: (i) Property and casualty insurance, (ii) Annuity, (iii) Run-off long-term care and life and (iv) Other, which includes holding company costs and the operations attributable to the noncontrolling interests of the managed investment entities.

AFG reports its property and casualty insurance business in the following Specialty sub-segments: (i) Property and transportation, which includes physical damage and liability coverage for buses, trucks and recreational vehicles, inland and ocean marine, agricultural-related products and other property coverages, (ii) Specialty casualty, which includes primarily excess and surplus, general liability, executive liability, professional liability, umbrella and excess liability, specialty coverage

in targeted markets, customized programs for small to mid-sized businesses and workers’ compensation insurance, and (iii) Specialty financial, which includes risk management insurance programs for leasing and financing institutions (including collateral and lender-placed mortgage property insurance), surety and fidelity products and trade credit insurance. Premiums and underwriting profit included under Other specialty represent business assumed by AFG’s internal reinsurance program from the operations that make up AFG’s other Specialty sub-segments and amortization of deferred gains on retroactive reinsurance transactions related to the sales of businesses in prior years. AFG’s annuity business markets traditional fixed and fixed-indexed annuities in the retail, financial institutions and education markets. AFG’s reportable segments and their components were determined based primarily upon similar economic characteristics, products and services.

The following tables (in millions) show AFG’s revenues and earnings before income taxes by segment and sub-segment.

	Three months ended September 30,					Nine months ended September 30,
	2015			2014		2015			2014
Revenues
Property and casualty insurance:
Premiums earned:
Specialty
Property and transportation	$	517		$	504	$	1,157		$	1,129
Specialty casualty	503			486		1,496			1,266
Specialty financial	131			115		380			348
Other specialty	22			27		71			74
Total premiums earned	1,173			1,132		3,104			2,817
Net investment income	83			76		245			219
Other income (*)	2			4		61			8
Total property and casualty insurance	1,258			1,212		3,410			3,044
Annuity:
Net investment income	317			287		915			851
Other income	22			20		68			57
Total annuity	339			307		983			908
Run-off long-term care and life	49			48		144			147
Other	49			1		137			41
Total revenues before realized gains (losses)	1,695			1,568		4,674			4,140
Realized gains (losses) on securities	(16		)	13		2			44
Realized gain (loss) on subsidiaries	5			—		(157		)	—
Total revenues	$	1,684		$	1,581	$	4,519		$	4,184

(*) Includes pretax income of $51 million (before noncontrolling interest) from the sale of the Le Pavillon Hotel in the second quarter of 2015.

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	Three months ended September 30,						Nine months ended September 30,
	2015			2014			2015			2014
Earnings Before Income Taxes
Property and casualty insurance:
Underwriting:
Specialty
Property and transportation	$	20		$	11		$	14		$	(1	)
Specialty casualty	31			32			96			100
Specialty financial	26			21			72			46
Other specialty	7			6			13			13
Other lines (a)	(69		)	(24		)	(70		)	(25		)
Total underwriting	15			46			125			133
Investment and other income, net (b)	75			64			272			180
Total property and casualty insurance	90			110			397			313
Annuity	67			86			230			243
Run-off long-term care and life	6			1			14			(3		)
Other (c)	(53		)	(65		)	(131		)	(161		)
Total earnings before realized gains (losses) and income taxes	110			132			510			392
Realized gains (losses) on securities	(16		)	13			2			44
Realized gain (loss) on subsidiaries	5			—			(157		)	—
Total earnings before income taxes	$	99		$	145		$	355		$	436

(a) Includes special charges of $67 million and $24 million in the third quarter of 2015 and 2014, respectively, to increase asbestos and environmental (“A&E”) reserves.

(b) Includes pretax income of $51 million (before noncontrolling interest) from the sale of the Le Pavillon Hotel in the second quarter of 2015.

(c) Primarily holding company expenses, including a $4 million loss on retirement of debt in the third quarter of 2015 and special charges of $12 million and $6 million in the third quarters of 2015 and 2014, respectively, to increase A&E reserves related to AFG’s former railroad and manufacturing operations. Also includes losses of managed investment entities attributable to noncontrolling interest of $29 million for the third quarter and $47 million for the first nine months of 2014. Following the adoption of new guidance in the first quarter of 2015, there are no longer earnings (losses) of managed investment entities that are attributable to noncontrolling interests. See Note A — “Accounting Policies — Managed Investment Entities.”

D.    Fair Value Measurements

Accounting standards for measuring fair value are based on inputs used in estimating fair value. The three levels of the hierarchy are as follows:

Level 1 — Quoted prices for identical assets or liabilities in active markets (markets in which transactions occur with sufficient frequency and volume to provide pricing information on an ongoing basis). AFG’s Level 1 financial instruments consist primarily of publicly traded equity securities and highly liquid government bonds for which quoted market prices in active markets are available and short-term investments of managed investment entities.

Level 2 — Quoted prices for similar instruments in active markets; quoted prices for identical or similar assets or liabilities in inactive markets (markets in which there are few transactions, the prices are not current, price quotations vary substantially over time or among market makers, or in which little information is released publicly); and valuations based on other significant inputs that are observable in active markets. AFG’s Level 2 financial instruments include separate account assets, corporate and municipal fixed maturity securities, mortgage-backed securities (“MBS”) and investments of managed investment entities priced using observable inputs. Level 2 inputs include benchmark yields, reported trades, corroborated broker/dealer quotes, issuer spreads and benchmark securities. When non-binding broker quotes can be corroborated by comparison to similar securities priced using observable inputs, they are classified as Level 2.

Level 3 — Valuations derived from market valuation techniques generally consistent with those used to estimate the fair values of Level 2 financial instruments in which one or more significant inputs are unobservable or when the market for a security

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exhibits significantly less liquidity relative to markets supporting Level 2 fair value measurements. The unobservable inputs may include management’s own assumptions about the assumptions market participants would use based on the best information available in the circumstances. AFG’s Level 3 is comprised of financial instruments whose fair value is estimated based on non-binding broker quotes or internally developed using significant inputs not based on, or corroborated by, observable market information, and prior to 2015 certain liabilities of the CLOs.

Under new guidance adopted in the first quarter of 2015, discussed in Note A — “Accounting Policies — Managed Investment Entities,” AFG has elected to set the carrying value of the CLO liabilities equal to the fair value of the CLO assets (which have more observable fair values) as an alternative to reporting those liabilities at separately measured fair values. Following the adoption of the new guidance, the CLO liabilities are categorized within the fair value hierarchy on the same basis (proportionally) as the related CLO assets. Since the portion of the CLO liabilities allocated to Level 3 is derived from the fair value of the CLO assets, beginning with the first quarter of 2015, these amounts are excluded from the progression of Level 3 financial instruments.

AFG’s management is responsible for the valuation process and uses data from outside sources (including nationally recognized pricing services and broker/dealers) in establishing fair value. AFG’s internal investment professionals are a group of approximately 20 analysts whose primary responsibility is to manage AFG’s investment portfolio. These professionals monitor individual investments as well as overall industries and are active in the financial markets on a daily basis. The group is led by AFG’s chief investment officer, who reports directly to one of AFG’s Co-CEOs. Valuation techniques utilized by pricing services and prices obtained from external sources are reviewed by AFG’s internal investment professionals who are familiar with the securities being priced and the markets in which they trade to ensure the fair value determination is representative of an exit price. To validate the appropriateness of the prices obtained, these investment managers consider widely published indices (as benchmarks), recent trades, changes in interest rates, general economic conditions and the credit quality of the specific issuers. In addition, the Company communicates directly with the pricing service regarding the methods and assumptions used in pricing, including verifying, on a test basis, the inputs used by the service to value specific securities.

In April 2015, AFG reached an agreement to sell all of its run-off long-term care insurance business. As discussed in Note B — “Acquisitions and Sale of Businesses,” AFG recorded a loss in the first quarter of 2015 to write down the net carrying value of the assets and liabilities to be disposed to the estimated net sale proceeds of $14 million (estimated fair value less costs to sell). The estimate of fair value was derived using significant unobservable inputs (Level 3).

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Assets and liabilities measured and carried at fair value in the financial statements are summarized below (in millions):

	Level 1		Level 2			Level 3		Total
September 30, 2015
Assets:
Available for sale (“AFS”) fixed maturities:
U.S. Government and government agencies	$	115	$	205		$	15	$	335
States, municipalities and political subdivisions	—		7,073			93		7,166
Foreign government	—		166			—		166
Residential MBS	—		3,585			294		3,879
Commercial MBS	—		2,252			45		2,297
Asset-backed securities (“ABS”)	—		4,252			449		4,701
Corporate and other	48		13,876			646		14,570
Total AFS fixed maturities	163		31,409			1,542		33,114
Trading fixed maturities	13		256			—		269
Equity securities	1,473		235			123		1,831
Assets of managed investment entities (“MIE”)	155		3,432			26		3,613
Variable annuity assets (separate accounts) (*)	—		595			—		595
Other investments — derivatives	—		122			—		122
Other assets — derivatives	—		8			—		8
Total assets accounted for at fair value	$	1,804	$	36,057		$	1,691	$	39,552
Liabilities:
Liabilities of managed investment entities	$	141	$	3,123		$	23	$	3,287
Derivatives in annuity benefits accumulated	—		—			1,198		1,198
Derivatives in long-term debt	—		(7		)	—		(7		)
Other liabilities — derivatives	—		9			—		9
Total liabilities accounted for at fair value	$	141	$	3,125		$	1,221	$	4,487
December 31, 2014
Assets:
Available for sale fixed maturities:
U.S. Government and government agencies	$	164	$	174		$	15	$	353
States, municipalities and political subdivisions	—		6,647			100		6,747
Foreign government	—		194			—		194
Residential MBS	—		4,142			300		4,442
Commercial MBS	—		2,407			44		2,451
Asset-backed securities	—		3,661			226		3,887
Corporate and other	36		12,078			546		12,660
Total AFS fixed maturities	200		29,303			1,231		30,734
Trading fixed maturities	12		254			—		266
Equity securities	1,306		297			93		1,696
Assets of managed investment entities	174		2,903			31		3,108
Variable annuity assets (separate accounts) (*)	—		662			—		662
Other investments — derivatives	—		322			—		322
Total assets accounted for at fair value	$	1,692	$	33,741		$	1,355	$	36,788
Liabilities:
Liabilities of managed investment entities	$	118	$	—		$	2,701	$	2,819
Derivatives in annuity benefits accumulated	—		—			1,160		1,160
Other liabilities — derivatives	—		13			—		13
Total liabilities accounted for at fair value	$	118	$	13		$	3,861	$	3,992

(*) Variable annuity liabilities equal the fair value of variable annuity assets.

18

AMERICAN FINANCIAL GROUP, INC. 10-Q

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — CONTINUED

Transfers between Level 1 and Level 2 for all periods presented were a result of increases or decreases in trade frequency.

During the third quarter of 2015, there was one common stock with a fair value of less than $1 million transferred from Level 2 to Level 1. During the first nine months of 2015, there were seven common stocks, four perpetual preferred stocks and one mandatory redeemable preferred stock with aggregate fair values of $80 million, $19 million and $10 million, respectively, that transferred from Level 2 to Level 1. During the third quarter and nine months ended September 30, 2014, there were fourteen perpetual preferred stocks with an aggregate fair value of $96 million transferred from Level 2 to Level 1.

During the third quarter and first nine months of 2015, seven perpetual preferred stocks with a fair value of $31 million were transferred from Level 1 to Level 2. During the third quarter ended September 30, 2014, there were no transfers from Level 1 to Level 2. During the nine months ended September 30, 2014, nine perpetual preferred stocks with an aggregate fair value of $55 million were transferred from Level 1 to Level 2.

Approximately 4% of the total assets carried at fair value on September 30, 2015, were Level 3 assets. Approximately 71% ($1.20 billion) of the Level 3 assets were priced using non-binding broker quotes, for which there is a lack of transparency as to the inputs used to determine fair value. Details as to the quantitative inputs are neither provided by the brokers nor otherwise reasonably obtainable by AFG. Since internally developed Level 3 asset fair values represent approximately 1% of the total assets measured at fair value and approximately 8% of AFG’s shareholders’ equity, changes in unobservable inputs used to determine internally developed fair values would not have a material impact on AFG’s financial position.

The only significant Level 3 assets or liabilities carried at fair value in the financial statements that were not measured using broker quotes are the derivatives embedded in AFG’s fixed-indexed annuity liabilities, which are measured using a discounted cash flow approach and had a fair value of $1.20 billion at September 30, 2015. The following table presents information about the unobservable inputs used by management in determining fair value of these embedded derivatives. See Note F — “Derivatives.”

Unobservable Input	Range
Adjustment for insurance subsidiary’s credit risk	0.30% – 2.60% over the risk free rate
Risk margin for uncertainty in cash flows	0.52% reduction in the discount rate
Surrenders	4% – 16% of indexed account value
Partial surrenders	2% – 10% of indexed account value
Annuitizations	1% – 1.5% of indexed account value
Deaths	1.5% – 3.0% of indexed account value
Budgeted option costs	2.25% – 3.50% of indexed account value

The range of adjustments for insurance subsidiary’s credit risk reflects credit spread variations across the yield curve. The range of projected surrender rates reflects the specific surrender charges and other features of AFG’s individual fixed-indexed annuity products with an expected range of 5% to 11% in the majority of future calendar years (4% to 16% over all periods). Increasing the budgeted option cost or risk margin for uncertainty in cash flows assumptions in the table above would increase the fair value of the fixed-indexed annuity embedded derivatives, while increasing any of the other unobservable inputs in the table above would decrease the fair value of the embedded derivatives.

19

AMERICAN FINANCIAL GROUP, INC. 10-Q

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — CONTINUED

Changes in balances of Level 3 financial assets and liabilities carried at fair value during the third quarter and first nine months of 2015 and 2014 are presented below (in millions). The transfers into and out of Level 3 were due to changes in the availability of market observable inputs. All transfers are reflected in the table at fair value as of the end of the reporting period.

				Total realized/unrealized gains (losses) included in
	Balance at June 30, 2015			Net income			Other comprehensive income (loss)			Purchases and issuances			Sales and settlements			Transfer into Level 3		Transfer out of Level 3			Balance at September 30, 2015
AFS fixed maturities:
U.S. government agency	$	15		$	—		$	—		$	—		$	—		$	—	$	—		$	15
State and municipal	84			—			1			9			(1		)	—		—			93
Residential MBS	296			(3		)	(1		)	—			(8		)	10		—			294
Commercial MBS	48			—			(1		)	—			(1		)	—		(1		)	45
Asset-backed securities	332			—			—			110			(3		)	20		(10		)	449
Corporate and other	597			—			7			24			(13		)	31		—			646
Equity securities	118			—			(2		)	7			—			—		—			123
Assets of MIE	29			(3		)	—			—			—			—		—			26
Embedded derivatives	(1,258		)	130			—			(88		)	18			—		—			(1,198		)

				Total realized/unrealized gains (losses) included in
	Balance at June 30, 2014			Net income			Other comprehensive income (loss)			Purchases and issuances			Sales and settlements			Transfer into Level 3		Transfer out of Level 3			Balance at September 30, 2014
AFS fixed maturities:
U.S. government agency	$	15		$	—		$	—		$	—		$	—		$	—	$	—		$	15
State and municipal	61			(1		)	(1		)	—			—			7		—			66
Residential MBS	256			—			(1		)	8			(8		)	20		(12		)	263
Commercial MBS	28			(1		)	—			—			—			—		—			27
Asset-backed securities	204			—			(3		)	8			(7		)	—		(23		)	179
Corporate and other	313			(1		)	1			51			(13		)	91		—			442
Equity securities	81			—			(2		)	2			—			—		—			81
Assets of MIE	27			—			—			3			(1		)	—		—			29
Liabilities of MIE (*)	(2,322		)	5			—			(135		)	69			—		—			(2,383		)
Embedded derivatives	(1,026		)	(21		)	—			(51		)	13			—		—			(1,085		)

(*) Total realized/unrealized gains (losses) included in net income includes gains of $6 million related to liabilities outstanding as of September 30, 2014. See Note H — “Managed Investment Entities.”

20

AMERICAN FINANCIAL GROUP, INC. 10-Q

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — CONTINUED

						Total realized/unrealized gains (losses) included in
	Balance at December 31, 2014			Impact of accounting change (*)		Net income			Other comprehensive income (loss)			Purchases and issuances			Sales and settlements			Transfer into Level 3		Transfer out of Level 3			Balance at September 30, 2015
AFS fixed maturities:
U.S. government agency	$	15		$	—	$	—		$	—		$	—		$	—		$	—	$	—		$	15
State and municipal	100			—		—			(1		)	34			(1		)	—		(39		)	93
Residential MBS	300			—		(5		)	—			—			(24		)	67		(44		)	294
Commercial MBS	44			—		—			(1		)	—			(1		)	4		(1		)	45
Asset-backed securities	226			—		1			—			230			(51		)	53		(10		)	449
Corporate and other	546			—		(3		)	(4		)	103			(37		)	41		—			646
Equity securities	93			—		(4		)	(1		)	52			—			—		(17		)	123
Assets of MIE	31			—		(9		)	—			4			—			—		—			26
Liabilities of MIE	(2,701		)	2,701		—			—			—			—			—		—			—
Embedded derivatives	(1,160		)	—		99			—			(183		)	46			—		—			(1,198		)

(*) The impact of implementing new guidance adopted in 2015, as discussed above and in Note A — “Accounting Policies — Managed Investment Entities.”

				Total realized/unrealized gains (losses) included in
	Balance at December 31, 2013			Net income			Other comprehensive income (loss)			Purchases and issuances			Sales and settlements			Transfer into Level 3		Transfer out of Level 3			Balance at September 30, 2014
AFS fixed maturities:
U.S. government agency	$	15		$	—		$	—		$	—		$	—		$	—	$	—		$	15
State and municipal	61			(1		)	(1		)	—			—			7		—			66
Residential MBS	316			3			5			8			(23		)	58		(104		)	263
Commercial MBS	28			(1		)	—			—			—			—		—			27
Asset-backed securities	75			3			(2		)	68			(23		)	81		(23		)	179
Corporate and other	335			4			4			72			(59		)	91		(5		)	442
Equity securities	31			1			2			48			(9		)	22		(14		)	81
Assets of MIE	30			(2		)	—			3			(2		)	—		—			29
Liabilities of MIE (*)	(2,411		)	(3		)	—			(335		)	366			—		—			(2,383		)
Embedded derivatives	(804		)	(153		)	—			(162		)	34			—		—			(1,085		)

(*) Total realized/unrealized gains (losses) included in net income includes gains of $12 million related to liabilities outstanding as of September 30, 2014. See Note H — “Managed Investment Entities.”

21

AMERICAN FINANCIAL GROUP, INC. 10-Q

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — CONTINUED

Fair Value of Financial Instruments   The carrying value and fair value of financial instruments that are not carried at fair value in the financial statements are summarized below (in millions):

	Carrying Value		Fair Value		Level 1		Level 2		Level 3
September 30, 2015
Financial assets:
Cash and cash equivalents	$	894	$	894	$	894	$	—	$	—
Mortgage loans	994		1,005		—		—		1,005
Policy loans	221		221		—		—		221
Total financial assets not accounted for at fair value	$	2,109	$	2,120	$	894	$	—	$	1,226
Financial liabilities:
Annuity benefits accumulated (*)	$	25,825	$	25,083	$	—	$	—	$	25,083
Long-term debt	887		987		—		962		25
Total financial liabilities not accounted for at fair value	$	26,712	$	26,070	$	—	$	962	$	25,108
December 31, 2014
Financial assets:
Cash and cash equivalents	$	1,343	$	1,343	$	1,343	$	—	$	—
Mortgage loans	1,117		1,124		—		—		1,124
Policy loans	228		228		—		—		228
Total financial assets not accounted for at fair value	$	2,688	$	2,695	$	1,343	$	—	$	1,352
Financial liabilities:
Annuity benefits accumulated (*)	$	23,561	$	23,187	$	—	$	—	$	23,187
Long-term debt	1,061		1,180		—		1,106		74
Total financial liabilities not accounted for at fair value	$	24,622	$	24,367	$	—	$	1,106	$	23,261

(*) Excludes $201 million and $203 million of life contingent annuities in the payout phase at September 30, 2015 and December 31, 2014, respectively.

The carrying amount of cash and cash equivalents approximates fair value. Fair values for mortgage loans are estimated by discounting the future contractual cash flows using the current rates at which similar loans would be made to borrowers with similar credit ratings. The fair value of policy loans is estimated to approximate carrying value; policy loans have no defined maturity dates and are inseparable from insurance contracts. The fair value of annuity benefits was estimated based on expected cash flows discounted using forward interest rates adjusted for the Company’s credit risk and includes the impact of maintenance expenses and capital costs. Fair values of long-term debt are based primarily on quoted market prices.

22

AMERICAN FINANCIAL GROUP, INC. 10-Q

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — CONTINUED

E.    Investments

Available for sale fixed maturities and equity securities at September 30, 2015 and December 31, 2014, consisted of the following (in millions):

	September 30, 2015									December 31, 2014
	Amortized Cost		Fair Value		Gross Unrealized					Amortized Cost		Fair Value		Gross Unrealized
					Gains		Losses							Gains		Losses
Fixed maturities:
U.S. Government and government agencies	$	329	$	335	$	8	$	(2	)	$	347	$	353	$	8	$	(2	)
States, municipalities and political subdivisions	6,874		7,166		321		(29		)	6,393		6,747		364		(10		)
Foreign government	157		166		9		—			184		194		10		—
Residential MBS	3,540		3,879		354		(15		)	4,046		4,442		411		(15		)
Commercial MBS	2,185		2,297		112		—			2,294		2,451		158		(1		)
Asset-backed securities	4,673		4,701		47		(19		)	3,872		3,887		37		(22		)
Corporate and other	14,110		14,570		606		(146		)	11,938		12,660		751		(29		)
Total fixed maturities	$	31,868	$	33,114	$	1,457	$	(211	)	$	29,074	$	30,734	$	1,739	$	(79	)
Common stocks	$	1,147	$	1,204	$	151	$	(94	)	$	885	$	1,087	$	227	$	(25	)
Perpetual preferred stocks	$	443	$	454	$	18	$	(7	)	$	398	$	414	$	21	$	(5	)

The non-credit related portion of other-than-temporary impairment charges is included in other comprehensive income. Cumulative non-credit charges taken for securities still owned at September 30, 2015 and December 31, 2014, respectively, were $213 million and $220 million. Gross unrealized gains on such securities at September 30, 2015 and December 31, 2014 were $143 million and $151 million, respectively. Gross unrealized losses on such securities at both September 30, 2015 and December 31, 2014 were $8 million. These amounts represent the non-credit other-than-temporary impairment charges recorded in AOCI adjusted for subsequent changes in fair values and nearly all relate to residential MBS.

23

AMERICAN FINANCIAL GROUP, INC. 10-Q

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — CONTINUED

The following tables show gross unrealized losses (dollars in millions) on fixed maturities and equity securities by investment category and length of time that individual securities have been in a continuous unrealized loss position at September 30, 2015 and December 31, 2014.

	Less Than Twelve Months							Twelve Months or More
	Unrealized Loss			Fair Value		Fair Value as % of Cost		Unrealized Loss			Fair Value		Fair Value as % of Cost
September 30, 2015
Fixed maturities:
U.S. Government and government agencies	$	—		$	2	100	%	$	(2	)	$	15	88	%
States, municipalities and political subdivisions	(27		)	1,197		98	%	(2		)	58		97	%
Residential MBS	(6		)	347		98	%	(9		)	223		96	%
Commercial MBS	—			23		100	%	—			31		100	%
Asset-backed securities	(12		)	1,315		99	%	(7		)	414		98	%
Corporate and other	(124		)	3,197		96	%	(22		)	132		86	%
Total fixed maturities	$	(169	)	$	6,081	97	%	$	(42	)	$	873	95	%
Common stocks	$	(94	)	$	590	86	%	$	—		$	—	—	%
Perpetual preferred stocks	$	(4	)	$	127	97	%	$	(3	)	$	26	90	%
December 31, 2014
Fixed maturities:
U.S. Government and government agencies	$	—		$	39	100	%	$	(2	)	$	15	88	%
States, municipalities and political subdivisions	(2		)	222		99	%	(8		)	408		98	%
Residential MBS	(4		)	298		99	%	(11		)	209		95	%
Commercial MBS	(1		)	38		97	%	—			11		100	%
Asset-backed securities	(11		)	1,389		99	%	(11		)	622		98	%
Corporate and other	(16		)	588		97	%	(13		)	433		97	%
Total fixed maturities	$	(34	)	$	2,574	99	%	$	(45	)	$	1,698	97	%
Common stocks	$	(25	)	$	260	91	%	$	—		$	—	—	%
Perpetual preferred stocks	$	(1	)	$	45	98	%	$	(4	)	$	55	93	%

At September 30, 2015, the gross unrealized losses on fixed maturities of $211 million relate to approximately 950 securities. Investment grade securities (as determined by nationally recognized rating agencies) represented approximately 76% of the gross unrealized loss and 85% of the fair value.

AFG analyzes its MBS securities for other-than-temporary impairment each quarter based upon expected future cash flows. Management estimates expected future cash flows based upon its knowledge of the MBS market, cash flow projections (which reflect loan to collateral values, subordination, vintage and geographic concentration) received from independent sources, implied cash flows inherent in security ratings and analysis of historical payment data. In the first nine months of 2015, AFG recorded approximately $3 million in other-than-temporary impairment charges related to its residential MBS.

In the first nine months of 2015, AFG recorded approximately $25 million and $4 million in other-than-temporary impairment charges related to corporate bonds and municipal bonds, respectively.

AFG recorded $48 million other-than-temporary impairment charges on common stocks in the first nine months of 2015. At September 30, 2015, the gross unrealized losses on common stocks of $94 million relate to 76 securities, none of which has been in an unrealized loss position for more than 12 months.

At September 30, 2015, the gross unrealized losses on preferred stocks of $7 million relate to 25 securities. Of the preferred stocks that have been in an unrealized loss position for 12 months or more (4 securities), 93% of the unrealized loss relates to investment grade securities.

Management believes AFG will recover its cost basis in the securities with unrealized losses and that AFG has the ability to hold the securities until they recover in value and had no intent to sell them at September 30, 2015.

24

AMERICAN FINANCIAL GROUP, INC. 10-Q

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — CONTINUED

A progression of the credit portion of other-than-temporary impairments on fixed maturity securities for which the non-credit portion of an impairment has been recognized in other comprehensive income is shown below (in millions):

	2015			2014
Balance at June 30	$	166		$	175
Additional credit impairments on:
Previously impaired securities	—			—
Securities without prior impairments	2			—
Reductions due to sales or redemptions	(2		)	(2		)
Balance at September 30	$	166		$	173
Balance at January 1	$	170		$	194
Additional credit impairments on:
Previously impaired securities	1			—
Securities without prior impairments	2			—
Reductions due to sales or redemptions	(7		)	(21		)
Balance at September 30	$	166		$	173

The table below sets forth the scheduled maturities of available for sale fixed maturities as of September 30, 2015 (dollars in millions). Securities with sinking funds are reported at average maturity. Actual maturities may differ from contractual maturities because certain securities may be called or prepaid by the issuers.

	Amortized		Fair Value
	Cost		Amount		%
Maturity
One year or less	$	1,016	$	1,032	3	%
After one year through five years	5,300		5,604		17	%
After five years through ten years	10,439		10,679		32	%
After ten years	4,715		4,922		15	%
	21,470		22,237		67	%
ABS (average life of approximately 5 years)	4,673		4,701		14	%
MBS (average life of approximately 4-1/2 years)	5,725		6,176		19	%
Total	$	31,868	$	33,114	100	%

Certain risks are inherent in connection with fixed maturity securities, including loss upon default, price volatility in reaction to changes in interest rates, and general market factors and risks associated with reinvestment of proceeds due to prepayments or redemptions in a period of declining interest rates.

There were no investments in individual issuers that exceeded 10% of Shareholders’ Equity at September 30, 2015 or December 31, 2014.

25

AMERICAN FINANCIAL GROUP, INC. 10-Q

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — CONTINUED

Net Unrealized Gain on Marketable Securities   In addition to adjusting equity securities and fixed maturity securities classified as “available for sale” to fair value, GAAP requires that deferred policy acquisition costs and certain other balance sheet amounts related to annuity, long-term care and life businesses be adjusted to the extent that unrealized gains and losses from securities would result in adjustments to those balances had the unrealized gains or losses actually been realized. The following table shows (in millions) the components of the net unrealized gain on securities that is included in AOCI in AFG’s Balance Sheet.

	Pretax			Deferred Tax and Amounts  Attributable to Noncontrolling Interests			Net
September 30, 2015
Unrealized gain on:
Fixed maturities — annuity segment (*)	$	868		$	(304	)	$	564
Fixed maturities — all other	378			(140		)	238
Equity securities	68			(24		)	44
Deferred policy acquisition costs — annuity segment	(391		)	137			(254		)
Annuity benefits accumulated	(112		)	39			(73		)
Life, accident and health reserves	(67		)	24			(43		)
Unearned revenue	20			(7		)	13
	$	764		$	(275	)	$	489
December 31, 2014
Unrealized gain on:
Fixed maturities — annuity segment (*)	$	1,157		$	(405	)	$	752
Fixed maturities — all other	503			(185		)	318
Equity securities	218			(79		)	139
Deferred policy acquisition costs — annuity segment	(531		)	186			(345		)
Annuity benefits accumulated	(112		)	39			(73		)
Life, accident and health reserves	(104		)	36			(68		)
Unearned revenue	31			(11		)	20
	$	1,162		$	(419	)	$	743

(*) Unrealized gains on fixed maturity investments supporting AFG’s annuity benefits accumulated.

Net Investment Income   The following table shows (in millions) investment income earned and investment expenses incurred.

	Three months ended September 30,						Nine months ended September 30,
	2015			2014			2015			2014
Investment income:
Fixed maturities	$	370		$	342		$	1,082		$	1,007
Equity securities	20			16			54			48
Equity in earnings of partnerships and similar investments	18			2			26			15
Other	22			20			69			56
Gross investment income	430			380			1,231			1,126
Investment expenses	(5		)	(3		)	(14		)	(9		)
Net investment income	$	425		$	377		$	1,217		$	1,117

26

AMERICAN FINANCIAL GROUP, INC. 10-Q

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — CONTINUED

Realized gains (losses) and changes in unrealized appreciation (depreciation) related to fixed maturity and equity security investments are summarized as follows (in millions):

	Fixed Maturities			Equity Securities			Mortgage Loans and Other Investments			Other (a)			Total Pretax			Tax Effects			Noncon- trolling Interests			Total
Quarter ended September 30, 2015
Realized before impairments	$	7		$	13		$	—		$	(1	)	$	19		$	(7	)	$	(1	)	$	11
Realized — impairments	(17		)	(23		)	—			5			(35		)	13			1			(21		)
Change in unrealized	(9		)	(135		)	—			(11		)	(155		)	55			2			(98		)
Quarter ended September 30, 2014
Realized before impairments	$	10		$	16		$	(1	)	$	(1	)	$	24		$	(10	)	$	—		$	14
Realized — impairments	(9		)	(5		)	—			3			(11		)	5			—			(6		)
Change in unrealized	(145		)	(40		)	—			60			(125		)	44			2			(79		)
Nine months ended September 30, 2015
Realized before impairments	$	17		$	59		$	(2	)	$	(3	)	$	71		$	(25	)	$	(1	)	$	45
Realized — impairments	(32		)	(48		)	—			11			(69		)	25			1			(43		)
Change in unrealized	(414		)	(150		)	—			166			(398		)	140			4			(254		)
Nine months ended September 30, 2014
Realized before impairments	$	32		$	26		$	—		$	(1	)	$	57		$	(21	)	$	(1	)	$	35
Realized — impairments	(10		)	(6		)	—			3			(13		)	5			—			(8		)
Change in unrealized	466			3			—			(213		)	256			(90		)	(3		)	163

(a) Primarily adjustments to deferred policy acquisition costs and reserves related to annuities and long-term care business.

Gross realized gains and losses (excluding impairment write-downs and mark-to-market of derivatives) on available for sale fixed maturity and equity security investment transactions included in the Statement of Cash Flows consisted of the following (in millions):

	Nine months ended September 30,
	2015		2014
Fixed maturities:
Gross gains	$	24	$	28
Gross losses	—		(2		)
Equity securities:
Gross gains	59		27
Gross losses	—		—

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AMERICAN FINANCIAL GROUP, INC. 10-Q

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — CONTINUED

F.    Derivatives

As discussed under “Derivatives” in Note A — “Accounting Policies” to the financial statements, AFG uses derivatives in certain areas of its operations.

Derivatives That Do Not Qualify for Hedge Accounting   The following derivatives that do not qualify for hedge accounting under GAAP are included in AFG’s Balance Sheet at fair value (in millions):

		September 30, 2015				December 31, 2014
Derivative	Balance Sheet Line	Asset		Liability		Asset		Liability
MBS with embedded derivatives	Fixed maturities	$	162	$	—	$	158	$	—
Public company warrants	Equity securities	—		—		19		—
Fixed-indexed annuities (embedded derivative)	Annuity benefits accumulated	—		1,198		—		1,160
Equity index call options	Other investments	122		—		322		—
Reinsurance contracts (embedded derivative)	Other liabilities	—		9		—		13
		$	284	$	1,207	$	499	$	1,173

The MBS with embedded derivatives consist primarily of interest-only MBS with interest rates that float inversely with short-term rates. AFG records the entire change in the fair value of these securities in earnings. These investments are part of AFG’s overall investment strategy and represent a small component of AFG’s investment portfolio.

Warrants to purchase shares of publicly traded companies, which represent a small component of AFG’s overall investment portfolio, are considered to be derivatives that must be marked to market through earnings. AFG exercised its most significant warrant position in the first quarter of 2015.

AFG’s fixed-indexed annuities, which represented approximately 60% of annuity benefits accumulated at September 30, 2015, provide policyholders with a crediting rate tied, in part, to the performance of an existing stock market index. AFG attempts to mitigate the risk in the index-based component of these products through the purchase of call options on the appropriate index. AFG receives collateral from its counterparties to support its purchased call option assets. This collateral ($88 million at September 30, 2015) is included in other assets in AFG’s Balance Sheet with an offsetting liability to return the collateral, which is included in other liabilities. AFG’s strategy is designed so that an increase in the liabilities, due to an increase in the market index, will be generally offset by unrealized and realized gains on the call options purchased by AFG. Both the index-based component of the annuities and the related call options are considered derivatives. Fluctuations in interest rates and the stock market, among other factors, can cause volatility in the periodic measurement of fair value of the embedded derivative that management believes can be inconsistent with the long-term economics of these products.

As discussed under “Reinsurance” in Note Ato the financial statements, certain reinsurance contracts are considered to contain embedded derivatives.

The following table summarizes the gain (loss) included in the Statement of Earnings for changes in the fair value of derivatives that do not qualify for hedge accounting for the third quarter and first nine months of 2015 and 2014 (in millions):

		Three months ended September 30,						Nine months ended September 30,
Derivative	Statement of Earnings Line	2015			2014			2015			2014
MBS with embedded derivatives	Realized gains on securities	$	(4	)	$	—		$	(7	)	$	7
Public company warrants	Realized gains on securities	—			—			—			(2		)
Interest rate swaptions	Realized gains on securities	—			—			—			(2		)
Fixed-indexed annuities (embedded derivative)	Annuity benefits	130			(21		)	99			(153		)
Equity index call options	Annuity benefits	(167		)	19			(144		)	112
Reinsurance contracts (embedded derivative)	Net investment income	1			1			4			(2		)
		$	(40	)	$	(1	)	$	(48	)	$	(40	)

Derivatives Designated and Qualifying as Cash Flow Hedges   In the second quarter of 2015, AFG entered into two interest rate swaps (a five-year, $195 million notional amount swap and a fifteen-year, $132 million notional amount swap) under which AFG receives fixed-rate interest payments in exchange for variable interest payments based on three-month LIBOR. In the third

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quarter of 2014, AFG entered into a five-year $431 million notional amount interest rate swap under which AFG receives fixed-rate interest payments in exchange for variable interest payments based on one-month LIBOR. The purpose of each of these swaps is to effectively convert a portion of AFG’s floating rate fixed maturity securities to fixed rates by offsetting the variability in cash flows attributable to changes in LIBOR.

The notional amounts amortize down over each swap’s respective life in anticipation of an expected decline in AFG’s portfolio of fixed maturity securities with floating interest rates based on LIBOR ($644 million and $401 million total notional amounts at September 30, 2015 and December 31, 2014, respectively). The fair value of the effective portion of the interest rate swaps, which were all in an asset position and included in other assets, was $8 million and less than $1 million at September 30, 2015 and December 31, 2014, respectively. The net unrealized gain or loss on cash flow hedges is included in AOCI, net of DPAC and tax. During the third quarter and first nine months of 2015, $2 million and $4 million, respectively, was reclassified from AOCI to net investment income. There was no ineffectiveness recorded in Net Earnings during these periods.

Derivative Designated and Qualifying as a Fair Value Hedge   In June 2015, AFG entered into an interest rate swap to mitigate the interest rate risk associated with its fixed-rate 9-7/8% Senior Notes due June 2019 by effectively converting the interest rate on those notes to a floating rate of three-month LIBOR plus 8.099% (8.4362% at September 30, 2015). Since the terms of the interest rate swap match the terms of the hedged debt, changes in the fair value of the interest rate swap are offset by changes in the fair value of the hedged debt attributable to changes in interest rates. The fair value of the interest rate swap (an asset of $7 million at September 30, 2015) and the offsetting adjustment to the carrying value of the 9-7/8% Senior Notes are both included in long-term debt on AFG’s Balance Sheet. Accordingly, the net impact on AFG’s current period earnings is that the interest expense associated with the hedged debt is effectively recorded at the floating rate. The net reduction in interest expense from the swap for both the third quarter and first nine months of 2015 was $1 million.

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AMERICAN FINANCIAL GROUP, INC. 10-Q

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — CONTINUED

G.    Deferred Policy Acquisition Costs

A progression of deferred policy acquisition costs is presented below (in millions):

	P&C			Annuity and Run-off Long-term Care and Life
	Deferred			Deferred			Sales												Consolidated
	Costs			Costs			Inducements			PVFP			Unrealized			Total			Total
Balance at June 30, 2015	$	223		$	934		$	123		$	68		$	(383	)	$	742		$	965
Additions	138			74			3			—			—			77			215
Amortization:
Periodic amortization	(132		)	(36		)	(6		)	(3		)	—			(45		)	(177		)
Included in realized gains	—			3			—			—			—			3			3
Foreign currency translation	(2		)	—			—			—			—			—			(2		)
Change in unrealized	—			—			—			—			(11		)	(11		)	(11		)
Balance at September 30, 2015	$	227		$	975		$	120		$	65		$	(394	)	$	766		$	993
Balance at June 30, 2014	$	219		$	918		$	141		$	79		$	(551	)	$	587		$	806
Additions	129			42			1			—			—			43			172
Amortization:
Periodic amortization	(127		)	(38		)	(7		)	(3		)	—			(48		)	(175		)
Included in realized gains	—			1			1			—			—			2			2
Foreign currency translation	(2		)	—			—			—			—			—			(2		)
Change in unrealized	—			—			—			—			55			55			55
Balance at September 30, 2014	$	219		$	923		$	136		$	76		$	(496	)	$	639		$	858
Balance at December 31, 2014	$	221		$	925		$	132		$	74		$	(531	)	$	600		$	821
Additions	396			164			7			—			—			171			567
Amortization:
Periodic amortization	(388		)	(120		)	(20		)	(9		)	—			(149		)	(537		)
Included in realized gains	—			6			1			—			—			7			7
Foreign currency translation	(2		)	—			—			—			—			—			(2		)
Change in unrealized	—			—			—			—			137			137			137
Balance at September 30, 2015	$	227		$	975		$	120		$	65		$	(394	)	$	766		$	993
Balance at December 31, 2013	$	211		$	875		$	149		$	85		$	(345	)	$	764		$	975
Additions	380			144			6			—			—			150			530
Amortization:
Periodic amortization	(371		)	(98		)	(20		)	(9		)	—			(127		)	(498		)
Included in realized gains	—			2			1			—			—			3			3
Foreign currency translation	(1		)	—			—			—			—			—			(1		)
Change in unrealized	—			—			—			—			(151		)	(151		)	(151		)
Balance at September 30, 2014	$	219		$	923		$	136		$	76		$	(496	)	$	639		$	858

The present value of future profits (“PVFP”) amounts in the table above are net of $218 million and $209 million of accumulated amortization at September 30, 2015 and December 31, 2014, respectively.

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AMERICAN FINANCIAL GROUP, INC. 10-Q

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — CONTINUED

H.    Managed Investment Entities

AFG is the investment manager and its subsidiaries have investments ranging from 15.0% to 51.2% of the most subordinate debt tranche of thirteen collateralized loan obligation entities or “CLOs,” which are considered variable interest entities. AFG’s subsidiaries also own portions of the senior debt tranches of certain of these CLOs. Upon formation between 2004 and 2015, these entities issued securities in various senior and subordinate classes and invested the proceeds primarily in secured bank loans, which serve as collateral for the debt securities issued by each particular CLO. None of the collateral was purchased from AFG. AFG’s investments in the subordinate debt tranches of these entities receive residual income from the CLOs only after the CLOs pay expenses (including management fees to AFG), and interest on and returns of capital to senior levels of debt securities. There are no contractual requirements for AFG to provide additional funding for these entities. AFG has not provided and does not intend to provide any financial support to these entities.

AFG’s maximum exposure to economic loss on its CLOs is limited to its investment in the CLOs, which had an aggregate fair value of $326 million (including $93 million invested in the most subordinate debt tranches) at September 30, 2015, and $289 million at December 31, 2014.

In May 2015, AFG formed a new CLO, which issued $511 million face amount of liabilities (including $45 million face amount purchased by subsidiaries of AFG). During the first nine months of 2014, AFG subsidiaries purchased $8 million face amount of senior debt tranches of existing CLOs for $8 million. During the first nine months of 2015 and 2014, AFG subsidiaries received redemption proceeds of $1 million and $57 million, respectively, from its CLO investments.

The revenues and expenses of the CLOs are separately identified in AFG’s Statement of Earnings, after the elimination of management fees and earnings attributable to shareholders of AFG as measured by the change in the fair value of AFG’s investments in the CLOs. See Note A — “Accounting Policies — Managed Investment Entities,” for a discussion of accounting guidance adopted on January 1, 2015 that impacts the measurement of the fair value of CLO liabilities. Selected financial information related to the CLOs is shown below (in millions):

	Three months ended September 30,						Nine months ended September 30,
	2015			2014			2015			2014
Gains (losses) on change in fair value of assets/liabilities (a):
Assets	$	(53	)	$	(30	)	$	(27	)	$	(32	)
Liabilities	42			5			11			(3		)
Management fees paid to AFG	4			7			11			18
CLO earnings (losses) attributable to (b):
AFG shareholders	(3		)	7			5			18
Noncontrolling interests	—			(29		)	—			(47		)

(a) Included in Revenues in AFG’s Statement of Earnings.

(b) Included in Earnings before income taxes in AFG’s Statement of Earnings.

The aggregate unpaid principal balance of the CLOs’ fixed maturity investments exceeded the fair value of the investments by $118 million and $83 million at September 30, 2015 and December 31, 2014. The aggregate unpaid principal balance of the CLOs’ debt exceeded its carrying value by $164 million and $131 million at those dates. The CLO assets include $1 million and $2 million in loans at September 30, 2015 and December 31, 2014, respectively, for which the CLOs are not accruing interest because the loans are in default (aggregate unpaid principal balance of $10 million and $6 million at those dates, respectively).

I.    Goodwill and Other Intangibles

There were no changes in the goodwill balance of $201 million during the first nine months of 2015. Included in other assets in AFG’s Balance Sheet is $43 million at September 30, 2015 and $49 million at December 31, 2014 in amortizable intangible assets related to property and casualty insurance acquisitions. These amounts are net of accumulated amortization of $16 million and $91 million, respectively. Amortization of intangibles was $2 million and $6 million in the third quarters and $6 million and $14 million in the first nine months of 2015 and 2014, respectively.

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J.    Long-Term Debt

The carrying value of long-term debt consisted of the following (in millions):

	September 30, 2015		December 31, 2014
Direct Senior Obligations of AFG:
9-7/8% Senior Notes due June 2019	$	350	$	350
6-3/8% Senior Notes due June 2042	230		230
5-3/4% Senior Notes due August 2042	125		125
7% Senior Notes due September 2050	—		132
Other	3		3
	708		840
Direct Subordinated Obligations of AFG:
6-1/4% Subordinated Debentures due September 2054	150		150
Subsidiaries:
Notes payable secured by real estate due 2015 through 2016	10		59
National Interstate bank credit facility	12		12
	22		71
	$	880	$	1,061

To achieve a desired balance between fixed and variable rate debt, AFG entered into an interest rate swap in June 2015, which effectively converts its 9-7/8% Senior Notes to a floating rate of three-month LIBOR plus 8.099% (8.4362% at September 30, 2015). The fair value of the interest rate swap (an asset of $7 million at September 30, 2015) and the offsetting adjustment to the carrying value of the notes are both included in the carrying value of the 9-7/8% Senior Notes in the table above.

On September 30, 2015, AFG used cash on hand to redeem the $132 million in outstanding AFG 7% Senior Notes due September 2050 at par value. Scheduled principal payments on debt for the balance of 2015, the subsequent five years and thereafter were as follows: 2015 — less than $1 million; 2016 — $10 million; 2017 — $12 million; 2018 — none; 2019 — $350 million; 2020 — none and thereafter — $508 million.

As shown below (in millions), the majority of AFG’s long-term debt is unsecured obligations:

	September 30, 2015		December 31, 2014
Senior unsecured obligations	$	720	$	852
Subordinated unsecured obligations	150		150
Obligations secured by real estate	10		59
	$	880	$	1,061

AFG can borrow up to $500 million under its revolving credit facility which expires in December 2016. Amounts borrowed under this agreement bear interest at rates ranging from 1.00% to 1.875% (currently 1.375%) over LIBOR based on AFG’s credit rating. No amounts were borrowed under this facility at September 30, 2015 or December 31, 2014.

National Interstate can borrow up to $100 million under its unsecured credit agreement, which expires in November 2017. At September 30, 2015, there was $12 million outstanding under this agreement, bearing interest at 1.28% (six-month LIBOR plus 0.875%).

K.    Shareholders’ Equity

AFG is authorized to issue 12.5 million shares of Voting Preferred Stock and 12.5 million shares of Nonvoting Preferred Stock, each without par value.

Accumulated Other Comprehensive Income, Net of Tax (“AOCI”)   Comprehensive income is defined as all changes in Shareholders’ Equity except those arising from transactions with shareholders. Comprehensive income includes net earnings

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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — CONTINUED

and other comprehensive income, which consists primarily of changes in net unrealized gains or losses on available for sale securities.

The progression of the components of accumulated other comprehensive income follows (in millions):

				Other Comprehensive Income
	AOCI Beginning Balance			Pretax			Tax			Net of tax			Attributable to noncontrolling interests			Attributable to shareholders			AOCI Ending Balance
Quarter ended September 30, 2015
Net unrealized gains (losses) on securities:
Unrealized holding gains (losses) on securities arising during the period				$	(171	)	$	61		$	(110	)	$	3		$	(107	)
Reclassification adjustment for realized (gains) losses included in net earnings (a)				16			(6		)	10			(1		)	9
Total net unrealized gains (losses) on securities (b)	$	587		(155		)	55			(100		)	2			(98		)	$	489
Net unrealized gains on cash flow hedges	—			3			(1		)	2			—			2			2
Foreign currency translation adjustments	(16		)	(5		)	(2		)	(7		)	—			(7		)	(23		)
Pension and other postretirement plans adjustments	(8		)	1			—			1			—			1			(7		)
Total	$	563		$	(156	)	$	52		$	(104	)	$	2		$	(102	)	$	461
Quarter ended September 30, 2014
Net unrealized gains (losses) on securities:
Unrealized holding gains (losses) on securities arising during the period				$	(111	)	$	38		$	(73	)	$	2		$	(71	)
Reclassification adjustment for realized (gains) losses included in net earnings (a)				(14		)	6			(8		)	—			(8		)
Total net unrealized gains (losses) on securities	$	805		(125		)	44			(81		)	2			(79		)	$	726
Foreign currency translation adjustments	(2		)	(2		)	—			(2		)	—			(2		)	(4		)
Pension and other postretirement plans adjustments	(4		)	—			—			—			—			—			(4		)
Total	$	799		$	(127	)	$	44		$	(83	)	$	2		$	(81	)	$	718
Nine months ended September 30, 2015
Net unrealized gains (losses) on securities:
Unrealized holding gains (losses) on securities arising during the period				$	(394	)	$	139		$	(255	)	$	5		$	(250	)
Reclassification adjustment for realized (gains) losses included in net earnings (a)				(4		)	1			(3		)	(1		)	(4		)
Total net unrealized gains (losses) on securities (b)	$	743		(398		)	140			(258		)	4			(254		)	$	489
Net unrealized gains on cash flow hedges	—			3			(1		)	2			—			2			2
Foreign currency translation adjustments	(8		)	(11		)	(4		)	(15		)	—			(15		)	(23		)
Pension and other postretirement plans adjustments	(8		)	1			—			1			—			1			(7		)
Total	$	727		$	(405	)	$	135		$	(270	)	$	4		$	(266	)	$	461
Nine months ended September 30, 2014
Net unrealized gains on securities:
Unrealized holding gains (losses) on securities arising during the period				$	300		$	(106	)	$	194		$	(4	)	$	190
Reclassification adjustment for realized (gains) losses included in net earnings (a)				(44		)	16			(28		)	1			(27		)
Total net unrealized gains on securities	$	563		256			(90		)	166			(3		)	163			$	726
Foreign currency translation adjustments	1			(5		)	—			(5		)	—			(5		)	(4		)
Pension and other postretirement plans adjustments	(4		)	—			—			—			—			—			(4		)
Total	$	560		$	251		$	(90	)	$	161		$	(3	)	$	158		$	718

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AMERICAN FINANCIAL GROUP, INC. 10-Q

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — CONTINUED

(a) The reclassification adjustment out of net unrealized gains on securities affected the following lines in AFG’s Consolidated Statement of Earnings:

OCI component	Affected line in the Consolidated Statement of Earnings
Pretax	Realized gains (losses) on securities
Tax	Provision for income taxes
Attributable to noncontrolling interests	Net earnings (loss) attributable to noncontrolling interests

(b) Includes net unrealized gains of $53 million at September 30, 2015, $57 million at June 30, 2015 and $58 million at December 31, 2014 related to securities for which only the credit portion of an other-than-temporary impairment has been recorded in earnings.

Stock Incentive Plans   Under AFG’s stock incentive plans, employees of AFG and its subsidiaries are eligible to receive equity awards in the form of stock options, stock appreciation rights, restricted stock awards, restricted stock units and stock awards. In the first nine months of 2015, AFG issued 171,130 shares of restricted Common Stock (fair value of $63.15 per share) and granted stock options for 716,818 shares of Common Stock (at an exercise price of $63.15) under the Stock Incentive Plan. In addition, AFG issued 54,732 shares of Common Stock (fair value of $62.55 per share) in the first quarter of 2015 under the Equity Bonus Plan.

AFG uses the Black-Scholes option pricing model to calculate the fair value of its option grants. The expected dividend yield is based on AFG’s current dividend rate. To determine expected volatility, AFG considers its daily historical volatility as well as implied volatility on traded options. The expected term was estimated based on historical exercise patterns and post vesting cancellations. The risk-free rate for periods associated with the expected term is based upon the U.S. Treasury yield curve in effect on the grant date.

	Nine months ended September 30,
	2015			2014
Exercise price	$	63.15		$	56.47
Expected dividend yield	1.6		%	1.6		%
Expected volatility	25		%	26		%
Expected term (in years)	7.25			7.25
Risk-free rate	1.88		%	2.20		%
Grant date fair value	$	15.29		$	14.66

Total compensation expense related to stock incentive plans of AFG and its subsidiaries was $5 million and $4 million in the third quarter of 2015 and 2014, respectively, and $18 million in both the first nine months of 2015 and 2014.

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L.    Income Taxes

The following is a reconciliation of income taxes at the statutory rate of 35% to the provision for income taxes as shown in the Statement of Earnings (dollars in millions):

	Three months ended September 30,										Nine months ended September 30,
	2015					2014					2015					2014
	Amount			% of EBT		Amount			% of EBT		Amount			% of EBT		Amount			% of EBT
Earnings before income taxes (“EBT”)	$	99				$	145				$	355				$	436
Income taxes at statutory rate	$	34		35	%	$	51		35	%	$	124		35	%	$	153		35	%
Effect of:
Tax exempt interest	(6		)	(6	%)	(6		)	(4	%)	(20		)	(6	%)	(18		)	(4	%)
Change in valuation allowance	8			8	%	(1		)	(1	%)	8			2	%	2			1	%
Losses of managed investment entities	—			—	%	10			7	%	—			—	%	16			4	%
Subsidiaries not in AFG’s tax return	—			—	%	1			1	%	2			1	%	—			—	%
Other	(3		)	(4	%)	(1		)	(1	%)	1			—	%	2			—	%
Provision for income taxes as shown in the Statement of Earnings	$	33		33	%	$	54		37	%	$	115		32	%	$	155		36	%

During the first nine months of 2015, there were no material changes to AFG’s liability for uncertain tax positions.

M.     Contingencies

As discussed in Note B — “Acquisitions and Sale of Businesses,” AFG recorded a $162 million pretax loss in the first quarter of 2015 to establish a liability (included in other liabilities in AFG’s Balance Sheet) that effectively reduces the net carrying value of the assets and liabilities to be disposed in the pending sale of its run-off long-term care business to equal the estimated net sale proceeds from the sale. There have been no significant changes to the matters discussed and referred to in Note M — “Contingencies” of AFG’s 2014 Form 10-K, which covers property and casualty insurance reserves for claims related to environmental exposures, asbestos and other mass tort claims, as well as environmental and occupational injury and disease claims of former subsidiary railroad and manufacturing operations.

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AMERICAN FINANCIAL GROUP, INC. 10-Q

ITEM 2

Management’s Discussion and Analysis of Financial Condition and Results of Operations

INDEX TO MD&A
	Page		Page
Forward-Looking Statements	36	Results of Operations — Third Quarter	49
Overview	37	Segmented Statement of Earnings	49
Critical Accounting Policies	37	Property and Casualty Insurance	50
Liquidity and Capital Resources	38	Annuity	59
Ratios	38	Run-off Long-Term Care and Life	64
Condensed Consolidated Cash Flows	38	Holding Company, Other and Unallocated	65
Parent and Subsidiary Liquidity	39	Results of Operations — First Nine Months	68
Investments	40	Segmented Statement of Earnings	68
Uncertainties	44	Property and Casualty Insurance	69
Managed Investment Entities	44	Annuity	78
Results of Operations	48	Run-off Long-Term Care and Life	83
General	48	Holding Company, Other and Unallocated	84
		Recent and Pending Accounting Standards	86

FORWARD-LOOKING STATEMENTS

The Private Securities Litigation Reform Act of 1995 provides a safe harbor for forward-looking statements. Some of the forward-looking statements can be identified by the use of words such as “anticipates”, “believes”, “expects”, “projects”, “estimates”, “intends”, “plans”, “seeks”, “could”, “may”, “should”, “will” or the negative version of those words or other comparable terminology. Such forward-looking statements include statements relating to: expectations concerning market and other conditions and their effect on future premiums, revenues, earnings and investment activities; recoverability of asset values; expected losses and the adequacy of reserves for long-term care, asbestos, environmental pollution and mass tort claims; rate changes; and improved loss experience.

Actual results and/or financial condition could differ materially from those contained in or implied by such forward-looking statements for a variety of reasons including but not limited to:

• changes in financial, political and economic conditions, including changes in interest and inflation rates, currency fluctuations and extended economic recessions or expansions in the U.S. and/or abroad;

• performance of securities markets;

• AFG’s ability to estimate accurately the likelihood, magnitude and timing of any losses in connection with investments in the non-agency residential mortgage market;

• new legislation or declines in credit quality or credit ratings that could have a material impact on the valuation of securities in AFG’s investment portfolio;

• the availability of capital;

• the possibility that the pending sale of AFG’s run-off long-term care business is not consummated;

• regulatory actions (including changes in statutory accounting rules);

• changes in the legal environment affecting AFG or its customers;

• tax law and accounting changes;

• levels of natural catastrophes and severe weather, terrorist activities (including any nuclear, biological, chemical or radiological events), incidents of war or losses resulting from civil unrest and other major losses;

• development of insurance loss reserves and establishment of other reserves, particularly with respect to amounts associated with asbestos and environmental claims and AFG’s run-off long-term care business;

• availability of reinsurance and ability of reinsurers to pay their obligations;

• trends in persistency, mortality and morbidity;

• competitive pressures, including those in the annuity distribution channels;

• the ability to obtain adequate rates and policy terms; and

• changes in AFG’s credit ratings or the financial strength ratings assigned by major ratings agencies to AFG’s operating subsidiaries.

36

AMERICAN FINANCIAL GROUP, INC. 10-Q

Management’s Discussion and Analysis of Financial Condition and Results of Operations — Continued

The forward-looking statements herein are made only as of the date of this report. The Company assumes no obligation to publicly update any forward-looking statements.

OVERVIEW

Financial Condition

AFG is organized as a holding company with almost all of its operations being conducted by subsidiaries. AFG, however, has continuing cash needs for administrative expenses, the payment of principal and interest on borrowings, shareholder dividends, and taxes. Therefore, certain analyses are most meaningfully presented on a parent only basis while others are best done on a total enterprise basis. In addition, because most of its businesses are financial in nature, AFG does not prepare its consolidated financial statements using a current-noncurrent format. Consequently, certain traditional ratios and financial analysis tests are not meaningful.

Results of Operations

Through the operations of its subsidiaries, AFG is engaged primarily in property and casualty insurance, focusing on specialized commercial products for businesses and in the sale of fixed and fixed-indexed annuities in the retail, financial institutions and education markets.

Net earnings attributable to AFG’s shareholders for the third quarter and first nine months of 2015 were $63 million ($0.71 per share, diluted) and $223 million ($2.49 per share, diluted), respectively, compared to $116 million ($1.28 per share, diluted) and $325 million ($3.56 per share, diluted) reported in the same periods of 2014, reflecting:

• lower core net operating earnings in the annuity segment due to the impact of fair value accounting for fixed-indexed annuities,

• higher core underwriting profit and net investment income in the property and casualty insurance segment,

• higher special A&E charges recorded in the third quarter of 2015 compared to the third quarter of 2014,

• higher core net operating earnings in the run-off long-term care and life segment,

• the second quarter 2015 gain on the sale of Le Pavillon Hotel, and

• the first quarter 2015 loss on the pending sale of AFG’s run-off long-term care business.

CRITICAL ACCOUNTING POLICIES

Significant accounting policies are summarized in Note A— “Accounting Policies” to the financial statements. The preparation of financial statements in conformity with U.S. generally accepted accounting principles (“GAAP”) requires management to make estimates and assumptions that can have a significant effect on amounts reported in the financial statements. As more information becomes known, these estimates and assumptions change and, thus, impact amounts reported in the future. The areas where management believes the degree of judgment required to determine amounts recorded in the financial statements is most significant are as follows:

• the establishment of insurance reserves, especially asbestos and environmental-related reserves and reserves for AFG’s closed block of long-term care insurance,

• the recoverability of reinsurance,

• the recoverability of deferred acquisition costs,

• the establishment of asbestos and environmental reserves of former railroad and manufacturing operations, and

• the valuation of investments, including the determination of “other-than-temporary” impairments.

For a discussion of these policies, see Management’s Discussion and Analysis — “Critical Accounting Policies” in AFG’s 2014 Form 10-K.

37

AMERICAN FINANCIAL GROUP, INC. 10-Q

Management’s Discussion and Analysis of Financial Condition and Results of Operations — Continued

LIQUIDITY AND CAPITAL RESOURCES

Ratios   AFG’s debt to total capital ratio on a consolidated basis is shown below (dollars in millions):

	September 30, 2015			December 31,
				2014			2013
Long-term debt	$	880		$	1,061		$	913
Total capital	5,341			5,513			5,192
Ratio of debt to total capital:
Including subordinated debt and debt secured by real estate	16.5		%	19.2		%	17.6		%
Excluding subordinated debt and debt secured by real estate	13.5		%	15.6		%	16.6		%

The ratio of debt to total capital is a non-GAAP measure that management believes is useful for investors, analysts and independent ratings agencies to evaluate AFG’s financial strength and liquidity and to provide insight into how AFG finances its operations. The ratio is calculated by dividing AFG’s long-term debt by its total capital, which includes long-term debt, noncontrolling interests and shareholders’ equity (excluding unrealized gains (losses) related to fixed maturity investments and appropriated retained earnings related to managed investment entities).

AFG’s ratio of earnings to fixed charges, including annuity benefits as a fixed charge, was 1.54 for the nine months ended September 30, 2015 and 1.90 for the year ended December 31, 2014. Excluding annuity benefits, this ratio was 5.48 and 7.95, respectively. Although the ratio excluding annuity benefits is not required or encouraged to be disclosed under Securities and Exchange Commission rules, it is presented because interest credited to annuity policyholder accounts is not always considered a borrowing cost for an insurance company.

Condensed Consolidated Cash FlowsAFG’s principal sources of cash include insurance premiums, income from its investment portfolio and proceeds from the maturities, redemptions and sales of investments. Insurance premiums in excess of acquisition expenses and operating costs are invested until they are needed to meet policyholder obligations or made available to the parent company through dividends to cover debt obligations and corporate expenses, and to provide returns to shareholders through share repurchases and dividends. AFG’s cash flows from operating, investing and financing activities as detailed in its Consolidated Statement of Cash Flows are shown below (in millions):

	Nine months ended September 30,
	2015			2014
Net cash provided by operating activities	$	907		$	674
Net cash used in investing activities	(3,415		)	(2,435		)
Net cash provided by financing activities	2,059			1,432
Net change in cash and cash equivalents	$	(449	)	$	(329	)

Net Cash Provided by Operating Activities   AFG’s property and casualty insurance operations typically produce positive net operating cash flows as premiums collected and investment income exceed policy acquisition costs, claims payments and operating expenses. AFG’s net cash provided by operating activities is impacted by the level and timing of property and casualty premiums, claim and expense payments and recoveries from reinsurers. AFG’s annuity operations typically produce positive net operating cash flows as investment income exceeds acquisition costs and operating expenses. Interest credited on annuity policyholder funds is a non-cash increase in AFG’s annuity benefits accumulated liability and annuity premiums, benefits and withdrawals are considered financing activities due to the deposit-type nature of annuities. Net cash provided by operating activities was $907 million for the first nine months of 2015 compared to $674 million in the first nine months of 2014, an increase of $233 million.

Net Cash Used in Investing Activities   AFG’s investing activities consist primarily of the investment of funds provided by its property and casualty and annuity products. Net cash used in investing activities was $3.42 billion for the first nine months of 2015 compared to $2.44 billion in the first nine months of 2014, an increase of $980 million. The $406 million increase in net cash flows from annuity policyholders in the first nine months of 2015 as compared to the 2014 period (discussed below under net cash provided by financing activities) increased the amount of cash available for investment in the first nine months of 2015 compared to the 2014 period. However, cash on hand in the annuity and run-off long-term care and life segments decreased by $143 million during the first nine months of 2015 as the investment of funds outpaced the net cash flows received from annuity

38

AMERICAN FINANCIAL GROUP, INC. 10-Q

Management’s Discussion and Analysis of Financial Condition and Results of Operations — Continued

policyholders compared to a $179 million decrease in cash on hand in these segments during the first nine months of 2014.The change in net cash used in investing activities also reflects the impact of investing the property and casualty segment’s cash flows from operating activities, which were higher in the first nine months of 2015 as compared to the 2014 period. In addition to the investment of funds provided by the insurance operations, investing activities also include the purchase and disposal of managed investment entity investments (collateralized loan obligations), which are presented separately in AFG’s Balance Sheet. Net investment activity in the managed investment entities was a $482 millionuse of cash in the first nine months of 2015 compared to a $78 million source of cash in the 2014 period. See Note A — “Accounting Policies — Managed Investment Entities” and Note H — “Managed Investment Entities” to the financial statements.

Net Cash Provided by Financing Activities   AFG’s financing activities consist primarily of transactions with annuity policyholders, issuances and retirements of long-term debt, repurchases of common stock and dividend payments. Net cash provided by financing activities was $2.06 billion for the first nine months of 2015 compared to $1.43 billion in the first nine months of 2014, an increase of $627 million. Annuity receipts exceeded annuity surrenders, benefits, withdrawals and transfers by $1.88 billion in the first nine months of 2015 compared to $1.47 billion in the first nine months of 2014, resulting in a $406 millionincrease in net cash provided by financing activities in the 2015 period compared to the 2014 period. Redemptions of long-term debt was a $182 million use of cash in the first nine months of 2015 compared to net proceeds of $145 million from the issuance of long-term debt in the first nine months of 2014 accounting for a $327 million decrease in cash provided by financing activities in the 2015 period compared to the 2014 period. During the first nine months of 2015, AFG repurchased $113 million of its Common Stock compared to $127 million repurchased in the first nine months of 2014, which accounted for a $14 millionincrease in net cash provided by financing activities in the 2015 period compared to the 2014 period. Financing activities also include the issuance and retirement of managed investment entity liabilities, which are nonrecourse to AFG and presented separately in AFG’s Balance Sheet. The issuances of managed investment entity liabilities exceeded retirements by $501 million in the first nine months of 2015 compared to retirements exceeding issuances by $33 million in the first nine months of 2014, accounting for a $534 millionincrease in net cash provided by financing activities in the 2015 period compared to the 2014 period. See Note A — “Accounting Policies” and Note H — “Managed Investment Entities” to the financial statements.

Parent and Subsidiary Liquidity

Parent Holding Company Liquidity   Management believes AFG has sufficient resources to meet its liquidity requirements. If funds generated from operations, including dividends, tax payments and borrowings from subsidiaries, are insufficient to meet fixed charges in any period, AFG would be required to utilize parent company cash and marketable securities or to generate cash through borrowings, sales of other assets, or similar transactions.

AFG can borrow up to $500 million under its revolving credit facility which expires in December 2016. Amounts borrowed under this agreement bear interest at rates ranging from 1.00% to 1.875% (currently 1.375%) over LIBOR based on AFG’s credit rating. There were no borrowings under the agreement, or under any other parent company short-term borrowing arrangements, during 2014 or the first nine months of 2015. In September 2015, AFG redeemed its $132 million of 7% Senior Notes due September 2050 at par value using cash on hand at the parent company.

In April 2014, AFG completed the purchase of Summit Holding Southeast, Inc. and its related companies (“Summit”) from Liberty Mutual Insurance for $259 million using cash on hand at the parent company. In addition, AFG made a capital contribution of approximately $140 million, bringing its capital investment in the Summit business to $399 million. Summit’s results of operations are included in AFG’s consolidated results beginning in April 2014.

During the first nine months of 2015, AFG repurchased 1.8 million shares of its Common Stock for $113 million. During 2014, AFG repurchased 3.3 million shares of its Common Stock for $191 million.

Under a tax allocation agreement with AFG, its 80%-owned U.S. subsidiaries generally pay taxes to (or recover taxes from) AFG based on each subsidiary’s contribution to amounts due under AFG’s consolidated tax return.

Subsidiary Liquidity   Great American Life Insurance Company (“GALIC”), a wholly-owned annuity subsidiary, is a member of the Federal Home Loan Bank of Cincinnati (“FHLB”). The FHLB makes advances and provides other banking services to member institutions, which provides the annuity operations with a substantial additional source of liquidity. These advances further the FHLB’s mission of improving access to housing by increasing liquidity in the residential mortgage-backed securities market. At September 30, 2015, GALIC had $740 million in outstanding advances from the FHLB (included in annuity benefits accumulated), bearing interest at rates ranging from 0.02% to 0.23% over LIBOR (average rate of 0.44% at September 30,

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AMERICAN FINANCIAL GROUP, INC. 10-Q

Management’s Discussion and Analysis of Financial Condition and Results of Operations — Continued

2015). While these advances must be repaid between 2016 and 2020, GALIC has the option to prepay all or a portion of the advances. GALIC has invested the proceeds from the advances in fixed maturity securities for the purpose of earning a spread over the interest payments due to the FHLB. At September 30, 2015, GALIC estimated that it had additional borrowing capacity of approximately $800 million from the FHLB.

National Interstate Corporation, a 51%-owned property and casualty insurance subsidiary, can borrow up to $100 million under its unsecured credit agreement, which expires in November 2017. There was $12 million borrowed under this agreement at September 30, 2015, bearing interest at 1.28% (six-month LIBOR plus 0.875%).

The liquidity requirements of AFG’s insurance subsidiaries relate primarily to the liabilities associated with their products as well as operating costs and expenses, payments of dividends and taxes to AFG and contributions of capital to their subsidiaries. Historically, cash flows from premiums and investment income have generally provided more than sufficient funds to meet these requirements. Funds received in excess of cash requirements are generally invested in additional marketable securities. In addition, the insurance subsidiaries generally hold a significant amount of highly liquid, short-term investments.

The excess cash flow of AFG’s property and casualty group allows it to extend the duration of its investment portfolio somewhat beyond that of its claim reserves.

In the annuity business, where profitability is largely dependent on earning a spread between invested assets and annuity liabilities, the duration of investments is generally maintained close to that of liabilities. In a rising interest rate environment, significant protection from withdrawals exists in the form of temporary and permanent surrender charges on AFG’s annuity products. With declining rates, AFG receives some protection (from spread compression) due to the ability to lower crediting rates, subject to contractually guaranteed minimum interest rates (“GMIRs”). AFG began selling policies with GMIRs below 2% in 2003; almost all new business since late 2010 has been issued with a 1% GMIR. At September 30, 2015, AFG could reduce the average crediting rate on approximately $19 billion of traditional fixed and fixed-indexed deferred annuities without guaranteed withdrawal benefits by 69 basis points (on a weighted average basis).

AFG believes its insurance subsidiaries maintain sufficient liquidity to pay claims and benefits and operating expenses. In addition, these subsidiaries have sufficient capital to meet commitments in the event of unforeseen events such as reserve deficiencies, inadequate premium rates or reinsurer insolvencies. Nonetheless, changes in statutory accounting rules, significant declines in the fair value of the insurance subsidiaries’ investment portfolios or significant ratings downgrades on these investments, could create a need for additional capital.

Investments   AFG’s investment portfolio at September 30, 2015, contained $33.11 billion in fixed maturity securities and $1.66 billion in equity securities classified as available for sale and carried at fair value with unrealized gains and losses included in a separate component of shareholders’ equity on an after-tax basis. In addition, $269 million in fixed maturities and $173 million in equity securities were classified as trading with changes in unrealized holding gains or losses included in net investment income.

Fair values for AFG’s portfolio are determined by AFG’s internal investment professionals using data from nationally recognized pricing services as well as non-binding broker quotes. Fair values of equity securities are generally based on published closing prices. For mortgage-backed securities (“MBS”), which comprise approximately 19% of AFG’s fixed maturities, prices for each security are generally obtained from both pricing services and broker quotes. For the remainder of AFG’s fixed maturity portfolio, approximately 80% are priced using pricing services and the balance is priced primarily by using non-binding broker quotes. When prices obtained for the same security vary, AFG’s internal investment professionals select the price they believe is most indicative of an exit price.

The pricing services use a variety of observable inputs to estimate fair value of fixed maturities that do not trade on a daily basis. Based upon information provided by the pricing services, these inputs include, but are not limited to, recent reported trades, benchmark yields, issuer spreads, bids or offers, reference data, and measures of volatility. Included in the pricing of MBS are estimates of the rate of future prepayments and defaults of principal over the remaining life of the underlying collateral. Due to the lack of transparency in the process that brokers use to develop prices, valuations that are based on brokers’ prices are classified as Level 3 in the GAAP hierarchy unless the price can be corroborated, for example, by comparison to similar securities priced using observable inputs.

40

AMERICAN FINANCIAL GROUP, INC. 10-Q

Management’s Discussion and Analysis of Financial Condition and Results of Operations — Continued

Valuation techniques utilized by pricing services and prices obtained from external sources are reviewed by AFG’s internal investment professionals who are familiar with the securities being priced and the markets in which they trade to ensure the fair value determination is representative of an exit price. To validate the appropriateness of the prices obtained, these investment managers consider widely published indices (as benchmarks), recent trades, changes in interest rates, general economic conditions and the credit quality of the specific issuers. In addition, AFG communicates directly with pricing services regarding the methods and assumptions used in pricing, including verifying, on a test basis, the inputs used by the services to value specific securities.

In general, the fair value of AFG’s fixed maturity investments is inversely correlated to changes in interest rates. The following table demonstrates the sensitivity of such fair values to reasonably likely changes in interest rates by illustrating the estimated effect on AFG’s fixed maturity portfolio and accumulated other comprehensive income that an immediate increase of 100 basis points in the interest rate yield curve would have at September 30, 2015 (dollars in millions). Effects of increases or decreases from the 100 basis points illustrated would be approximately proportional.

Fair value of fixed maturity portfolio	$	33,383
Percentage impact on fair value of 100 bps increase in interest rates	(5.0		%)
Pretax impact on fair value of fixed maturity portfolio	$	(1,669	)
Offsetting adjustments to deferred policy acquisition costs and other balance sheet amounts	750
Estimated pretax impact on accumulated other comprehensive income	(919		)
Deferred income tax	322
Noncontrolling interests	13
Estimated after-tax impact on accumulated other comprehensive income	$	(584	)

Approximately 88% of the fixed maturities held by AFG at September 30, 2015, were rated “investment grade” (credit rating of AAA to BBB) by nationally recognized rating agencies. Investment grade securities generally bear lower yields and lower degrees of risk than those that are unrated and non-investment grade. Management believes that the high quality investment portfolio should generate a stable and predictable investment return.

MBS are subject to significant prepayment risk due to the fact that, in periods of declining interest rates, mortgages may be repaid more rapidly than scheduled as borrowers refinance higher rate mortgages to take advantage of lower rates. Although interest rates have been low in recent years, tighter lending standards have resulted in fewer buyers being able to refinance the mortgages underlying much of AFG’s non-agency residential MBS portfolio.

Summarized information for AFG’s MBS (including those classified as trading) at September 30, 2015, is shown in the table below (dollars in millions). Agency-backed securities are those issued by a U.S. government-backed agency; Alt-A mortgages are those with risk profiles between prime and subprime. The majority of the Alt-A securities and substantially all of the subprime securities are backed by fixed-rate mortgages. The average life of the residential and commercial MBS is approximately 5 years and 3 years, respectively.

	Amortized Cost		Fair Value		Fair Value as % of Cost		Unrealized Gain (Loss)		% Rated Investment Grade
Collateral type
Residential:
Agency-backed	$	294	$	306	104	%	$	12	100	%
Non-agency prime	1,624		1,807		111	%	183		40	%
Alt-A	848		940		111	%	92		17	%
Subprime	780		832		107	%	52		17	%
Commercial	2,185		2,297		105	%	112		100	%
	$	5,731	$	6,182	108	%	$	451	58	%

The National Association of Insurance Commissioners (“NAIC”) assigns creditworthiness designations on a scale of 1 to 6 with 1 being the highest quality and 6 being the lowest quality. The NAIC retains third-party investment management firms to assist in the determination of appropriate NAIC designations for mortgage-backed securities based not only on the probability of loss (which is the primary basis of ratings by the major ratings firms), but also on the severity of loss and statutory carrying value.

41

AMERICAN FINANCIAL GROUP, INC. 10-Q

Management’s Discussion and Analysis of Financial Condition and Results of Operations — Continued

At September 30, 2015, 98% (based on statutory carrying value of $5.66 billion) of AFG’s MBS securities had a NAIC designation of 1 or 2.

Municipal bonds represented approximately 22% of AFG’s fixed maturity portfolio at September 30, 2015. AFG’s municipal bond portfolio is high quality, with 98% of the securities rated investment grade at that date. The portfolio is well diversified across the states of issuance and individual issuers. At September 30, 2015, approximately 74% of the municipal bond portfolio was held in revenue bonds, with the remaining 26% held in general obligation bonds. General obligation securities of California, Illinois, Michigan, New Jersey, New York and Puerto Rico collectively represented approximately 1% of this portfolio.

Summarized information for the unrealized gains and losses recorded in AFG’s Balance Sheet at September 30, 2015, is shown in the following table (dollars in millions). Approximately $540 million of available for sale fixed maturity securities and $85 million of available for sale equity securities had no unrealized gains or losses at September 30, 2015.

	Securities With Unrealized Gains			Securities With Unrealized Losses
Available for Sale Fixed Maturities
Fair value of securities	$	25,620		$	6,954
Amortized cost of securities	$	24,163		$	7,165
Gross unrealized gain (loss)	$	1,457		$	(211	)
Fair value as % of amortized cost	106		%	97		%
Number of security positions	4,356			950
Number individually exceeding $2 million gain or loss	81			12
Concentration of gains (losses) by type or industry (exceeding 5% of unrealized):
Mortgage-backed securities	$	466		$	(15	)
States and municipalities	321			(29		)
Banks, savings and credit institutions	119			(18		)
Gas and electric services	98			(15		)
Asset-backed securities	47			(19		)
Oil and gas extraction	10			(34		)
Metal mining	6			(19		)
Percentage rated investment grade	88		%	85		%
Available for Sale Equity Securities
Fair value of securities	$	830		$	743
Cost of securities	$	661		$	844
Gross unrealized gain (loss)	$	169		$	(101	)
Fair value as % of cost	126		%	88		%
Number of security positions	153			101
Number individually exceeding $2 million gain or loss	25			17

42

AMERICAN FINANCIAL GROUP, INC. 10-Q

Management’s Discussion and Analysis of Financial Condition and Results of Operations — Continued

The table below sets forth the scheduled maturities of AFG’s available for sale fixed maturity securities at September 30, 2015, based on their fair values. Securities with sinking funds are reported at average maturity. Actual maturities may differ from contractual maturities because certain securities may be called or prepaid by the issuers.

	Securities With Unrealized Gains		Securities With Unrealized Losses
Maturity
One year or less	4	%	—	%
After one year through five years	20	%	8	%
After five years through ten years	30	%	40	%
After ten years	14	%	18	%
	68	%	66	%
Asset-backed securities (average life of approximately 5 years)	11	%	25	%
Mortgage-backed securities (average life of approximately 4-1/2 years)	21	%	9	%
	100	%	100	%

The table below (dollars in millions) summarizes the unrealized gains and losses on fixed maturity securities by dollar amount:

	Aggregate Fair Value		Aggregate Unrealized Gain (Loss)			Fair Value as % of Cost Basis
Fixed Maturities at September 30, 2015
Securities with unrealized gains:
Exceeding $500,000 (891 securities)	$	10,615	$	958		110	%
$500,000 or less (3,465 securities)	15,005		499			103	%
	$	25,620	$	1,457		106	%
Securities with unrealized losses:
Exceeding $500,000 (102 securities)	$	1,299	$	(122	)	91	%
$500,000 or less (848 securities)	5,655		(89		)	98	%
	$	6,954	$	(211	)	97	%

The following table (dollars in millions) summarizes the unrealized losses for all securities with unrealized losses by issuer quality and the length of time those securities have been in an unrealized loss position: 

	Aggregate Fair Value		Aggregate Unrealized Loss			Fair Value as % of Cost Basis
Securities with Unrealized Losses at September 30, 2015
Investment grade fixed maturities with losses for:
Less than one year (633 securities)	$	5,314	$	(139	)	97	%
One year or longer (117 securities)	619		(22		)	97	%
	$	5,933	$	(161	)	97	%
Non-investment grade fixed maturities with losses for:
Less than one year (129 securities)	$	767	$	(30	)	96	%
One year or longer (71 securities)	254		(20		)	93	%
	$	1,021	$	(50	)	95	%
Common equity securities with losses for:
Less than one year (76 securities)	$	590	$	(94	)	86	%
One year or longer (none)	—		—			—	%
	$	590	$	(94	)	86	%
Perpetual preferred equity securities with losses for:
Less than one year (21 securities)	$	127	$	(4	)	97	%
One year or longer (4 securities)	26		(3		)	90	%
	$	153	$	(7	)	96	%

43

AMERICAN FINANCIAL GROUP, INC. 10-Q

Management’s Discussion and Analysis of Financial Condition and Results of Operations — Continued

When a decline in the value of a specific investment is considered to be “other-than-temporary,” a provision for impairment is charged to earnings (accounted for as a realized loss) and the cost basis of that investment is reduced by the amount of the charge. The determination of whether unrealized losses are “other-than-temporary” requires judgment based on subjective as well as objective factors as detailed in AFG’s 2014 Form 10-K under Management’s Discussion and Analysis — “Investments.”

Based on its analysis, management believes AFG will recover its cost basis in the securities with unrealized losses and that AFG has the ability to hold the securities until they recover in value and had no intent to sell them at September 30, 2015. Although AFG has the ability to continue holding its investments with unrealized losses, its intent to hold them may change due to deterioration in the issuers’ creditworthiness, decisions to lessen exposure to a particular issuer or industry, asset/liability management decisions, market movements, changes in views about appropriate asset allocation or the desire to offset taxable realized gains. Should AFG’s ability or intent change with regard to a particular security, a charge for impairment would likely be required. While it is not possible to accurately predict if or when a specific security will become impaired, charges for other-than-temporary impairment could be material to results of operations in future periods. Significant declines in the fair value of AFG’s investment portfolio could have a significant adverse effect on AFG’s liquidity.

Uncertainties   Management believes that the areas posing the greatest risk of material loss are the adequacy of its insurance reserves and contingencies arising out of its former railroad and manufacturing operations. See Management’s Discussion and Analysis — “Uncertainties” in AFG’s 2014 Form 10-K.

MANAGED INVESTMENT ENTITIES

Accounting standards require AFG to consolidate its investments in collateralized loan obligation (“CLO”) entities that it manages and owns an interest in (in the form of debt). See Note A — “Accounting Policies— Managed Investment Entities” and Note H— “Managed Investment Entities” to the financial statements. The effect of consolidating these entities is shown in the tables below (in millions). The “Before CLO Consolidation” columns include AFG’s investment and earnings in the CLOs on an unconsolidated basis.

44

AMERICAN FINANCIAL GROUP, INC. 10-Q

Management’s Discussion and Analysis of Financial Condition and Results of Operations — Continued

CONDENSED CONSOLIDATING BALANCE SHEET

	Before CLO Consolidation		Managed Investment Entities			Consol. Entries				Consolidated As Reported
September 30, 2015
Assets:
Cash and investments	$	38,456	$	—		$	(324	)	(a)	$	38,132
Assets of managed investment entities	—		3,613			—				3,613
Other assets	8,814		—			(2		)	(a)	8,812
Total assets	$	47,270	$	3,613		$	(326	)		$	50,557
Liabilities:
Unpaid losses and loss adjustment expenses and unearned premiums	$	10,299	$	—		$	—			$	10,299
Annuity, life, accident and health benefits and reserves	28,185		—			—				28,185
Liabilities of managed investment entities	—		3,598			(311		)	(a)	3,287
Long-term debt and other liabilities	3,880		—			—				3,880
Total liabilities	42,364		3,598			(311		)		45,651
Shareholders’ equity:
Common Stock and Capital surplus	1,282		15			(15		)		1,282
Retained earnings	2,981		—			—				2,981
Accumulated other comprehensive income, net of tax	461		—			—				461
Total shareholders’ equity	4,724		15			(15		)		4,724
Noncontrolling interests	182		—			—				182
Total equity	4,906		15			(15		)		4,906
Total liabilities and equity	$	47,270	$	3,613		$	(326	)		$	50,557
December 31, 2014
Assets:
Cash and investments	$	36,499	$	—		$	(289	)	(a)	$	36,210
Assets of managed investment entities	—		3,108			—				3,108
Other assets	8,219		—			(2		)	(a)	8,217
Total assets	$	44,718	$	3,108		$	(291	)		$	47,535
Liabilities:
Unpaid losses and loss adjustment expenses and unearned premiums	$	9,828	$	—		$	—			$	9,828
Annuity, life, accident and health benefits and reserves	25,939		—			—				25,939
Liabilities of managed investment entities	—		3,105			(286		)	(a)	2,819
Long-term debt and other liabilities	3,895		—			—				3,895
Total liabilities	39,662		3,105			(286		)		42,481
Shareholders’ equity:
Common Stock and Capital surplus	1,240		5			(5		)		1,240
Retained earnings:
Appropriated — managed investment entities	—		(2		)	—				(2		)
Unappropriated	2,914		—			—				2,914
Accumulated other comprehensive income, net of tax	727		—			—				727
Total shareholders’ equity	4,881		3			(5		)		4,879
Noncontrolling interests	175		—			—				175
Total equity	5,056		3			(5		)		5,054
Total liabilities and equity	$	44,718	$	3,108		$	(291	)		$	47,535

(a) Elimination of the fair value of AFG’s investment in CLOs and related accrued interest.

45

AMERICAN FINANCIAL GROUP, INC. 10-Q

Management’s Discussion and Analysis of Financial Condition and Results of Operations — Continued

CONDENSED CONSOLIDATING STATEMENT OF EARNINGS

	Before CLO Consolidation (a)			Managed Investment Entities			Consol. Entries				Consolidated As Reported
Three months ended September 30, 2015
Revenues:
Insurance net earned premiums	$	1,201		$	—		$	—			$	1,201
Net investment income	422			—			3			(b)	425
Realized gains (losses) on:
Securities	(16		)	—			—				(16		)
Subsidiaries	5			—			—				5
Income (loss) of managed investment entities:
Investment income	—			40			—				40
Gain (loss) on change in fair value of assets/liabilities	—			(1		)	(10		)	(b)	(11		)
Other income	44			—			(4		)	(c)	40
Total revenues	1,656			39			(11		)		1,684
Costs and Expenses:
Insurance benefits and expenses	1,446			—			—				1,446
Expenses of managed investment entities	—			39			(11		)	(b)(c)	28
Interest charges on borrowed money and other expenses	111			—			—				111
Total costs and expenses	1,557			39			(11		)		1,585
Earnings before income taxes	99			—			—				99
Provision for income taxes	33			—			—				33
Net earnings, including noncontrolling interests	66			—			—				66
Less: Net earnings attributable to noncontrolling interests	3			—			—				3
Net earnings attributable to shareholders	$	63		$	—		$	—			$	63
Three months ended September 30, 2014
Revenues:
Insurance net earned premiums	$	1,159		$	—		$	—			$	1,159
Net investment income	384			—			(7		)	(b)	377
Realized gains on securities	13			—			—				13
Income (loss) of managed investment entities:
Investment income	—			29			—				29
Gain (loss) on change in fair value of assets/liabilities	—			(23		)	(2		)	(b)	(25		)
Other income	35			—			(7		)	(c)	28
Total revenues	1,591			6			(16		)		1,581
Costs and Expenses:
Insurance benefits and expenses	1,326			—			—				1,326
Expenses of managed investment entities	—			33			(14		)	(b)(c)	19
Interest charges on borrowed money and other expenses	91			—			—				91
Total costs and expenses	1,417			33			(14		)		1,436
Earnings before income taxes	174			(27		)	(2		)		145
Provision for income taxes	54			—			—				54
Net earnings, including noncontrolling interests	120			(27		)	(2		)		91
Less: Net earnings (loss) attributable to noncontrolling interests	4			—			(29		)	(d)	(25		)
Net earnings attributable to shareholders	$	116		$	(27	)	$	27			$	116

(a) Includes ($3 million) in the third quarter of 2015 and $7 million in the third quarter of 2014, respectively, in net investment income representing the change in fair value of AFG’s CLO investments plus $4 million and $7 million in the third quarter of 2015 and 2014, respectively, in CLO management fees earned.

(b) Elimination of the change in fair value of AFG’s investments in the CLOs, including $7 million in both the third quarter of 2015 and 2014 in distributions recorded as interest expense by the CLOs.

(c) Elimination of management fees earned by AFG.

(d) Allocate losses of CLOs attributable to other debt holders to noncontrolling interests.

46

AMERICAN FINANCIAL GROUP, INC. 10-Q

Management’s Discussion and Analysis of Financial Condition and Results of Operations — Continued

CONDENSED CONSOLIDATING STATEMENT OF EARNINGS

	Before CLO Consolidation (a)			Managed Investment Entities			Consol. Entries				Consolidated As Reported
Nine months ended September 30, 2015
Revenues:
Insurance net earned premiums	$	3,184		$	—		$	—			$	3,184
Net investment income	1,222			—			(5		)	(b)	1,217
Realized gains (losses) on:
Securities	2			—			—				2
Subsidiaries	(157		)	—			—				(157		)
Income (loss) of managed investment entities:
Investment income	—			112			—				112
Gain (loss) on change in fair value of assets/liabilities	—			2			(18		)	(b)	(16		)
Other income	188			—			(11		)	(c)	177
Total revenues	4,439			114			(34		)		4,519
Costs and Expenses:
Insurance benefits and expenses	3,776			—			—				3,776
Expenses of managed investment entities	—			112			(32		)	(b)(c)	80
Interest charges on borrowed money and other expenses	308			—			—				308
Total costs and expenses	4,084			112			(32		)		4,164
Earnings before income taxes	355			2			(2		)		355
Provision for income taxes	115			—			—				115
Net earnings, including noncontrolling interests	240			2			(2		)		240
Less: Net earnings attributable to noncontrolling interests	17			—			—				17
Net earnings attributable to shareholders	$	223		$	2		$	(2	)		$	223
Nine months ended September 30, 2014
Revenues:
Insurance net earned premiums	$	2,899		$	—		$	—			$	2,899
Net investment income	1,135			—			(18		)	(b)	1,117
Realized gains on securities	44			—			—				44
Income (loss) of managed investment entities:
Investment income	—			84			—				84
Gain (loss) on change in fair value of assets/liabilities	—			(33		)	(2		)	(b)	(35		)
Other income	93			—			(18		)	(c)	75
Total revenues	4,171			51			(38		)		4,184
Costs and Expenses:
Insurance benefits and expenses	3,416			—			—				3,416
Expenses of managed investment entities	—			96			(36		)	(b)(c)	60
Interest charges on borrowed money and other expenses	272			—			—				272
Total costs and expenses	3,688			96			(36		)		3,748
Earnings before income taxes	483			(45		)	(2		)		436
Provision for income taxes	155			—			—				155
Net earnings, including noncontrolling interests	328			(45		)	(2		)		281
Less: Net earnings (loss) attributable to noncontrolling interests	3			—			(47		)	(d)	(44		)
Net earnings attributable to shareholders	$	325		$	(45	)	$	45			$	325

(a) Includes $5 million and $18 million for the first nine months of 2015 and 2014, respectively, in net investment income representing the change in fair value of AFG’s CLO investments plus $11 million and $18 million in the first nine months 2015 and 2014, respectively, in CLO management fees earned.

(b) Elimination of the change in fair value of AFG’s investments in the CLOs, including $21 million and $18 million in the first nine months of 2015 and 2014, respectively, in distributions recorded as interest expense by the CLOs.

(c) Elimination of management fees earned by AFG.

(d) Allocate losses of CLOs attributable to other debt holders to noncontrolling interests.

47

AMERICAN FINANCIAL GROUP, INC. 10-Q

Management’s Discussion and Analysis of Financial Condition and Results of Operations — Continued

RESULTS OF OPERATIONS

General AFG’s net earnings attributable to shareholders, determined in accordance with GAAP, include certain items that may not be indicative of its ongoing core operations. The following table identifies such items and reconciles net earnings attributable to shareholders to core net operating earnings, a non-GAAP financial measure that AFG believes is a useful tool for investors and analysts in analyzing ongoing operating trends (in millions, except per share amounts):

	Three months ended September 30,						Nine months ended September 30,
	2015			2014			2015			2014
Core net operating earnings	$	123		$	127		$	350		$	317
Loss on sale of long-term care business (*)	—			—			(105		)	—
Gain on sale of Le Pavillon Hotel (*)	—			—			26			—
Other realized gains (losses) (*)	(6		)	8			6			27
Special A&E charges (*)	(52		)	(19		)	(52		)	(19		)
Loss on retirement of debt (*)	(2		)	—			(2		)	—
Net earnings attributable to shareholders	$	63		$	116		$	223		$	325
Diluted per share amounts:
Core net operating earnings	$	1.38		$	1.40		$	3.92		$	3.47
Loss on sale of long-term care business	—			—			(1.18		)	—
Gain on sale of Le Pavillon Hotel	—			—			0.29			—
Other realized gains (losses)	(0.06		)	0.09			0.07			0.30
Special A&E charges	(0.58		)	(0.21		)	(0.58		)	(0.21		)
Loss on retirement of debt	(0.03		)	—			(0.03		)	—
Net earnings attributable to shareholders	$	0.71		$	1.28		$	2.49		$	3.56

(*) The tax effects of reconciling items are shown below (in millions):

Loss on sale of long-term care business	$	—	$	—		$	57		$	—
Gain on sale of Le Pavillon Hotel	—		—			(19		)	—
Other realized gains (losses)	4		(5		)	(2		)	(16		)
Special A&E charges	27		11			27			11
Loss on retirement of debt	2		—			2			—

In addition, reconciling items are shown net of noncontrolling interests as follows (in millions):

Gain on sale of Le Pavillon Hotel	$	—	$	—	$	(6	)	$	—
Other realized gains (losses)	1		—		1			(1		)

Net earnings attributable to shareholders decreased$53 million in the third quarter of 2015 compared to the same period in 2014 due primarily to higher special A&E charges and net realized losses on securities in the 2015 period compared to net realized gains on securities in the 2014 period. Core net operating earnings decreased$4 million in the third quarter of 2015 compared to the same period in 2014 due primarily to the impact of fair value accounting for fixed-indexed annuities, partially offset by higher core underwriting profit and net investment income in the property and casualty insurance segment and higher operating earnings in the run-off long-term care and life segment.

Net earnings attributable to shareholders decreased$102 million in the first nine months of 2015 compared to the same period in 2014 due primarily to the loss on the pending sale of AFG’s run-off long-term care insurance business, higher special A&E charges and lower realized gains, partially offset by the gain on the sale of Le Pavillon Hotel and higher core net operating earnings. Core net operating earnings increased$33 million in the first nine months of 2015 compared to the same period in 2014 due primarily to higher core underwriting profit and net investment income in the property and casualty insurance segment and higher operating earnings in the run-off long-term care and life segment, partially offset by the impact of fair value accounting for fixed-indexed annuities.

48

AMERICAN FINANCIAL GROUP, INC. 10-Q

Management’s Discussion and Analysis of Financial Condition and Results of Operations — Continued

RESULTS OF OPERATIONS — QUARTERS ENDED SEPTEMBER 30, 2015 AND 2014

Segmented Statement of Earnings   AFG reports its business as four segments: (i) Property and casualty insurance (“P&C”), (ii) Annuity, (iii) Run-off long-term care and life and (iv) Other, which includes holding company costs and income and expenses related to the managed investment entities (“MIEs”).

AFG’s net earnings attributable to shareholders, determined in accordance with GAAP, include certain items that may not be indicative of its ongoing core operations. The following tables for the quarters ended September 30, 2015 and 2014 identify such items by segment and reconcile net earnings attributable to shareholders to core net operating earnings, a non-GAAP financial measure that AFG believes is a useful tool for investors and analysts in analyzing ongoing operating trends (in millions):

								Other
	P&C			Annuity		Run-off long-term care and life		Consol. MIEs			Holding Co., other and unallocated			Total			Non-core reclass			GAAP Total
Quarter ended September 30, 2015
Revenues:
Property and casualty insurance net earned premiums	$	1,173		$	—	$	—	$	—		$	—		$	1,173		$	—		$	1,173
Life, accident and health net earned premiums	—			—		28		—			—			28			—			28
Net investment income	83			317		20		3			2			425			—			425
Realized gains (losses) on:
Securities	—			—		—		—			—			—			(16		)	(16		)
Subsidiaries	—			—		—		—			—			—			5			5
Income (loss) of MIEs:
Investment income	—			—		—		40			—			40			—			40
Gain (loss) on change in fair value of assets/liabilities	—			—		—		(11		)	—			(11		)	—			(11		)
Other income	2			22		1		(4		)	19			40			—			40
Total revenues	1,258			339		49		28			21			1,695			(11		)	1,684
Costs and Expenses:
Property and casualty insurance:
Losses and loss adjustment expenses	758			—		—		—			—			758			67			825
Commissions and other underwriting expenses	333			—		—		—			3			336			—			336
Annuity benefits	—			208		—		—			—			208			—			208
Life, accident and health benefits	—			—		31		—			—			31			—			31
Annuity and supplemental insurance acquisition expenses	—			42		4		—			—			46			—			46
Interest charges on borrowed money	—			—		—		—			18			18			—			18
Expenses of MIEs	—			—		—		28			—			28			—			28
Other expenses	10			22		8		—			37			77			16			93
Total costs and expenses	1,101			272		43		28			58			1,502			83			1,585
Earnings before income taxes	157			67		6		—			(37		)	193			(94		)	99
Provision for income taxes	54			22		2		—			(12		)	66			(33		)	33
Net earnings, including noncontrolling interests	103			45		4		—			(25		)	127			(61		)	66
Less: Net earnings attributable to noncontrolling interests	4			—		—		—			—			4			(1		)	3
Core Net Operating Earnings	99			45		4		—			(25		)	123
Non-core earnings attributable to shareholders (a):
Realized gains (losses), net of tax and noncontrolling interests	—			—		—		—			(6		)	(6		)	6			—
Special A&E charges, net of tax	(44		)	—		—		—			(8		)	(52		)	52			—
Loss on retirement of debt, net of tax	—			—		—		—			(2		)	(2		)	2			—
Net Earnings Attributable to Shareholders	$	55		$	45	$	4	$	—		$	(41	)	$	63		$	—		$	63

49

AMERICAN FINANCIAL GROUP, INC. 10-Q

Management’s Discussion and Analysis of Financial Condition and Results of Operations — Continued

								Other
	P&C			Annuity		Run-off long-term care and life		Consol. MIEs			Holding Co., other and unallocated			Total			Non-core reclass			GAAP Total
Quarter ended September 30, 2014
Revenues:
Property and casualty insurance net earned premiums	$	1,132		$	—	$	—	$	—		$	—		$	1,132		$	—		$	1,132
Life, accident and health net earned premiums	—			—		27		—			—			27			—			27
Net investment income	76			287		20		(7		)	1			377			—			377
Realized gains on securities	—			—		—		—			—			—			13			13
Income (loss) of MIEs:
Investment income	—			—		—		29			—			29			—			29
Gain (loss) on change in fair value of assets/liabilities	—			—		—		(25		)	—			(25		)	—			(25		)
Other income	4			20		1		(7		)	10			28			—			28
Total revenues	1,212			307		48		(10		)	11			1,568			13			1,581
Costs and Expenses:
Property and casualty insurance:
Losses and loss adjustment expenses	760			—		—		—			—			760			24			784
Commissions and other underwriting expenses	302			—		—		—			—			302			—			302
Annuity benefits	—			157		—		—			—			157			—			157
Life, accident and health benefits	—			—		37		—			—			37			—			37
Annuity and supplemental insurance acquisition expenses	—			41		5		—			—			46			—			46
Interest charges on borrowed money	1			—		—		—			17			18			—			18
Expenses of MIEs	—			—		—		19			—			19			—			19
Other expenses	15			23		5		—			24			67			6			73
Total costs and expenses	1,078			221		47		19			41			1,406			30			1,436
Earnings before income taxes	134			86		1		(29		)	(30		)	162			(17		)	145
Provision for income taxes	42			28		—		—			(10		)	60			(6		)	54
Net earnings, including noncontrolling interests	92			58		1		(29		)	(20		)	102			(11		)	91
Less: Net earnings (loss) attributable to noncontrolling interests	4			—		—		(29		)	—			(25		)	—			(25		)
Core Net Operating Earnings	88			58		1		—			(20		)	127
Non-core earnings attributable to shareholders (a):
Realized gains on securities, net of tax and noncontrolling interests	—			—		—		—			8			8			(8		)	—
Special A&E charges, net of tax	(15		)	—		—		—			(4		)	(19		)	19			—
Net Earnings Attributable to Shareholders	$	73		$	58	$	1	$	—		$	(16	)	$	116		$	—		$	116

(a) See the reconciliation of core earnings to GAAP net earnings under “Results of Operations — General” for details on the tax and noncontrolling interest impacts of these reconciling items.

Property and Casualty Insurance Segment — Results of Operations   Performance measures such as underwriting profit or loss and related combined ratios are often used by property and casualty insurers to help users of their financial statements better understand the company’s performance. Underwriting profitability is measured by the combined ratio, which is a sum of the ratios of losses and loss adjustment expenses, and commissions and other underwriting expenses to premiums. A combined ratio under 100% indicates an underwriting profit. The combined ratio does not reflect net investment income, other income, other expenses or federal income taxes.

AFG’s property and casualty insurance operations contributed $90 million in GAAP pretax earnings in the third quarter of 2015 compared to $110 million in the third quarter of 2014, a decrease of $20 million (18%). Property and casualty core pretax earnings were $157 million in the third quarter of 2015 compared to $134 million in the third quarter of 2014, an increase of $23 million (17%). The decrease in GAAP pretax earnings reflects higher special A&E charges in the third quarter of 2015

50

AMERICAN FINANCIAL GROUP, INC. 10-Q

Management’s Discussion and Analysis of Financial Condition and Results of Operations — Continued

compared to the 2014third quarter, partially offset by higher core earnings. The increase in core pretax earnings reflects higher underwriting profit in the Property and transportation and Specialty financial groups and higher net investment income.

The following table details AFG’s GAAP and core earnings before income taxes from its property and casualty insurance operations for the three months ended September 30, 2015 and 2014 (dollars in millions):

	Three months ended September 30,
	2015			2014			% Change
Gross written premiums	$	1,962		$	1,859		6	%
Reinsurance premiums ceded	(643		)	(617		)	4	%
Net written premiums	1,319			1,242			6	%
Change in unearned premiums	(146		)	(110		)	33	%
Net earned premiums	1,173			1,132			4	%
Loss and loss adjustment expenses (*)	758			760			—	%
Commissions and other underwriting expenses	333			302			10	%
Core underwriting gain	82			70			17	%
Net investment income	83			76			9	%
Other income and expenses, net	(8		)	(12		)	(33	%)
Core earnings before income taxes	157			134			17	%
Pretax non-core special A&E charges	(67		)	(24		)	179	%
GAAP earnings before income taxes	$	90		$	110		(18	%)
(*)   Excludes pretax non-core special A&E charges of $67 million and $24 million in the third quarter of 2015 and 2014, respectively.
Combined Ratios:
Specialty lines							Change
Loss and LAE ratio	64.5		%	67.1		%	(2.6	%)
Underwriting expense ratio	28.4		%	26.7		%	1.7	%
Combined ratio	92.9		%	93.8		%	(0.9	%)
Aggregate — including discontinued lines
Loss and LAE ratio	70.3		%	69.3		%	1.0	%
Underwriting expense ratio	28.4		%	26.7		%	1.7	%
Combined ratio	98.7		%	96.0		%	2.7	%

While AFG desires and seeks to earn an underwriting profit on all of its business, it is not always possible to do so. As a result, AFG attempts to expand in the most profitable businesses and control growth or even reduce its involvement in the least profitable businesses.

AFG reports the underwriting performance of its Specialty property and casualty insurance business in the following sub-segments: (i) Property and transportation, (ii) Specialty casualty and (iii) Specialty financial.

To understand the overall profitability of particular lines, the timing of claims payments and the related impact of investment income must be considered. Certain “short-tail” lines of business (primarily property coverages) generally have quick loss payouts, which reduce the time funds are held, thereby limiting investment income earned thereon. In contrast, “long-tail” lines of business (primarily liability coverages and workers’ compensation) generally have payouts that are either structured over many years or take many years to settle, thereby significantly increasing investment income earned on related premiums received.

51

AMERICAN FINANCIAL GROUP, INC. 10-Q

Management’s Discussion and Analysis of Financial Condition and Results of Operations — Continued

Gross Written Premiums

Gross written premiums (“GWP”) for AFG’s property and casualty insurance segment were $1.96 billion for the third quarter of 2015 compared to $1.86 billion for the third quarter of 2014, an increase of $103 million (6%). Detail of AFG’s property and casualty gross written premiums is shown below (dollars in millions):

	Three months ended September 30,
	2015				2014
	GWP		%		GWP		%		% Change
Property and transportation	$	1,064	54	%	$	995	54	%	7	%
Specialty casualty	734		37	%	707		38	%	4	%
Specialty financial	164		9	%	157		8	%	4	%
	$	1,962	100	%	$	1,859	100	%	6	%

Reinsurance Premiums Ceded

Reinsurance premiums ceded (“Ceded”) for AFG’s property and casualty insurance segment were 33% of gross written premiums for the third quarter of 2015 and 2014. Detail of AFG’s property and casualty reinsurance premiums ceded is shown below (dollars in millions):

	Three months ended September 30,
	2015					2014					Change in
	Ceded			% of GWP		Ceded			% of GWP		% of GWP
Property and transportation	$	(456	)	43	%	$	(439	)	44	%	(1	%)
Specialty casualty	(189		)	26	%	(171		)	24	%	2	%
Specialty financial	(27		)	16	%	(36		)	23	%	(7	%)
Other specialty	29					29
	$	(643	)	33	%	$	(617	)	33	%	—	%

Net Written Premiums

Net written premiums (“NWP”) for AFG’s property and casualty insurance segment were $1.32 billion for the third quarter of 2015 compared to $1.24 billion for the third quarter of 2014, an increase of $77 million (6%). Detail of AFG’s property and casualty net written premiums is shown below (dollars in millions):

	Three months ended September 30,
	2015				2014
	NWP		%		NWP		%		% Change
Property and transportation	$	608	46	%	$	556	45	%	9	%
Specialty casualty	545		41	%	536		43	%	2	%
Specialty financial	137		10	%	121		10	%	13	%
Other specialty	29		3	%	29		2	%	—	%
	$	1,319	100	%	$	1,242	100	%	6	%

52

AMERICAN FINANCIAL GROUP, INC. 10-Q

Management’s Discussion and Analysis of Financial Condition and Results of Operations — Continued

Net Earned Premiums

Net earned premiums (“NEP”) for AFG’s property and casualty insurance segment were $1.17 billion for the third quarter of 2015 compared to $1.13 billion for the third quarter of 2014, an increase of $41 million (4%). Detail of AFG’s property and casualty net earned premiums is shown below (dollars in millions):

	Three months ended September 30,
	2015				2014
	NEP		%		NEP		%		% Change
Property and transportation	$	517	44	%	$	504	45	%	3	%
Specialty casualty	503		43	%	486		43	%	3	%
Specialty financial	131		11	%	115		10	%	14	%
Other specialty	22		2	%	27		2	%	(19	%)
	$	1,173	100	%	$	1,132	100	%	4	%

The $103 million (6%) increase in gross written premiums for the third quarter of 2015 compared to the third quarter of 2014 reflects growth in each of the Specialty property and casualty sub-segments. Overall average renewal rates were flat in the third quarter of 2015.

Property and transportation Gross written premiums increased$69 million (7%) in the third quarter of 2015 compared to the third quarter of 2014. This increase was due primarily to growth in the transportation businesses, as a result of new accounts and organic growth in several product lines, as well as higher premiums in the agricultural businesses. Average renewal rates were up approximately 4% for this group in the third quarter of 2015, including a 5% increase in National Interstate’s renewal rates. Reinsurance premiums ceded as a percentage of gross written premiums declined 1 percentage point for the third quarter of 2015 compared to the third quarter of 2014, reflecting a change in the mix of business.

Specialty casualty Gross written premiums increased$27 million (4%) in the third quarter of 2015 compared to the third quarter of 2014. The majority of businesses in this group reported growth, particularly the excess and surplus businesses. This growth was partially offset by lower premiums in the general liability business, primarily the result of competitive market conditions, re-underwriting efforts within the Florida homebuilders market and the slowdown within the energy sector. Average renewal rates decreased approximately 2% for this group in the third quarter of 2015, due primarily to lower pricing in the workers’ compensation businesses. Excluding the workers’ compensation business, average renewal rates for this group increased approximately 1% during the quarter. Reinsurance premiums ceded as a percentage of gross written premiums increased 2 percentage points for the third quarter of 2015 compared to the third quarter of 2014, reflecting a change in the mix of business.

Specialty financial Gross written premiums increased by $7 million (4%) in the third quarter of 2015 compared to the third quarter of 2014 due primarily to growth and higher retentions in the financial institutions business. Average renewal rates for this group were flat in the third quarter of 2015. Reinsurance premiums ceded as a percentage of gross written premiums declined7 percentage points for the third quarter of 2015 compared to the third quarter of 2014, reflecting a decline in auto dealer business, which is heavily reinsured.

Other specialty The amounts shown as reinsurance premiums ceded represent business assumed by AFG’s internal reinsurance program from the operations that make up AFG’s other Specialty sub-segments.

53

AMERICAN FINANCIAL GROUP, INC. 10-Q

Management’s Discussion and Analysis of Financial Condition and Results of Operations — Continued

Combined Ratio

The table below details the components of the combined ratio for AFG’s property and casualty segment (dollars in millions):

	Three months ended September 30,						Three months ended September 30,
	2015		2014		Change		2015		2014
Property and transportation
Loss and LAE ratio	75.7	%	80.7	%	(5.0	%)
Underwriting expense ratio	20.5	%	17.1	%	3.4	%
Combined ratio	96.2	%	97.8	%	(1.6	%)
Underwriting profit							$	20	$	11
Specialty casualty
Loss and LAE ratio	64.2	%	63.7	%	0.5	%
Underwriting expense ratio	29.6	%	29.6	%	—	%
Combined ratio	93.8	%	93.3	%	0.5	%
Underwriting profit							$	31	$	32
Specialty financial
Loss and LAE ratio	27.7	%	27.7	%	—	%
Underwriting expense ratio	52.9	%	53.9	%	(1.0	%)
Combined ratio	80.6	%	81.6	%	(1.0	%)
Underwriting profit							$	26	$	21
Total Specialty
Loss and LAE ratio	64.5	%	67.1	%	(2.6	%)
Underwriting expense ratio	28.4	%	26.7	%	1.7	%
Combined ratio	92.9	%	93.8	%	(0.9	%)
Underwriting profit							$	84	$	70
Aggregate — including discontinued lines
Loss and LAE ratio	70.3	%	69.3	%	1.0	%
Underwriting expense ratio	28.4	%	26.7	%	1.7	%
Combined ratio	98.7	%	96.0	%	2.7	%
Underwriting profit							$	15	$	46

The Specialty property and casualty insurance operations generated an underwriting profit of $84 million in the third quarter of 2015 compared to $70 million in the third quarter of 2014, an increase of $14 million (20%). The higher underwriting profit in the 2015third quarter reflects higher underwriting profits in the Property and transportation and Specialty financial sub-segments.

Property and transportation Underwriting profit for this group was $20 million for the third quarter of 2015 compared to $11 million in the third quarter of 2014, an increase of $9 million (82%). Higher underwriting profit in the agricultural and transportation businesses was partially offset by lower underwriting profitability in the property and inland marine and ocean marine businesses.

Specialty casualty Underwriting profit for this group was $31 million for the third quarter of 2015 compared to $32 million in the third quarter of 2014, a decrease of $1 million (3%). Higher underwriting profitability in the workers’ compensation businesses was offset by lower underwriting results in the international business.

Specialty financial Underwriting profit for this group was $26 million for the third quarter of 2015 compared to $21 million in the third quarter of 2014, an increase of $5 million (24%). This increase was due primarily to higher underwriting profit in the financial institutions business.

54

AMERICAN FINANCIAL GROUP, INC. 10-Q

Management’s Discussion and Analysis of Financial Condition and Results of Operations — Continued

Other specialty Underwriting profit for this group was $7 million for the third quarter of 2015 compared to $6 million in the third quarter of 2014, an increase of $1 million (17%). The increase reflects higher profitability in the business assumed by AFG’s internal reinsurance program from the operations that make up AFG’s other Specialty sub-segments.

Aggregate As discussed below in more detail under Net prior year reserve development, AFG recorded special charges to increase property and casualty A&E reserves (net of reinsurance) by $67 million in the third quarter of 2015 and $24 million in the third quarter of 2014.

Losses and Loss Adjustment Expenses

AFG’s overall loss and LAE ratio was 70.3% for the third quarter of 2015 compared to 69.3% for the third quarter of 2014, an increase of 1.0 percentage point. The components of AFG’s property and casualty losses and LAE amounts and ratio are detailed below (dollars in millions):

	Three months ended September 30,
	Amount						Ratio				Change in
	2015			2014			2015		2014		Ratio
Property and transportation
Current year, excluding catastrophe losses	$	386		$	411		74.6	%	81.4	%	(6.8	%)
Prior accident years development	(2		)	(5		)	(0.4	%)	(0.9	%)	0.5	%
Current year catastrophe losses	7			1			1.5	%	0.2	%	1.3	%
Property and transportation losses and LAE and ratio	$	391		$	407		75.7	%	80.7	%	(5.0	%)
Specialty casualty
Current year, excluding catastrophe losses	$	319		$	302		63.3	%	62.0	%	1.3	%
Prior accident years development	3			7			0.6	%	1.3	%	(0.7	%)
Current year catastrophe losses	1			1			0.3	%	0.4	%	(0.1	%)
Specialty casualty losses and LAE and ratio	$	323		$	310		64.2	%	63.7	%	0.5	%
Specialty financial
Current year, excluding catastrophe losses	$	43		$	42		32.9	%	36.4	%	(3.5	%)
Prior accident years development	(8		)	(10		)	(5.8	%)	(9.0	%)	3.2	%
Current year catastrophe losses	1			—			0.6	%	0.3	%	0.3	%
Specialty financial losses and LAE and ratio	$	36		$	32		27.7	%	27.7	%	—	%
Total Specialty
Current year, excluding catastrophe losses	$	760		$	768		64.8	%	67.8	%	(3.0	%)
Prior accident years development	(14		)	(11		)	(1.2	%)	(1.0	%)	(0.2	%)
Current year catastrophe losses	10			3			0.9	%	0.3	%	0.6	%
Total Specialty losses and LAE and ratio	$	756		$	760		64.5	%	67.1	%	(2.6	%)
Aggregate — including discontinued lines
Current year, excluding catastrophe losses	$	760		$	768		64.8	%	67.8	%	(3.0	%)
Prior accident years development	55			13			4.6	%	1.2	%	3.4	%
Current year catastrophe losses	10			3			0.9	%	0.3	%	0.6	%
Aggregate losses and LAE and ratio	$	825		$	784		70.3	%	69.3	%	1.0	%

Current accident year losses and LAE, excluding catastrophe losses

The current accident year loss and LAE ratio, excluding catastrophe losses for AFG’s Specialty property and casualty insurance operations was 64.8% for the third quarter of 2015 compared to 67.8% for the third quarter of 2014, an improvement of 3.0%.

Property and transportation   The 6.8 percentage point decrease in the loss and LAE ratio for the current year, excluding catastrophe losses reflects an improvement in the loss and LAE ratio of the trucking and agricultural businesses in the third quarter of 2015 compared to the third quarter of 2014.

55

AMERICAN FINANCIAL GROUP, INC. 10-Q

Management’s Discussion and Analysis of Financial Condition and Results of Operations — Continued

Specialty casualty   The 1.3 percentage point increase in the loss and LAE ratio for the current year, excluding catastrophe losses reflects an increase in the loss and LAE ratio in the international, general liability and excess and surplus businesses, partially offset by a decrease in the loss and LAE ratio of the workers’ compensation businesses.

Specialty financial The 3.5 percentage point decrease in the loss and LAE ratio for the current year, excluding catastrophe losses reflects an improvement in the loss and LAE ratio of the fidelity and equipment leasing businesses.

Net prior year reserve development

AFG’s Specialty property and casualty insurance operations recorded net favorable reserve development related to prior accident years of $14 million in the third quarter of 2015 compared to $11 million in the third quarter of 2014, an increase of $3 million.

Property and transportation Net favorable reserve development of $2 million in the third quarter of 2015 reflects lower than expected claim severity in the property and inland marine business, agricultural operations and a run-off book of homebuilders business, partially offset by higher than anticipated claim frequency in the ocean marine business and higher than expected claim frequency and severity in the trucking business. Net favorable reserve development of $5 million in the third quarter of 2014 reflects lower than expected claim severity in commercial auto liability business written in the transportation businesses and lower than expected claim severity in the property and inland marine business.

Specialty casualty Net adverse reserve development of $3 million in the third quarter of 2015 includes adverse reserve development in the international business and higher than anticipated claim severity and frequency in contractor claims, partially offset by lower than anticipated claim severity in workers’ compensation business, lower than expected claim severity in directors and officers liability insurance and lower than anticipated claim severity and frequency in excess liability insurance. Net adverse reserve development of $7 million in the third quarter of 2014 reflects higher than expected claim severity in contractor claims and in a run-off book of casualty business, partially offset by lower than anticipated claim severity in workers’ compensation business, and favorable reserve development in the international business.

Specialty financial Net favorable reserve development of $8 million in the third quarter of 2015 reflects lower than anticipated claim severity in the fidelity business, lower than expected claim frequency and severity in the surety business and lower than expected claim frequency in products for financial institutions, partially offset by higher than anticipated claim severity in the trade credit business. Net favorable reserve development of $10 million in the third quarter of 2014 reflects lower than expected claim severity in the surety and fidelity businesses.

Other specialty In addition to the development discussed above, total Specialty prior year reserve development includes net favorable reserve development of $7 million in the third quarter of 2015 and $3 million in the third quarter of 2014 reflecting amortization of the deferred gain on the retroactive insurance transaction entered into in connection with the sale of businesses in 1998 and 2001 and reserve development associated with AFG’s internal reinsurance program.

Special Asbestos and Environmental Reserve Charges   During the third quarter of 2015, AFG completed a comprehensive external study of its asbestos and environmental exposures relating to the run-off operations of its property and casualty insurance segment and its exposures related to former railroad and manufacturing operations and sites. AFG has periodically conducted comprehensive external studies of its asbestos and environmental reserves with the aid of specialty actuarial, engineering and consulting firms and outside counsel, generally every two years, with an in-depth internal review during the intervening years.

As a result of the 2015 external study, AFG’s property and casualty insurance segment recorded a $67 million pretax special charge to increase its asbestos reserves by $25 million (net of reinsurance) and its environmental reserves by $42 million (net of reinsurance). As the overall industry exposure to asbestos has matured, the focus of litigation has shifted to smaller companies and companies with ancillary exposures. AFG’s insureds with these exposures have been the driver of the property and casualty segment’s asbestos reserve increases in recent years; AFG has seen increased estimates for indemnity and defense compared to prior studies. The increase in property and casualty environmental reserves was attributed primarily to increased defense costs and a number of claims where the estimated costs of remediation have increased. As in past years, there were no new or emerging broad industry trends that were identified in this study.

At September 30, 2015, the property and casualty insurance segment’s insurance reserves include A&E reserves of $336 million, net of reinsurance recoverables. At September 30, 2015, the property and casualty insurance segment’s three-year survival ratios, excluding amounts associated with the settlements of two large asbestos claims, were 15.3 times paid losses for

56

AMERICAN FINANCIAL GROUP, INC. 10-Q

Management’s Discussion and Analysis of Financial Condition and Results of Operations — Continued

asbestos reserves, 8.2 times paid losses for environmental reserves and 11.5 times paid losses for total A&E reserves. These ratios compare favorably with data published by A.M. Best in October 2015, which indicate that industry survival ratios were 8.8 for asbestos, 6.3 for environmental, and 8.2 for total A&E reserves at December 31, 2014.

In addition, the 2015 external study encompassed reserves for asbestos and environmental exposures of AFG’s former railroad and manufacturing operations. For a discussion of the $12 million charge recorded for those operations, see “Results of Operations — Holding Company, Other and Unallocated.”

As a result of the 2014 internal review, AFG’s property and casualty insurance segment recorded a $24 million pretax special charge to increase its asbestos reserves by $4 million (net of reinsurance) and its environmental reserves by $20 million (net of reinsurance). The 2014 charge to increase property and casualty environmental reserves related primarily to AFG’s increased defense costs and a number of claims where the estimated costs of remediation have increased. See Management’s Discussion and Analysis — “Uncertainties — Asbestos and Environmental-related (“A&E”) Insurance Reserves” and Management’s Discussion and Analysis — “Results of Operations — Holding Company, Other and Unallocated” in AFG’s 2014 Form 10-K.

Aggregate Aggregate net prior accident years reserve development for AFG’s property and casualty segment includes the special A&E charges discussed above and adverse reserve development of $2 million in the third quarter of 2015 related to business outside of the Specialty group that AFG no longer writes.

Catastrophe losses

AFG generally seeks to reduce its exposure to catastrophes through individual risk selection, including minimizing coastal and known fault-line exposures, and the purchase of reinsurance. Based on data available at December 31, 2014, AFG’s exposure to a catastrophic earthquake or windstorm that industry models indicate could occur once in every 500 years (a “500-year event”) is expected to be less than 3.5% of AFG’s shareholders’ equity. Catastrophe losses of $7 million in the third quarter of 2015 in the Property and transportation group resulted primarily from multiple storms in the midwestern and central United States.

Commissions and Other Underwriting Expenses

AFG’s property and casualty commissions and other underwriting expenses (“U/W Exp”) were $333 million in the third quarter of 2015 compared to $302 million for the third quarter of 2014, an increase of $31 million (10%). AFG’s underwriting expense ratio, calculated as commissions and other underwriting expenses divided by net premiums earned, was 28.4% for the third quarter of 2015 compared to 26.7% for the third quarter of 2014, an increase of 1.7 percentage points. Detail of AFG’s property and casualty commissions and other underwriting expenses and underwriting expense ratios is shown below (dollars in millions):

	Three months ended September 30,
	2015				2014				Change in
	U/W Exp		% of NEP		U/W Exp		% of NEP		% of NEP
Property and transportation	$	106	20.5	%	$	86	17.1	%	3.4	%
Specialty casualty	149		29.6	%	144		29.6	%	—	%
Specialty financial	69		52.9	%	62		53.9	%	(1.0	%)
Other specialty	9		37.9	%	10		34.6	%	3.3	%
	$	333	28.4	%	$	302	26.7	%	1.7	%

The overall increase of 1.7% in AFG’s expense ratio in the third quarter of 2015 as compared to the third quarter of 2014 reflects a change in the mix of business, partially offset by the impact of higher premiums on the ratio.

Property and transportation   Commissions and other underwriting expenses as a percentage of net earned premiums increased 3.4 percentage points in the third quarter of 2015 compared to the third quarter of 2014 reflecting higher profitability based commissions paid to agents and brokers and a change in the mix of business.

Specialty casualty   Commissions and other underwriting expenses as a percentage of net earned premiums were comparable in the third quarter of 2015 and the third quarter of 2014.

Specialty financial   Commissions and other underwriting expenses as a percentage of net earned premiums decreased1.0 percentage point in the third quarter of 2015 compared to the third quarter of 2014 reflecting the impact of higher premiums on the ratio, partially offset by a decline in auto dealer business, which has a lower expense ratio than AFG’s overall Specialty financial group.

57

AMERICAN FINANCIAL GROUP, INC. 10-Q

Management’s Discussion and Analysis of Financial Condition and Results of Operations — Continued

Property and Casualty Net Investment Income

Net investment income in AFG’s property and casualty operations was $83 million for the third quarter of 2015 compared to $76 million in the third quarter of 2014, an increase of $7 million (9%). In recent years, yields available in the financial markets on fixed maturity securities have generally declined, placing downward pressure on AFG’s investment portfolio yield. The average invested assets and overall yield earned on investments held by AFG’s property and casualty operations are provided below (dollars in millions):

	Three months ended September 30,
	2015			2014			Change			% Change
Net investment income	$	83		$	76		$	7		9	%
Average invested assets (at amortized cost)	$	8,984		$	8,360		$	624		7	%
Yield (net investment income as a % of average invested assets)	3.70		%	3.64		%	0.06		%
Tax equivalent yield (*)	4.28		%	4.26		%	0.02		%

(*)   Adjusts the yield on equity securities and tax-exempt bonds to the fully taxable equivalent yield.

The increase in average invested assets and net investment income in the property and casualty segment for the third quarter of 2015 as compared to the third quarter of 2014 is due primarily to growth in the property and casualty segment. The property and casualty segment’s overall yield on investments (net investment income as a percentage of average invested assets) was 3.70% for the third quarter of 2015 compared to 3.64% for the third quarter of 2014, an increase of 0.06 percentage points, reflecting the impact of higher equity in the earnings of limited partnerships and similar investments, partially offset by lower yields available in the financial markets.

Property and Casualty Other Income and Expenses, Net

Other income and expenses, net for AFG’s property and casualty operations was net expense of $8 million for the third quarter of 2015 compared to $12 million for the third quarter of 2014. The table below details the items included in other income and expenses, net for AFG’s property and casualty operations (in millions):

	Three months ended September 30,
	2015			2014
Other income
Income from the sale of real estate	$	—		$	2
Other	2			2
Total other income	2			4
Other expenses
Amortization of intangibles	2			6
Other	8			9
Total other expenses	10			15
Interest expense	—			1
Other income and expenses, net	$	(8	)	$	(12	)

The lower amortization of intangibles in the third quarter of 2015 compared to the third quarter of 2014 reflects the impact of intangible assets related to two acquisitions that became fully amortized in 2014.

Interest expense for AFG’s property and casualty operations includes interest charges on long-term debt within the property and casualty operations, primarily notes secured by real estate.

58

AMERICAN FINANCIAL GROUP, INC. 10-Q

Management’s Discussion and Analysis of Financial Condition and Results of Operations — Continued

Annuity Segment — Results of Operations

AFG’s annuity operations contributed $67 million in pretax earnings in the third quarter of 2015 compared to $86 million in the third quarter of 2014, a decrease of $19 million (22%). While AFG’s average annuity investments (at amortized cost) were 13% higher for the third quarter of 2015 as compared to the third quarter of 2014, the benefit of this growth was more than offset by the negative impact that the significant stock market decrease and lower than anticipated interest rates had on the fair value accounting for fixed-indexed annuities (“FIAs”) and other annuity reserves during the third quarter of 2015.

The following table details AFG’s earnings before income taxes from its annuity operations for the three months ended September 30, 2015 and 2014 (dollars in millions):

	Three months ended September 30,
	2015		2014		% Change
Revenues:
Net investment income	$	317	$	287	10	%
Other income:
Guaranteed withdrawal benefit fees	11		9		22	%
Policy charges and other miscellaneous income	11		11		—	%
Total revenues	339		307		10	%
Costs and Expenses:
Annuity benefits (*)	208		157		32	%
Acquisition expenses	42		41		2	%
Other expenses	22		23		(4	%)
Total costs and expenses	272		221		23	%
Earnings before income taxes	$	67	$	86	(22	%)

Detail of annuity earnings before income taxes (dollars in millions):

	Three months ended September 30,
	2015			2014			% Change
Earnings before income taxes — before the impact of derivatives related to FIAs	$	89		$	87		2	%
Impact of derivatives related to FIAs	(22		)	(1		)	2,100	%
Earnings before income taxes	$	67		$	86		(22	%)

(*) Annuity benefits consisted of the following (dollars in millions):

	Three months ended September 30,
	2015			2014			% Change
Interest credited — fixed	$	135		$	126		7	%
Interest credited — fixed component of variable annuities	2			2			—	%
Change in expected death and annuitization reserve	5			5			—	%
Amortization of sales inducements	6			7			(14	%)
Change in guaranteed withdrawal benefit reserve	20			12			67	%
Change in other benefit reserves	3			3			—	%
Subtotal before impact of derivatives related to FIAs	171			155			10	%
Derivatives related to fixed-indexed annuities:
Embedded derivative mark-to-market	(130		)	21			(719	%)
Equity option mark-to-market	167			(19		)	(979	%)
Impact of derivatives related to FIAs	37			2			1,750	%
Total annuity benefits	$	208		$	157		32	%

The profitability of a fixed annuity business is largely dependent on the ability of a company to earn income on the assets supporting the business in excess of the amounts credited to policyholder accounts plus expenses incurred (earning a “spread”). Performance measures such as net interest spread and net spread earned are often presented by annuity businesses to help users of their financial statements better understand the company’s performance.

59

AMERICAN FINANCIAL GROUP, INC. 10-Q

Management’s Discussion and Analysis of Financial Condition and Results of Operations — Continued

Net Spread on Fixed Annuities (excludes variable annuity earnings)

The table below (dollars in millions) details the components of these spreads for AFG’s fixed annuity operations (including fixed-indexed annuities):

	Three months ended September 30,
	2015			2014			% Change
Average fixed annuity investments (at amortized cost)	$	25,642		$	22,730		13	%
Average fixed annuity benefits accumulated	25,316			22,475			13	%
As % of fixed annuity benefits accumulated (except as noted):
Net investment income (as % of fixed annuity investments)	4.92		%	5.01		%
Interest credited — fixed	(2.12		%)	(2.24		%)
Net interest spread	2.80		%	2.77		%
Policy charges and other miscellaneous income	0.12		%	0.14		%
Other annuity benefit expenses, net of guaranteed withdrawal benefit fees	(0.36		%)	(0.33		%)
Acquisition expenses	(0.61		%)	(0.69		%)
Other expenses	(0.34		%)	(0.37		%)
Change in fair value of derivatives related to fixed-indexed annuities	(0.59		%)	(0.04		%)
Net spread earned on fixed annuities	1.02		%	1.48		%

The table below illustrates the impact of fair value accounting for derivatives related to fixed-indexed annuities on the annuity segment’s net spread earned on fixed annuities:

	Three months ended September 30,
	2015		2014
Net spread earned on fixed annuities — before impact of derivatives related to fixed-indexed annuities	1.37	%	1.50	%
Impact of derivatives related to fixed-indexed annuities (*)	(0.35	%)	(0.02	%)
Net spread earned on fixed annuities	1.02	%	1.48	%

(*) Change in fair value of derivatives related to fixed-indexed annuities offset by an estimate of the related acceleration/ deceleration of amortization of deferred sales inducements and deferred policy acquisition costs.

Annuity Net Investment Income

Net investment income for the third quarter of 2015 was $317 million compared to $287 million for the third quarter of 2014, an increase of $30 million (10%). This increase reflects primarily the growth in AFG’s annuity business and continued strong investment performance, partially offset by the run-off of higher yielding investments. The overall yield earned on investments in AFG’s annuity operations, calculated as net investment income divided by average investment balances (at amortized cost), declined by 0.09 percentage points in the third quarter of 2015 compared to the third quarter of 2014. This decline in net investment yield reflects (i) the investment of new premium dollars at lower yields as compared to the existing investment portfolio and (ii) the impact of the reinvestment of proceeds from the maturity and redemption of higher yielding investments at the lower yields available in the financial markets.

Annuity Interest Credited — Fixed

Interest credited — fixed for the third quarter of 2015 was $135 million compared to $126 million for the third quarter of 2014, an increase of $9 million (7%). The impact of growth in the annuity business was partially offset by lower interest crediting rates on new premiums as compared to the crediting rates on policyholder funds surrendered or withdrawn. The average interest rate credited to policyholders, calculated as interest credited divided by average fixed annuity benefits accumulated, decreased0.12 percentage points in the third quarter of 2015 compared to the third quarter of 2014. During the third quarter of 2015, interest rates credited on new premiums generally ranged from 1.00% to 2.00%.

60

AMERICAN FINANCIAL GROUP, INC. 10-Q

Management’s Discussion and Analysis of Financial Condition and Results of Operations — Continued

Excluding those annuities that have guaranteed withdrawal benefits, at September 30, 2015, AFG could reduce the average crediting rate on approximately $19 billion of traditional fixed and fixed-indexed deferred annuities by an additional 0.69% (on a weighted average basis). Annuity policies are subject to Guaranteed Minimum Interest Rates (“GMIRs”) at policy issuance. The table below shows the breakdown of annuity reserves by GMIR. The current interest crediting rates on substantially all of AFG’s annuities with a GMIR of 3% or higher are at their minimum.

	% of
GMIR	Reserves
1 — 1.99%	64%
2 — 2.99%	8%
3 — 3.99%	15%
4.00% and above	13%

Annuity Net Interest Spread

AFG’s net interest spread increased0.03 percentage points in the third quarter of 2015 compared to the same period in 2014 due primarily to the impact of continued strong investment performance, partially offset by the run-off of higher yielding investments. In addition, features included in current annuity product offerings allow AFG to achieve its desired profitability at a lower net interest spread than historical product offerings. As a result of these two items, AFG expects its net interest spread to narrow in the future.

Annuity Policy Charges and Other Miscellaneous Income

Annuity policy charges and other miscellaneous income, which consist primarily of surrender charges, were $11 million for both the third quarter of 2015 and 2014.

Other Annuity Benefits

Other annuity benefits, net of guaranteed withdrawal benefit fees, for the third quarter of 2015 were $23 million compared to $18 million for the third quarter of 2014, an increase of $5 million (28%). In addition to interest credited to policyholders’ accounts and the change in fair value of derivatives related to fixed-indexed annuities, annuity benefits expense also includes the following expenses (in millions, net of guaranteed withdrawal benefit fees):

	Three months ended September 30,
	2015			2014
Change in expected death and annuitization reserve	$	5		$	5
Amortization of sales inducements	6			7
Change in guaranteed withdrawal benefit reserve	20			12
Change in other benefit reserves	3			3
Other annuity benefits	34			27
Offset guaranteed withdrawal benefit fees	(11		)	(9		)
Other annuity benefits, net	$	23		$	18

The $5 millionincrease in other annuity benefits, net of guaranteed withdrawal benefit fees, for the third quarter of 2015 compared to the third quarter of 2014 reflects higher expenses related to products with guaranteed withdrawal benefit features. The guaranteed withdrawal benefit reserve related to FIAs is inversely impacted by the calculated FIA embedded derivative reserve as the value to policyholders of the guaranteed withdrawal benefits increases when the benefit of stock market participation decreases.

Annuity Acquisition Expenses

AFG’s amortization of deferred policy acquisition costs (“DPAC”) and commission expenses as a percentage of average fixed annuity benefits accumulated was 0.61% for the third quarter of 2015 compared to 0.69% for the third quarter of 2014 and has generally ranged between 0.70% and 0.80%. Variances from the general range relate primarily to the impact of (i) material changes in interest rates or the stock market on AFG’s fixed-indexed annuity business, and (ii) differences in actual experience from actuarially projected estimates and assumptions. For example, the negative impact of the significant stock market decrease and lower interest rates during the third quarter of 2015 on the fair value of derivatives related to fixed-indexed annuities (discussed below) resulted in a partially offsetting deceleration in the amortization of DPAC.

61

AMERICAN FINANCIAL GROUP, INC. 10-Q

Management’s Discussion and Analysis of Financial Condition and Results of Operations — Continued

Annuity Other Expenses

Annuity other expenses for the third quarter of 2015 were $22 million compared to $23 million for the third quarter of 2014, a decrease of $1 million (4%). Annuity other expenses represent primarily general and administrative expenses, as well as selling and issuance expenses that are not deferred. As a percentage of average fixed annuity benefits accumulated, these expenses decreased 0.03 percentage points for the third quarter of 2015 as compared to the third quarter of 2014. In general, this percentage is expected to decrease as AFG’s annuity business grows and annuity other expenses remain relatively stable.

Change in Fair Value of Derivatives Related to Fixed-Indexed Annuities

AFG’s fixed-indexed annuities, which represented approximately 60% of annuity benefits accumulated at September 30, 2015, provide policyholders with a crediting rate tied, in part, to the performance of an existing stock market index. AFG attempts to mitigate the risk in the index-based component of these products through the purchase of call options on the appropriate index. AFG’s strategy is designed so that an increase in the liabilities, due to an increase in the market index, will generally be offset by unrealized and realized gains on the call options purchased by AFG. Both the index-based component of the annuities and the related call options are considered derivatives that must be marked-to-market through earnings each period. The fair values of these derivatives are impacted by actual and expected stock market performance and interest rates as well as other factors. For a list of other factors impacting the fair value of the index-based component of AFG’s annuity benefits accumulated, see Note D — “Fair Value Measurements” to the financial statements. The net change in fair value of derivatives related to fixed-indexed annuities increased annuity benefits by $37 million in the third quarter of 2015, reflecting the negative impact of the significant stock market decrease and, to a lesser extent, lower than anticipated interest rates on these derivatives. The net change in fair value of derivatives related to fixed-indexed annuities increased annuity benefits by $2 million in the third quarter of 2014, reflecting the negative impact of slightly lower interest rates on these derivatives.

Fluctuations in interest rates and the stock market, among other factors, can cause volatility in the periodic measurement of fair value of the embedded derivative that management believes can be inconsistent with the long-term economics of these products. The table below illustrates the impact of fair value accounting for derivatives related to fixed-indexed annuities on the annuity segment’s earnings before income taxes (dollars in millions):

	Three months ended September 30,
	2015			2014			% Change
Earnings before income taxes — before change in fair value of derivatives related to fixed-indexed annuities	$	89		$	87		2	%
Change in fair value of derivatives related to fixed-indexed annuities	(37		)	(2		)	1,750	%
Related impact on amortization of DPAC (*)	15			1			1,400	%
Earnings before income taxes	$	67		$	86		(22	%)

(*) An estimate of the related acceleration/deceleration of amortization of deferred sales inducements and deferred policy acquisition costs.

As illustrated in the table above, the change in fair value of derivatives related to fixed-indexed annuities, net of the related impact on amortization of DPAC decreased the annuity segment’s earnings before income taxes by $22 million in the third quarter of 2015 and $1 million in the third quarter of 2014.

Annuity Net Spread Earned on Fixed Annuities

AFG’s net spread earned on fixed annuities decreased 0.46 percentage points in the third quarter of 2015 compared to the same period in 2014 due primarily to the net impact of changes in the fair value of derivatives and related DPAC amortization offset discussed above and the impact of the decline in the stock market on guaranteed withdrawal benefit reserves.

Annuity Benefits Accumulated

Annuity premiums received and benefit payments are recorded as increases or decreases in annuity benefits accumulated rather than as revenue and expense. Increases in this liability for interest credited and other benefits are charged to expense and decreases for surrender and other policy charges are credited to other income.

62

AMERICAN FINANCIAL GROUP, INC. 10-Q

Management’s Discussion and Analysis of Financial Condition and Results of Operations — Continued

For certain products, annuity benefits accumulated also includes reserves for accrued persistency and premium bonuses, excess benefits expected to be paid on future deaths and annuitizations (“EDAR”) and guaranteed withdrawal benefits. Annuity benefits accumulated also includes amounts advanced from the Federal Home Loan Bank of Cincinnati. The following table is a progression of AFG’s annuity benefits accumulated liability for the three months ended September 30, 2015 and 2014 (in millions):

	Three months ended September 30,
	2015			2014
Beginning fixed annuity reserves	$	24,906		$	22,205
Fixed annuity premiums (receipts)	1,311			798
Surrenders, benefits and other withdrawals	(526		)	(426		)
Interest and other annuity benefit expenses:
Interest credited	135			126
Embedded derivative mark-to-market	(130		)	21
Change in other benefit reserves	29			21
Ending fixed annuity reserves	$	25,725		$	22,745
Reconciliation to annuity benefits accumulated per balance sheet:
Ending fixed annuity reserves (from above)	$	25,725		$	22,745
Impact of unrealized investment gains	113			107
Fixed component of variable annuities	188			192
Annuity benefits accumulated per balance sheet	$	26,026		$	23,044

Statutory Annuity Premiums

AFG’s annuity operations generated statutory premiums of $1.32 billion in the third quarter of 2015 compared to $809 million in the third quarter of 2014, an increase of $512 million (63%). The following table summarizes AFG’s annuity sales (dollars in millions):

	Three months ended September 30,
	2015		2014		% Change
Financial institutions single premium annuities — indexed	$	554	$	333	66	%
Financial institutions single premium annuities — fixed	71		62		15	%
Retail single premium annuities — indexed	617		339		82	%
Retail single premium annuities — fixed	22		18		22	%
Education market — fixed and indexed annuities	47		46		2	%
Total fixed annuity premiums	1,311		798		64	%
Variable annuities	10		11		(9	%)
Total annuity premiums	$	1,321	$	809	63	%

Management attributes the 63%increase in annuity premiums in the third quarter of 2015 as compared to the third quarter of 2014 to the significant rise of interest rates during the second quarter of 2015 from first quarter 2015 lows, allowing AFG to raise the crediting rates on its annuities and become more competitive in its markets.

63

AMERICAN FINANCIAL GROUP, INC. 10-Q

Management’s Discussion and Analysis of Financial Condition and Results of Operations — Continued

Annuity Earnings before Income Taxes Reconciliation

The following table reconciles the net spread earned on AFG’s fixed annuities to overall annuity pretax earnings for the three months ended September 30, 2015 and 2014 (in millions):

	Three months ended September 30,
	2015			2014
Earnings on fixed annuity benefits accumulated	$	65		$	83
Earnings on investments in excess of fixed annuity benefits accumulated (*)	4			3
Variable annuity earnings (loss)	(2		)	—
Earnings before income taxes	$	67		$	86

(*) Net investment income (as a % of investments) of 4.92% and 5.01% for the three months ended September 30, 2015 and 2014, respectively, multiplied by the difference between average fixed annuity investments (at amortized cost) and average fixed annuity benefits accumulated in each period.

Run-off Long-Term Care and Life Segment — Results of OperationsThe following table details AFG’s earnings before income taxes from its run-off long-term care and life operations for the three months ended September 30, 2015 and 2014 (dollars in millions):

	Three months ended September 30,
	2015		2014		% Change
Revenues:
Net earned premiums:
Long-term care	$	19	$	18	6	%
Life operations	9		9		—	%
Net investment income	20		20		—	%
Other income	1		1		—	%
Total revenues	49		48		2	%
Costs and Expenses:
Life, accident and health benefits:
Long-term care	21		27		(22	%)
Life operations	10		10		—	%
Acquisition expenses	4		5		(20	%)
Other expenses	8		5		60	%
Total costs and expenses	43		47		(9	%)
Earnings before income taxes	$	6	$	1	500	%

Higher long-term care and life earnings in the third quarter of 2015 as compared to the third quarter of 2014 reflects the favorable impact of lower claims and lower persistency.

64

AMERICAN FINANCIAL GROUP, INC. 10-Q

Management’s Discussion and Analysis of Financial Condition and Results of Operations — Continued

Holding Company, Other and Unallocated — Results of Operations AFG’s net GAAP pretax loss outside of its insurance operations (excluding realized gains) totaled $53 million for the third quarter of 2015 compared to $36 million for the third quarter of 2014, an increase of $17 million (47%). AFG’s net core pretax loss outside of its insurance operations totaled $37 million for the third quarter of 2015 compared to $30 million for the third quarter of 2014, an increase of $7 million (23%).

The following table details AFG’s GAAP and core loss before income taxes from operations outside of its insurance operations for the three months ended September 30, 2015 and 2014 (dollars in millions):

	Three months ended September 30,
	2015			2014			% Change
Revenues:
Net investment income	$	2		$	1		100	%
Other income — P&C fees	13			—			—	%
Other income	6			10			(40	%)
Total revenues	21			11			91	%
Costs and Expenses:
Property and casualty insurance — commissions and other underwriting expenses	3			—			—	%
Interest charges on borrowed money	18			17			6	%
Other expense — expenses associated with P&C fees	10			—			—	%
Other expenses (*)	27			24			13	%
Total costs and expenses	58			41			41	%
Core loss before income taxes, excluding realized gains	(37		)	(30		)	23	%
Pretax non-core special A&E charges	(12		)	(6		)	100	%
Pretax non-core loss on retirement of debt	(4		)	—			—	%
GAAP loss before income taxes, excluding realized gains	$	(53	)	$	(36	)	47	%

(*) Excludes pretax non-core special A&E charges of $12 million and $6 million for the third quarter of 2015 and 2014, respectively, and a pretax non-core loss on retirement of debt of $4 million in the third quarter of 2015.

Holding Company and Other — Net Investment Income

AFG recorded net investment income on investments held outside of its insurance operations of $2 million in the third quarter of 2015 compared to $1 million in the third quarter of 2014.

Holding Company and Other — P&C Fees and Related Expenses

Summit, the workers’ compensation insurance business that AFG acquired in April 2014, collects fees from a small group of unaffiliated insurers for providing underwriting, policy administration and claims services. In addition, certain of AFG’s property and casualty businesses collect fees from customers for ancillary services such as workplace safety programs and premium financing. In the third quarter of 2015, AFG collected $13 million in fees for these services. Management views this fee income, net of the $10 million in expenses incurred to generate such fees, as a reduction in the cost of underwriting its property and casualty insurance policies. Consistent with internal management reporting, these fees and the related expenses are netted and recorded as a reduction of commissions and other underwriting expenses in AFG’s segmented results. Beginning with the first quarter of 2015, these fees are shown in other income and the related expenses are shown in other expenses in AFG’s Statement of Earnings.

Holding Company and Other — Other Income

Other income in the table above includes $4 million and $7 million in the third quarter of 2015 and 2014, respectively, in management fees paid to AFG by the AFG-managed CLOs (AFG’s consolidated managed investment entities). The $7 million in management fees in the third quarter of 2014 includes a $5 million incentive management fee earned in connection with the liquidation of a CLO. The management fees are eliminated in consolidation — see the other income line in the Consolidate MIEs column under “Results of Operations — Segmented Statement of Earnings.” Excluding amounts eliminated in consolidation, AFG recorded other income outside of its insurance operations of $2 million in the third quarter of 2015 and $3 million in the third quarter of 2014.

65

AMERICAN FINANCIAL GROUP, INC. 10-Q

Management’s Discussion and Analysis of Financial Condition and Results of Operations — Continued

Holding Company and Other — Interest Charges on Borrowed Money

AFG’s holding companies and other operations outside of its insurance operations recorded interest expense of $18 million and $17 million in the third quarter of 2015 and 2014, respectively. The following table details AFG’s long-term debt balances as of July 1, 2015 compared to July 1, 2014 (dollars in millions):

	July 1, 2015			July 1, 2014
Direct obligations of AFG:
9-7/8% Senior Notes due June 2019 (*)	$	350		$	350
6-3/8% Senior Notes due June 2042	230			230
5-3/4% Senior Notes due August 2042	125			125
7% Senior Notes due September 2050	132			132
6-1/4% Subordinated Debentures due September 2054	150			—
Other	3			3
Total Holding Company Debt	$	990		$	840
Weighted Average Interest Rate	7.6		%	7.8		%

(*) In June 2015, AFG entered into an interest rate swap to mitigate the interest rate risk associated with its fixed-rate 9-7/8% Senior Notes due June 2019 by effectively converting the interest rate on those notes to a floating rate of three-month LIBOR plus 8.099% (8.4362% at September 30, 2015).

AFG redeemed its $132 million in outstanding 7% Senior Notes due September 2050 at par value on September 30, 2015. AFG issued $150 million of 6-1/4% Subordinated Debentures in late September 2014. The impact of higher average indebtedness during the third quarter of 2015 as compared to the third quarter of 2014 was substantially offset by the favorable impact of the interest rate swap on the 9-7/8% Senior Notes due June 2019 that was entered into in June 2015.

Holding Company and Other — Special A&E Charges

As a result of the 2015 comprehensive external study and 2014 internal review of A&E exposures discussed under “Special Asbestos and Environmental Reserve Charges” under “Results of Operations — Property and Casualty Insurance,” AFG’s holding companies and other operations outside of its insurance operations recorded non-core special charges of $12 million in the third quarter of 2015 and $6 million in the third quarter of 2014 to increase liabilities related to the A&E exposures of AFG’s former railroad and manufacturing operations. These charges related to slightly higher estimated costs at sites where remediation is underway, coupled with higher estimated cleanup costs at a limited number of sites.

Holding Company and Other — Loss on Retirement of Debt

AFG wrote off unamortized debt issuance costs of $4 million related to the redemption of its $132 million outstanding 7% Senior Notes due 2050 at par value on September 30, 2015.

Holding Company and Other — Other Expenses

Excluding the non-core special A&E charges and the non-core loss on retirement of debt, AFG’s holding companies and other operations outside of its insurance operations recorded other expenses of $27 million in the third quarter of 2015 compared to $24 million in the third quarter of 2014, an increase of $3 million (13%).

66

AMERICAN FINANCIAL GROUP, INC. 10-Q

Management’s Discussion and Analysis of Financial Condition and Results of Operations — Continued

Consolidated Realized Gains on Securities AFG’s consolidated realized gains (losses) on securities, which are not allocated to segments, were losses of $16 million in the third quarter of 2015 compared to gains of $13 million in the third quarter of 2014, a change of $29 million (223%). Realized gains (losses) on securities consisted of the following (in millions):

	Three months ended September 30,
	2015			2014
Realized gains (losses) before impairments:
Disposals	$	24		$	25
Change in the fair value of derivatives	(4		)	—
Adjustments to annuity deferred policy acquisition costs and related items	(1		)	(1		)
	19			24
Impairment charges:
Securities	(40		)	(14		)
Adjustments to annuity deferred policy acquisition costs and related items	5			3
	(35		)	(11		)
Realized gains (losses) on securities	$	(16	)	$	13

AFG’s impairment charges on securities for the third quarter of 2015 consist of $23 million on equity securities and $17 million on fixed maturities. Approximately $17 million of the charges are on energy related investments, $7 million are related to real estate related investments and $7 million are on investments in metal mining companies.

Consolidated Realized Gains (Losses) on Subsidiaries   The $5 million pretax realized gain on subsidiaries in the third quarter of 2015 represents an adjustment to the previously recognized loss on a small property and casualty subsidiary sold several years ago.

Consolidated Income Taxes   AFG’s consolidated provision for income taxes was $33 million for the third quarter of 2015 compared to $54 million for the third quarter of 2014, a decrease of $21 million (39%). See NoteL — “Income Taxes” to the financial statements for an analysis of items affecting AFG’s effective tax rate.

Consolidated Noncontrolling Interests   AFG’s consolidated net earnings (loss) attributable to noncontrolling interests was earnings of $3 million for the third quarter of 2015 compared to a loss of $25 million for the third quarter of 2014. The following table details net earnings (loss) in consolidated subsidiaries attributable to holders other than AFG (dollars in millions):

	Three months ended September 30,
	2015		2014			% Change
National Interstate	$	2	$	4		(50	%)
Managed Investment Entities	—		(29		)	(100	%)
Other	1		—			—	%
Earnings (loss) attributable to noncontrolling interests	$	3	$	(25	)	(112	%)

The losses of Managed Investment Entities for the third quarter of 2014 represent CLO losses that ultimately inure to holders of the CLO debt. See Note A — “Accounting Policies — Managed Investment Entities” to the financial statements for a discussion of accounting guidance adopted in 2015 that affects the measurement of the fair value of CLO liabilities. Under the new guidance, there are no longer any CLO earnings or losses to be attributed to noncontrolling interests in AFG’s Statement of Earnings.

67

AMERICAN FINANCIAL GROUP, INC. 10-Q

Management’s Discussion and Analysis of Financial Condition and Results of Operations — Continued

RESULTS OF OPERATIONS — NINE MONTHS ENDEDSEPTEMBER 30, 2015 AND 2014

Segmented Statement of Earnings   AFG reports its business as four segments: (i) Property and casualty insurance (“P&C”), (ii) Annuity, (iii) Run-off long-term care and life and (iv) Other, which includes holding company costs and income and expenses related to the managed investment entities (“MIEs”).

AFG’s net earnings attributable to shareholders, determined in accordance with GAAP, include certain items that may not be indicative of its ongoing core operations. The following tables for the nine months ended September 30, 2015 and 2014 identify such items by segment and reconcile net earnings attributable to shareholders to core net operating earnings, a non-GAAP financial measure that AFG believes is a useful tool for investors and analysts in analyzing ongoing operating trends (in millions):

									Other
	P&C			Annuity		Run-off long-term care and life			Consol. MIEs			Holding Co., other and unallocated			Total			Non-core reclass			GAAP Total
Nine months ended September 30, 2015
Revenues:
Property and casualty insurance net earned premiums	$	3,104		$	—	$	—		$	—		$	—		$	3,104		$	—		$	3,104
Life, accident and health net earned premiums				—		80			—			—			80			—			80
Net investment income	245			915		61			(5		)	1			1,217			—			1,217
Realized gains (losses) on:
Securities	—			—		—			—			—			—			2			2
Subsidiaries	—			—		—			—			—			—			(157		)	(157		)
Income (loss) of MIEs:
Investment income	—			—		—			112			—			112			—			112
Gain (loss) on change in fair value of assets/liabilities	—			—		—			(16		)	—			(16		)	—			(16		)
Other income	10			68		3			(11		)	56			126			51			177
Total revenues	3,359			983		144			80			57			4,623			(104		)	4,519
Costs and Expenses:
Property and casualty insurance:
Losses and loss adjustment expenses	1,935			—		—			—			—			1,935			67			2,002
Commissions and other underwriting expenses	977			—		—			—			10			987			—			987
Annuity benefits	—			543		—			—			—			543			—			543
Life, accident and health benefits	—			—		96			—			—			96			—			96
Annuity and supplemental insurance acquisition expenses	—			136		12			—			—			148			—			148
Interest charges on borrowed money	1			—		—			—			56			57			—			57
Expenses of MIEs	—			—		—			80			—			80			—			80
Other expenses	33			74		22			—			106			235			16			251
Total costs and expenses	2,946			753		130			80			172			4,081			83			4,164
Earnings before income taxes	413			230		14			—			(115		)	542			(187		)	355
Provision for income taxes	135			79		5			—			(39		)	180			(65		)	115
Net earnings, including noncontrolling interests	278			151		9			—			(76		)	362			(122		)	240
Less: Net earnings attributable to noncontrolling interests	10			—		—			—			2			12			5			17
Core Net Operating Earnings	268			151		9			—			(78		)	350
Non-core earnings attributable to shareholders (a):
Realized gains on securities, net of tax and noncontrolling interests	—			—		—			—			6			6			(6		)	—
Realized loss on subsidiaries, net of tax	—			—		(105		)	—			—			(105		)	105			—
Gain on sale of Le Pavillon Hotel, net of tax and noncontrolling interests	26			—		—			—			—			26			(26		)	—
Special A&E charges, net of tax	(44		)	—		—			—			(8		)	(52		)	52			—
Loss on retirement of debt, net of tax	—			—		—			—			(2		)	(2		)	2			—
Net Earnings Attributable to Shareholders	$	250		$	151	$	(96	)	$	—		$	(82	)	$	223		$	—		$	223

68

AMERICAN FINANCIAL GROUP, INC. 10-Q

Management’s Discussion and Analysis of Financial Condition and Results of Operations — Continued

									Other
	P&C			Annuity		Run-off long-term care and life			Consol. MIEs			Holding Co., other and unallocated			Total			Non-core reclass			GAAP Total
Nine months ended September 30, 2014
Revenues:
Property and casualty insurance net earned premiums	$	2,817		$	—	$	—		$	—		$	—		$	2,817		$	—		$	2,817
Life, accident and health net earned premiums	—			—		82			—			—			82			—			82
Net investment income	219			851		62			(18		)	3			1,117			—			1,117
Realized gains on securities	—			—		—			—			—			—			44			44
Income (loss) of MIEs:
Investment income	—			—		—			84			—			84			—			84
Gain (loss) on change in fair value of assets/liabilities	—			—		—			(35		)	—			(35		)	—			(35		)
Other income	8			57		3			(18		)	25			75			—			75
Total revenues	3,044			908		147			13			28			4,140			44			4,184
Costs and Expenses:
Property and casualty insurance:
Losses and loss adjustment expenses	1,791			—		—			—			—			1,791			24			1,815
Commissions and other underwriting expenses	869			—		—			—			—			869			—			869
Annuity benefits	—			491		—			—			—			491			—			491
Life, accident and health benefits	—			—		119			—			—			119			—			119
Annuity and supplemental insurance acquisition expenses	—			109		13			—			—			122			—			122
Interest charges on borrowed money	3			—		—			—			50			53			—			53
Expenses of MIEs	—			—		—			60			—			60			—			60
Other expenses	44			65		18			—			86			213			6			219
Total costs and expenses	2,707			665		150			60			136			3,718			30			3,748
Earnings before income taxes	337			243		(3		)	(47		)	(108		)	422			14			436
Provision for income taxes	104			83		(1		)	—			(36		)	150			5			155
Net earnings, including noncontrolling interests	233			160		(2		)	(47		)	(72		)	272			9			281
Less: Net earnings (loss) attributable to noncontrolling interests	2			—		—			(47		)	—			(45		)	1			(44		)
Core Net Operating Earnings	231			160		(2		)	—			(72		)	317
Non-core earnings attributable to shareholders (a):
Realized gains on securities, net of tax and noncontrolling interests	—			—		—			—			27			27			(27		)	—
Special A&E charges, net of tax	(15		)	—		—			—			(4		)	(19		)	19			—
Net Earnings Attributable to Shareholders	$	216		$	160	$	(2	)	$	—		$	(49	)	$	325		$	—		$	325

(a) See the reconciliation of core earnings to GAAP net earnings under “Results of Operations — General” for details on the tax and noncontrolling interest impacts of these reconciling items.

Property and Casualty Insurance Segment — Results of Operations   AFG’s property and casualty insurance operations contributed $397 million in GAAP pretax earnings in the first nine months of 2015 compared to $313 million in the first nine months of 2014, an increase of $84 million (27%). Property and casualty core pretax earnings were $413 million in the first nine months of 2015 compared to $337 million in the first nine months of 2014, an increase of $76 million (23%). The increase in GAAP and core pretax earnings reflects higher underwriting profit in the Specialty financial group, improved results in the Property and transportation group and higher net investment income (due primarily to the investment of cash acquired in the Summit acquisition on April 1, 2014). The increase in GAAP pretax earnings in the first nine months of 2015 also reflects a $51 million pretax non-core gain on the sale of Le Pavillon Hotel, partially offset by higher non-core special A&E charges in 2015 as compared to 2014.

69

AMERICAN FINANCIAL GROUP, INC. 10-Q

Management’s Discussion and Analysis of Financial Condition and Results of Operations — Continued

The following table details AFG’s GAAP and core earnings before income taxes from its property and casualty operations for the nine months ended September 30, 2015 and 2014 (dollars in millions):

	Nine months ended September 30,
	2015			2014			% Change
Gross written premiums	$	4,476		$	4,174		7	%
Reinsurance premiums ceded	(1,205		)	(1,179		)	2	%
Net written premiums	3,271			2,995			9	%
Change in unearned premiums	(167		)	(178		)	(6	%)
Net earned premiums	3,104			2,817			10	%
Loss and loss adjustment expenses (a)	1,935			1,791			8	%
Commissions and other underwriting expenses	977			869			12	%
Core underwriting gain	192			157			22	%
Net investment income	245			219			12	%
Other income and expenses, net (b)	(24		)	(39		)	(38	%)
Core earnings before income taxes	413			337			23	%
Pretax non-core gain on sale of Le Pavillon Hotel	51			—			—	%
Pretax non-core special A&E charges	(67		)	(24		)	179	%
GAAP earnings before income taxes	$	397		$	313		27	%
(a) Excludes pretax non-core special A&E charges of $67 million and $24 million in the third quarter of 2015 and 2014, respectively.
(b) Excludes the $51 million pretax non-core gain on the sale of Le Pavillon Hotel in the second quarter of 2015.
Combined Ratios:
Specialty lines							Change
Loss and LAE ratio	62.2		%	63.6		%	(1.4	%)
Underwriting expense ratio	31.5		%	30.8		%	0.7	%
Combined ratio	93.7		%	94.4		%	(0.7	%)
Aggregate — including discontinued lines
Loss and LAE ratio	64.5		%	64.4		%	0.1	%
Underwriting expense ratio	31.5		%	30.8		%	0.7	%
Combined ratio	96.0		%	95.2		%	0.8	%

AFG reports the underwriting performance of its Specialty property and casualty insurance business in the following sub-segments: (i) Property and transportation, (ii) Specialty casualty and (iii) Specialty financial.

Gross Written Premiums

Gross written premiums (“GWP”) for AFG’s property and casualty insurance segment were $4.48 billion for the first nine months of 2015 compared to $4.17 billion for the first nine months of 2014, an increase of $302 million (7%). Detail of AFG’s property and casualty gross written premiums is shown below (dollars in millions):

	Nine months ended September 30,
	2015				2014
	GWP		%		GWP		%		% Change
Property and transportation	$	1,940	43	%	$	1,860	45	%	4	%
Specialty casualty	2,078		46	%	1,869		45	%	11	%
Specialty financial	458		11	%	445		10	%	3	%
	$	4,476	100	%	$	4,174	100	%	7	%

70

AMERICAN FINANCIAL GROUP, INC. 10-Q

Management’s Discussion and Analysis of Financial Condition and Results of Operations — Continued

Reinsurance Premiums Ceded

Reinsurance premiums ceded (“Ceded”) for AFG’s property and casualty insurance segment were 27% of gross written premiums for the first nine months of 2015 compared to 28% for the first nine months of 2014, a decrease of 1 percentage point. Detail of AFG’s property and casualty reinsurance premiums ceded is shown below (dollars in millions):

	Nine months ended September 30,
	2015					2014					Change in
	Ceded			% of GWP		Ceded			% of GWP		% of GWP
Property and transportation	$	(682	)	35	%	$	(667	)	36	%	(1	%)
Specialty casualty	(529		)	25	%	(503		)	27	%	(2	%)
Specialty financial	(70		)	15	%	(88		)	20	%	(5	%)
Other specialty	76					79
	$	(1,205	)	27	%	$	(1,179	)	28	%	(1	%)

Net Written Premiums

Net written premiums (“NWP”) for AFG’s property and casualty insurance segment were $3.27 billion for the first nine months of 2015 compared to $3.00 billion for the first nine months of 2014, an increase of $276 million (9%). Detail of AFG’s property and casualty net written premiums is shown below (dollars in millions):

	Nine months ended September 30,
	2015				2014
	NWP		%		NWP		%		% Change
Property and transportation	$	1,258	38	%	$	1,193	40	%	5	%
Specialty casualty	1,549		47	%	1,366		46	%	13	%
Specialty financial	388		12	%	357		12	%	9	%
Other specialty	76		3	%	79		2	%	(4	%)
	$	3,271	100	%	$	2,995	100	%	9	%

Net Earned Premiums

Net earned premiums (“NEP”) for AFG’s property and casualty insurance segment were $3.10 billion for the first nine months of 2015 compared to $2.82 billion for the first nine months of 2014, an increase of $287 million (10%). Detail of AFG’s property and casualty net earned premiums is shown below (dollars in millions):

	Nine months ended September 30,
	2015				2014
	NEP		%		NEP		%		% Change
Property and transportation	$	1,157	37	%	$	1,129	40	%	2	%
Specialty casualty	1,496		48	%	1,266		45	%	18	%
Specialty financial	380		12	%	348		12	%	9	%
Other specialty	71		3	%	74		3	%	(4	%)
	$	3,104	100	%	$	2,817	100	%	10	%

The $302 million (7%) increase in gross written premiums for the first nine months of 2015 compared to the first nine months of 2014 reflects $390 million in premiums from Summit (acquired in April 2014) in the 2015 period compared to $270 million in the 2014 period as well as significant growth in other businesses within the Specialty casualty and Property and transportation groups. Excluding premiums from Summit, gross written premiums increased by 5% compared to the first nine months of 2014. Overall average renewal rates increased approximately 1% in the first nine months of 2015.

Property and transportation Gross written premiums increased$80 million (4%) in the first nine months of 2015 compared to the same period in 2014. Higher gross written premiums in the transportation businesses due primarily to new accounts and higher gross written premiums in the agricultural businesses were partially offset by lower gross written premiums in the property and inland marine businesses. Average renewal rates were up approximately 4% for this group in the first nine months of 2015, including a 6% increase in National Interstate’s renewal rates. Reinsurance premiums ceded as a percentage of gross written premiums declined 1 percentage point for the first nine months of 2015 compared to the first nine months of 2014, reflecting a change in the mix of business.

71

AMERICAN FINANCIAL GROUP, INC. 10-Q

Management’s Discussion and Analysis of Financial Condition and Results of Operations — Continued

Specialty casualty Gross written premiums increased$209 million (11%) in the first nine months of 2015 compared to the first nine months of 2014 reflecting $390 million in gross written premiums from Summit (acquired in April 2014) in the first nine months of 2015 compared to $270 million in the first nine months of 2014. Excluding premiums from Summit, gross written premiums increased 6% in the first nine months of 2015 compared to the first nine months of 2014. While most of the businesses in this group reported growth, the workers’ compensation, excess and surplus lines and targeted markets businesses were primary drivers of the higher premiums, partially offset by lower premiums in the general liability and international businesses. Broadening opportunities to write business and additional premiums from start-up businesses were contributing factors. Average renewal rates for this group were down 1% in the first nine months of 2015 due primarily to lower pricing in workers’ compensation businesses. Excluding the workers’ compensation business, average renewal rates in this group increased 1% during the first nine months of 2015. Reinsurance premiums ceded as a percentage of gross written premiums declined2 percentage points for the first nine months of 2015 compared to the first nine months of 2014 reflecting the impact of the acquisition of Summit, which cedes only about 1% of its premiums.

Specialty financial Gross written premiums increased$13 million (3%) in the first nine months of 2015 compared to the first nine months of 2014 due primarily to higher gross written premiums in the surety, financial institutions and equipment leasing businesses. Average renewal rates for this group were flat in the first nine months of 2015. Reinsurance premiums ceded as a percentage of gross written premiums declined5 percentage points for the first nine months of 2015 compared to the first nine months of 2014, reflecting a decline in auto dealer business, which is heavily reinsured.

Other specialty The amounts shown as reinsurance premiums ceded represent business assumed by AFG’s internal reinsurance program from the operations that make up AFG’s other Specialty sub-segments.

Combined Ratio

The table below details the components of the combined ratio for AFG’s property and casualty segment for the first nine months of 2015 compared to the first nine months of 2014 (dollars in millions):

	Nine months ended September 30,						Nine months ended September 30,
	2015		2014		Change		2015		2014
Property and transportation
Loss and LAE ratio	72.7	%	75.8	%	(3.1	%)
Underwriting expense ratio	26.0	%	24.3	%	1.7	%
Combined ratio	98.7	%	100.1	%	(1.4	%)
Underwriting profit (loss)							$	14	$	(1	)
Specialty casualty
Loss and LAE ratio	63.5	%	61.8	%	1.7	%
Underwriting expense ratio	30.1	%	30.3	%	(0.2	%)
Combined ratio	93.6	%	92.1	%	1.5	%
Underwriting profit							$	96	$	100
Specialty financial
Loss and LAE ratio	28.5	%	33.6	%	(5.1	%)
Underwriting expense ratio	52.5	%	53.1	%	(0.6	%)
Combined ratio	81.0	%	86.7	%	(5.7	%)
Underwriting profit							$	72	$	46
Total Specialty
Loss and LAE ratio	62.2	%	63.6	%	(1.4	%)
Underwriting expense ratio	31.5	%	30.8	%	0.7	%
Combined ratio	93.7	%	94.4	%	(0.7	%)
Underwriting profit							$	195	$	158
Aggregate — including discontinued lines
Loss and LAE ratio	64.5	%	64.4	%	0.1	%
Underwriting expense ratio	31.5	%	30.8	%	0.7	%
Combined ratio	96.0	%	95.2	%	0.8	%
Underwriting profit							$	125	$	133

72

AMERICAN FINANCIAL GROUP, INC. 10-Q

Management’s Discussion and Analysis of Financial Condition and Results of Operations — Continued

The Specialty property and casualty insurance operations generated an underwriting profit of $195 million for the first nine months of 2015 compared to $158 million for the first nine months of 2014, an increase of $37 million (23%). The higher underwriting profit in the first nine months of 2015 reflects higher underwriting profit in the Specialty financial group and improved underwriting results in the Property and transportation group, partially offset by lower underwriting profit in the Specialty casualty group.

Property and transportation Underwriting profit for this group was $14 million for the first nine months of 2015 compared to an underwriting loss of $1 million for the first nine months of 2014, an improvement of $15 million. Improved year-over-year underwriting results from National Interstate and higher profits in the agricultural businesses were partially offset by lower profitability in the property and inland marine, ocean marine and other transportation businesses.

Specialty casualty Underwriting profit for this group was $96 million for the first nine months of 2015 compared to $100 million for the first nine months of 2014, a decrease of $4 million (4%). This decrease is due primarily to higher adverse prior year reserve development in the international and general liability businesses and lower favorable prior year reserve development in the excess and surplus and executive liability businesses, partially offset by higher current year underwriting profit in the workers’ compensation and public sector businesses.

Specialty financial Underwriting profit for this group was $72 million for the first nine months of 2015 compared to $46 million for the first nine months of 2014, an increase of $26 million (57%). This increase was driven by higher favorable prior year reserve development across the group and higher current year underwriting profitability in the fidelity and financial institutions businesses.

Other specialty Underwriting profit for this group was $13 million for the first nine months of 2015 and 2014.

73

AMERICAN FINANCIAL GROUP, INC. 10-Q

Management’s Discussion and Analysis of Financial Condition and Results of Operations — Continued

Losses and Loss Adjustment Expenses

AFG’s overall loss and LAE ratio was 64.5% for the first nine months of 2015 compared to 64.4% for the first nine months of 2014, an increase of 0.1 percentage points. The components of AFG’s property and casualty losses and LAE amounts and ratio are detailed below (dollars in millions):

	Nine months ended September 30,
	Amount						Ratio				Change in
	2015			2014			2015		2014		Ratio
Property and transportation
Current year, excluding catastrophe losses	$	817		$	825		70.6	%	73.0	%	(2.4	%)
Prior accident years development	7			13			0.5	%	1.2	%	(0.7	%)
Current year catastrophe losses	18			18			1.6	%	1.6	%	—	%
Property and transportation losses and LAE and ratio	$	842		$	856		72.7	%	75.8	%	(3.1	%)
Specialty casualty
Current year, excluding catastrophe losses	$	951		$	800		63.5	%	63.2	%	0.3	%
Prior accident years development	(4		)	(21		)	(0.2	%)	(1.7	%)	1.5	%
Current year catastrophe losses	3			3			0.2	%	0.3	%	(0.1	%)
Specialty casualty losses and LAE and ratio	$	950		$	782		63.5	%	61.8	%	1.7	%
Specialty financial
Current year, excluding catastrophe losses	$	129		$	127		33.9	%	36.6	%	(2.7	%)
Prior accident years development	(25		)	(13		)	(6.5	%)	(3.9	%)	(2.6	%)
Current year catastrophe losses	4			3			1.1	%	0.9	%	0.2	%
Specialty financial losses and LAE and ratio	$	108		$	117		28.5	%	33.6	%	(5.1	%)
Total Specialty
Current year, excluding catastrophe losses	$	1,938		$	1,794		62.4	%	63.7	%	(1.3	%)
Prior accident years development	(32		)	(29		)	(1.0	%)	(1.0	%)	—	%
Current year catastrophe losses	26			25			0.8	%	0.9	%	(0.1	%)
Total Specialty losses and LAE and ratio	$	1,932		$	1,790		62.2	%	63.6	%	(1.4	%)
Aggregate — including discontinued lines
Current year, excluding catastrophe losses	$	1,938		$	1,794		62.4	%	63.7	%	(1.3	%)
Prior accident years development	38			(4		)	1.3	%	(0.2	%)	1.5	%
Current year catastrophe losses	26			25			0.8	%	0.9	%	(0.1	%)
Aggregate losses and LAE and ratio	$	2,002		$	1,815		64.5	%	64.4	%	0.1	%

Current accident year losses and LAE, excluding catastrophe losses

The current accident year loss and LAE ratio, excluding catastrophe losses for AFG’s Specialty property and casualty insurance operations was 62.4% for the first nine months of 2015 compared to 63.7% for the first nine months of 2014, a decrease of 1.3%.

Property and transportation   The 2.4 percentage point decrease in the loss and LAE ratio for the current year, excluding catastrophe losses in the first nine months of 2015 as compared to the first nine months of 2014 reflects an improvement of the loss and LAE ratio of the trucking and agricultural businesses, partially offset by increased severity in commercial auto claims in the transportation businesses and higher current year losses in the property and inland marine business in the first nine months of 2015 compared to the first nine months of 2014.

Specialty casualty   The 0.3 percentage point increase in the loss and LAE ratio for the current year, excluding catastrophe losses reflects an increase in the loss and LAE ratio in the international business and the inclusion of Summit following its acquisition in April 2014, which has a higher loss and LAE ratio than AFG’s overall Specialty casualty group, partially offset by higher profitability in the workers’ compensation businesses.

Specialty financial   The 2.7 percentage point decrease in the loss and LAE ratio for the current year, excluding catastrophe losses reflects an improvement in the loss and LAE ratio of the financial institutions, fidelity and equipment leasing businesses.

74

AMERICAN FINANCIAL GROUP, INC. 10-Q

Management’s Discussion and Analysis of Financial Condition and Results of Operations — Continued

Net prior year reserve development

AFG’s Specialty property and casualty insurance operations recorded net favorable reserve development related to prior accident years of $32 million in the first nine months of 2015 compared to $29 million in the first nine months of 2014, an increase of $3 million (10%).

Property and transportation Net adverse reserve development of $7 million in the first nine months of 2015 reflects higher than expected claim severity and frequency in the transportation businesses and higher than anticipated claim frequency in the ocean marine business, partially offset by lower than expected claim severity in the property and inland marine business, agricultural operations and a run-off book of homebuilders business. Net adverse reserve development of $13 million in the first nine months of 2014 reflects higher than expected severity in commercial auto liability losses written in the transportation businesses, partially offset by lower than expected claim frequency in the agribusiness, property and inland marine and ocean marine businesses.

Specialty casualty Net favorable reserve development of $4 million in the first nine months of 2015 includes lower than anticipated claim severity in workers’ compensation business, lower than anticipated claim severity and frequency in excess liability insurance and lower than expected claim severity in directors and officers liability insurance, partially offset by higher than anticipated severity and frequency in contractor claims and adverse reserve development in the international business. Net favorable reserve development of $21 million in the first nine months of 2014 reflects lower than expected claim severity in directors and officers liability insurance, lower than expected claim severity and frequency in excess liability insurance and lower than anticipated claim severity in specialty workers’ compensation business, partially offset by higher than expected claim severity in contractor claims and in a run-off book of casualty business.

Specialty financial Net favorable reserve development of $25 million in the first nine months of 2015 reflects lower than anticipated claim frequency and severity in the trade credit business, surety business and products for financial institutions and lower than expected claim severity in the fidelity business. Net favorable reserve development of $13 million in the first nine months of 2014 reflects lower than expected claim severity in the surety and fidelity businesses and lower than expected claim frequency and severity in the foreign credit business and products for financial institutions.

Other specialty In addition to the development discussed above, total Specialty prior year reserve development includes net favorable reserve development of $10 million in the first nine months of 2015 and $8 million in the first nine months of 2014, reflecting amortization of the deferred gain on the retroactive insurance transaction entered into in connection with the sale of businesses in 1998 and 2001 and reserve development associated with AFG’s internal reinsurance program.

Special Asbestos and Environmental Reserve Charges See “Net prior year reserve development” under “Results of Operations — Property and Casualty Insurance” for the quarters ended September 30, 2015 and 2014 for a discussion of the $67 million and $24 million special A&E charges recorded in the third quarter of 2015 and 2014, respectively.

Aggregate Aggregate net prior accident years reserve development for AFG’s property and casualty segment includes the special A&E charges mentioned above and adverse reserve development of $3 million in the first nine months of 2015 and $1 million in the first nine months of 2014 related to business outside of the Specialty group that AFG no longer writes.

Catastrophe losses

AFG generally seeks to reduce its exposure to catastrophes through individual risk selection, including minimizing coastal and known fault-line exposures, and the purchase of reinsurance. The $18 million in catastrophe losses in the Property and transportation group in the first nine months of 2015 resulted primarily from winter storms in the first quarter of 2015 and multiple storms in the midwestern and central United States in the second and third quarters of 2015. The $18 million in catastrophe losses in the Property and transportation group in the first nine months of 2014 were primarily from winter storms in the month of January and multiple storms in the midwestern and central United States in the second quarter of 2014.

75

AMERICAN FINANCIAL GROUP, INC. 10-Q

Management’s Discussion and Analysis of Financial Condition and Results of Operations — Continued

Commissions and Other Underwriting Expenses

AFG’s property and casualty commissions and other underwriting expenses (“U/W Exp”) were $977 million in the first nine months of 2015 compared to $869 million for the first nine months of 2014, an increase of $108 million (12%). AFG’s underwriting expense ratio was 31.5% for the first nine months of 2015 compared to 30.8% for the first nine months of 2014, an increase of 0.7 percentage points. Detail of AFG’s property and casualty commissions and other underwriting expenses and underwriting expense ratios is shown below (dollars in millions):

	Nine months ended September 30,
	2015				2014				Change in
	U/W Exp		% of NEP		U/W Exp		% of NEP		% of NEP
Property and transportation	$	301	26.0	%	$	274	24.3	%	1.7	%
Specialty casualty	450		30.1	%	384		30.3	%	(0.2	%)
Specialty financial	200		52.5	%	185		53.1	%	(0.6	%)
Other specialty	26		36.1	%	26		34.8	%	1.3	%
	$	977	31.5	%	$	869	30.8	%	0.7	%

The $108 millionincrease in commissions and other underwriting expenses reflects the acquisition of Summit in April 2014. The overall increase of 0.7% in AFG’s expense ratio for the first nine months of 2015 as compared to the first nine months of 2014 reflects a change in the mix of business, partially offset by the impact of higher premiums on the ratio.

Property and transportation   Commissions and other underwriting expenses as a percentage of net earned premiums increased1.7 percentage points in the first nine months of 2015 compared to the first nine months of 2014 reflecting higher profitability based commissions paid to agents and brokers and a change in the mix of business.

Specialty casualty   Commissions and other underwriting expenses as a percentage of net earned premiums decreased0.2 percentage points in the first nine months of 2015 compared to the first nine months of 2014 due primarily to the impact of higher premiums on the ratio, partially offset by a charge of $6 million in the second quarter of 2015 to write off certain previously capitalized project costs.

Specialty financial   Commissions and other underwriting expenses as a percentage of net earned premiums decreased0.6 percentage points in the first nine months of 2015 compared to the first nine months of 2014 reflecting the impact of higher premiums on the ratio.

Property and Casualty Net Investment Income

Net investment income in AFG’s property and casualty operations was $245 million for the first nine months of 2015 compared to $219 million in the first nine months of 2014, an increase of $26 million (12%). In recent years, yields available in the financial markets on fixed maturity securities have generally declined, placing downward pressure on AFG’s investment portfolio yield. The average invested assets and overall yield earned on investments held by AFG’s property and casualty operations are provided below (dollars in millions):

	Nine months ended September 30,
	2015			2014			Change			% Change
Net investment income	$	245		$	219		$	26		12	%
Average invested assets (at amortized cost)	$	8,880		$	7,651		$	1,229		16	%
Yield (net investment income as a % of average invested assets)	3.68		%	3.82		%	(0.14		%)
Tax equivalent yield (*)	4.25		%	4.41		%	(0.16		%)

(*) Adjusts the yield on equity securities and tax-exempt bonds to the fully taxable equivalent yield.

The increase in average invested assets and net investment income in the property and casualty segment for the first nine months of 2015 compared to the first nine months of 2014 is due primarily to the investment of cash acquired in the Summit acquisition, which occurred over the two quarters following the April 2014 acquisition, as well as growth in the property and casualty segment. The property and casualty segment’s overall yield on investments (net investment income as a percentage of

76

AMERICAN FINANCIAL GROUP, INC. 10-Q

Management’s Discussion and Analysis of Financial Condition and Results of Operations — Continued

average invested assets) was 3.68% for the first nine months of 2015 compared to 3.82% for the first nine months of 2014, a decline of 0.14 percentage points reflecting the impact of lower yields available in the financial markets, partially offset by higher equity in the earnings of limited partnerships and similar investments.

Property and Casualty Other Income and Expenses, Net

GAAP other income and expenses, net for AFG’s property and casualty operations was net income of $27 million for the first nine months of 2015 compared to a net expense of $39 million for the first nine months of 2014. Core other income and expenses, net for AFG’s property and casualty operations was a net expense of $24 million for the first nine months of 2015 compared to $39 million for the first nine months of 2014. The table below details the items included in GAAP and core other income and expenses, net for AFG’s property and casualty operations (in millions):

	Nine months ended September 30,
	2015			2014
Other income
Income from the sale of real estate (*)	$	3		$	2
Other	7			6
Total other income	10			8
Other expenses
Amortization of intangibles	6			14
Tender offer expenses	—			3
Other	27			27
Total other expense	33			44
Interest expense	1			3
Core other income and expenses, net	(24		)	(39		)
Pretax non-core gain on sale of Le Pavillon Hotel	51			—
GAAP other income and expenses, net	$	27		$	(39	)

(*) Excludes the $51 million pretax non-core gain on the sale of Le Pavillon Hotel in the second quarter of 2015.

The lower amortization of intangibles in the first nine months of 2015 compared to the first nine months of 2014 reflects the impact of intangible assets related to two acquisitions that became fully amortized in 2014.

AFG and its consolidated subsidiaries incurred $3 million in transaction expenses related to the February 2014 tender offer by Great American Insurance Company (“GAI”) to acquire all of the National Interstate Corporation common stock that GAI did not already own. These expenses consisted primarily of financial advisory and legal services. The tender offer was terminated in March 2014.

Interest expense for AFG’s property and casualty operations includes interest charges on long-term debt within the property and casualty operations, primarily notes secured by real estate.

77

AMERICAN FINANCIAL GROUP, INC. 10-Q

Management’s Discussion and Analysis of Financial Condition and Results of Operations — Continued

Annuity Segment — Results of Operations

AFG’s annuity operations contributed $230 million in pretax earnings in the first nine months of 2015 compared to $243 million in the first nine months of 2014, a decrease of $13 million (5%). While AFG’s average annuity investments (at amortized cost) were 12% higher for the first nine months of 2015 as compared to the first nine months of 2014, the benefit of this growth was more than offset by the negative impact of the significant stock market decrease had on certain annuity reserves in the first nine months of 2015, the run-off of higher yielding investments and higher general and administrative expenses in the first nine months of 2015 compared to the first nine months of 2014.

The following table details AFG’s earnings before income taxes from its annuity operations for the nine months ended September 30, 2015 and 2014 (dollars in millions).

	Nine months ended September 30,
	2015		2014		% Change
Revenues:
Net investment income	$	915	$	851	8	%
Other income:
Guaranteed withdrawal benefit fees	31		25		24	%
Policy charges and other miscellaneous income	37		32		16	%
Total revenues	983		908		8	%
Costs and Expenses:
Annuity benefits (*)	543		491		11	%
Acquisition expenses	136		109		25	%
Other expenses	74		65		14	%
Total costs and expenses	753		665		13	%
Earnings before income taxes	$	230	$	243	(5	%)

Detail of annuity earnings before income taxes (dollars in millions):

	Nine months ended September 30,
	2015			2014			% Change
Earnings before income taxes — before the impact of derivatives related to FIAs	$	258		$	269		(4	%)
Impact of derivatives related to FIAs	(28		)	(26		)	8	%
Earnings before income taxes	$	230		$	243		(5	%)

(*) Annuity benefits consisted of the following (dollars in millions):

	Nine months ended September 30,
	2015			2014			% Change
Interest credited — fixed	$	394		$	370		6	%
Interest credited — fixed component of variable annuities	5			5			—	%
Change in expected death and annuitization reserve	14			14			—	%
Amortization of sales inducements	20			20			—	%
Change in guaranteed withdrawal benefit reserve	48			30			60	%
Change in other benefit reserves	17			11			55	%
Subtotal before impact of derivatives related to FIAs	498			450			11	%
Derivatives related to fixed-indexed annuities:
Embedded derivative mark-to-market	(99		)	153			(165	%)
Equity option mark-to-market	144			(112		)	(229	%)
Impact of derivatives related to FIAs	45			41			10	%
Total annuity benefits	$	543		$	491		11	%

78

AMERICAN FINANCIAL GROUP, INC. 10-Q

Management’s Discussion and Analysis of Financial Condition and Results of Operations — Continued

Net Spread on Fixed Annuities (excludes variable annuity earnings)

The table below (dollars in millions) details the components of the spreads for AFG’s fixed annuity operations (including fixed-indexed annuities):

	Nine months ended September 30,
	2015			2014			% Change
Average fixed annuity investments (at amortized cost)	$	24,765		$	22,077		12	%
Average fixed annuity benefits accumulated	24,514			21,790			13	%
As % of fixed annuity benefits accumulated (except as noted):
Net investment income (as % of fixed annuity investments)	4.89		%	5.09		%
Interest credited — fixed	(2.14		%)	(2.26		%)
Net interest spread	2.75		%	2.83		%
Policy charges and other miscellaneous income	0.15		%	0.13		%
Other annuity benefit expenses, net of guaranteed withdrawal benefit fees	(0.36		%)	(0.30		%)
Acquisition expenses	(0.70		%)	(0.63		%)
Other expenses	(0.38		%)	(0.37		%)
Change in fair value of derivatives related to fixed-indexed annuities	(0.25		%)	(0.25		%)
Net spread earned on fixed annuities	1.21		%	1.41		%

The table below illustrates the impact of fair value accounting for derivatives related to fixed-indexed annuities on the annuity segment’s net spread earned on fixed annuities:

	Nine months ended September 30,
	2015		2014
Net spread earned on fixed annuities — before impact of derivatives related to fixed-indexed annuities	1.36	%	1.57	%
Impact of derivatives related to fixed-indexed annuities (*)	(0.15	%)	(0.16	%)
Net spread earned on fixed annuities	1.21	%	1.41	%

(*) Change in fair value of derivatives related to fixed-indexed annuities offset by an estimate of the related deceleration of amortization of deferred sales inducements and deferred policy acquisition costs.

Annuity Net Investment Income

Net investment income for the first nine months of 2015 was $915 million compared to $851 million for the first nine months of 2014, an increase of $64 million (8%). This increase reflects primarily the growth in AFG’s annuity business, partially offset by the run-off of higher yielding investments. The overall yield earned on investments in AFG’s annuity operations, calculated as net investment income divided by average investment balances (at amortized cost), declined by 0.20 percentage points for the first nine months of 2015 compared to the same period in 2014. This decline in net investment yield reflects (i) the investment of new premium dollars at lower yields as compared to the existing investment portfolio and (ii) the impact of the reinvestment of proceeds from the maturity and redemption of higher yielding investments at the lower yields available in the financial markets.

Annuity Interest Credited — Fixed

Interest credited — fixed for the first nine months of 2015 was $394 million compared to $370 million for the first nine months of 2014, an increase of $24 million (6%). The impact of growth in the annuity business was partially offset by lower interest crediting rates on new premiums as compared to the crediting rates on policyholder funds surrendered or withdrawn. The average interest rate credited to policyholders, calculated as interest credited divided by average fixed annuity benefits accumulated, decreased0.12 percentage points in the first nine months of 2015 compared to the same period of 2014. During the first nine months of 2015, interest rates credited on new premiums generally ranged from 1.00% to 2.00%.

Annuity Net Interest Spread

AFG’s net interest spread decreased0.08 percentage points in the first nine months of 2015 compared to the same period in 2014 due primarily to the run-off of higher yielding investments. In addition, features included in current annuity product offerings allow AFG to achieve its desired profitability at a lower net interest spread than historical product offerings.

79

AMERICAN FINANCIAL GROUP, INC. 10-Q

Management’s Discussion and Analysis of Financial Condition and Results of Operations — Continued

Annuity Policy Charges and Other Miscellaneous Income

Annuity policy charges and other miscellaneous income, which consist primarily of surrender charges, were $37 million for the first nine months of 2015 compared to $32 million for the first nine months of 2014, an increase of $5 million (16%). This increase reflects the impact of $6 million in income from the sale of real estate recorded in the first nine months of 2015.

Other Annuity Benefits

Other annuity benefits, net of guaranteed withdrawal benefit fees, for the first nine months of 2015 were $68 million compared to $50 million for the first nine months of 2014, an increase of $18 million (36%). In addition to interest credited to policyholders’ accounts and the change in fair value of derivatives related to fixed-indexed annuities, annuity benefits expense also includes the following expenses (in millions, net of guaranteed withdrawal benefit fees):

	Nine months ended September 30,
	2015			2014
Change in expected death and annuitization reserve	$	14		$	14
Amortization of sales inducements	20			20
Change in guaranteed withdrawal benefit reserve	48			30
Change in other benefit reserves	17			11
Other annuity benefits	99			75
Offset guaranteed withdrawal benefit fees	(31		)	(25		)
Other annuity benefits, net	$	68		$	50

The $18 millionincrease in other annuity benefits, net of guaranteed withdrawal benefit fees, for the first nine months of 2015 compared to the first nine months of 2014 reflects higher expenses related to products with guaranteed withdrawal benefit features. The guaranteed withdrawal benefit reserve related to FIAs is inversely impacted by the calculated FIA embedded derivative reserve as the value to policyholders of the guaranteed withdrawal benefits increases when the benefit of stock market participation decreases.

Annuity Acquisition Expenses

AFG’s amortization of DPAC and commission expenses as a percentage of average fixed annuity benefits accumulated was 0.70% for the first nine months of 2015 compared to 0.63% for the first nine months of 2014 and has generally ranged between 0.70% and 0.80%. Variances from the general range relate primarily to the impact of (i) material changes in interest rates or the stock market on AFG’s fixed-indexed annuity business, and (ii) differences in actual experience from actuarially projected estimates and assumptions. For example, the negative impact of the significant stock market decrease and lower than anticipated interest rates during the first nine months of 2015 on the fair value of derivatives related to fixed-indexed annuities resulted in a partially offsetting deceleration in the amortization DPAC.

Annuity Other Expenses

Annuity other expenses for the first nine months of 2015 were $74 million, compared to $65 million for the first nine months of 2014, an increase of $9 million (14%). Annuity other expenses represent primarily general and administrative expenses, as well as selling and issuance expenses that are not deferred. As a percentage of average fixed annuity benefits accumulated, these expenses increased 0.01 percentage points for the first nine months of 2015 as compared to the first nine months of 2014 due primarily to higher expenses related to professional services and employee compensation plans. In general, this percentage is expected to decrease as AFG’s annuity business grows and annuity other expenses remain relatively stable.

Change in Fair Value of Derivatives Related to Fixed-Indexed Annuities

AFG’s fixed-indexed annuities, which represented approximately 60% of annuity benefits accumulated at September 30, 2015, provide policyholders with a crediting rate tied, in part, to the performance of an existing stock market index. AFG attempts to mitigate the risk in the index-based component of these products through the purchase of call options on the appropriate index. AFG’s strategy is designed so that an increase in the liabilities, due to an increase in the market index, will generally be offset by unrealized and realized gains on the call options purchased by AFG. Both the index-based component of the annuities and the related call options are considered derivatives that must be marked-to-market through earnings each period. The fair values of these derivatives are impacted by actual and expected stock market performance and interest rates as well as other factors. For a list of other factors impacting the fair value of the index-based component of AFG’s annuity benefits accumulated, see Note D — “Fair Value Measurements” to the financial statements. The net change in fair value of derivatives related to fixed-indexed annuities increased annuity benefits by $45 million and $41 million in the first nine months of 2015 and 2014, respectively. The net change in fair value for the first nine months of 2015 reflects the negative impact of the significant decline

80

AMERICAN FINANCIAL GROUP, INC. 10-Q

Management’s Discussion and Analysis of Financial Condition and Results of Operations — Continued

in the stock market and lower than anticipated interest rates on these derivatives. The net change in fair value for the first nine months of 2014 reflects the negative impact of lower interest rates.

Fluctuations in interest rates and the stock market, among other factors, can cause volatility in the periodic measurement of fair value of the embedded derivative that management believes can be inconsistent with the long-term economics of these products. The table below illustrates the impact of fair value accounting for derivatives related to fixed-indexed annuities on the annuity segment’s earnings before income taxes (dollars in millions):

	Nine months ended September 30,
	2015			2014			% Change
Earnings before income taxes — before change in fair value of derivatives related to fixed-indexed annuities	$	258		$	269		(4	%)
Change in fair value of derivatives related to fixed-indexed annuities	(45		)	(41		)	10	%
Related impact on amortization of DPAC (*)	17			15			13	%
Earnings before income taxes	$	230		$	243		(5	%)

(*) An estimate of the related deceleration of amortization of deferred sales inducements and deferred policy acquisition costs.

As illustrated in the table above, the change in fair value of derivatives related to fixed-indexed annuities, net of the related impact on amortization of DPAC decreased the annuity segment’s earnings before income taxes by $28 million in the first nine months of 2015 and $26 million in the first nine months of 2014.

Annuity Net Spread Earned on Fixed Annuities

AFG’s net spread earned on fixed annuities decreased0.20 percentage points in the first nine months of 2015 compared to the same period in 2014 due to the 0.08 percentage points decrease in AFG’s net interest spread, the impact of the decline in the stock market on guaranteed withdrawal benefit reserves, and higher general and administrative expenses, partially offset by income from the sale of real estate recorded primarily in the first quarter of 2015.

81

AMERICAN FINANCIAL GROUP, INC. 10-Q

Management’s Discussion and Analysis of Financial Condition and Results of Operations — Continued

Annuity Benefits Accumulated

Annuity premiums received and benefit payments are recorded as increases or decreases in annuity benefits accumulated rather than as revenue and expense. Increases in this liability for interest credited and other benefits are charged to expense and decreases for surrender and other policy charges are credited to other income.

For certain products, annuity benefits accumulated also includes reserves for accrued persistency and premium bonuses, excess benefits expected to be paid on future deaths and annuitizations (“EDAR”) and guaranteed withdrawal benefits. Annuity benefits accumulated also includes amounts advanced from the Federal Home Loan Bank of Cincinnati. The following table is a progression of AFG’s annuity benefits accumulated liability for the nine months ended September 30, 2015 and 2014 (in millions):

	Nine months ended September 30,
	2015			2014
Beginning fixed annuity reserves	$	23,462		$	20,679
Fixed annuity premiums (receipts)	3,001			2,689
Federal Home Loan Bank advances	300			—
Surrenders, benefits and other withdrawals	(1,417		)	(1,209		)
Interest and other annuity benefit expenses:
Interest credited	394			370
Embedded derivative mark-to-market	(99		)	153
Change in other benefit reserves	84			63
Ending fixed annuity reserves	$	25,725		$	22,745
Reconciliation to annuity benefits accumulated per balance sheet:
Ending fixed annuity reserves (from above)	$	25,725		$	22,745
Impact of unrealized investment gains	113			107
Fixed component of variable annuities	188			192
Annuity benefits accumulated per balance sheet	$	26,026		$	23,044

Statutory Annuity Premiums

AFG’s annuity operations generated statutory premiums of $3.03 billion in the first nine months of 2015 compared to $2.73 billion in the first nine months of 2014, an increase of $308 million (11%). The following table summarizes AFG’s annuity sales (dollars in millions):

	Nine months ended September 30,
	2015		2014		% Change
Financial institutions single premium annuities — indexed	$	1,279	$	1,063	20	%
Financial institutions single premium annuities — fixed	157		271		(42	%)
Retail single premium annuities — indexed	1,370		1,128		21	%
Retail single premium annuities — fixed	52		82		(37	%)
Education market — fixed and indexed annuities	143		145		(1	%)
Total fixed annuity premiums	3,001		2,689		12	%
Variable annuities	32		36		(11	%)
Total annuity premiums	$	3,033	$	2,725	11	%

Management attributes the 11%increase in annuity premiums in the first nine months of 2015 compared to the same period in 2014 to the significant rise of interest rates during the second quarter of 2015 from first quarter 2015 lows, allowing AFG to raise the crediting rates on its annuities and become more competitive in its markets.

82

AMERICAN FINANCIAL GROUP, INC. 10-Q

Management’s Discussion and Analysis of Financial Condition and Results of Operations — Continued

Annuity Earnings before Income Taxes Reconciliation

The following table reconciles the net spread earned on AFG’s fixed annuities to overall annuity pretax earnings for the nine months ended September 30, 2015 and 2014 (in millions):

	Nine months ended September 30,
	2015			2014
Earnings on fixed annuity benefits accumulated	$	222		$	231
Earnings on investments in excess of fixed annuity benefits accumulated (*)	9			11
Variable annuity earnings (loss)	(1		)	1
Earnings before income taxes	$	230		$	243

(*) Net investment income (as a % of investments) of 4.89% and 5.09% for the nine months ended September 30, 2015 and 2014, respectively, multiplied by the difference between average fixed annuity investments (at amortized cost) and average fixed annuity benefits accumulated in each period.

Run-off Long-Term Care and Life Segment — Results of OperationsAFG’s run-off long-term care and life segment incurred GAAP pretax losses of $148 million for the nine months ended September 30, 2015, which includes a $162 million pretax non-core realized loss on the sale of subsidiaries. See Note B — “Acquisitions and Sale of Businesses” to the financial statements. The following table details AFG’s GAAP and core earnings (loss) before income taxes from its run-off long-term care and life operations for the nine months ended September 30, 2015 and 2014 (dollars in millions):

	Nine months ended September 30,
	2015			2014			% Change
Revenues:
Net earned premiums:
Long-term care	$	56		$	56		—	%
Life operations	24			26			(8	%)
Net investment income	61			62			(2	%)
Other income	3			3			—	%
Total revenues	144			147			(2	%)
Costs and Expenses:
Life, accident and health benefits:
Long-term care	67			84			(20	%)
Life operations	29			35			(17	%)
Acquisition expenses	12			13			(8	%)
Other expenses	22			18			22	%
Total costs and expenses	130			150			(13	%)
Core earnings (loss) before income taxes	14			(3		)	(567	%)
Pretax non-core realized loss on subsidiaries	(162		)	—			—	%
GAAP loss before income taxes	$	(148	)	$	(3	)	4,833	%

Higher long-term care and life core earnings in the first nine months of 2015 as compared to the first nine months of 2014 reflects improved claims experience, rate increases and lower persistency.

83

AMERICAN FINANCIAL GROUP, INC. 10-Q

Management’s Discussion and Analysis of Financial Condition and Results of Operations — Continued

Holding Company, Other and Unallocated — Results of Operations AFG’s net GAAP pretax loss outside of its insurance operations (excluding realized gains) totaled $131 million for the first nine months of 2015 compared to $114 million for the first nine months of 2014, an increase of $17 million (15%). AFG’s net core pretax loss outside of its insurance operations (excluding realized gains) totaled $115 million for the first nine months of 2015 compared to $108 million for the first nine months of 2014, an increase of $7 million (6%).

The following table details AFG’s GAAP and core loss before income taxes from operations outside of its insurance operations for the nine months ended September 30, 2015 and 2014 (dollars in millions):

	Nine months ended September 30,
	2015			2014			% Change
Revenues:
Net investment income	$	1		$	3		(67	%)
Other income — P&C fees	38			—			—	%
Other income	18			25			(28	%)
Total revenues	57			28			104	%
Costs and Expenses:
Property and casualty insurance — commissions and other underwriting expenses	10			—			—	%
Interest charges on borrowed money	56			50			12	%
Other expense — expenses associated with P&C fees	28			—			—	%
Other expenses (*)	78			86			(9	%)
Total costs and expenses	172			136			26	%
Core loss before income taxes, excluding realized gains	(115		)	(108		)	6	%
Pretax non-core special A&E charges	(12		)	(6		)	100	%
Pretax non-core loss on retirement of debt	(4		)	—			—	%
GAAP loss before income taxes, excluding realized gains	$	(131	)	$	(114	)	15	%

(*) Excludes pretax non-core special A&E charges of $12 million and $6 million in the third quarter of 2015 and 2014, respectively, and a pretax non-core loss on retirement of debt of $4 million in the third quarter of 2015. See “Results of Operations — Holding Company, Other and Unallocated” for the quarters ended September 30, 2015 and 2014 for a discussion of these non-core charges.

Holding Company and Other — Net Investment Income

AFG recorded investment income on investments held outside of its insurance operations of $1 million in the first nine months of 2015 compared to $3 million in the first nine months of 2014.

Holding Company and Other — P&C Fees and Related Expenses

Summit, the workers’ compensation insurance business that AFG acquired in April 2014, collects fees from a small group of unaffiliated insurers for providing underwriting, policy administration and claims services. In addition, certain of AFG’s property and casualty businesses collect fees from customers for ancillary services such as workplace safety programs and premium financing. In the first nine months of 2015, AFG collected $38 million in fees for these services. Management views this fee income, net of the $28 million in expenses incurred to generate such fees, as a reduction in the cost of underwriting its property and casualty insurance policies. Consistent with internal management reporting, these fees and the related expenses are netted and recorded as a reduction of commissions and other underwriting expenses in AFG’s segmented results. Beginning with the first quarter of 2015, these fees are shown in other income and the related expenses are shown in other expenses in AFG’s Statement of Earnings.

Holding Company and Other — Other Income

Other income in the table above includes $11 million and $18 million in the first nine months of 2015 and 2014, respectively, in management fees paid to AFG by the AFG-managed CLOs (AFG’s consolidated managed investment entities). The $18 million of management fees in the first nine months of 2014 includes $9 million incentive management fees earned in connection with the liquidation of two CLOs. The management fees are eliminated in consolidation — see the other income line in the Consolidate MIEs column under “Results of Operations — Segmented Statement of Earnings.” Excluding amounts eliminated

84

AMERICAN FINANCIAL GROUP, INC. 10-Q

Management’s Discussion and Analysis of Financial Condition and Results of Operations — Continued

in consolidation, AFG recorded other income outside of its insurance operations of $7 million in both the first nine months of 2015 and 2014.

Holding Company and Other — Interest Charges on Borrowed Money

AFG’s holding companies and other operations outside of its insurance operations recorded interest expense of $56 million in the first nine months of 2015 compared to $50 million in the first nine months of 2014, an increase of $6 million (12%). This increase reflects the September 2014 issuance of $150 million in 6-1/4% Subordinated Debentures due 2054, partially offset by the favorable impact of the interest rate swap entered into in June 2015.

Holding Company and Other — Special A&E Charges

See “Holding Company and Other — Special A&E Charges” under “Results of Operations — Holding Company, Other and Unallocated” for the quarters ended September 30, 2015 and 2014 for a discussion of the $12 million and $6 million in non-core special A&E charges recorded in the third quarter of 2015 and 2014, respectively.

Holding Company and Other — Loss on Retirement of Debt

See “Holding Company and Other — Loss on retirement of Debt” under “Results of Operations — Holding Company, Other and Unallocated” for the quarters ended September 30, 2015 and 2014 for a discussion of the $4 million loss on retirement of debt recorded in the third quarter of 2015.

Holding Company and Other — Other Expenses

Excluding the non-core special A&E charges and the non-core loss on retirement of debt, AFG’s holding companies and other operations outside of its insurance operations recorded other expenses of $78 million in the first nine months of 2015 compared to $86 million in the first nine months of 2014, a decrease of $8 million (9%).

Consolidated Realized Gains on Securities AFG’s consolidated realized gains on securities, which are not allocated to segments, were $2 million in the first nine months of 2015 compared to $44 million in the first nine months of 2014, a decrease of $42 million (95%). Realized gains (losses) on securities consisted of the following (in millions):

	Nine months ended September 30,
	2015			2014
Realized gains (losses) before impairments:
Disposals	$	81		$	55
Change in the fair value of derivatives	(7		)	3
Adjustments to annuity deferred policy acquisition costs and related items	(3		)	(1		)
	71			57
Impairment charges:
Securities	(80		)	(16		)
Adjustments to annuity deferred policy acquisition costs and related items	11			3
	(69		)	(13		)
Realized gains on securities	$	2		$	44

AFG’s impairment charges on securities in the first nine months of 2015 consist of $48 million on equity securities and $32 million on fixed maturities. Approximately $30 million of the charges are for energy related investments, $13 million are for real estate related investments and $7 million for investments in metal mining companies.

Consolidated Realized Gains (Losses) on Subsidiaries   In addition to the $162 million estimated pretax realized loss on the sale of substantially all of AFG’s run-off long-term care insurance business recorded in the first quarter of 2015, AFG recorded a $5 million pretax realized gain in the third quarter of 2015 representing an adjustment to the previously recognized loss on a small property and casualty subsidiary sold several years ago.

Consolidated Income Taxes   AFG’s consolidated provision for income taxes was $115 million for the first nine months of 2015 compared to $155 million for the first nine months of 2014, a decrease of $40 million (26%). See NoteL — “Income Taxes” to the financial statements for an analysis of items affecting AFG’s effective tax rate.

85

AMERICAN FINANCIAL GROUP, INC. 10-Q

Management’s Discussion and Analysis of Financial Condition and Results of Operations — Continued

Consolidated Noncontrolling Interests   AFG’s consolidated net earnings (loss) attributable to noncontrolling interests was earnings of $17 million for the first nine months of 2015 compared to a loss of $44 million for the first nine months of 2014. The following table details net earnings (loss) in consolidated subsidiaries attributable to holders other than AFG (dollars in millions):

	Nine months ended September 30,
	2015		2014			% Change
National Interstate	$	9	$	3		200	%
Managed Investment Entities	—		(47		)	(100	%)
Other	8		—			—	%
Earnings (loss) attributable to noncontrolling interests	$	17	$	(44	)	(139	%)

The losses of Managed Investment Entities for the first nine months of 2014 represent CLO losses that ultimately inure to holders of the CLO debt. See Note A — “Accounting Policies — Managed Investment Entities” to the financial statements for a discussion of accounting guidance adopted in 2015 that affects the measurement of the fair value of CLO liabilities. Under the new guidance, there are no longer any CLO earnings or losses to be attributed to noncontrolling interests in AFG’s Statement of Earnings.

Other noncontrolling interests includes $6 million related to the gain on the sale of Le Pavillon Hotel in the second quarter of 2015, which was owned by an 80%-owned subsidiary of Great American Insurance Company.

RECENTLY ADOPTED ACCOUNTING STANDARDS

See Note A — “Accounting Policies — Managed Investment Entities” to the financial statements for a discussion of accounting guidance adopted on January 1, 2015 that affects the measurement of the fair value of CLO liabilities.

See Note B — “Acquisitions and Sale of Businesses” to the financial statements for a discussion of accounting guidance adopted on January 1, 2015 that impacts the determination of when a component of an entity qualifies for presentation as a discontinued operation.

ACCOUNTING STANDARDS TO BE ADOPTED IN 2016

See Note A — “Accounting Policies — Managed Investment Entities” to the financial statements for a discussion of accounting guidance that AFG will be required to adopt effective January 1, 2016, which could impact the consolidation of collateralized financing entities such as CLOs, as well as limited partnerships and similar investments.

In April 2015, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update (“ASU”) 2015-03, which will require debt issuance costs to be presented in the balance sheet as a direct reduction in the carrying value of long-term debt (consistent with the treatment of debt discounts) with the periodic amortization of such costs included in interest expense. AFG currently carries debt issuance costs as a deferred charge ($18 million at September 30, 2015 and included in other assets in AFG’s Balance Sheet) with the periodic amortization ($1 million in the first nine months of 2015) included in other expenses in AFG’s Statement of Earnings. The updated guidance, which AFG will be required to adopt effective January 1, 2016, does not affect the overall recognition and measurement guidance for debt issuance costs. Accordingly, the guidance will have no overall impact on AFG’s Shareholders’ Equity or results of operations.

In May 2015, the FASB issued ASU 2015-09, Financial Services-Insurance: Disclosures About Short-Duration Contracts, which requires additional disclosures about the liability for unpaid losses and loss adjustment expenses (including accident year information). AFG will be required to adopt the updated guidance for annual reporting beginning in 2016 and interim reporting beginning with the first quarter of 2017. Because the new guidance does not affect the existing recognition or measurement guidance, the adoption will have no effect on AFG’s financial condition or results of operations.

86

AMERICAN FINANCIAL GROUP, INC. 10-Q

ITEM 3

Quantitative and Qualitative Disclosure about Market Risk

As of September 30, 2015, there were no material changes to the information provided in Item 7A — Quantitative and Qualitative Disclosures about Market Risk of AFG’s 2014 Form 10-K.

ITEM 4

Controls and Procedures

AFG’s management, with participation of its Co-Chief Executive Officers and its Chief Financial Officer, has evaluated AFG’s disclosure controls and procedures (as defined in Exchange Act Rule 13a-15) as of the end of the period covered by this report. Based on that evaluation, AFG’s Co-CEOs and CFO concluded that the controls and procedures are effective. There have been no changes in AFG’s internal control over financial reporting during the third fiscal quarter of 2015 that materially affected, or are reasonably likely to materially affect, AFG’s internal control over financial reporting.

In the ordinary course of business, AFG and its subsidiaries routinely enhance their information systems by either upgrading current systems or implementing new systems. There has been no change in AFG’s business processes and procedures during the third fiscal quarter of 2015 that has materially affected, or is reasonably likely to materially affect, AFG’s internal control over financial reporting.

PART II

OTHER INFORMATION

ITEM 2

Unregistered Sales of Equity Securities and Use of Proceeds

Issuer Purchases of Equity Securities AFG repurchased shares of its Common Stock during the first nine months of 2015 as follows:

	Total Number of Shares Purchased	Average Price Paid Per Share		Total Number of Shares Purchased as Part of Publicly Announced Plans or Programs	Maximum Number of Shares that May Yet be Purchased Under the Plans or Programs (a)
First Six Months	1,254,791	$	62.02	1,254,791	3,745,209
July	—	—		—	3,745,209
August	233,856	68.67		233,856	3,511,353
September	278,593	68.48		278,593	3,232,760
Total	1,767,240	$	63.92	1,767,240

(a) Represents the remaining shares that may be repurchased under the Plan authorized by AFG’s Board of Directors in December 2014.

In addition, AFG acquired 32,633 shares of its Common Stock (at an average of $62.53 per share) in the first six months of 2015 and 1,162 shares (at $69.42 per share) in September 2015 in connection with its stock incentive plans.

87

AMERICAN FINANCIAL GROUP, INC. 10-Q

ITEM 6

Exhibits

Number	Exhibit Description
12	Computation of ratios of earnings to fixed charges.
31(a)	Certification of Co-Chief Executive Officer pursuant to section 302(a) of the Sarbanes-Oxley Act of 2002.
31(b)	Certification of Co-Chief Executive Officer pursuant to section 302(a) of the Sarbanes-Oxley Act of 2002.
31(c)	Certification of Chief Financial Officer pursuant to section 302(a) of the Sarbanes-Oxley Act of 2002.
32	Certification of Co-Chief Executive Officers and Chief Financial Officer pursuant to section 906 of the Sarbanes-Oxley Act of 2002.
101	The following financial information from American Financial Group’s Form 10-Q for the quarter ended September 30, 2015, formatted in XBRL (Extensible Business Reporting Language):
	(i) Consolidated Balance Sheet
	(ii) Consolidated Statement of Earnings
	(iii) Consolidated Statement of Comprehensive Income
	(iv) Consolidated Statement of Changes in Equity
	(v) Consolidated Statement of Cash Flows
	(vi) Notes to Consolidated Financial Statements

Signature

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

	American Financial Group, Inc.
November 6, 2015	By:	/s/ Joseph E. (Jeff) Consolino
		Joseph E. (Jeff) Consolino
		Executive Vice President and Chief Financial Officer

88

EX-12

Exhibit 12

AMERCIAN FINANCIAL GROUP, INC. AND SUBSIDIARIES

COMPUTATION OF RATIOS OF EARNINGS TO FIXED CHARGES

(Dollars in Millions)

	Nine months ended September 30, 2015			Year ended December 31, 2014
Earnings before income taxes	$	355		$	626
Undistributed equity in earnings of investees	(19		)	(10		)
Losses of managed investment entities attributable to noncontrolling interest	—			51
Fixed charges:
Interest on annuities	543			648
Interest expense	57			73
Debt discount, expense and other fixed charges	1			1
Portion of rentals representing interest	17			22
EARNINGS	$	954		$	1,411
Fixed charges:
Interest on annuities	$	543		$	648
Interest expense	57			73
Debt discount, expense and other fixed charges	1			1
Portion of rentals representing interest	17			22
FIXED CHARGES	$	618		$	744
Ratio of Earnings to Fixed Charges (*)	1.54			1.90
Earnings in Excess of Fixed Charges	$	336		$	667

(*) The ratio of earnings to fixed charges for the nine months ended September 30, 2015 includes the impact of the $162 million pretax realized loss recorded on the pending sale of AFG's run-off long-term care business. Excluding this realized loss on subsidiaries, this ratio was 1.81 for the nine months ended September 30, 2015. Although the ratio excluding this realized loss on subsidiaries is not required or encouraged to be disclosed under Securities and Exchange Commission rules, it is presented to explain the decrease in this ratio between periods.

E-1

EX-31.A

Exhibit 31(a)

AMERICAN FINANCIAL GROUP, INC. 10-Q

SARBANES-OXLEY SECTION 302(a) CERTIFICATIONS

I, Carl H. Lindner III, certify that:

1. I have reviewed this quarterly report on Form 10-Q of American Financial Group, Inc.;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officers and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c) Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d) Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officers and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of registrant’s board of directors (or persons performing the equivalent functions):

a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

November 6, 2015	By:	/s/ Carl H. Lindner III
		Carl H. Lindner III
		Co-Chief Executive Officer

E-2

EX-31.B

Exhibit 31(b)

AMERICAN FINANCIAL GROUP, INC. 10-Q

SARBANES-OXLEY SECTION 302(a) CERTIFICATIONS

I, S. Craig Lindner, certify that:

1. I have reviewed this quarterly report on Form 10-Q of American Financial Group, Inc.;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officers and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c) Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d) Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officers and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of registrant’s board of directors (or persons performing the equivalent functions):

a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

November 6, 2015	By:	/s/ S. Craig Lindner
		S. Craig Lindner
		Co-Chief Executive Officer

E-3

EX-31.C

Exhibit 31(c)

AMERICAN FINANCIAL GROUP, INC. 10-Q

SARBANES-OXLEY SECTION 302(a) CERTIFICATIONS

I, Joseph E. (Jeff) Consolino, certify that:

1. I have reviewed this quarterly report on Form 10-Q of American Financial Group, Inc.;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officers and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c) Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d) Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officers and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of registrant’s board of directors (or persons performing the equivalent functions):

a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

November 6, 2015	By:	/s/ Joseph E. (Jeff) Consolino
		Joseph E. (Jeff) Consolino
		Executive Vice President and Chief Financial Officer

E-4

EX-32

Exhibit 32

AMERICAN FINANCIAL GROUP, INC. 10-Q

CERTIFICATION OF CHIEF EXECUTIVE OFFICER AND CHIEF FINANCIAL OFFICER

Pursuant to section 906 of the Sarbanes-Oxley Act of 2002

In connection with the filing with the Securities and Exchange Commission of the Quarterly Report of American Financial Group, Inc. (the “Company”) on Form 10-Q for the period ended September 30, 2015 (the “Report”), the undersigned officers of the Company, certify, pursuant to section 906 of the Sarbanes-Oxley Act of 2002, that to the best of their knowledge:

(1) The Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Act of 1934; and

(2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

November 6, 2015	By:	/s/ S. Craig Lindner
Date		S. Craig Lindner
		Co-Chief Executive Officer
November 6, 2015	By:	/s/ Carl H. Lindner III
Date		Carl H. Lindner III
		Co-Chief Executive Officer
November 6, 2015	By:	/s/ Joseph E. (Jeff) Consolino
Date		Joseph E. (Jeff) Consolino
		Executive Vice President and Chief Financial Officer

A signed original of this written statement will be retained by the Registrant and

furnished to the Securities and Exchange Commission or its staff upon request.

E-5

XML

Segments of Operations (Details Textual) $ in Millions		3 Months Ended				9 Months Ended
		Sep. 30, 2015 USD ($)		Jun. 30, 2015 USD ($)	Sep. 30, 2014 USD ($)	Sep. 30, 2015 USD ($) segment		Sep. 30, 2014 USD ($)
Segment Reporting Information [Line Items]
Number of segments | segment						4
Other income		$ 40			$ 28	$ 177		$ 75
Earnings (losses) of managed investment entities attributable to noncontrolling interests	[1]	0			(29)	0		(47)
Other Lines [Member]
Segment Reporting Information [Line Items]
Special charges to increase asbestos and environmental reserves		67			24
Property and Casualty Insurance [Member]
Segment Reporting Information [Line Items]
Other income		2	[2]		4	$ 61	[2]	8
Property and Casualty Insurance [Member] | Real Estate Investment [Member]
Segment Reporting Information [Line Items]
Other income	[2]			$ 51
Other [Member]
Segment Reporting Information [Line Items]
Special charges to increase asbestos and environmental reserves		12			6
Write off of deferred debt issuance cost due to the retirement of debt		$ 4
Earnings (losses) of managed investment entities attributable to noncontrolling interests					$ (29)			$ (47)

[1] Included in Earnings before income taxes in AFG’s Statement of Earnings.

[2] Includes pretax income of $51 million (before noncontrolling interest) from the sale of the Le Pavillon Hotel in the second quarter of 2015.

XML

Investments (Details Textual) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015 USD ($)	Sep. 30, 2014 USD ($)	Sep. 30, 2015 USD ($) security	Sep. 30, 2014 USD ($)	Dec. 31, 2014 USD ($)
Investment [Line Items]
Percentage (based on amount of unrealized loss) of available for sale fixed maturities that are in an unrealized loss position and rated investment grade			76.00%
Percentage (based on fair value) of available for sale fixed maturities that are in an unrealized loss position and rated investment grade			85.00%
Other than temporary impairment charges	$ 35	$ 11	$ 69	$ 13
Average life of ABS			5 years
Average life of MBS			4 years 6 months
Residential Mortgage Backed Securities [Member]
Investment [Line Items]
Non-credit related portion of other-than-temporary impairment charges taken for securities still owned	213		$ 213		$ 220
Fixed maturities, Gross Unrealized, Losses	(15)		(15)		(15)
Other than temporary impairment charges			3
Securities with non-credit other-than-temporary impairment charges [Member]
Investment [Line Items]
Gross Unrealized, Gains	143		143		151
Gross Unrealized, Losses	(8)		(8)		(8)
Fixed maturities [Member]
Investment [Line Items]
Fixed maturities, Gross Unrealized, Losses	(211)		$ (211)		(79)
Number of available for sale securities in an unrealized loss position | security			950
Other than temporary impairment charges	17	$ 9	$ 32	$ 10
Corporate bonds [Member]
Investment [Line Items]
Other than temporary impairment charges			25
Municipal bonds [Member]
Investment [Line Items]
Other than temporary impairment charges			$ 4
Common stocks [Member]
Investment [Line Items]
Number of available for sale securities in an unrealized loss position | security			76
Other than temporary impairment charges			$ 48
Equity securities, Gross Unrealized, Losses	(94)		$ (94)		(25)
Preferred stocks [Member]
Investment [Line Items]
Number of available for sale securities in an unrealized loss position | security			25
Equity securities, Gross Unrealized, Losses	$ (7)		$ (7)		$ (5)
Percentage (based on amount of unrealized loss) of available for sale equity securities that are in an unrealized loss position for twelve months or more and rated investment grade			93.00%
Number of available for sale securities in an unrealized loss position for twelve months or longer [Member] | Common stocks [Member]
Investment [Line Items]
Number of available for sale securities in an unrealized loss position | security			0
Number of available for sale securities in an unrealized loss position for twelve months or longer [Member] | Preferred stocks [Member]
Investment [Line Items]
Number of available for sale securities in an unrealized loss position | security			4

XML

Investments (Details 2) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Roll Forward]
Beginning Balance	$ 166	$ 175	$ 170	$ 194
Additional credit impairments on:
Previously impaired securities	0	0	1	0
Securities without prior impairments	2	0	2	0
Reductions due to sales or redemptions	(2)	(2)	(7)	(21)
Ending Balance	$ 166	$ 173	$ 166	$ 173

XML

Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Effective Income Tax Rate Reconciliation, Amount [Abstract]
Earnings before income taxes (“EBT”)	$ 99	$ 145	$ 355	$ 436
Income taxes at statutory rate	34	51	124	153
Effect of tax exempt interest	(6)	(6)	(20)	(18)
Effect of change in valuation allowance	8	(1)	8	2
Effect of losses of managed investment entities	0	10	0	16
Effect of subsidiaries not in AFG's tax return	0	1	2	0
Effect of other income tax reconciliation	(3)	(1)	1	2
Provision for income taxes as shown on the Statement of Earnings	$ 33	$ 54	$ 115	$ 155
Effective Income Tax Rate Reconciliation, Percent [Abstract]
Income taxes at statutory rate as a percentage of EBT	35.00%	35.00%	35.00%	35.00%
Effect of tax exempt interest as a percentage of EBT	(6.00%)	(4.00%)	(6.00%)	(4.00%)
Effect of change in valuation allowance as a percentage of EBT	8.00%	(1.00%)	2.00%	1.00%
Effect of losses of managed investment entities as a percentage of EBT	0.00%	7.00%	0.00%	4.00%
Effect of subsidiaries not in AFG's tax return as a percentage of EBT	0.00%	1.00%	1.00%	0.00%
Effect of other income tax reconciliation as a percentage of EBT	(4.00%)	(1.00%)	0.00%	0.00%
Provision for income taxes as shown on the Statement of Earnings as a percentage of EBT	33.00%	37.00%	32.00%	36.00%

XML

Derivatives (Details) - Not Designated as Hedging Instrument [Member] - USD ($) $ in Millions	Sep. 30, 2015	Dec. 31, 2014
Derivatives included in AFG' s Balance Sheet at fair value
Derivative asset, at fair value	$ 284	$ 499
Derivative liability, at fair value	1,207	1,173
MBS with embedded derivatives [Member] | Fixed maturities [Member]
Derivatives included in AFG' s Balance Sheet at fair value
Derivative asset, at fair value	162	158
Public company warrants [Member] | Equity securities [Member]
Derivatives included in AFG' s Balance Sheet at fair value
Derivative asset, at fair value	0	19
Fixed-indexed annuities (embedded derivative) [Member] | Annuity benefits accumulated [Member]
Derivatives included in AFG' s Balance Sheet at fair value
Derivative liability, at fair value	1,198	1,160
Equity index call options [Member] | Other investments [Member]
Derivatives included in AFG' s Balance Sheet at fair value
Derivative asset, at fair value	122	322
Reinsurance contracts (embedded derivative) [Member] | Other liabilities [Member]
Derivatives included in AFG' s Balance Sheet at fair value
Derivative liability, at fair value	$ 9	$ 13

XML

Investments (Details) - USD ($) $ in Millions	Sep. 30, 2015	Dec. 31, 2014
Schedule of Available-for-sale Securities [Line Items]
Fixed maturities, Available for sale, Amortized Cost	$ 31,868	$ 29,074
Available for sale (AFS) fixed maturities	33,114	30,734
Equity securities, Available for sale, Amortized Cost	1,590	1,283
Equity securities, Available for sale, Fair Value	1,658	1,501
U.S. Government and government agencies [Member]
Schedule of Available-for-sale Securities [Line Items]
Fixed maturities, Available for sale, Amortized Cost	329	347
Available for sale (AFS) fixed maturities	335	353
Fixed maturities, Available for sale, Gross Unrealized, Gains	8	8
Fixed maturities, Available for sale, Gross Unrealized, Losses	(2)	(2)
States, municipalities and political subdivisions [Member]
Schedule of Available-for-sale Securities [Line Items]
Fixed maturities, Available for sale, Amortized Cost	6,874	6,393
Available for sale (AFS) fixed maturities	7,166	6,747
Fixed maturities, Available for sale, Gross Unrealized, Gains	321	364
Fixed maturities, Available for sale, Gross Unrealized, Losses	(29)	(10)
Foreign government [Member]
Schedule of Available-for-sale Securities [Line Items]
Fixed maturities, Available for sale, Amortized Cost	157	184
Available for sale (AFS) fixed maturities	166	194
Fixed maturities, Available for sale, Gross Unrealized, Gains	9	10
Fixed maturities, Available for sale, Gross Unrealized, Losses	0	0
Residential Mortgage Backed Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Fixed maturities, Available for sale, Amortized Cost	3,540	4,046
Available for sale (AFS) fixed maturities	3,879	4,442
Fixed maturities, Available for sale, Gross Unrealized, Gains	354	411
Fixed maturities, Available for sale, Gross Unrealized, Losses	(15)	(15)
Commercial Mortgage Backed Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Fixed maturities, Available for sale, Amortized Cost	2,185	2,294
Available for sale (AFS) fixed maturities	2,297	2,451
Fixed maturities, Available for sale, Gross Unrealized, Gains	112	158
Fixed maturities, Available for sale, Gross Unrealized, Losses	0	(1)
Asset-backed Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Fixed maturities, Available for sale, Amortized Cost	4,673	3,872
Available for sale (AFS) fixed maturities	4,701	3,887
Fixed maturities, Available for sale, Gross Unrealized, Gains	47	37
Fixed maturities, Available for sale, Gross Unrealized, Losses	(19)	(22)
All other corporate [Member]
Schedule of Available-for-sale Securities [Line Items]
Fixed maturities, Available for sale, Amortized Cost	14,110	11,938
Available for sale (AFS) fixed maturities	14,570	12,660
Fixed maturities, Available for sale, Gross Unrealized, Gains	606	751
Fixed maturities, Available for sale, Gross Unrealized, Losses	(146)	(29)
Fixed maturities [Member]
Schedule of Available-for-sale Securities [Line Items]
Fixed maturities, Available for sale, Amortized Cost	31,868	29,074
Available for sale (AFS) fixed maturities	33,114	30,734
Fixed maturities, Available for sale, Gross Unrealized, Gains	1,457	1,739
Fixed maturities, Available for sale, Gross Unrealized, Losses	(211)	(79)
Common stocks [Member]
Schedule of Available-for-sale Securities [Line Items]
Equity securities, Available for sale, Amortized Cost	1,147	885
Equity securities, Available for sale, Fair Value	1,204	1,087
Equity securities, Available for sale, Gross Unrealized, Gains	151	227
Equity securities, Available for sale, Gross Unrealized, Losses	(94)	(25)
Perpetual preferred stocks [Member]
Schedule of Available-for-sale Securities [Line Items]
Equity securities, Available for sale, Amortized Cost	443	398
Equity securities, Available for sale, Fair Value	454	414
Equity securities, Available for sale, Gross Unrealized, Gains	18	21
Equity securities, Available for sale, Gross Unrealized, Losses	$ (7)	$ (5)

XML

Acquisitions and Sale of Businesses (Details) - USD ($) $ in Millions			9 Months Ended
		Apr. 01, 2014	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2014
Business Acquisition [Line Items]
Total purchase price			$ 0	$ 267
Allocation of excess purchase price:
Goodwill			$ 201		$ 201
Summit Holding Southeast, Inc [Member]
Business Acquisition [Line Items]
Total purchase price		$ 259
Tangible assets acquired:
Cash and cash equivalents		1,078
Fixed maturities, available for sale		92
Recoverables from reinsurers		116
Agents’ balances and premiums receivable		41
Deferred tax assets, net	[1]	67
Other receivables		21
Other assets		11
Total tangible assets acquired		1,426
Liabilities acquired:
Unpaid losses and loss adjustment expenses		1,142
Unearned premiums		3
Payable to reinsurers		3
Other liabilities		66
Total liabilities acquired		1,214
Net tangible assets acquired, at fair value		212
Excess purchase price over net tangible assets acquired		47
Allocation of excess purchase price:
Intangible assets acquired	[2]	47
Deferred tax on intangible assets acquired	[1]	(16)
Goodwill		$ 16

[1] AFG’s net deferred tax assets are included in Other assets in AFG’s Consolidated Balance Sheet at September 30, 2015.

[2] Included in Other assets in AFG’s Consolidated Balance Sheet.

XML

Derivatives (Details Textual) - USD ($)	3 Months Ended			9 Months Ended
	Sep. 30, 2015	Jun. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Dec. 31, 2014
Derivative Instruments, Gain (Loss) [Line Items]
Indexed annuities as a percentage of annuity benefits	60.00%			60.00%
Carrying value of collateral received to support purchased call options	$ 88,000,000			$ 88,000,000
Cash Flow Hedges [Member] | Designated as Hedging Instrument [Member] | Interest rate swaps [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Contract term of derivative instrument			5 years
Notional amount of derivative instrument outstanding			$ 431,000,000
Gain (loss) reclassified from AOCI into net investment income	2,000,000			4,000,000
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] | Five-year interest rate swap [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Contract term of derivative instrument		5 years
Notional amount of derivative instrument outstanding		$ 195,000,000
Cash Flow Hedges [Member] | Designated as Hedging Instrument [Member] | Interest rate swaps [Member] | Fifteen-year interest rate swap [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Contract term of derivative instrument		15 years
Notional amount of derivative instrument outstanding		$ 132,000,000
Cash Flow Hedges [Member] | Designated as Hedging Instrument [Member] | Interest rate swaps [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Notional amount of derivative instrument outstanding	644,000,000			644,000,000	$ 401,000,000
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 (are less than in 2014)	$ 8,000,000			$ 8,000,000
Other assets [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 (are less than in 2014)					$ 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%			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	8.4362%			8.4362%
The net reduction in interest expense from interest rate swaps	$ 1,000,000			$ 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 (are less than in 2014)	$ 7,000,000			$ 7,000,000
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%			8.099%

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Income Taxes (Details Textual)	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Income Tax Disclosure [Abstract]
Statutory rate of income taxes	35.00%	35.00%	35.00%	35.00%

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Investments (Tables)

9 Months Ended

Sep. 30, 2015

Investments, Debt and Equity Securities [Abstract]

Available for sale fixed maturities and equity securities

Available for sale fixed maturities and equity securities at September 30, 2015 and December 31, 2014, consisted of the following (in millions):

	September 30, 2015									December 31, 2014
	Amortized Cost		Fair Value		Gross Unrealized					Amortized Cost		Fair Value		Gross Unrealized
					Gains		Losses							Gains		Losses
Fixed maturities:
U.S. Government and government agencies	$	329	$	335	$	8	$	(2	)	$	347	$	353	$	8	$	(2	)
States, municipalities and political subdivisions	6,874		7,166		321		(29		)	6,393		6,747		364		(10		)
Foreign government	157		166		9		—			184		194		10		—
Residential MBS	3,540		3,879		354		(15		)	4,046		4,442		411		(15		)
Commercial MBS	2,185		2,297		112		—			2,294		2,451		158		(1		)
Asset-backed securities	4,673		4,701		47		(19		)	3,872		3,887		37		(22		)
Corporate and other	14,110		14,570		606		(146		)	11,938		12,660		751		(29		)
Total fixed maturities	$	31,868	$	33,114	$	1,457	$	(211	)	$	29,074	$	30,734	$	1,739	$	(79	)
Common stocks	$	1,147	$	1,204	$	151	$	(94	)	$	885	$	1,087	$	227	$	(25	)
Perpetual preferred stocks	$	443	$	454	$	18	$	(7	)	$	398	$	414	$	21	$	(5	)

Available for sale securities in a continuous unrealized loss position

The following tables show gross unrealized losses (dollars in millions) on fixed maturities and equity securities by investment category and length of time that individual securities have been in a continuous unrealized loss position at September 30, 2015 and December 31, 2014.

	Less Than Twelve Months							Twelve Months or More
	Unrealized Loss			Fair Value		Fair Value as % of Cost		Unrealized Loss			Fair Value		Fair Value as % of Cost
September 30, 2015
Fixed maturities:
U.S. Government and government agencies	$	—		$	2	100	%	$	(2	)	$	15	88	%
States, municipalities and political subdivisions	(27		)	1,197		98	%	(2		)	58		97	%
Residential MBS	(6		)	347		98	%	(9		)	223		96	%
Commercial MBS	—			23		100	%	—			31		100	%
Asset-backed securities	(12		)	1,315		99	%	(7		)	414		98	%
Corporate and other	(124		)	3,197		96	%	(22		)	132		86	%
Total fixed maturities	$	(169	)	$	6,081	97	%	$	(42	)	$	873	95	%
Common stocks	$	(94	)	$	590	86	%	$	—		$	—	—	%
Perpetual preferred stocks	$	(4	)	$	127	97	%	$	(3	)	$	26	90	%
December 31, 2014
Fixed maturities:
U.S. Government and government agencies	$	—		$	39	100	%	$	(2	)	$	15	88	%
States, municipalities and political subdivisions	(2		)	222		99	%	(8		)	408		98	%
Residential MBS	(4		)	298		99	%	(11		)	209		95	%
Commercial MBS	(1		)	38		97	%	—			11		100	%
Asset-backed securities	(11		)	1,389		99	%	(11		)	622		98	%
Corporate and other	(16		)	588		97	%	(13		)	433		97	%
Total fixed maturities	$	(34	)	$	2,574	99	%	$	(45	)	$	1,698	97	%
Common stocks	$	(25	)	$	260	91	%	$	—		$	—	—	%
Perpetual preferred stocks	$	(1	)	$	45	98	%	$	(4	)	$	55	93	%

Roll forward of cumulative credit portion of other-than-temporary impairments on fixed maturity securities

A progression of the credit portion of other-than-temporary impairments on fixed maturity securities for which the non-credit portion of an impairment has been recognized in other comprehensive income is shown below (in millions):

	2015			2014
Balance at June 30	$	166		$	175
Additional credit impairments on:
Previously impaired securities	—			—
Securities without prior impairments	2			—
Reductions due to sales or redemptions	(2		)	(2		)
Balance at September 30	$	166		$	173
Balance at January 1	$	170		$	194
Additional credit impairments on:
Previously impaired securities	1			—
Securities without prior impairments	2			—
Reductions due to sales or redemptions	(7		)	(21		)
Balance at September 30	$	166		$	173

Available for sale fixed maturity securities by contractual maturity date

The table below sets forth the scheduled maturities of available for sale fixed maturities as of September 30, 2015 (dollars in millions). Securities with sinking funds are reported at average maturity. Actual maturities may differ from contractual maturities because certain securities may be called or prepaid by the issuers.

	Amortized		Fair Value
	Cost		Amount		%
Maturity
One year or less	$	1,016	$	1,032	3	%
After one year through five years	5,300		5,604		17	%
After five years through ten years	10,439		10,679		32	%
After ten years	4,715		4,922		15	%
	21,470		22,237		67	%
ABS (average life of approximately 5 years)	4,673		4,701		14	%
MBS (average life of approximately 4-1/2 years)	5,725		6,176		19	%
Total	$	31,868	$	33,114	100	%

Components of the net unrealized gain on securities, included in Accumulated Other Comprehensive Income

The following table shows (in millions) the components of the net unrealized gain on securities that is included in AOCI in AFG’s Balance Sheet.

	Pretax			Deferred Tax and Amounts  Attributable to Noncontrolling Interests			Net
September 30, 2015
Unrealized gain on:
Fixed maturities — annuity segment (*)	$	868		$	(304	)	$	564
Fixed maturities — all other	378			(140		)	238
Equity securities	68			(24		)	44
Deferred policy acquisition costs — annuity segment	(391		)	137			(254		)
Annuity benefits accumulated	(112		)	39			(73		)
Life, accident and health reserves	(67		)	24			(43		)
Unearned revenue	20			(7		)	13
	$	764		$	(275	)	$	489
December 31, 2014
Unrealized gain on:
Fixed maturities — annuity segment (*)	$	1,157		$	(405	)	$	752
Fixed maturities — all other	503			(185		)	318
Equity securities	218			(79		)	139
Deferred policy acquisition costs — annuity segment	(531		)	186			(345		)
Annuity benefits accumulated	(112		)	39			(73		)
Life, accident and health reserves	(104		)	36			(68		)
Unearned revenue	31			(11		)	20
	$	1,162		$	(419	)	$	743

(*) Unrealized gains on fixed maturity investments supporting AFG’s annuity benefits accumulated.

Net investment income earned and investment expenses incurred

The following table shows (in millions) investment income earned and investment expenses incurred.

	Three months ended September 30,						Nine months ended September 30,
	2015			2014			2015			2014
Investment income:
Fixed maturities	$	370		$	342		$	1,082		$	1,007
Equity securities	20			16			54			48
Equity in earnings of partnerships and similar investments	18			2			26			15
Other	22			20			69			56
Gross investment income	430			380			1,231			1,126
Investment expenses	(5		)	(3		)	(14		)	(9		)
Net investment income	$	425		$	377		$	1,217		$	1,117

Realized gains (losses) and changes in unrealized appreciation (depreciation) related to fixed maturity and equity security investments

Realized gains (losses) and changes in unrealized appreciation (depreciation) related to fixed maturity and equity security investments are summarized as follows (in millions):

	Fixed Maturities			Equity Securities			Mortgage Loans and Other Investments			Other (a)			Total Pretax			Tax Effects			Noncon- trolling Interests			Total
Quarter ended September 30, 2015
Realized before impairments	$	7		$	13		$	—		$	(1	)	$	19		$	(7	)	$	(1	)	$	11
Realized — impairments	(17		)	(23		)	—			5			(35		)	13			1			(21		)
Change in unrealized	(9		)	(135		)	—			(11		)	(155		)	55			2			(98		)
Quarter ended September 30, 2014
Realized before impairments	$	10		$	16		$	(1	)	$	(1	)	$	24		$	(10	)	$	—		$	14
Realized — impairments	(9		)	(5		)	—			3			(11		)	5			—			(6		)
Change in unrealized	(145		)	(40		)	—			60			(125		)	44			2			(79		)
Nine months ended September 30, 2015
Realized before impairments	$	17		$	59		$	(2	)	$	(3	)	$	71		$	(25	)	$	(1	)	$	45
Realized — impairments	(32		)	(48		)	—			11			(69		)	25			1			(43		)
Change in unrealized	(414		)	(150		)	—			166			(398		)	140			4			(254		)
Nine months ended September 30, 2014
Realized before impairments	$	32		$	26		$	—		$	(1	)	$	57		$	(21	)	$	(1	)	$	35
Realized — impairments	(10		)	(6		)	—			3			(13		)	5			—			(8		)
Change in unrealized	466			3			—			(213		)	256			(90		)	(3		)	163

(a) Primarily adjustments to deferred policy acquisition costs and reserves related to annuities and long-term care business.

Gross realized gains and losses on available for sale fixed maturity and equity security investments

Gross realized gains and losses (excluding impairment write-downs and mark-to-market of derivatives) on available for sale fixed maturity and equity security investment transactions included in the Statement of Cash Flows consisted of the following (in millions):

	Nine months ended September 30,
	2015		2014
Fixed maturities:
Gross gains	$	24	$	28
Gross losses	—		(2		)
Equity securities:
Gross gains	59		27
Gross losses	—		—

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Investments (Details 4) - USD ($) $ in Millions		Sep. 30, 2015		Jun. 30, 2015	[1]	Dec. 31, 2014		Sep. 30, 2014	Jun. 30, 2014	Dec. 31, 2013
Unrealized gain on:
Pretax		$ 764				$ 1,162
Deferred Tax and Amounts Attributable to Noncontrolling Interests		(275)				(419)
Net		489	[1]	$ 587		743	[1]	$ 726	$ 805	$ 563
Fixed maturities - annuity segment [Member]
Unrealized gain on:
Pretax	[2]	868				1,157
Deferred Tax and Amounts Attributable to Noncontrolling Interests	[2]	(304)				(405)
Net	[2]	564				752
Fixed maturities - all other [Member]
Unrealized gain on:
Pretax		378				503
Deferred Tax and Amounts Attributable to Noncontrolling Interests		(140)				(185)
Net		238				318
Equity securities [Member]
Unrealized gain on:
Pretax		68				218
Deferred Tax and Amounts Attributable to Noncontrolling Interests		(24)				(79)
Net		44				139
Deferred policy acquisition costs - annuity segment [Member]
Unrealized gain on:
Pretax		(391)				(531)
Deferred Tax and Amounts Attributable to Noncontrolling Interests		137				186
Net		(254)				(345)
Annuity benefits accumulated [Member]
Unrealized gain on:
Pretax		(112)				(112)
Deferred Tax and Amounts Attributable to Noncontrolling Interests		39				39
Net		(73)				(73)
Life, accident and health reserves [Member]
Unrealized gain on:
Pretax		(67)				(104)
Deferred Tax and Amounts Attributable to Noncontrolling Interests		24				36
Net		(43)				(68)
Unearned revenue [Member]
Unrealized gain on:
Pretax		20				31
Deferred Tax and Amounts Attributable to Noncontrolling Interests		(7)				(11)
Net		$ 13				$ 20

[1] Includes net unrealized gains of $53 million at September 30, 2015, $57 million at June 30, 2015 and $58 million at December 31, 2014 related to securities for which only the credit portion of an other-than-temporary impairment has been recorded in earnings.

[2] Unrealized gains on fixed maturity investments supporting AFG’s annuity benefits accumulated.

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Fair Value Measurements (Details 2) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
US Treasury and Government [Member]
Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]
Financial assets, Beginning Balance	$ 15	$ 15	$ 15	$ 15
Impact of accounting change			0
Total realized/unrealized gains (losses) included in Net income	0	0	0	0
Total realized/unrealized gains (losses) included in other comprehensive income (loss)	0	0	0	0
Purchases and issuances	0	0	0	0
Sales and settlements	0	0	0	0
Transfer into Level 3	0	0	0	0
Transfer out of Level 3	0	0	0	0
Financial assets, Ending Balance	15	15	15	15
States, municipalities and political subdivisions [Member]
Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]
Financial assets, Beginning Balance	84	61	100	61
Impact of accounting change			0
Total realized/unrealized gains (losses) included in Net income	0	(1)	0	(1)
Total realized/unrealized gains (losses) included in other comprehensive income (loss)	1	(1)	(1)	(1)
Purchases and issuances	9	0	34	0
Sales and settlements	(1)	0	(1)	0
Transfer into Level 3	0	7	0	7
Transfer out of Level 3	0	0	(39)	0
Financial assets, Ending Balance	93	66	93	66
Residential Mortgage Backed Securities [Member]
Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]
Financial assets, Beginning Balance	296	256	300	316
Impact of accounting change			0
Total realized/unrealized gains (losses) included in Net income	(3)	0	(5)	3
Total realized/unrealized gains (losses) included in other comprehensive income (loss)	(1)	(1)	0	5
Purchases and issuances	0	8	0	8
Sales and settlements	(8)	(8)	(24)	(23)
Transfer into Level 3	10	20	67	58
Transfer out of Level 3	0	(12)	(44)	(104)
Financial assets, Ending Balance	294	263	294	263
Commercial Mortgage Backed Securities [Member]
Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]
Financial assets, Beginning Balance	48	28	44	28
Impact of accounting change			0
Total realized/unrealized gains (losses) included in Net income	0	(1)	0	(1)
Total realized/unrealized gains (losses) included in other comprehensive income (loss)	(1)	0	(1)	0
Purchases and issuances	0	0	0	0
Sales and settlements	(1)	0	(1)	0
Transfer into Level 3	0	0	4	0
Transfer out of Level 3	(1)	0	(1)	0
Financial assets, Ending Balance	45	27	45	27
Asset-backed Securities [Member]
Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]
Financial assets, Beginning Balance	332	204	226	75
Impact of accounting change			0
Total realized/unrealized gains (losses) included in Net income	0	0	1	3
Total realized/unrealized gains (losses) included in other comprehensive income (loss)	0	(3)	0	(2)
Purchases and issuances	110	8	230	68
Sales and settlements	(3)	(7)	(51)	(23)
Transfer into Level 3	20	0	53	81
Transfer out of Level 3	(10)	(23)	(10)	(23)
Financial assets, Ending Balance	449	179	449	179
All other corporate [Member]
Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]
Financial assets, Beginning Balance	597	313	546	335
Impact of accounting change			0
Total realized/unrealized gains (losses) included in Net income	0	(1)	(3)	4
Total realized/unrealized gains (losses) included in other comprehensive income (loss)	7	1	(4)	4
Purchases and issuances	24	51	103	72
Sales and settlements	(13)	(13)	(37)	(59)
Transfer into Level 3	31	91	41	91
Transfer out of Level 3	0	0	0	(5)
Financial assets, Ending Balance	646	442	646	442
Equity securities [Member]
Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]
Financial assets, Beginning Balance	118	81	93	31
Impact of accounting change			0
Total realized/unrealized gains (losses) included in Net income	0	0	(4)	1
Total realized/unrealized gains (losses) included in other comprehensive income (loss)	(2)	(2)	(1)	2
Purchases and issuances	7	2	52	48
Sales and settlements	0	0	0	(9)
Transfer into Level 3	0	0	0	22
Transfer out of Level 3	0	0	(17)	(14)
Financial assets, Ending Balance	123	81	123	81
Assets of Managed Investment Entities [Member]
Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]
Financial assets, Beginning Balance	29	27	31	30
Impact of accounting change			0
Total realized/unrealized gains (losses) included in Net income	(3)	0	(9)	(2)
Total realized/unrealized gains (losses) included in other comprehensive income (loss)	0	0	0	0
Purchases and issuances	0	3	4	3
Sales and settlements	0	(1)	0	(2)
Transfer into Level 3	0	0	0	0
Transfer out of Level 3	0	0	0	0
Financial assets, Ending Balance	$ 26	$ 29	$ 26	$ 29

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Segments of Operations (Details) - USD ($) $ in Millions	3 Months Ended			9 Months Ended
	Sep. 30, 2015		Sep. 30, 2014	Sep. 30, 2015		Sep. 30, 2014
Segment Reporting Information [Line Items]
Total premiums earned	$ 1,173		$ 1,132	$ 3,104		$ 2,817
Net investment income	425		377	1,217		1,117
Other income	40		28	177		75
Revenues before realized gains (losses)	1,695		1,568	4,674		4,140
Realized gains (losses) on securities	(16)		13	2		44
Realized gain (loss) on subsidiaries	5		0	(157)		0
Total revenues	1,684		1,581	4,519		4,184
Property and Casualty Insurance [Member]
Segment Reporting Information [Line Items]
Net investment income	83		76	245		219
Other income	2	[1]	4	61	[1]	8
Revenues before realized gains (losses)	1,258		1,212	3,410		3,044
Annuity [Member]
Segment Reporting Information [Line Items]
Net investment income	317		287	915		851
Other income	22		20	68		57
Revenues before realized gains (losses)	339		307	983		908
Run-off Long-term Care and Life [Member]
Segment Reporting Information [Line Items]
Revenues before realized gains (losses)	49		48	144		147
Other [Member]
Segment Reporting Information [Line Items]
Revenues before realized gains (losses)	49		1	137		41
Specialty Property and transportation [Member]
Segment Reporting Information [Line Items]
Total premiums earned	517		504	1,157		1,129
Specialty casualty [Member]
Segment Reporting Information [Line Items]
Total premiums earned	503		486	1,496		1,266
Specialty financial [Member]
Segment Reporting Information [Line Items]
Total premiums earned	131		115	380		348
Specialty Other [Member]
Segment Reporting Information [Line Items]
Total premiums earned	$ 22		$ 27	$ 71		$ 74

[1] Includes pretax income of $51 million (before noncontrolling interest) from the sale of the Le Pavillon Hotel in the second quarter of 2015.

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Investments (Details 6) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Realized gains (losses) and changes in unrealized appreciation (depreciation) related to fixed maturity and equity security investments
Realized before impairments	$ 19	$ 24	$ 71	$ 57
Realized — impairments	(35)	(11)	(69)	(13)
Fixed maturities [Member]
Realized gains (losses) and changes in unrealized appreciation (depreciation) related to fixed maturity and equity security investments
Realized before impairments	7	10	17	32
Realized — impairments	(17)	(9)	(32)	(10)
Change in unrealized	(9)	(145)	(414)	466
Equity securities [Member]
Realized gains (losses) and changes in unrealized appreciation (depreciation) related to fixed maturity and equity security investments
Realized before impairments	13	16	59	26
Realized — impairments	(23)	(5)	(48)	(6)
Change in unrealized	(135)	(40)	(150)	3
Mortgage Loans and Other Investments [Member]
Realized gains (losses) and changes in unrealized appreciation (depreciation) related to fixed maturity and equity security investments
Realized before impairments	0	(1)	(2)	0
Realized — impairments	0	0	0	0
Change in unrealized	0	0	0	0
Other [Member]
Realized gains (losses) and changes in unrealized appreciation (depreciation) related to fixed maturity and equity security investments
Realized before impairments	(1)	(1)	(3)	(1)
Realized — impairments	5	3	11	3
Change in unrealized	(11)	60	166	(213)
Total Pretax [Member]
Realized gains (losses) and changes in unrealized appreciation (depreciation) related to fixed maturity and equity security investments
Realized before impairments	19	24	71	57
Realized — impairments	(35)	(11)	(69)	(13)
Change in unrealized	(155)	(125)	(398)	256
Tax Effects [Member]
Realized gains (losses) and changes in unrealized appreciation (depreciation) related to fixed maturity and equity security investments
Realized before impairments	(7)	(10)	(25)	(21)
Realized — impairments	13	5	25	5
Change in unrealized	55	44	140	(90)
Noncontrolling Interests [Member]
Realized gains (losses) and changes in unrealized appreciation (depreciation) related to fixed maturity and equity security investments
Realized before impairments	(1)	0	(1)	(1)
Realized — impairments	1	0	1	0
Change in unrealized	2	2	4	(3)
Marketable Securities [Member]
Realized gains (losses) and changes in unrealized appreciation (depreciation) related to fixed maturity and equity security investments
Realized before impairments	11	14	45	35
Realized — impairments	(21)	(6)	(43)	(8)
Change in unrealized	$ (98)	$ (79)	$ (254)	$ 163

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Shareholders' Equity (Details 1) - USD ($) $ in Millions		3 Months Ended			9 Months Ended
		Sep. 30, 2015		Sep. 30, 2014	Sep. 30, 2015		Sep. 30, 2014
Components of accumulated other comprehensive income
Unrealized holding gains (losses) on securities arising during the period, pretax		$ (171)		$ (111)	$ (394)		$ 300
Unrealized holding gains (losses) on securities arising during the period, tax		61		38	139		(106)
Unrealized holding gains (losses) on securities arising during the period, net of tax		(110)		(73)	(255)		194
Unrealized holding gains (losses) on securities arising during the period, attributable to noncontrolling interests		3		2	5		(4)
Unrealized holding gains (losses) on securities arising during the period, attributable to shareholders		(107)		(71)	(250)		190
Reclassification adjustment for realized (gains) losses included in net earnings, pretax	[1]	16		(14)	(4)		(44)
Reclassification adjustment for realized (gains) losses included in net earnings, tax	[1]	(6)		6	1		16
Reclassification adjustment for realized (gains) losses included in net earnings, net of tax		10		(8)	(3)		(28)
Reclassification adjustment for realized (gains) losses included in net earnings, attributable to noncontrolling interests	[1]	(1)		0	(1)		1
Reclassification adjustment for realized (gains) losses included in net earnings, attributable to shareholders		9		(8)	(4)		(27)
Accumulated other comprehensive income, net unrealized gains on securities, beginning balance		587	[2]	805	743	[2]	563
Other comprehensive income, net unrealized gains on securities, pretax		(155)		(125)	(398)		256
Other comprehensive income, net unrealized gains on securities, tax		55		44	140		(90)
Total net unrealized gains (losses) on securities		(100)		(81)	(258)		166
Other comprehensive income, net unrealized gains on securities, attributable to noncontrolling interests		2		2	4		(3)
Other comprehensive income, net unrealized gains on securities, attributable to shareholders		(98)		(79)	(254)		163
Accumulated other comprehensive income, net unrealized gains on securities, ending balance		489	[2]	726	489	[2]	726
Accumulated other comprehensive income, net unrealized gains (losses) on cash flow hedges, beginning balance		0			0
Other comprehensive income, net unrealized gains (losses) on cash flow hedges, pretax		3			3
Other comprehensive income, net unrealized gains (losses) on cash flow hedges, tax		(1)			(1)
Other comprehensive income, net unrealized gains (losses) on cash flow hedges, net of tax		2		0	2		0
Other comprehensive income, net unrealized gains (losses) on cash flow hedges, attributable to noncontrolling interests		0			0
Other comprehensive income, net unrealized gains (losses) on cash flow hedges, attributable to shareholders		2			2
Accumulated other comprehensive income, net unrealized gains (losses) on cash flow hedges, ending balance		2			2
Accumulated other comprehensive income, foreign currency translation adjustments, beginning balance		(16)		(2)	(8)		1
Other comprehensive income, foreign currency translation adjustments, pretax		(5)		(2)	(11)		(5)
Other comprehensive income, foreign currency translation adjustments, tax		(2)		0	(4)		0
Other comprehensive income, foreign currency translation adjustments, net of tax		(7)		(2)	(15)		(5)
Other comprehensive income, foreign currency translation adjustments, attributable to noncontrolling interests		0		0	0		0
Other comprehensive income, foreign currency translation adjustments, attributable to shareholders		(7)		(2)	(15)		(5)
Accumulated other comprehensive income, foreign currency translation adjustments, ending balance		(23)		(4)	(23)		(4)
Accumulated other comprehensive income, pension and other postretirement plans adjustments, beginning balance		(8)		(4)	(8)		(4)
Other comprehensive income, pension and other postretirement plans adjustments, pretax		1		0	1		0
Other comprehensive income, pension and other postretirement plans adjustments, tax		0		0	0		0
Other comprehensive income, pension and other postretirement plans adjustments, net of tax		1		0	1		0
Other comprehensive income, pension and other postretirement plans adjustments, attributable to shareholders		1		0	1		0
Accumulated other comprehensive income, pension and other postretirement plans adjustments, ending balance		(7)		(4)	(7)		(4)
Accumulated other comprehensive income, total, beginning balance		563		799	727		560
Other comprehensive income, total, pretax		(156)		(127)	(405)		251
Other comprehensive income, total, tax		52		44	135		(90)
Other comprehensive income (loss), net of tax		(104)		(83)	(270)		161
Other comprehensive income, total, attributable to noncontrolling interests		2		2	4		(3)
Other comprehensive income, total, attributable to shareholders		(102)		(81)	(266)		158
Accumulated other comprehensive income, total, ending balance		$ 461		$ 718	$ 461		$ 718

[1] The reclassification adjustment out of net unrealized gains on securities affected the following lines in AFG’s Consolidated Statement of Earnings: OCI component Affected line in the Consolidated Statement of Earnings Pretax Realized gains (losses) on securities Tax Provision for income taxes Attributable to noncontrolling interests Net earnings (loss) attributable to noncontrolling interests

[2] Includes net unrealized gains of $53 million at September 30, 2015, $57 million at June 30, 2015 and $58 million at December 31, 2014 related to securities for which only the credit portion of an other-than-temporary impairment has been recorded in earnings.

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Managed Investment Entities (Details Textual) $ in Millions	1 Months Ended	9 Months Ended
	May. 31, 2015 USD ($)	Sep. 30, 2015 USD ($) collateralizedloanobligation	Sep. 30, 2014 USD ($)	Dec. 31, 2014 USD ($)
Variable Interest Entity [Line Items]
Percentage of investment of most subordinate debt tranche, Minimum		15.00%
Percentage of investment of most subordinate debt tranche, Maximum		51.20%
Number of collateralized loan obligation entities | collateralizedloanobligation		13
Proceeds received by subsidiaries related to redemptions of managed investment entities liabilities		$ 1	$ 57
Difference between aggregate unpaid principal balance and fair value of CLOs' fixed maturity investments		118		$ 83
Difference between aggregate unpaid principal balance and carrying value of CLOs' debt		164		131
Carrying amount of CLO loans in default		1		2
Aggregate unpaid principal balance of CLO loans in default		10		6
Variable interest entity, primary beneficiary [Member]
Variable Interest Entity [Line Items]
Aggregate fair value of investment in collateralized loan obligations		326		$ 289
New Collateralized Loan Obligation Entities [Member]
Variable Interest Entity [Line Items]
Face value of liabilities issued by managed investment entities on issuance date	$ 511
Face amount of managed investment entities liabilities purchased by subsidiaries at issuance date	$ 45
Subordinated debt obligations [Member] | Variable interest entity, primary beneficiary [Member]
Variable Interest Entity [Line Items]
Aggregate fair value of investment in collateralized loan obligations		$ 93
Senior debt obligations [Member]
Variable Interest Entity [Line Items]
Face amount of managed investment entities liabilities purchased by subsidiaries after issuance date			8
Amount paid by subsidiaries to purchase managed investment entities liabilities after issuance date			$ 8

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Investments (Details 1) - USD ($) $ in Millions	Sep. 30, 2015	Dec. 31, 2014
U.S. Government and government agencies [Member]
Available for sale securities in a continuous unrealized loss position
Unrealized Loss - Less than twelve months	$ 0	$ 0
Fair Value - Less than twelve months	$ 2	$ 39
Fair Value as % of Cost - Less than twelve months	100.00%	100.00%
Unrealized Loss - Twelve months or more	$ (2)	$ (2)
Fair Value - Twelve months or more	$ 15	$ 15
Fair Value as % of Cost - Twelve months or more	88.00%	88.00%
States, municipalities and political subdivisions [Member]
Available for sale securities in a continuous unrealized loss position
Unrealized Loss - Less than twelve months	$ (27)	$ (2)
Fair Value - Less than twelve months	$ 1,197	$ 222
Fair Value as % of Cost - Less than twelve months	98.00%	99.00%
Unrealized Loss - Twelve months or more	$ (2)	$ (8)
Fair Value - Twelve months or more	$ 58	$ 408
Fair Value as % of Cost - Twelve months or more	97.00%	98.00%
Residential Mortgage Backed Securities [Member]
Available for sale securities in a continuous unrealized loss position
Unrealized Loss - Less than twelve months	$ (6)	$ (4)
Fair Value - Less than twelve months	$ 347	$ 298
Fair Value as % of Cost - Less than twelve months	98.00%	99.00%
Unrealized Loss - Twelve months or more	$ (9)	$ (11)
Fair Value - Twelve months or more	$ 223	$ 209
Fair Value as % of Cost - Twelve months or more	96.00%	95.00%
Commercial Mortgage Backed Securities [Member]
Available for sale securities in a continuous unrealized loss position
Unrealized Loss - Less than twelve months	$ 0	$ (1)
Fair Value - Less than twelve months	$ 23	$ 38
Fair Value as % of Cost - Less than twelve months	100.00%	97.00%
Unrealized Loss - Twelve months or more	$ 0	$ 0
Fair Value - Twelve months or more	$ 31	$ 11
Fair Value as % of Cost - Twelve months or more	100.00%	100.00%
Asset-backed Securities [Member]
Available for sale securities in a continuous unrealized loss position
Unrealized Loss - Less than twelve months	$ (12)	$ (11)
Fair Value - Less than twelve months	$ 1,315	$ 1,389
Fair Value as % of Cost - Less than twelve months	99.00%	99.00%
Unrealized Loss - Twelve months or more	$ (7)	$ (11)
Fair Value - Twelve months or more	$ 414	$ 622
Fair Value as % of Cost - Twelve months or more	98.00%	98.00%
All other corporate [Member]
Available for sale securities in a continuous unrealized loss position
Unrealized Loss - Less than twelve months	$ (124)	$ (16)
Fair Value - Less than twelve months	$ 3,197	$ 588
Fair Value as % of Cost - Less than twelve months	96.00%	97.00%
Unrealized Loss - Twelve months or more	$ (22)	$ (13)
Fair Value - Twelve months or more	$ 132	$ 433
Fair Value as % of Cost - Twelve months or more	86.00%	97.00%
Fixed maturities [Member]
Available for sale securities in a continuous unrealized loss position
Unrealized Loss - Less than twelve months	$ (169)	$ (34)
Fair Value - Less than twelve months	$ 6,081	$ 2,574
Fair Value as % of Cost - Less than twelve months	97.00%	99.00%
Unrealized Loss - Twelve months or more	$ (42)	$ (45)
Fair Value - Twelve months or more	$ 873	$ 1,698
Fair Value as % of Cost - Twelve months or more	95.00%	97.00%
Common stocks [Member]
Available for sale securities in a continuous unrealized loss position
Unrealized Loss - Less than twelve months	$ (94)	$ (25)
Fair Value - Less than twelve months	$ 590	$ 260
Fair Value as % of Cost - Less than twelve months	86.00%	91.00%
Unrealized Loss - Twelve months or more	$ 0	$ 0
Fair Value - Twelve months or more	$ 0	$ 0
Fair Value as % of Cost - Twelve months or more	0.00%	0.00%
Perpetual preferred stocks [Member]
Available for sale securities in a continuous unrealized loss position
Unrealized Loss - Less than twelve months	$ (4)	$ (1)
Fair Value - Less than twelve months	$ 127	$ 45
Fair Value as % of Cost - Less than twelve months	97.00%	98.00%
Unrealized Loss - Twelve months or more	$ (3)	$ (4)
Fair Value - Twelve months or more	$ 26	$ 55
Fair Value as % of Cost - Twelve months or more	90.00%	93.00%

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Acquisitions and Sale of Businesses

9 Months Ended

Sep. 30, 2015

Business Combinations [Abstract]

Acquisitions and Sale of Businesses

Acquisitions and Sale of Businesses

Acquisition of Summit Holding Southeast, Inc. On April 1, 2014, AFG acquired Summit Holding Southeast, Inc. and its related companies (“Summit”), from Liberty Mutual Insurance for $259 million using cash on hand at the parent company. Immediately following the acquisition, AFG made a capital contribution of $140 million, bringing its total capital investment in the Summit business to $399 million. Summit, which is based in Lakeland, Florida and is a leading provider of specialty workers’ compensation solutions in the southeastern United States, generated $539 million in net written premiums in 2014, including $410 million after the acquisition date. Summit continues to operate under the Summit brand as a member of AFG’s Great American Insurance Group. Summit is included in the Specialty casualty sub-segment and generated $128 million and $386 million in net earned premiums in the third quarter and first nine months of 2015, respectively.

Expenses related to the acquisition were less than $1 million and were expensed as incurred. The purchase price was allocated to the acquired assets and liabilities of Summit based on management’s best estimate of fair value as of the acquisition date. The allocation of the purchase price is shown in the table below (in millions):

Total purchase price			$	259
Tangible assets acquired:
Cash and cash equivalents	$	1,078
Fixed maturities, available for sale	92
Recoverables from reinsurers	116
Agents’ balances and premiums receivable	41
Deferred tax assets, net (a)	67
Other receivables	21
Other assets	11
Total tangible assets acquired			1,426
Liabilities acquired:
Unpaid losses and loss adjustment expenses	1,142
Unearned premiums	3
Payable to reinsurers	3
Other liabilities	66
Total liabilities acquired			1,214
Net tangible assets acquired, at fair value			212
Excess purchase price over net tangible assets acquired			$	47
Allocation of excess purchase price:
Intangible assets acquired (b)			$	47
Deferred tax on intangible assets acquired (a)			(16		)
Goodwill			16
			$	47

(a) AFG’s net deferred tax assets are included in Other assets in AFG’s Consolidated Balance Sheet at September 30, 2015.

(b) Included in Other assets in AFG’s Consolidated Balance Sheet.

Acquisition of Renewal Rights On March 27, 2014, AFG completed a renewal rights agreement with Selective Insurance Company of America to acquire Selective’s pooled public entity book of business for $8 million. At the acquisition date, this book of business had approximately $38 million in in-force gross written premiums. The acquired business generated $33 million of gross written premiums and $23 million of net written premiums in 2014.

Sale of Long-term Care Business AFG ceased new sales of long-term care insurance, which is included in the run-off long-term care and life segment, in January 2010. AFG has continued to service and accept renewal premiums on its outstanding policies, which are guaranteed renewable. On April 13, 2015, AFG reached an agreement to sell substantially all of its run-off long-term care insurance business to HC2 Holdings, Inc. (“HC2”) for an initial payment of $7 million in cash and HC2 securities (subject to adjustment based on certain items, including operating results through the closing date). AFG may also receive up to $13 million of additional proceeds from HC2 in the future based on the release of certain statutory liabilities of the legal entities sold by AFG. The legal entities involved in the transaction, United Teacher Associates Insurance Company and Continental General Insurance Company, contain substantially all of AFG’s long-term care insurance reserves, as well as smaller blocks of annuity and life insurance business. The transaction is expected to close before the end of 2015, subject to customary conditions, including receipt of required regulatory approvals.

Including the significant tax benefit from the sale, AFG expects to receive after-tax proceeds of between $105 million and $115 million from the transaction (based on final proceeds received and final net assets at closing), excluding any potential additional proceeds from the release of statutory liabilities.

Based on the status of ongoing negotiations at the end of the first quarter, management determined that the potential sale of the run-off long-term care business met the GAAP “held for sale” criteria as of March 31, 2015. Accordingly, AFG recorded a loss in the first quarter of 2015 to establish a liability (included in other liabilities in AFG’s Balance Sheet) equal to the excess of the net carrying value of the assets and liabilities to be disposed over the estimated net sale proceeds. The loss may be adjusted at the closing date based on the final proceeds received and final net assets disposed. At March 31, 2015, and September 30, 2015, the carrying value of the assets and liabilities to be disposed represented approximately 4% of both AFG’s assets and liabilities and are detailed in the table below.

Under accounting guidance effective on January 1, 2015, only disposals of components of an entity that represent a strategic shift and that have a major effect on a reporting entity’s operations and financial results are reported as discontinued operations. Due to the run-off nature of the business and the immaterial expected impact on AFG’s results of operations, the pending sale of AFG’s long-term care insurance business has not been reported as a discontinued operation.

The estimated impact of the pending sale of the run-off long-term care insurance business, which was recorded in AFG’s financial statements as of March 31, 2015, is shown below (in millions):

Estimated sale proceeds (*)	$	14
Assets of businesses sold:
Cash and investments	$	1,397
Recoverables from reinsurers	603
Deferred policy acquisition costs	15
Other receivables	14
Other assets	7
Goodwill	2
Total assets	2,038
Liabilities of businesses sold:
Annuity benefits accumulated	270
Life, accident and health reserves	1,537
Other liabilities	27
Total liabilities	1,834
Reclassify net unrealized gain on marketable securities	28
Net assets of businesses sold	$	176
Pretax loss on subsidiaries recorded in the first quarter of 2015	$	(162	)

(*) Includes fair value of the potential additional consideration and is shown net of estimated expenses.

Revenues, costs and expenses, and earnings before income taxes for the subsidiaries to be sold were (in millions):

	Three months ended September 30,						Nine months ended September 30,
	2015			2014			2015			2014
Life, accident and health net earned premiums:
Long-term care	$	19		$	18		$	56		$	56
Life operations	3			3			8			8
Net investment income	19			18			56			57
Realized gains (losses) on securities and other income	(4		)	(1		)	(6		)	1
Total revenues	37			38			114			122
Annuity benefits	2			2			6			6
Life, accident and health benefits:
Long-term care	21			27			67			84
Life operations	3			3			8			9
Annuity and supplemental insurance acquisition expenses	3			3			9			10
Other expenses	4			3			13			10
Total costs and expenses	33			38			103			119
Earnings before income taxes	$	4		$	—		$	11		$	3

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Goodwill and Other Intangibles (Details Textual) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2014
Goodwill and Intangible Assets Disclosure [Abstract]
Changes in the goodwill balance during the period			$ 0
Goodwill	$ 201		201		$ 201
Amortizable intangible assets related to property and casualty insurance acquisitions	43		43		49
Accumulated amortization	16		16		$ 91
Amortization of intangible assets	$ 2	$ 6	$ 6	$ 14

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Fair Value Measurements (Details 3) - USD ($) $ in Millions		3 Months Ended			9 Months Ended
		Sep. 30, 2015	Sep. 30, 2014		Sep. 30, 2015	Sep. 30, 2014
Liabilities of Managed Investment Entities [Member]
Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]
Financial liabilities, Beginning Balance			$ (2,322)		$ (2,701)	$ (2,411)
Impact of accounting change	[1]				2,701
Total realized/unrealized gains (losses) included in Net income			5	[2]	0	(3)	[3]
Total realized/unrealized gains (losses) included in other comprehensive income (loss)			0		0	0
Purchases and issuances			(135)		0	(335)
Sales and settlements			69		0	366
Transfer into Level 3			0		0	0
Transfer out of Level 3			0		0	0
Financial liabilities, Ending Balance		$ 0	(2,383)		0	(2,383)
Embedded derivatives [Member]
Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]
Financial liabilities, Beginning Balance		(1,258)	(1,026)		(1,160)	(804)
Impact of accounting change					0
Total realized/unrealized gains (losses) included in Net income		130	(21)		99	(153)
Total realized/unrealized gains (losses) included in other comprehensive income (loss)		0	0		0	0
Purchases and issuances		(88)	(51)		(183)	(162)
Sales and settlements		18	13		46	34
Transfer into Level 3		0	0		0	0
Transfer out of Level 3		0	0		0	0
Financial liabilities, Ending Balance		$ (1,198)	$ (1,085)		$ (1,198)	$ (1,085)

[1] The impact of implementing new guidance adopted in 2015, as discussed above and in Note A — “Accounting Policies — Managed Investment Entities.”

[2] Total realized/unrealized gains (losses) included in net income includes gains of $6 million related to liabilities outstanding as of September 30, 2014. See Note H — “Managed Investment Entities.”

[3] Total realized/unrealized gains (losses) included in net income includes gains of $12 million related to liabilities outstanding as of September 30, 2014. See Note H — “Managed Investment Entities.”

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Long-Term Debt (Tables)

9 Months Ended

Sep. 30, 2015

Debt Disclosure [Abstract]

Schedule of long-term debt instruments

The carrying value of long-term debt consisted of the following (in millions):

	September 30, 2015		December 31, 2014
Direct Senior Obligations of AFG:
9-7/8% Senior Notes due June 2019	$	350	$	350
6-3/8% Senior Notes due June 2042	230		230
5-3/4% Senior Notes due August 2042	125		125
7% Senior Notes due September 2050	—		132
Other	3		3
	708		840
Direct Subordinated Obligations of AFG:
6-1/4% Subordinated Debentures due September 2054	150		150
Subsidiaries:
Notes payable secured by real estate due 2015 through 2016	10		59
National Interstate bank credit facility	12		12
	22		71
	$	880	$	1,061

Summary of secured and unsecured long-term debt

As shown below (in millions), the majority of AFG’s long-term debt is unsecured obligations:

	September 30, 2015		December 31, 2014
Senior unsecured obligations	$	720	$	852
Subordinated unsecured obligations	150		150
Obligations secured by real estate	10		59
	$	880	$	1,061

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Managed Investment Entities (Tables)

9 Months Ended

Sep. 30, 2015

Variable Interest Entity, Primary Beneficiary, Does Not Hold Majority Voting Interest, Disclosures [Abstract]

Selected financial information related to collateralized loan obligations

Selected financial information related to the CLOs is shown below (in millions):

	Three months ended September 30,						Nine months ended September 30,
	2015			2014			2015			2014
Gains (losses) on change in fair value of assets/liabilities (a):
Assets	$	(53	)	$	(30	)	$	(27	)	$	(32	)
Liabilities	42			5			11			(3		)
Management fees paid to AFG	4			7			11			18
CLO earnings (losses) attributable to (b):
AFG shareholders	(3		)	7			5			18
Noncontrolling interests	—			(29		)	—			(47		)

(a) Included in Revenues in AFG’s Statement of Earnings.

(b) Included in Earnings before income taxes in AFG’s Statement of Earnings.

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Derivatives (Details 1) - Not Designated as Hedging Instrument [Member] - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Derivative, Gain (Loss) on Derivative, Net [Abstract]
Derivative	$ (40)	$ (1)	$ (48)	$ (40)
MBS with embedded derivatives [Member] | Realized gains on securities [Member]
Derivative, Gain (Loss) on Derivative, Net [Abstract]
Derivative	(4)	0	(7)	7
Public company warrants [Member] | Realized gains on securities [Member]
Derivative, Gain (Loss) on Derivative, Net [Abstract]
Derivative	0	0	0	(2)
Interest rate swaptions [Member] | Realized gains on securities [Member]
Derivative, Gain (Loss) on Derivative, Net [Abstract]
Derivative	0	0	0	(2)
Fixed-indexed annuities (embedded derivative) [Member] | Annuity benefits [Member]
Derivative, Gain (Loss) on Derivative, Net [Abstract]
Derivative	130	(21)	99	(153)
Equity index call options [Member] | Annuity benefits [Member]
Derivative, Gain (Loss) on Derivative, Net [Abstract]
Derivative	(167)	19	(144)	112
Reinsurance contracts (embedded derivative) [Member] | Net investment income [Member]
Derivative, Gain (Loss) on Derivative, Net [Abstract]
Derivative	$ 1	$ 1	$ 4	$ (2)

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Fair Value Measurements (Details 4) - USD ($) $ in Millions		Sep. 30, 2015	Dec. 31, 2014	Sep. 30, 2014	Dec. 31, 2013
Financial assets:
Cash and cash equivalents		$ 894	$ 1,343	$ 1,310	$ 1,639
Mortgage loans		994	1,117
Policy loans		221	228
Financial liabilities:
Long-term debt		880	1,061
Level 1 [Member]
Financial assets:
Cash and cash equivalents		894	1,343
Mortgage loans		0	0
Policy loans		0	0
Total financial assets not accounted for at fair value		894	1,343
Financial liabilities:
Annuity benefits accumulated	[1]	0	0
Long-term debt		0	0
Total financial liabilities not accounted for at fair value		0	0
Level 2 [Member]
Financial assets:
Cash and cash equivalents		0	0
Mortgage loans		0	0
Policy loans		0	0
Total financial assets not accounted for at fair value		0	0
Financial liabilities:
Annuity benefits accumulated	[1]	0	0
Long-term debt		962	1,106
Total financial liabilities not accounted for at fair value		962	1,106
Level 3 [Member]
Financial assets:
Cash and cash equivalents		0	0
Mortgage loans		1,005	1,124
Policy loans		221	228
Total financial assets not accounted for at fair value		1,226	1,352
Financial liabilities:
Annuity benefits accumulated	[1]	25,083	23,187
Long-term debt		25	74
Total financial liabilities not accounted for at fair value		25,108	23,261
Carrying Value [Member]
Financial assets:
Cash and cash equivalents		894	1,343
Mortgage loans		994	1,117
Policy loans		221	228
Total financial assets not accounted for at fair value		2,109	2,688
Financial liabilities:
Annuity benefits accumulated	[1]	25,825	23,561
Long-term debt		887	1,061
Total financial liabilities not accounted for at fair value		26,712	24,622
Fair Value [Member]
Financial assets:
Cash and cash equivalents		894	1,343
Mortgage loans		1,005	1,124
Policy loans		221	228
Total financial assets not accounted for at fair value		2,120	2,695
Financial liabilities:
Annuity benefits accumulated	[1]	25,083	23,187
Long-term debt		987	1,180
Total financial liabilities not accounted for at fair value		$ 26,070	$ 24,367

[1] Excludes $201 million and $203 million of life contingent annuities in the payout phase at September 30, 2015 and December 31, 2014, respectively.

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Shareholders' Equity (Tables)

9 Months Ended

Sep. 30, 2015

Stockholders' Equity Note [Abstract]

Components of accumulated other comprehensive income (loss)

The progression of the components of accumulated other comprehensive income follows (in millions):

				Other Comprehensive Income
	AOCI Beginning Balance			Pretax			Tax			Net of tax			Attributable to noncontrolling interests			Attributable to shareholders			AOCI Ending Balance
Quarter ended September 30, 2015
Net unrealized gains (losses) on securities:
Unrealized holding gains (losses) on securities arising during the period				$	(171	)	$	61		$	(110	)	$	3		$	(107	)
Reclassification adjustment for realized (gains) losses included in net earnings (a)				16			(6		)	10			(1		)	9
Total net unrealized gains (losses) on securities (b)	$	587		(155		)	55			(100		)	2			(98		)	$	489
Net unrealized gains on cash flow hedges	—			3			(1		)	2			—			2			2
Foreign currency translation adjustments	(16		)	(5		)	(2		)	(7		)	—			(7		)	(23		)
Pension and other postretirement plans adjustments	(8		)	1			—			1			—			1			(7		)
Total	$	563		$	(156	)	$	52		$	(104	)	$	2		$	(102	)	$	461
Quarter ended September 30, 2014
Net unrealized gains (losses) on securities:
Unrealized holding gains (losses) on securities arising during the period				$	(111	)	$	38		$	(73	)	$	2		$	(71	)
Reclassification adjustment for realized (gains) losses included in net earnings (a)				(14		)	6			(8		)	—			(8		)
Total net unrealized gains (losses) on securities	$	805		(125		)	44			(81		)	2			(79		)	$	726
Foreign currency translation adjustments	(2		)	(2		)	—			(2		)	—			(2		)	(4		)
Pension and other postretirement plans adjustments	(4		)	—			—			—			—			—			(4		)
Total	$	799		$	(127	)	$	44		$	(83	)	$	2		$	(81	)	$	718
Nine months ended September 30, 2015
Net unrealized gains (losses) on securities:
Unrealized holding gains (losses) on securities arising during the period				$	(394	)	$	139		$	(255	)	$	5		$	(250	)
Reclassification adjustment for realized (gains) losses included in net earnings (a)				(4		)	1			(3		)	(1		)	(4		)
Total net unrealized gains (losses) on securities (b)	$	743		(398		)	140			(258		)	4			(254		)	$	489
Net unrealized gains on cash flow hedges	—			3			(1		)	2			—			2			2
Foreign currency translation adjustments	(8		)	(11		)	(4		)	(15		)	—			(15		)	(23		)
Pension and other postretirement plans adjustments	(8		)	1			—			1			—			1			(7		)
Total	$	727		$	(405	)	$	135		$	(270	)	$	4		$	(266	)	$	461
Nine months ended September 30, 2014
Net unrealized gains on securities:
Unrealized holding gains (losses) on securities arising during the period				$	300		$	(106	)	$	194		$	(4	)	$	190
Reclassification adjustment for realized (gains) losses included in net earnings (a)				(44		)	16			(28		)	1			(27		)
Total net unrealized gains on securities	$	563		256			(90		)	166			(3		)	163			$	726
Foreign currency translation adjustments	1			(5		)	—			(5		)	—			(5		)	(4		)
Pension and other postretirement plans adjustments	(4		)	—			—			—			—			—			(4		)
Total	$	560		$	251		$	(90	)	$	161		$	(3	)	$	158		$	718

(a) The reclassification adjustment out of net unrealized gains on securities affected the following lines in AFG’s Consolidated Statement of Earnings:

OCI component	Affected line in the Consolidated Statement of Earnings
Pretax	Realized gains (losses) on securities
Tax	Provision for income taxes
Attributable to noncontrolling interests	Net earnings (loss) attributable to noncontrolling interests

(b) Includes net unrealized gains of $53 million at September 30, 2015, $57 million at June 30, 2015 and $58 million at December 31, 2014 related to securities for which only the credit portion of an other-than-temporary impairment has been recorded in earnings.

Assumptions used in estimating weighted average fair value of options on grant date

	Nine months ended September 30,
	2015			2014
Exercise price	$	63.15		$	56.47
Expected dividend yield	1.6		%	1.6		%
Expected volatility	25		%	26		%
Expected term (in years)	7.25			7.25
Risk-free rate	1.88		%	2.20		%
Grant date fair value	$	15.29		$	14.66

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Income Taxes (Tables)

9 Months Ended

Sep. 30, 2015

Income Tax Disclosure [Abstract]

Reconciliation of income taxes at the statutory rate and income taxes shown in the Statement of Earnings

The following is a reconciliation of income taxes at the statutory rate of 35% to the provision for income taxes as shown in the Statement of Earnings (dollars in millions):

	Three months ended September 30,										Nine months ended September 30,
	2015					2014					2015					2014
	Amount			% of EBT		Amount			% of EBT		Amount			% of EBT		Amount			% of EBT
Earnings before income taxes (“EBT”)	$	99				$	145				$	355				$	436
Income taxes at statutory rate	$	34		35	%	$	51		35	%	$	124		35	%	$	153		35	%
Effect of:
Tax exempt interest	(6		)	(6	%)	(6		)	(4	%)	(20		)	(6	%)	(18		)	(4	%)
Change in valuation allowance	8			8	%	(1		)	(1	%)	8			2	%	2			1	%
Losses of managed investment entities	—			—	%	10			7	%	—			—	%	16			4	%
Subsidiaries not in AFG’s tax return	—			—	%	1			1	%	2			1	%	—			—	%
Other	(3		)	(4	%)	(1		)	(1	%)	1			—	%	2			—	%
Provision for income taxes as shown in the Statement of Earnings	$	33		33	%	$	54		37	%	$	115		32	%	$	155		36	%

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Accounting Policies

9 Months Ended

Sep. 30, 2015

Accounting Policies [Abstract]

Accounting Policies

Accounting Policies

Basis of Presentation   The accompanying consolidated financial statements for American Financial Group, Inc. and its subsidiaries (“AFG”) are unaudited; however, management believes that all adjustments (consisting only of normal recurring accruals unless otherwise disclosed herein) necessary for fair presentation have been made. The results of operations for interim periods are not necessarily indicative of results to be expected for the year. The financial statements have been prepared in accordance with the instructions to Form 10-Q and, therefore, do not include all information and footnotes necessary to be in conformity with U.S. generally accepted accounting principles (“GAAP”).

Certain reclassifications have been made to prior periods to conform to the current year’s presentation. All significant intercompany balances and transactions have been eliminated. The results of operations of companies since their formation or acquisition are included in the consolidated financial statements. Events or transactions occurring subsequent to September 30, 2015, and prior to the filing of this Form 10-Q, have been evaluated for potential recognition or disclosure herein.

The preparation of the financial statements requires management to make estimates and assumptions that affect the amounts reported in the financial statements and accompanying notes. Changes in circumstances could cause actual results to differ materially from those estimates.

Fair Value Measurements   Accounting standards define fair value as the price that would be received to sell an asset or paid to transfer a liability (an exit price) in an orderly transaction between market participants on the measurement date. The standards establish a hierarchy of valuation techniques based on whether the assumptions that market participants would use in pricing the asset or liability (“inputs”) are observable or unobservable. Observable inputs reflect market data obtained from independent sources, while unobservable inputs reflect AFG’s assumptions about the assumptions market participants would use in pricing the asset or liability. Other than recording an estimated loss on the pending sale of its long-term care business (see Note B — “Acquisitions and Sale of Businesses”),AFG did not have any significant nonrecurring fair value measurements in the first nine months of 2015.

Investments   Fixed maturity and equity securities classified as “available for sale” are reported at fair value with unrealized gains and losses included in accumulated other comprehensive income (“AOCI”) in AFG’s Balance Sheet. Fixed maturity and equity securities classified as “trading” are reported at fair value with changes in unrealized holding gains or losses during the period included in net investment income. Mortgage and policy loans are carried primarily at the aggregate unpaid balance.

Premiums and discounts on fixed maturity securities are amortized using the interest method. Mortgage-backed securities (“MBS”) are amortized over a period based on estimated future principal payments, including prepayments. Prepayment assumptions are reviewed periodically and adjusted to reflect actual prepayments and changes in expectations.

Gains or losses on securities are determined on the specific identification basis. When a decline in the value of a specific investment is considered to be other-than-temporary at the balance sheet date, a provision for impairment is charged to earnings (included in realized gains (losses) on securities) and the cost basis of that investment is reduced. If management can assert that it does not intend to sell an impaired fixed maturity security and it is not more likely than not that it will have to sell the security before recovery of its amortized cost basis, then the other-than-temporary impairment is separated into two components: (i) the amount related to credit losses (recorded in earnings) and (ii) the amount related to all other factors (recorded in other comprehensive income). The credit-related portion of an other-than-temporary impairment is measured by comparing a security’s amortized cost to the present value of its current expected cash flows discounted at its effective yield prior to the impairment charge. Both components are shown in the Statement of Earnings. If management intends to sell an impaired security, or it is more likely than not that it will be required to sell the security before recovery, an impairment charge to earnings is recorded to reduce the amortized cost of that security to fair value.

Derivatives Derivatives included in AFG’s Balance Sheet are recorded at fair value. Changes in fair value of derivatives are included in earnings, unless the derivatives are designated and qualify as highly effective cash flow hedges. Derivatives that do not qualify for hedge accounting under GAAP consist primarily of (i) components of certain fixed maturity securities (primarily interest-only MBS) and (ii) the equity-based component of certain annuity products (included in annuity benefits accumulated) and related call options (included in other investments) designed to be consistent with the characteristics of the liabilities and used to mitigate the risk embedded in those annuity products.

To qualify for hedge accounting, at the inception of a derivative contract, AFG formally documents the relationship between the terms of the hedge and the hedged items and its risk management objective. This documentation includes defining how hedge effectiveness and ineffectiveness will be measured on a retrospective and prospective basis.

Changes in the fair value of derivatives that are designated and qualify as highly effective cash flow hedges are recorded in AOCI and are reclassified into earnings when the variability of the cash flows from the hedged items impacts earnings. Any hedge ineffectiveness is immediately recorded in current period earnings. When the change in the fair value of a qualifying cash flow hedge is included in earnings, it is included in the same line item in the Consolidated Statement of Earnings as the cash flows from the hedged item. AFG uses interest rate swaps that qualify as highly effective cash flow hedges to mitigate interest rate risk related to certain floating-rate securities included in AFG’s portfolio of fixed maturity securities.

For derivatives that are designated and qualify as highly effective fair value hedges, changes in the fair value of the derivative, along with changes in the fair value of the hedged item attributable to the hedged risk, are recognized in current period earnings. AFG has entered into an interest rate swap that qualifies as a highly effective fair value hedge to mitigate the interest rate risk associated with fixed-rate long-term debt by economically converting certain fixed-rate debt obligations to floating-rate obligations. Since the terms of the swap match the terms of the hedged debt, changes in the fair value of the swap are offset by changes in the fair value of the hedged debt attributable to changes in interest rates. Accordingly, the net impact on AFG’s current period earnings is that the interest expense associated with the hedged debt is effectively recorded at the floating rate.

Goodwill   Goodwill represents the excess of cost of subsidiaries over AFG’s equity in their underlying net assets. Goodwill is not amortized, but is subject to an impairment test at least annually. An entity is not required to complete the quantitative annual goodwill impairment test on a reporting unit if the entity elects to perform a qualitative analysis and determines that it is more likely than not that the reporting unit’s fair value exceeds its carrying amount.

Reinsurance Amounts recoverable from reinsurers are estimated in a manner consistent with the claim liability associated with the reinsured policies. AFG’s property and casualty insurance subsidiaries report as assets (i) the estimated reinsurance recoverable on paid and unpaid losses, including an estimate for losses incurred but not reported, and (ii) amounts paid or due to reinsurers applicable to the unexpired terms of policies in force. Payable to reinsurers includes ceded premiums due to reinsurers as well as ceded premiums retained by AFG’s property and casualty insurance subsidiaries under contracts to fund ceded losses as they become due. AFG’s insurance subsidiaries also assume reinsurance from other companies. Earnings on reinsurance assumed is recognized based on information received from ceding companies.

A subsidiary cedes life insurance policies to a third party on a funds withheld basis whereby the subsidiary retains the assets (securities) associated with the reinsurance contract. Interest is credited to the reinsurer based on the actual investment performance of the retained assets. This reinsurance contract is considered to contain an embedded derivative (that must be adjusted to fair value) because the yield on the payable is based on a specific block of the ceding company’s assets, rather than the overall creditworthiness of the ceding company. AFG determined that changes in the fair value of the underlying portfolio of fixed maturity securities is an appropriate measure of the value of the embedded derivative. The securities related to this contract are classified as “trading.” The adjustment to fair value on the embedded derivative offsets the investment income recorded on the adjustment to fair value of the related trading portfolio.

Deferred Policy Acquisition Costs (“DPAC”)   Policy acquisition costs (principally commissions, premium taxes and certain underwriting and policy issuance costs) directly related to the successful acquisition or renewal of an insurance contract are deferred. DPAC also includes capitalized costs associated with sales inducements offered to fixed annuity policyholders such as enhanced interest rates and premium and persistency bonuses.

For the property and casualty companies, DPAC is limited based upon recoverability without any consideration for anticipated investment income and is charged against income ratably over the terms of the related policies. A premium deficiency is recognized if the sum of expected claims costs, claims adjustment expenses and unamortized acquisition costs exceed the related unearned premiums. A premium deficiency is first recognized by charging any unamortized acquisition costs to expense to the extent required to eliminate the deficiency. If the premium deficiency is greater than unamortized acquisition costs, a liability is accrued for the excess deficiency and reported with unpaid losses and loss adjustment expenses.

DPAC related to annuities is deferred to the extent deemed recoverable and amortized, with interest, in relation to the present value of actual and expected gross profits on the policies. Expected gross profits consist principally of estimated future investment margin (estimated future net investment income less interest credited on policyholder funds) and surrender, mortality, and other life and annuity policy charges, less death, annuitization and guaranteed withdrawal benefits in excess of account balances and estimated future policy administration expenses. To the extent that realized gains and losses result in adjustments to the amortization of DPAC related to annuities, such adjustments are reflected as components of realized gains (losses) on securities.

DPAC related to traditional life and health insurance is amortized over the expected premium paying period of the related policies, in proportion to the ratio of annual premium revenues to total anticipated premium revenues. See “Life, Accident and Health Reserves” below for details on the impact of loss recognition on the accounting for traditional life and health insurance contracts.

DPAC includes the present value of future profits on business in force of annuity and life, accident and health insurance companies acquired (“PVFP”). PVFP represents the portion of the costs to acquire companies that is allocated to the value of the right to receive future cash flows from insurance contracts existing at the date of acquisition. PVFP is amortized with interest in relation to expected gross profits of the acquired policies for annuities and universal life products and in relation to the premium paying period for traditional life and health insurance products.

DPAC and certain other balance sheet amounts related to annuity, long-term care and life businesses are also adjusted, net of tax, for the change in expense that would have been recorded if the unrealized gains (losses) from securities had actually been realized. These adjustments are included in unrealized gains (losses) on marketable securities, a component of AOCI in AFG’s Balance Sheet.

Managed Investment EntitiesA company is considered the primary beneficiary of, and therefore must consolidate, a variable interest entity (“VIE”) based primarily on its ability to direct the activities of the VIE that most significantly impact that entity’s economic performance and the obligation to absorb losses of, or receive benefits from, the entity that could potentially be significant to the VIE.

AFG manages, and has investments in, collateralized loan obligations (“CLOs”) that are VIEs (see Note H — “Managed Investment Entities”). Both the management fees (payment of which is subordinate to other obligations of the CLOs) and the investments in the CLOs are considered variable interests. AFG has determined that it is the primary beneficiary of the CLOs because (i) its role as asset manager gives it the power to direct the activities that most significantly impact the economic performance of the CLOs and (ii) it has exposure to CLO losses (through its investments in the CLO debt tranches) and the right to receive benefits (through its subordinated management fees and returns on its investments), both of which could potentially be significant to the CLOs.

In February 2015, the Financial Accounting Standards Board issued Accounting Standards Update (“ASU”) 2015-02, which amends certain consolidation accounting guidance, including the VIE guidance that applies to collateralized financing entities such as CLOs. The new guidance, which AFG intends to adopt effective January 1, 2016, will affect how fee arrangements with CLO asset managers impact the determination of the primary beneficiary of these entities. Due to the significance of AFG’s investments in the CLOs that it manages, management does not expect the new guidance to impact the consolidation of its currently outstanding CLOs. The new guidance also impacts the consolidation analysis that applies to limited partnerships and similar entities. Management does not expect this guidance to impact the accounting for AFG’s existing investments in those entities.

Because AFG has no right to use the CLO assets and no obligation to pay the CLO liabilities, the assets and liabilities of the CLOs are shown separately in AFG’s Balance Sheet. AFG has elected the fair value option for reporting on the CLO assets and liabilities to improve the transparency of financial reporting related to the CLOs. The net gain or loss from accounting for the CLO assets and liabilities at fair value is presented separately in AFG’s Statement of Earnings.

Effective January 1, 2015, AFG adopted (on a modified retrospective basis) ASU 2014-13, which addresses the diversity in practice regarding the accounting for assets and liabilities of a consolidated collateralized financing entity (such as a CLO) when an election has been made to account for that entity’s assets and liabilities at fair value. The fair values of a CLO’s assets may differ from the separately measured fair values of its liabilities even though the CLO liabilities only have recourse to the CLO assets. Under the new guidance, AFG has elected to set the carrying value of the CLO liabilities equal to the fair value of the CLO assets (which have more observable fair values) as an alternative to reporting those liabilities at a separately measured fair value. CLO earnings attributable to AFG’s shareholders continue to be measured by the change in the fair value of AFG’s investments in the CLOs and management fees earned.

Prior to the adoption of this guidance, measuring both the CLO assets and CLO liabilities at separately determined fair values resulted in a difference between the carrying value of the CLO assets and the carrying value of the CLO liabilities that was not attributable to AFG’s ownership interest in the CLOs and CLO earnings (losses) that were not attributable to AFG’s shareholders. Accordingly, in periods prior to 2015, the difference between the fair value of the CLO assets and the fair value of the CLO liabilities was recorded as “appropriated retained earnings — managed investment entities” in AFG’s Balance Sheet and the earnings (losses) that were not attributable to AFG’s shareholders were included in net earnings (loss) attributable to noncontrolling interests in AFG’s Statement of Earnings.

Under the guidance adopted in 2015, there is no longer any excess carrying value of CLO assets over the carrying value of CLO liabilities to be reported as “appropriated retained earnings — managed investment entities” in AFG’s Balance Sheet or any CLO earnings to be attributed to noncontrolling interests in AFG’s Statement of Earnings. In accordance with the guidance, the amount reported as “appropriated retained earnings — managed investment entities” at December 31, 2014 was reclassified to “liabilities of managed investment entities” on January 1, 2015 as the cumulative effect of an accounting change. While the new guidance impacted the presentation of individual CLO-related line items in AFG’s Statement of Earnings, it had no overall impact on AFG’s Net Earnings Attributable to Shareholders.

At September 30, 2015, assets and liabilities of managed investment entities included $92 million in assets and $77 million in liabilities of a temporary warehousing entity that was established in connection with the formation of a new CLO that is expected to close in the first quarter of 2016. Upon closing, all warehoused assets are expected to be transferred to the new CLO and the liabilities will be repaid.

Unpaid Losses and Loss Adjustment Expenses   The net liabilities stated for unpaid claims and for expenses of investigation and adjustment of unpaid claims represent management’s best estimate and are based upon (i) the accumulation of case estimates for losses reported prior to the close of the accounting period on direct business written; (ii) estimates received from ceding reinsurers and insurance pools and associations; (iii) estimates of unreported losses (including possible development on known claims) based on past experience; (iv) estimates based on experience of expenses for investigating and adjusting claims; and (v) the current state of the law and coverage litigation. Establishing reserves for asbestos, environmental and other mass tort claims involves considerably more judgment than other types of claims due to, among other things, inconsistent court decisions, an increase in bankruptcy filings as a result of asbestos-related liabilities, novel theories of coverage, and judicial interpretations that often expand theories of recovery and broaden the scope of coverage.

Loss reserve liabilities are subject to the impact of changes in claim amounts and frequency and other factors. Changes in estimates of the liabilities for losses and loss adjustment expenses are reflected in the Statement of Earnings in the period in which determined. Despite the variability inherent in such estimates, management believes that the liabilities for unpaid losses and loss adjustment expenses are adequate.

Annuity Benefits Accumulated   Annuity receipts and benefit payments are recorded as increases or decreases in annuity benefits accumulated rather than as revenue and expense. Increases in this liability for interest credited are charged to expense and decreases for policy charges are credited to other income.

For certain products, annuity benefits accumulated also includes reserves for accrued persistency and premium bonuses, guaranteed withdrawals and excess benefits expected to be paid on future deaths and annuitizations (“EDAR”). The liabilities for EDAR and guaranteed withdrawals are accrued for and modified using assumptions consistent with those used in determining DPAC and DPAC amortization, except that amounts are determined in relation to the present value of total expected assessments. Total expected assessments consist principally of estimated future investment margin, surrender, mortality, and other life and annuity policy charges, and unearned revenues once they are recognized as income.

Annuity benefits accumulated also includes amounts advanced from the Federal Home Loan Bank of Cincinnati.

Unearned Revenue   Certain upfront policy charges on annuities are deferred as unearned revenue (included in other liabilities) and recognized in net earnings using the same assumptions and estimated gross profits used to amortize DPAC.

Life, Accident and Health Reserves Liabilities for future policy benefits under traditional life, accident and health policies are computed using the net level premium method. Computations are based on the original projections of investment yields, mortality, morbidity and surrenders and include provisions for unfavorable deviations unless a loss recognition event (premium deficiency) occurs. Claim reserves and liabilities established for accident and health claims are modified as necessary to reflect actual experience and developing trends.

For long-duration contracts (such as traditional life and long-term care policies), loss recognition occurs when, based on current expectations as of the measurement date, existing contract liabilities plus the present value of future premiums (including reasonably expected rate increases) are not expected to cover the present value of future claims payments and related settlement and maintenance costs (excluding overhead) as well as unamortized acquisition costs. If a block of business is determined to be in loss recognition, a charge is recorded in earnings in an amount equal to the excess of the present value of expected future claims costs and unamortized acquisition costs over existing reserves plus the present value of expected future premiums (with no provision for adverse deviation). The charge is recorded first to reduce unamortized acquisition costs and then as an additional reserve (if unamortized acquisition costs have been reduced to zero).

In addition, reserves for traditional life and long-term care policies are subject to adjustment for loss recognition charges that would have been recorded if the unrealized gains from securities had actually been realized. This adjustment is included in unrealized gains (losses) on marketable securities, a component of AOCI in AFG’s Balance Sheet.

Variable Annuity Assets and Liabilities   Separate accounts related to variable annuities represent the fair value of deposits invested in underlying investment funds on which AFG earns a fee. Investment funds are selected and may be changed only by the policyholder, who retains all investment risk.

AFG’s variable annuity contracts contain a guaranteed minimum death benefit (“GMDB”) to be paid if the policyholder dies before the annuity payout period commences. In periods of declining equity markets, the GMDB may exceed the value of the policyholder’s account. A GMDB liability is established for future excess death benefits using assumptions together with a range of reasonably possible scenarios for investment fund performance that are consistent with DPAC capitalization and amortization assumptions.

Premium Recognition   Property and casualty premiums are earned generally over the terms of the policies on a pro rata basis. Unearned premiums represent that portion of premiums written which is applicable to the unexpired terms of policies in force. On reinsurance assumed from other insurance companies or written through various underwriting organizations, unearned premiums are based on information received from such companies and organizations. For traditional life, accident and health products, premiums are recognized as revenue when legally collectible from policyholders. For interest-sensitive life and universal life products, premiums are recorded in a policyholder account, which is reflected as a liability. Revenue is recognized as amounts are assessed against the policyholder account for mortality coverage and contract expenses.

Noncontrolling Interests   For Balance Sheet purposes, noncontrolling interests represents the interests of shareholders other than AFG in consolidated entities. In the Statement of Earnings, net earnings and losses attributable to noncontrolling interests represents such shareholders’ interest in the earnings and losses of those entities.

Income Taxes   Deferred income taxes are calculated using the liability method. Under this method, deferred income tax assets and liabilities are determined based on differences between financial reporting and tax bases and are measured using enacted tax rates. A valuation allowance is established to reduce total deferred tax assets to an amount that will more likely than not be realized.

AFG recognizes the tax benefits of uncertain tax positions only when the position is more likely than not to be sustained under examination by the appropriate taxing authority. Interest and penalties on AFG’s reserve for uncertain tax positions are recognized as a component of tax expense.

Stock-Based Compensation   All share-based grants are recognized as compensation expense on a straight-line basis over their vesting periods based on their calculated fair value at the date of grant. AFG uses the Black-Scholes pricing model to measure the fair value of employee stock options. See Note K —“Shareholders’ Equity” for further information.

Benefit Plans   AFG provides retirement benefits to qualified employees of participating companies through the AFG 401(k) Retirement and Savings Plan, a defined contribution plan. AFG makes all contributions to the retirement fund portion of the plan and matches a percentage of employee contributions to the savings fund. Company contributions are expensed in the year for which they are declared. AFG and many of its subsidiaries provide health care and life insurance benefits to eligible retirees. AFG also provides postemployment benefits to former or inactive employees (primarily those on disability) who were not deemed retired under other company plans. The projected future cost of providing these benefits is expensed over the period employees earn such benefits.

Earnings Per Share   Although basic earnings per share only considers shares of common stock outstanding during the period, the calculation of diluted earnings per share includes the following adjustments to weighted average common shares related to stock-based compensation plans: third quarter of 2015 and 2014 — 1.8 million and 1.9 million; first nine months of 2015 and 2014 — 1.8 million and 2.0 million, respectively.

AFG’s weighted average diluted shares outstanding excludes the following anti-dilutive potential common shares related to stock compensation plans: third quarter of 2015 and 2014 — 0.9 million and 1.2 million; first nine months of 2015 and 2014 — 1.2 million and 1.0 million, respectively. Adjustments to net earnings attributable to shareholders in the calculation of diluted earnings per share were nominal in the 2015 and 2014 periods.

Statement of Cash Flows   For cash flow purposes, “investing activities” are defined as making and collecting loans and acquiring and disposing of debt or equity instruments and property and equipment. “Financing activities” include obtaining resources from owners and providing them with a return on their investments, borrowing money and repaying amounts borrowed. Annuity receipts, surrenders, benefits and withdrawals are also reflected as financing activities. All other activities are considered “operating.” Short-term investments having original maturities of three months or less when purchased are considered to be cash equivalents for purposes of the financial statements.

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Accounting Policies (Details) - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2014
Variable Interest Entity [Line Items]
Assets	$ 3,613		$ 3,613		$ 3,108
Liabilities	$ 3,287		$ 3,287		$ 2,819
Weighted average common shares adjustment related to stock-based compensation	1.8	1.9	1.8	2.0
Anti-dilutive potential common shares related to stock-based compensation plans	0.9	1.2	1.2	1.0
Maturities of short term investments			3 months
New collateralized loan obligation temporary warehousing entities [Member]
Variable Interest Entity [Line Items]
Assets	$ 92		$ 92
Liabilities	$ 77		$ 77

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Fair Value Measurements (Details) - USD ($) $ in Millions		Sep. 30, 2015	Dec. 31, 2014
Assets:
Available for sale (AFS) fixed maturities		$ 33,114	$ 30,734
Trading fixed maturities		269	266
Assets of managed investment entities (“MIE”)		3,613	3,108
Variable annuity assets (separate accounts)	[1]	595	662
Total assets accounted for at fair value		39,552	36,788
Liabilities:
Liabilities of managed investment entities		3,287	2,819
Total liabilities accounted for at fair value		4,487	3,992
Annuity benefits accumulated [Member]
Liabilities:
Derivatives included in annuity benefits accumulated, long-term debt, and other liabilities		1,198	1,160
Derivatives in long-term debt [Member]
Liabilities:
Derivatives included in annuity benefits accumulated, long-term debt, and other liabilities		(7)
Other liabilities — derivatives [Member]
Liabilities:
Derivatives included in annuity benefits accumulated, long-term debt, and other liabilities		9	13
U.S. Government and government agencies [Member]
Assets:
Available for sale (AFS) fixed maturities		335	353
States, municipalities and political subdivisions [Member]
Assets:
Available for sale (AFS) fixed maturities		7,166	6,747
Foreign government [Member]
Assets:
Available for sale (AFS) fixed maturities		166	194
Residential Mortgage Backed Securities [Member]
Assets:
Available for sale (AFS) fixed maturities		3,879	4,442
Commercial Mortgage Backed Securities [Member]
Assets:
Available for sale (AFS) fixed maturities		2,297	2,451
Asset-backed Securities [Member]
Assets:
Available for sale (AFS) fixed maturities		4,701	3,887
All other corporate [Member]
Assets:
Available for sale (AFS) fixed maturities		14,570	12,660
Fixed maturities [Member]
Assets:
Available for sale (AFS) fixed maturities		33,114	30,734
Trading fixed maturities		269	266
Equity securities [Member]
Assets:
Equity securities		1,831	1,696
Other investments [Member]
Assets:
Derivatives included in other investments and other assets		122	322
Other assets [Member]
Assets:
Derivatives included in other investments and other assets		8
Level 1 [Member]
Assets:
Assets of managed investment entities (“MIE”)		155	174
Variable annuity assets (separate accounts)	[1]	0	0
Total assets accounted for at fair value		1,804	1,692
Liabilities:
Liabilities of managed investment entities		141	118
Total liabilities accounted for at fair value		141	118
Level 1 [Member] | Annuity benefits accumulated [Member]
Liabilities:
Derivatives included in annuity benefits accumulated, long-term debt, and other liabilities		0	0
Level 1 [Member] | Derivatives in long-term debt [Member]
Liabilities:
Derivatives included in annuity benefits accumulated, long-term debt, and other liabilities		0
Level 1 [Member] | Other liabilities — derivatives [Member]
Liabilities:
Derivatives included in annuity benefits accumulated, long-term debt, and other liabilities		0	0
Level 1 [Member] | U.S. Government and government agencies [Member]
Assets:
Available for sale (AFS) fixed maturities		115	164
Level 1 [Member] | States, municipalities and political subdivisions [Member]
Assets:
Available for sale (AFS) fixed maturities		0	0
Level 1 [Member] | Foreign government [Member]
Assets:
Available for sale (AFS) fixed maturities		0	0
Level 1 [Member] | Residential Mortgage Backed Securities [Member]
Assets:
Available for sale (AFS) fixed maturities		0	0
Level 1 [Member] | Commercial Mortgage Backed Securities [Member]
Assets:
Available for sale (AFS) fixed maturities		0	0
Level 1 [Member] | Asset-backed Securities [Member]
Assets:
Available for sale (AFS) fixed maturities		0	0
Level 1 [Member] | All other corporate [Member]
Assets:
Available for sale (AFS) fixed maturities		48	36
Level 1 [Member] | Fixed maturities [Member]
Assets:
Available for sale (AFS) fixed maturities		163	200
Trading fixed maturities		13	12
Level 1 [Member] | Equity securities [Member]
Assets:
Equity securities		1,473	1,306
Level 1 [Member] | Other investments [Member]
Assets:
Derivatives included in other investments and other assets		0	0
Level 1 [Member] | Other assets [Member]
Assets:
Derivatives included in other investments and other assets		0
Level 2 [Member]
Assets:
Assets of managed investment entities (“MIE”)		3,432	2,903
Variable annuity assets (separate accounts)	[1]	595	662
Total assets accounted for at fair value		36,057	33,741
Liabilities:
Liabilities of managed investment entities		3,123	0
Total liabilities accounted for at fair value		3,125	13
Level 2 [Member] | Annuity benefits accumulated [Member]
Liabilities:
Derivatives included in annuity benefits accumulated, long-term debt, and other liabilities		0	0
Level 2 [Member] | Derivatives in long-term debt [Member]
Liabilities:
Derivatives included in annuity benefits accumulated, long-term debt, and other liabilities		(7)
Level 2 [Member] | Other liabilities — derivatives [Member]
Liabilities:
Derivatives included in annuity benefits accumulated, long-term debt, and other liabilities		9	13
Level 2 [Member] | U.S. Government and government agencies [Member]
Assets:
Available for sale (AFS) fixed maturities		205	174
Level 2 [Member] | States, municipalities and political subdivisions [Member]
Assets:
Available for sale (AFS) fixed maturities		7,073	6,647
Level 2 [Member] | Foreign government [Member]
Assets:
Available for sale (AFS) fixed maturities		166	194
Level 2 [Member] | Residential Mortgage Backed Securities [Member]
Assets:
Available for sale (AFS) fixed maturities		3,585	4,142
Level 2 [Member] | Commercial Mortgage Backed Securities [Member]
Assets:
Available for sale (AFS) fixed maturities		2,252	2,407
Level 2 [Member] | Asset-backed Securities [Member]
Assets:
Available for sale (AFS) fixed maturities		4,252	3,661
Level 2 [Member] | All other corporate [Member]
Assets:
Available for sale (AFS) fixed maturities		13,876	12,078
Level 2 [Member] | Fixed maturities [Member]
Assets:
Available for sale (AFS) fixed maturities		31,409	29,303
Trading fixed maturities		256	254
Level 2 [Member] | Equity securities [Member]
Assets:
Equity securities		235	297
Level 2 [Member] | Other investments [Member]
Assets:
Derivatives included in other investments and other assets		122	322
Level 2 [Member] | Other assets [Member]
Assets:
Derivatives included in other investments and other assets		8
Level 3 [Member]
Assets:
Assets of managed investment entities (“MIE”)		26	31
Variable annuity assets (separate accounts)	[1]	0	0
Total assets accounted for at fair value		1,691	1,355
Liabilities:
Liabilities of managed investment entities		23	2,701
Total liabilities accounted for at fair value		1,221	3,861
Level 3 [Member] | Annuity benefits accumulated [Member]
Liabilities:
Derivatives included in annuity benefits accumulated, long-term debt, and other liabilities		1,198	1,160
Level 3 [Member] | Derivatives in long-term debt [Member]
Liabilities:
Derivatives included in annuity benefits accumulated, long-term debt, and other liabilities		0
Level 3 [Member] | Other liabilities — derivatives [Member]
Liabilities:
Derivatives included in annuity benefits accumulated, long-term debt, and other liabilities		0	0
Level 3 [Member] | U.S. Government and government agencies [Member]
Assets:
Available for sale (AFS) fixed maturities		15	15
Level 3 [Member] | States, municipalities and political subdivisions [Member]
Assets:
Available for sale (AFS) fixed maturities		93	100
Level 3 [Member] | Foreign government [Member]
Assets:
Available for sale (AFS) fixed maturities		0	0
Level 3 [Member] | Residential Mortgage Backed Securities [Member]
Assets:
Available for sale (AFS) fixed maturities		294	300
Level 3 [Member] | Commercial Mortgage Backed Securities [Member]
Assets:
Available for sale (AFS) fixed maturities		45	44
Level 3 [Member] | Asset-backed Securities [Member]
Assets:
Available for sale (AFS) fixed maturities		449	226
Level 3 [Member] | All other corporate [Member]
Assets:
Available for sale (AFS) fixed maturities		646	546
Level 3 [Member] | Fixed maturities [Member]
Assets:
Available for sale (AFS) fixed maturities		1,542	1,231
Trading fixed maturities		0	0
Level 3 [Member] | Equity securities [Member]
Assets:
Equity securities		123	93
Level 3 [Member] | Other investments [Member]
Assets:
Derivatives included in other investments and other assets		0	$ 0
Level 3 [Member] | Other assets [Member]
Assets:
Derivatives included in other investments and other assets		$ 0

[1] Variable annuity liabilities equal the fair value of variable annuity assets.

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Investments (Details 7) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Fixed maturities [Member]
Gross realized gains and losses on the sale of available for sale fixed maturity and equity security investments
Gross gains	$ 24	$ 28
Gross losses	0	(2)
Equity securities [Member]
Gross realized gains and losses on the sale of available for sale fixed maturity and equity security investments
Gross gains	59	27
Gross losses	$ 0	$ 0

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Contingencies (Details) $ in Millions	3 Months Ended
	Mar. 31, 2015 USD ($)
Run-off long-term care insurance business [Member]
Loss Contingencies [Line Items]
Pretax loss on subsidiaries recorded in the first quarter of 2015	$ (162)

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Consolidated Balance Sheet (Unaudited) - USD ($) $ in Millions	Sep. 30, 2015	Dec. 31, 2014
Assets:
Cash and cash equivalents	$ 894	$ 1,343
Investments:
Fixed maturities, available for sale at fair value (amortized cost — $31,868 and $29,074)	33,114	30,734
Fixed maturities, trading at fair value	269	266
Equity securities, available for sale at fair value (cost — $1,590 and $1,283)	1,658	1,501
Equity securities, trading at fair value	173	195
Mortgage loans	994	1,117
Policy loans	221	228
Real estate and other investments	809	826
Total cash and investments	38,132	36,210
Recoverables from reinsurers	3,151	3,238
Prepaid reinsurance premiums	604	469
Agents’ balances and premiums receivable	976	889
Deferred policy acquisition costs	993	821
Assets of managed investment entities	3,613	3,108
Other receivables	1,241	910
Variable annuity assets (separate accounts)	595	662
Other assets	1,051	1,027
Goodwill	201	201
Total assets	50,557	47,535
Liabilities and Equity:
Unpaid losses and loss adjustment expenses	8,061	7,872
Unearned premiums	2,238	1,956
Annuity benefits accumulated	26,026	23,764
Life, accident and health reserves	2,159	2,175
Payable to reinsurers	724	645
Liabilities of managed investment entities	3,287	2,819
Long-term debt	880	1,061
Variable annuity liabilities (separate accounts)	595	662
Other liabilities	1,681	1,527
Total liabilities	45,651	42,481
Shareholders’ equity:
Common Stock, no par value — 200,000,000 shares authorized — 87,327,172 and 87,708,793 shares outstanding	87	88
Capital surplus	1,195	1,152
Retained earnings:
Appropriated — managed investment entities	0	(2)
Unappropriated	2,981	2,914
Accumulated other comprehensive income, net of tax	461	727
Total shareholders’ equity	4,724	4,879
Noncontrolling interests	182	175
Total equity	4,906	5,054
Total liabilities and equity	$ 50,557	$ 47,535

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Fair Value Measurements (Details Textual) $ in Millions		3 Months Ended			9 Months Ended
		Sep. 30, 2015 USD ($) stock	Mar. 31, 2015 USD ($)	Sep. 30, 2014 USD ($) stock	Sep. 30, 2015 USD ($) stock professional	Sep. 30, 2014 USD ($) stock	Dec. 31, 2014 USD ($)
Fair Value Measurements (Textual) [Abstract]
AFG's internal investment professionals | professional					20
Number of stocks transferred from Level 1 to Level 2 | stock				0
Level 3 assets as a percentage of total assets measured at fair value					4.00%
Percentage of level 3 assets that were priced using non-binding broker quotes					71.00%
Level 3 assets that were priced using non-binding broker quotes					$ 1,200
Percentage of internally developed Level 3 asset fair values to total assets					1.00%
Percentage of internally developed Level 3 asset fair values to Shareholders' equity					8.00%
Total realized/unrealized gains (losses) included in net income on liabilities still outstanding				$ 6		$ 12
Life contingent annuities		$ 201			$ 201		$ 203
Fixed-indexed annuties (embedded derivative), majority of future years [Member] | Minimum [Member]
Fair Value Measurements (Textual) [Abstract]
Unobservable input surrenders used in Level 3 fair value determination					5.00%
Fixed-indexed annuties (embedded derivative), majority of future years [Member] | Maximum [Member]
Fair Value Measurements (Textual) [Abstract]
Unobservable input surrenders used in Level 3 fair value determination					11.00%
Fixed-indexed annuities (embedded derivative) [Member]
Fair Value Measurements (Textual) [Abstract]
Fair value of derivatives in annuity benefits accumulated measured using a discounted cash flow approach		$ 1,200			$ 1,200
Fixed-indexed annuities (embedded derivative) [Member] | Minimum [Member]
Fair Value Measurements (Textual) [Abstract]
Unobservable input surrenders used in Level 3 fair value determination					4.00%
Fixed-indexed annuities (embedded derivative) [Member] | Maximum [Member]
Fair Value Measurements (Textual) [Abstract]
Unobservable input surrenders used in Level 3 fair value determination					16.00%
Common stocks [Member]
Fair Value Measurements (Textual) [Abstract]
Number of stocks transferred from Level 2 to Level 1 | stock		1			7
Fair value of assets transferred from Level 2 to Level 1, during the third quarter (are less than in 2015)		$ 1
Fair value of assets transferred from Level 2 to Level 1, during the first nine months		80			$ 80
Perpetual preferred stocks [Member]
Fair Value Measurements (Textual) [Abstract]
Number of stocks transferred from Level 2 to Level 1 | stock				14	4	14
Fair value of assets transferred from Level 2 to Level 1, during the third quarter (are less than in 2015)				$ 96
Fair value of assets transferred from Level 2 to Level 1, during the first nine months		$ 19		96	$ 19	$ 96
Number of stocks transferred from Level 1 to Level 2 | stock		7			7	9
Fair value of assets transferred from Level 1 to Level 2, during the third quarter		$ 31
Fair value of assets transferred from Level 1 to Level 2, during the first nine months		31		$ 55	$ 31	$ 55
Mandatory redeemable preferred stocks [Member]
Fair Value Measurements (Textual) [Abstract]
Number of stocks transferred from Level 2 to Level 1 | stock					1
Fair value of assets transferred from Level 2 to Level 1, during the first nine months		$ 10			$ 10
Run-off long-term care insurance business [Member]
Fair Value Measurements (Textual) [Abstract]
Estimated sale proceeds of the run-off long-term care insurance business	[1]		$ 14

[1] Includes fair value of the potential additional consideration and is shown net of estimated expenses.

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Consolidated Statement of Changes in Equity (Unaudited) - USD ($) $ in Millions	Total	Total	Common Shares	Common Stock and Capital Surplus	Retained Earnings Approp.	Retained Earnings Unapprop.	Accumulated Other Comprehensive Inc. (Loss)	Noncontrolling Interests
Beginning Balance, shares at Dec. 31, 2013			89,513,386
Beginning Balance at Dec. 31, 2013	$ 4,769	$ 4,599		$ 1,213	$ 49	$ 2,777	$ 560	$ 170
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	281	325				325		(44)
Other comprehensive income (loss)	161	158					158	3
Allocation of losses of managed investment entities	0	(47)			(47)			47
Dividends on Common Stock	(59)	(59)				(59)
Shares issued:
Exercise of stock options, shares			972,847
Exercise of stock options	34	34		34
Other benefit plans, shares			227,782
Other benefit plans	7	7		7
Dividend reinvestment plan, shares			9,749
Dividend reinvestment plan	1	1		1
Stock-based compensation expense	14	14		14
Shares acquired and retired, shares			(2,209,007)
Shares acquired and retired	(127)	(127)		(31)		(96)
Shares exchanged - benefit plans, shares			(23,790)
Shares exchanged - benefit plans	(1)	(1)				(1)
Other	(2)							(2)
Ending Balance, shares at Sep. 30, 2014			88,490,967
Ending Balance at Sep. 30, 2014	5,078	4,904		1,238	2	2,946	718	174
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cumulative effect of accounting change for variable interest entities	$ 2	2			2
Beginning Balance, shares at Dec. 31, 2014	87,708,793		87,708,793
Beginning Balance at Dec. 31, 2014	$ 5,054	4,879		1,240	(2)	2,914	727	175
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	240	223				223		17
Other comprehensive income (loss)	(270)	(266)					(266)	(4)
Dividends on Common Stock	(66)	(66)				(66)
Shares issued:
Exercise of stock options, shares			1,157,288
Exercise of stock options	46	46		46
Other benefit plans, shares			268,947
Other benefit plans	6	6		6
Dividend reinvestment plan, shares			10,359
Dividend reinvestment plan	1	1		1
Stock-based compensation expense	14	14		14
Shares acquired and retired, shares			(1,767,240)
Shares acquired and retired	(113)	(113)		(25)		(88)
Shares exchanged - benefit plans, shares			(33,795)
Shares exchanged - benefit plans	(2)	(2)				(2)
Forfeitures of restricted stock, shares			(17,180)
Forfeitures of restricted stock	0	0		0
Other	$ (6)							(6)
Ending Balance, shares at Sep. 30, 2015	87,327,172		87,327,172
Ending Balance at Sep. 30, 2015	$ 4,906	$ 4,724		$ 1,282	$ 0	$ 2,981	$ 461	$ 182

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Deferred Policy Acquisition Costs (Details Textual) - USD ($) $ in Millions	Sep. 30, 2015	Dec. 31, 2014
Deferred Policy Acquisition Costs Disclosures [Abstract]
Accumulated amortization of present value of future profits	$ 218	$ 209

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Acquisitions and Sale of Businesses (Details 2) - Run-off long-term care insurance business [Member] - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Life, accident and health net earned premiums:
Long-term care	$ 19	$ 18	$ 56	$ 56
Life operations	3	3	8	8
Net investment income	19	18	56	57
Realized gains (losses) on securities and other income	(4)	(1)	(6)	1
Total revenues	37	38	114	122
Annuity benefits	2	2	6	6
Life, accident and health benefits:
Long-term care	21	27	67	84
Life operations	3	3	8	9
Annuity and supplemental insurance acquisition expenses	3	3	9	10
Other expenses	4	3	13	10
Total costs and expenses	33	38	103	119
Earnings before income taxes	$ 4	$ 0	$ 11	$ 3

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Long-Term Debt (Details Textual) - USD ($)		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2015	Dec. 31, 2014
Long-term Debt, Fiscal Year Maturity [Abstract]
Scheduled principal payments on debt in 2015 (are less than)	$ 1,000,000	$ 1,000,000
Scheduled principal payments on debt in 2016	10,000,000	10,000,000
Scheduled principal payments on debt in 2017	12,000,000	12,000,000
Scheduled principal payments on debt in 2018	0	0
Scheduled principal payments on debt in 2019	350,000,000	350,000,000
Scheduled principal payments on debt in 2020	0	0
Scheduled principal payments on debt after 2020	508,000,000	508,000,000
AFG [Member]
Long-term Debt, Fiscal Year Maturity [Abstract]
Revolving credit line	500,000,000	500,000,000
Amount borrowed under AFG revolving credit facility	0	$ 0	$ 0
Interest rate description of fair value hedge activity		three-month LIBOR plus 8.099%
Interest rate description for revolving credit facility		1.00% to 1.875% (currently 1.375%) over LIBOR
National Interstate [Member]
Long-term Debt, Fiscal Year Maturity [Abstract]
Revolving credit line	100,000,000	$ 100,000,000
Loans payable under National Interstate bank credit facility	$ 12,000,000	$ 12,000,000
Interest rate description for revolving credit facility		six-month LIBOR plus 0.875% (currently 1.28%)
LIBOR [Member] | AFG [Member]
Long-term Debt, Fiscal Year Maturity [Abstract]
Interest rate on revolving debt facility	1.375%
LIBOR [Member] | AFG [Member] | Minimum [Member]
Long-term Debt, Fiscal Year Maturity [Abstract]
Interest rate on revolving debt facility	1.00%
LIBOR [Member] | AFG [Member] | Maximum [Member]
Long-term Debt, Fiscal Year Maturity [Abstract]
Interest rate on revolving debt facility	1.875%
LIBOR [Member] | National Interstate [Member]
Debt Instrument [Line Items]
Effective interest rate, percentage	1.28%	1.28%
LIBOR [Member] | National Interstate [Member] | Maximum [Member]
Long-term Debt, Fiscal Year Maturity [Abstract]
Interest rate on revolving debt facility	0.875%
Interest rate swaps [Member] | Fair Value Hedge [Member] | Designated as Hedging Instrument [Member] | AFG [Member]
Debt Instrument [Line Items]
Effective interest rate, percentage	8.4362%	8.4362%
Interest rate swaps [Member] | Fair Value Hedge [Member] | Designated as Hedging Instrument [Member] | LIBOR [Member] | AFG [Member]
Debt Instrument [Line Items]
Basis spread on variable interest rate	8.099%	8.099%
Long-term debt [Member] | Interest rate swaps [Member] | Fair Value Hedge [Member] | Designated as Hedging Instrument [Member] | AFG [Member]
Debt Instrument [Line Items]
Net derivatives, at fair value	$ 7,000,000	$ 7,000,000
Senior Notes [Member] | 9-7/8% Senior Notes due June 2019 [Member]
Long-term Debt, Fiscal Year Maturity [Abstract]
Stated interest rate, percentage	9.875%	9.875%
Senior Notes [Member] | 9-7/8% Senior Notes due June 2019 [Member] | AFG [Member]
Long-term Debt, Fiscal Year Maturity [Abstract]
Senior Notes	$ 350,000,000	$ 350,000,000	350,000,000
Stated interest rate, percentage	9.875%	9.875%
Senior Notes [Member] | 6-3/8% Senior Notes due June 2042 [Member] | AFG [Member]
Long-term Debt, Fiscal Year Maturity [Abstract]
Senior Notes	$ 230,000,000	$ 230,000,000	230,000,000
Stated interest rate, percentage	6.375%	6.375%
Senior Notes [Member] | 5-3/4% Senior Notes due August 2042 [Member] | AFG [Member]
Long-term Debt, Fiscal Year Maturity [Abstract]
Senior Notes	$ 125,000,000	$ 125,000,000	125,000,000
Stated interest rate, percentage	5.75%	5.75%
Senior Notes [Member] | 7% Senior Notes due September 2050 [Member]
Long-term Debt, Fiscal Year Maturity [Abstract]
Senior Notes	$ 132,000,000	$ 132,000,000
Senior Notes [Member] | 7% Senior Notes due September 2050 [Member] | AFG [Member]
Long-term Debt, Fiscal Year Maturity [Abstract]
Senior Notes	$ 0	$ 0	$ 132,000,000
Stated interest rate, percentage	7.00%	7.00%
Subordinated Debt [Member] | 6-1/4% Subordinated Debentures due September 2054 [Member] | AFG [Member]
Long-term Debt, Fiscal Year Maturity [Abstract]
Stated interest rate, percentage	6.25%	6.25%

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Acquisitions and Sale of Businesses (Tables)

9 Months Ended

Sep. 30, 2015

Business Combinations [Abstract]

Schedule of estimated fair values of assets acquired and liabilities assumed

The allocation of the purchase price is shown in the table below (in millions):

Total purchase price			$	259
Tangible assets acquired:
Cash and cash equivalents	$	1,078
Fixed maturities, available for sale	92
Recoverables from reinsurers	116
Agents’ balances and premiums receivable	41
Deferred tax assets, net (a)	67
Other receivables	21
Other assets	11
Total tangible assets acquired			1,426
Liabilities acquired:
Unpaid losses and loss adjustment expenses	1,142
Unearned premiums	3
Payable to reinsurers	3
Other liabilities	66
Total liabilities acquired			1,214
Net tangible assets acquired, at fair value			212
Excess purchase price over net tangible assets acquired			$	47
Allocation of excess purchase price:
Intangible assets acquired (b)			$	47
Deferred tax on intangible assets acquired (a)			(16		)
Goodwill			16
			$	47

(a) AFG’s net deferred tax assets are included in Other assets in AFG’s Consolidated Balance Sheet at September 30, 2015.

(b) Included in Other assets in AFG’s Consolidated Balance Sheet.

Summarized financial information

The estimated impact of the pending sale of the run-off long-term care insurance business, which was recorded in AFG’s financial statements as of March 31, 2015, is shown below (in millions):

Estimated sale proceeds (*)	$	14
Assets of businesses sold:
Cash and investments	$	1,397
Recoverables from reinsurers	603
Deferred policy acquisition costs	15
Other receivables	14
Other assets	7
Goodwill	2
Total assets	2,038
Liabilities of businesses sold:
Annuity benefits accumulated	270
Life, accident and health reserves	1,537
Other liabilities	27
Total liabilities	1,834
Reclassify net unrealized gain on marketable securities	28
Net assets of businesses sold	$	176
Pretax loss on subsidiaries recorded in the first quarter of 2015	$	(162	)

(*) Includes fair value of the potential additional consideration and is shown net of estimated expenses.

Revenues, costs and expenses, and earnings before income taxes for the subsidiaries to be sold were (in millions):

	Three months ended September 30,						Nine months ended September 30,
	2015			2014			2015			2014
Life, accident and health net earned premiums:
Long-term care	$	19		$	18		$	56		$	56
Life operations	3			3			8			8
Net investment income	19			18			56			57
Realized gains (losses) on securities and other income	(4		)	(1		)	(6		)	1
Total revenues	37			38			114			122
Annuity benefits	2			2			6			6
Life, accident and health benefits:
Long-term care	21			27			67			84
Life operations	3			3			8			9
Annuity and supplemental insurance acquisition expenses	3			3			9			10
Other expenses	4			3			13			10
Total costs and expenses	33			38			103			119
Earnings before income taxes	$	4		$	—		$	11		$	3

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Acquisitions and Sale of Businesses (Details Textual) - USD ($) $ in Millions			3 Months Ended			9 Months Ended			12 Months Ended
	Apr. 01, 2014	Mar. 27, 2014	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Sep. 30, 2015	Dec. 31, 2014	Sep. 30, 2014	Dec. 31, 2014
Acquisitions and Sale of Businesses [Line Items]
Payments to acquire business						$ 0		$ 267
Run-off long-term care insurance business [Member]
Acquisitions and Sale of Businesses [Line Items]
Sale proceeds				$ 7
Additional sale proceeds based on the release of certain statutory liabilities of the legal entities sold						$ 13
Carrying value of the assets and liabilities of business sold as a percentage of total assets and liabilities					4.00%	4.00%
Summit Holding Southeast, Inc [Member]
Acquisitions and Sale of Businesses [Line Items]
Payments to acquire business	$ 259
Capital contributions to acquired business	140
Total capital investment in acquired business	399
Net written premiums of acquired business							$ 410		$ 539
Net earned premiums of acquired business			$ 128			$ 386
Selective Insurance Company of America Self-Insured Pooled Group [Member]
Acquisitions and Sale of Businesses [Line Items]
Payments to acquire business		$ 8
Net written premiums of acquired business									23
In-force gross written premiums of acquired book of business		$ 38
Gross written premiums of acquired business									$ 33
Minimum [Member] | Run-off long-term care insurance business [Member]
Acquisitions and Sale of Businesses [Line Items]
Expected after-tax cash proceeds from the sale of business						105
Maximum [Member] | Run-off long-term care insurance business [Member]
Acquisitions and Sale of Businesses [Line Items]
Expected after-tax cash proceeds from the sale of business						$ 115
Maximum [Member] | Summit Holding Southeast, Inc [Member]
Acquisitions and Sale of Businesses [Line Items]
Expenses related to the acquisition of business (are less than)	$ 1

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Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2015

Fair Value Disclosures [Abstract]

Assets and liabilities measured at fair value

Assets and liabilities measured and carried at fair value in the financial statements are summarized below (in millions):

	Level 1		Level 2			Level 3		Total
September 30, 2015
Assets:
Available for sale (“AFS”) fixed maturities:
U.S. Government and government agencies	$	115	$	205		$	15	$	335
States, municipalities and political subdivisions	—		7,073			93		7,166
Foreign government	—		166			—		166
Residential MBS	—		3,585			294		3,879
Commercial MBS	—		2,252			45		2,297
Asset-backed securities (“ABS”)	—		4,252			449		4,701
Corporate and other	48		13,876			646		14,570
Total AFS fixed maturities	163		31,409			1,542		33,114
Trading fixed maturities	13		256			—		269
Equity securities	1,473		235			123		1,831
Assets of managed investment entities (“MIE”)	155		3,432			26		3,613
Variable annuity assets (separate accounts) (*)	—		595			—		595
Other investments — derivatives	—		122			—		122
Other assets — derivatives	—		8			—		8
Total assets accounted for at fair value	$	1,804	$	36,057		$	1,691	$	39,552
Liabilities:
Liabilities of managed investment entities	$	141	$	3,123		$	23	$	3,287
Derivatives in annuity benefits accumulated	—		—			1,198		1,198
Derivatives in long-term debt	—		(7		)	—		(7		)
Other liabilities — derivatives	—		9			—		9
Total liabilities accounted for at fair value	$	141	$	3,125		$	1,221	$	4,487
December 31, 2014
Assets:
Available for sale fixed maturities:
U.S. Government and government agencies	$	164	$	174		$	15	$	353
States, municipalities and political subdivisions	—		6,647			100		6,747
Foreign government	—		194			—		194
Residential MBS	—		4,142			300		4,442
Commercial MBS	—		2,407			44		2,451
Asset-backed securities	—		3,661			226		3,887
Corporate and other	36		12,078			546		12,660
Total AFS fixed maturities	200		29,303			1,231		30,734
Trading fixed maturities	12		254			—		266
Equity securities	1,306		297			93		1,696
Assets of managed investment entities	174		2,903			31		3,108
Variable annuity assets (separate accounts) (*)	—		662			—		662
Other investments — derivatives	—		322			—		322
Total assets accounted for at fair value	$	1,692	$	33,741		$	1,355	$	36,788
Liabilities:
Liabilities of managed investment entities	$	118	$	—		$	2,701	$	2,819
Derivatives in annuity benefits accumulated	—		—			1,160		1,160
Other liabilities — derivatives	—		13			—		13
Total liabilities accounted for at fair value	$	118	$	13		$	3,861	$	3,992

(*) Variable annuity liabilities equal the fair value of variable annuity assets.

Unobservable inputs used by management in determining fair value of embedded derivatives

The following table presents information about the unobservable inputs used by management in determining fair value of these embedded derivatives. See Note F — “Derivatives.”

Unobservable Input	Range
Adjustment for insurance subsidiary’s credit risk	0.30% – 2.60% over the risk free rate
Risk margin for uncertainty in cash flows	0.52% reduction in the discount rate
Surrenders	4% – 16% of indexed account value
Partial surrenders	2% – 10% of indexed account value
Annuitizations	1% – 1.5% of indexed account value
Deaths	1.5% – 3.0% of indexed account value
Budgeted option costs	2.25% – 3.50% of indexed account value

Changes in balances of Level 3 financial assets and liabilities

Changes in balances of Level 3 financial assets and liabilities carried at fair value during the third quarter and first nine months of 2015 and 2014 are presented below (in millions). The transfers into and out of Level 3 were due to changes in the availability of market observable inputs. All transfers are reflected in the table at fair value as of the end of the reporting period.

				Total realized/unrealized gains (losses) included in
	Balance at June 30, 2015			Net income			Other comprehensive income (loss)			Purchases and issuances			Sales and settlements			Transfer into Level 3		Transfer out of Level 3			Balance at September 30, 2015
AFS fixed maturities:
U.S. government agency	$	15		$	—		$	—		$	—		$	—		$	—	$	—		$	15
State and municipal	84			—			1			9			(1		)	—		—			93
Residential MBS	296			(3		)	(1		)	—			(8		)	10		—			294
Commercial MBS	48			—			(1		)	—			(1		)	—		(1		)	45
Asset-backed securities	332			—			—			110			(3		)	20		(10		)	449
Corporate and other	597			—			7			24			(13		)	31		—			646
Equity securities	118			—			(2		)	7			—			—		—			123
Assets of MIE	29			(3		)	—			—			—			—		—			26
Embedded derivatives	(1,258		)	130			—			(88		)	18			—		—			(1,198		)

				Total realized/unrealized gains (losses) included in
	Balance at June 30, 2014			Net income			Other comprehensive income (loss)			Purchases and issuances			Sales and settlements			Transfer into Level 3		Transfer out of Level 3			Balance at September 30, 2014
AFS fixed maturities:
U.S. government agency	$	15		$	—		$	—		$	—		$	—		$	—	$	—		$	15
State and municipal	61			(1		)	(1		)	—			—			7		—			66
Residential MBS	256			—			(1		)	8			(8		)	20		(12		)	263
Commercial MBS	28			(1		)	—			—			—			—		—			27
Asset-backed securities	204			—			(3		)	8			(7		)	—		(23		)	179
Corporate and other	313			(1		)	1			51			(13		)	91		—			442
Equity securities	81			—			(2		)	2			—			—		—			81
Assets of MIE	27			—			—			3			(1		)	—		—			29
Liabilities of MIE (*)	(2,322		)	5			—			(135		)	69			—		—			(2,383		)
Embedded derivatives	(1,026		)	(21		)	—			(51		)	13			—		—			(1,085		)

(*) Total realized/unrealized gains (losses) included in net income includes gains of $6 million related to liabilities outstanding as of September 30, 2014. See Note H — “Managed Investment Entities.”

						Total realized/unrealized gains (losses) included in
	Balance at December 31, 2014			Impact of accounting change (*)		Net income			Other comprehensive income (loss)			Purchases and issuances			Sales and settlements			Transfer into Level 3		Transfer out of Level 3			Balance at September 30, 2015
AFS fixed maturities:
U.S. government agency	$	15		$	—	$	—		$	—		$	—		$	—		$	—	$	—		$	15
State and municipal	100			—		—			(1		)	34			(1		)	—		(39		)	93
Residential MBS	300			—		(5		)	—			—			(24		)	67		(44		)	294
Commercial MBS	44			—		—			(1		)	—			(1		)	4		(1		)	45
Asset-backed securities	226			—		1			—			230			(51		)	53		(10		)	449
Corporate and other	546			—		(3		)	(4		)	103			(37		)	41		—			646
Equity securities	93			—		(4		)	(1		)	52			—			—		(17		)	123
Assets of MIE	31			—		(9		)	—			4			—			—		—			26
Liabilities of MIE	(2,701		)	2,701		—			—			—			—			—		—			—
Embedded derivatives	(1,160		)	—		99			—			(183		)	46			—		—			(1,198		)

(*) The impact of implementing new guidance adopted in 2015, as discussed above and in Note A — “Accounting Policies — Managed Investment Entities.”

				Total realized/unrealized gains (losses) included in
	Balance at December 31, 2013			Net income			Other comprehensive income (loss)			Purchases and issuances			Sales and settlements			Transfer into Level 3		Transfer out of Level 3			Balance at September 30, 2014
AFS fixed maturities:
U.S. government agency	$	15		$	—		$	—		$	—		$	—		$	—	$	—		$	15
State and municipal	61			(1		)	(1		)	—			—			7		—			66
Residential MBS	316			3			5			8			(23		)	58		(104		)	263
Commercial MBS	28			(1		)	—			—			—			—		—			27
Asset-backed securities	75			3			(2		)	68			(23		)	81		(23		)	179
Corporate and other	335			4			4			72			(59		)	91		(5		)	442
Equity securities	31			1			2			48			(9		)	22		(14		)	81
Assets of MIE	30			(2		)	—			3			(2		)	—		—			29
Liabilities of MIE (*)	(2,411		)	(3		)	—			(335		)	366			—		—			(2,383		)
Embedded derivatives	(804		)	(153		)	—			(162		)	34			—		—			(1,085		)

(*) Total realized/unrealized gains (losses) included in net income includes gains of $12 million related to liabilities outstanding as of September 30, 2014. See Note H — “Managed Investment Entities.”

Fair value of financial instruments

The carrying value and fair value of financial instruments that are not carried at fair value in the financial statements are summarized below (in millions):

	Carrying Value		Fair Value		Level 1		Level 2		Level 3
September 30, 2015
Financial assets:
Cash and cash equivalents	$	894	$	894	$	894	$	—	$	—
Mortgage loans	994		1,005		—		—		1,005
Policy loans	221		221		—		—		221
Total financial assets not accounted for at fair value	$	2,109	$	2,120	$	894	$	—	$	1,226
Financial liabilities:
Annuity benefits accumulated (*)	$	25,825	$	25,083	$	—	$	—	$	25,083
Long-term debt	887		987		—		962		25
Total financial liabilities not accounted for at fair value	$	26,712	$	26,070	$	—	$	962	$	25,108
December 31, 2014
Financial assets:
Cash and cash equivalents	$	1,343	$	1,343	$	1,343	$	—	$	—
Mortgage loans	1,117		1,124		—		—		1,124
Policy loans	228		228		—		—		228
Total financial assets not accounted for at fair value	$	2,688	$	2,695	$	1,343	$	—	$	1,352
Financial liabilities:
Annuity benefits accumulated (*)	$	23,561	$	23,187	$	—	$	—	$	23,187
Long-term debt	1,061		1,180		—		1,106		74
Total financial liabilities not accounted for at fair value	$	24,622	$	24,367	$	—	$	1,106	$	23,261

(*) Excludes $201 million and $203 million of life contingent annuities in the payout phase at September 30, 2015 and December 31, 2014, respectively.

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Shareholders' Equity (Details 2) - $ / shares	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Stock Options, Valuation Assumptions
Exercise price	$ 63.15	$ 56.47
Expected dividend yield	1.60%	1.60%
Expected volatility	25.00%	26.00%
Expected term (in years)	7 years 3 months	7 years 3 months
Risk-free rate	1.88%	2.20%
Grant date fair value	$ 15.29	$ 14.66

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Consolidated Statement of Cash Flows (Unaudited) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Operating Activities:
Net earnings, including noncontrolling interests	$ 240	$ 281
Adjustments:
Depreciation and amortization	118	95
Annuity benefits	543	491
Realized (gains) losses on investing activities	90	(48)
Net purchases of trading securities	(9)	(39)
Deferred annuity and life policy acquisition costs	(164)	(144)
Change in:
Reinsurance and other receivables	(468)	(459)
Other assets	68	(38)
Insurance claims and reserves	491	505
Payable to reinsurers	79	162
Other liabilities	(45)	(92)
Managed investment entities’ assets/liabilities	(53)	(44)
Other operating activities, net	17	4
Net cash provided by operating activities	907	674
Investing Activities:
Purchases of fixed maturities	(5,395)	(5,358)
Purchases of equity securities	(449)	(356)
Purchases of mortgage loans	(105)	(355)
Purchases of real estate, property and equipment	(65)	(34)
Purchases of businesses	0	(267)
Proceeds from maturities and redemptions of fixed maturities	2,426	2,252
Proceeds from repayments of mortgage loans	231	74
Proceeds from sales of fixed maturities	235	262
Proceeds from sales of equity securities	193	97
Proceeds from sales of real estate, property and equipment	96	11
Cash and cash equivalents of businesses acquired	0	1,078
Managed investment entities:
Purchases of investments	(1,167)	(1,075)
Proceeds from sales and redemptions of investments	685	1,153
Other investing activities, net	(100)	83
Net cash used in investing activities	(3,415)	(2,435)
Financing Activities:
Annuity receipts	3,333	2,725
Annuity surrenders, benefits and withdrawals	(1,487)	(1,289)
Net transfers from variable annuity assets	32	36
Additional long-term borrowings	0	145
Reductions of long-term debt	(182)	(1)
Issuances of managed investment entities’ liabilities	693	538
Retirements of managed investment entities’ liabilities	(192)	(571)
Issuances of Common Stock	47	35
Repurchases of Common Stock	(113)	(127)
Cash dividends paid on Common Stock	(65)	(59)
Other financing activities, net	(7)	0
Net cash provided by financing activities	2,059	1,432
Net Change in Cash and Cash Equivalents	(449)	(329)
Cash and cash equivalents at beginning of period	1,343	1,639
Cash and cash equivalents at end of period	$ 894	$ 1,310

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Consolidated Balance Sheet (Unaudited) (Parenthetical) - USD ($) $ in Millions	Sep. 30, 2015	Dec. 31, 2014
Statement of Financial Position [Abstract]
Fixed maturities, available for sale at amortized cost	$ 31,868	$ 29,074
Equity securities, available for sale at cost	$ 1,590	$ 1,283
Common Stock, par value (USD per share)	$ 0	$ 0
Common Stock, shares authorized	200,000,000	200,000,000
Common Stock, shares outstanding	87,327,172	87,708,793

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Long-Term Debt

9 Months Ended

Sep. 30, 2015

Debt Disclosure [Abstract]

Long-Term Debt

Long-Term Debt

The carrying value of long-term debt consisted of the following (in millions):

	September 30, 2015		December 31, 2014
Direct Senior Obligations of AFG:
9-7/8% Senior Notes due June 2019	$	350	$	350
6-3/8% Senior Notes due June 2042	230		230
5-3/4% Senior Notes due August 2042	125		125
7% Senior Notes due September 2050	—		132
Other	3		3
	708		840
Direct Subordinated Obligations of AFG:
6-1/4% Subordinated Debentures due September 2054	150		150
Subsidiaries:
Notes payable secured by real estate due 2015 through 2016	10		59
National Interstate bank credit facility	12		12
	22		71
	$	880	$	1,061

To achieve a desired balance between fixed and variable rate debt, AFG entered into an interest rate swap in June 2015, which effectively converts its 9-7/8% Senior Notes to a floating rate of three-month LIBOR plus 8.099% (8.4362% at September 30, 2015). The fair value of the interest rate swap (an asset of $7 million at September 30, 2015) and the offsetting adjustment to the carrying value of the notes are both included in the carrying value of the 9-7/8% Senior Notes in the table above.

On September 30, 2015, AFG used cash on hand to redeem the $132 million in outstanding AFG 7% Senior Notes due September 2050 at par value. Scheduled principal payments on debt for the balance of 2015, the subsequent five years and thereafter were as follows: 2015 — less than $1 million; 2016 — $10 million; 2017 — $12 million; 2018 — none; 2019 — $350 million; 2020 — none and thereafter — $508 million.

As shown below (in millions), the majority of AFG’s long-term debt is unsecured obligations:

	September 30, 2015		December 31, 2014
Senior unsecured obligations	$	720	$	852
Subordinated unsecured obligations	150		150
Obligations secured by real estate	10		59
	$	880	$	1,061

AFG can borrow up to $500 million under its revolving credit facility which expires in December 2016. Amounts borrowed under this agreement bear interest at rates ranging from 1.00% to 1.875% (currently 1.375%) over LIBOR based on AFG’s credit rating. No amounts were borrowed under this facility at September 30, 2015 or December 31, 2014.

National Interstate can borrow up to $100 million under its unsecured credit agreement, which expires in November 2017. At September 30, 2015, there was $12 million outstanding under this agreement, bearing interest at 1.28% (six-month LIBOR plus 0.875%).

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Document and Entity Information - shares	9 Months Ended
	Sep. 30, 2015	Nov. 01, 2015
Document and Entity Information [Abstract]
Entity Registrant Name	AMERICAN FINANCIAL GROUP INC
Entity Central Index Key	0001042046
Document Type	10-Q
Document Period End Date	Sep. 30, 2015
Amendment Flag	false
Document Fiscal Year Focus	2015
Document Fiscal Period Focus	Q3
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding		87,349,107

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Shareholders' Equity

9 Months Ended

Sep. 30, 2015

Stockholders' Equity Note [Abstract]

Shareholders' Equity

Shareholders’ Equity

AFG is authorized to issue 12.5 million shares of Voting Preferred Stock and 12.5 million shares of Nonvoting Preferred Stock, each without par value.

Accumulated Other Comprehensive Income, Net of Tax (“AOCI”)   Comprehensive income is defined as all changes in Shareholders’ Equity except those arising from transactions with shareholders. Comprehensive income includes net earnings and other comprehensive income, which consists primarily of changes in net unrealized gains or losses on available for sale securities.

The progression of the components of accumulated other comprehensive income follows (in millions):

				Other Comprehensive Income
	AOCI Beginning Balance			Pretax			Tax			Net of tax			Attributable to noncontrolling interests			Attributable to shareholders			AOCI Ending Balance
Quarter ended September 30, 2015
Net unrealized gains (losses) on securities:
Unrealized holding gains (losses) on securities arising during the period				$	(171	)	$	61		$	(110	)	$	3		$	(107	)
Reclassification adjustment for realized (gains) losses included in net earnings (a)				16			(6		)	10			(1		)	9
Total net unrealized gains (losses) on securities (b)	$	587		(155		)	55			(100		)	2			(98		)	$	489
Net unrealized gains on cash flow hedges	—			3			(1		)	2			—			2			2
Foreign currency translation adjustments	(16		)	(5		)	(2		)	(7		)	—			(7		)	(23		)
Pension and other postretirement plans adjustments	(8		)	1			—			1			—			1			(7		)
Total	$	563		$	(156	)	$	52		$	(104	)	$	2		$	(102	)	$	461
Quarter ended September 30, 2014
Net unrealized gains (losses) on securities:
Unrealized holding gains (losses) on securities arising during the period				$	(111	)	$	38		$	(73	)	$	2		$	(71	)
Reclassification adjustment for realized (gains) losses included in net earnings (a)				(14		)	6			(8		)	—			(8		)
Total net unrealized gains (losses) on securities	$	805		(125		)	44			(81		)	2			(79		)	$	726
Foreign currency translation adjustments	(2		)	(2		)	—			(2		)	—			(2		)	(4		)
Pension and other postretirement plans adjustments	(4		)	—			—			—			—			—			(4		)
Total	$	799		$	(127	)	$	44		$	(83	)	$	2		$	(81	)	$	718
Nine months ended September 30, 2015
Net unrealized gains (losses) on securities:
Unrealized holding gains (losses) on securities arising during the period				$	(394	)	$	139		$	(255	)	$	5		$	(250	)
Reclassification adjustment for realized (gains) losses included in net earnings (a)				(4		)	1			(3		)	(1		)	(4		)
Total net unrealized gains (losses) on securities (b)	$	743		(398		)	140			(258		)	4			(254		)	$	489
Net unrealized gains on cash flow hedges	—			3			(1		)	2			—			2			2
Foreign currency translation adjustments	(8		)	(11		)	(4		)	(15		)	—			(15		)	(23		)
Pension and other postretirement plans adjustments	(8		)	1			—			1			—			1			(7		)
Total	$	727		$	(405	)	$	135		$	(270	)	$	4		$	(266	)	$	461
Nine months ended September 30, 2014
Net unrealized gains on securities:
Unrealized holding gains (losses) on securities arising during the period				$	300		$	(106	)	$	194		$	(4	)	$	190
Reclassification adjustment for realized (gains) losses included in net earnings (a)				(44		)	16			(28		)	1			(27		)
Total net unrealized gains on securities	$	563		256			(90		)	166			(3		)	163			$	726
Foreign currency translation adjustments	1			(5		)	—			(5		)	—			(5		)	(4		)
Pension and other postretirement plans adjustments	(4		)	—			—			—			—			—			(4		)
Total	$	560		$	251		$	(90	)	$	161		$	(3	)	$	158		$	718

(a) The reclassification adjustment out of net unrealized gains on securities affected the following lines in AFG’s Consolidated Statement of Earnings:

OCI component	Affected line in the Consolidated Statement of Earnings
Pretax	Realized gains (losses) on securities
Tax	Provision for income taxes
Attributable to noncontrolling interests	Net earnings (loss) attributable to noncontrolling interests

(b) Includes net unrealized gains of $53 million at September 30, 2015, $57 million at June 30, 2015 and $58 million at December 31, 2014 related to securities for which only the credit portion of an other-than-temporary impairment has been recorded in earnings.

Stock Incentive Plans   Under AFG’s stock incentive plans, employees of AFG and its subsidiaries are eligible to receive equity awards in the form of stock options, stock appreciation rights, restricted stock awards, restricted stock units and stock awards. In the first nine months of 2015, AFG issued 171,130 shares of restricted Common Stock (fair value of $63.15 per share) and granted stock options for 716,818 shares of Common Stock (at an exercise price of $63.15) under the Stock Incentive Plan. In addition, AFG issued 54,732 shares of Common Stock (fair value of $62.55 per share) in the first quarter of 2015 under the Equity Bonus Plan.

AFG uses the Black-Scholes option pricing model to calculate the fair value of its option grants. The expected dividend yield is based on AFG’s current dividend rate. To determine expected volatility, AFG considers its daily historical volatility as well as implied volatility on traded options. The expected term was estimated based on historical exercise patterns and post vesting cancellations. The risk-free rate for periods associated with the expected term is based upon the U.S. Treasury yield curve in effect on the grant date.

	Nine months ended September 30,
	2015			2014
Exercise price	$	63.15		$	56.47
Expected dividend yield	1.6		%	1.6		%
Expected volatility	25		%	26		%
Expected term (in years)	7.25			7.25
Risk-free rate	1.88		%	2.20		%
Grant date fair value	$	15.29		$	14.66

Total compensation expense related to stock incentive plans of AFG and its subsidiaries was $5 million and $4 million in the third quarter of 2015 and 2014, respectively, and $18 million in both the first nine months of 2015 and 2014.

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Consolidated Statement of Earnings (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Revenues:
Property and casualty insurance net earned premiums	$ 1,173	$ 1,132	$ 3,104	$ 2,817
Life, accident and health net earned premiums	28	27	80	82
Net investment income	425	377	1,217	1,117
Realized gains (losses) on:
Securities	(16)	13	2	44
Subsidiaries	5	0	(157)	0
Income (loss) of managed investment entities:
Investment income	40	29	112	84
Loss on change in fair value of assets/liabilities	(11)	(25)	(16)	(35)
Other income	40	28	177	75
Total revenues	1,684	1,581	4,519	4,184
Costs and Expenses:
Property and casualty insurance: Losses and loss adjustment expenses	825	784	2,002	1,815
Property and casualty insurance: Commissions and other underwriting expenses	336	302	987	869
Annuity benefits	208	157	543	491
Life, accident and health benefits	31	37	96	119
Annuity and supplemental insurance acquisition expenses	46	46	148	122
Interest charges on borrowed money	18	18	57	53
Expenses of managed investment entities	28	19	80	60
Other expenses	93	73	251	219
Total costs and expenses	1,585	1,436	4,164	3,748
Earnings before income taxes	99	145	355	436
Provision for income taxes	33	54	115	155
Net earnings, including noncontrolling interests	66	91	240	281
Less: Net earnings (loss) attributable to noncontrolling interests	3	(25)	17	(44)
Net Earnings Attributable to Shareholders	$ 63	$ 116	$ 223	$ 325
Earnings Attributable to Shareholders per Common Share:
Basic (USD per share)	$ 0.72	$ 1.30	$ 2.54	$ 3.64
Diluted (USD per share)	$ 0.71	$ 1.28	$ 2.49	$ 3.56
Average number of Common Shares:
Basic (shares)	87.5	89.0	87.6	89.4
Diluted (shares)	89.3	90.9	89.4	91.4
Cash dividends per Common Share (USD per share)	$ 0.250	$ 0.22	$ 0.75	$ 0.66
Supplemental disclosure of Realized gains on securities:
Realized gains before impairments	$ 19	$ 24	$ 71	$ 57
Losses on securities with impairment	(35)	(11)	(69)	(13)
Non-credit portion recognized in other comprehensive income (loss)	0	0	0	0
Impairment charges recognized in earnings	(35)	(11)	(69)	(13)
Total realized gains (losses) on securities	$ (16)	$ 13	$ 2	$ 44

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Investments

9 Months Ended

Sep. 30, 2015

Investments, Debt and Equity Securities [Abstract]

Investments

Investments

Available for sale fixed maturities and equity securities at September 30, 2015 and December 31, 2014, consisted of the following (in millions):

	September 30, 2015									December 31, 2014
	Amortized Cost		Fair Value		Gross Unrealized					Amortized Cost		Fair Value		Gross Unrealized
					Gains		Losses							Gains		Losses
Fixed maturities:
U.S. Government and government agencies	$	329	$	335	$	8	$	(2	)	$	347	$	353	$	8	$	(2	)
States, municipalities and political subdivisions	6,874		7,166		321		(29		)	6,393		6,747		364		(10		)
Foreign government	157		166		9		—			184		194		10		—
Residential MBS	3,540		3,879		354		(15		)	4,046		4,442		411		(15		)
Commercial MBS	2,185		2,297		112		—			2,294		2,451		158		(1		)
Asset-backed securities	4,673		4,701		47		(19		)	3,872		3,887		37		(22		)
Corporate and other	14,110		14,570		606		(146		)	11,938		12,660		751		(29		)
Total fixed maturities	$	31,868	$	33,114	$	1,457	$	(211	)	$	29,074	$	30,734	$	1,739	$	(79	)
Common stocks	$	1,147	$	1,204	$	151	$	(94	)	$	885	$	1,087	$	227	$	(25	)
Perpetual preferred stocks	$	443	$	454	$	18	$	(7	)	$	398	$	414	$	21	$	(5	)

The non-credit related portion of other-than-temporary impairment charges is included in other comprehensive income. Cumulative non-credit charges taken for securities still owned at September 30, 2015 and December 31, 2014, respectively, were $213 million and $220 million. Gross unrealized gains on such securities at September 30, 2015 and December 31, 2014 were $143 million and $151 million, respectively. Gross unrealized losses on such securities at both September 30, 2015 and December 31, 2014 were $8 million. These amounts represent the non-credit other-than-temporary impairment charges recorded in AOCI adjusted for subsequent changes in fair values and nearly all relate to residential MBS.

The following tables show gross unrealized losses (dollars in millions) on fixed maturities and equity securities by investment category and length of time that individual securities have been in a continuous unrealized loss position at September 30, 2015 and December 31, 2014.

	Less Than Twelve Months							Twelve Months or More
	Unrealized Loss			Fair Value		Fair Value as % of Cost		Unrealized Loss			Fair Value		Fair Value as % of Cost
September 30, 2015
Fixed maturities:
U.S. Government and government agencies	$	—		$	2	100	%	$	(2	)	$	15	88	%
States, municipalities and political subdivisions	(27		)	1,197		98	%	(2		)	58		97	%
Residential MBS	(6		)	347		98	%	(9		)	223		96	%
Commercial MBS	—			23		100	%	—			31		100	%
Asset-backed securities	(12		)	1,315		99	%	(7		)	414		98	%
Corporate and other	(124		)	3,197		96	%	(22		)	132		86	%
Total fixed maturities	$	(169	)	$	6,081	97	%	$	(42	)	$	873	95	%
Common stocks	$	(94	)	$	590	86	%	$	—		$	—	—	%
Perpetual preferred stocks	$	(4	)	$	127	97	%	$	(3	)	$	26	90	%
December 31, 2014
Fixed maturities:
U.S. Government and government agencies	$	—		$	39	100	%	$	(2	)	$	15	88	%
States, municipalities and political subdivisions	(2		)	222		99	%	(8		)	408		98	%
Residential MBS	(4		)	298		99	%	(11		)	209		95	%
Commercial MBS	(1		)	38		97	%	—			11		100	%
Asset-backed securities	(11		)	1,389		99	%	(11		)	622		98	%
Corporate and other	(16		)	588		97	%	(13		)	433		97	%
Total fixed maturities	$	(34	)	$	2,574	99	%	$	(45	)	$	1,698	97	%
Common stocks	$	(25	)	$	260	91	%	$	—		$	—	—	%
Perpetual preferred stocks	$	(1	)	$	45	98	%	$	(4	)	$	55	93	%

At September 30, 2015, the gross unrealized losses on fixed maturities of $211 million relate to approximately 950 securities. Investment grade securities (as determined by nationally recognized rating agencies) represented approximately 76% of the gross unrealized loss and 85% of the fair value.

AFG analyzes its MBS securities for other-than-temporary impairment each quarter based upon expected future cash flows. Management estimates expected future cash flows based upon its knowledge of the MBS market, cash flow projections (which reflect loan to collateral values, subordination, vintage and geographic concentration) received from independent sources, implied cash flows inherent in security ratings and analysis of historical payment data. In the first nine months of 2015, AFG recorded approximately $3 million in other-than-temporary impairment charges related to its residential MBS.

In the first nine months of 2015, AFG recorded approximately $25 million and $4 million in other-than-temporary impairment charges related to corporate bonds and municipal bonds, respectively.

AFG recorded $48 million other-than-temporary impairment charges on common stocks in the first nine months of 2015. At September 30, 2015, the gross unrealized losses on common stocks of $94 million relate to 76 securities, none of which has been in an unrealized loss position for more than 12 months.

At September 30, 2015, the gross unrealized losses on preferred stocks of $7 million relate to 25 securities. Of the preferred stocks that have been in an unrealized loss position for 12 months or more (4 securities), 93% of the unrealized loss relates to investment grade securities.

Management believes AFG will recover its cost basis in the securities with unrealized losses and that AFG has the ability to hold the securities until they recover in value and had no intent to sell them at September 30, 2015.

A progression of the credit portion of other-than-temporary impairments on fixed maturity securities for which the non-credit portion of an impairment has been recognized in other comprehensive income is shown below (in millions):

	2015			2014
Balance at June 30	$	166		$	175
Additional credit impairments on:
Previously impaired securities	—			—
Securities without prior impairments	2			—
Reductions due to sales or redemptions	(2		)	(2		)
Balance at September 30	$	166		$	173
Balance at January 1	$	170		$	194
Additional credit impairments on:
Previously impaired securities	1			—
Securities without prior impairments	2			—
Reductions due to sales or redemptions	(7		)	(21		)
Balance at September 30	$	166		$	173

The table below sets forth the scheduled maturities of available for sale fixed maturities as of September 30, 2015 (dollars in millions). Securities with sinking funds are reported at average maturity. Actual maturities may differ from contractual maturities because certain securities may be called or prepaid by the issuers.

	Amortized		Fair Value
	Cost		Amount		%
Maturity
One year or less	$	1,016	$	1,032	3	%
After one year through five years	5,300		5,604		17	%
After five years through ten years	10,439		10,679		32	%
After ten years	4,715		4,922		15	%
	21,470		22,237		67	%
ABS (average life of approximately 5 years)	4,673		4,701		14	%
MBS (average life of approximately 4-1/2 years)	5,725		6,176		19	%
Total	$	31,868	$	33,114	100	%

Certain risks are inherent in connection with fixed maturity securities, including loss upon default, price volatility in reaction to changes in interest rates, and general market factors and risks associated with reinvestment of proceeds due to prepayments or redemptions in a period of declining interest rates.

There were no investments in individual issuers that exceeded 10% of Shareholders’ Equity at September 30, 2015 or December 31, 2014.

Net Unrealized Gain on Marketable Securities   In addition to adjusting equity securities and fixed maturity securities classified as “available for sale” to fair value, GAAP requires that deferred policy acquisition costs and certain other balance sheet amounts related to annuity, long-term care and life businesses be adjusted to the extent that unrealized gains and losses from securities would result in adjustments to those balances had the unrealized gains or losses actually been realized. The following table shows (in millions) the components of the net unrealized gain on securities that is included in AOCI in AFG’s Balance Sheet.

	Pretax			Deferred Tax and Amounts  Attributable to Noncontrolling Interests			Net
September 30, 2015
Unrealized gain on:
Fixed maturities — annuity segment (*)	$	868		$	(304	)	$	564
Fixed maturities — all other	378			(140		)	238
Equity securities	68			(24		)	44
Deferred policy acquisition costs — annuity segment	(391		)	137			(254		)
Annuity benefits accumulated	(112		)	39			(73		)
Life, accident and health reserves	(67		)	24			(43		)
Unearned revenue	20			(7		)	13
	$	764		$	(275	)	$	489
December 31, 2014
Unrealized gain on:
Fixed maturities — annuity segment (*)	$	1,157		$	(405	)	$	752
Fixed maturities — all other	503			(185		)	318
Equity securities	218			(79		)	139
Deferred policy acquisition costs — annuity segment	(531		)	186			(345		)
Annuity benefits accumulated	(112		)	39			(73		)
Life, accident and health reserves	(104		)	36			(68		)
Unearned revenue	31			(11		)	20
	$	1,162		$	(419	)	$	743

(*) Unrealized gains on fixed maturity investments supporting AFG’s annuity benefits accumulated.

Net Investment Income   The following table shows (in millions) investment income earned and investment expenses incurred.

	Three months ended September 30,						Nine months ended September 30,
	2015			2014			2015			2014
Investment income:
Fixed maturities	$	370		$	342		$	1,082		$	1,007
Equity securities	20			16			54			48
Equity in earnings of partnerships and similar investments	18			2			26			15
Other	22			20			69			56
Gross investment income	430			380			1,231			1,126
Investment expenses	(5		)	(3		)	(14		)	(9		)
Net investment income	$	425		$	377		$	1,217		$	1,117

Realized gains (losses) and changes in unrealized appreciation (depreciation) related to fixed maturity and equity security investments are summarized as follows (in millions):

	Fixed Maturities			Equity Securities			Mortgage Loans and Other Investments			Other (a)			Total Pretax			Tax Effects			Noncon- trolling Interests			Total
Quarter ended September 30, 2015
Realized before impairments	$	7		$	13		$	—		$	(1	)	$	19		$	(7	)	$	(1	)	$	11
Realized — impairments	(17		)	(23		)	—			5			(35		)	13			1			(21		)
Change in unrealized	(9		)	(135		)	—			(11		)	(155		)	55			2			(98		)
Quarter ended September 30, 2014
Realized before impairments	$	10		$	16		$	(1	)	$	(1	)	$	24		$	(10	)	$	—		$	14
Realized — impairments	(9		)	(5		)	—			3			(11		)	5			—			(6		)
Change in unrealized	(145		)	(40		)	—			60			(125		)	44			2			(79		)
Nine months ended September 30, 2015
Realized before impairments	$	17		$	59		$	(2	)	$	(3	)	$	71		$	(25	)	$	(1	)	$	45
Realized — impairments	(32		)	(48		)	—			11			(69		)	25			1			(43		)
Change in unrealized	(414		)	(150		)	—			166			(398		)	140			4			(254		)
Nine months ended September 30, 2014
Realized before impairments	$	32		$	26		$	—		$	(1	)	$	57		$	(21	)	$	(1	)	$	35
Realized — impairments	(10		)	(6		)	—			3			(13		)	5			—			(8		)
Change in unrealized	466			3			—			(213		)	256			(90		)	(3		)	163

(a) Primarily adjustments to deferred policy acquisition costs and reserves related to annuities and long-term care business.

Gross realized gains and losses (excluding impairment write-downs and mark-to-market of derivatives) on available for sale fixed maturity and equity security investment transactions included in the Statement of Cash Flows consisted of the following (in millions):

	Nine months ended September 30,
	2015		2014
Fixed maturities:
Gross gains	$	24	$	28
Gross losses	—		(2		)
Equity securities:
Gross gains	59		27
Gross losses	—		—

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Fair Value Measurements

9 Months Ended

Sep. 30, 2015

Fair Value Disclosures [Abstract]

Fair Value Measurements

Fair Value Measurements

Accounting standards for measuring fair value are based on inputs used in estimating fair value. The three levels of the hierarchy are as follows:

Level 1 — Quoted prices for identical assets or liabilities in active markets (markets in which transactions occur with sufficient frequency and volume to provide pricing information on an ongoing basis). AFG’s Level 1 financial instruments consist primarily of publicly traded equity securities and highly liquid government bonds for which quoted market prices in active markets are available and short-term investments of managed investment entities.

Level 2 — Quoted prices for similar instruments in active markets; quoted prices for identical or similar assets or liabilities in inactive markets (markets in which there are few transactions, the prices are not current, price quotations vary substantially over time or among market makers, or in which little information is released publicly); and valuations based on other significant inputs that are observable in active markets. AFG’s Level 2 financial instruments include separate account assets, corporate and municipal fixed maturity securities, mortgage-backed securities (“MBS”) and investments of managed investment entities priced using observable inputs. Level 2 inputs include benchmark yields, reported trades, corroborated broker/dealer quotes, issuer spreads and benchmark securities. When non-binding broker quotes can be corroborated by comparison to similar securities priced using observable inputs, they are classified as Level 2.

Level 3 — Valuations derived from market valuation techniques generally consistent with those used to estimate the fair values of Level 2 financial instruments in which one or more significant inputs are unobservable or when the market for a security exhibits significantly less liquidity relative to markets supporting Level 2 fair value measurements. The unobservable inputs may include management’s own assumptions about the assumptions market participants would use based on the best information available in the circumstances. AFG’s Level 3 is comprised of financial instruments whose fair value is estimated based on non-binding broker quotes or internally developed using significant inputs not based on, or corroborated by, observable market information, and prior to 2015 certain liabilities of the CLOs.

Under new guidance adopted in the first quarter of 2015, discussed in Note A — “Accounting Policies — Managed Investment Entities,” AFG has elected to set the carrying value of the CLO liabilities equal to the fair value of the CLO assets (which have more observable fair values) as an alternative to reporting those liabilities at separately measured fair values. Following the adoption of the new guidance, the CLO liabilities are categorized within the fair value hierarchy on the same basis (proportionally) as the related CLO assets. Since the portion of the CLO liabilities allocated to Level 3 is derived from the fair value of the CLO assets, beginning with the first quarter of 2015, these amounts are excluded from the progression of Level 3 financial instruments.

AFG’s management is responsible for the valuation process and uses data from outside sources (including nationally recognized pricing services and broker/dealers) in establishing fair value. AFG’s internal investment professionals are a group of approximately 20 analysts whose primary responsibility is to manage AFG’s investment portfolio. These professionals monitor individual investments as well as overall industries and are active in the financial markets on a daily basis. The group is led by AFG’s chief investment officer, who reports directly to one of AFG’s Co-CEOs. Valuation techniques utilized by pricing services and prices obtained from external sources are reviewed by AFG’s internal investment professionals who are familiar with the securities being priced and the markets in which they trade to ensure the fair value determination is representative of an exit price. To validate the appropriateness of the prices obtained, these investment managers consider widely published indices (as benchmarks), recent trades, changes in interest rates, general economic conditions and the credit quality of the specific issuers. In addition, the Company communicates directly with the pricing service regarding the methods and assumptions used in pricing, including verifying, on a test basis, the inputs used by the service to value specific securities.

In April 2015, AFG reached an agreement to sell all of its run-off long-term care insurance business. As discussed in Note B — “Acquisitions and Sale of Businesses,” AFG recorded a loss in the first quarter of 2015 to write down the net carrying value of the assets and liabilities to be disposed to the estimated net sale proceeds of $14 million (estimated fair value less costs to sell). The estimate of fair value was derived using significant unobservable inputs (Level 3).

Assets and liabilities measured and carried at fair value in the financial statements are summarized below (in millions):

	Level 1		Level 2			Level 3		Total
September 30, 2015
Assets:
Available for sale (“AFS”) fixed maturities:
U.S. Government and government agencies	$	115	$	205		$	15	$	335
States, municipalities and political subdivisions	—		7,073			93		7,166
Foreign government	—		166			—		166
Residential MBS	—		3,585			294		3,879
Commercial MBS	—		2,252			45		2,297
Asset-backed securities (“ABS”)	—		4,252			449		4,701
Corporate and other	48		13,876			646		14,570
Total AFS fixed maturities	163		31,409			1,542		33,114
Trading fixed maturities	13		256			—		269
Equity securities	1,473		235			123		1,831
Assets of managed investment entities (“MIE”)	155		3,432			26		3,613
Variable annuity assets (separate accounts) (*)	—		595			—		595
Other investments — derivatives	—		122			—		122
Other assets — derivatives	—		8			—		8
Total assets accounted for at fair value	$	1,804	$	36,057		$	1,691	$	39,552
Liabilities:
Liabilities of managed investment entities	$	141	$	3,123		$	23	$	3,287
Derivatives in annuity benefits accumulated	—		—			1,198		1,198
Derivatives in long-term debt	—		(7		)	—		(7		)
Other liabilities — derivatives	—		9			—		9
Total liabilities accounted for at fair value	$	141	$	3,125		$	1,221	$	4,487
December 31, 2014
Assets:
Available for sale fixed maturities:
U.S. Government and government agencies	$	164	$	174		$	15	$	353
States, municipalities and political subdivisions	—		6,647			100		6,747
Foreign government	—		194			—		194
Residential MBS	—		4,142			300		4,442
Commercial MBS	—		2,407			44		2,451
Asset-backed securities	—		3,661			226		3,887
Corporate and other	36		12,078			546		12,660
Total AFS fixed maturities	200		29,303			1,231		30,734
Trading fixed maturities	12		254			—		266
Equity securities	1,306		297			93		1,696
Assets of managed investment entities	174		2,903			31		3,108
Variable annuity assets (separate accounts) (*)	—		662			—		662
Other investments — derivatives	—		322			—		322
Total assets accounted for at fair value	$	1,692	$	33,741		$	1,355	$	36,788
Liabilities:
Liabilities of managed investment entities	$	118	$	—		$	2,701	$	2,819
Derivatives in annuity benefits accumulated	—		—			1,160		1,160
Other liabilities — derivatives	—		13			—		13
Total liabilities accounted for at fair value	$	118	$	13		$	3,861	$	3,992

(*) Variable annuity liabilities equal the fair value of variable annuity assets.

Transfers between Level 1 and Level 2 for all periods presented were a result of increases or decreases in trade frequency.

During the third quarter of 2015, there was one common stock with a fair value of less than $1 million transferred from Level 2 to Level 1. During the first nine months of 2015, there were seven common stocks, four perpetual preferred stocks and one mandatory redeemable preferred stock with aggregate fair values of $80 million, $19 million and $10 million, respectively, that transferred from Level 2 to Level 1. During the third quarter and nine months ended September 30, 2014, there were fourteen perpetual preferred stocks with an aggregate fair value of $96 million transferred from Level 2 to Level 1.

During the third quarter and first nine months of 2015, seven perpetual preferred stocks with a fair value of $31 million were transferred from Level 1 to Level 2. During the third quarter ended September 30, 2014, there were no transfers from Level 1 to Level 2. During the nine months ended September 30, 2014, nine perpetual preferred stocks with an aggregate fair value of $55 million were transferred from Level 1 to Level 2.

Approximately 4% of the total assets carried at fair value on September 30, 2015, were Level 3 assets. Approximately 71% ($1.20 billion) of the Level 3 assets were priced using non-binding broker quotes, for which there is a lack of transparency as to the inputs used to determine fair value. Details as to the quantitative inputs are neither provided by the brokers nor otherwise reasonably obtainable by AFG. Since internally developed Level 3 asset fair values represent approximately 1% of the total assets measured at fair value and approximately 8% of AFG’s shareholders’ equity, changes in unobservable inputs used to determine internally developed fair values would not have a material impact on AFG’s financial position.

The only significant Level 3 assets or liabilities carried at fair value in the financial statements that were not measured using broker quotes are the derivatives embedded in AFG’s fixed-indexed annuity liabilities, which are measured using a discounted cash flow approach and had a fair value of $1.20 billion at September 30, 2015. The following table presents information about the unobservable inputs used by management in determining fair value of these embedded derivatives. See Note F — “Derivatives.”

Unobservable Input	Range
Adjustment for insurance subsidiary’s credit risk	0.30% – 2.60% over the risk free rate
Risk margin for uncertainty in cash flows	0.52% reduction in the discount rate
Surrenders	4% – 16% of indexed account value
Partial surrenders	2% – 10% of indexed account value
Annuitizations	1% – 1.5% of indexed account value
Deaths	1.5% – 3.0% of indexed account value
Budgeted option costs	2.25% – 3.50% of indexed account value

The range of adjustments for insurance subsidiary’s credit risk reflects credit spread variations across the yield curve. The range of projected surrender rates reflects the specific surrender charges and other features of AFG’s individual fixed-indexed annuity products with an expected range of 5% to 11% in the majority of future calendar years (4% to 16% over all periods). Increasing the budgeted option cost or risk margin for uncertainty in cash flows assumptions in the table above would increase the fair value of the fixed-indexed annuity embedded derivatives, while increasing any of the other unobservable inputs in the table above would decrease the fair value of the embedded derivatives.

Changes in balances of Level 3 financial assets and liabilities carried at fair value during the third quarter and first nine months of 2015 and 2014 are presented below (in millions). The transfers into and out of Level 3 were due to changes in the availability of market observable inputs. All transfers are reflected in the table at fair value as of the end of the reporting period.

				Total realized/unrealized gains (losses) included in
	Balance at June 30, 2015			Net income			Other comprehensive income (loss)			Purchases and issuances			Sales and settlements			Transfer into Level 3		Transfer out of Level 3			Balance at September 30, 2015
AFS fixed maturities:
U.S. government agency	$	15		$	—		$	—		$	—		$	—		$	—	$	—		$	15
State and municipal	84			—			1			9			(1		)	—		—			93
Residential MBS	296			(3		)	(1		)	—			(8		)	10		—			294
Commercial MBS	48			—			(1		)	—			(1		)	—		(1		)	45
Asset-backed securities	332			—			—			110			(3		)	20		(10		)	449
Corporate and other	597			—			7			24			(13		)	31		—			646
Equity securities	118			—			(2		)	7			—			—		—			123
Assets of MIE	29			(3		)	—			—			—			—		—			26
Embedded derivatives	(1,258		)	130			—			(88		)	18			—		—			(1,198		)

				Total realized/unrealized gains (losses) included in
	Balance at June 30, 2014			Net income			Other comprehensive income (loss)			Purchases and issuances			Sales and settlements			Transfer into Level 3		Transfer out of Level 3			Balance at September 30, 2014
AFS fixed maturities:
U.S. government agency	$	15		$	—		$	—		$	—		$	—		$	—	$	—		$	15
State and municipal	61			(1		)	(1		)	—			—			7		—			66
Residential MBS	256			—			(1		)	8			(8		)	20		(12		)	263
Commercial MBS	28			(1		)	—			—			—			—		—			27
Asset-backed securities	204			—			(3		)	8			(7		)	—		(23		)	179
Corporate and other	313			(1		)	1			51			(13		)	91		—			442
Equity securities	81			—			(2		)	2			—			—		—			81
Assets of MIE	27			—			—			3			(1		)	—		—			29
Liabilities of MIE (*)	(2,322		)	5			—			(135		)	69			—		—			(2,383		)
Embedded derivatives	(1,026		)	(21		)	—			(51		)	13			—		—			(1,085		)

(*) Total realized/unrealized gains (losses) included in net income includes gains of $6 million related to liabilities outstanding as of September 30, 2014. See Note H — “Managed Investment Entities.”

						Total realized/unrealized gains (losses) included in
	Balance at December 31, 2014			Impact of accounting change (*)		Net income			Other comprehensive income (loss)			Purchases and issuances			Sales and settlements			Transfer into Level 3		Transfer out of Level 3			Balance at September 30, 2015
AFS fixed maturities:
U.S. government agency	$	15		$	—	$	—		$	—		$	—		$	—		$	—	$	—		$	15
State and municipal	100			—		—			(1		)	34			(1		)	—		(39		)	93
Residential MBS	300			—		(5		)	—			—			(24		)	67		(44		)	294
Commercial MBS	44			—		—			(1		)	—			(1		)	4		(1		)	45
Asset-backed securities	226			—		1			—			230			(51		)	53		(10		)	449
Corporate and other	546			—		(3		)	(4		)	103			(37		)	41		—			646
Equity securities	93			—		(4		)	(1		)	52			—			—		(17		)	123
Assets of MIE	31			—		(9		)	—			4			—			—		—			26
Liabilities of MIE	(2,701		)	2,701		—			—			—			—			—		—			—
Embedded derivatives	(1,160		)	—		99			—			(183		)	46			—		—			(1,198		)

(*) The impact of implementing new guidance adopted in 2015, as discussed above and in Note A — “Accounting Policies — Managed Investment Entities.”

				Total realized/unrealized gains (losses) included in
	Balance at December 31, 2013			Net income			Other comprehensive income (loss)			Purchases and issuances			Sales and settlements			Transfer into Level 3		Transfer out of Level 3			Balance at September 30, 2014
AFS fixed maturities:
U.S. government agency	$	15		$	—		$	—		$	—		$	—		$	—	$	—		$	15
State and municipal	61			(1		)	(1		)	—			—			7		—			66
Residential MBS	316			3			5			8			(23		)	58		(104		)	263
Commercial MBS	28			(1		)	—			—			—			—		—			27
Asset-backed securities	75			3			(2		)	68			(23		)	81		(23		)	179
Corporate and other	335			4			4			72			(59		)	91		(5		)	442
Equity securities	31			1			2			48			(9		)	22		(14		)	81
Assets of MIE	30			(2		)	—			3			(2		)	—		—			29
Liabilities of MIE (*)	(2,411		)	(3		)	—			(335		)	366			—		—			(2,383		)
Embedded derivatives	(804		)	(153		)	—			(162		)	34			—		—			(1,085		)

(*) Total realized/unrealized gains (losses) included in net income includes gains of $12 million related to liabilities outstanding as of September 30, 2014. See Note H — “Managed Investment Entities.”

Fair Value of Financial Instruments   The carrying value and fair value of financial instruments that are not carried at fair value in the financial statements are summarized below (in millions):

	Carrying Value		Fair Value		Level 1		Level 2		Level 3
September 30, 2015
Financial assets:
Cash and cash equivalents	$	894	$	894	$	894	$	—	$	—
Mortgage loans	994		1,005		—		—		1,005
Policy loans	221		221		—		—		221
Total financial assets not accounted for at fair value	$	2,109	$	2,120	$	894	$	—	$	1,226
Financial liabilities:
Annuity benefits accumulated (*)	$	25,825	$	25,083	$	—	$	—	$	25,083
Long-term debt	887		987		—		962		25
Total financial liabilities not accounted for at fair value	$	26,712	$	26,070	$	—	$	962	$	25,108
December 31, 2014
Financial assets:
Cash and cash equivalents	$	1,343	$	1,343	$	1,343	$	—	$	—
Mortgage loans	1,117		1,124		—		—		1,124
Policy loans	228		228		—		—		228
Total financial assets not accounted for at fair value	$	2,688	$	2,695	$	1,343	$	—	$	1,352
Financial liabilities:
Annuity benefits accumulated (*)	$	23,561	$	23,187	$	—	$	—	$	23,187
Long-term debt	1,061		1,180		—		1,106		74
Total financial liabilities not accounted for at fair value	$	24,622	$	24,367	$	—	$	1,106	$	23,261

(*) Excludes $201 million and $203 million of life contingent annuities in the payout phase at September 30, 2015 and December 31, 2014, respectively.

The carrying amount of cash and cash equivalents approximates fair value. Fair values for mortgage loans are estimated by discounting the future contractual cash flows using the current rates at which similar loans would be made to borrowers with similar credit ratings. The fair value of policy loans is estimated to approximate carrying value; policy loans have no defined maturity dates and are inseparable from insurance contracts. The fair value of annuity benefits was estimated based on expected cash flows discounted using forward interest rates adjusted for the Company’s credit risk and includes the impact of maintenance expenses and capital costs. Fair values of long-term debt are based primarily on quoted market prices.

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Segments of Operations (Tables)

9 Months Ended

Sep. 30, 2015

Segment Reporting [Abstract]

Segment Reporting Information, by Segment

The following tables (in millions) show AFG’s revenues and earnings before income taxes by segment and sub-segment.

	Three months ended September 30,					Nine months ended September 30,
	2015			2014		2015			2014
Revenues
Property and casualty insurance:
Premiums earned:
Specialty
Property and transportation	$	517		$	504	$	1,157		$	1,129
Specialty casualty	503			486		1,496			1,266
Specialty financial	131			115		380			348
Other specialty	22			27		71			74
Total premiums earned	1,173			1,132		3,104			2,817
Net investment income	83			76		245			219
Other income (*)	2			4		61			8
Total property and casualty insurance	1,258			1,212		3,410			3,044
Annuity:
Net investment income	317			287		915			851
Other income	22			20		68			57
Total annuity	339			307		983			908
Run-off long-term care and life	49			48		144			147
Other	49			1		137			41
Total revenues before realized gains (losses)	1,695			1,568		4,674			4,140
Realized gains (losses) on securities	(16		)	13		2			44
Realized gain (loss) on subsidiaries	5			—		(157		)	—
Total revenues	$	1,684		$	1,581	$	4,519		$	4,184

(*) Includes pretax income of $51 million (before noncontrolling interest) from the sale of the Le Pavillon Hotel in the second quarter of 2015.

	Three months ended September 30,						Nine months ended September 30,
	2015			2014			2015			2014
Earnings Before Income Taxes
Property and casualty insurance:
Underwriting:
Specialty
Property and transportation	$	20		$	11		$	14		$	(1	)
Specialty casualty	31			32			96			100
Specialty financial	26			21			72			46
Other specialty	7			6			13			13
Other lines (a)	(69		)	(24		)	(70		)	(25		)
Total underwriting	15			46			125			133
Investment and other income, net (b)	75			64			272			180
Total property and casualty insurance	90			110			397			313
Annuity	67			86			230			243
Run-off long-term care and life	6			1			14			(3		)
Other (c)	(53		)	(65		)	(131		)	(161		)
Total earnings before realized gains (losses) and income taxes	110			132			510			392
Realized gains (losses) on securities	(16		)	13			2			44
Realized gain (loss) on subsidiaries	5			—			(157		)	—
Total earnings before income taxes	$	99		$	145		$	355		$	436

(a) Includes special charges of $67 million and $24 million in the third quarter of 2015 and 2014, respectively, to increase asbestos and environmental (“A&E”) reserves.

(b) Includes pretax income of $51 million (before noncontrolling interest) from the sale of the Le Pavillon Hotel in the second quarter of 2015.

(c) Primarily holding company expenses, including a $4 million loss on retirement of debt in the third quarter of 2015 and special charges of $12 million and $6 million in the third quarters of 2015 and 2014, respectively, to increase A&E reserves related to AFG’s former railroad and manufacturing operations. Also includes losses of managed investment entities attributable to noncontrolling interest of $29 million for the third quarter and $47 million for the first nine months of 2014. Following the adoption of new guidance in the first quarter of 2015, there are no longer earnings (losses) of managed investment entities that are attributable to noncontrolling interests. See Note A — “Accounting Policies — Managed Investment Entities.”

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Income Taxes

9 Months Ended

Sep. 30, 2015

Income Tax Disclosure [Abstract]

Income Taxes

Income Taxes

The following is a reconciliation of income taxes at the statutory rate of 35% to the provision for income taxes as shown in the Statement of Earnings (dollars in millions):

	Three months ended September 30,										Nine months ended September 30,
	2015					2014					2015					2014
	Amount			% of EBT		Amount			% of EBT		Amount			% of EBT		Amount			% of EBT
Earnings before income taxes (“EBT”)	$	99				$	145				$	355				$	436
Income taxes at statutory rate	$	34		35	%	$	51		35	%	$	124		35	%	$	153		35	%
Effect of:
Tax exempt interest	(6		)	(6	%)	(6		)	(4	%)	(20		)	(6	%)	(18		)	(4	%)
Change in valuation allowance	8			8	%	(1		)	(1	%)	8			2	%	2			1	%
Losses of managed investment entities	—			—	%	10			7	%	—			—	%	16			4	%
Subsidiaries not in AFG’s tax return	—			—	%	1			1	%	2			1	%	—			—	%
Other	(3		)	(4	%)	(1		)	(1	%)	1			—	%	2			—	%
Provision for income taxes as shown in the Statement of Earnings	$	33		33	%	$	54		37	%	$	115		32	%	$	155		36	%

During the first nine months of 2015, there were no material changes to AFG’s liability for uncertain tax positions.

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Managed Investment Entities

9 Months Ended

Sep. 30, 2015

Variable Interest Entity, Primary Beneficiary, Does Not Hold Majority Voting Interest, Disclosures [Abstract]

Managed Investment Entities

Managed Investment Entities

AFG is the investment manager and its subsidiaries have investments ranging from 15.0% to 51.2% of the most subordinate debt tranche of thirteen collateralized loan obligation entities or “CLOs,” which are considered variable interest entities. AFG’s subsidiaries also own portions of the senior debt tranches of certain of these CLOs. Upon formation between 2004 and 2015, these entities issued securities in various senior and subordinate classes and invested the proceeds primarily in secured bank loans, which serve as collateral for the debt securities issued by each particular CLO. None of the collateral was purchased from AFG. AFG’s investments in the subordinate debt tranches of these entities receive residual income from the CLOs only after the CLOs pay expenses (including management fees to AFG), and interest on and returns of capital to senior levels of debt securities. There are no contractual requirements for AFG to provide additional funding for these entities. AFG has not provided and does not intend to provide any financial support to these entities.

AFG’s maximum exposure to economic loss on its CLOs is limited to its investment in the CLOs, which had an aggregate fair value of $326 million (including $93 million invested in the most subordinate debt tranches) at September 30, 2015, and $289 million at December 31, 2014.

In May 2015, AFG formed a new CLO, which issued $511 million face amount of liabilities (including $45 million face amount purchased by subsidiaries of AFG). During the first nine months of 2014, AFG subsidiaries purchased $8 million face amount of senior debt tranches of existing CLOs for $8 million. During the first nine months of 2015 and 2014, AFG subsidiaries received redemption proceeds of $1 million and $57 million, respectively, from its CLO investments.

The revenues and expenses of the CLOs are separately identified in AFG’s Statement of Earnings, after the elimination of management fees and earnings attributable to shareholders of AFG as measured by the change in the fair value of AFG’s investments in the CLOs. See Note A — “Accounting Policies — Managed Investment Entities,” for a discussion of accounting guidance adopted on January 1, 2015 that impacts the measurement of the fair value of CLO liabilities. Selected financial information related to the CLOs is shown below (in millions):

	Three months ended September 30,						Nine months ended September 30,
	2015			2014			2015			2014
Gains (losses) on change in fair value of assets/liabilities (a):
Assets	$	(53	)	$	(30	)	$	(27	)	$	(32	)
Liabilities	42			5			11			(3		)
Management fees paid to AFG	4			7			11			18
CLO earnings (losses) attributable to (b):
AFG shareholders	(3		)	7			5			18
Noncontrolling interests	—			(29		)	—			(47		)

(a) Included in Revenues in AFG’s Statement of Earnings.

(b) Included in Earnings before income taxes in AFG’s Statement of Earnings.

The aggregate unpaid principal balance of the CLOs’ fixed maturity investments exceeded the fair value of the investments by $118 million and $83 million at September 30, 2015 and December 31, 2014. The aggregate unpaid principal balance of the CLOs’ debt exceeded its carrying value by $164 million and $131 million at those dates. The CLO assets include $1 million and $2 million in loans at September 30, 2015 and December 31, 2014, respectively, for which the CLOs are not accruing interest because the loans are in default (aggregate unpaid principal balance of $10 million and $6 million at those dates, respectively).

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Managed Investment Entities (Details) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
		Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Gains (losses) on change in fair value of assets/liabilities:
Assets	[1]	$ (53)	$ (30)	$ (27)	$ (32)
Liabilities	[1]	42	5	11	(3)
Management fees paid to AFG		4	7	11	18
CLO earnings (losses) attributable to:
AFG shareholders	[2]	(3)	7	5	18
Noncontrolling interests	[2]	$ 0	$ (29)	$ 0	$ (47)

[1] Included in Revenues in AFG’s Statement of Earnings.

[2] Included in Earnings before income taxes in AFG’s Statement of Earnings.

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Derivatives

9 Months Ended

Sep. 30, 2015

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Derivatives

Derivatives

As discussed under “Derivatives” in Note A — “Accounting Policies” to the financial statements, AFG uses derivatives in certain areas of its operations.

Derivatives That Do Not Qualify for Hedge Accounting   The following derivatives that do not qualify for hedge accounting under GAAP are included in AFG’s Balance Sheet at fair value (in millions):

		September 30, 2015				December 31, 2014
Derivative	Balance Sheet Line	Asset		Liability		Asset		Liability
MBS with embedded derivatives	Fixed maturities	$	162	$	—	$	158	$	—
Public company warrants	Equity securities	—		—		19		—
Fixed-indexed annuities (embedded derivative)	Annuity benefits accumulated	—		1,198		—		1,160
Equity index call options	Other investments	122		—		322		—
Reinsurance contracts (embedded derivative)	Other liabilities	—		9		—		13
		$	284	$	1,207	$	499	$	1,173

The MBS with embedded derivatives consist primarily of interest-only MBS with interest rates that float inversely with short-term rates. AFG records the entire change in the fair value of these securities in earnings. These investments are part of AFG’s overall investment strategy and represent a small component of AFG’s investment portfolio.

Warrants to purchase shares of publicly traded companies, which represent a small component of AFG’s overall investment portfolio, are considered to be derivatives that must be marked to market through earnings. AFG exercised its most significant warrant position in the first quarter of 2015.

AFG’s fixed-indexed annuities, which represented approximately 60% of annuity benefits accumulated at September 30, 2015, provide policyholders with a crediting rate tied, in part, to the performance of an existing stock market index. AFG attempts to mitigate the risk in the index-based component of these products through the purchase of call options on the appropriate index. AFG receives collateral from its counterparties to support its purchased call option assets. This collateral ($88 million at September 30, 2015) is included in other assets in AFG’s Balance Sheet with an offsetting liability to return the collateral, which is included in other liabilities. AFG’s strategy is designed so that an increase in the liabilities, due to an increase in the market index, will be generally offset by unrealized and realized gains on the call options purchased by AFG. Both the index-based component of the annuities and the related call options are considered derivatives. Fluctuations in interest rates and the stock market, among other factors, can cause volatility in the periodic measurement of fair value of the embedded derivative that management believes can be inconsistent with the long-term economics of these products.

As discussed under “Reinsurance” in Note Ato the financial statements, certain reinsurance contracts are considered to contain embedded derivatives.

The following table summarizes the gain (loss) included in the Statement of Earnings for changes in the fair value of derivatives that do not qualify for hedge accounting for the third quarter and first nine months of 2015 and 2014 (in millions):

		Three months ended September 30,						Nine months ended September 30,
Derivative	Statement of Earnings Line	2015			2014			2015			2014
MBS with embedded derivatives	Realized gains on securities	$	(4	)	$	—		$	(7	)	$	7
Public company warrants	Realized gains on securities	—			—			—			(2		)
Interest rate swaptions	Realized gains on securities	—			—			—			(2		)
Fixed-indexed annuities (embedded derivative)	Annuity benefits	130			(21		)	99			(153		)
Equity index call options	Annuity benefits	(167		)	19			(144		)	112
Reinsurance contracts (embedded derivative)	Net investment income	1			1			4			(2		)
		$	(40	)	$	(1	)	$	(48	)	$	(40	)

Derivatives Designated and Qualifying as Cash Flow Hedges   In the second quarter of 2015, AFG entered into two interest rate swaps (a five-year, $195 million notional amount swap and a fifteen-year, $132 million notional amount swap) under which AFG receives fixed-rate interest payments in exchange for variable interest payments based on three-month LIBOR. In the third quarter of 2014, AFG entered into a five-year $431 million notional amount interest rate swap under which AFG receives fixed-rate interest payments in exchange for variable interest payments based on one-month LIBOR. The purpose of each of these swaps is to effectively convert a portion of AFG’s floating rate fixed maturity securities to fixed rates by offsetting the variability in cash flows attributable to changes in LIBOR.

The notional amounts amortize down over each swap’s respective life in anticipation of an expected decline in AFG’s portfolio of fixed maturity securities with floating interest rates based on LIBOR ($644 million and $401 million total notional amounts at September 30, 2015 and December 31, 2014, respectively). The fair value of the effective portion of the interest rate swaps, which were all in an asset position and included in other assets, was $8 million and less than $1 million at September 30, 2015 and December 31, 2014, respectively. The net unrealized gain or loss on cash flow hedges is included in AOCI, net of DPAC and tax. During the third quarter and first nine months of 2015, $2 million and $4 million, respectively, was reclassified from AOCI to net investment income. There was no ineffectiveness recorded in Net Earnings during these periods.

Derivative Designated and Qualifying as a Fair Value Hedge   In June 2015, AFG entered into an interest rate swap to mitigate the interest rate risk associated with its fixed-rate 9-7/8% Senior Notes due June 2019 by effectively converting the interest rate on those notes to a floating rate of three-month LIBOR plus 8.099% (8.4362% at September 30, 2015). Since the terms of the interest rate swap match the terms of the hedged debt, changes in the fair value of the interest rate swap are offset by changes in the fair value of the hedged debt attributable to changes in interest rates. The fair value of the interest rate swap (an asset of $7 million at September 30, 2015) and the offsetting adjustment to the carrying value of the 9-7/8% Senior Notes are both included in long-term debt on AFG’s Balance Sheet. Accordingly, the net impact on AFG’s current period earnings is that the interest expense associated with the hedged debt is effectively recorded at the floating rate. The net reduction in interest expense from the swap for both the third quarter and first nine months of 2015 was $1 million.

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Deferred Policy Acquisition Costs

9 Months Ended

Sep. 30, 2015

Deferred Policy Acquisition Costs Disclosures [Abstract]

Deferred Policy Acquisition Costs

Deferred Policy Acquisition Costs

A progression of deferred policy acquisition costs is presented below (in millions):

	P&C			Annuity and Run-off Long-term Care and Life
	Deferred			Deferred			Sales												Consolidated
	Costs			Costs			Inducements			PVFP			Unrealized			Total			Total
Balance at June 30, 2015	$	223		$	934		$	123		$	68		$	(383	)	$	742		$	965
Additions	138			74			3			—			—			77			215
Amortization:
Periodic amortization	(132		)	(36		)	(6		)	(3		)	—			(45		)	(177		)
Included in realized gains	—			3			—			—			—			3			3
Foreign currency translation	(2		)	—			—			—			—			—			(2		)
Change in unrealized	—			—			—			—			(11		)	(11		)	(11		)
Balance at September 30, 2015	$	227		$	975		$	120		$	65		$	(394	)	$	766		$	993
Balance at June 30, 2014	$	219		$	918		$	141		$	79		$	(551	)	$	587		$	806
Additions	129			42			1			—			—			43			172
Amortization:
Periodic amortization	(127		)	(38		)	(7		)	(3		)	—			(48		)	(175		)
Included in realized gains	—			1			1			—			—			2			2
Foreign currency translation	(2		)	—			—			—			—			—			(2		)
Change in unrealized	—			—			—			—			55			55			55
Balance at September 30, 2014	$	219		$	923		$	136		$	76		$	(496	)	$	639		$	858
Balance at December 31, 2014	$	221		$	925		$	132		$	74		$	(531	)	$	600		$	821
Additions	396			164			7			—			—			171			567
Amortization:
Periodic amortization	(388		)	(120		)	(20		)	(9		)	—			(149		)	(537		)
Included in realized gains	—			6			1			—			—			7			7
Foreign currency translation	(2		)	—			—			—			—			—			(2		)
Change in unrealized	—			—			—			—			137			137			137
Balance at September 30, 2015	$	227		$	975		$	120		$	65		$	(394	)	$	766		$	993
Balance at December 31, 2013	$	211		$	875		$	149		$	85		$	(345	)	$	764		$	975
Additions	380			144			6			—			—			150			530
Amortization:
Periodic amortization	(371		)	(98		)	(20		)	(9		)	—			(127		)	(498		)
Included in realized gains	—			2			1			—			—			3			3
Foreign currency translation	(1		)	—			—			—			—			—			(1		)
Change in unrealized	—			—			—			—			(151		)	(151		)	(151		)
Balance at September 30, 2014	$	219		$	923		$	136		$	76		$	(496	)	$	639		$	858

The present value of future profits (“PVFP”) amounts in the table above are net of $218 million and $209 million of accumulated amortization at September 30, 2015 and December 31, 2014, respectively.

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Goodwill and Other Intangibles

9 Months Ended

Sep. 30, 2015

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Other Intangibles

Goodwill and Other Intangibles

There were no changes in the goodwill balance of $201 million during the first nine months of 2015. Included in other assets in AFG’s Balance Sheet is $43 million at September 30, 2015 and $49 million at December 31, 2014 in amortizable intangible assets related to property and casualty insurance acquisitions. These amounts are net of accumulated amortization of $16 million and $91 million, respectively. Amortization of intangibles was $2 million and $6 million in the third quarters and $6 million and $14 million in the first nine months of 2015 and 2014, respectively.

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Long-Term Debt (Details 1) - USD ($) $ in Millions	Sep. 30, 2015	Dec. 31, 2014
Summary showing division of total long term debt
Obligations secured by real estate	$ 10	$ 59
Long-term debt	880	1,061
Senior unsecured obligations [Member]
Summary showing division of total long term debt
Unsecured obligations	720	852
Subordinated unsecured obligations [Member]
Summary showing division of total long term debt
Unsecured obligations	$ 150	$ 150

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Shareholders' Equity (Details)	Sep. 30, 2015 $ / shares shares
Voting Preferred Stock [Member]
Class of Stock [Line Items]
Preferred Stock, par value | $ / shares	$ 0
Preferred Stock, shares authorized	12,500,000.0
Nonvoting Preferred Stock [Member]
Class of Stock [Line Items]
Preferred Stock, par value | $ / shares	$ 0
Preferred Stock, shares authorized	12,500,000.0

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Long-Term Debt (Details) - USD ($) $ in Millions	Sep. 30, 2015	Dec. 31, 2014
Summary of Carrying value of long-term debt
Long-term debt	$ 880	$ 1,061
Notes payable secured by real estate due 2015 through 2016	10	59
AFG [Member]
Summary of Carrying value of long-term debt
Other long-term debt	3	3
Long-term debt	708	840
Subsidiaries [Member]
Summary of Carrying value of long-term debt
Long-term debt	22	71
Notes payable secured by real estate due 2015 through 2016	10	59
National Interstate bank credit facility	12	12
Senior Notes [Member] | 9-7/8% Senior Notes due June 2019 [Member] | AFG [Member]
Summary of Carrying value of long-term debt
Senior Notes	350	350
Senior Notes [Member] | 6-3/8% Senior Notes due June 2042 [Member] | AFG [Member]
Summary of Carrying value of long-term debt
Senior Notes	230	230
Senior Notes [Member] | 5-3/4% Senior Notes due August 2042 [Member] | AFG [Member]
Summary of Carrying value of long-term debt
Senior Notes	125	125
Senior Notes [Member] | 7% Senior Notes due September 2050 [Member]
Summary of Carrying value of long-term debt
Senior Notes	132
Senior Notes [Member] | 7% Senior Notes due September 2050 [Member] | AFG [Member]
Summary of Carrying value of long-term debt
Senior Notes	0	132
Subordinated Debt [Member] | 6-1/4% Subordinated Debentures due September 2054 [Member] | AFG [Member]
Summary of Carrying value of long-term debt
Subordinated Debentures	$ 150	$ 150

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Acquisitions and Sale of Businesses (Details 1) - Run-off long-term care insurance business [Member] $ in Millions	3 Months Ended
	Mar. 31, 2015 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Estimated sale proceeds	$ 14	[1]
Assets of businesses sold:
Cash and investments	1,397
Recoverables from reinsurers	603
Deferred policy acquisition costs	15
Other receivables	14
Other assets	7
Goodwill	2
Total assets	2,038
Liabilities of businesses sold:
Annuity benefits accumulated	270
Life, accident and health reserves	1,537
Other liabilities	27
Total liabilities	1,834
Reclassify net unrealized gain on marketable securities	28
Net assets of businesses sold	176
Pretax loss on subsidiaries recorded in the first quarter of 2015	$ (162)

[1] Includes fair value of the potential additional consideration and is shown net of estimated expenses.

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Investments (Details 5) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Net Investment Income [Line Items]
Investment income	$ 430	$ 380	$ 1,231	$ 1,126
Investment expenses	(5)	(3)	(14)	(9)
Net investment income	425	377	1,217	1,117
Fixed maturities [Member]
Net Investment Income [Line Items]
Investment income	370	342	1,082	1,007
Equity securities [Member]
Net Investment Income [Line Items]
Investment income	20	16	54	48
Equity method investments [Member]
Net Investment Income [Line Items]
Investment income	18	2	26	15
Other [Member]
Net Investment Income [Line Items]
Investment income	$ 22	$ 20	$ 69	$ 56

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Accounting Policies (Policies)

9 Months Ended

Sep. 30, 2015

Accounting Policies [Abstract]

Basis of Presentation

Basis of Presentation   The accompanying consolidated financial statements for American Financial Group, Inc. and its subsidiaries (“AFG”) are unaudited; however, management believes that all adjustments (consisting only of normal recurring accruals unless otherwise disclosed herein) necessary for fair presentation have been made. The results of operations for interim periods are not necessarily indicative of results to be expected for the year. The financial statements have been prepared in accordance with the instructions to Form 10-Q and, therefore, do not include all information and footnotes necessary to be in conformity with U.S. generally accepted accounting principles (“GAAP”).

Certain reclassifications have been made to prior periods to conform to the current year’s presentation. All significant intercompany balances and transactions have been eliminated. The results of operations of companies since their formation or acquisition are included in the consolidated financial statements. Events or transactions occurring subsequent to September 30, 2015, and prior to the filing of this Form 10-Q, have been evaluated for potential recognition or disclosure herein.

The preparation of the financial statements requires management to make estimates and assumptions that affect the amounts reported in the financial statements and accompanying notes. Changes in circumstances could cause actual results to differ materially from those estimates.

Fair Value Measurements

Fair Value Measurements   Accounting standards define fair value as the price that would be received to sell an asset or paid to transfer a liability (an exit price) in an orderly transaction between market participants on the measurement date. The standards establish a hierarchy of valuation techniques based on whether the assumptions that market participants would use in pricing the asset or liability (“inputs”) are observable or unobservable. Observable inputs reflect market data obtained from independent sources, while unobservable inputs reflect AFG’s assumptions about the assumptions market participants would use in pricing the asset or liability. Other than recording an estimated loss on the pending sale of its long-term care business (see Note B — “Acquisitions and Sale of Businesses”),AFG did not have any significant nonrecurring fair value measurements in the first nine months of 2015.

Investments

Investments   Fixed maturity and equity securities classified as “available for sale” are reported at fair value with unrealized gains and losses included in accumulated other comprehensive income (“AOCI”) in AFG’s Balance Sheet. Fixed maturity and equity securities classified as “trading” are reported at fair value with changes in unrealized holding gains or losses during the period included in net investment income. Mortgage and policy loans are carried primarily at the aggregate unpaid balance.

Premiums and discounts on fixed maturity securities are amortized using the interest method. Mortgage-backed securities (“MBS”) are amortized over a period based on estimated future principal payments, including prepayments. Prepayment assumptions are reviewed periodically and adjusted to reflect actual prepayments and changes in expectations.

Gains or losses on securities are determined on the specific identification basis. When a decline in the value of a specific investment is considered to be other-than-temporary at the balance sheet date, a provision for impairment is charged to earnings (included in realized gains (losses) on securities) and the cost basis of that investment is reduced. If management can assert that it does not intend to sell an impaired fixed maturity security and it is not more likely than not that it will have to sell the security before recovery of its amortized cost basis, then the other-than-temporary impairment is separated into two components: (i) the amount related to credit losses (recorded in earnings) and (ii) the amount related to all other factors (recorded in other comprehensive income). The credit-related portion of an other-than-temporary impairment is measured by comparing a security’s amortized cost to the present value of its current expected cash flows discounted at its effective yield prior to the impairment charge. Both components are shown in the Statement of Earnings. If management intends to sell an impaired security, or it is more likely than not that it will be required to sell the security before recovery, an impairment charge to earnings is recorded to reduce the amortized cost of that security to fair value.

Derivatives

Derivatives Derivatives included in AFG’s Balance Sheet are recorded at fair value. Changes in fair value of derivatives are included in earnings, unless the derivatives are designated and qualify as highly effective cash flow hedges. Derivatives that do not qualify for hedge accounting under GAAP consist primarily of (i) components of certain fixed maturity securities (primarily interest-only MBS) and (ii) the equity-based component of certain annuity products (included in annuity benefits accumulated) and related call options (included in other investments) designed to be consistent with the characteristics of the liabilities and used to mitigate the risk embedded in those annuity products.

To qualify for hedge accounting, at the inception of a derivative contract, AFG formally documents the relationship between the terms of the hedge and the hedged items and its risk management objective. This documentation includes defining how hedge effectiveness and ineffectiveness will be measured on a retrospective and prospective basis.

Changes in the fair value of derivatives that are designated and qualify as highly effective cash flow hedges are recorded in AOCI and are reclassified into earnings when the variability of the cash flows from the hedged items impacts earnings. Any hedge ineffectiveness is immediately recorded in current period earnings. When the change in the fair value of a qualifying cash flow hedge is included in earnings, it is included in the same line item in the Consolidated Statement of Earnings as the cash flows from the hedged item. AFG uses interest rate swaps that qualify as highly effective cash flow hedges to mitigate interest rate risk related to certain floating-rate securities included in AFG’s portfolio of fixed maturity securities.

For derivatives that are designated and qualify as highly effective fair value hedges, changes in the fair value of the derivative, along with changes in the fair value of the hedged item attributable to the hedged risk, are recognized in current period earnings. AFG has entered into an interest rate swap that qualifies as a highly effective fair value hedge to mitigate the interest rate risk associated with fixed-rate long-term debt by economically converting certain fixed-rate debt obligations to floating-rate obligations. Since the terms of the swap match the terms of the hedged debt, changes in the fair value of the swap are offset by changes in the fair value of the hedged debt attributable to changes in interest rates. Accordingly, the net impact on AFG’s current period earnings is that the interest expense associated with the hedged debt is effectively recorded at the floating rate.

Goodwill

Goodwill   Goodwill represents the excess of cost of subsidiaries over AFG’s equity in their underlying net assets. Goodwill is not amortized, but is subject to an impairment test at least annually. An entity is not required to complete the quantitative annual goodwill impairment test on a reporting unit if the entity elects to perform a qualitative analysis and determines that it is more likely than not that the reporting unit’s fair value exceeds its carrying amount.

Reinsurance

Reinsurance Amounts recoverable from reinsurers are estimated in a manner consistent with the claim liability associated with the reinsured policies. AFG’s property and casualty insurance subsidiaries report as assets (i) the estimated reinsurance recoverable on paid and unpaid losses, including an estimate for losses incurred but not reported, and (ii) amounts paid or due to reinsurers applicable to the unexpired terms of policies in force. Payable to reinsurers includes ceded premiums due to reinsurers as well as ceded premiums retained by AFG’s property and casualty insurance subsidiaries under contracts to fund ceded losses as they become due. AFG’s insurance subsidiaries also assume reinsurance from other companies. Earnings on reinsurance assumed is recognized based on information received from ceding companies.

A subsidiary cedes life insurance policies to a third party on a funds withheld basis whereby the subsidiary retains the assets (securities) associated with the reinsurance contract. Interest is credited to the reinsurer based on the actual investment performance of the retained assets. This reinsurance contract is considered to contain an embedded derivative (that must be adjusted to fair value) because the yield on the payable is based on a specific block of the ceding company’s assets, rather than the overall creditworthiness of the ceding company. AFG determined that changes in the fair value of the underlying portfolio of fixed maturity securities is an appropriate measure of the value of the embedded derivative. The securities related to this contract are classified as “trading.” The adjustment to fair value on the embedded derivative offsets the investment income recorded on the adjustment to fair value of the related trading portfolio.

Deferred Policy Acquisition Costs (DPAC)

Deferred Policy Acquisition Costs (“DPAC”)   Policy acquisition costs (principally commissions, premium taxes and certain underwriting and policy issuance costs) directly related to the successful acquisition or renewal of an insurance contract are deferred. DPAC also includes capitalized costs associated with sales inducements offered to fixed annuity policyholders such as enhanced interest rates and premium and persistency bonuses.

For the property and casualty companies, DPAC is limited based upon recoverability without any consideration for anticipated investment income and is charged against income ratably over the terms of the related policies. A premium deficiency is recognized if the sum of expected claims costs, claims adjustment expenses and unamortized acquisition costs exceed the related unearned premiums. A premium deficiency is first recognized by charging any unamortized acquisition costs to expense to the extent required to eliminate the deficiency. If the premium deficiency is greater than unamortized acquisition costs, a liability is accrued for the excess deficiency and reported with unpaid losses and loss adjustment expenses.

DPAC related to annuities is deferred to the extent deemed recoverable and amortized, with interest, in relation to the present value of actual and expected gross profits on the policies. Expected gross profits consist principally of estimated future investment margin (estimated future net investment income less interest credited on policyholder funds) and surrender, mortality, and other life and annuity policy charges, less death, annuitization and guaranteed withdrawal benefits in excess of account balances and estimated future policy administration expenses. To the extent that realized gains and losses result in adjustments to the amortization of DPAC related to annuities, such adjustments are reflected as components of realized gains (losses) on securities.

DPAC related to traditional life and health insurance is amortized over the expected premium paying period of the related policies, in proportion to the ratio of annual premium revenues to total anticipated premium revenues. See “Life, Accident and Health Reserves” below for details on the impact of loss recognition on the accounting for traditional life and health insurance contracts.

DPAC includes the present value of future profits on business in force of annuity and life, accident and health insurance companies acquired (“PVFP”). PVFP represents the portion of the costs to acquire companies that is allocated to the value of the right to receive future cash flows from insurance contracts existing at the date of acquisition. PVFP is amortized with interest in relation to expected gross profits of the acquired policies for annuities and universal life products and in relation to the premium paying period for traditional life and health insurance products.

DPAC and certain other balance sheet amounts related to annuity, long-term care and life businesses are also adjusted, net of tax, for the change in expense that would have been recorded if the unrealized gains (losses) from securities had actually been realized. These adjustments are included in unrealized gains (losses) on marketable securities, a component of AOCI in AFG’s Balance Sheet.

Managed Investment Entities

Managed Investment EntitiesA company is considered the primary beneficiary of, and therefore must consolidate, a variable interest entity (“VIE”) based primarily on its ability to direct the activities of the VIE that most significantly impact that entity’s economic performance and the obligation to absorb losses of, or receive benefits from, the entity that could potentially be significant to the VIE.

AFG manages, and has investments in, collateralized loan obligations (“CLOs”) that are VIEs (see Note H — “Managed Investment Entities”). Both the management fees (payment of which is subordinate to other obligations of the CLOs) and the investments in the CLOs are considered variable interests. AFG has determined that it is the primary beneficiary of the CLOs because (i) its role as asset manager gives it the power to direct the activities that most significantly impact the economic performance of the CLOs and (ii) it has exposure to CLO losses (through its investments in the CLO debt tranches) and the right to receive benefits (through its subordinated management fees and returns on its investments), both of which could potentially be significant to the CLOs.

In February 2015, the Financial Accounting Standards Board issued Accounting Standards Update (“ASU”) 2015-02, which amends certain consolidation accounting guidance, including the VIE guidance that applies to collateralized financing entities such as CLOs. The new guidance, which AFG intends to adopt effective January 1, 2016, will affect how fee arrangements with CLO asset managers impact the determination of the primary beneficiary of these entities. Due to the significance of AFG’s investments in the CLOs that it manages, management does not expect the new guidance to impact the consolidation of its currently outstanding CLOs. The new guidance also impacts the consolidation analysis that applies to limited partnerships and similar entities. Management does not expect this guidance to impact the accounting for AFG’s existing investments in those entities.

Because AFG has no right to use the CLO assets and no obligation to pay the CLO liabilities, the assets and liabilities of the CLOs are shown separately in AFG’s Balance Sheet. AFG has elected the fair value option for reporting on the CLO assets and liabilities to improve the transparency of financial reporting related to the CLOs. The net gain or loss from accounting for the CLO assets and liabilities at fair value is presented separately in AFG’s Statement of Earnings.

Effective January 1, 2015, AFG adopted (on a modified retrospective basis) ASU 2014-13, which addresses the diversity in practice regarding the accounting for assets and liabilities of a consolidated collateralized financing entity (such as a CLO) when an election has been made to account for that entity’s assets and liabilities at fair value. The fair values of a CLO’s assets may differ from the separately measured fair values of its liabilities even though the CLO liabilities only have recourse to the CLO assets. Under the new guidance, AFG has elected to set the carrying value of the CLO liabilities equal to the fair value of the CLO assets (which have more observable fair values) as an alternative to reporting those liabilities at a separately measured fair value. CLO earnings attributable to AFG’s shareholders continue to be measured by the change in the fair value of AFG’s investments in the CLOs and management fees earned.

Prior to the adoption of this guidance, measuring both the CLO assets and CLO liabilities at separately determined fair values resulted in a difference between the carrying value of the CLO assets and the carrying value of the CLO liabilities that was not attributable to AFG’s ownership interest in the CLOs and CLO earnings (losses) that were not attributable to AFG’s shareholders. Accordingly, in periods prior to 2015, the difference between the fair value of the CLO assets and the fair value of the CLO liabilities was recorded as “appropriated retained earnings — managed investment entities” in AFG’s Balance Sheet and the earnings (losses) that were not attributable to AFG’s shareholders were included in net earnings (loss) attributable to noncontrolling interests in AFG’s Statement of Earnings.

Under the guidance adopted in 2015, there is no longer any excess carrying value of CLO assets over the carrying value of CLO liabilities to be reported as “appropriated retained earnings — managed investment entities” in AFG’s Balance Sheet or any CLO earnings to be attributed to noncontrolling interests in AFG’s Statement of Earnings. In accordance with the guidance, the amount reported as “appropriated retained earnings — managed investment entities” at December 31, 2014 was reclassified to “liabilities of managed investment entities” on January 1, 2015 as the cumulative effect of an accounting change. While the new guidance impacted the presentation of individual CLO-related line items in AFG’s Statement of Earnings, it had no overall impact on AFG’s Net Earnings Attributable to Shareholders.

At September 30, 2015, assets and liabilities of managed investment entities included $92 million in assets and $77 million in liabilities of a temporary warehousing entity that was established in connection with the formation of a new CLO that is expected to close in the first quarter of 2016. Upon closing, all warehoused assets are expected to be transferred to the new CLO and the liabilities will be repaid.

Unpaid Losses and Loss Adjustment Expenses

Unpaid Losses and Loss Adjustment Expenses   The net liabilities stated for unpaid claims and for expenses of investigation and adjustment of unpaid claims represent management’s best estimate and are based upon (i) the accumulation of case estimates for losses reported prior to the close of the accounting period on direct business written; (ii) estimates received from ceding reinsurers and insurance pools and associations; (iii) estimates of unreported losses (including possible development on known claims) based on past experience; (iv) estimates based on experience of expenses for investigating and adjusting claims; and (v) the current state of the law and coverage litigation. Establishing reserves for asbestos, environmental and other mass tort claims involves considerably more judgment than other types of claims due to, among other things, inconsistent court decisions, an increase in bankruptcy filings as a result of asbestos-related liabilities, novel theories of coverage, and judicial interpretations that often expand theories of recovery and broaden the scope of coverage.

Loss reserve liabilities are subject to the impact of changes in claim amounts and frequency and other factors. Changes in estimates of the liabilities for losses and loss adjustment expenses are reflected in the Statement of Earnings in the period in which determined. Despite the variability inherent in such estimates, management believes that the liabilities for unpaid losses and loss adjustment expenses are adequate.

Annuity Benefits Accumulated

Annuity Benefits Accumulated   Annuity receipts and benefit payments are recorded as increases or decreases in annuity benefits accumulated rather than as revenue and expense. Increases in this liability for interest credited are charged to expense and decreases for policy charges are credited to other income.

For certain products, annuity benefits accumulated also includes reserves for accrued persistency and premium bonuses, guaranteed withdrawals and excess benefits expected to be paid on future deaths and annuitizations (“EDAR”). The liabilities for EDAR and guaranteed withdrawals are accrued for and modified using assumptions consistent with those used in determining DPAC and DPAC amortization, except that amounts are determined in relation to the present value of total expected assessments. Total expected assessments consist principally of estimated future investment margin, surrender, mortality, and other life and annuity policy charges, and unearned revenues once they are recognized as income.

Annuity benefits accumulated also includes amounts advanced from the Federal Home Loan Bank of Cincinnati.

Unearned Revenue

Unearned Revenue   Certain upfront policy charges on annuities are deferred as unearned revenue (included in other liabilities) and recognized in net earnings using the same assumptions and estimated gross profits used to amortize DPAC.

Life, Accident and Health Reserves

Life, Accident and Health Reserves Liabilities for future policy benefits under traditional life, accident and health policies are computed using the net level premium method. Computations are based on the original projections of investment yields, mortality, morbidity and surrenders and include provisions for unfavorable deviations unless a loss recognition event (premium deficiency) occurs. Claim reserves and liabilities established for accident and health claims are modified as necessary to reflect actual experience and developing trends.

For long-duration contracts (such as traditional life and long-term care policies), loss recognition occurs when, based on current expectations as of the measurement date, existing contract liabilities plus the present value of future premiums (including reasonably expected rate increases) are not expected to cover the present value of future claims payments and related settlement and maintenance costs (excluding overhead) as well as unamortized acquisition costs. If a block of business is determined to be in loss recognition, a charge is recorded in earnings in an amount equal to the excess of the present value of expected future claims costs and unamortized acquisition costs over existing reserves plus the present value of expected future premiums (with no provision for adverse deviation). The charge is recorded first to reduce unamortized acquisition costs and then as an additional reserve (if unamortized acquisition costs have been reduced to zero).

In addition, reserves for traditional life and long-term care policies are subject to adjustment for loss recognition charges that would have been recorded if the unrealized gains from securities had actually been realized. This adjustment is included in unrealized gains (losses) on marketable securities, a component of AOCI in AFG’s Balance Sheet.

Variable Annuity Assets and Liabilities

Variable Annuity Assets and Liabilities   Separate accounts related to variable annuities represent the fair value of deposits invested in underlying investment funds on which AFG earns a fee. Investment funds are selected and may be changed only by the policyholder, who retains all investment risk.

AFG’s variable annuity contracts contain a guaranteed minimum death benefit (“GMDB”) to be paid if the policyholder dies before the annuity payout period commences. In periods of declining equity markets, the GMDB may exceed the value of the policyholder’s account. A GMDB liability is established for future excess death benefits using assumptions together with a range of reasonably possible scenarios for investment fund performance that are consistent with DPAC capitalization and amortization assumptions.

Premium Recognition

Premium Recognition   Property and casualty premiums are earned generally over the terms of the policies on a pro rata basis. Unearned premiums represent that portion of premiums written which is applicable to the unexpired terms of policies in force. On reinsurance assumed from other insurance companies or written through various underwriting organizations, unearned premiums are based on information received from such companies and organizations. For traditional life, accident and health products, premiums are recognized as revenue when legally collectible from policyholders. For interest-sensitive life and universal life products, premiums are recorded in a policyholder account, which is reflected as a liability. Revenue is recognized as amounts are assessed against the policyholder account for mortality coverage and contract expenses.

Noncontrolling Interests

Noncontrolling Interests   For Balance Sheet purposes, noncontrolling interests represents the interests of shareholders other than AFG in consolidated entities. In the Statement of Earnings, net earnings and losses attributable to noncontrolling interests represents such shareholders’ interest in the earnings and losses of those entities.

Income Taxes

Income Taxes   Deferred income taxes are calculated using the liability method. Under this method, deferred income tax assets and liabilities are determined based on differences between financial reporting and tax bases and are measured using enacted tax rates. A valuation allowance is established to reduce total deferred tax assets to an amount that will more likely than not be realized.

AFG recognizes the tax benefits of uncertain tax positions only when the position is more likely than not to be sustained under examination by the appropriate taxing authority. Interest and penalties on AFG’s reserve for uncertain tax positions are recognized as a component of tax expense.

Stock-Based Compensation

Stock-Based Compensation   All share-based grants are recognized as compensation expense on a straight-line basis over their vesting periods based on their calculated fair value at the date of grant. AFG uses the Black-Scholes pricing model to measure the fair value of employee stock options. See Note K —“Shareholders’ Equity” for further information.

Benefit Plans

Benefit Plans   AFG provides retirement benefits to qualified employees of participating companies through the AFG 401(k) Retirement and Savings Plan, a defined contribution plan. AFG makes all contributions to the retirement fund portion of the plan and matches a percentage of employee contributions to the savings fund. Company contributions are expensed in the year for which they are declared. AFG and many of its subsidiaries provide health care and life insurance benefits to eligible retirees. AFG also provides postemployment benefits to former or inactive employees (primarily those on disability) who were not deemed retired under other company plans. The projected future cost of providing these benefits is expensed over the period employees earn such benefits.

Earnings Per Share

Earnings Per Share   Although basic earnings per share only considers shares of common stock outstanding during the period, the calculation of diluted earnings per share includes the following adjustments to weighted average common shares related to stock-based compensation plans: third quarter of 2015 and 2014 — 1.8 million and 1.9 million; first nine months of 2015 and 2014 — 1.8 million and 2.0 million, respectively.

AFG’s weighted average diluted shares outstanding excludes the following anti-dilutive potential common shares related to stock compensation plans: third quarter of 2015 and 2014 — 0.9 million and 1.2 million; first nine months of 2015 and 2014 — 1.2 million and 1.0 million, respectively. Adjustments to net earnings attributable to shareholders in the calculation of diluted earnings per share were nominal in the 2015 and 2014 periods.

Statement of Cash Flows

Statement of Cash Flows   For cash flow purposes, “investing activities” are defined as making and collecting loans and acquiring and disposing of debt or equity instruments and property and equipment. “Financing activities” include obtaining resources from owners and providing them with a return on their investments, borrowing money and repaying amounts borrowed. Annuity receipts, surrenders, benefits and withdrawals are also reflected as financing activities. All other activities are considered “operating.” Short-term investments having original maturities of three months or less when purchased are considered to be cash equivalents for purposes of the financial statements.

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Derivatives (Tables)

9 Months Ended

Sep. 30, 2015

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Derivatives included in Balance Sheet at fair value

The following derivatives that do not qualify for hedge accounting under GAAP are included in AFG’s Balance Sheet at fair value (in millions):

		September 30, 2015				December 31, 2014
Derivative	Balance Sheet Line	Asset		Liability		Asset		Liability
MBS with embedded derivatives	Fixed maturities	$	162	$	—	$	158	$	—
Public company warrants	Equity securities	—		—		19		—
Fixed-indexed annuities (embedded derivative)	Annuity benefits accumulated	—		1,198		—		1,160
Equity index call options	Other investments	122		—		322		—
Reinsurance contracts (embedded derivative)	Other liabilities	—		9		—		13
		$	284	$	1,207	$	499	$	1,173

Summary of gain (loss) included in the Statement of Earnings for changes in the fair value of derivatives

The following table summarizes the gain (loss) included in the Statement of Earnings for changes in the fair value of derivatives that do not qualify for hedge accounting for the third quarter and first nine months of 2015 and 2014 (in millions):

		Three months ended September 30,						Nine months ended September 30,
Derivative	Statement of Earnings Line	2015			2014			2015			2014
MBS with embedded derivatives	Realized gains on securities	$	(4	)	$	—		$	(7	)	$	7
Public company warrants	Realized gains on securities	—			—			—			(2		)
Interest rate swaptions	Realized gains on securities	—			—			—			(2		)
Fixed-indexed annuities (embedded derivative)	Annuity benefits	130			(21		)	99			(153		)
Equity index call options	Annuity benefits	(167		)	19			(144		)	112
Reinsurance contracts (embedded derivative)	Net investment income	1			1			4			(2		)
		$	(40	)	$	(1	)	$	(48	)	$	(40	)

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Investments (Details 3) - Fixed Maturity [Member] $ in Millions	Sep. 30, 2015 USD ($)
Amortized Cost Basis, Fiscal Year Maturity [Abstract]
One year or less	$ 1,016
After one year through five years	5,300
After five years through ten years	10,439
After ten years	4,715
Fixed maturities amortized cost, Subtotal	21,470
ABS (average life of approximately 5 years)	4,673
MBS (average life of approximately 4-1/2 years)	5,725
Amortized Cost	31,868
Fair Value, Fiscal Year Maturity [Abstract]
One year or less	1,032
After one year through five years	5,604
After five years through ten years	10,679
After ten years	4,922
Fixed maturities fair value, Subtotal	22,237
ABS (average life of approximately 5 years)	4,701
MBS (average life of approximately 4-1/2 years)	6,176
Fair Value	$ 33,114
Fair Value Percent, Fiscal Year Maturity [Abstract]
One year or less	3.00%
After one year through five years	17.00%
After five years through ten years	32.00%
After ten years	15.00%
Fixed maturities fair value, Subtotal, Percent	67.00%
ABS (average life of approximately 5 years)	14.00%
MBS (average life of approximately 4-1/2 years)	19.00%
Fair value, Total, Percent	100.00%

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Fair Value Measurements (Details 1) - Embedded derivatives [Member]	9 Months Ended
	Sep. 30, 2015
Unobservable inputs used by management in determining fair value of embedded derivatives
Risk margin for uncertainty in cash flows	0.52%
Minimum [Member]
Unobservable inputs used by management in determining fair value of embedded derivatives
Adjustment for insurance subsidiary's credit risk	0.30%
Surrenders	4.00%
Partial surrenders	2.00%
Annuitizations	1.00%
Deaths	1.50%
Budgeted option costs	2.25%
Maximum [Member]
Unobservable inputs used by management in determining fair value of embedded derivatives
Adjustment for insurance subsidiary's credit risk	2.60%
Surrenders	16.00%
Partial surrenders	10.00%
Annuitizations	1.50%
Deaths	3.00%
Budgeted option costs	3.50%

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Consolidated Statement of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Statement of Comprehensive Income [Abstract]
Net earnings, including noncontrolling interests	$ 66	$ 91	$ 240	$ 281
Net unrealized gains (losses) on securities:
Unrealized holding gains (losses) on securities arising during the period	(110)	(73)	(255)	194
Reclassification adjustment for realized (gains) losses included in net earnings	10	(8)	(3)	(28)
Total net unrealized gains (losses) on securities	(100)	(81)	(258)	166
Net unrealized gains on cash flow hedges	2	0	2	0
Foreign currency translation adjustments	(7)	(2)	(15)	(5)
Pension and other postretirement plans adjustments	1	0	1	0
Other comprehensive income (loss), net of tax	(104)	(83)	(270)	161
Total comprehensive income (loss), net of tax	(38)	8	(30)	442
Less: Comprehensive income (loss) attributable to noncontrolling interests	1	(27)	13	(41)
Comprehensive income (loss) attributable to shareholders	$ (39)	$ 35	$ (43)	$ 483

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Segments of Operations

9 Months Ended

Sep. 30, 2015

Segment Reporting [Abstract]

Segments of Operations

Segments of Operations

AFG manages its business as four segments: (i) Property and casualty insurance, (ii) Annuity, (iii) Run-off long-term care and life and (iv) Other, which includes holding company costs and the operations attributable to the noncontrolling interests of the managed investment entities.

AFG reports its property and casualty insurance business in the following Specialty sub-segments: (i) Property and transportation, which includes physical damage and liability coverage for buses, trucks and recreational vehicles, inland and ocean marine, agricultural-related products and other property coverages, (ii) Specialty casualty, which includes primarily excess and surplus, general liability, executive liability, professional liability, umbrella and excess liability, specialty coverage

in targeted markets, customized programs for small to mid-sized businesses and workers’ compensation insurance, and (iii) Specialty financial, which includes risk management insurance programs for leasing and financing institutions (including collateral and lender-placed mortgage property insurance), surety and fidelity products and trade credit insurance. Premiums and underwriting profit included under Other specialty represent business assumed by AFG’s internal reinsurance program from the operations that make up AFG’s other Specialty sub-segments and amortization of deferred gains on retroactive reinsurance transactions related to the sales of businesses in prior years. AFG’s annuity business markets traditional fixed and fixed-indexed annuities in the retail, financial institutions and education markets. AFG’s reportable segments and their components were determined based primarily upon similar economic characteristics, products and services.

The following tables (in millions) show AFG’s revenues and earnings before income taxes by segment and sub-segment.

	Three months ended September 30,					Nine months ended September 30,
	2015			2014		2015			2014
Revenues
Property and casualty insurance:
Premiums earned:
Specialty
Property and transportation	$	517		$	504	$	1,157		$	1,129
Specialty casualty	503			486		1,496			1,266
Specialty financial	131			115		380			348
Other specialty	22			27		71			74
Total premiums earned	1,173			1,132		3,104			2,817
Net investment income	83			76		245			219
Other income (*)	2			4		61			8
Total property and casualty insurance	1,258			1,212		3,410			3,044
Annuity:
Net investment income	317			287		915			851
Other income	22			20		68			57
Total annuity	339			307		983			908
Run-off long-term care and life	49			48		144			147
Other	49			1		137			41
Total revenues before realized gains (losses)	1,695			1,568		4,674			4,140
Realized gains (losses) on securities	(16		)	13		2			44
Realized gain (loss) on subsidiaries	5			—		(157		)	—
Total revenues	$	1,684		$	1,581	$	4,519		$	4,184

(*) Includes pretax income of $51 million (before noncontrolling interest) from the sale of the Le Pavillon Hotel in the second quarter of 2015.

	Three months ended September 30,						Nine months ended September 30,
	2015			2014			2015			2014
Earnings Before Income Taxes
Property and casualty insurance:
Underwriting:
Specialty
Property and transportation	$	20		$	11		$	14		$	(1	)
Specialty casualty	31			32			96			100
Specialty financial	26			21			72			46
Other specialty	7			6			13			13
Other lines (a)	(69		)	(24		)	(70		)	(25		)
Total underwriting	15			46			125			133
Investment and other income, net (b)	75			64			272			180
Total property and casualty insurance	90			110			397			313
Annuity	67			86			230			243
Run-off long-term care and life	6			1			14			(3		)
Other (c)	(53		)	(65		)	(131		)	(161		)
Total earnings before realized gains (losses) and income taxes	110			132			510			392
Realized gains (losses) on securities	(16		)	13			2			44
Realized gain (loss) on subsidiaries	5			—			(157		)	—
Total earnings before income taxes	$	99		$	145		$	355		$	436

(a) Includes special charges of $67 million and $24 million in the third quarter of 2015 and 2014, respectively, to increase asbestos and environmental (“A&E”) reserves.

(b) Includes pretax income of $51 million (before noncontrolling interest) from the sale of the Le Pavillon Hotel in the second quarter of 2015.

(c) Primarily holding company expenses, including a $4 million loss on retirement of debt in the third quarter of 2015 and special charges of $12 million and $6 million in the third quarters of 2015 and 2014, respectively, to increase A&E reserves related to AFG’s former railroad and manufacturing operations. Also includes losses of managed investment entities attributable to noncontrolling interest of $29 million for the third quarter and $47 million for the first nine months of 2014. Following the adoption of new guidance in the first quarter of 2015, there are no longer earnings (losses) of managed investment entities that are attributable to noncontrolling interests. See Note A — “Accounting Policies — Managed Investment Entities.”

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Deferred Policy Acquisition Costs (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Movement Analysis of Deferred Policy Acquisition Costs and Present Value of Future Profits [Roll Forward]
Deferred policy acquisition costs and present value of future profits, beginning balance	$ 965	$ 806	$ 821	$ 975
Deferred policy acquisition costs and present value of future profits, additions	215	172	567	530
Deferred policy acquisition costs and present value of future profits, periodic amortization	(177)	(175)	(537)	(498)
Deferred policy acquisition costs and present value of future profits, change included in realized gains	3	2	7	3
Deferred policy acquisition costs and present value of future profits, foreign currency translation	(2)	(2)	(2)	(1)
Deferred policy acquisition costs and present value of future profits, change in unrealized	(11)	55	137	(151)
Deferred policy acquisition costs and present value of future profits, ending balance	993	858	993	858
Property and Casualty Insurance [Member]
Movement Analysis of Deferred Policy Acquisition Costs [Roll Forward]
Deferred policy acquisition costs, beginning balance	223	219	221	211
Deferred policy acquisition costs, additions	138	129	396	380
Deferred policy acquisition costs, periodic amortization	(132)	(127)	(388)	(371)
Deferred policy acquisition costs, foreign currency translation	(2)	(2)	(2)	(1)
Deferred policy acquisition costs, ending balance	227	219	227	219
Annuity and Run-off Long-term Care and Life [Member]
Movement Analysis of Deferred Policy Acquisition Costs [Roll Forward]
Deferred policy acquisition costs, beginning balance	934	918	925	875
Deferred policy acquisition costs, additions	74	42	164	144
Deferred policy acquisition costs, periodic amortization	(36)	(38)	(120)	(98)
Deferred policy acquisition costs, change included in realized gains	3	1	6	2
Deferred policy acquisition costs, ending balance	975	923	975	923
Movement in Deferred Sales Inducements [Roll Forward]
Deferred sales inducements, beginning balance	123	141	132	149
Deferred sales inducements, additions	3	1	7	6
Deferred sales inducements, periodic amortization	(6)	(7)	(20)	(20)
Deferred sales inducements, change included in realized gains	0	1	1	1
Deferred sales inducements, ending balance	120	136	120	136
Movement in Present Value of Future Insurance Profits [Roll Forward]
Present value of future profits, beginning balance	68	79	74	85
Present value of future profits, periodic amortization	(3)	(3)	(9)	(9)
Present value of future profits, ending balance	65	76	65	76
Movement in Unrealized Gains (Losses) Related to Deferred Policy Acquisition Costs and Present Value of Future Profits [Roll Forward]
Unrealized investment gains (losses), beginning balance	(383)	(551)	(531)	(345)
Unrealized investment gains (losses), change in unrealized	(11)	55	137	(151)
Unrealized investment gains (losses), ending balance	(394)	(496)	(394)	(496)
Movement Analysis of Deferred Policy Acquisition Costs and Present Value of Future Profits [Roll Forward]
Deferred policy acquisition costs and present value of future profits, beginning balance	742	587	600	764
Deferred policy acquisition costs and present value of future profits, additions	77	43	171	150
Deferred policy acquisition costs and present value of future profits, periodic amortization	(45)	(48)	(149)	(127)
Deferred policy acquisition costs and present value of future profits, change included in realized gains	3	2	7	3
Deferred policy acquisition costs and present value of future profits, change in unrealized	(11)	55	137	(151)
Deferred policy acquisition costs and present value of future profits, ending balance	$ 766	$ 639	$ 766	$ 639

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Shareholders' Equity (Details Textual) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended			9 Months Ended
	Sep. 30, 2015	Mar. 31, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014	Jun. 30, 2015	Dec. 31, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Net of tax unrealized gains (losses) related to credit-only impaired securities	$ 53			$ 53		$ 57	$ 58
Common Stock options issued under stock incentive plan, average exercise price				$ 63.15	$ 56.47
Compensation expense related to stock incentive plans	$ 5		$ 4	$ 18	$ 18
Stock Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted Common Stock, shares issued				171,130
Restricted Common Stock, fair value per share				$ 63.15
Common Stock options issued under stock incentive plan				716,818
Common Stock options issued under stock incentive plan, average exercise price				$ 63.15
Annual Equity Bonus Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Other benefit plans, shares		54,732
Common Stock issued, fair value per share		$ 62.55

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Deferred Policy Acquisition Costs (Tables)

9 Months Ended

Sep. 30, 2015

Deferred Policy Acquisition Costs Disclosures [Abstract]

Deferred Policy Acquisition Costs Details

A progression of deferred policy acquisition costs is presented below (in millions):

	P&C			Annuity and Run-off Long-term Care and Life
	Deferred			Deferred			Sales												Consolidated
	Costs			Costs			Inducements			PVFP			Unrealized			Total			Total
Balance at June 30, 2015	$	223		$	934		$	123		$	68		$	(383	)	$	742		$	965
Additions	138			74			3			—			—			77			215
Amortization:
Periodic amortization	(132		)	(36		)	(6		)	(3		)	—			(45		)	(177		)
Included in realized gains	—			3			—			—			—			3			3
Foreign currency translation	(2		)	—			—			—			—			—			(2		)
Change in unrealized	—			—			—			—			(11		)	(11		)	(11		)
Balance at September 30, 2015	$	227		$	975		$	120		$	65		$	(394	)	$	766		$	993
Balance at June 30, 2014	$	219		$	918		$	141		$	79		$	(551	)	$	587		$	806
Additions	129			42			1			—			—			43			172
Amortization:
Periodic amortization	(127		)	(38		)	(7		)	(3		)	—			(48		)	(175		)
Included in realized gains	—			1			1			—			—			2			2
Foreign currency translation	(2		)	—			—			—			—			—			(2		)
Change in unrealized	—			—			—			—			55			55			55
Balance at September 30, 2014	$	219		$	923		$	136		$	76		$	(496	)	$	639		$	858
Balance at December 31, 2014	$	221		$	925		$	132		$	74		$	(531	)	$	600		$	821
Additions	396			164			7			—			—			171			567
Amortization:
Periodic amortization	(388		)	(120		)	(20		)	(9		)	—			(149		)	(537		)
Included in realized gains	—			6			1			—			—			7			7
Foreign currency translation	(2		)	—			—			—			—			—			(2		)
Change in unrealized	—			—			—			—			137			137			137
Balance at September 30, 2015	$	227		$	975		$	120		$	65		$	(394	)	$	766		$	993
Balance at December 31, 2013	$	211		$	875		$	149		$	85		$	(345	)	$	764		$	975
Additions	380			144			6			—			—			150			530
Amortization:
Periodic amortization	(371		)	(98		)	(20		)	(9		)	—			(127		)	(498		)
Included in realized gains	—			2			1			—			—			3			3
Foreign currency translation	(1		)	—			—			—			—			—			(1		)
Change in unrealized	—			—			—			—			(151		)	(151		)	(151		)
Balance at September 30, 2014	$	219		$	923		$	136		$	76		$	(496	)	$	639		$	858

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Segments of Operations (Details 1) - USD ($) $ in Millions		3 Months Ended			9 Months Ended
		Sep. 30, 2015		Sep. 30, 2014	Sep. 30, 2015		Sep. 30, 2014
Segment Reporting Information [Line Items]
Earnings before realized gains (losses) and income taxes		$ 110		$ 132	$ 510		$ 392
Realized gains (losses) on securities		(16)		13	2		44
Realized gain (loss) on subsidiaries		5		0	(157)		0
Earnings before income taxes		99		145	355		436
Property and Casualty Insurance [Member]
Segment Reporting Information [Line Items]
Property and casualty insurance underwriting		15		46	125		133
Investment and other income, net		75	[1]	64	272	[1]	180
Earnings before realized gains (losses) and income taxes		90		110	397		313
Annuity [Member]
Segment Reporting Information [Line Items]
Earnings before realized gains (losses) and income taxes		67		86	230		243
Run-off Long-term Care and Life [Member]
Segment Reporting Information [Line Items]
Earnings before realized gains (losses) and income taxes		6		1	14		(3)
Other [Member]
Segment Reporting Information [Line Items]
Earnings before realized gains (losses) and income taxes	[2]	(53)		(65)	(131)		(161)
Specialty Property and transportation [Member]
Segment Reporting Information [Line Items]
Property and casualty insurance underwriting		20		11	14		(1)
Specialty casualty [Member]
Segment Reporting Information [Line Items]
Property and casualty insurance underwriting		31		32	96		100
Specialty financial [Member]
Segment Reporting Information [Line Items]
Property and casualty insurance underwriting		26		21	72		46
Specialty Other [Member]
Segment Reporting Information [Line Items]
Property and casualty insurance underwriting		7		6	13		13
Other Lines [Member]
Segment Reporting Information [Line Items]
Property and casualty insurance underwriting	[3]	$ (69)		$ (24)	$ (70)		$ (25)

[1] Includes pretax income of $51 million (before noncontrolling interest) from the sale of the Le Pavillon Hotel in the second quarter of 2015.

[2] Primarily holding company expenses, including a $4 million loss on retirement of debt in the third quarter of 2015 and special charges of $12 million and $6 million in the third quarters of 2015 and 2014, respectively, to increase A&E reserves related to AFG’s former railroad and manufacturing operations. Also includes losses of managed investment entities attributable to noncontrolling interest of $29 million for the third quarter and $47 million for the first nine months of 2014. Following the adoption of new guidance in the first quarter of 2015, there are no longer earnings (losses) of managed investment entities that are attributable to noncontrolling interests. See Note A — “Accounting Policies — Managed Investment Entities.”

[3] Includes special charges of $67 million and $24 million in the third quarter of 2015 and 2014, respectively, to increase asbestos and environmental (“A&E”) reserves.

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Contingencies

9 Months Ended

Sep. 30, 2015

Commitments and Contingencies Disclosure [Abstract]

Contingencies

Contingencies

As discussed in Note B — “Acquisitions and Sale of Businesses,” AFG recorded a $162 million pretax loss in the first quarter of 2015 to establish a liability (included in other liabilities in AFG’s Balance Sheet) that effectively reduces the net carrying value of the assets and liabilities to be disposed in the pending sale of its run-off long-term care business to equal the estimated net sale proceeds from the sale. There have been no significant changes to the matters discussed and referred to in Note M — “Contingencies” of AFG’s 2014 Form 10-K, which covers property and casualty insurance reserves for claims related to environmental exposures, asbestos and other mass tort claims, as well as environmental and occupational injury and disease claims of former subsidiary railroad and manufacturing operations.