10-K

________________________________________________________________________________________________________________________________________________________________________

UNITED STATES SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-K

☑ Annual Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

For the Fiscal Year Ended December 31, 2020

or

☐ Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

For the transition period from ____ to ____

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

Securities Registered Pursuant to Section 12(b) of the Act:
	Title of Each Class	Trading Symbol(s)	Name of Each Exchange on Which Registered
	Common Stock	AFG	New York Stock Exchange
	5.875% Subordinated Debentures due March 30, 2059	AFGB	New York Stock Exchange
	5.625% Subordinated Debentures due June 1, 2060	AFGD	New York Stock Exchange
	5.125% Subordinated Debentures due December 15, 2059	AFGC	New York Stock Exchange
	4.50% Subordinated Debentures due September 15, 2060	AFGE	New York Stock Exchange

Securities Registered Pursuant to Section 12(g) of the Act: None

Indicate by check mark if the Registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. Yes ☑ No ☐

Indicate by check mark if the Registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act. Yes ☐ No ☑

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 ☑ No ☐

Indicate by check mark whether the Registrant has submitted electronically, every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T during the preceding 12 months. Yes ☑ No ☐

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

Large accelerated filer  ☑                        Accelerated filer  ☐                        Non-accelerated filer  ☐

Smaller reporting company  ☐                        Emerging growth company  ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Indicate by check mark whether the registrant has filed a report on and attestation to its management’s assessment of the effectiveness of its internal control over financial reporting under Section 404(b) of the Sarbanes-Oxley Act (15 U.S.C. 7262(b)) by the registered public accounting firm that prepared or issued its audit report. ☑

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

State the aggregate market value of the voting and non-voting common equity held by non-affiliates computed by reference to the price at which the common equity was last sold, or the average bid and asked price of such common equity, as of the last business day of the Registrant’s most recently completed second fiscal quarter: $4.91 billion.

Indicate the number of shares outstanding of each of the Registrant’s classes of common stock, as of the latest practicable date: 86,399,280 shares (excluding 14.9 million shares owned by subsidiaries) as of February 1, 2021.

___________________________________________________

Documents Incorporated by Reference:

Proxy Statement for 2021 Annual Meeting of Stockholders (portions of which are incorporated by reference into Part III hereof).

________________________________________________________________________________________________________________________________________________________________________

AMERICAN FINANCIAL GROUP, INC.

INDEX TO ANNUAL REPORT ON FORM 10-K

			Page
FORWARD-LOOKING STATEMENTS			1
Part I
Item 1	—	Business	2
Item 1A	—	Risk Factors	20
Item 1B	—	Unresolved Staff Comments	none
Item 2	—	Properties	28
Item 3	—	Legal Proceedings	28
Item 4	—	Mine Safety Disclosures	none
Part II
Item 5	—	Market for Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities	29
Item 6	—	Selected Financial Data	none
Item 7	—	Management’s Discussion and Analysis of Financial Condition and Results of Operations	31
Item 7A	—	Quantitative and Qualitative Disclosure About Market Risk	114
Item 8	—	Financial Statements and Supplementary Data	115
Item 9	—	Changes in and Disagreements With Accountants on Accounting and Financial Disclosure	none
Item 9A	—	Controls and Procedures	115
Item 9B	—	Other Information	none
Part III
Item 10	—	Directors, Executive Officers and Corporate Governance	S-1
Item 11	—	Executive Compensation	S-1
Item 12	—	Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters	S-1
Item 13	—	Certain Relationships and Related Transactions, and Director Independence	S-1
Item 14	—	Principal Accounting Fees and Services	S-1
Part IV
Item 15	—	Exhibits, Financial Statement Schedules	S-1

FORWARD-LOOKING STATEMENTS

The disclosures in this Form 10-K contain certain forward-looking statements that are subject to numerous assumptions, risks or uncertainties. 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, investment activities, and the amount and timing of share repurchases; recoverability of asset values; expected losses and the adequacy of reserves for 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 the following and those discussed in Item 1A — Risk Factors.

•that AFG may be unable to complete the sale of its annuity business because, among other reasons, conditions to the closing of the proposed transaction may not be satisfied or waived, uncertainty as to the timing of completion of the proposed transaction, or failure to realize the anticipated benefits from the proposed transaction;

•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, including the cost of equity index options;

•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;

•changes in insurance law or regulation, including changes in statutory accounting rules, including modifications to capital requirements;

•the effects of the COVID-19 outbreak, including the effects on the international and national economy and credit markets, legislative or regulatory developments affecting the insurance industry, quarantines or other travel or health-related restrictions;

•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;

•disruption caused by cyber-attacks or other technology breaches or failures by AFG or its business partners and service providers, which could negatively impact AFG’s business and/or expose AFG to litigation;

•development of insurance loss reserves and establishment of other reserves, particularly with respect to amounts associated with asbestos and environmental claims;

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

•trends in persistency and mortality;

•competitive pressures;

•the ability to obtain adequate rates and policy terms;

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

•the impact of the conditions in the international financial markets and the global economy relating to AFG’s international operations.

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.

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PART I

Item 1. Business

Introduction

American Financial Group, Inc. (“AFG” or the “Company”) is an insurance holding company. Through the operations of Great American Insurance Group, AFG is engaged primarily in property and casualty insurance, focusing on specialized commercial products for businesses, and in the sale of traditional fixed and indexed annuities in the retail, financial institutions, broker-dealer and registered investment advisor markets. The members of the Great American Insurance Group have been in business for nearly 150 years. Management believes that approximately 50% of the 2020 gross written premiums in AFG’s Specialty property and casualty group are produced by “top 10” ranked businesses and that AFG was also a “top ten” provider of fixed annuities in 2020, including the second largest seller of fixed-indexed annuities (“FIAs”) through financial institutions. AFG’s in-house team of investment professionals oversees the Company’s investment portfolio. On January 27, 2021, AFG entered into a definitive agreement to sell its Annuity business to Massachusetts Mutual Life Insurance Company (“MassMutual”) for $3.5 billion in cash, subject to final closing adjustments. In the transaction, which is expected to close in the second quarter of 2021, MassMutual will acquire Great American Life Insurance Company (“GALIC”) and its two insurance subsidiaries, Annuity Investors Life Insurance Company (“AILIC”) and Manhattan National Life Insurance Company.

AFG’s address is 301 East Fourth Street, Cincinnati, Ohio 45202; its phone number is (513) 579-2121. SEC filings, news releases, AFG’s Code of Ethics applicable to directors, officers and employees, AFG’s Corporate Social Responsibility Report and other information may be accessed free of charge through AFG’s Internet site at: www.AFGinc.com. (Information on AFG’s Internet site is not part of this Form 10-K.) See Note C — “Segments of Operations” to the financial statements for information on AFG’s assets, revenues and earnings before income taxes by segment.

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Building Long-Term Value for AFG Shareholders

AFG allows each of its businesses the autonomy to make decisions related to underwriting, claims and policy servicing. This entrepreneurial business model promotes agility, innovative product design, unique applications of pricing segmentation, as well as developing distribution strategies and building relationships in the markets served. Management believes that AFG’s ability to grow book value per share at a double-digit annual rate over time is evidence that the Company’s culture, business model and employee incentive plans create a compelling structure to build long-term value for AFG’s shareholders.

As highlighted in the illustration below, over the past 20 plus years, AFG has sharpened its focus on the businesses that management knows best. This has been accomplished through organic growth, carefully selected acquisitions, start-ups, and dispositions.

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Timeline of Selected Start-ups, Acquisitions and Dispositions

4

Property and Casualty Insurance Segment

General

AFG’s property and casualty insurance operations provide a wide range of commercial coverages through approximately 35 insurance businesses (at December 31, 2020) that make up the Great American Insurance Group. AFG’s property and casualty insurance operations ultimately report to a single senior executive and operate under a business model that allows local decision-making for underwriting, claims and policy servicing in each of the niche operations. Each business is managed by experienced professionals in particular lines or customer groups and operates autonomously but with certain central controls and accountability. The decentralized approach allows each unit the autonomy necessary to respond to local and specialty market conditions while capitalizing on the efficiencies of centralized investment and administrative support functions. AFG’s property and casualty insurance operations had approximately 6,500 employees as of December 31, 2020. These operations are conducted through the subsidiaries listed in the following table, which includes independent financial strength ratings and 2020 gross written premiums (in millions) for each major subsidiary. These ratings are generally based on concerns for policyholders and agents and are not directed toward the protection of investors. AFG believes that maintaining a rating in the “A” category by A.M. Best is important to compete successfully in most lines of business.

	Ratings		Gross Written
	AM Best	S&P	Premiums
Insurance Group
Great American Insurance	A+	A+	$	5,231
National Interstate	A+	not rated	796
Summit (Bridgefield Casualty and Bridgefield Employers)	A+	A+	541
Republic Indemnity	A+	A+	170
Mid-Continent Casualty	A+	A+	146
Other (*)			203
			$	7,087

(*)Includes $92 million of gross premiums written by AFG’s Neon Lloyd’s Syndicate, which was put into run-off in December 2019 and sold in December 2020. See Note B — “Acquisitions and Sale of Businesses” to the financial statements.

The primary objectives of AFG’s property and casualty insurance operations are to achieve solid underwriting profitability and provide excellent service to its policyholders and agents. Underwriting profitability is measured by the combined ratio, which is a sum of the ratios of losses, loss adjustment expenses (“LAE”), underwriting expenses and policyholder dividends to premiums. A combined ratio under 100% indicates an underwriting profit. The combined ratio does not reflect investment income, other income, other expenses or federal income taxes.

While many costs included in underwriting are readily determined (commissions, administrative expenses and many of the losses on claims reported), the process of determining overall underwriting results is highly dependent upon the use of estimates in the case of losses incurred or expected but not yet reported or developed. Actuarial procedures and projections are used to obtain “point estimates” of ultimate losses. While the process is imprecise and develops amounts which are subject to change over time, management believes that the liabilities for unpaid losses and loss adjustment expenses are adequate.

Financial information is reported in accordance with U.S. generally accepted accounting principles (“GAAP”) for shareholder and other investor-related purposes and reported on a statutory basis for U.S. insurance regulatory purposes. Unless indicated otherwise, the financial information presented in this Form 10-K for AFG’s property and casualty insurance operations is presented based on GAAP. Statutory information is only prepared for AFG’s U.S.-based subsidiaries, which represented approximately 97% of AFG’s direct written premiums in 2020, and is provided for industry comparisons or where comparable GAAP information is not readily available.

Major differences for statutory accounting include charging policy acquisition costs to expense as incurred rather than spreading the costs over the periods covered by the policies; reporting investment grade bonds and redeemable preferred stocks at amortized cost rather than fair value; netting of reinsurance recoverables and prepaid reinsurance premiums against the corresponding liabilities rather than reporting such items separately; and charging to surplus certain GAAP assets, such as furniture and fixtures and agents’ balances over 90 days old.

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AFG’s statutory combined ratio averaged 92.9% for the period 2011 to 2020 as compared to 100.5% for the property and casualty commercial lines industry over the same period. AFG believes that its specialty niche focus, product line diversification and underwriting discipline have contributed to the Company’s ability to consistently outperform the industry’s underwriting results. Management’s philosophy is to refrain from writing business that is not expected to produce an underwriting profit even if it is necessary to limit premium growth to do so.

(*)The sources of the commercial lines industry ratios are © 2020 Conning, Inc., as published in Conning’s Property-Casualty Forecast & Analysis by Line of Insurance (Fourth-Quarter 2020 edition, used with permission) for 2020 and © 2020 A.M. Best Company’s Review & Preview Reports for the preceding years.

Property and Casualty Results

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. See Note C — “Segments of Operations” to the financial statements for the reconciliation of AFG’s earnings before income taxes by significant business segment to the statement of earnings.

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The following table shows the performance of AFG’s property and casualty insurance operations (dollars in millions):

	2020			2019			2018
Gross written premiums	$	7,087		$	7,299		$	6,840
Ceded reinsurance	(2,074)			(1,957)			(1,817)
Net written premiums	$	5,013		$	5,342		$	5,023
Net earned premiums	$	5,099		$	5,185		$	4,865
Loss and LAE	3,271			3,271			3,003
Underwriting expenses	1,604			1,702			1,560
Underwriting gain (a)	$	224		$	212		$	302
GAAP ratios:
Loss and LAE ratio	64.1		%	63.0		%	61.7		%
Underwriting expense ratio	31.4		%	32.8		%	32.1		%
Combined ratio	95.5		%	95.8		%	93.8		%
Statutory ratios:
Loss and LAE ratio	60.7		%	61.3		%	60.2		%
Underwriting expense ratio	31.2		%	31.6		%	31.6		%
Combined ratio	91.9		%	92.9		%	91.8		%
Industry statutory combined ratio (b)
All lines	100.0		%	98.2		%	99.6		%
Commercial lines	101.7		%	99.9		%	99.7		%

(a)Includes underwriting losses from Neon, which was sold in December 2020, of $135 million in 2020, $36 million in 2019 and $63 million in 2018.

(b)The sources of the industry ratios are © 2020 Conning, Inc., as published in Conning’s Property-Casualty Forecast & Analysis by Line of Insurance (Fourth-Quarter 2020 edition, used with permission) for 2020 and © 2020 A.M. Best Company’s Review & Preview Report (February 2020 Edition) for 2019 and 2018.

As with other property and casualty insurers, AFG’s operating results can be adversely affected by unpredictable catastrophe losses. Certain natural disasters (hurricanes, severe storms, earthquakes, tornadoes, floods, etc.) and other incidents of major loss (explosions, civil disorder, terrorist events, fires, etc.) are classified as catastrophes by industry associations. Losses from these incidents are usually tracked separately from other business of insurers because of their sizable effects on overall operations. Total net losses to AFG’s insurance operations from current accident year catastrophes were $128 million in 2020, $60 million in 2019 and $103 million in 2018 and are included in the table above. These net losses include $37 million in 2020, $13 million in 2019 and $32 million in 2018 related to Neon’s operations. In addition to these catastrophe losses, AFG’s property and casualty operations recorded $115 million in COVID-19 related losses in 2020, including $20 million at Neon.

AFG generally seeks to reduce its exposure to catastrophes through individual risk selection, including minimizing coastal and known fault-line exposures, and through the purchase of reinsurance. AFG’s net exposure to a catastrophic earthquake or windstorm that industry models indicate should statistically occur once in every 500 years (a “500-year event”) is expected to be approximately 2% of AFG’s Shareholders’ Equity.

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Property and Casualty Insurance Products

AFG is focused on growth opportunities in what it believes to be more profitable specialty businesses where AFG personnel are experts in particular lines of business or customer groups. The following are examples of AFG’s specialty businesses grouped by sub-segment:

Property and Transportation
Agricultural-related	Federally reinsured multi-peril crop (allied lines) insurance covering most perils as well as crop-hail, equine mortality and other coverages for full-time operating farms/ranches and agribusiness operations on a nationwide basis.
Commercial Automobile	Coverage for vehicles (such as buses and trucks) in a broad range of businesses including the moving and storage and transportation industries, as well as alternative risk transfer programs, and a specialized physical damage product for the trucking industry.
Property, Inland Marine and Ocean Marine	Coverage primarily for commercial properties, builders’ risk, contractors’ equipment, property, motor truck cargo, marine cargo, boat dealers, marina operators/dealers and excursion vessels.
Specialty Casualty
Excess and Surplus	Liability, umbrella and excess coverage for unique, volatile or hard to place risks, using rates and forms that generally do not have to be approved by state insurance regulators.
Executive and Professional Liability	Coverage for directors and officers of businesses and non-profit organizations, errors and omissions, cyber, and mergers and acquisitions.
General Liability	Coverage for contractor-related businesses, energy development and production risks, and environmental liability risks.
Targeted Programs	Coverage (primarily liability and property) for social service agencies, leisure, entertainment and non-profit organizations, customized solutions for other targeted markets and alternative risk programs using agency captives.
Umbrella and Excess Liability	Coverage in excess of primary layers.
Workers’ Compensation	Coverage for prescribed benefits payable to employees who are injured on the job.
Specialty Financial
Fidelity and Surety	Fidelity and crime coverage for government, mercantile and financial institutions and surety coverage for various types of contractors and public and private corporations.
Lease and Loan Services	Coverage for insurance risk management programs for lending and leasing institutions, including equipment leasing and collateral and lender-placed mortgage property insurance.

Management believes specialization is the key element to the underwriting success of these business units. These specialty businesses are opportunistic and premium volume will vary based on prevailing market conditions. AFG continually evaluates expansion in existing markets and opportunities in new specialty markets that meet its profitability objectives. Likewise, AFG will withdraw from markets that do not meet its profit objectives or business strategy.

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2020 SPECIALTY PROPERTY AND CASUALTY BY SUB-SEGMENT

(*)Excludes underwriting profits and losses recorded outside of AFG’s Specialty property and casualty group.

Premium Distribution

The following table shows the net written premiums by sub-segment for AFG’s property and casualty insurance operations for 2020 (excluding Neon), 2019 and 2018 (in millions):

	2020		2019		2018
Property and transportation	$	1,887	$	1,876	$	1,754
Specialty casualty	2,304		2,701		2,509
Specialty financial	604		617		602
Other specialty (*)	197		148		158
	$	4,992	$	5,342	$	5,023

(*)Premiums assumed by AFG’s internal reinsurance program from the operations that make up AFG’s Specialty property and casualty insurance sub-segments.

In addition to the premiums in the table above, the Neon exited lines had $21 million of net written premiums in 2020. Neon’s premiums were included in the Specialty Casualty sub-segment in 2019 and 2018 (prior to being put into run-off at the end of 2019).

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The geographic distribution of statutory direct written premiums by AFG’s U.S.-based insurers for 2020, 2019 and 2018 is shown below. Approximately 3% of AFG’s direct written premiums in 2020 were derived from non U.S.-based insurers. In December 2019, AFG initiated actions to exit the Lloyd’s of London insurance market, which included placing its Lloyd’s subsidiaries including its Lloyd’s Managing Agency, Neon Underwriting Ltd., into run-off. In December 2020, AFG completed the sale of the legal entities comprising Neon to RiverStone Holdings Limited. Neon generated approximately 45% and 85% of the non U.S.-based direct written premiums in 2020 and 2019, respectively.

	2020		2019		2018			2020		2019		2018
California	13.3	%	13.4	%	13.5	%	New Jersey	2.3	%	2.5	%	2.6	%
Florida	9.7	%	10.1	%	10.0	%	Michigan	2.3	%	1.9	%	1.8	%
Texas	6.9	%	6.9	%	6.8	%	Kansas	2.2	%	2.2	%	2.3	%
New York	6.8	%	6.7	%	6.8	%	Ohio	2.2	%	1.9	%	1.7	%
Illinois	5.5	%	5.5	%	5.3	%	Indiana	2.1	%	2.0	%	1.9	%
Georgia	3.5	%	3.3	%	3.3	%	North Carolina	2.1	%	2.0	%	2.1	%
Pennsylvania	2.6	%	2.6	%	2.5	%	Other	36.1	%	36.4	%	36.9	%
Missouri	2.4	%	2.6	%	2.5	%		100.0	%	100.0	%	100.0	%

Reinsurance

Consistent with standard practice of most insurance companies, AFG reinsures a portion of its property and casualty business with other insurance companies and assumes a relatively small amount of business from other insurers. AFG uses reinsurance for two primary purposes: (i) to provide higher limits of coverage than it would otherwise be willing to provide (i.e. large line capacity) and (ii) to protect its business by reducing the impact of catastrophes. The availability and cost of reinsurance are subject to prevailing market conditions, which may affect the volume and profitability of business that is written. AFG is subject to credit risk with respect to its reinsurers, as the ceding of risk to reinsurers does not relieve AFG of its liability to its insureds until claims are fully settled.

Reinsurance is provided on either a facultative or treaty basis. Facultative reinsurance is generally provided on a risk-by-risk basis. Individual risks are ceded and assumed based on an offer and acceptance of risk by each party to the transaction. AFG purchases facultative reinsurance, both pro rata and excess of loss, depending on the risk and available reinsurance markets. Treaty reinsurance provides for risks meeting prescribed criteria to be automatically ceded and assumed according to contract provisions.

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Catastrophe Reinsurance AFG has taken steps to limit its exposure to wind and earthquake losses through individual risk selection, including minimizing coastal and known fault-line exposures, and purchasing catastrophe reinsurance. In addition, AFG purchases catastrophe reinsurance for its workers’ compensation businesses. Although the cost of catastrophe reinsurance varies depending on exposure and the level of worldwide loss activity, AFG continues to obtain reinsurance coverage in adequate amounts at acceptable rates.

In January 2021, AFG’s property and casualty insurance subsidiaries renewed substantially all of their catastrophe reinsurance coverages. For AFG’s U.S.-based operations, the Company continued to place $85 million of coverage in excess of a $15 million per event primary retention in the traditional reinsurance markets. In addition, AFG’s U.S.-based operations have a $50 million layer of coverage in excess of $100 million in catastrophe losses that will be up for renewal in June 2021.

In addition to traditional reinsurance, AFG had catastrophe coverage through a catastrophe bond structure with Riverfront Re Ltd. from June 1, 2017 through January 15, 2021. AFG expects to place a new catastrophe bond in the first six months of 2021.

The commercial marketplace requires large policy limits ($25 million or more) in several of AFG’s lines of business, including certain property, environmental, aviation, executive and professional liability, umbrella and excess liability, and fidelity and surety coverages. Since these limits exceed management’s desired exposure to an individual risk, AFG generally enters into reinsurance agreements to reduce its net exposure under such policies to an acceptable level. Reinsurance continues to be available for this large line capacity exposure with satisfactory pricing and terms.

In addition to the catastrophe and large line capacity reinsurance programs discussed above, AFG purchases reinsurance on a product-by-product basis. AFG regularly reviews the financial strength of its current and potential reinsurers. These reviews include consideration of credit ratings, available capital, claims paying history and expertise. This process periodically results in the transfer of risks to more financially secure reinsurers. Substantially all reinsurance is ceded to companies with investment grade S&P ratings or is secured by “funds withheld” or other collateral. Under “funds withheld” arrangements, AFG retains ceded premiums to fund ceded losses as they become due from the reinsurer. Recoverables from the following companies were individually between 5% and 12% of AFG’s total property and casualty reinsurance recoverable (including prepaid reinsurance premiums and net of payables to reinsurers) at December 31, 2020: Everest Reinsurance Company, Hannover Rueck SE, Munich Reinsurance America, Inc., Swiss Reinsurance America Corporation and Transatlantic Reinsurance Company. In addition, AFG has a reinsurance recoverable from Ohio Casualty Insurance Company of $130 million related to that company’s purchase of AFG’s commercial lines business in 1998. No other reinsurers exceeded 5% of AFG’s property and casualty reinsurance recoverable.

The following table presents (by type of coverage) the amount of each loss above the specified retention covered by treaty reinsurance programs in AFG’s U.S.-based property and casualty insurance operations (in millions) as of January 1, 2021:

			Reinsurance Coverage						AFG
	Primary		Coverage		AFG Participation (a)				Maximum
	Retention		Amount		%		$		Loss (b)
U.S.-based operations:
California Workers’ Compensation	$	2	$	148	1	%	$	1	$	3
Summit Workers’ Compensation	3		37		—	%	—		3
Other Workers’ Compensation	2		48		3	%	1		3
Commercial Umbrella	2		48		10	%	5		7
Property — General	5		45		—	%	—		5
Property — Catastrophe (c)	15		135		7	%	9		24

(a)Includes the participation of AFG’s internal reinsurance program.

(b)Maximum loss per event for claims up to reinsurance coverage limit.

(c)Although AFG’s maximum potential loss per event is generally $15 million, there are certain unlikely scenarios where AFG’s exposure could be as high as $24 million.

In addition to the coverage shown above, AFG reinsures a portion of its crop insurance business through the Federal Crop Insurance Corporation (“FCIC”). The FCIC offers both proportional (or “quota share”) and non-proportional coverages. The proportional coverage provides that a fixed percentage of risk is assumed by the FCIC. The non-proportional coverage allows AFG to select desired retention of risk on a state-by-state, county, crop or plan basis. AFG typically reinsures 15% to 25% of gross written premiums with the FCIC. AFG also purchases quota share reinsurance in the private market. This

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quota share provides for a ceding commission to AFG and a profit-sharing provision. During both 2020 and 2019, AFG reinsured 50% of premiums not reinsured by the FCIC in the private market and purchased stop loss protection coverage for the remaining portion of the business. In 2021, AFG expects to reinsure 50% of the premiums not reinsured by the FCIC in the private market.

The balance sheet caption “Recoverables from reinsurers — Property and casualty insurance” included approximately $171 million on paid losses and LAE and $3.12 billion on unpaid losses and LAE at December 31, 2020. These amounts are net of allowances of approximately $6 million for expected credit losses on reinsurance recoverables. The collectability of a reinsurance balance is based upon the financial condition of a reinsurer as well as individual claim considerations.

Reinsurance premiums ceded and assumed are presented in the following table (in millions):

	2020		2019		2018
Reinsurance ceded	$	2,074	$	1,957	$	1,817
Reinsurance ceded, excluding crop	1,483		1,371		1,202
Reinsurance assumed — including involuntary pools and associations	225		255		214

Loss and Loss Adjustment Expense Reserves

The consolidated financial statements include the estimated liability for unpaid losses and LAE of AFG’s insurance subsidiaries. This liability represents estimates of the ultimate net cost of all unpaid losses and LAE and is determined by using case-basis evaluations, actuarial projections and management’s judgment. These estimates are subject to the effects of changes in claim amounts and frequency and are periodically reviewed and adjusted as additional information becomes known. In accordance with industry practices, such adjustments are reflected in current year operations. Generally, reserves for reinsurance assumed and involuntary pools and associations are reflected in AFG’s results at the amounts reported by those entities. See Note P — “Insurance — Property and Casualty Insurance Reserves” to the financial statements for information on the development of AFG’s liability for unpaid losses and loss adjustment expenses by accident year as well as a progression of the liability on a GAAP basis over the past three years.

A reconciliation of the liability for losses and LAE reported in the annual statements filed with the state insurance departments in accordance with statutory accounting principles (“SAP”) to the liability reported in the accompanying consolidated financial statements in accordance with GAAP at December 31, 2020 follows (in millions):

Liability reported on a SAP basis, net of $108 million of retroactive reinsurance	$	6,958
Reinsurance recoverables, net of allowance	3,117
Other, including reserves of foreign insurers	317
Liability reported on a GAAP basis	$	10,392

Asbestos and Environmental-related (“A&E”) Insurance Reserves   AFG’s property and casualty group, like many others in the industry, has A&E claims arising in most cases from general liability policies written more than thirty years ago. The establishment of reserves for such A&E claims presents unique and difficult challenges and is subject to uncertainties significantly greater than those presented by other types of claims. For a discussion of these uncertainties, see Item 7 — Management’s Discussion and Analysis of Financial Condition and Results of Operations — “Uncertainties — Asbestos and Environmental-related (“A&E”) Insurance Reserves” and Note N — “Contingencies” to the financial statements.

The following table (in millions) is a progression of the property and casualty group’s A&E reserves.

	2020		2019		2018
Reserves at beginning of year	$	383	$	395	$	403
Incurred losses and LAE	47		18		18
Paid losses and LAE	(8)		(30)		(26)
Reserves at end of year, net of reinsurance recoverable	422		383		395
Reinsurance recoverable, net of allowance	150		146		129
Gross reserves at end of year	$	572	$	529	$	524

In addition to its ongoing internal monitoring of asbestos and environmental exposures, AFG has periodically conducted comprehensive external studies of its asbestos and environmental reserves relating to the run-off operations of its property and casualty insurance segment and exposures related to its former railroad and manufacturing operations with the aid of specialty actuarial, engineering and consulting firms and outside counsel, with an in-depth internal review during

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the intervening years. AFG has historically conducted an external study every two years. AFG is currently evaluating the frequency of future external studies.

A comprehensive external study of AFG’s A&E reserves was completed in the third quarter of 2020 with the aid of specialty actuarial, engineering and consulting firms and outside counsel. As a result of the external study, AFG’s property and casualty insurance segment recorded a $47 million pretax special charge to increase its asbestos reserves by $26 million (net of reinsurance) and its environmental reserves by $21 million (net of reinsurance). Over the past few years, the focus of AFG’s asbestos claims 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 is seeing modestly increasing estimates for indemnity and defense compared to prior studies on certain specific open claims.

The increase in property and casualty environmental reserves in 2020 (as well as in 2019 and 2018) was primarily associated with updated estimates of site investigation and remedial costs with respect to existing sites and newly identified sites. AFG has updated its view of legal defense costs on open environmental claims as well as a number of claims and sites where the estimated investigation and remediation costs have increased. As in past years, there were no new or emerging broad industry trends that were identified in this review.

As a result of the in-depth internal review completed in the third quarter of 2019, AFG’s property and casualty insurance segment recorded an $18 million pretax special charge to increase its asbestos reserves by $3 million (net of reinsurance) and its environmental reserves by $15 million (net of reinsurance).

As a result of the in-depth internal review of AFG’s A&E reserves completed in the third quarter of 2018, AFG’s property and casualty insurance segment recorded an $18 million pretax special charge to increase its asbestos reserves by $6 million (net of reinsurance) and its environmental reserves by $12 million (net of reinsurance).

Marketing

The property and casualty insurance group directs its sales efforts primarily through independent insurance agents and brokers, although small portions are written through employee agents. Independent agents and brokers generally receive a commission on the sale of each policy. Some agents and brokers are eligible for a bonus commission based on the overall profitability of policies or volume of business placed with AFG by the broker or agent in a particular year. The property and casualty insurance group writes insurance through several thousand agents and brokers.

Competition

AFG’s property and casualty insurance businesses compete with other individual insurers, state funds and insurance groups of varying sizes, some of which are mutual insurance companies possessing competitive advantages in that all their profits inure to their policyholders. See Item 1A — Risk Factors. AFG also competes with self-insurance plans, captive programs and risk retention groups. Due to the specialty nature of these coverages, competition is based primarily on service to policyholders and agents, specific characteristics of products offered and reputation for claims handling. Financial strength ratings, price, commissions and profit-sharing terms are also important factors. Management believes that sophisticated data analysis for refinement of risk profiles, extensive specialized knowledge and loss prevention service have helped AFG compete successfully.

Annuity Segment

General

On January 27, 2021 AFG reached an agreement to sell its annuity subsidiaries to MassMutual in a transaction that is expected to close in the second quarter of 2021.

AFG’s annuity business is focused on the sale of fixed and indexed annuities in the retail, financial institutions, broker-dealer and registered investment advisor markets through independent producers and through direct relationships with certain financial institutions. The Company has a long history in the annuities industry, long-term agent relationships and a reputation for simple, consumer-friendly products. Disciplined product management and operations have enabled AFG to maintain a consistent crediting rate strategy and low-cost structure. AFG’s annuity products are designed to be simple and easy to understand. Lower upfront commissions and bonuses as compared to many competitors allow the Company to pay higher annual crediting rates. In the current low interest rate environment, management is focused on earning the appropriate returns on AFG’s products rather than growing premiums. The annuity operations had approximately 600 employees at December 31, 2020.

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AFG’s annuity operations are conducted primarily through the subsidiaries listed in the following table, which includes 2020 statutory annuity premiums (in millions), annuity policies in force and independent ratings.

			Annuity
	Annuity		Policies	Ratings
Company	Premiums		In Force	AM Best	S&P
Great American Life Insurance Company	$	3,474	371,000	A+	A+
Annuity Investors Life Insurance Company	121		102,000	A+	A+

AFG believes that the ratings assigned by independent insurance rating agencies are an important competitive factor because agents, potential policyholders and financial institutions often use a company’s rating as an initial screening device in considering annuity products. AFG believes that a rating in the “A” category by at least one rating agency is necessary to successfully compete in its primary annuity markets. In the fourth quarter of 2020, AM Best upgraded the ratings of GALIC and AILIC from A (Excellent) to A+ (Superior), its second highest rating.

In February 2020, GALIC entered into a flow reinsurance agreement with Commonwealth Annuity and Life Insurance Company (“Commonwealth”), a subsidiary of Global Atlantic Financial Group, Limited. Under the terms of the agreement, GALIC cedes certain newly issued traditional fixed and indexed annuities on a quota share coinsurance basis with such quota share percentages being up to 50%. That agreement was effective for policies issued after May 6, 2020. Under accounting guidance, the reinsurance transaction will be accounted for using the deposit method.

In October 2020, GALIC entered into a block reinsurance agreement with Commonwealth. Under the terms of the agreement, GALIC ceded approximately $5.96 billion of in force traditional fixed and indexed annuities, representing approximately 15% of its in force business, and transferred related investments to Commonwealth. GALIC realized pretax gains of $369 million (net of deferred policy acquisition costs) from the transfer of securities in this transaction. The reinsurance transaction will be accounted for using the deposit method and the $180 million loss on the transaction will be deferred and recognized over the expected life of the underlying annuity contracts (7-10 years). Under both the flow and block reinsurance agreements, Commonwealth is required to maintain collateral in trusts in excess of amounts owed to GALIC.

Due to the deposit-type nature of annuities, annuity premiums received and benefit payments are recorded as increases or decreases in the annuity benefits accumulated liability rather than as revenue and expense under GAAP. Statutory premiums of AFG’s annuity operations for the last three years were as follows (in millions):

	Statutory Premiums
	2020		2019		2018
Financial institutions single premium annuities — indexed	$	1,372	$	1,537	$	1,776
Financial institutions single premium annuities — fixed	896		1,229		492
Retail single premium annuities — indexed	591		943		1,418
Retail single premium annuities — fixed	99		120		87
Broker dealer single premium annuities — indexed	457		657		1,271
Broker dealer single premium annuities — fixed	27		32		14
Pension risk transfer	499		257		132
Education market — fixed and indexed annuities	129		164		192
Total fixed annuity premiums	4,070		4,939		5,382
Variable annuities	17		21		25
Total gross annuity premiums	4,087		4,960		5,407
Ceded Premiums	(492)		—		—
Total net annuity premiums	$	3,595	$	4,960	$	5,407

Annuities are long-term retirement saving instruments that benefit from income accruing on a tax-deferred basis. The issuer of the annuity collects premiums, credits interest or earnings on the policy and pays out a benefit upon death, surrender or annuitization. Single premium annuities are generally issued in exchange for a one-time, lump-sum premium payment. Certain annuities, primarily in the education market, have premium payments that are flexible in both amount and timing as determined by the policyholder and are generally made through payroll deductions.

Annuity contracts are generally classified as either fixed rate (including indexed) or variable. With a traditional fixed rate annuity, AFG seeks to maintain a desired spread between the yield on its investment portfolio and the rate it credits to policyholders. AFG accomplishes this by: (i) offering crediting rates that it has the option to change after any initial guarantee period (subject to minimum interest rate and other contractual guarantees); (ii) designing annuity products that encourage persistency; and (iii) maintaining an appropriate matching of the duration of assets and liabilities.

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An indexed annuity provides policyholders with the opportunity to receive a crediting rate tied, in part, to the performance of an existing stock market or other financial index (generally the S&P 500) or other external rate, price, or unit value (an “index”). A fixed-indexed annuity protects against the related downside risk through a guarantee of principal (excluding surrender charges, market value adjustments, and certain benefit charges). In 2018, AFG began offering variable-indexed annuities, which are similar to fixed-indexed annuities except that the product offers greater upside participation in the selected index as compared to a fixed-indexed annuity and replaces the guarantee of principal in a fixed-indexed annuity with a guaranteed maximum loss. AFG purchases and sells call and put options designed to substantially offset the effect of the index participation in the liabilities associated with indexed annuities.

As an accommodation in its education market, AFG offers a limited amount of variable annuities. With a variable annuity, the earnings credited to the policy vary based on the investment results of the underlying investment options chosen by the policyholder, generally without any guarantee of principal except in the case of death of the insured. Premiums directed to the underlying investment options maintained in separate accounts are invested in funds managed by various independent investment managers. AFG earns a fee on amounts deposited into separate accounts. Subject to contractual provisions, policyholders may also choose to direct all or a portion of their premiums to various fixed-rate options, in which case AFG earns a spread on amounts deposited.

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 spread earned are often presented by annuity businesses to help users of their financial statements better understand the company’s performance. The following table shows the earnings before income taxes, as well as the net spread earned on fixed annuities, for the annuity segment both before and after the impact of reinsurance, unlocking, changes in the fair value of derivatives and other impacts of the changes in the stock market and interest rates on annuity segment results (dollars in millions):

	Year ended December 31,
	2020			2019			2018
Annuity earnings before income taxes — before the impact of reinsurance, unlocking, derivatives related to FIAs and other impacts of stock market performance and interest rates on FIAs	$	359		$	409		$	409
Reinsurance	(47)			—			—
Unlocking	(46)			(1)			(31)
Impact of derivatives related to FIAs and other impacts of changes in the stock market and interest rates on FIAs over or under option costs (a):
Change in fair value of derivatives related to FIAs	(279)			(294)			(51)
Accretion of guaranteed minimum FIA benefits	(404)			(408)			(347)
Other annuity benefits	(60)			(14)			(83)
Less cost of equity options	562			586			506
Related impact on the amortization of deferred policy acquisition costs (b)	86			84			(42)
Annuity segment earnings before income taxes	$	171		$	362		$	361
Net spread earned on fixed annuities — before impact of reinsurance, unlocking, changes in the fair value of derivatives related to FIAs and other impacts of changes in the stock market and interest rates on FIAs	0.91		%	1.08		%	1.20		%
Impact of changes in fair value of derivatives related to FIAs and other impacts of the stock market and interest rates under (over) option costs	(0.24		%)	(0.12		%)	(0.04		%)
Reinsurance	(0.12		%)	—		%	—		%
Unlocking	(0.12		%)	—		%	(0.09		%)
Net spread earned on fixed annuities	0.43		%	0.96		%	1.07		%

(a)FIAs provide policyholders with a crediting rate tied, in part, to the performance of an existing stock market or other financial index. AFG attempts to mitigate the risk in the index-based component of these products through the purchase and sale of call and put options on the appropriate index. AFG’s strategy is designed so that the net change in the fair value of the call option assets and put option liabilities will generally offset the economic change in the net liability from the index participation. Both the index-based component of the annuities (an embedded derivative with a fair value of $3.93 billion at December 31, 2020) and the related call and put options (net fair value of $820 million at December 31, 2020) are considered derivatives that must be adjusted for changes in fair value 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. Fluctuations in certain of these factors, such as changes in interest rates and the performance of the stock market, are not economic in nature for the current reporting period, but rather impact the timing of reported results.

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

Marketing

AFG sells its single premium annuities, excluding financial institution production (discussed below), primarily through a retail network of approximately 50 national marketing organizations (“NMOs”) and managing general agents (“MGAs”) who, in turn, direct over 500 actively producing agents.

AFG also sells single premium annuities in financial institutions through direct relationships with certain financial institutions and through independent agents and brokers. The table below highlights the percentage of AFG’s total gross annuity premiums generated through its top five financial institution relationships (ranked based on 2020 statutory premiums):

	2020		2019		2018
Wells Fargo & Company	11.9	%	12.0	%	7.4	%
The PNC Financial Services Group, Inc.	9.0	%	8.8	%	6.6	%
Regions Financial Corporation	7.4	%	6.7	%	4.8	%
LPL Financial	4.4	%	4.4	%	4.8	%
BB&T Corporation	3.5	%	5.1	%	3.7	%

Competition

AFG’s annuity businesses operate in highly competitive markets. They compete with other insurers and financial institutions based on many factors, including: (i) ratings; (ii) financial strength; (iii) reputation; (iv) service to policyholders and agents; (v) product design (including interest rates credited, bonus features and index participation); and (vi) commissions. Since most policies are marketed and distributed through independent agents, the insurance companies must also compete for agents.

No single insurer dominates the markets in which AFG’s annuity businesses compete. See Item 1A — Risk Factors. AFG’s competitors include (i) individual insurers and insurance groups, (ii) mutual funds and (iii) other financial institutions. In a broader sense, AFG’s annuity businesses compete for retirement savings with a variety of financial institutions offering a full range of financial services. In the financial institution annuity market, AFG’s annuities compete directly against competitors’ annuities, certificates of deposit and other investment alternatives at the point of sale. In addition, over the last few years, several offshore and/or hedge fund companies have made significant acquisitions of annuity businesses, resulting in annuity groups that are larger in size than AFG’s annuity business.

Sales of annuities, including renewal premiums, are affected by many factors, including: (i) competitive annuity products and rates; (ii) the general level and volatility of interest rates, including the slope of the yield curve; (iii) the favorable tax treatment of annuities; (iv) commissions paid to agents; (v) services offered; (vi) ratings from independent insurance rating agencies; (vii) other alternative investments; (viii) performance and volatility of the equity markets; (ix) media coverage of annuities; (x) regulatory developments regarding suitability and the sales process; and (xi) general economic conditions.

Other Operations

AFG ceased new sales of long-term care insurance in January 2010 and sold substantially all of its run-off long-term care business in December 2015. The legal entities sold in 2015, United Teacher Associates Insurance Company and Continental General Insurance Company, contained substantially all of AFG’s long-term care insurance reserves (96% as measured by net statutory reserves as of November 30, 2015), as well as smaller blocks of annuity and life insurance business. Renewal premiums on the remaining small block of long-term care policies (which are guaranteed renewable) covering approximately 1,500 lives will be accepted unless those policies lapse. At December 31, 2020, AFG’s long-term care insurance reserves were $52 million, net of reinsurance recoverables and excluding the impact of unrealized gains on securities.

Although AFG no longer actively markets new life insurance products, it continues to service and receive renewal premiums on its in force block of approximately 80,000 policies and $8.33 billion gross ($2.91 billion net of reinsurance) of life insurance in force at December 31, 2020. Renewal premiums, net of reinsurance, were $20 million in 2020, $22 million in 2019 and $21 million in 2018. At December 31, 2020, AFG’s life insurance reserves were $280 million, net of reinsurance recoverables.

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On January 27, 2021, AFG entered into a definitive agreement to sell its annuity subsidiaries in a transaction that is expected to close in the second quarter of 2021. In addition to AFG’s annuity segment, the subsidiaries to be sold include AFG’s run-off life and long-term care operations discussed above.

Through subsidiaries, AFG is engaged in a variety of other operations, including commercial real estate operations in Cincinnati (office buildings), Whitefield, New Hampshire (Mountain View Grand Resort), Chesapeake Bay (Skipjack Cove Yachting Resort and Bay Bridge Marina), Charleston (Charleston Harbor Resort and Marina) and Palm Beach (Sailfish Marina and Resort). These operations employed approximately 200 full-time employees at December 31, 2020.

Human Capital Resources

AFG’s principal goal is for all employees to feel included, respected, safe and empowered to perform at their best. AFG helps employees succeed by cultivating specialized knowledge, professional education and leadership development in a service-oriented culture. AFG respects human rights, appreciates diversity and values the unique perspective each employee brings to the workplace. AFG operates with integrity and self-discipline in an environment that values clear and open communication and where the importance of family, community and work-life balance are priorities.

When employees feel actively engaged with AFG’s mission and strategy, they deliver higher levels of service to its customers and create stronger bottom-line results for its business. AFG strives to attract diverse and exceptional people who can grow by fostering a workplace culture that inspires and rewards people and by developing a workforce that can meet the Company’s current and future goals.

AFG offers training programs that encourage people to build careers in insurance and develop professional skills that positively impact employees’ careers as well as AFG’s customers and business. These include tuition reimbursement programs, monetary incentives and extensive personal and professional learning opportunities. AFG believes that professional development is one of many reasons why its average employee tenure exceeds industry averages.

As part of managing AFG’s business responsibly and supporting its employees to be at their best — away from work as well as on the job — AFG provides a competitive benefits package that includes an extensive wellness program. AFG offers onsite fitness centers at many of its locations, financial incentives for taking care of one’s health and health management programs to increase employees’ engagement with their healthcare providers. In response to the COVID-19 pandemic, AFG implemented changes that it considered to be in the best interest of its employees by seamlessly activating business continuity plans, including work-from-home capabilities, alternate work locations and additional remote work options so that its employees continued to work in an uninterrupted manner and operations remained fully functional.

See the Corporate Social Responsibility Report located on AFG’s website for more information regarding human capital programs and initiatives. None of the information provided on the website is incorporated into, or deemed to be a part of, this Annual Report on Form 10-K or in any other report or document we file with the SEC.

Investment Portfolio

General

AFG’s in-house team of investment professionals have followed a consistent strategy over many years and changing economic conditions. Management believes that AFG’s investment expertise has been the driver of strong investment results and effective portfolio risk management over many years.

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The allocation of AFG’s $52.50 billion investment portfolio at December 31, 2020 is shown below.

Investment Portfolio

On January 27, 2021, AFG entered into a definitive agreement to sell its annuity subsidiaries in a transaction that is expected to close in the second quarter of 2021. Approximately $39.69 billion of AFG’s investments at December 31, 2020 are held by AFG’s annuity subsidiaries and will be disposed of in the pending sale. The allocation of AFG’s $12.96 billion investment portfolio, excluding the assets to be disposed is shown below:

For additional information on AFG’s investments, see Note E — “Investments” to the financial statements and Item 7 — Management’s Discussion and Analysis of Financial Condition and Results of Operations — “Investments.” AFG’s earned yield (net investment income divided by average invested assets) on fixed maturities was 4.2% for 2020 and 4.4% for both 2019 and 2018.

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The table below compares total returns, which include changes in fair value, on AFG’s fixed maturities and common stocks and equivalents to comparable public indices. While there are no directly comparable indices to AFG’s portfolio, the two shown below are widely used benchmarks in the financial services industry.

	2020		2019		2018
Total return on AFG’s fixed maturities	6.6	%	8.7	%	1.3	%
Barclays Capital U.S. Universal Bond Index	7.6	%	9.3	%	(0.3	%)
Total return on AFG’s common stocks and equivalents	(1.8	%)	26.0	%	(12.0	%)
Standard & Poor’s 500 Index	18.4	%	31.5	%	(4.4	%)

AFG’s bond portfolio is invested primarily in taxable bonds. The following table shows AFG’s available for sale fixed maturity investments by Standard & Poor’s Corporation or comparable rating as of December 31, 2020 (dollars in millions).

	Amortized		Fair Value
	Cost, net (*)		Amount		%
S&P or comparable rating
AAA, AA, A	$	23,674	$	25,059	59	%
BBB	11,938		13,155		30	%
Total investment grade	35,612		38,214		89	%
BB	869		885		2	%
B	266		264		1	%
CCC, CC, C	478		542		1	%
D	142		166		—	%
Total non-investment grade	1,755		1,857		4	%
Not rated	3,001		3,136		7	%
Total	$	40,368	$	43,207	100	%

(*)Amortized cost, net of allowance for expected credit losses.

The National Association of Insurance Commissioners (“NAIC”) has retained third-party investment management firms to assist in the determination of appropriate NAIC designations for mortgage-backed securities (“MBS”) 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. Approximately 9% of AFG’s fixed maturity investments are MBS. At December 31, 2020, 97% (based on statutory carrying value of $40.37 billion) of AFG’s fixed maturity investments held by its insurance companies had an NAIC designation of 1 or 2 (the highest of the six designations).

Regulation

AFG’s insurance company subsidiaries are subject to regulation in the jurisdictions where they do business. In general, the insurance laws of the various states establish regulatory agencies with broad administrative powers governing, among other things, premium rates, solvency standards, licensing of insurers, agents and brokers, trade practices, forms of policies, maintenance of specified reserves and capital for the protection of policyholders, deposits of securities for the benefit of policyholders, investment activities and relationships between insurance subsidiaries and their parents and affiliates. Material transactions between insurance subsidiaries and their parents and affiliates generally must receive prior approval of the applicable insurance regulatory authorities and be disclosed. In addition, while differing from state to state, these regulations typically restrict the maximum amount of dividends that may be paid by an insurer to its shareholders in any twelve-month period without advance regulatory approval. Such limitations are generally based on net earnings or statutory surplus. Under applicable restrictions, the maximum amount of dividends available to AFG in 2021 from its insurance subsidiaries without seeking regulatory approval is approximately $705 million.

The Dodd-Frank Wall Street Reform and Consumer Protection Act of 2010 (“Dodd-Frank Act”), among other things, established a Federal Insurance Office (“FIO”) within the U.S. Treasury. Under this law, regulations will need to be created for the FIO to carry out its mandate to focus on systemic risk oversight. Since its formation, the FIO has worked with the NAIC and other stakeholders to explore a hybrid approach to regulation of the insurance industry; however, the state-based system of regulation has largely been retained. AFG cannot predict the future role of the FIO and its role in regulation of the insurance industry and how that might ultimately affect AFG’s operations.

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Most states have created insurance guaranty associations that assess solvent insurers to pay claims of insurance companies that become insolvent. Annual guaranty assessments for AFG’s insurance companies have not been material.

Item 1A. Risk Factors

In addition to the other information set forth in this report, particularly information under “Forward-Looking Statements” and “Management’s Discussion and Analysis of Financial Condition and Results of Operations,” the following are the material factors affecting AFG’s business. Any one of these factors could cause AFG’s actual results to vary materially from recent results or from anticipated future results. Additional risks and uncertainties not currently known to AFG or that AFG currently deems to be immaterial also may materially adversely affect AFG’s business, financial condition or results of operations.

RISKS RELATING TO ECONOMIC, POLITICAL AND GLOBAL MARKET CONDITIONS

General economic, financial market and political conditions and conditions in the markets in which we operate may materially adversely affect our investment portfolio, results of operations, financial condition and stock price.

General economic, financial market and political conditions and conditions in the markets in which we operate could have a material adverse effect on our results of operations and financial condition. Limited availability of credit, deteriorations of the global mortgage and real estate markets, declines in consumer confidence and consumer spending, increases in prices or in the rate of inflation, periods of high unemployment, persistently low or rapidly increasing interest rates, disruptive geopolitical events and other events outside of our control, such as a major epidemic or a continuation or worsening of the COVID-19 pandemic or another pandemic, could contribute to increased volatility and diminished expectations for the economy and the financial markets, including the value of our investment portfolio and the market for our stock. In addition, our investment portfolio includes alternative investments which are marked-to-market through earnings. These investments may be adversely impacted by economic volatility, including real estate market deterioration, which could impact our net investment returns and result in an adverse impact on operating results.

A significant majority of AFG’s investment portfolio consists of fixed maturity investments, and changes in global economic conditions, including interest rates, could have a material adverse effect on AFG’s results of operations and financial condition.

As of December 31, 2020, approximately 82% of AFG’s investment portfolio holdings consisted of fixed maturity investments that are sensitive to changes in interest rates. Changes in interest rates may materially adversely affect the performance of some of our investments, including by materially reducing the fair value of and net investment income from fixed maturities and increasing unrealized losses in our investment portfolio. The value of AFG’s fixed maturity investments is also subject to credit risk as certain investments may default or become impaired due to deterioration in the financial condition of issuers of those investments.

Interest rates have remained at historical lows for an extended period. In addition, central banks in some countries have pursued largely unprecedented negative interest rate policies in recent years, the consequences of which are uncertain. The continuation of the current low interest rate environment or a deflationary environment with negative interest rates could affect business behavior in ways that are adverse to AFG and could constrict AFG’s net investment income.

As of December 31, 2020, mortgage-backed securities constituted approximately 9% of AFG’s fixed maturity portfolio. In addition to the risks applicable to the entire fixed maturity investment portfolio, changes in interest rates can expose AFG to prepayment risks on mortgage-backed securities. In periods of declining interest rates, mortgage prepayments generally increase and mortgage-backed securities are paid down more quickly, requiring AFG to reinvest the proceeds at the then current market rates, which may be lower than on the securities repaid.

AFG’s alternative investments may be illiquid and volatile in terms of value and returns, which could negatively affect AFG’s investment income and liquidity.

In addition to fixed maturity securities, AFG has invested, and may from time to time continue to invest in alternative investments such as limited partnerships and subordinate tranches of collateralized loan obligations. These and other similar investments may have different, more significant risk characteristics than investments in fixed maturity securities, may be more volatile and may be illiquid due to restrictions on sales, transfers and redemption terms, all of which could negatively affect AFG’s investment income and overall portfolio liquidity.

AFG has also invested, and from time to time may continue to make investments in limited partnerships and other entities that AFG does not control. AFG does not have management or operational control over the investees which may limit

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AFG’s ability to take actions that could protect or increase the value of the investment. In addition, these investments may be illiquid due to contractual provisions, and AFG may be unable to obtain liquidity through distributions from these investments in a timely manner or on favorable terms.

Alternative or “other” investments may not meet regulatory admissibility requirements or may result in increased regulatory capital charges to the insurance subsidiaries that hold these investments, which could limit those subsidiaries’ ability to pay dividends and negatively impact AFG’s liquidity.

Changes in interest rates could adversely affect the results of operations of AFG’s annuity segment.

The profitability of AFG’s annuity segment is largely dependent on the spread between what it earns on its investments and the crediting rate it pays on its annuity contracts plus expenses incurred.

Both rising and declining interest rates can negatively affect AFG’s annuity results. Most of AFG’s annuity products have guaranteed minimum crediting rates. Although AFG could reduce the average crediting rate on a substantial portion of its traditional fixed and indexed annuities during periods of low or falling interest rates, AFG may not be able to fully offset the decline in investment earnings with lower crediting rates.

During periods of rising interest rates, AFG may experience competitive pressure to increase crediting rates to avoid a decline in sales or increased surrenders, thus resulting in lower spreads. In addition, an increase in surrenders could require the sale of investments at a time when the prices of those assets are lower due to the increase in market rates, which may result in realized investment losses.

The modification or elimination of the London Inter-Bank Offered Rate may adversely affect AFG’s results of operations.

The modification or elimination of the London Inter-Bank Offered Rate (“LIBOR”), a long-standing benchmark interest rate for floating-rate financial contracts, may adversely affect the interest rates on and fair value of AFG’s floating rate investments, interest rate swaps, Federal Home Loan Bank advances and any other assets or liabilities whose value is tied to LIBOR. In addition, the majority of the assets and liabilities of the collateralized loan obligations that AFG manages and consolidates are tied to LIBOR. On July 27, 2017, the U.K. Financial Conduct Authority, which regulates LIBOR, initially announced that it has commitments from panel banks to submit rates to LIBOR through the end of 2021 but will no longer persuade or compel banks to submit rates for the calculation of LIBOR after 2021. Subsequent to such announcement, on November 30, 2020, the ICE Benchmark Administrator announced a plan to extend reporting of most U.S. Dollar-based LIBOR tenors to June 30, 2023. Even with this extension, it remains unclear if, how and in what form, LIBOR will continue to exist after June 30, 2023. Proposals for alternative reference rates for dollars and other currencies have been announced or have already begun publication and contractual provisions relating to alternative rates following the cessation of LIBOR are actively being included in documentation. The State of New York has also proposed legislation which would provide for an alternative rate to LIBOR for contracts which do not include provisions relating to LIBOR cessation. Markets are slowly developing in response to these new rates but questions around liquidity in these alternative reference rates and how to appropriately adjust these alternative reference rates to eliminate any economic value transfer at the time of transition persist. In addition, in certain cases, it is difficult to amend existing contracts to include LIBOR replacement provisions and there are no assurances that a legislative solution will be passed or enforceable. At this time, AFG cannot predict the overall effect of the modification or elimination of LIBOR or the establishment of alternative benchmark rates.

Adverse developments in the financial markets may limit AFG’s access to capital.

Financial markets in the U.S. and elsewhere can experience extreme volatility, which exerts downward pressure on stock prices and limits access to the equity and debt markets for certain issuers, including AFG. While AFG can borrow up to $500 million under its revolving credit facility, AFG’s access to funds through this facility is dependent on the ability of its banks to meet their funding commitments. There were no borrowings outstanding under AFG’s bank credit line or any other parent company short-term borrowing arrangements during 2020. If AFG cannot obtain adequate capital or sources of credit on favorable terms, or at all, its business, operating results and financial condition could be adversely affected.

RISKS RELATING TO OUR INSURANCE OPERATIONS, DISTRIBUTION AND PRODUCTS

Intense competition could adversely affect AFG’s results of operations.

The property and casualty insurance segment operates in a highly competitive industry that is affected by many factors that can cause significant fluctuations in its results of operations. The lines of business in this segment compete with other individual insurers, state funds and insurance groups of varying sizes, some of which are mutual insurance companies possessing competitive advantages in that all their profits inure to their policyholders. In addition, certain foreign insurers

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may be taxed at lower rates, which may result in a competitive advantage over AFG. The property and casualty insurance segment also competes with self-insurance plans, captive programs and risk retention groups. Competition is based on many factors, including service to policyholders and agents, product design, reputation for claims handling, price, commissions, ratings and financial strength.

AFG’s annuity segment competes with individual insurers and insurance groups, mutual funds and other financial institutions. In addition, in recent years, offshore and/or hedge fund companies have made significant acquisitions of annuity businesses. Competition is based on numerous factors including reputation, product design, interest crediting rates, performance, scope of distribution, commissions and perceived financial strength and credit ratings.

Some of AFG’s competitors have more capital and greater resources than AFG and may offer a broader range of products and lower prices than AFG offers. If competition limits AFG’s ability to write new or renewal business at adequate rates, its results of operations will be adversely affected.

The continued threat of terrorism and ongoing military and other actions, as well as civil unrest, may adversely affect AFG’s results of operations.

The occurrence of one or more terrorist attacks could cause significant losses from insurance claims that could adversely affect AFG’s profitability. Private sector catastrophe reinsurance is limited and generally unavailable for terrorism losses caused by attacks with nuclear, biological, chemical or radiological weapons. Reinsurance coverage from the federal government under the Terrorism Risk Insurance Program Reauthorization Act of 2019 (“TRIPRA”) is also limited. Although TRIPRA provides benefits for certified acts of terrorism that exceed a certain threshold of industry losses, those benefits are subject to a deductible and other limitations.

AFG’s results of operations could be adversely impacted by catastrophes, both natural and man-made, pandemics or severe weather conditions or climate change.

Catastrophes can be caused by unpredictable natural events such as hurricanes, windstorms, severe storms, tornadoes, floods, hailstorms, severe winter weather, earthquakes, explosions and fire, and by other events, such as terrorist attacks, as well as pandemics and other similar outbreaks in many parts of the world, including the outbreak of COVID-19. While not considered a catastrophe by insurance industry standards, droughts can have a significant adverse impact on AFG’s crop insurance results. These events may have a material adverse effect on AFG’s workforce and business operations as well as the workforce and operations of AFG’s customers and independent agents. Some of the assets in AFG’s investment portfolio may be adversely affected by declines in the financial markets, changes in interest rates, reduced liquidity and economic activity caused by large-scale catastrophes, pandemics, terrorist attacks or similar events which could have a material adverse effect on AFG’s revenue, liquidity and operating results.

The extent of gross losses for AFG’s insurance operations from a catastrophe event is a function of both the total amount of insured exposure in the area affected by the event and the severity of the event, potentially mitigated by any reinsurance coverage purchased by AFG’s insurance subsidiaries. In addition, certain catastrophes could result in both property and non-property claims from the same event. A severe catastrophe or a series of catastrophes could result in losses exceeding AFG’s reinsurance protection and may have a material adverse impact on its results of operations or financial condition.

Volatility in crop prices, as a result of weather conditions, climate change or otherwise, could adversely impact AFG’s results of operations.

Weather conditions, including too much moisture (flooding or excessive rain) or not enough moisture (droughts), and the level of crop prices in the commodities market heavily impact AFG’s crop insurance business. These factors are inherently unpredictable and could result in significant volatility in the results of the crop insurance business from one year to the next. AFG’s crop results could also be negatively impacted by pests and plant disease. A large decline in the commodity prices of one or more of the major crops that AFG insures could have a material adverse effect on AFG’s results of operations or financial condition.

Changing climate conditions may increase the frequency and severity of catastrophic events and thereby adversely affect our financial condition and results.

Changing weather patterns and climatic conditions, such as global warming, appear to have contributed to the unpredictability, frequency and severity of natural disasters and created additional uncertainty as to future trends and exposures. There is a growing scientific consensus that global warming and other climate change are increasing the frequency and severity of catastrophic weather events, such as hurricanes, tornadoes, windstorms, floods and other natural disasters. Such changes make it more difficult for AFG to predict and model catastrophic events, reducing AFG’s ability to accurately price its exposure to such events and mitigate its risks. Any increase in the frequency or severity of

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natural disasters may result in losses exceeding AFG’s reinsurance protection and may have a material adverse impact on its results of operations or financial condition.

The impact of COVID-19 and related risks could materially affect AFG’s results of operations, financial position and liquidity.

The global COVID-19 pandemic has resulted in, and is expected to continue to result in, significant disruptions in economic activity and financial markets both domestically and internationally. COVID-19 has directly and indirectly adversely affected AFG and will likely continue to do so for an uncertain period of time. The cumulative effects of COVID-19 on AFG cannot be predicted at this time, but could include (or could continue to include), without limitation:

•Continued volatility and further disruption in financial markets which could result in significant declines in the fair value of AFG’s investments and could lead to investment losses due to creditor defaults and bankruptcies;

•Continued low or declining interest rates which could reduce future investment results;

•Continued negative impact on premium volumes and annuity sales due to the impact of COVID-19 on general economic activity;

•Negative impact on the global economy or the economies of particular countries or regions, including travel, trade, tourism, the health system, food supply, consumption and overall economic output;

•Reduced cash flows from policyholders delaying premium payments and increased surrenders and annuitizations of in force annuities;

•Increased claims, including annuity and life insurance death claims, losses, litigation and related expenses;

•Legislative, regulatory, and judicial actions in response to COVID-19, including, but not limited to: actions prohibiting AFG from canceling insurance policies in accordance with policy terms; requiring AFG to cover losses when its policies specifically excluded coverage or did not provide coverage; ordering AFG to provide premium refunds; granting extended grace periods for payment of premiums; and providing for extended periods of time to pay past due premiums; and

•Policyholder losses from COVID-19-related claims could be greater than AFG’s reserves for those losses.

AFG may experience difficulties with technology or data security, which could have an adverse effect on its business or reputation.

AFG uses computer systems and services to store, retrieve, evaluate and utilize company and customer data and information. Systems failures or outages could compromise AFG’s ability to perform business functions in a timely manner, which could harm its ability to conduct business and hurt its relationships with business partners and customers. In the event of a disaster such as a natural catastrophe, an industrial accident, a blackout, a malicious software attack, a terrorist attack or war, AFG’s systems may be inaccessible to employees, customers or business partners for an extended period of time. Even if AFG’s employees are able to report to work, they may be unable to perform their duties for an extended period of time if AFG’s data or systems are disabled or destroyed.

AFG’s computer systems are subject to cyber-attacks, viruses, malware, hackers and other external hazards, as well as inadvertent errors, equipment and system failures and to unauthorized or illegitimate actions by employees, consultants, agents and other persons with legitimate access to AFG’s systems. In addition, over time, the sophistication of these threats continues to increase. AFG’s administrative and technical controls as well as other preventative actions used to reduce the risk of cyber incidents and protect AFG’s information may be insufficient to detect or prevent future unauthorized access, other physical and electronic break-ins, cyber-attacks or other security breaches to AFG’s computer systems or those of third parties with whom AFG does business.

AFG has increasingly outsourced certain technology and business process functions to third parties and may continue to do so in the future. Outsourcing of certain technology and business process functions to third parties may expose AFG to increased risk related to data security or service disruptions. If AFG does not effectively develop, implement and monitor these relationships, third-party providers do not perform as anticipated, technological or other problems are incurred with a transition, or outsourcing relationships relevant to AFG’s business process functions are terminated, AFG may not realize expected productivity improvements or cost efficiencies and may experience operational difficulties, increased costs and a loss of business.

The increased risks identified above could expose AFG to data loss, disruption of service, monetary and reputational damages, competitive disadvantage and significant increases in compliance costs and costs to improve the security and resiliency of AFG’s computer systems. The compromise of personal, confidential or proprietary information could also subject AFG to legal liability or regulatory action under evolving cyber-security, data protection and privacy laws and regulations enacted by the U.S. federal and state governments, Canada, the European Union (the “EU”) or other jurisdictions or by various regulatory organizations or exchanges. As a result, AFG’s ability to conduct business and its results of operations might be materially and adversely affected.

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Any failure to appropriately collect, administer and protect consumer information could adversely affect AFG’s reputation, subject AFG to fines, claims and penalties, and have a material adverse effect on AFG’s business, financial condition and results of operations.

AFG and certain of its third-party vendors collect and store sensitive data in the ordinary course of AFG’s business, including personal identification information of its employees and that of its customers, vendors, investors and other third parties. In connection with AFG’s property and casualty insurance operations, data may include medical information. Laws and regulations in this area are evolving at an international, national and state level and are generally becoming more rigorous, including through the adoption of more stringent subject matter-specific laws, like the California Consumer Privacy Act of 2018, the New York Department of Financial Services’ Cybersecurity Regulation and Ohio’s insurance data security law, which regulate the collection and use of data and security and data breach obligations. If any disruption or security breach results in a loss or damage to AFG’s data, or inappropriate disclosure of AFG’s confidential information or that of others, it could damage AFG’s reputation, affect its relationships with customers and clients, lead to claims against AFG, result in regulatory action and harm AFG’s business. In addition, AFG may be required to incur significant costs to mitigate the damage caused by any security breach or to protect against future damage.

AFG’s international operations exposes it to investment, political and economic risks, including foreign currency and credit risk.

AFG’s international operations expose AFG to a number of additional risks. These risks include restrictions such as price controls, capital controls, currency exchange limits, ownership limits and other restrictive or anti-competitive governmental actions or requirements, which could have an adverse effect on AFG’s business and reputation. AFG’s business activities outside the United States may also be subject to political and economic risks, including foreign currency and credit risk.

AFG’s business activities outside the United States subject AFG to additional domestic and foreign laws and regulations, including the Foreign Corrupt Practices Act, the UK Bribery Act and similar laws in other countries that prohibit the making of improper payments to foreign officials. Although AFG has policies and controls in place that are designed to ensure compliance with these laws, if those controls are ineffective and an employee or intermediary fails to comply with applicable laws and regulations, AFG could suffer civil and criminal penalties and AFG’s business and reputation could be adversely affected. Some countries have laws and regulations that lack clarity and, even with local expertise and effective controls, it can be difficult to determine the exact requirements of, and potential liability for non-compliance under, the local laws. Failure to comply with local laws in a particular market may result in substantial liability and could have a significant and negative effect not only on AFG’s business in that market but also on AFG’s reputation generally.

Ineffective risk management policies in the indexed annuity business could adversely affect AFG’s results of operations.

AFG’s risk management policies and procedures, which are intended to identify, monitor and manage economic risks in its annuity business, may not be fully effective at mitigating risk exposures in all market conditions or against all types of risk. For instance, AFG uses derivatives to alleviate risks related to floating-rate investments as well as annuity products that credit interest or provide a return based, in part, on the change in a referenced index. AFG’s use of derivatives may not accurately counterbalance the actual risk exposure, and any derivatives held may not be sufficient to completely hedge the associated risks. In addition, counterparties may fail to perform under the derivative financial instruments. AFG may also decide not to hedge, or fail to identify, certain risks to which it is exposed. Ultimately, AFG’s use of derivatives and other risk management strategies may be inadequate to protect against the full extent of the exposure or losses AFG seeks to mitigate.

A significant percentage of AFG’s sales of annuity products through financial institutions is concentrated in a small number of institutions.

Annuity premiums generated through financial institutions represented 55% of AFG’s total gross annuity premiums in 2020. In 2020, two large financial institutions accounted for 38% of AFG’s total gross sales through financial institutions and 21% of AFG’s overall gross annuity sales. In the financial institutions annuity market, AFG competes directly against competitors’ annuities, certificates of deposit and other investment alternatives at the point of sale. Loss of a substantial portion of this business coupled with a failure to replace these financial institutions if they significantly reduce sales of AFG annuities could reduce AFG’s future growth.

AFG’s revenues could be adversely affected if it is not able to attract and retain independent agents.

AFG’s reliance on the independent agency market makes it vulnerable to a reduction in the amount of business written by agents. Many of AFG’s competitors also rely significantly on the independent agency market. Some of AFG’s competitors offer a wider variety of products, higher crediting rates or higher commissions. A reduction in the number of independent agencies marketing AFG’s products, the failure of agencies to successfully market AFG’s products, changes in the

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strategy or operations of agencies (including agency consolidation) or the choice of agencies to reduce their writings of AFG products could adversely affect AFG’s revenues and profitability.

Exposure to asbestos or environmental claims could materially adversely affect AFG’s results of operations and financial condition.

AFG has asbestos and environmental (“A&E”) exposures arising from its insurance operations and former railroad and manufacturing operations. Uncertainties surrounding the final resolution of these A&E liabilities continue, and it is difficult to estimate AFG’s ultimate exposure to such liabilities and related litigation. Establishing A&E liabilities is subject to uncertainties that are significantly greater than those presented by other types of liabilities. Uncertainties include the long delays between exposure and manifestation of any bodily injury or property damage, difficulty in identifying the source of the asbestos or environmental contamination, long reporting delays, the risks inherent in complex litigation and difficulty in properly allocating liability for the asbestos or environmental damage. As a result, A&E liabilities are subject to revision as new information becomes available and as claims are made and develop. Claimants continue to assert new and novel theories of recovery, and from time to time, there is proposed state and federal legislation regarding A&E liability, which would also affect AFG’s exposure. If AFG has not established adequate reserves to cover future claims, AFG’s results of operations and financial condition could be materially adversely affected.

AFG may suffer losses from litigation, which could materially and adversely affect AFG’s financial condition and business operations.

AFG, primarily in its property and casualty insurance operations and historical operations, is involved in litigation. Litigation by nature is unpredictable, and the outcome of any case is uncertain and could result in liabilities that vary from the amounts AFG has currently recorded. Pervasive or significant changes in the judicial environment relating to matters such as trends in the size of jury awards, developments in the law relating to the liability of insurers or tort defendants, and rulings concerning the availability or amount of certain types of damages could cause AFG’s ultimate liabilities to change from current expectations. Changes in federal or state tort litigation laws or other applicable law could have a similar effect. It is not possible to predict changes in the judicial and legislative environment, including in connection with asbestos and environmental claims. AFG’s business, financial condition, results of operations and liquidity could also be adversely affected if judicial or legislative developments cause AFG’s ultimate liabilities to increase from current expectations.

RISKS RELATED TO FINANCIAL STRENGTH, CREDIT AND COUNTERPARTIES

A downgrade or potential downgrade in AFG’s financial strength and/or credit ratings by one or more rating agencies could adversely affect its business, financial condition, results of operations and/or cash flows.

Financial strength ratings are an important factor in establishing the competitive position of insurance companies and may have an effect on an insurance company’s sales. A downgrade out of the “A” category in AFG’s insurers’ claims-paying and financial strength ratings could significantly reduce AFG’s business volumes in certain lines of business, adversely impact AFG’s ability to access the capital markets and increase AFG’s borrowing costs.

In addition to the financial strength ratings of AFG’s principal insurance company subsidiaries, various rating agencies also publish credit ratings for AFG. Credit ratings are indicators of a debt issuer’s ability to meet the terms of debt obligations in a timely manner, are part of AFG’s overall financial profile and affect AFG’s ability to access certain types of capital. A downgrade in AFG’s credit ratings could have a material adverse effect on AFG’s financial condition and results of operations and cash flows in a number of ways, including adversely limiting access to capital markets, potentially increasing the cost of debt or increasing borrowing costs under AFG’s current revolving credit facility.

The inability to obtain reinsurance or to collect on ceded reinsurance could adversely affect AFG’s results of operations.

AFG purchases reinsurance to limit the amount of risk it retains. Market conditions determine the availability and cost of the reinsurance protection AFG purchases, which affects the level of AFG’s business and profitability, as well as the level and types of risk AFG retains. If AFG is unable to obtain sufficient reinsurance at a cost AFG deems acceptable, AFG may opt to reduce the volume of its underwriting. AFG is also subject to credit risk with respect to its reinsurers, as AFG will remain liable to its insureds regardless of whether a reinsurer is able to meet its obligations under agreements covering the reinsurance ceded. As of December 31, 2020, AFG has $10.09 billion of recoverables from reinsurers on its balance sheet. The collectability of recoverables from reinsurers is subject to uncertainty arising from a number of factors, including a reinsurers’ financial capacity and willingness to make payments under the terms of a reinsurance treaty or contract and changes in market conditions. Collection risk related to AFG’s $6.54 billion recoverable from traditional and

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indexed annuity reinsurance transactions is significantly reduced since the reinsurer is required to maintain collateral (in trusts) in excess of amounts owed to GALIC.

RISKS RELATING TO ESTIMATES, ASSUMPTIONS AND VALUATIONS

AFG’s property and casualty reserves may be inadequate, which could have a material adverse effect on AFG’s results of operations.

Liabilities for unpaid losses and loss adjustment expenses (“LAE”) do not represent an exact calculation of liability but instead represent management estimates of what the ultimate settlement and administration of claims will cost, supported by actuarial expertise and projection techniques, at a given accounting date. The process of estimating unpaid losses and LAE reserves involves a high degree of judgment and is subject to a number of variables. These variables can be affected by both internal and external events, such as: changes in claims handling procedures, adverse changes in loss cost trends (including inflationary pressures on medical costs), economic conditions (including general inflation), legal trends and legislative changes, and varying judgments and viewpoints of the individuals involved in the estimation process, among others. The impact of many of these items on ultimate costs for unpaid losses and LAE is difficult to estimate. Unpaid losses and LAE reserve estimation difficulties also differ significantly by product line due to differences in claim complexity, the volume of claims, the potential severity of individual claims, the determination of an occurrence date for a claim and lags in the time between damage, loss or injury and when a claim is actually reported to the insurer. In addition, the historic development of AFG’s liability for unpaid losses and LAE may not necessarily reflect future trends in the development of these amounts. Accordingly, it is not appropriate to extrapolate future redundancies or deficiencies based on historical information. To the extent that reserves are inadequate and are strengthened, AFG’s profitability would be adversely affected because the amount of any such increase would be treated as a charge to earnings in the period in which the deficiency is recognized.

Variations from the actuarial assumptions used to establish certain assets and liabilities in AFG’s annuity business could adversely affect AFG’s results of operations.

The earnings on AFG’s annuity products depend significantly upon the extent to which actual experience is consistent with the assumptions used in setting reserves and establishing and amortizing deferred policy acquisition costs. These assumptions relate to investment yields (and spreads over fixed annuity crediting rates), benefit utilization rates, equity market performance, the cost of options used in the indexed annuity business, mortality, surrenders, annuitizations and other withdrawals. Developing such assumptions is complex and involves information obtained from company-specific and industry-wide data, as well as general economic information. These assumptions, and therefore AFG’s results of operations, could be negatively impacted by changes in any of the factors listed above.

REGULATORY AND LEGAL RISKS

AFG is subject to comprehensive regulation, and its ability to earn profits may be restricted by these regulations.

AFG is subject to comprehensive regulation by government agencies in the states and countries where its insurance company subsidiaries are domiciled and where these subsidiaries issue policies and handle claims. Most insurance regulations are designed to protect the interests of AFG’s policyholders and third-party claimants as opposed to its investors.

The Dodd-Frank Act, enacted in June 2010, mandates changes to the regulation of the financial services industry. Legislative or regulatory requirements imposed by or promulgated in connection with the Dodd-Frank Act may impact AFG in many ways, including, but not limited to: placing AFG at a competitive disadvantage relative to its competition or other financial services entities; changing the competitive landscape of the financial services sector or the insurance industry; making it more expensive for AFG to conduct its business; and otherwise having a material adverse effect on the overall business climate as well as AFG’s financial condition and results of operations.

Changes in domestic or foreign tax laws or interpretations of such laws could increase AFG’s corporate taxes and reduce earnings. For example, on December 22, 2017, the U.S. enacted The Tax Cuts and Jobs Act of 2017 (“TCJA”), which significantly reformed the U.S. tax code. Amendments or clarifications of the TCJA from additional regulatory and administrative guidance, may occur. Any changes in federal income tax laws, including changes to the TCJA, could adversely affect the federal income taxation of AFG’s ongoing operations and have a material adverse impact on its financial condition and results of operations.

As a participant in the federal crop insurance program, AFG could also be impacted by regulatory and legislative changes affecting that program. For example, the reinsurance levels that the federal government provides to authorized carriers

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could be reduced by future legislation. AFG will continue to monitor new and changing federal regulations and the potential impact, if any, on its insurance company subsidiaries.

On June 5, 2019, the U.S. Securities and Exchange Commission adopted a package of regulatory proposals to enhance standards of conduct owed by broker-dealers to their clients known as Regulation Best Interest. The new rule heightens the standards that registered representatives need to meet when making a recommendation by requiring them to act in the best interest of the retail customer at the time of the recommendation.

Existing insurance-related laws and regulations may become more restrictive in the future or new restrictive laws may be enacted; it is not possible to predict the potential effects of these laws and regulations. The costs of compliance or the failure to comply with existing or future regulations could impose significant burdens on AFG.

As a holding company, AFG is dependent on the operations of its insurance company subsidiaries to meet its obligations and pay future dividends.

AFG is a holding company and a legal entity separate and distinct from its insurance company subsidiaries. As a holding company without significant operations of its own, AFG’s principal sources of funds are dividends and other distributions from its insurance company subsidiaries. State insurance laws differ from state to state but, absent advance regulatory approval, restrict the maximum amount of dividends that may be paid by an insurer to its shareholders in any twelve-month period. AFG’s rights to participate in any distribution of assets of its insurance company subsidiaries are subject to prior claims of policyholders and creditors (except to the extent that its rights, if any, as a creditor are recognized). Consequently, AFG’s ability to pay its debts, expenses and dividends to its shareholders may be limited.

Statutory capital requirements set by the NAIC and the various state insurance regulatory bodies establish regulations that provide minimum capitalization requirements based on risk-based capital (“RBC”) ratios for insurance companies. Statutory surplus and RBC ratios may change in a given year based on a number of factors, including statutory earnings/losses, reserve changes, excess capital held to support growth, equity market and interest rate changes, the value of investment securities, and changes to the RBC formulas. Increases in the amount of capital or reserves that AFG’s larger insurance subsidiaries are required to hold could reduce the amount of future dividends such subsidiaries are able to distribute to the holding company or require capital contributions. Any reduction in the RBC ratios of AFG’s insurance subsidiaries could also adversely affect their financial strength ratings as determined by rating agencies.

Changes to existing accounting standards could adversely impact AFG’s reported results of operations.

As a U.S.-based SEC registrant, AFG prepares its financial statements in accordance with GAAP, as promulgated by the Financial Accounting Standards Board, subject to the accounting-related rules and interpretations of the SEC. Changes in accounting standards, particularly those that specifically apply to insurance company operations, may impact AFG’s reported financial results and could cause increased volatility in reported earnings, resulting in other adverse impacts on AFG’s ratings and cost of capital, and decrease the understandability of AFG’s financial results as well as the comparability of AFG’s reported results with other insurers.

GENERAL RISK FACTORS

Certain shareholders exercise substantial control over AFG’s affairs, which may impede a change of control transaction.

Carl H. Lindner III and S. Craig Lindner are each Co-Chief Executive Officers and Directors of AFG. Together, Carl H. Lindner III and S. Craig Lindner beneficially own 12.0% of AFG’s outstanding Common Stock as of February 1, 2021. Other members of the Lindner family own, directly or through trusts, a significant number of additional shares of AFG Common Stock. As a result, the Lindner family has the ability to exercise significant influence over AFG’s management and over matters requiring shareholder approval. Such influence could prevent an acquisition of AFG at a price which other shareholders may find attractive.

The price of AFG Common Stock may fluctuate significantly, which may make it difficult for holders to resell common stock when they want or at a price they find attractive.

The price of AFG Common Stock, which is listed on the NYSE, constantly changes. AFG’s Common Stock price could materially fluctuate or decrease in response to a number of events or factors discussed in this section in addition to other events or factors including: quarterly variations in our operating results; operating and stock price performance of comparable companies; and negative publicity relating to us or our competitors. In addition, broad market and industry fluctuations may materially and adversely affect the trading price or volume of AFG Common Stock, regardless of our actual operating performances.

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Item 2. Properties

AFG and its insurance subsidiaries lease the majority of their office and storage facilities in numerous cities throughout the United States and internationally, including the Company’s headquarters in Cincinnati, Ohio. Subsidiaries of AFG own several other buildings in downtown Cincinnati. AFG and its affiliates occupy approximately half of the aggregate 645,000 square feet of commercial and office space in these buildings. A property and casualty insurance subsidiary occupies approximately 90% of the 281,000 square feet of rentable office space on 17.5 acres of land that it owns in Richfield, Ohio. See Item 1 — Business — “Other Operations” for a discussion of AFG’s other commercial real estate operations.

Item 3. Legal Proceedings

AFG and its subsidiaries are involved in litigation from time to time, generally arising in the ordinary course of business. This litigation may include, but is not limited to, general commercial disputes, lawsuits brought by policyholders, employment matters, reinsurance collection matters and actions challenging certain business practices of insurance subsidiaries. Except for the following, management believes that none of the litigation meets the threshold for disclosure under this Item.

AFG’s insurance company subsidiaries and its 100%-owned subsidiary, American Premier Underwriters, Inc (including its subsidiaries, “American Premier”), are parties to litigation and receive claims alleging injuries and damages from asbestos, environmental and other substances and workplace hazards and have established loss accruals for such potential liabilities. None of such litigation or claims is individually material to AFG; however, the ultimate loss for these claims may vary materially from amounts currently recorded as the conditions surrounding resolution of these claims continue to change.

American Premier is a party or named as a potentially responsible party in a number of proceedings and claims by regulatory agencies and private parties under various environmental protection laws, including the Comprehensive Environmental Response, Compensation and Liability Act, seeking to impose responsibility on American Premier for hazardous waste or discharge remediation costs at certain railroad sites formerly owned by its predecessor, Penn Central Transportation Company (“PCTC”), and at certain other sites where hazardous waste or discharge allegedly generated by PCTC’s railroad operations and American Premier’s former manufacturing operations is present. It is difficult to estimate American Premier’s liability for remediation costs at these sites for a number of reasons, including the number and financial resources of other potentially responsible parties involved at a given site, the varying availability of evidence by which to allocate responsibility among such parties, the wide range of costs for possible remediation alternatives, changing technology and the period of time over which these matters develop. Nevertheless, American Premier believes that its accruals for potential environmental liabilities are adequate to cover the probable amount of such liabilities, based on American Premier’s estimates of remediation costs and related expenses and its estimates of the portions of such costs that will be borne by other parties. Such estimates are based on information currently available to American Premier and are subject to future change as additional information becomes available.

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PART II

Item 5. Market for Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities

AFG Common Stock is listed and traded on the New York Stock Exchange under the symbol AFG. There were approximately 5,000 shareholders of record of AFG Common Stock at February 1, 2021.

Issuer Purchases of Equity Securities

AFG repurchased shares of its Common Stock during 2020 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 (*)
First quarter	826,283	$	74.28	826,283	4,173,717
Second quarter	1,194,236	63.71		1,194,236	2,979,481
Third quarter	1,447,588	66.01		1,447,588	1,531,893
Fourth quarter:
October	470,644	$	71.69	470,644	6,061,249
November	592,643	77.60		592,643	5,468,606
December	—	—		—	5,468,606
Total	4,531,394	$	69.02	4,531,394

(*)Represents the remaining shares that may be repurchased under the Plans authorized by AFG’s Board of Directors in February 2016 and February 2019. In October 2020, AFG’s Board of Directors authorized the repurchase of five million additional shares.

AFG acquired 97,731 shares of its Common Stock (at an average of $109.89 per share) in the first nine months of 2020, 74 shares (at $73.55 per share) in October 2020, 3,155 shares (at an average of $85.13 per share) in November 2020 and 703 shares (at an average of $88.76 per share) in December 2020 in connection with its stock incentive plans.

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Stock Performance Graph

The following graph compares performance of AFG Common Stock during the five year period from December 31, 2015 through December 31, 2020 with the performance of (i) the S&P 500 Composite Stock Index (“S&P 500 Index”), (ii) the S&P 500 Property & Casualty Insurance Index and (iii) the S&P 500 Life & Health Index. The graph assumes that an initial investment of $100 was made on December 31, 2015 and all dividends were reinvested. The stock price performance presented below is not intended to be indicative of future price performance.

	As of December 31,
	2015		2016		2017		2018		2019		2020
AFG	$	100	$	126	$	163	$	141	$	180	$	151
S&P 500 Index	100		112		136		130		171		203
S&P 500 P&C Index (b)	100		116		142		135		170		181
S&P 500 Life & Health Index (c)	100		125		145		115		142		128

(a)Cumulative total shareholder return measures the performance of a company’s stock (or an index) over time and is calculated as the change in the stock price plus cumulative dividends (assuming dividends are reinvested) over a specific period of time divided by the stock price at the beginning of the time period.

(b)The S&P 500 Property & Casualty Insurance Index included the following companies at December 31, 2020 (weighted by market capitalization): The Allstate Corporation, Chubb Limited, Cincinnati Financial Corporation, Loews Corporation, The Progressive Corporation, The Travelers Companies, Inc. and W.R. Berkley Corporation.

(c)The S&P 500 Life & Health Insurance Index included the following companies at December 31, 2020 (weighted by market capitalization): Aflac Incorporated, Globe Life Inc., Lincoln National Corporation, MetLife Inc., Principal Financial Group, Inc., Prudential Financial, Inc. and Unum Group.

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Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations

INDEX TO MD&A
	Page		Page
General	31	Results of Operations	54
Overview	31	General	54
Critical Accounting Policies	32	Results of Operations — Fourth Quarter	57
Liquidity and Capital Resources	33	Segmented Statement of Earnings	57
Ratios	33	Property and Casualty Insurance	59
Condensed Consolidated Cash Flows	34	Annuity	69
Parent and Subsidiary Liquidity	35	Holding Company, Other and Unallocated	78
Condensed Parent Only Cash Flows	37	Results of Operations — Full Year	82
Contractual Obligations	38	Segmented Statement of Earnings	82
Off-Balance Sheet Arrangements	38	Property and Casualty Insurance	84
Investments	39	Annuity	96
Uncertainties	42	Holding Company, Other and Unallocated	108
Managed Investment Entities	49	Recent and Pending Accounting Standards	113

GENERAL

Following is a discussion and analysis of the financial statements and other statistical data that management believes will enhance the understanding of AFG’s financial condition and results of operations. This discussion should be read in conjunction with the financial statements beginning on page F-1.

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.

At December 31, 2020, AFG (parent) held approximately $215 million in cash and securities and had $500 million available under a bank line of credit, which expires in December 2025.

Pending Sale of the Annuity Business

On January 27, 2021, AFG announced that it entered into a definitive agreement to sell its annuity business to Massachusetts Mutual Life Insurance Company (“MassMutual”) for $3.5 billion in cash, subject to final closing adjustments. Under the terms of the agreement, which is expected to close in the second quarter of 2021, MassMutual will acquire AFG’s wholly-owned annuity subsidiary, Great American Life Insurance Company (“GALIC”) and GALIC’s two insurance subsidiaries, Annuity Investors Life Insurance Company and Manhattan National Life Insurance Company. At December 31, 2020, GALIC and its subsidiaries had approximately $40 billion of traditional fixed and indexed annuity reserves. AFG expects to recognize an after-tax gain on the sale of $620 million to $690 million ($7.10 to $7.90 per AFG share) upon closing. Prior to the completion of the transaction, AFG will acquire approximately $500 million in real estate-related partnerships and directly owned real estate from GALIC. Beginning with the first quarter of 2021, AFG will report the results of the Annuity business as discontinued operations, in accordance with GAAP, which includes adjusting prior period results to reflect these operations as discontinued.

Annuity Block Reinsurance Agreement

GALIC entered into a reinsurance agreement with Commonwealth Annuity and Life Insurance Company (“Commonwealth”), a subsidiary of Global Atlantic Financial Group Limited in October 2020. Under the terms of the

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agreement, GALIC ceded approximately $5.96 billion of in force traditional fixed and indexed annuities, representing approximately 15% of its in force business, and transferred related investments to Commonwealth. The agreement requires Commonwealth to maintain collateral in a trust in excess of amounts owed to GALIC.

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 traditional fixed and indexed annuities in the retail, financial institutions, broker-dealer and registered investment advisor markets.

AFG reported fourth quarter 2020 net earnings attributable to shareholders of $692 million ($7.93 per share, diluted) compared to $211 million ($2.31 per share, diluted) in the fourth quarter of 2019, reflecting:

•higher net realized gains on securities in the fourth quarter of 2020 compared to the fourth quarter of 2019 reflecting the disposal of investments in the annuity block reinsurance transaction,

•higher underwriting profit in the property and casualty insurance segment,

•lower earnings in the annuity segment, and

•higher interest charges on borrowed money.

Full year 2020 net earnings attributable to AFG’s shareholders were $732 million ($8.20 per share, diluted) compared to $897 million ($9.85 per share, diluted) in 2019. The COVID-19 pandemic has had widespread financial and economic impacts and adversely impacted returns on AFG’s $3.81 billion of investments that are accounted for using the equity method or carried at fair value through net earnings. AFG’s results reflect:

•higher underwriting profit in the property and casualty insurance segment,

•lower net investment income in the property and casualty insurance segment,

•lower earnings in the annuity segment, and

•higher interest charges on borrowed money.

Outlook

The COVID-19 pandemic began to have a significant impact on global, social and economic activity during the first quarter of 2020. AFG has taken actions under its business continuity plan to minimize risk to the Company’s employees and to prevent any significant disruption to AFG’s business, agents or policyholders.

Management believes that AFG’s strong financial position and current liquidity and capital at its subsidiaries will give AFG the flexibility to continue to effectively address and respond to the ongoing uncertainties presented by the pandemic. Even with management’s expectation that the impacts of the pandemic will continue into 2021, AFG’s insurance subsidiaries have capital at or in excess of the levels required by ratings agencies in order to maintain their current ratings, and the parent company does not have any near-term debt maturities.

As a result of the contracted economy, exposures in many of AFG’s property and casualty businesses have changed due to workforce reduction, fewer miles driven and reduced revenue. This has and may continue to lead to lower frequency in certain lines while there has and may continue to be COVID-19 related increases in claim frequency in other lines of business.

There is also uncertainty as to potential government decree or legislation that could alter the coverage landscape, such as the imposition of retroactive business interruption insurance. Like most of the insurance industry, AFG’s business interruption coverages require direct physical damage to covered property for business interruption coverage to apply and the vast majority of AFG’s property policies also contain virus exclusions. See Item 1A — “Risk Factors.”

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 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,

•the recoverability of reinsurance,

•the amortization of annuity deferred policy acquisition costs,

•the measurement of the derivatives embedded in indexed annuity liabilities,

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

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•the valuation of investments, including the determination of impairment allowances.

See “Liquidity and Capital Resources — Uncertainties” for a discussion of insurance reserves, recoverables from reinsurers, indexed annuity embedded derivatives and contingencies related to American Premier’s former operations and “Liquidity and Capital Resources — Investments” for a discussion of impairments on investments. Deferred policy acquisition costs (“DPAC”) and certain liabilities related to annuities are amortized in relation to the present value of expected gross profits on the policies. Assumptions considered in determining expected gross profits involve significant judgment and include management’s estimates of interest rates and investment spreads, surrenders, annuitizations, renewal premiums and mortality. Should actual experience require management to change its assumptions (commonly referred to as “unlocking”), a charge or credit would be recorded to adjust DPAC or annuity liabilities to the levels they would have been if the new assumptions had been used from the inception date of each policy.

LIQUIDITY AND CAPITAL RESOURCES

Ratios

AFG’s debt to total capital ratio on a consolidated basis is shown below (dollars in millions). Management intends to maintain the ratio of debt to capital at or below 25% and intends to maintain the capital of its significant insurance subsidiaries at or above levels currently indicated by rating agencies as appropriate for the current ratings.

	December 31,
	2020						2019
	Actual			Adjusted (*)
Principal amount of long-term debt	$	1,993		$	1,993		$	1,493
Total capital	7,486			8,141			6,883
Ratio of debt to total capital:
Including subordinated debt	26.6		%	24.5		%	21.7		%
Excluding subordinated debt	17.6		%	16.2		%	14.8		%

(*)    The adjusted information above is shown “as if” the transaction to sell AFG’s annuity business to MassMutual closed on December 31, 2020, and assumes an after-tax gain on the sale of the annuity business of $655 million (midpoint of the estimated range).

The ratio of debt to total capital is a non-GAAP measure that management believes is useful for investors, analysts and ratings agencies to evaluate AFG’s financial strength and liquidity and to provide insight into how AFG finances its operations. In addition, maintaining a ratio of debt, excluding subordinated debt and debt secured by real estate (if any), to total capital of 35% or lower is a financial covenant in AFG’s bank credit facility. The ratio is calculated by dividing the principal amount of 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).

Fixed charges are computed on a “total enterprise” basis. For purposes of calculating the ratios, “earnings” have been computed by adding to pretax earnings the fixed charges and the noncontrolling interests in earnings of subsidiaries having fixed charges and the undistributed equity in earnings or losses of investees. Fixed charges include interest (including annuity benefits as indicated), amortization of debt premium/discount and expense, preferred dividend and distribution requirements of subsidiaries and a portion of rental expense deemed to be representative of the interest factor. The ratio of core earnings to fixed charges excluding annuity benefits and the ratio of earnings to fixed charges excluding and including annuity benefits are shown in the table below:

	Year ended December 31,
	2020	2019
Ratio of core earnings to fixed charges excluding annuity benefits	10.81	12.78
Impact of non-core items	(1.02)	1.83
Ratio of earnings to fixed charges excluding annuity benefits	9.79	14.61
Impact of including interest on annuities as a fixed charge	(8.13)	(12.76)
Ratio of earnings to fixed charges including annuity benefits	1.66	1.85

Although the ratio of earnings to fixed charges excluding annuity benefits is not required or encouraged to be disclosed under Securities and Exchange Commission rules, some investors and lenders may not consider interest credited to annuity policyholders’ accounts a borrowing cost for an insurance company, and accordingly, believe this ratio is meaningful.

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The NAIC’s model law for risk-based capital (“RBC”) applies to both life and property and casualty companies. RBC formulas determine the amount of capital that an insurance company needs so that it has an acceptable expectation of not becoming financially impaired. At December 31, 2020, the capital ratios of all AFG insurance companies exceeded the RBC requirements.

Condensed Consolidated Cash Flows

AFG’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. Cash flows from operating, investing and financing activities as detailed in AFG’s Consolidated Statement of Cash Flows are shown below (in millions):

	Year ended December 31,
	2020		2019		2018
Net cash provided by operating activities	$	2,183	$	2,456	$	2,083
Net cash used in investing activities	(1,564)		(3,065)		(5,350)
Net cash provided by (used in) financing activities	(123)		1,408		2,444
Net change in cash and cash equivalents	$	496	$	799	$	(823)

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. Cash flows provided by operating activities also include the activity of AFG’s managed investment entities (collateralized loan obligations) other than those activities included in investing or financing activities. The changes in the assets and liabilities of the managed investment entities included in operating activities increased cash flows from operating activities by $25 million in 2020, $23 million in 2019 and $148 million in 2018, accounting for a $2 million increase in cash flows from operating activities in 2020 compared to 2019 and a $125 million decrease in cash flows from operating activities in 2019 compared to 2018. As discussed in Note A — “Accounting Policies — Managed Investment Entities” to the financial statements, AFG has no right to use the CLO assets and no obligation to pay the CLO liabilities and such assets and liabilities are shown separately in AFG’s Balance Sheet. Excluding the impact of the managed investment entities, net cash provided by operating activities was $2.16 billion, $2.43 billion and $1.94 billion in 2020, 2019 and 2018, respectively.

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 businesses. Net cash used in investing activities was $1.56 billion in 2020 compared to $3.07 billion in 2019, a decrease of $1.51 billion. As discussed below (under net cash provided by financing activities), AFG’s annuity segment had net cash flows from annuity policyholders of $351 million in 2020 and $1.66 billion in 2019. Settlements of equity index call options exceeded purchases by $322 million in 2020 compared to $64 million in 2019, accounting for a $258 million decrease in cash used in investing activities. On December 31, 2020, AFG completed the sale of GAI Holding Bermuda and its subsidiaries, comprising the legal entities that own Neon. The assets sold included $425 million in cash and cash equivalents, resulting in an increase in cash used in investing activities in 2020. 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, which are presented separately in AFG’s Balance Sheet. Net investment activity in the managed investment entities was a $281 million use of cash in 2020 compared to an $11 million source of cash in 2019, accounting for a $292 million increase in net cash used in investing activities in 2020 compared to 2019. See Note A — “Accounting Policies — Managed Investment Entities” and Note H — “Managed Investment Entities” to the financial statements.

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Net cash used in investing activities was $3.07 billion in 2019 compared to $5.35 billion in 2018, a decrease of $2.28 billion. As discussed below (under net cash provided by financing activities), AFG’s annuity segment had net cash flows from annuity policyholders of $1.66 billion in 2019 and $2.76 billion in 2018. In addition, AFG’s cash on hand increased by $799 million during 2019 as AFG held more cash due to fewer investment opportunities in 2019 compared to 2018 when AFG invested a large portion of its cash on hand at the beginning of the year. Net investment activity in the managed investment entities was an $11 million source of cash in 2019 compared to a $169 million use of cash in 2018, accounting for a $180 million decrease in net cash used in investing activities in 2019 compared to 2018.

Net Cash Provided by (Used In) Financing Activities   AFG’s financing activities consist primarily of transactions with annuity policyholders, issuances and retirements of long-term debt, issuances and repurchases of common stock, and dividend payments. Net cash used in financing activities was $123 million in 2020 compared to net cash provided by financing activities of $1.41 billion in 2019, a decrease in net cash provided by financing activities of $1.53 billion. Net annuity receipts exceeded annuity surrenders, benefits, withdrawals and transfers by $351 million in 2020 compared to $1.66 billion in 2019, resulting in a $1.31 billion decrease in net cash provided by financing activities in 2020 compared to 2019. In 2020, GALIC transferred $554 million of cash as part of its reinsurance agreement with Commonwealth to cede in force traditional fixed and indexed annuities. In 2020, AFG issued $300 million of 5.25% Senior Notes due in 2030, $150 million of 5.625% Subordinated Debentures due in 2060 and $200 million of 4.50% Subordinated Debentures due in 2060. The net proceeds of these offerings contributed $634 million to net cash provided by financing activities in 2020. The November 2020 redemption of AFG’s 6% Subordinated Debentures due in 2055 was a $150 million use of cash in 2020. In 2019, AFG issued $125 million of 5.875% Subordinated Debentures due in 2059 and $200 million of 5.125% Subordinated Debentures due in 2059, the net proceeds of which contributed $315 million to net cash provided by financing activities in 2019. The December 2019 redemption of AFG’s 6-1/4% Subordinated Debentures was a $150 million use of cash in 2019. During 2020, AFG repurchased $313 million of its Common Stock compared to no share repurchases in 2019. In addition to its regular quarterly cash dividends, AFG paid special cash dividends of $2.00 per share in 2020 and $3.30 per share in 2019, which resulted in total cash dividends of $334 million in 2020 compared to $444 million in 2019. Financing activities also include issuances and retirements of managed investment entity liabilities, which are nonrecourse to AFG and presented separately in AFG’s Balance Sheet. Issuances of managed investment entity liabilities exceeded retirements by $221 million in 2020 compared to retirements of managed investment entity liabilities exceeding issuances by $11 million in 2019, accounting for an $232 million increase in net cash provided by financing activities in 2020 compared to 2019. See Note A — “Accounting Policies — Managed Investment Entities” and Note H — “Managed Investment Entities” to the financial statements.

Net cash provided by financing activities was $1.41 billion in 2019 compared to $2.44 billion in 2018, a decrease of $1.03 billion. Annuity receipts exceeded annuity surrenders, benefits, withdrawals and transfers by $1.66 billion in 2019 compared to $2.76 billion in 2018, resulting in a $1.10 billion decrease in net cash provided by financing activities in 2019 compared to 2018. In 2019, AFG issued $125 million of 5.875% Subordinated Debentures due in 2059 and $200 million of 5.125% Subordinated Debentures due in 2059, the net proceeds of which contributed $315 million to net cash provided by financing activities in 2019. The December redemption of AFG’s 6-1/4% Subordinated Debentures was a $150 million use of cash in 2019. During 2018, AFG had no additional long-term debt borrowings or repayments. In addition to its regular quarterly cash dividends, AFG paid special cash dividends of $3.30 per share and $3.00 per share in 2019 and 2018, respectively, which resulted in total cash dividends of $444 million in 2019 compared to $394 million in 2018. Retirements of managed investment entity liabilities exceeded issuances by $11 million in 2019 compared to issuances of managed investment entity liabilities exceeding retirements by $48 million in 2018, accounting for a $59 million decrease in net cash provided by financing activities in 2019 compared to 2018.

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.

As discussed above, in January 2021, AFG reached a definitive agreement to sell its annuity business to MassMutual for $3.5 billion in cash, subject to final closing adjustments. AFG’s capital and liquidity will be significantly enhanced as a result of the transaction. With a strong balance sheet and substantial excess capital, management will continue to evaluate opportunities for deploying AFG’s excess capital, including the potential for healthy, profitable organic growth, expansion of the Specialty property & casualty niche businesses through acquisitions and start-ups that meet target return thresholds, as well as share repurchases and special dividends.

In December 2020, AFG replaced its existing credit facility with a new five-year, $500 million revolving credit facility which expires in December 2025. Amounts borrowed under this agreement bear interest at rates ranging from 1.00% to 1.875%

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(currently 1.375%) over LIBOR based on AFG’s credit rating. The credit facility also includes provisions relating to the replacement of LIBOR with different floating rates in the event of the discontinuance of LIBOR. There were no borrowings under this agreement, or under any other parent company short-term borrowing arrangements, during 2020.

In 2020, AFG repurchased 4,531,394 shares of its Common Stock for $313 million and paid a special cash dividend of $2.00 per share of AFG Common Stock in December totaling approximately $173 million.

In 2020, AFG issued $300 million of 5.25% Senior Notes due in April 2030, $150 million of 5.625% Subordinated Debentures due in June 2060 and $200 million of 4.50% Subordinated Debentures due in September 2060 to increase liquidity and provide flexibility at the parent holding company in its response to the uncertainties of the economic environment. The net proceeds from the offerings were used for general corporate purposes, which included repurchases of outstanding common shares and the November 2020 redemption of AFG’s $150 million outstanding principal amount of 6% Subordinated Debentures due in November 2055 at par value.

In 2019, AFG paid special cash dividends of $3.30 per share of AFG Common Stock ($1.50 per share in May and $1.80 per share in November) totaling approximately $297 million.

In December 2019, AFG issued $200 million of 5.125% Subordinated Debentures due in December 2059. A portion of the net proceeds of the offering were used to redeem AFG’s $150 million outstanding principal amount of 6-1/4% Subordinated Debentures due in September 2054, at par value, with the remainder used for general corporate purposes.

In March 2019, AFG issued $125 million of 5.875% Subordinated Debentures due in March 2059. The net proceeds of the offering were used for general corporate purposes.

In 2018, AFG paid special cash dividends of $3.00 per share of AFG Common Stock ($1.50 per share in May and November) totaling approximately $267 million and repurchased 65,589 shares of its Common Stock for $6 million.

All debentures and notes issued by AFG are rated investment grade by two nationally recognized rating agencies. Under a currently effective shelf registration statement, AFG can offer additional equity or debt securities. The shelf registration provides AFG with flexibility to access the capital markets from time to time as market and other conditions permit.

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   GALIC, which is expected to be sold in the second quarter of 2021, 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 an additional source of liquidity. At December 31, 2020, GALIC had $1.13 billion in outstanding advances from the FHLB (included in annuity benefits accumulated), bearing interest at rates ranging from 0.31% to 1.35% (average rate of 0.53% at December 31, 2020). While these advances must be repaid between 2021 and 2025 ($931 million in 2021 and $200 million in 2025), GALIC has the option to prepay all or a portion on the majority of the advances. GALIC has invested the proceeds from the advances in fixed maturity securities with similar expected lives as the advances for the purpose of earning a spread over the interest payments due to the FHLB. At December 31, 2020, GALIC estimated that it had additional borrowing capacity of approximately $600 million from the FHLB.

In February 2020, GALIC entered into a flow reinsurance agreement with Commonwealth under which GALIC cedes certain newly issued traditional fixed and indexed annuities on a quota share coinsurance basis with such quota share percentages being up to 50%. That agreement was effective for policies issued after May 6, 2020. Under accounting guidance, the reinsurance transaction will be accounted for using the deposit method.

As discussed above, in the fourth quarter of 2020, GALIC entered into a reinsurance agreement with Commonwealth. Under the terms of the agreement, GALIC ceded approximately $5.96 billion of traditional fixed and indexed annuities, representing approximately 15% of its in force business, and transferred a similar amount of investments to Commonwealth. The assets transferred were primarily available for sale fixed maturity securities, the disposal of which resulted in the recognition of approximately $292 million (net of DPAC and tax) in net realized gains on securities. Under reinsurance accounting guidance, the transaction will be accounted for using the deposit method and the loss on the transaction will be deferred and recognized over the expected life of the underlying annuity contracts (7-10 years). Under both the flow and the block reinsurance agreements, Commonwealth is required to maintain collateral in trusts in excess of amounts owed to GALIC.

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In the fourth quarter of 2018, GALIC entered into a reinsurance treaty with Hannover Life Reassurance Company of America that transfers the risk of certain surrender activity in GALIC’s fixed-indexed annuity business. This treaty meets the statutory risk transfer rules and resulted in increases in statutory surplus (through an after-tax reserve credit) of $139 million at December 31, 2020 and $124 million at December 31, 2019. The treaty reduces statutory capital and surplus volatility related to GALIC’s fixed-indexed annuity policies from stock market fluctuations, which could impact GALIC’s risk-based capital and the amount of dividends available in future periods. Under GAAP, this transaction does not meet the GAAP insurance risk transfer criteria and did not have a material impact on AFG’s financial statements.

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. Due to the anticipated slowdown in cash collections from the state mandated increases in grace periods for premium payments, AFG’s property and casualty insurance subsidiaries have maintained higher than typical cash balances since March 2020. AFG has not experienced a material increase in uncollectable premiums receivable as policyholders continue to make payments in accordance with the agreed upon terms.

For statutory accounting purposes, equity securities of non-affiliates and equity call and put options used in the fixed-indexed and variable-indexed annuity business are generally carried at fair value. At December 31, 2020, AFG’s insurance companies owned publicly traded equity securities with a fair value of $1.59 billion and equity index call and put options with a net fair value of $820 million. Decreases in market prices could adversely affect the insurance group’s capital, potentially impacting the amount of dividends available or necessitating a capital contribution. Conversely, increases in market prices could have a favorable impact on the group’s dividend-paying capability.

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. Even in the current uncertain COVID-19 environment, management believes that the capital levels in AFG’s insurance subsidiaries are adequate to maintain its business and rating agency ratings. Should the current adverse financial conditions continue into 2021, AFG’s insurance subsidiaries will reduce dividend payments to AFG parent as needed to maintain sufficient capital at the insurance companies. 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.

Condensed Parent Only Cash Flows

AFG’s parent holding company only condensed cash flows from operating, investing and financing activities are shown below (in millions):

	Year ended December 31,
	2020		2019		2018
Net cash provided by operating activities	$	483	$	306	$	215
Net cash provided by (used in) investing activities	(294)		(56)		10
Net cash used in financing activities	(140)		(242)		(366)
Net change in cash and cash equivalents	$	49	$	8	$	(141)

Parent Net Cash Provided by Operating Activities   Parent holding company cash flows from operating activities consist primarily of dividends and tax payments received from AFG’s insurance subsidiaries, reduced by tax payments to the IRS and holding company interest and other expenses. Parent holding company net cash provided by operating activities was $483 million in 2020 compared to $306 million in 2019 and $215 million in 2018. The $177 million increase in net cash provided by operating activities in 2020 as compared to 2019 was due primarily to higher dividends received from subsidiaries in 2020 as compared to 2019. The $91 million increase in net cash provided by operating activities in 2019 as compared to 2018 was due primarily to higher dividends received from subsidiaries.

Parent Net Cash Provided by (Used in) Investing Activities   Parent holding company investing activities consist of capital contributions to and returns of capital from subsidiaries and, to a much lesser extent, parent company investment activity. Parent holding company net cash used in investing activities was $294 million in 2020 compared to

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$56 million in 2019 and net cash provided by investing activities of $10 million in 2018. The $56 million in net cash used in investing activities in 2019 and the $10 million in net cash provided by investing activities in 2018 are significantly lower than the $294 million in net cash used in investing activities in 2020 due primarily to higher capital contributions to AFG’s property and casualty subsidiaries in 2020.

Parent Net Cash Used in Financing Activities   Parent company financing activities consist primarily of the issuance and retirement of long-term debt, dividends to shareholders, and, to a lesser extent, proceeds from employee stock option exercises and repurchases of AFG Common Stock. Significant long-term debt and common stock transactions are discussed above under “Parent Holding Company Liquidity.” Parent holding company net cash used in financing activities was $140 million in 2020 compared to $242 million in 2019 and $366 million in 2018. The $102 million decrease in net cash used in financing activities in 2020 as compared to 2019 reflects the net issuances of long-term debt in 2020 and lower dividends (due primarily to special dividends of $2.00 per share in 2020 compared to special dividends of $3.30 per share in 2019), partially offset by $313 million in repurchases of outstanding common shares in 2020 compared to no repurchases in 2019. The $124 million decrease in net cash used in financing activities in 2019 as compared to 2018 reflects the net issuances of long-term debt in 2019, partially offset by higher dividends (due primarily to special dividends of $3.30 per share in 2019 compared to $3.00 per share in 2018).

Contractual Obligations

The following table shows an estimate (based on historical patterns and expected trends) of payments to be made for insurance reserve liabilities, as well as scheduled payments for major contractual obligations (in millions).

	Total		Within One Year		2-3 Years		4-5 Years		More than 5 Years
Annuities (a)	$	46,885	$	4,584	$	10,716	$	11,559	$	20,026
Life, accident and health liabilities (a)	1,217		99		212		139		767
Property and casualty unpaid losses and loss adjustment expenses (b)	10,392		2,827		2,764		1,174		3,627
Long-term debt, including interest	4,307		92		184		184		3,847
Operating leases (c)	178		43		64		43		28
Total	$	62,979	$	7,645	$	13,940	$	13,099	$	28,295

(a)Amounts presented in the table represent estimated cash payments under such contracts, based on significant assumptions related to mortality, morbidity, lapse, renewal, retirement and annuitization. These assumptions also include interest and index crediting consistent with assumptions used to amortize DPAC and assess loss recognition. All estimated cash payments are undiscounted for the time value of money. As a result, total outflows for all years exceed the corresponding liabilities of $42.57 billion for annuity benefits accumulated and $607 million for life, accident and health reserves included in AFG’s Balance Sheet as of December 31, 2020. Based on the same assumptions, AFG projects reinsurance recoveries related to annuity benefits accumulated totaling $7.25 billion as follows: Within 1 year — $876 million; 2-3 years — $1.73 billion; 4-5 years — $2.05 billion; and thereafter — $2.59 billion and reinsurance recoveries related to life, accident and health reserves totaling $577 million as follows: Within 1 year — $58 million; 2-3 years — $91 million; 4-5 years — $74 million; and thereafter — $354 million. Actual payments and their timing could differ significantly from these estimates. Both the annuities and life, accident and health liabilities are part of the pending sale of annuity business, which is expected to close in the second quarter of 2021.

(b)Dollar amounts and time periods are estimates based on historical net payment patterns applied to the gross reserves and do not represent actual contractual obligations. Based on the same assumptions, AFG projects reinsurance recoveries related to these reserves totaling $3.12 billion as follows: Within 1 year — $848 million; 2-3 years — $829 million; 4-5 years — $352 million; and thereafter — $1.09 billion. Actual payments and their timing could differ significantly from these estimates.

(c)Amounts presented in the table represent lease component payments, including short-term lease payments, and exclude non-lease component payments of building leases (primarily common area maintenance and property tax payments). Estimated non-lease component payments totaling $89 million are as follows: Within 1 year — $18 million; 2-3 years — $30 million; 4-5 years — $25 million; and thereafter — $16 million.

AFG has no material contractual purchase obligations or other long-term liabilities at December 31, 2020.

Off-Balance Sheet Arrangements

See Note Q — “Additional Information — Financial Instruments — Unfunded Commitments” to the financial statements.

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Investments

AFG attempts to optimize investment income while building the value of its portfolio, placing emphasis upon total long-term performance.

AFG’s investment portfolio at December 31, 2020, contained $43.21 billion (79% in the annuity subsidiaries to be sold) in fixed maturity securities classified as available for sale and carried at fair value with unrealized gains and losses included in accumulated other comprehensive income and $66 million (64% in the annuity subsidiaries to be sold) in fixed maturities classified as trading with holding gains and losses included in net investment income. In addition, AFG’s investment portfolio includes $1.25 billion (46% in the annuity subsidiaries to be sold) in equity securities carried at fair value with holding gains and losses included in realized gains (losses) on securities and $413 million (50% in the annuity subsidiaries to be sold) in equity securities carried at fair value with holding gains and losses included in net investment income.

As detailed in Note E — “Investments — Net Unrealized Gain on Marketable Securities” to the financial statements, unrealized gains and losses on AFG’s fixed maturity securities are included in shareholders’ equity after adjustments for related changes in DPAC and certain liabilities related to annuity, long-term care and life businesses and deferred income taxes. DPAC and certain other balance sheet amounts applicable to annuity, long-term care and life businesses are adjusted for the impact of unrealized gains or losses on investments as if these gains or losses had been realized, with corresponding increases or decreases (net of tax) included in accumulated other comprehensive income in AFG’s Balance Sheet.

Fixed income investment funds are generally invested in securities with intermediate-term maturities with an objective of optimizing total return while allowing flexibility to react to changes in market conditions. At December 31, 2020, the average life of AFG’s fixed maturities was about 5-1/2 years.

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 AFG’s fixed maturity portfolio, approximately 87% was priced using pricing services at December 31, 2020 and the balance was 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 mortgage-backed securities (“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.

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 December 31, 2020 (dollars in millions). Effects of increases or decreases from the 100 basis points illustrated would be approximately proportional.

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Fair value of fixed maturity portfolio	$	43,273
Percentage impact on fair value of 100 bps increase in interest rates	(3.5		%)
Pretax impact on fair value of fixed maturity portfolio	$	(1,515)
Offsetting adjustments to deferred policy acquisition costs and other balance sheet amounts	650
Estimated pretax impact on accumulated other comprehensive income	(865)
Deferred income tax	182
Estimated after-tax impact on accumulated other comprehensive income	$	(683)

At December 31, 2020 the fair value of the fixed maturity portfolio in AFG’s property and casualty group was $9.10 billion. The pretax impact on the fair value upon a 100 basis point increase in interest rates would have been a decline of approximately $273 million in fair value ($216 million after tax) at December 31, 2020.

Approximately 88% of the fixed maturities held by AFG at December 31, 2020, 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 because, 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.

Summarized information for AFG’s MBS (including those classified as trading) at December 31, 2020, 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 average life of the residential and commercial MBS is approximately 3-1/2 years and 3 years, respectively. Approximately 75% of AFG’s MBS are owned in the annuity businesses expected to be sold.

	Amortized Cost, net (*)		Fair Value		Fair Value as % of Cost		Unrealized Gain (Loss)		% Rated Investment Grade
Collateral type
Residential:
Agency-backed	$	487	$	494	101	%	$	7	100	%
Non-agency prime	1,297		1,403		108	%	106		62	%
Alt-A	757		860		114	%	103		36	%
Subprime	269		299		111	%	30		17	%
Commercial	748		790		106	%	42		96	%
	$	3,558	$	3,846	108	%	$	288	65	%

(*)Amortized cost, net of allowance for expected credit losses.

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 MBS 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. At December 31, 2020, 96% (based on statutory carrying value of $3.52 billion) of AFG’s MBS had an NAIC designation of 1.

Municipal bonds represented approximately 13% of AFG’s fixed maturity portfolio at December 31, 2020. AFG’s municipal bond portfolio is high quality, with 99% of the securities rated investment grade at that date. The portfolio is well diversified across the states of issuance and individual issuers. At December 31, 2020, approximately 79% of the municipal bond portfolio was held in revenue bonds, with the remaining 21% held in general obligation bonds.

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Summarized information for the unrealized gains and losses recorded in AFG’s Balance Sheet at December 31, 2020, is shown in the following table (dollars in millions). Approximately $2.47 billion of available for sale fixed maturity securities had no unrealized gains or losses at December 31, 2020.

	Securities With Unrealized Gains			Securities With Unrealized Losses
Available for Sale Fixed Maturities
Fair value of securities	$	35,209		$	5,528
Amortized cost of securities	$	32,252		$	5,646
Gross unrealized gain (loss)	$	2,957		$	(118)
Fair value as % of amortized cost	109		%	98		%
Number of security positions	4,160			620
Number individually exceeding $2 million gain or loss	374			4
Concentration of gains (losses) by type or industry (exceeding 5% of unrealized):
States and municipalities	$	486		$	(2)
Banks, savings and credit institutions	446			(7)
Mortgage-backed securities	294			(6)
Insurance	226			—
Other asset-backed securities	169			(66)
Technology	160			(1)
Collateralized loan obligations	27			(17)
Percentage rated investment grade	92		%	88		%

The table below sets forth the scheduled maturities of AFG’s available for sale fixed maturity securities at December 31, 2020, 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	5	%	—	%
After one year through five years	30	%	10	%
After five years through ten years	29	%	7	%
After ten years	8	%	4	%
	72	%	21	%
Collateralized loan obligations and other asset-backed securities (average life of approximately 3-1/2 years)	19	%	74	%
Mortgage-backed securities (average life of approximately 3-1/2 years)	9	%	5	%
	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
Fixed Maturities at December 31, 2020
Securities with unrealized gains:
Exceeding $500,000 (1,523 securities)	$	22,847	$	2,570	113	%
$500,000 or less (2,637 securities)	12,362		387		103	%
	$	35,209	$	2,957	109	%
Securities with unrealized losses:
Exceeding $500,000 (70 securities)	$	1,250	$	(74)	94	%
$500,000 or less (550 securities)	4,278		(44)		99	%
	$	5,528	$	(118)	98	%

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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
Securities with Unrealized Losses at December 31, 2020
Investment grade fixed maturities with losses for:
Less than one year (241 securities)	$	2,813	$	(56)	98	%
One year or longer (147 securities)	2,057		(34)		98	%
	$	4,870	$	(90)	98	%
Non-investment grade fixed maturities with losses for:
Less than one year (184 securities)	$	554	$	(21)	96	%
One year or longer (48 securities)	104		(7)		94	%
	$	658	$	(28)	96	%

When a decline in the value of a specific investment is considered to be other-than-temporary, an allowance for credit losses (impairment) is charged to earnings (accounted for as a realized loss). The determination of whether unrealized losses are other-than-temporary requires judgment based on subjective as well as objective factors. Factors considered and resources used by management include:

a)whether the unrealized loss is credit-driven or a result of changes in market interest rates,

b)the extent to which fair value is less than cost basis,

c)cash flow projections received from independent sources,

d)historical operating, balance sheet and cash flow data contained in issuer SEC filings and news releases,

e)near-term prospects for improvement in the issuer and/or its industry,

f)third-party research and communications with industry specialists,

g)financial models and forecasts,

h)the continuity of interest payments, maintenance of investment grade ratings and hybrid nature of certain investments,

i)discussions with issuer management, and

j)ability and intent to hold the investment for a period of time sufficient to allow for anticipated recovery in fair value.

Based on its analysis of the factors listed above, management believes AFG will recover its cost basis (net of any allowance) in the fixed maturity 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 December 31, 2020. Although AFG has the ability to continue holding its fixed maturity 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 regarding 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, increases in the allowance for credit losses 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. For information on AFG’s realized gains (losses) on securities, see “Results of Operations — Consolidated Realized Gains (Losses) on Securities.”

Uncertainties

As more fully explained in the following paragraphs, 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.

Property and Casualty Insurance Reserves   Estimating the liability for unpaid losses and loss adjustment expenses (“LAE”) is inherently judgmental and is influenced by factors that are subject to significant variation. Determining the liability is a complex process incorporating input from many areas of the Company including actuarial, underwriting, pricing, claims and operations management.

The estimates of liabilities for unpaid claims and for expenses of investigation and adjustment of unpaid claims are based upon: (i) the accumulation of case estimates for losses reported prior to the close of the accounting periods on direct business written (“case reserves”); (ii) estimates received from ceding reinsurers and insurance pools and associations; (iii) estimates of claims incurred but not reported or “IBNR” (including possible development on known claims);

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(iv) estimates (based on experience) of expense for investigating and adjusting claims; and (v) the current state of law and coverage litigation.

The process used to determine the total reserve for liabilities involves estimating the ultimate incurred losses and LAE, adjusted for amounts already paid on the claims. The IBNR reserve is derived by first estimating the ultimate unpaid reserve liability and subtracting case reserves for loss and LAE. See Note P — “Insurance — Property and Casualty Insurance Reserves” to the financial statements for a discussion of the factors considered and actuarial methods used in determining management’s best estimate of the ultimate liability for unpaid losses and LAE.

The following table shows (in millions) the breakdown of AFG’s property and casualty insurance reserves between case reserves, IBNR reserves and LAE reserves (estimated amounts required to adjust, record and settle claims, other than the claim payments themselves) at December 31, 2020 and gross written premiums for the year ended December 31, 2020.

	Gross Loss Reserves
	Case		IBNR		LAE		Total Reserves		Gross Written Premiums
Statutory Line of Business
Other liability — occurrence	$	779	$	2,423	$	563	$	3,765	$	1,340
Workers’ compensation	989		1,304		345		2,638		1,130
Other liability — claims made	233		389		288		910		663
Commercial auto/truck liability/medical	289		352		122		763		470
Special property (fire, allied lines, inland marine, earthquake)	222		208		30		460		1,457
Products liability — occurrence	86		219		144		449		169
Commercial multi-peril	169		110		81		360		328
Other lines	181		432		119		732		1,197
Total Statutory	2,948		5,437		1,692		10,077		6,754
Adjustments for GAAP:
Foreign operations	115		165		29		309		319
Deferred gains on retroactive reinsurance	—		22		—		22		—
Loss reserve discounting	(5)		—		—		(5)		—
Other	(11)		—		—		(11)		14
Total Adjustments for GAAP	99		187		29		315		333
Total GAAP Reserves and Premiums	$	3,047	$	5,624	$	1,721	$	10,392	$	7,087

While current factors and reasonably likely changes in variable factors are considered in estimating the liability for unpaid losses and LAE, there is no method or system that can eliminate the risk of actual ultimate results differing from such estimates.

Following is a discussion of certain critical variables affecting the estimation of loss reserves of the more significant long-tail lines of business (asbestos and environmental liabilities are separately discussed below). Many other variables may also impact ultimate claim costs.

An important assumption underlying reserve estimates is that the cost trends implicitly built into development patterns will continue into the future. However, future results could vary due to an unexpected change in the underlying cost trends. This unexpected change could arise from a variety of sources including a general increase in economic inflation, inflation from social programs, new medical technologies, or other factors such as those listed below in connection with AFG’s largest lines of business. It is not possible to isolate and measure the potential impact of just one of these variables, and future cost trends could be partially impacted by several such variables. However, it is reasonable to address the sensitivity of the reserves to potential impact from changes in these variables by measuring the effect of a possible overall 1% change in future cost trends that may be caused by one or more variables. Utilizing the effect of a 1% change in overall cost trends enables changes greater than 1% to be estimated by extrapolation. Each additional 1% change in the cost trend would increase the effect on net earnings by an amount slightly (about 5%) greater than the effect of the previous 1%. For example, if a 1% change in cost trends in a line of business would change net earnings by $20 million, a 2% change would change net earnings by approximately $41 million.

The estimated cumulative impact that a 1% change in cost trends in AFG’s more significant lines of property and casualty business (exceeding 5% of total reserves) would have on net earnings is shown below (in millions).

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Line of business	Effect of 1% Change in Cost Trends
Other liability — occurrence	$	52
Workers’ compensation	71
Other liability — claims made	17
Commercial auto/truck liability/medical	11

The judgments and uncertainties surrounding management’s reserve estimation process and the potential for reasonably possible variability in management’s most recent reserve estimates may also be viewed by looking at how recent historical estimates of reserves have developed. The following table shows (dollars in millions) what the impact on AFG’s net earnings would be on the more significant lines of business if the December 31, 2020, reserves (net of reinsurance) developed at the same rate as the average development of the most recent five years.

	5-yr. Average Development (a)(b)		Net Reserves (b) December 31, 2020		Effect on Net Earnings (b)
Other liability — occurrence	5.5	%	$	1,643	$	(90)
Workers’ compensation	(4.5	%)	2,223		100
Other liability — claims made	(2.2	%)	691		15
Commercial auto/truck liability/medical	(0.9	%)	538		5

(a)Adverse (favorable), net of tax effect.

(b)Excludes asbestos and environmental liabilities.

The following discussion describes key assumptions and important variables that affect the estimate of the reserve for loss and LAE of the more significant lines of business and explains what caused them to change from assumptions used in the preceding period.

Other Liability — Occurrence

This long-tail line of business consists of coverages protecting the insured against legal liability resulting from negligence, carelessness, or a failure to act causing property damage or personal injury to others. Some of the important variables affecting estimation of loss reserves for other liability — occurrence include:

•Litigious climate

•Unpredictability of judicial decisions regarding coverage issues

•Magnitude of jury awards

•Outside counsel costs

•Timing of claims reporting

AFG recorded adverse prior year reserve development of $99 million in 2020 and $143 million in 2019 related to its other liability — occurrence coverage due primarily to continued claim severity increases in excess and umbrella liability coverages. AFG recorded adverse prior year reserve development of $48 million in 2018 due to claim severity increases in excess and umbrella liability coverages as well as late emergence of excess workers’ compensation and Texas non-subscribers workers’ injury claims.

While management applies the actuarial methods mentioned above, more judgment is involved in arriving at the final reserve to be held. For recent accident years, more weight is given to the Bornhuetter-Ferguson method.

Workers’ Compensation

This long-tail line of business provides coverage to employees who may be injured in the course of employment. Some of the important variables affecting estimation of loss reserves for workers’ compensation include:

•Legislative actions and regulatory and legal interpretations

•Future medical cost inflation

•Economic conditions

•Frequency of reopening claims previously closed

•Advances in medical equipment and processes

•Pace and intensity of employee rehabilitation

•Changes in the use of pharmaceutical drugs

•Changes in longevity trends for permanently injured workers

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Approximately 28% and 23% of AFG’s workers’ compensation reserves at December 31, 2020 relate to policies written in Florida and California, respectively. The Castellanos v. Next Door Company decision in Florida and the implementation of Senate Bill 863 in California are two examples of changes that impacted the workers’ compensation operating environment and added difficulty and uncertainty to the estimation of related liabilities.

AFG recorded favorable prior year reserve development of $178 million in 2020 due to lower than anticipated medical claim severity and improving claim closure rates, particularly in the southeastern United States and California. AFG recorded favorable prior year reserve development of $180 million in 2019 related to its workers’ compensation coverage due to lower than anticipated frequency of lost-time claims and medical severity. AFG recorded favorable prior year reserve development of $127 million in 2018 due to lower than anticipated claim severity in the southeastern United States and improving claim closure rates in California.

Other Liability — Claims Made

This long-tail line of business consists mostly of directors’ and officers’ liability (“D&O”). Some of the important variables affecting estimation of loss reserves for other liability — claims made include:

•Litigious climate

•Economic conditions

•Variability of stock prices

•Magnitude of jury awards

The general state of the economy and the variability of the stock price of the insured can affect the frequency and severity of shareholder class action suits and other situations that trigger coverage under D&O policies. For example, from 2008 to 2010, economic conditions led to higher frequency of claims, particularly in the D&O policies for small account and not-for-profit organizations. Since then, claim frequency has decreased from its peak in 2010 and has stabilized to near pre-2008 levels.

AFG recorded favorable prior year reserve development of $8 million in 2020, $4 million in 2019 and $9 million in 2018 on its D&O business as claim frequency and severity was less than expected across several prior accident years.

Commercial Auto/Truck Liability/Medical

This line of business is a mix of coverage protecting the insured against legal liability for property damage or personal injury to others arising from the operation of commercial motor vehicles. The property damage liability exposure is usually short-tail with relatively quick reporting and settlement of claims. The bodily injury and medical payments exposures are longer-tailed; although the claim reporting is relatively quick, the final settlement can take longer to achieve. Some of the important variables affecting estimation of loss reserves for commercial auto/truck liability/medical are similar to other liability — occurrence and include:

•Magnitude of jury awards

•Unpredictability of judicial decisions regarding coverage issues

•Litigious climate and trends

•Change in frequency of severe accidents

•Health care costs and utilization of medical services by injured parties

AFG recorded favorable prior year reserve development of $16 million in 2020, $15 million in 2019 and $26 million in 2018. Although severity trends for this line of business continue to be elevated, the severity has been lower than initially projected in each period.

Recoverables from Reinsurers and Availability of Reinsurance   AFG is subject to credit risk with respect to its reinsurers, as reinsurance contracts do not relieve AFG of its liability to policyholders. To mitigate this risk, substantially all reinsurance is ceded to companies rated “A” or better by S&P or is secured by “funds withheld” or other collateral.

The availability and cost of reinsurance are subject to prevailing market conditions, which are beyond AFG’s control and which may affect AFG’s level of business and profitability. Although the cost of certain reinsurance programs may increase, management believes that AFG will be able to maintain adequate reinsurance coverage at acceptable rates without a material adverse effect on AFG’s results of operations. AFG’s gross and net combined ratios are shown in the table below.

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See Item 1 — Business — “Property and Casualty Insurance Segment — Reinsurance” for more information on AFG’s reinsurance programs. For additional information on the effect of reinsurance on AFG’s historical results of operations see Note P — “Insurance — Reinsurance” to the financial statements.

The following table illustrates the effect that purchasing property and casualty reinsurance has had on AFG’s combined ratio over the last three years.

	2020		2019		2018
Before reinsurance (gross)	97.1	%	95.6	%	94.1	%
Effect of reinsurance	(1.6	%)	0.2	%	(0.3	%)
Actual (net of reinsurance)	95.5	%	95.8	%	93.8	%

Outside of its property and casualty operations, AFG also has reinsurance recoverables of $6.54 billion related to the annuity business and $265 million related to the run-off long-term care and life business. The annuity related recoverable is due from Commonwealth Annuity and Life Insurance Company. Under the terms of the agreements, Commonwealth is required to maintain collateral in trusts in excess of amounts owed to GALIC. Of the $265 million related to the run-off long-term care and life business, $183 million ($179 million net of credit allowances) is due (directly or indirectly) from Hannover Life Reassurance Company of America (rated AA- by S&P).

Asbestos and Environmental-related (“A&E”) Insurance Reserves   Asbestos and environmental reserves of the property and casualty group consisted of the following (in millions):

	December 31,
	2020		2019
Asbestos	$	239	$	221
Environmental	183		162
A&E reserves, net of reinsurance recoverable	422		383
Reinsurance recoverable, net of allowance	150		146
Gross A&E reserves	$	572	$	529

Asbestos reserves include claims asserting alleged injuries and damages from exposure to asbestos. Environmental reserves include claims relating to polluted sites.

Asbestos claims against manufacturers, distributors or installers of asbestos products were presented under the products liability section of their policies, which typically had aggregate limits that capped an insurer’s liability. In addition, asbestos claims are being presented as “non-products” claims, such as those by installers of asbestos products and by property owners or operators who allegedly had asbestos on their property, under the premises or operations section of their policies. Unlike products exposures, these non-products exposures typically had no aggregate limits, creating greater exposure for insurers. Further, in an effort to seek additional insurance coverage, some insureds with installation activities who have substantially eroded their products coverage are presenting new asbestos claims as non-products operations claims or attempting to reclassify previously settled products claims as non-products claims to restore a portion of previously exhausted products aggregate limits.

Approximately 42% of AFG’s net asbestos reserves relate to policies written directly by AFG subsidiaries. Claims from these policies generally are product-oriented claims with only a limited amount of non-products exposures and are dominated by small to mid-sized commercial entities that are mostly regional policyholders with few national target defendants. The remainder is assumed reinsurance business that includes exposures from 1954 to 1983. The asbestos and environmental assumed claims are ceded by various insurance companies under reinsurance treaties. A majority of the individual assumed claims have exposures of less than $100,000 to AFG. Asbestos losses assumed include some of the industry known manufacturers, distributors and installers. Pollution losses include industry known insured names and sites.

Establishing reserves for A&E claims relating to policies and participations in reinsurance treaties and former operations is subject to uncertainties that are significantly greater than those presented by other types of claims. For this group of claims, traditional actuarial techniques that rely on historical loss development trends cannot be used and a range of reasonably possible losses cannot be estimated. Case reserves and expense reserves are established by the claims department as specific policies are identified. In addition to the case reserves established for known claims, management establishes additional reserves for claims not yet known or reported and for possible development on known claims. These additional reserves are management’s best estimate based on periodic comprehensive studies and internal

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reviews adjusted for payments and identifiable changes, supplemented by management’s review of industry information about such claims, with due consideration to individual claim situations.

Management believes that estimating the ultimate liability for asbestos claims presents a unique and difficult challenge to the insurance industry 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. Environmental claims likewise present challenges in prediction, due to uncertainty regarding the interpretation of insurance policies, complexities regarding multi-party involvements at sites, evolving cleanup standards and protracted time periods required to assess the level of cleanup required at contaminated sites.

The following factors could impact AFG’s A&E reserves and payments:

•There is interest at the state level to attempt to legislatively address asbestos liabilities and the manner in which asbestos claims are resolved. These developments are fluid and could result in piecemeal state-by-state solutions.

•The manner by which bankruptcy courts are addressing asbestos liabilities is in flux.

•AFG’s insureds may make claims alleging significant non-products exposures.

While management believes that AFG’s reserves for A&E claims are a reasonable estimate of ultimate liability for such claims, actual results may vary materially from the amounts currently recorded due to the difficulty in predicting the number of future claims, the impact of bankruptcy filings and unresolved issues such as whether coverage exists, whether policies are subject to aggregate limits on coverage, how claims are to be allocated among triggered policies and implicated years and whether claimants who exhibit no signs of illness will be successful in pursuing their claims. A 1% variation in loss cost trends, caused by any of the factors previously described, would change net earnings by approximately $38 million.

AFG tracks its A&E claims by policyholder. The following table shows, by type of claim, the number of policyholders that did not receive any payments in the calendar year separate from policyholders that did receive a payment. Policyholder counts represent policies written by AFG subsidiaries and do not include assumed reinsurance.

	2020	2019	2018
Number of policyholders with no indemnity payments:
Asbestos	97	98	94
Environmental	116	113	112
	213	211	206
Number of policyholders with indemnity payments:
Asbestos	48	46	49
Environmental	22	17	32
	70	63	81
Total	283	274	287

Amounts paid (net of reinsurance recoveries) for asbestos and environmental claims, including LAE, were as follows (in millions):

	2020		2019		2018
Asbestos	$	8	$	17	$	9
Environmental	—		13		17
Total	$	8	$	30	$	26

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The survival ratio is a measure often used by industry analysts to compare A&E reserves’ strength among companies. This ratio is typically calculated by dividing reserves for A&E exposures by the three-year average of paid losses, and therefore measures the number of years that it would take to pay off current reserves based on recent average payments. Because this ratio can be significantly impacted by a number of factors such as loss payout variability, caution should be exercised in attempting to determine reserve adequacy based simply on the survival ratio. At December 31, 2020, the property and casualty insurance segment’s three-year survival ratios compare favorably with industry survival ratios published by A.M. Best (as of December 31, 2019, and adjusted for several large portfolio transfers) as detailed in the following table:

	Property and Casualty Insurance Reserves
	Three-Year Survival Ratio (Times Paid Losses)
	Asbestos	Environmental	Total A&E
AFG (12/31/2020)	21.5	18.2	19.9
Industry (12/31/2019)	7.9	8.5	8.1

During the third quarter of 2020, 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. In addition to its ongoing internal monitoring of asbestos and environmental exposures, 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, with an in-depth internal review during the intervening years.

As a result of the 2020 external study, AFG’s property and casualty insurance segment recorded a $47 million pretax special charge to increase its asbestos reserves by $26 million (net of reinsurance) and its environmental reserves by $21 million (net of reinsurance). Over the past few years, the focus of AFG’s asbestos claims 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 is seeing modestly increasing estimates for indemnity and defense compared to prior studies on certain specific open claims.

The increase in property and casualty environmental reserves was primarily associated with updated estimates of site investigation and remedial costs with respect to existing sites and its estimate of future, but as yet unreported, claims. AFG has updated its view of legal defense costs on open environmental claims as well as a number of claims and sites where the estimated investigation and remediation costs have increased. As in past years, there were no new or emerging broad industry trends that were identified in this review.

An in-depth internal review of AFG’s A&E reserves was completed in the third quarter of 2019. As a result of the 2019 internal review, AFG’s property and casualty insurance segment recorded an $18 million pretax special charge to increase its asbestos reserves by $3 million (net of reinsurance) and its environmental reserves by $15 million (net of reinsurance). The increase in property and casualty environmental reserves relates to updated estimates of site investigation and remedial costs with respect to existing sites and newly identified sites.

An in-depth internal review of AFG’s A&E reserves was also completed in the third quarter of 2018. As a result of the 2018 internal review, AFG’s property and casualty insurance segment recorded an $18 million pretax special charge to increase its asbestos reserves by $6 million (net of reinsurance) and its environmental reserves by $12 million (net of reinsurance). The increase in property and casualty asbestos reserves relates to increased estimates for indemnity and defense costs. The increase in property and casualty environmental reserves was primarily associated with updated estimates of site investigation and remedial costs with respect to existing sites and newly identified sites.

Contingencies related to Subsidiaries’ Former Operations   The A&E studies and reviews discussed above encompassed reserves for various environmental and occupational injury and disease claims and other contingencies arising out of the railroad operations disposed of by American Premier’s predecessor and certain manufacturing operations disposed of by American Premier and its subsidiaries and by Great American Financial Resources, Inc. Charges resulting from the A&E study and reviews were $21 million in 2020, $11 million in 2019 and $9 million in 2018. For a discussion of the charges recorded for those operations, see “Results of Operations — Holding Company, Other and Unallocated.” Liabilities for claims and contingencies arising from these former railroad and manufacturing operations totaled $101 million at December 31, 2020. For a discussion of the uncertainties in determining the ultimate liability, see Note N — “Contingencies” to the financial statements.

Indexed Annuity Embedded Derivatives   As of December 31, 2020, annuity benefits accumulated in AFG’s Balance Sheet includes $3.93 billion for the fair value of the derivatives embedded in its fixed-indexed and variable-indexed annuities. As discussed in Note F — “Derivatives” to the financial statements, AFG’s fixed-indexed and variable-

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indexed annuities provide policyholders with a crediting rate tied, in part, to the performance of an existing stock market or other financial index. Under GAAP, this index participation is considered an embedded derivative that is required to be carried at fair value in the financial statements. AFG attempts to mitigate the risk in the index-based component of these products through the purchase and sale of call and put options on the appropriate index. AFG’s strategy is designed so that the net change in the fair value of the call option assets and put option liabilities will generally offset the economic change in the net liability from the index participation. The fair value of the embedded derivatives represents an estimate of the present value of projected policyholder benefits from the equity participation in excess of the projected minimum guaranteed contract values. As discussed in Note D — “Fair Value Measurements” to the financial statements, the fair value of the embedded derivatives is impacted by fluctuations in interest rates, the stock market (including the cost of options), policyholder behavior and other factors. Fluctuations in certain of these factors, such as changes in interest rates and the performance of the stock market, are not economic in nature for the current reporting period, but rather impact the timing of reported results. The indexed annuity embedded derivatives are part of the pending sale of annuity business, which is expected to close in the second quarter of 2021.

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.

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CONDENSED CONSOLIDATING BALANCE SHEET

	Before CLO Consolidation		Managed Investment Entities		Consol. Entries			Consolidated As Reported
December 31, 2020
Assets:
Cash and investments	$	52,702	$	—	$	(200)	(a)	$	52,502
Assets of managed investment entities	—		4,971		—			4,971
Other assets	16,093		—		—		(a)	16,093
Total assets	$	68,795	$	4,971	$	(200)		$	73,566
Liabilities:
Unpaid losses and loss adjustment expenses and unearned premiums	$	13,195	$	—	$	—		$	13,195
Annuity, life, accident and health benefits and reserves	43,180		—		—			43,180
Liabilities of managed investment entities	—		4,971		(200)		(a)	4,771
Long-term debt and other liabilities	5,631		—		—			5,631
Total liabilities	62,006		4,971		(200)			66,777
Redeemable noncontrolling interests	—		—		—			—
Shareholders’ equity:
Common Stock and Capital surplus	1,367		—		—			1,367
Retained earnings	4,149		—		—			4,149
Accumulated other comprehensive income, net of tax	1,273		—		—			1,273
Total shareholders’ equity	6,789		—		—			6,789
Noncontrolling interests	—		—		—			—
Total equity	6,789		—		—			6,789
Total liabilities and equity	$	68,795	$	4,971	$	(200)		$	73,566
December 31, 2019
Assets:
Cash and investments	$	55,416	$	—	$	(164)	(a)	$	55,252
Assets of managed investment entities	—		4,736		—			4,736
Other assets	10,143		—		(1)		(a)	10,142
Total assets	$	65,559	$	4,736	$	(165)		$	70,130
Liabilities:
Unpaid losses and loss adjustment expenses and unearned premiums	$	13,062	$	—	$	—		$	13,062
Annuity, life, accident and health benefits and reserves	41,018		—		—			41,018
Liabilities of managed investment entities	—		4,736		(165)		(a)	4,571
Long-term debt and other liabilities	5,210		—		—			5,210
Total liabilities	59,290		4,736		(165)			63,861
Redeemable noncontrolling interests	—		—		—			—
Shareholders’ equity:
Common Stock and Capital surplus	1,397		—		—			1,397
Retained earnings	4,009		—		—			4,009
Accumulated other comprehensive income, net of tax	863		—		—			863
Total shareholders’ equity	6,269		—		—			6,269
Noncontrolling interests	—		—		—			—
Total equity	6,269		—		—			6,269
Total liabilities and equity	$	65,559	$	4,736	$	(165)		$	70,130

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

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CONDENSED CONSOLIDATING STATEMENT OF EARNINGS

	Before CLO Consolidation (a)		Managed Investment Entities		Consol. Entries			Consolidated As Reported
Three months ended December 31, 2020
Revenues:
Property and casualty insurance net earned premiums	$	1,325	$	—	$	—		$	1,325
Net investment income	567		—		(19)		(b)	548
Realized gains (losses) on:
Securities	591		—		—			591
Subsidiaries	53		—		—			53
Income (loss) of managed investment entities:
Investment income	—		47		—			47
Gain (loss) on change in fair value of assets/liabilities	—		(1)		9		(b)	8
Other income	55		—		(4)		(c)	51
Total revenues	2,591		46		(14)			2,623
Costs and Expenses:
Insurance benefits and expenses	1,563		—		—			1,563
Expenses of managed investment entities	—		46		(14)		(b)(c)	32
Interest charges on borrowed money and other expenses	144		—		—			144
Total costs and expenses	1,707		46		(14)			1,739
Earnings before income taxes	884		—		—			884
Provision for income taxes	190		—		—			190
Net earnings, including noncontrolling interests	694		—		—			694
Less: Net earnings (loss) attributable to noncontrolling interests	2		—		—			2
Net earnings attributable to shareholders	$	692	$	—	$	—		$	692
Three months ended December 31, 2019
Revenues:
Property and casualty insurance net earned premiums	$	1,370	$	—	$	—		$	1,370
Net investment income	586		—		7		(b)	593
Realized gains (losses) on securities	65		—		—			65
Income (loss) of managed investment entities:
Investment income	—		63		—			63
Gain (loss) on change in fair value of assets/liabilities	—		(1)		(13)		(b)	(14)
Other income	57		—		(4)		(c)	53
Total revenues	2,078		62		(10)			2,130
Costs and Expenses:
Insurance benefits and expenses	1,685		—		—			1,685
Expenses of managed investment entities	—		62		(10)		(b)(c)	52
Interest charges on borrowed money and other expenses	134		—		—			134
Total costs and expenses	1,819		62		(10)			1,871
Earnings before income taxes	259		—		—			259
Provision for income taxes	68		—		—			68
Net earnings, including noncontrolling interests	191		—		—			191
Less: Net earnings (loss) attributable to noncontrolling interests	(20)		—		—			(20)
Net earnings attributable to shareholders	$	211	$	—	$	—		$	211

(a)Includes income of $19 million in the fourth quarter of 2020 and a loss of $7 million in the fourth quarter of 2019, representing the change in fair value of AFG’s CLO investments plus $4 million in both the fourth quarter of 2020 and 2019 in CLO management fees earned.

(b)Elimination of the change in fair value of AFG’s investments in the CLOs, including $10 million and $6 million in the fourth quarter of 2020 and 2019, respectively, in distributions recorded as interest expense by the CLOs.

(c)Elimination of management fees earned by AFG.

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CONDENSED CONSOLIDATING STATEMENT OF EARNINGS - CONTINUED

	Before CLO Consolidation (a)		Managed Investment Entities		Consol. Entries			Consolidated As Reported
Year ended December 31, 2020
Revenues:
Property and casualty insurance net earned premiums	$	5,099	$	—	$	—		$	5,099
Net investment income	2,130		—		2		(b)	2,132
Realized gains (losses) on:
Securities	289		—		—			289
Subsidiaries	23		—		—			23
Income (loss) of managed investment entities:
Investment income	—		201		—			201
Gain (loss) on change in fair value of assets/liabilities	—		(11)		(28)		(b)	(39)
Other income	219		—		(15)		(c)	204
Total revenues	7,760		190		(41)			7,909
Costs and Expenses:
Insurance benefits and expenses	6,394		—		—			6,394
Expenses of managed investment entities	—		190		(41)		(b)(c)	149
Interest charges on borrowed money and other expenses	518		—		—			518
Total costs and expenses	6,912		190		(41)			7,061
Earnings before income taxes	848		—		—			848
Provision for income taxes	127		—		—			127
Net earnings, including noncontrolling interests	721		—		—			721
Less: Net earnings (loss) attributable to noncontrolling interests	(11)		—		—			(11)
Net earnings attributable to shareholders	$	732	$	—	$	—		$	732
Year ended December 31, 2019
Revenues:
Property and casualty insurance net earned premiums	$	5,185	$	—	$	—		$	5,185
Net investment income	2,307		—		(4)		(b)	2,303
Realized gains (losses) on securities	287		—		—			287
Income (loss) of managed investment entities:
Investment income	—		269		—			269
Gain (loss) on change in fair value of assets/liabilities	—		(8)		(22)		(b)	(30)
Other income	238		—		(15)		(c)	223
Total revenues	8,017		261		(41)			8,237
Costs and Expenses:
Insurance benefits and expenses	6,400		—		—			6,400
Expenses of managed investment entities	—		261		(41)		(b)(c)	220
Interest charges on borrowed money and other expenses	509		—		—			509
Total costs and expenses	6,909		261		(41)			7,129
Earnings before income taxes	1,108		—		—			1,108
Provision for income taxes	239		—		—			239
Net earnings, including noncontrolling interests	869		—		—			869
Less: Net earnings (loss) attributable to noncontrolling interests	(28)		—		—			(28)
Net earnings attributable to shareholders	$	897	$	—	$	—		$	897

(a)Includes a loss of $2 million in 2020 and income of $4 million in 2019, representing the change in fair value of AFG’s CLO investments plus $15 million in both 2020 and 2019 in CLO management fees earned.

(b)Elimination of the change in fair value of AFG’s investments in the CLOs, including $26 million in both 2020 and 2019 in distributions recorded as interest expense by the CLOs.

(c)Elimination of management fees earned by AFG.

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CONDENSED CONSOLIDATING STATEMENT OF EARNINGS - CONTINUED

	Before CLO Consolidation (a)		Managed Investment Entities		Consol. Entries			Consolidated As Reported
Year ended December 31, 2018
Revenues:
Property and casualty insurance net earned premiums	$	4,865	$	—	$	—		$	4,865
Net investment income	2,101		—		(7)		(b)	2,094
Realized gains (losses) on securities	(266)		—		—			(266)
Income (loss) of managed investment entities:
Investment income	—		255		—			255
Gain (loss) on change in fair value of assets/liabilities	—		(7)		(14)		(b)	(21)
Other income	239		—		(16)		(c)	223
Total revenues	6,939		248		(37)			7,150
Costs and Expenses:
Insurance benefits and expenses	5,845		—		—			5,845
Expenses of managed investment entities	—		248		(37)		(b)(c)	211
Interest charges on borrowed money and other expenses	455		—		—			455
Total costs and expenses	6,300		248		(37)			6,511
Earnings before income taxes	639		—		—			639
Provision for income taxes	122		—		—			122
Net earnings, including noncontrolling interests	517		—		—			517
Less: Net earnings (loss) attributable to noncontrolling interests	(13)		—		—			(13)
Net earnings attributable to shareholders	$	530	$	—	$	—		$	530

(a)Includes income of $7 million representing the change in fair value of AFG’s CLO investments plus $16 million in CLO management fees earned.

(b)Elimination of the change in fair value of AFG’s investments in the CLOs, including $21 million in distributions recorded as interest expense by the CLOs.

(c)Elimination of management fees earned by AFG.

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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. For example, core net operating earnings excludes realized gains (losses) on securities because such gains and losses are influenced significantly by financial markets, interest rates and the timing of sales. Similarly, significant gains and losses from the sale of real estate are excluded from core earnings as they are influenced by the timing of sales and realized gains (losses) and significant tax benefits (charges) related to subsidiaries are excluded because such gains and losses are largely the result of the changing business strategy and market opportunities. In addition, special charges related to coverage that AFG no longer writes, such as the Neon exited lines and for asbestos and environmental exposures, are excluded from core earnings.

Beginning with the second quarter of 2019, AFG’s core net operating earnings for its annuity segment excludes unlocking, the impact of changes in the fair value of derivatives related to fixed-indexed annuities (“FIAs”), and other impacts of changes in the stock market and interest rates on the accounting for FIAs over or under the cost of the equity index options purchased to mitigate the risk in the index-based component of those FIAs (“annuity non-core earnings (losses)”). Fluctuations in interest rates and the stock market, among other factors, can cause volatility in the periodic measurement of FIA liabilities that management believes can be inconsistent with the long-term economics of this growing portion of AFG’s annuity business. Management believes that separating these impacts as “non-core” provides investors with a better view of the fundamental performance of the business, and a more comparable measure of the annuity segment’s business compared to the results identified as “core” by its peers. Core net operating earnings for the annuity segment for the first quarter of 2019 and prior periods were not adjusted, so results for periods following the change are not directly comparable to prior periods. The impact of the items now considered annuity non-core earnings on prior periods is highlighted in the discussion following the reconciliation of net earnings attributable to shareholders to core net operating earnings.

In the fourth quarter of 2020, AFG entered into a reinsurance agreement (“annuity block reinsurance”) with Commonwealth. Under reinsurance accounting guidance, the transaction will be accounted for using the deposit method and the $180 million loss on the transaction will be deferred and recognized over the expected life of the underlying annuity contracts (7-10 years). Consistent with internal management reporting, the impact of reinsurance on earnings, which includes the amortization of the deferred loss and the impact of changes related to FIAs (discussed above) that are related to reinsured policies and other impacts of reinsurance are excluded from core operating earnings and reported as “annuity non-core earnings (losses)”.

In January 2021, AFG entered into a definitive agreement to sell its Annuity business to MassMutual. Beginning with the first quarter of 2021, AFG will report the results of its annuity segment and the run-off life and long-term care operations (reported in the Holding Company, Other and Unallocated segment) as discontinued operations, in accordance with GAAP, which includes adjusting prior period results to reflect these operations as discontinued.

In December 2019, AFG initiated actions to exit the Lloyd’s of London insurance market, which included placing its Lloyd’s subsidiaries including its Lloyd’s Managing Agency, Neon Underwriting Ltd., into run-off. Neon and its predecessor, Marketform, have failed to achieve AFG’s profitability objectives since AFG’s purchase of Marketform in 2008. Consistent with the treatment of other items that are not indicative of AFG’s ongoing operations (both favorable and unfavorable), beginning with the first quarter of 2020, AFG’s core net operating earnings for its property and casualty insurance segment excludes the run-off operations of Neon (“Neon exited lines”). In the third quarter of 2020, AFG reached a definitive agreement to sell GAI Holding Bermuda and its subsidiaries, comprising the legal entities that own Neon, to RiverStone Holdings Limited. The transaction closed in the fourth quarter of 2020.

AFG recorded $111 million in non-core losses related to the runoff of the Neon business in 2020, which included a $23 million gain on the sale of the business. In conjunction with the sale, AFG recognized a tax benefit of $72 million, resulting in a net non-core, after-tax loss of $39 million from the Neon exited lines in 2020.

The Neon exited lines impact is highlighted in the discussion following the reconciliation of net earnings attributable to shareholders to core net operating earnings.

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The following table (in millions, except per share amounts) identifies non-core items and reconciles net earnings attributable to shareholders to core net operating earnings, a non-GAAP financial measure. AFG believes core net operating earnings is a useful tool for investors and analysts in analyzing ongoing operating trends and for management to evaluate financial performance against historical results because it believes this provides a more comparable measure of its continuing business.

	Three months ended December 31,				Year ended December 31,
	2020		2019		2020		2019		2018
Components of net earnings attributable to shareholders:
Core operating earnings before income taxes	$	346	$	251	$	946	$	967	$	932
Pretax non-core items:
Realized gains (losses) on securities	591		65		289		287		(266)
Annuity non-core earnings (losses) (a)	(48)		24		(188)		(36)		—
Special A&E charges	—		—		(68)		(29)		(27)
Neon exited lines (b)	—		(76)		(122)		(76)		—
Loss on retirement of debt	(5)		(5)		(5)		(5)		—
Other	—		—		(4)		—		—
Earnings before income taxes	884		259		848		1,108		639
Provision for income taxes:
Core operating earnings	77		50		194		193		184
Non-core items:
Realized gains (losses) on securities	123		14		60		60		(56)
Annuity non-core earnings (losses) (a)	(10)		5		(39)		(7)		—
Special A&E charges	—		—		(14)		(6)		(6)
Neon exited lines (b)	1		—		(72)		—		—
Loss on retirement of debt	(1)		(1)		(1)		(1)		—
Other	—		—		(1)		—		—
Total provision for income taxes	190		68		127		239		122
Net earnings, including noncontrolling interests	694		191		721		869		517
Less net earnings (loss) attributable to noncontrolling interests:
Core operating earnings	—		(2)		—		(10)		(13)
Neon exited lines (b)	2		(18)		(11)		(18)		—
Total net earnings (loss) attributable to noncontrolling interests	2		(20)		(11)		(28)		(13)
Net earnings attributable to shareholders	$	692	$	211	$	732	$	897	$	530
Net earnings:
Core net operating earnings	$	269	$	203	$	752	$	784	$	761
Realized gains (losses) on securities	468		51		229		227		(210)
Annuity non-core earnings (losses) (a)	(38)		19		(149)		(29)		—
Special A&E charges	—		—		(54)		(23)		(21)
Neon exited lines (b)	(3)		(58)		(39)		(58)		—
Loss on retirement of debt	(4)		(4)		(4)		(4)		—
Other	—		—		(3)		—		—
Net earnings attributable to shareholders	$	692	$	211	$	732	$	897	$	530
Diluted per share amounts:
Core net operating earnings	$	3.09	$	2.22	$	8.44	$	8.62	$	8.40
Realized gains (losses) on securities	5.36		0.56		2.56		2.47		(2.31)
Annuity non-core earnings (losses) (a)	(0.44)		0.21		(1.67)		(0.31)		—
Special A&E charges	—		—		(0.61)		(0.25)		(0.24)
Neon exited lines (b)	(0.04)		(0.64)		(0.45)		(0.64)		—
Loss on retirement of debt	(0.04)		(0.04)		(0.04)		(0.04)		—
Other	—		—		(0.03)		—		—
Net earnings attributable to shareholders	$	7.93	$	2.31	$	8.20	$	9.85	$	5.85

(a)As discussed above, beginning with the second quarter of 2019, unlocking, the impact of changes in the fair value of derivatives related to FIAs, and other impacts of changes in the stock market and interest rates on the accounting for FIAs over or under the cost of the equity index options purchased to mitigate the risk in the index-based component of those FIAs are considered annuity non-core earnings

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(losses). In addition, the amortization of the deferred loss related to the annuity block reinsurance transaction entered into in the fourth quarter of 2020 and other reinsurance impacts are considered non-core earnings (losses).

(b)As discussed above, beginning with the first quarter of 2020, the Neon run-off operations are considered property and casualty insurance non-core earnings (losses).

AFG reported net earnings attributable to shareholders of $692 million in the fourth quarter of 2020 compared to $211 million in the fourth quarter of 2019 reflecting higher after-tax net realized gains on securities resulting from the disposal of investments associated with AFG’s annuity block reinsurance transaction, higher core net operating earnings and lower non-core losses from the Neon exited lines, partially offset by annuity non-core losses in the fourth quarter of 2020 compared to annuity non-core earnings in the fourth quarter of 2019. Core net operating earnings for the fourth quarter of 2020 increased $66 million compared to the fourth quarter of 2019 reflecting higher core net operating earnings in the annuity segment and higher core underwriting profit in the property and casualty insurance segment, partially offset by higher interest charges on borrowed money.

Net earnings attributable to shareholders decreased $165 million for the full-year of 2020 compared to the same period in 2019 reflecting lower core net operating earnings and higher special A&E charges. In addition, net earnings attributable to shareholders includes after-tax losses of $149 million for the full year of 2020 and $38 million for the full year of 2019 (after tax losses of $9 million in the first quarter, $27 million in the second quarter, $21 million in the third quarter and an after tax gain of $19 million in the fourth quarter) from the annuity reinsurance transaction entered into in the fourth quarter of 2020, annuity unlocking, the impact of changes in the fair value of derivatives related to FIAs and other impacts of changes in the stock market and interest rates on the accounting for FIAs over or under the cost of the equity index options purchased to mitigate the risk in the index-based component of those FIAs. As discussed above, unlocking and this impact on the accounting for FIAs is considered non-core earnings (losses) beginning with the second quarter of 2019. Excluding the $9 million after-tax negative impact of these items on results for the first quarter of 2019, core net operating earnings decreased $41 million in 2020 compared to 2019 reflecting higher interest charges on borrowed money and lower investment income due to lower market interest rates, lower dividend income and the negative impact of the COVID-19 pandemic on partnerships and similar investments and AFG-managed CLOs in both the property and casualty insurance and annuity segments, partially offset by higher underwriting profit in the property and casualty insurance segment and lower holding company expenses.

Net earnings attributable to shareholders increased $367 million for the full-year of 2019 compared to the same period in 2018 due primarily to after-tax net realized gains on securities of $227 million in 2019 compared to after-tax net realized losses of $210 million in 2018. In addition, net earnings attributable to shareholders includes an after-tax loss of $38 million for the full-year of 2019 (after tax losses of $9 million in the first quarter, $27 million in the second quarter and $21 million in the third quarter, and an after tax gain of $19 million in the fourth quarter) and an after-tax loss of $38 million for the full-year of 2018 from unlocking, the impact of changes in the fair value of derivatives related to FIAs, and other impacts of changes in the stock market and interest rates on the accounting for FIAs over or under the cost of the equity index options purchased to mitigate the risk in the index-based component of those FIAs. As discussed above, this impact on the accounting for FIAs is considered non-core earnings (losses) beginning with the second quarter of 2019. Excluding the $9 million after-tax negative impact of these items on results for the first quarter of 2019 and the $38 million after-tax negative impact of these items on results for the full-year of 2018, core net operating earnings decreased $6 million in 2019 compared to 2018 reflecting higher holding company expenses, partially offset by higher earnings in the property and casualty insurance segment. Realized gains (losses) on securities in 2019 and 2018 resulted primarily from the change in fair value of equity securities that were still held at the balance sheet date.

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RESULTS OF OPERATIONS — QUARTERS ENDED DECEMBER 31, 2020 AND 2019

Segmented Statement of Earnings

AFG reports its business as three segments: (i) Property and casualty insurance (“P&C”), (ii) Annuity and (iii) Other, which includes run-off long-term care and life, 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 three months ended December 31, 2020 and 2019 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		Consol. MIEs		Holding Co., other and unallocated		Total		Non-core reclass		Neon exited lines (c)		GAAP Total
Three months ended December 31, 2020
Revenues:
Property and casualty insurance net earned premiums	$	1,299	$	—	$	—	$	—	$	1,299	$	—	$	26	$	1,325
Net investment income	122		429		(19)		16		548		—		—		548
Realized gains (losses) on:
Securities	—		—		—		—		—		591		—		591
Subsidiaries	—		—		—		—		—		—		53		53
Income (loss) of MIEs:
Investment income	—		—		47		—		47		—		—		47
Gain (loss) on change in fair value of assets/liabilities	—		—		8		—		8		—		—		8
Other income	—		36		(4)		19		51		—		—		51
Total revenues	1,421		465		32		35		1,953		591		79		2,623
Costs and Expenses:
Property and casualty insurance:
Losses and loss adjustment expenses	778		—		—		—		778		—		52		830
Commissions and other underwriting expenses	358		—		—		5		363		—		27		390
Annuity benefits	—		242		—		(10)		232		55		—		287
Annuity and supplemental insurance acquisition expenses	—		68		—		1		69		(13)		—		56
Interest charges on borrowed money	—		—		—		24		24		—		—		24
Expenses of MIEs	—		—		32		—		32		—		—		32
Other expenses	11		26		—		72		109		11		—		120
Total costs and expenses	1,147		336		32		92		1,607		53		79		1,739
Earnings before income taxes	274		129		—		(57)		346		538		—		884
Provision for income taxes	58		26		—		(7)		77		112		1		190
Net earnings, including noncontrolling interests	216		103		—		(50)		269		426		(1)		694
Less: Net earnings (loss) attributable to noncontrolling interests	—		—		—		—		—		—		2		2
Core Net Operating Earnings	216		103		—		(50)		269
Non-core earnings attributable to shareholders (a):
Realized gains (losses) on securities, net of tax	—		292		—		176		468		(468)		—		—
Annuity non-core earnings (losses), net of tax (b)	—		(38)		—		—		(38)		38		—		—
Neon exited lines (c)	(3)		—		—		—		(3)		—		3		—
Loss on retirement of debt, net of tax	—		—		—		(4)		(4)		4		—		—
Other, net of tax	—		—		—		—		—		—		—		—
Net Earnings Attributable to Shareholders	$	213	$	357	$	—	$	122	$	692	$	—	$	—	$	692

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					Other
	P&C		Annuity		Consol. MIEs		Holding Co., other and unallocated		Total		Non-core reclass		GAAP Total
Three months ended December 31, 2019
Revenues:
Property and casualty insurance net earned premiums	$	1,370	$	—	$	—	$	—	$	1,370	$	—	$	1,370
Net investment income	120		458		7		8		593		—		593
Realized gains (losses) on securities	—		—		—		—		—		65		65
Income (loss) of MIEs:
Investment income	—		—		63		—		63		—		63
Gain (loss) on change in fair value of assets/liabilities	—		—		(14)		—		(14)		—		(14)
Other income	1		30		(4)		26		53		—		53
Total revenues	1,491		488		52		34		2,065		65		2,130
Costs and Expenses:
Property and casualty insurance:
Losses and loss adjustment expenses	866		—		—		—		866		46		912
Commissions and other underwriting expenses	416		—		—		4		420		30		450
Annuity benefits	—		285		—		(4)		281		(30)		251
Annuity and supplemental insurance acquisition expenses	—		65		—		1		66		6		72
Interest charges on borrowed money	—		—		—		18		18		—		18
Expenses of MIEs	—		—		52		—		52		—		52
Other expenses	12		34		—		65		111		5		116
Total costs and expenses	1,294		384		52		84		1,814		57		1,871
Earnings before income taxes	197		104		—		(50)		251		8		259
Provision for income taxes	39		21		—		(10)		50		18		68
Net earnings, including noncontrolling interests	158		83		—		(40)		201		(10)		191
Less: Net earnings (loss) attributable to noncontrolling interests	(2)		—		—		—		(2)		(18)		(20)
Core Net Operating Earnings	160		83		—		(40)		203
Non-core earnings attributable to shareholders (a):
Realized gains (losses) on securities, net of tax	—		—		—		51		51		(51)		—
Annuity non-core earnings (losses), net of tax (b)	—		19		—		—		19		(19)		—
Neon exited lines charge	(58)		—		—		—		(58)		58		—
Loss on retirement of debt, net of tax	—		—		—		(4)		(4)		4		—
Net Earnings Attributable to Shareholders	$	102	$	102	$	—	$	7	$	211	$	—	$	211

(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.

(b)As discussed under “Results of Operations — General,” beginning with the second quarter of 2019, unlocking, the impact of changes in the fair value of derivatives related to FIAs, and other impacts of changes in the stock market and interest rates on the accounting for FIAs over or under the cost of the equity index options purchased to mitigate the risk in the index-based component of those FIAs are considered annuity non-core earnings (losses). In addition, the amortization of the deferred loss related to the annuity block reinsurance transaction entered into in the fourth quarter of 2020 and other reinsurance impacts are considered non-core earnings (losses).

(c)As discussed under “Results of Operations — General,” beginning with the first quarter of 2020, the Neon run-off operations are considered property and casualty insurance non-core earnings (losses).

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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 LAE, 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 $274 million in GAAP pretax earnings in the fourth quarter of 2020 compared to $121 million in the fourth quarter of 2019, an increase of $153 million (126%). Property and casualty core pretax earnings were $274 million in the fourth quarter of 2020 compared to $197 million in the fourth quarter of 2019, an increase of $77 million (39%). The increase in GAAP pretax earnings reflects higher core pretax earnings and the impact of losses in the Neon exited lines in the fourth quarter of 2019. The increase in core pretax earnings reflects higher core underwriting results in the fourth quarter of 2020 compared to the fourth quarter of 2019.

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 December 31, 2020 and 2019 (dollars in millions):

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	Three months ended December 31,
	2020			2019			% Change
Gross written premiums	$	1,707		$	1,749		(2		%)
Reinsurance premiums ceded	(491)			(436)			13		%
Net written premiums	1,216			1,313			(7		%)
Change in unearned premiums	83			57			46		%
Net earned premiums	1,299			1,370			(5		%)
Loss and loss adjustment expenses	778			866			(10		%)
Commissions and other underwriting expenses	358			416			(14		%)
Core underwriting gain	163			88			85		%
Net investment income	122			120			2		%
Other income and expenses, net	(11)			(11)			—		%
Core earnings before income taxes	274			197			39		%
Pretax non-core Neon exited lines (*)	—			(76)			(100		%)
GAAP earnings before income taxes and noncontrolling interests	$	274		$	121		126		%
(*)In December 2019, AFG initiated actions to exit the Lloyd’s of London insurance market, which included placing its Lloyd’s subsidiaries including its Lloyd’s Managing Agency, Neon Underwriting Ltd. (“Neon”), into run-off. As discussed under “Results of Operations — General,” following the December 2019 decision to exit the Lloyd’s of London insurance market, the results from the Neon exited lines are being treated as non-core earnings (losses) beginning in 2020. Each line item in the table above has been adjusted to remove the impact from the Neon run-off operations in 2020. The following table details the impact of the Neon exited lines to each component of earnings (loss) before income taxes in the property and casualty insurance operations for the three months ended December 31, 2020 (in millions):
	Three months ended December 31, 2020
	Excluding Neon exited lines			Neon exited lines			Total
Gross written premiums	$	1,707		$	14		$	1,721
Reinsurance premiums ceded	(491)			(1)			(492)
Net written premiums	1,216			13			1,229
Change in unearned premiums	83			13			96
Net earned premiums	1,299			26			1,325
Loss and loss adjustment expenses	778			52			830
Commissions and other underwriting expenses	358			27			385
Underwriting gain (loss)	163			(53)			110
Net investment income	122			—			122
Gain on sale of subsidiaries	—			53			53
Other income and expenses, net	(11)			—			(11)
Earnings (loss) before income taxes and noncontrolling interests	$	274		$	—		$	274
	Three months ended December 31,
Combined Ratios:	2020			2019			Change
Specialty lines
Loss and LAE ratio	58.6		%	63.2		%	(4.6		%)
Underwriting expense ratio	27.6		%	30.3		%	(2.7		%)
Combined ratio	86.2		%	93.5		%	(7.3		%)
Aggregate — including exited lines
Loss and LAE ratio	62.6		%	66.6		%	(4.0		%)
Underwriting expense ratio	29.0		%	32.5		%	(3.5		%)
Combined ratio	91.6		%	99.1		%	(7.5		%)

Starting in 1986, AFG’s statutory combined ratio has been better than the U.S. industry average for 33 of the 35 years. Management believes that AFG’s insurance operations have performed better than the industry as a result of its specialty niche focus, product line diversification, stringent underwriting discipline and alignment of compensation incentives.

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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.

Gross Written Premiums

Gross written premiums (“GWP”) for AFG’s property and casualty insurance segment were $1.72 billion for the fourth quarter of 2020 compared to $1.75 billion for the fourth quarter of 2019, a decrease of $28 million (2%). Detail of AFG’s property and casualty gross written premiums is shown below (dollars in millions):

	Three months ended December 31,
	2020				2019
	GWP		%		GWP		%		% Change
Property and transportation	$	647	38	%	$	628	36	%	3	%
Specialty casualty	865		50	%	929		53	%	(7	%)
Specialty financial	195		11	%	192		11	%	2	%
Total specialty	1,707		99	%	1,749		100	%	(2	%)
Neon exited lines	14		1	%	—		—	%	—	%
Aggregate	$	1,721	100	%	$	1,749	100	%	(2	%)

Reinsurance Premiums Ceded

Reinsurance premiums ceded (“Ceded”) for AFG’s property and casualty insurance segment were 29% of gross written premiums for the fourth quarter of 2020 compared to 25% of gross written premiums for the fourth quarter of 2019, an increase of 4 percentage points. Detail of AFG’s property and casualty reinsurance premiums ceded is shown below (dollars in millions):

	Three months ended December 31,
	2020				2019				Change in
	Ceded		% of GWP		Ceded		% of GWP		% of GWP
Property and transportation	$	(207)	32	%	$	(179)	29	%	3	%
Specialty casualty	(300)		35	%	(260)		28	%	7	%
Specialty financial	(32)		16	%	(36)		19	%	(3	%)
Other specialty	48				39
Total specialty	(491)		29	%	(436)		25	%	4	%
Neon exited lines	(1)		7	%	—		—	%	7	%
Aggregate	$	(492)	29	%	$	(436)	25	%	4	%

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Net Written Premiums

Net written premiums (“NWP”) for AFG’s property and casualty insurance segment were $1.23 billion for the fourth quarter of 2020 compared to $1.31 billion for the fourth quarter of 2019, a decrease of $84 million (6%). Detail of AFG’s property and casualty net written premiums is shown below (dollars in millions):

	Three months ended December 31,
	2020				2019
	NWP		%		NWP		%		% Change
Property and transportation	$	440	36	%	$	449	34	%	(2	%)
Specialty casualty	565		46	%	669		51	%	(16	%)
Specialty financial	163		13	%	156		12	%	4	%
Other specialty	48		4	%	39		3	%	23	%
Total specialty	1,216		99	%	1,313		100	%	(7	%)
Neon exited lines	13		1	%	—		—	%	—	%
Aggregate	$	1,229	100	%	$	1,313	100	%	(6	%)

Net Earned Premiums

Net earned premiums (“NEP”) for AFG’s property and casualty insurance segment were $1.33 billion for the fourth quarter of 2020 compared to $1.37 billion for the fourth quarter of 2019, a decrease of $45 million (3%). Detail of AFG’s property and casualty net earned premiums is shown below (dollars in millions):

	Three months ended December 31,
	2020				2019
	NEP		%		NEP		%		% Change
Property and transportation	$	521	39	%	$	505	37	%	3	%
Specialty casualty	572		43	%	676		49	%	(15	%)
Specialty financial	158		12	%	152		11	%	4	%
Other specialty	48		4	%	37		3	%	30	%
Total specialty	1,299		98	%	1,370		100	%	(5	%)
Neon exited lines	26		2	%	—		—	%	—	%
Aggregate	$	1,325	100	%	$	1,370	100	%	(3	%)

The $28 million (2%) decrease in gross written premiums in the fourth quarter of 2020 compared to the fourth quarter of 2019 reflects a decrease in the Specialty casualty sub-segment, partially offset by an increase in the Specialty property and transportation and Specialty financial sub-segments. Overall average renewal rates increased approximately 13% in the fourth quarter of 2020. Excluding rate decreases in the workers’ compensation business, renewal pricing increased approximately 17%.

Property and transportation Gross written premiums increased $19 million (3%) in the fourth quarter of 2020 compared to the fourth quarter of 2019. This increase was largely the result of growth and new business opportunities in the property and inland marine and ocean marine businesses and higher gross written premiums in the crop operations, partially offset by lower premiums in the transportation businesses, primarily from reduced exposures as a result of the COVID-19 pandemic and premium reductions in two large national accounts. Average renewal rates increased nearly 5% for this group in the fourth quarter of 2020. Reinsurance premiums ceded as a percentage of gross written premiums increased 3 percentage points for the fourth quarter of 2020 compared to the fourth quarter of 2019, reflecting higher cessions in the crop insurance, transportation and ocean marine businesses.

Specialty casualty Gross written premiums decreased $64 million (7%) in the fourth quarter of 2020 compared to the fourth quarter of 2019 due primarily to the run-off of Neon. Excluding the impact of $138 million in gross written premiums from the Neon exited lines in the fourth quarter of 2019, gross written premiums increased 9% in the fourth quarter of 2020 compared to the fourth quarter of 2019. This increase reflects significant renewal rate increases, and new business opportunities in the excess and surplus, excess liability and directors and officers businesses, partially offset by lower premiums in the workers’ compensation businesses due to reduced exposures as a result of the COVID-19 pandemic, coupled with renewal rate decreases. Average renewal rates for this group increased approximately 19% in the fourth quarter of 2020. Excluding rate decreases in the workers’ compensation business, renewal rates for this group increased approximately 29%, much higher than the renewal rate increases in the first three quarters of 2020. Reinsurance premiums ceded as a percentage of gross written premiums increased 7 percentage points for the fourth quarter of 2020 compared to the fourth quarter of 2019, reflecting growth in the excess and surplus businesses, which cede a larger percentage of premiums than the overall Specialty casualty sub-segment.

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Specialty financial Gross written premiums increased $3 million (2%) in the fourth quarter of 2020 compared to the fourth quarter of 2019, due primarily to growth in the lender services business, partially offset by COVID-related economic impacts on the surety business and heightened risk selection that has reduced new business in the trade credit business. Average renewal rates for this group increased approximately 9% in the fourth quarter of 2020. Reinsurance premiums ceded as a percentage of gross written premiums decreased 3 percentage points in the fourth quarter of 2020 compared to the fourth quarter of 2019 reflecting lower cessions in the financial institutions business and a change in the mix of business in the fidelity business.

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 property and casualty insurance sub-segments. Reinsurance premiums assumed increased $9 million (23%) in the fourth quarter of 2020 compared to the fourth quarter of 2019, reflecting an increase in premiums retained, primarily from businesses in the Specialty casualty sub-segment.

Combined Ratio

Performance measures such as the combined ratio are often used by property and casualty insurers to help users of their financial statements better understand the company’s performance. The combined ratio is the sum of the loss and loss adjustment expenses (“LAE”) and underwriting expense ratios. These ratios are calculated by dividing each of the respective expenses by net earned premiums. The table below (dollars in millions) details the components of the combined ratio for AFG’s property and casualty insurance segment:

	Three months ended December 31,						Three months ended December 31,
	2020		2019		Change		2020		2019
Property and transportation
Loss and LAE ratio	63.3	%	77.8	%	(14.5	%)
Underwriting expense ratio	22.5	%	22.6	%	(0.1	%)
Combined ratio	85.8	%	100.4	%	(14.6	%)
Underwriting profit (loss)							$	74	$	(2)
Specialty casualty
Loss and LAE ratio	59.0	%	59.4	%	(0.4	%)
Underwriting expense ratio	25.0	%	30.3	%	(5.3	%)
Combined ratio	84.0	%	89.7	%	(5.7	%)
Underwriting profit							$	91	$	69
Specialty financial
Loss and LAE ratio	35.6	%	26.1	%	9.5	%
Underwriting expense ratio	51.2	%	53.5	%	(2.3	%)
Combined ratio	86.8	%	79.6	%	7.2	%
Underwriting profit							$	20	$	32
Total Specialty
Loss and LAE ratio	58.6	%	63.2	%	(4.6	%)
Underwriting expense ratio	27.6	%	30.3	%	(2.7	%)
Combined ratio	86.2	%	93.5	%	(7.3	%)
Underwriting profit							$	179	$	89
Aggregate — including exited lines
Loss and LAE ratio	62.6	%	66.6	%	(4.0	%)
Underwriting expense ratio	29.0	%	32.5	%	(3.5	%)
Combined ratio	91.6	%	99.1	%	(7.5	%)
Underwriting profit							$	110	$	12

The Specialty property and casualty insurance operations generated an underwriting profit of $179 million for the fourth quarter of 2020 compared to $89 million in the fourth quarter of 2019, an increase of $90 million (101%). Higher underwriting profitability in the Property and transportation and Specialty casualty sub-segments was partially offset by lower underwriting profit in the Specialty financial sub-segment. The Specialty property and casualty insurance operations did not record any additional reserve charges for COVID-19 in the fourth quarter of 2020. Overall catastrophe losses were

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$20 million (1.5 points on the combined ratio) and related net reinstatement premium recoveries were $3 million in the fourth quarter of 2020 compared to catastrophe losses of $14 million (1.0 points) and related net reinstatement premiums of $1 million in the fourth quarter of 2019.

Property and transportation This group reported an underwriting profit of $74 million for the fourth quarter of 2020 compared to an underwriting loss of $2 million in the fourth quarter of 2019, an improvement of $76 million (3,800%). Improved year-over-year results in the crop operations following 2019 losses from prevented planting and, to a lesser extent, improved underwriting results in the aviation and transportation businesses were the drivers of the improved results. Catastrophe losses for this group were $6 million (1.2 points on the combined ratio) in the fourth quarter of 2020 compared to $7 million (1.4 points) in the fourth quarter of 2019.

Specialty casualty Underwriting profit for this group was $91 million for the fourth quarter of 2020 compared to $69 million in the fourth quarter of 2019, an increase of $22 million (32%). This increase reflects higher year-over-year underwriting profit in the excess and surplus and excess liability businesses and improved year-over-year results in the general liability business, partially offset by lower favorable prior year reserve development in the workers’ compensation businesses. Catastrophe losses were $5 million (0.8 points on the combined ratio) and related net reinstatement premium recoveries were $3 million in the fourth quarter of 2020 compared to catastrophe losses of $5 million (0.8 points) and related reinstatement premiums of $1 million in the fourth quarter of 2019.

Specialty financial Underwriting profit for this group was $20 million for the fourth quarter of 2020 compared to $32 million in the fourth quarter of 2019, a decrease of $12 million (38%). This decrease reflects lower underwriting profit in the surety and trade credit businesses, along with higher year-over-year catastrophe losses in the financial institutions business. Catastrophe losses were $7 million (4.5 points on the combined ratio) in the fourth quarter of 2020 compared to $2 million (1.1 points) in the fourth quarter of 2019.

Other specialty This group reported an underwriting loss of $6 million for the fourth quarter of 2020 compared to $10 million in the fourth quarter of 2019, a decrease of $4 million (40%), reflecting lower losses in the business assumed by AFG’s internal reinsurance program from the operations that make up AFG’s other Specialty sub-segments in the fourth quarter of 2020 compared to the fourth quarter of 2019.

Neon exited lines In December 2019, AFG initiated actions to exit the Lloyd’s of London insurance market, which included placing its Lloyd’s subsidiaries including its Lloyd’s Managing Agency, Neon Underwriting Ltd., into run-off and recording a non-core charge of $76 million for reserve strengthening and expenses related to exit costs incurred with the run-off of this business. The non-core charge includes $46 million to increase loss reserves (including $7 million of net adverse prior year reserve development) and $30 million of underwriting expenses representing contractual employee severance benefits and other incurred exit costs.

In September 2020, AFG reached a definitive agreement to sell GAI Holding Bermuda and its subsidiaries, comprising the legal entities that own Neon. The transaction closed in the fourth quarter of 2020. AFG recorded $53 million in non-core underwriting losses (including $8 million of net adverse prior year reserve development) related to this business in the fourth quarter of 2020. These losses were offset by a $53 million gain on the sale of Neon recorded in the fourth quarter of 2020.

Consistent with the treatment of other items that are not indicative of AFG’s ongoing operations (both favorable and unfavorable), the $53 million underwriting loss at Neon and offsetting gain on sale in the fourth quarter of 2020 and the $76 million charge related to the Neon exited lines recorded in the fourth quarter of 2019 in connection with AFG’s plans to exit the Lloyd’s of London insurance market are treated as non-core.

Aggregate Aggregate underwriting results for AFG’s property and casualty insurance segment include an underwriting loss of $53 million at Neon in the fourth quarter of 2020, due primarily to catastrophe losses and several large claims and the $76 million Neon exited lines charge mentioned above in the fourth quarter of 2019. Aggregate underwriting results for AFG’s property and casualty insurance segment also include adverse prior year reserve development of $16 million in the fourth quarter of 2020 and $1 million in the fourth quarter of 2019 related to business outside of the Specialty group that AFG no longer writes.

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Losses and Loss Adjustment Expenses

AFG’s overall loss and LAE ratio was 62.6% for the fourth quarter of 2020 compared to 66.6% for fourth quarter of 2019, a decrease of 4.0 percentage points. The components of AFG’s property and casualty losses and LAE amounts and ratio are detailed below (dollars in millions):

	Three months ended December 31,
	Amount				Ratio				Change in
	2020		2019		2020		2019		Ratio
Property and transportation
Current year, excluding COVID-19 related and catastrophe losses	$	352	$	403	67.5	%	79.9	%	(12.4	%)
Prior accident years development	(29)		(18)		(5.6	%)	(3.5	%)	(2.1	%)
COVID-19 related losses	—		—		0.2	%	—	%	0.2	%
Current year catastrophe losses	6		7		1.2	%	1.4	%	(0.2	%)
Property and transportation losses and LAE and ratio	$	329	$	392	63.3	%	77.8	%	(14.5	%)
Specialty casualty
Current year, excluding COVID-19 related and catastrophe losses	$	336	$	422	59.0	%	62.4	%	(3.4	%)
Prior accident years development	(6)		(25)		(1.1	%)	(3.8	%)	2.7	%
COVID-19 related losses	2		—		0.3	%	—	%	0.3	%
Current year catastrophe losses	5		5		0.8	%	0.8	%	—	%
Specialty casualty losses and LAE and ratio	$	337	$	402	59.0	%	59.4	%	(0.4	%)
Specialty financial
Current year, excluding COVID-19 related and catastrophe losses	$	58	$	52	36.5	%	34.2	%	2.3	%
Prior accident years development	(6)		(14)		(3.6	%)	(9.2	%)	5.6	%
COVID-19 related losses	(3)		—		(1.8	%)	—	%	(1.8	%)
Current year catastrophe losses	7		2		4.5	%	1.1	%	3.4	%
Specialty financial losses and LAE and ratio	$	56	$	40	35.6	%	26.1	%	9.5	%
Total Specialty
Current year, excluding COVID-19 related and catastrophe losses	$	774	$	904	59.5	%	66.0	%	(6.5	%)
Prior accident years development	(32)		(53)		(2.4	%)	(3.8	%)	1.4	%
COVID-19 related losses	—		—		—	%	—	%	—	%
Current year catastrophe losses	20		14		1.5	%	1.0	%	0.5	%
Total Specialty losses and LAE and ratio	$	762	$	865	58.6	%	63.2	%	(4.6	%)
Aggregate — including exited lines
Current year, excluding COVID-19 related and catastrophe losses	$	797	$	943	60.1	%	68.9	%	(8.8	%)
Prior accident years development	(8)		(45)		(0.6	%)	(3.3	%)	2.7	%
COVID-19 related losses	—		—		—	%	—	%	—	%
Current year catastrophe losses	41		14		3.1	%	1.0	%	2.1	%
Aggregate losses and LAE and ratio	$	830	$	912	62.6	%	66.6	%	(4.0	%)

Current accident year losses and LAE, excluding COVID-19 related and catastrophe losses

The current accident year loss and LAE ratio, excluding COVID-19 related and catastrophe losses for AFG’s Specialty property and casualty insurance operations was 59.5% for the fourth quarter of 2020 compared to 66.0% for the fourth quarter of 2019, a decrease of 6.5 percentage points.

Property and transportation   The 12.4 percentage points decrease in the loss and LAE ratio for the current year, excluding COVID-19 related and catastrophe losses reflects a decrease in the loss and LAE ratio in the crop operations due to a high level of prevented planting claims resulting from excess rain in the 2019 period and, to a lesser extent, lower loss and LAE ratios in the aviation and transportation businesses due primarily to rate increases and lower claim frequency in the fourth quarter of 2020 compared to the fourth quarter of 2019.

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Specialty casualty   The 3.4 percentage points decrease in the loss and LAE ratio for the current year, excluding COVID-19 related and catastrophe losses reflects a decrease in the loss and LAE ratios of the workers’ compensation, targeted markets, general liability, executive liability and excess and surplus businesses, partially offset by the impact of the Neon exited lines in the fourth quarter of 2019, which has a lower loss and LAE ratio than many of the other businesses in the Specialty casualty group. Excluding the impact of the Neon exited lines, the loss and LAE ratio for the current year, excluding COVID-19 related and catastrophe losses decreased 6.9 percentage points in the fourth quarter of 2020 compared to the fourth quarter of 2019.

Specialty financial   The 2.3 percentage points increase in the loss and LAE ratio for the current year, excluding COVID-19 related and catastrophe losses reflects an increase in the loss and LAE ratio of the fidelity business.

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 fourth quarter of 2020 compared to $53 million in the fourth quarter of 2019, a decrease of $21 million (40%).

Property and transportation   Net favorable reserve development of $29 million in the fourth quarter of 2020 reflects lower than anticipated claim frequency and severity in the aviation, transportation and agricultural businesses. Net favorable reserve development of $18 million in the fourth quarter of 2019 reflects lower than expected claim frequency at National Interstate and lower than anticipated claim severity in the property and inland marine business.

Specialty casualty   Net favorable reserve development of $6 million in the fourth quarter of 2020 reflects lower than anticipated claim severity in the workers’ compensation businesses, partially offset by higher than expected claim severity in general liability contractor claims and the public sector and excess liability businesses. Net favorable reserve development of $25 million in the fourth quarter of 2019 reflects lower than anticipated claim frequency and severity in the workers’ compensation businesses, partially offset by higher than expected claim severity in the excess and surplus lines businesses, higher than expected claim frequency in product liability contractor claims, and higher than anticipated claim severity in the public sector business.

Specialty financial   Net favorable reserve development of $6 million in the fourth quarter of 2020 reflects lower than anticipated claim frequency and severity in the fidelity and surety businesses and lower than expected claim severity in the financial institutions business. Net favorable reserve development of $14 million in the fourth quarter of 2019 reflects lower than expected claim frequency and severity in the surety business and lower than anticipated claim severity in the foreign credit business.

Other specialty In addition to the development discussed above, total Specialty prior year reserve development includes net adverse reserve development of $9 million in the fourth quarter of 2020 and $4 million in the fourth quarter of 2019, reflecting adverse development associated with AFG’s internal reinsurance program, partially offset by the amortization of deferred gains on the retroactive reinsurance transactions entered into in connection with the sale of businesses in 1998 and 2001.

Aggregate Aggregate net prior accident years reserve development for AFG’s property and casualty insurance segment for the fourth quarter of 2020 and 2019 includes net adverse reserve development of $8 million in the fourth quarter of 2020 and $7 million in the fourth quarter of 2019 related to Neon exited lines discussed above under “Neon exited lines.” Aggregate net prior accident years reserve development for AFG’s property and casualty insurance segment also includes net adverse reserve development of $16 million in the fourth quarter of 2020 and $1 million in the fourth quarter of 2019 related to business outside the Specialty group that AFG no longer writes.

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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, 2020, AFG’s exposure to a catastrophic earthquake or windstorm that industry models indicate should statistically occur once in every 100, 250 or 500 years as a percentage of AFG’s Shareholders’ Equity is shown below:

	Approximate impact of modeled loss
Industry Model	on AFG’s Shareholders’ Equity
100-year event	1%
250-year event	1%
500-year event	2%

AFG maintains comprehensive catastrophe reinsurance coverage for its property and casualty insurance operations, including a $15 million per occurrence net retention for losses up to $100 million in the vast majority of circumstances. In certain unlikely events, AFG’s ultimate loss under this coverage could be as high as $24 million. Effective July 1, 2020, AFG purchased an additional $50 million of reinsurance coverage for losses in excess of $100 million.

Catastrophe losses of $41 million in the fourth quarter of 2020 resulted primarily from Hurricanes Delta, Laura, Sally and Zeta and the Nashville explosion. Catastrophe losses of $14 million in the fourth quarter of 2019 resulted primarily from Typhoons Faxai and Hagibis, storms and tornadoes in the south-central United States and the Kincade fire in California.

Commissions and Other Underwriting Expenses

AFG’s property and casualty commissions and other underwriting expenses (“U/W Exp”) were $385 million in the fourth quarter of 2020 compared to $446 million for the fourth quarter of 2019, a decrease of $61 million (14%). AFG’s underwriting expense ratio, calculated as commissions and other underwriting expenses divided by net premiums earned, was 29.0% for the fourth quarter of 2020 compared to 32.5% for the fourth quarter of 2019, a decrease of 3.5 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 December 31,
	2020				2019				Change in
	U/W Exp		% of NEP		U/W Exp		% of NEP		% of NEP
Property and transportation	$	118	22.5	%	$	115	22.6	%	(0.1	%)
Specialty casualty	144		25.0	%	205		30.3	%	(5.3	%)
Specialty financial	82		51.2	%	80		53.5	%	(2.3	%)
Other specialty	14		36.7	%	16		39.0	%	(2.3	%)
Total Specialty	358		27.6	%	416		30.0	%	(2.4	%)
Neon exited lines	27				30
Aggregate	$	385	29.0	%	$	446	32.5	%	(3.5	%)

Property and transportation   Commissions and other underwriting expenses as a percentage of net earned premiums decreased 0.1 percentage points in the fourth quarter of 2020 compared to the fourth quarter of 2019 reflecting higher profitability-based ceding commissions received from reinsurers in the crop business, partially offset by the impact of lower premiums on the ratio in the transportation businesses.

Specialty casualty   Commissions and other underwriting expenses as a percentage of net earned premiums decreased 5.3 percentage points in the fourth quarter of 2020 compared to the fourth quarter of 2019 reflecting the runoff of Neon. Neon has a higher expense ratio than many of the other businesses in the Specialty casualty sub-segment. Excluding Neon exited lines, the underwriting expense ratio decreased 0.7 percentage points in the fourth quarter of 2020 compared to the fourth quarter of 2019 reflecting higher ceding commissions received from reinsurers as a result of growth in the excess liability business.

Specialty financial   Commissions and other underwriting expenses as a percentage of net earned premiums decreased 2.3 percentage points in the fourth quarter of 2020 compared to the fourth quarter of 2019 reflecting the impact of higher premiums on the ratio in the fidelity business and lower expenses in the equipment leasing business.

Aggregate   Aggregate commissions and other underwriting expenses for AFG’s property and casualty insurance segment includes $27 million in the fourth quarter of 2020 and $30 million in the fourth quarter of 2019 related to the Neon exited lines. Commissions and other underwriting expenses related to the Neon exited lines in the fourth quarter of 2019

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represent contractual employee severance benefits and other incurred exit costs. See “Neon exited lines” above for information about AFG’s exit from the Lloyd’s of London insurance market in 2020.

Property and Casualty Net Investment Income

Excluding the Neon exited lines, net investment income in AFG’s property and casualty insurance operations was $122 million in the fourth quarter of 2020 compared to $120 million in the fourth quarter of 2019, an increase of $2 million (2%). The average invested assets and overall yield earned on investments held by AFG’s property and casualty insurance operations are provided below (dollars in millions):

	Three months ended December 31,									%
	2020			2019			Change			Change
Net investment income:
Net investment income excluding alternative investments	$	81		$	102		$	(21)		(21	%)
Alternative investments	41			18			23			128	%
Total net investment income	$	122		$	120		$	2		2	%
Average invested assets (at amortized cost)	$	12,135		$	11,744		$	391		3	%
Yield (net investment income as a % of average invested assets)	4.02		%	4.09		%	(0.07		%)
Tax equivalent yield (*)	4.12		%	4.22		%	(0.10		%)

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

The property and casualty insurance segment’s increase in net investment income for the fourth quarter of 2020 compared to the fourth quarter of 2019 reflects the impact of growth in the property and casualty insurance segment and higher earnings from alternative investments, partially offset by the effect of lower short-term investment rates and lower dividend income. The property and casualty insurance segment’s overall yield on investments (net investment income as a percentage of average invested assets) was 4.02% for the fourth quarter of 2020 compared to 4.09% for the fourth quarter of 2019, a decrease of 0.07 percentage points. The annualized yield earned on alternative investments (partnerships and similar investments and AFG-managed CLOs) was 17.0% in the fourth quarter of 2020 compared to 9.2% in the prior year period.

In addition to the property and casualty segment’s net investment income from ongoing operations discussed above, the Neon exited lines reported less than $1 million in net investment income in the fourth quarter of 2020.

Property and Casualty Other Income and Expenses, Net

Other income and expenses, net for AFG’s property and casualty insurance operations was a net expense of $11 million for both the fourth quarter of 2020 and the fourth quarter of 2019. The table below details the items included in other income and expenses, net for AFG’s property and casualty insurance operations (in millions):

	Three months ended December 31,
	2020		2019
Other income	$	—	$	1
Other expenses
Amortization of intangibles	3		2
Other	8		10
Total other expenses	11		12
Other income and expenses, net	$	(11)	$	(11)

In addition to the property and casualty segment’s other income and expenses, net from ongoing operations discussed above, the Neon exited lines incurred a net expense of less than $1 million in other income and expenses, net in the fourth quarter of 2020.

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Annuity Segment — Results of Operations

AFG’s annuity operations contributed $81 million in GAAP pretax earnings in the fourth quarter of 2020 compared to $128 million in the fourth quarter of 2019, a decrease of $47 million (37%). This decrease in AFG’s GAAP annuity segment results for the fourth quarter of 2020 as compared to the fourth quarter of 2019 is due primarily to the amortization of the deferred loss related to the annuity block reinsurance transaction entered into in the fourth quarter of 2020 and other reinsurance impacts and a higher negative impact from lower than expected interest rates on the accounting for FIAs in 2020 compared to 2019, partially offset by higher core earnings before income taxes.

The following table details AFG’s GAAP and core earnings before income taxes from its annuity operations for the three months ended December 31, 2020 and 2019 (dollars in millions):

	Three months ended December 31,
	2020		2019		% Change
Revenues:
Net investment income	$	429	$	458	(6	%)
Other income:
Guaranteed withdrawal benefit fees	17		17		—	%
Policy charges and other miscellaneous income	19		13		46	%
Total revenues	465		488		(5	%)
Costs and Expenses:
Annuity benefits (a)(b)	242		285		(15	%)
Acquisition expenses (a)	68		65		5	%
Other expenses (a)	26		34		(24	%)
Total costs and expenses	336		384		(13	%)
Core earnings before income taxes	129		104		24	%
Pretax non-core earnings (losses) (a)	(48)		24		(300	%)
GAAP earnings before income taxes	$	81	$	128	(37	%)

(a)As discussed under “Results of Operations — General,” unlocking, the impact of changes in the fair value of derivatives related to FIAs, and other impacts of changes in the stock market and interest rates on the accounting for FIAs over or under the cost of the equity index options purchased to mitigate the risk in the index-based component of those FIAs are considered non-core earnings (losses). In addition, the amortization of the deferred loss related to the annuity block reinsurance transaction entered into in the fourth quarter of 2020 and other reinsurance impacts are considered non-core earnings (losses). The impact of these items are shown aggregated as non-core annuity earnings (losses) and excluded from the income statement line items in the table above for the fourth quarter of 2020 and 2019, respectively:

•Annuity benefits — unfavorable impact of $55 million in the fourth quarter of 2020 and favorable impact of $30 million in the fourth quarter of 2019.

•Acquisition expenses — favorable impact on the amortization of deferred policy acquisition costs of $13 million in the fourth quarter of 2020 and unfavorable impact of $6 million in the fourth quarter of 2019.

•Other expenses — unfavorable impact of $6 million in the fourth quarter of in 2020.

(b)Details of the components of annuity benefits are provided below.

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Annuity core earnings before income taxes were $129 million in the fourth quarter of 2020 compared to $104 million in the fourth quarter of 2019, an increase of $25 million (24%), reflecting higher income from partnerships and similar investments and AFG-managed CLOs, higher gains on equity index call options in excess of policyholder index credits, lower other expenses and a reduction in the cost of funds as a percentage of annuity benefits accumulated due to renewal actions taken by AFG. These favorable items were partially offset by the impact of lower short-term interest rates on investment income. The table below highlights the impact of reinsurance, changes in the fair value of derivatives and other impacts of the changes in the stock market and interest rates on annuity segment results (dollars in millions):

	Three months ended December 31,
	2020		2019		% Change
Core earnings before income taxes — excluding the impact of reinsurance and derivatives related to FIAs and other impacts of stock market performance and interest rates on FIAs	$	129	$	104	24	%
Reinsurance	(47)		—		—	%
Impact of derivatives related to FIAs and other impacts of changes in the stock market and interest rates on FIAs over or under option costs:
Change in fair value of derivatives related to FIAs	(39)		(15)		160	%
Accretion of guaranteed minimum FIA benefits	(86)		(103)		(17	%)
Other annuity benefits	(10)		(2)		400	%
Less cost of equity options	116		150		(23	%)
Related impact on the amortization of deferred policy acquisition costs	18		(6)		(400	%)
Core earnings before income taxes	$	81	$	128	(37	%)

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

	Three months ended December 31,
	2020								2019
			Non-core
	Core		Non-Reinsurance		Reinsurance		Total		Core		Non-core		Total		Total % Change
Interest credited — fixed	$	92	$	—	$	—	$	92	$	102	$	—	$	102	(10	%)
Accretion of guaranteed minimum FIA benefits	—		86		22		108		—		103		103		5	%
Interest credited — fixed component of variable annuities	1		—		—		1		1		—		1		—	%
Cost of equity options	116		(116)		—		—		150		(150)		—		—	%
Other annuity benefits:
Amortization of sales inducements	3		—		—		3		3		—		3		—	%
Change in guaranteed withdrawal benefit reserve:
Impact of reinsurance and change in the stock market and interest rates	—		(6)		—		(6)		—		(8)		(8)		(25	%)
Accretion of benefits and other	28		—		—		28		24		—		24		17	%
Change in expected death and annuitization reserves and other	2		—		—		2		5		—		5		(60	%)
Change in other benefit reserves — impact of reinsurance and changes in interest rates and the stock market	—		16		(4)		12		—		10		10		20	%
Derivatives related to fixed-indexed annuities:
Embedded derivative mark-to-market	—		263		61		324		—		276		276		17	%
Equity option mark-to-market	—		(224)		(43)		(267)		—		(261)		(261)		2	%
Impact of derivatives related to FIAs	—		39		18		57		—		15		15		280	%
Total annuity benefits	242		19		36		297		285		(30)		255		16	%
Reclassify annuity segment option gains	(10)		—		—		(10)		(4)		—		(4)		150	%
GAAP annuity benefits	$	232	$	19	$	36	$	287	$	281	$	(30)	$	251	14	%

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Because fluctuations in interest rates and the stock market, among other factors, can cause volatility in annuity benefits expense related to FIAs that can be inconsistent with the long-term economics of the FIA business, management believes that including the actual cost of the equity options purchased in the FIA business and excluding unlocking, the impact of changes in the fair value of derivatives related to FIAs, and other impacts of changes in the stock market and interest rates on the accounting for FIAs provides investors with a better view of the true cost of funds in the business and a more comparable measure to the cost of funds reported by its peers. The cost of the equity options included in AFG’s cost of funds is the net purchase price of the option contracts amortized on a straight-line basis over the life of the contracts, which is generally one year. The following table reconciles AFG’s non-GAAP cost of funds measure to total GAAP annuity benefits expense (in millions):

	Three months ended December 31,
	2020		2019
Interest credited — fixed	$	92	$	102
Include cost of equity options	116		150
Cost of funds	208		252
Interest credited — fixed component of variable annuities	1		1
Other annuity benefits, excluding the impact of reinsurance and interest rates and the stock market on FIAs	33		32
	242		285
Reinsurance	36		—
Impact of changes in fair value of derivatives related to FIAs, and other impacts of the stock market and interest rates over or under option costs:
Impact of derivatives related to FIAs	39		15
Accretion of guaranteed minimum FIA benefits	86		103
Other annuity benefits — impact of the stock market and interest rates on FIAs	10		2
Less cost of equity options (included in cost of funds)	(116)		(150)
Total annuity benefits expense	297		255
Reclassify annuity segment option gains	(10)		(4)
GAAP annuity benefits expense	$	287	$	251

Net Spread on Fixed Annuities (excludes variable annuity earnings)

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.

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

	Three months ended December 31,						%
	2020			2019			Change
Average fixed annuity investments (at amortized cost)	$	35,538		$	39,316		(10	%)
Average fixed annuity benefits accumulated	35,414			39,615			(11	%)
As % of fixed annuity benefits accumulated (except as noted):
Net investment income (as % of fixed annuity investments)	4.81		%	4.63		%
Cost of funds	(2.35		%)	(2.54		%)
Other annuity benefit expenses, net of guaranteed withdrawal benefit fees (*)	(0.18		%)	(0.15		%)
Net interest spread	2.28		%	1.94		%
Policy charges and other miscellaneous income (*)	0.18		%	0.11		%
Acquisition expenses (*)	(0.76		%)	(0.65		%)
Other expenses (*)	(0.28		%)	(0.33		%)
Net spread earned on fixed annuities excluding the impact of reinsurance and changes in the fair value of derivatives related to FIAs and other impacts of changes in the stock market and interest rates on FIAs	1.42		%	1.07		%
Impact of changes in fair value of derivatives related to FIAs and other impacts of the stock market and interest rates under (over) option costs	(0.01		%)	0.24		%
Reinsurance	(0.53		%)	—		%
Net spread earned on fixed annuities	0.88		%	1.31		%

(*)Excluding the impact of reinsurance and changes in the fair value of derivatives related to FIAs, and other impacts of changes in the stock market and interest rates on annuity benefits and the related impact on the amortization of deferred policy acquisition costs.

Annuity Net Investment Income

Net investment income for the fourth quarter of 2020 was $429 million compared to $458 million for the fourth quarter of 2019, a decrease of $29 million (6%). This decrease reflects the impact of lower average fixed annuity investments due to the ceding of investments related to the annuity block reinsurance and the impact of the run-off of higher yielding investments and lower short-term interest rates, partially offset by higher earnings from partnerships and similar investments. The overall yield earned on investments in AFG’s fixed annuity operations, calculated as net investment income divided by average investment balances (at amortized cost), increased by 0.18 percentage points to 4.81% from 4.63% in the fourth quarter of 2020 compared to the fourth quarter of 2019. The increase in the net investment yield between periods reflects the impact of ceding lower yielding securities related to the annuity block reinsurance and the impact of the run-off of higher yielding investments and lower short-term interest rates, partially offset by the positive impact of higher earnings from partnerships and similar investments and AFG-managed CLOs. AFG’s annuity segment recorded $61 million in earnings from partnerships and similar investments and AFG-managed CLOs in the fourth quarter of 2020 compared to $23 million in the fourth quarter of 2019, an increase of $38 million (165%). The annualized yield earned on these partnerships and similar investments and AFG-managed CLOs was 17.4% in the fourth quarter of 2020 compared to 7.7% in the prior year period.

Annuity Cost of Funds

Cost of funds for the fourth quarter of 2020 was $208 million compared to $252 million for the fourth quarter of 2019, a decrease of $44 million (17%), reflecting lower average annuity benefits accumulated from the impact of ceding reserves for the annuity block reinsurance and offering lower renewal crediting rates (index participation) on option costs. The average cost of policyholder funds, calculated as cost of funds divided by average fixed annuity benefits accumulated, decreased 0.19 percentage points to 2.35% in the fourth quarter of 2020 from 2.54% in the fourth quarter of 2019 reflecting lower crediting rates (index participation) on both new sales (initial rates) and in force business (renewal rates).

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The following table provides details of AFG’s interest credited and other cost of funds (in millions):

	Three months ended December 31,
	2020		2019
Cost of equity options (FIAs)	$	116	$	150
Interest credited:
Traditional fixed annuities	57		62
Fixed component of fixed-indexed annuities	21		25
Immediate annuities	6		6
Pension risk transfer products	6		3
Federal Home Loan Bank advances	2		6
Total cost of funds	$	208	$	252

Other Annuity Benefits, Net of Guaranteed Withdrawal Benefit Fees

Other annuity benefits, net of guaranteed withdrawal benefit fees excluding the impact of reinsurance and the stock market and interest rates, for the fourth quarter of 2020 were $16 million compared to $15 million for the fourth quarter of 2019, an increase of $1 million (7%). As a percentage of average fixed annuity benefits accumulated, these net expenses increased 0.03 percentage points to 0.18% from 0.15% in the fourth quarter of 2020 compared to the fourth quarter of 2019. 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 December 31,
	2020		2019
Other annuity benefits, excluding the impact of reinsurance and the stock market and interest rates on FIAs:
Amortization of sales inducements	$	3	$	3
Change in guaranteed withdrawal benefit reserve	28		24
Change in other benefit reserves	2		5
Other annuity benefits	33		32
Offset guaranteed withdrawal benefit fees	(17)		(17)
Other annuity benefits excluding the impact of reinsurance and the stock market and interest rates, net	16		15
Other annuity benefits — impact of reinsurance and the stock market and interest rates	6		2
Other annuity benefits, net	$	22	$	17

As discussed under “Annuity Benefits Accumulated” in Note A — “Accounting Policies” to the financial statements, guaranteed withdrawal benefit reserves are accrued for and modified using assumptions similar to those used in establishing and amortizing deferred policy acquisition costs. In addition, the guaranteed withdrawal benefit reserve related to FIAs can be inversely impacted by the calculated FIA embedded derivative reserve as the value to policyholders of the guaranteed withdrawal benefits decreases when the benefit of stock market participation increases. As shown in the table above, the impact of reinsurance and changes in the stock market and interest rates on FIAs increased AFG’s guaranteed withdrawal benefit reserve by $6 million in the fourth quarter of 2020 compared to $2 million in the fourth quarter of 2019. This $4 million (200%) increase was the primary cause of the $5 million overall increase in other annuity benefits, net of guaranteed withdrawal benefit fees in the fourth quarter of 2020 compared to the fourth quarter of 2019.

Annuity Net Interest Spread

AFG’s net interest spread increased 0.34 percentage points to 2.28% from 1.94% in the fourth quarter of 2020 compared to the same period in 2019 due primarily to (i) higher earnings from partnerships and similar investments and AFG-managed CLOs and (ii) lower renewal crediting rates, partially offset by lower investment yields. 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, AFG expects its net interest spread to narrow in the future.

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Annuity Policy Charges and Other Miscellaneous Income

Annuity policy charges and other miscellaneous income, which consist primarily of surrender charges, amortization of deferred upfront policy charges (unearned revenue) and equity index call option proceeds received at maturity that are not passed to policyholders through index credits due to surrenders, were $19 million in the fourth quarter of 2020 compared to $13 million the fourth quarter of 2019, an increase of $6 million (46%) reflecting higher gains on equity index call options in excess of policyholder index credits. Annuity policy charges and other miscellaneous income as a percentage of average fixed annuity benefits accumulated increased 0.07 percentage points to 0.18% in the fourth quarter of 2020 from 0.11% in the fourth quarter of 2019.

Annuity Acquisition Expenses

The following table illustrates the acceleration/deceleration of the amortization of deferred policy acquisition costs (“DPAC”) resulting from the impact of reinsurance and changes in the fair value of derivatives related to FIAs and other impacts of changes in the stock market and interest rates on the accounting for FIAs over or under option costs (in millions):

	Three months ended December 31,
	2020		2019
Annuity acquisition expenses excluding the impact of reinsurance and changes in the fair value of derivatives related to FIAs and other impacts of the stock market and interest rates	$	68	$	65
Reinsurance	5		—
Impact of changes in the fair value of derivatives and other impacts of the stock market and interest rates	(18)		6
Annuity acquisition expenses	$	55	$	71

Annuity acquisition expenses excluding the acceleration/deceleration of the amortization resulting from the impact of reinsurance and changes in the fair value of derivatives related to FIAs and other impacts of changes in the stock market and interest rates on the accounting for FIAs over or under option costs were $68 million for the fourth quarter of 2020 compared to $65 million for the fourth quarter of 2019, an increase of $3 million (5%).

The negative impact of reinsurance and significantly lower than anticipated interest rates in the fourth quarter of 2020 on the fair value of derivatives and other liabilities related to FIAs resulted in a partially offsetting deceleration of the amortization of DPAC. The positive impact of strong stock market performance during the fourth quarter of 2019 on the fair value of derivatives and other liabilities related to FIAs resulted in an acceleration of the amortization of DPAC.

The table below illustrates the impact of reinsurance and the estimated impact of changes in the fair value of derivatives related to fixed-indexed annuities and other impacts of changes in the stock market and interest rates on FIAs on annuity acquisition expenses as a percentage of average fixed annuity benefits accumulated:

	Three months ended December 31,
	2020		2019
Excluding the impact of reinsurance and changes in the fair value of derivatives related to FIAs and other impacts of the stock market and interest rates	0.76	%	0.65	%
Reinsurance	0.06	%	—	%
Impact of changes in fair value of derivatives and other impacts of the stock market and interest rates	(0.20	%)	0.06	%
Annuity acquisition expenses as a % of fixed annuity benefits accumulated	0.62	%	0.71	%

Annuity Other Expenses

Annuity other expenses were $26 million for the fourth quarter of 2020 compared to $34 million for the fourth quarter of 2019, a decrease of $8 million (24%) reflecting expense reimbursement related to reinsurance and lower expenses due to the COVID-19 pandemic. 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 0.05 percentage points to 0.28% from 0.33% for the fourth quarter of 2020 as compared to the fourth quarter of 2019.

Change in Fair Value of Derivatives Related to Fixed-Indexed (Including Variable-Indexed) Annuities and Other Impacts of Changes in the Stock Market and Interest Rates on FIAs

AFG’s fixed-indexed (including variable-indexed) annuities provide policyholders with a crediting rate tied, in part, to the performance of an existing stock market or other financial index. AFG attempts to mitigate the risk in the index-based component of these products through the purchase and sale of call and put options on the appropriate index. AFG’s

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strategy is designed so that the net change in the fair value of the call option assets and put option liabilities will generally offset the economic change in the net liability from the index participation. Both the index-based component of the annuities (an embedded derivative) and the related call and put options are considered derivatives that must be adjusted for changes in fair value 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 embedded derivative component of AFG’s annuity benefits accumulated, see Note D — “Fair Value Measurements” to the financial statements. Fluctuations in certain of these factors, such as changes in interest rates and the performance of the stock market, are not economic in nature for the current reporting period, but rather impact the timing of reported results.

As discussed above under “Other Annuity Benefits, Net of Guaranteed Withdrawal Benefit Fees” and “Annuity Acquisition Expenses,” the periodic accounting for DPAC and guaranteed withdrawal benefits related to FIAs is also impacted by changes in the stock market and interest rates. These impacts may be temporary in nature and not necessarily indicative of the long-term performance of the FIA business. The table below highlights the impact of reinsurance and changes in the fair value of derivatives related to FIAs and the other impacts of the stock market and interest rates over or under the cost of the equity index options (discussed above) on earnings before income taxes for the annuity segment (dollars in millions):

	Three months ended December 31,
	2020		2019		% Change
Excluding reinsurance:
Change in the fair value of derivatives related to FIAs	$	(39)	$	(15)	160	%
Accretion of guaranteed minimum FIA benefits	(86)		(103)		(17	%)
Other annuity benefits	(10)		(2)		400	%
Less cost of equity options	116		150		(23	%)
Related impact on the amortization of DPAC	18		(6)		(400	%)
Reinsurance	(47)		—		—	%
Impact on annuity segment earnings before income taxes	$	(48)	$	24	(300	%)

During the fourth quarter of 2020, the positive impact of strong stock market performance was more than offset by the impact of lower than anticipated interest rates and the amortization of the deferred loss on the annuity block reinsurance transaction entered into in the fourth quarter of 2020 and other reinsurance impacts, resulting in a decrease in earnings before income taxes for the annuity segment of $48 million. During the fourth quarter of 2019, the positive impact of the strong stock market performance increased the annuity segment’s earnings before income taxes by $24 million. As a percentage of average fixed annuity benefits accumulated, the impact of reinsurance and changes in the fair value of derivatives related to FIAs and other impacts of changes in the stock market and interest rates on the accounting for FIAs over or under the cost of the equity index options purchased to mitigate the risk in the indexed-based component of those FIAs was a net expense of 0.54% in the fourth quarter of 2020 compared to a net expense reduction of 0.24% in the fourth quarter of 2019.

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The following table provides analysis of the primary factors impacting the change in the fair value of derivatives related to FIAs and the other impacts of the stock market and interest rates on the accounting for FIAs over or under the cost of the equity index options discussed above. Each factor is presented net of the estimated related impact on the amortization of DPAC (dollars in millions).

	Three months ended December 31,
	2020		2019		% Change
Excluding reinsurance:
Changes in the stock market, including volatility	$	20	$	24	(17	%)
Changes in interest rates higher (lower) than expected	(12)		(4)		200	%
Other	(9)		4		(325	%)
Impact on annuity segment earnings before income taxes, excluding reinsurance	(1)		24		(104	%)
Reinsurance (*)	(47)		—		—	%
Impact on annuity segment earnings before income taxes	$	(48)	$	24	(300	%)

(*)    The $47 million loss from the impact of reinsurance reflects the amortization of the deferred loss related to the annuity block reinsurance transaction entered into in the fourth quarter of 2020, impacts of changes in the stock market and interest rates on the accounting for FIAs and higher index credits paid to Commonwealth compared to the option cost reimbursements received from Commonwealth.

Annuity Net Spread Earned on Fixed Annuities

AFG’s net spread earned on fixed annuities excluding the impact of reinsurance and changes in the fair value of derivatives related to FIAs and other impacts of changes in the stock market and interest rates over or under option costs increased 0.35 percentage points to 1.42% from 1.07% in the fourth quarter of 2020 compared to the same period in 2019 due primarily to the 0.34 percentage points increase in AFG’s net interest spread discussed above. AFG’s overall net spread earned on fixed annuities decreased 0.43 percentage points to 0.88% in the fourth quarter of 2020 from 1.31% in the fourth quarter of 2019 due to the negative impact of reinsurance in the fourth quarter of 2020, partially offset by the increase in AFG’s net interest spread, higher other income, lower other expenses and the impact of changes in the fair value of derivatives and other impacts of the stock market and interest rates on the accounting for FIAs and the impact of reinsurance discussed above.

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.

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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 December 31, 2020 and 2019 (in millions):

	Three months ended December 31,
	2020		2019
Beginning fixed annuity reserves	$	41,374	$	39,212
Fixed annuity premiums (receipts)	1,315		1,134
Federal Home Loan Bank repayments	(125)		—
Surrenders, benefits and other withdrawals	(1,058)		(829)
Interest and other annuity benefit expenses:
Cost of funds	208		252
Embedded derivative mark-to-market	324		276
Change in other benefit reserves	33		(27)
Ending fixed annuity reserves	$	42,071	$	40,018
Reconciliation to annuity benefits accumulated per balance sheet:
Ending fixed annuity reserves (from above)	$	42,071	$	40,018
Impact of unrealized investment gains	338		225
Fixed component of variable annuities	164		163
Annuity benefits accumulated per balance sheet	$	42,573	$	40,406

Annuity benefits accumulated includes a liability of $817 million at December 31, 2020 and $625 million at December 31, 2019 for guaranteed withdrawal benefits on annuities with features that allow the policyholder to take fixed periodic lifetime benefit payments that could exceed account value. As discussed above under “Other Annuity Benefits, Net of Guaranteed Withdrawal Benefit Fees” and “Annuity Acquisition Expenses,” the periodic accounting for DPAC and guaranteed withdrawal benefits related to FIAs is also impacted by changes in the stock market and interest rates.

Statutory Annuity Premiums

AFG’s annuity operations generated gross statutory premiums of $1.32 billion in the fourth quarter of 2020 compared to $1.14 billion in the fourth quarter of 2019, an increase of $180 million (16%). The following table summarizes AFG’s annuity sales (dollars in millions):

	Three months ended December 31,
	2020		2019		% Change
Financial institutions single premium annuities — indexed	$	358	$	359	—	%
Financial institutions single premium annuities — fixed	370		270		37	%
Retail single premium annuities — indexed	147		170		(14	%)
Retail single premium annuities — fixed	26		25		4	%
Broker dealer single premium annuities — indexed	110		107		3	%
Broker dealer single premium annuities — fixed	5		9		(44	%)
Pension risk transfer	274		158		73	%
Education market — fixed and indexed annuities	25		36		(31	%)
Total fixed annuity premiums	1,315		1,134		16	%
Variable annuities	4		5		(20	%)
Total gross annuity premiums	1,319		1,139		16	%
Ceded premiums	(246)		—		—	%
Total net annuity premiums	$	1,073	$	1,139	(6	%)

The 16% increase in total gross annuity premiums in the fourth quarter of 2020 compared to the fourth quarter of 2019 reflects higher sales of traditional fixed annuities in the financial institutions channel and higher pension risk transfer premiums.

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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 December 31, 2020 and 2019 (in millions):

	Three months ended December 31,
	2020		2019
Earnings on fixed annuity benefits accumulated	$	78	$	129
Earnings impact of investments in excess of fixed annuity benefits accumulated (*)	1		(3)
Variable annuity earnings	2		2
Earnings before income taxes	$	81	$	128

(*)Net investment income (as a % of investments) of 4.81% and 4.63% for the three months ended December 31, 2020 and 2019, respectively, multiplied by the difference between average fixed annuity investments (at amortized cost) and average fixed annuity benefits accumulated in each period.

Holding Company, Other and Unallocated — Results of Operations

AFG’s net GAAP pretax loss outside of its property and casualty insurance and annuity segments (excluding realized gains and losses) totaled $62 million for the fourth quarter of 2020 compared to $55 million for the fourth quarter of 2019, an increase of $7 million (13%). AFG’s net core pretax loss outside of its property and casualty insurance and annuity segments (excluding realized gains and losses) totaled $57 million for the fourth quarter of 2020 compared to $50 million for the fourth quarter of 2019, an increase of $7 million (14%).

The following table details AFG’s GAAP and core loss before income taxes from operations outside of its property and casualty insurance and annuity segments for the three months ended December 31, 2020 and 2019 (dollars in millions):

	Three months ended December 31,
	2020		2019		% Change
Revenues:
Life, accident and health net earned premiums	$	4	$	5	(20	%)
Net investment income	16		8		100	%
Other income — P&C fees	17		17		—	%
Reclassify annuity segment option gains	(10)		(4)		150	%
Other income	8		8		—	%
Total revenues	35		34		3	%
Costs and Expenses:
Property and casualty insurance — commissions and other underwriting expenses	5		4		25	%
Annuity — annuity benefits	(10)		(4)		150	%
Life, accident and health benefits	10		10		—	%
Life, accident and health acquisition expenses	1		1		—	%
Other expense — expenses associated with P&C fees	12		13		(8	%)
Other expenses (*)	50		42		19	%
Costs and expenses, excluding interest charges on borrowed money	68		66		3	%
Core loss before income taxes, excluding realized gains and losses and interest charges on borrowed money	(33)		(32)		3	%
Interest charges on borrowed money	24		18		33	%
Core loss before income taxes, excluding realized gains and losses	(57)		(50)		14	%
Pretax non-core loss on retirement of debt	(5)		(5)		—	%
GAAP loss before income taxes, excluding realized gains and losses	$	(62)	$	(55)	13	%

(*)Excludes a pretax non-core loss on retirement of debt of $5 million in both the fourth quarter of 2020 and 2019.

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Holding Company and Other — Life, Accident and Health Premiums, Benefits and Acquisition Expenses

AFG’s run-off long-term care and life insurance operations recorded net earned premiums of $4 million and related benefits and acquisition expenses of $11 million in the fourth quarter of 2020 compared to net earned premiums of $5 million and related benefits and acquisition expenses of $11 million in the fourth quarter of 2019.

Holding Company and Other — Net Investment Income

AFG recorded net investment income on investments held outside of its property and casualty insurance and annuity segments of $16 million in the fourth quarter of 2020 compared to $8 million in the fourth quarter of 2019, an increase of $8 million (100%). The parent company holds a small portfolio of securities that are carried at fair value through net investment income. These securities increased in value by $9 million in the fourth quarter of 2020 compared to $1 million in the fourth quarter of 2019.

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

Summit, a workers’ compensation insurance subsidiary, 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 insurance businesses collect fees from customers for ancillary services such as workplace safety programs and premium financing. In both the fourth quarter of 2020 and the fourth quarter of 2019, AFG collected $17 million in fees for these services. Management views this fee income, net of the $12 million in the fourth quarter of 2020 and $13 million in the fourth quarter of 2019, 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.

Holding Company and Other — Annuity Segment Option Gains

As discussed under “Annuity Segment — Results of Operations,” AFG purchases and sells equity index options to mitigate the risk in the index-based component of its FIAs. In evaluating the performance of the annuity business, management views the cost of the equity options as a better measurement of the true expenses of the annuity segment as compared to the GAAP accounting for these options as derivatives because any proceeds at expiration from the options generally are passed to policyholders through index credits. On occasion, policyholders surrender their annuity prior to receiving the index credit, which results in any option exercise proceeds being retained by AFG. For internal management reporting, AFG views these “option gains” as miscellaneous (other) income rather than as a component of annuity benefits expense. Consistent with internal management reporting, these option gains are reclassified from annuity benefits to other income in AFG’s segmented results. In the fourth quarter of 2020 and 2019, AFG had $10 million and $4 million, respectively, in such option gains.

Holding Company and Other — Other Income

Other income in the table above includes $4 million in both the fourth quarter of 2020 and the fourth quarter of 2019, in management fees paid to AFG by the AFG-managed CLOs (AFG’s consolidated managed investment entities). 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 property and casualty insurance and annuity segments of $4 million in both the fourth quarter of 2020 and the fourth quarter of 2019.

Holding Company and Other — Other Expenses

Excluding the non-core loss on retirement of debt discussed below, AFG’s holding companies and other operations outside of its property and casualty insurance and annuity segments recorded other expenses of $50 million in the fourth quarter of 2020 compared to $42 million in the fourth quarter of 2019, an increase of $8 million (19%). This increase is due primarily to the impact of higher holding company expenses related to employee benefit plans that are tied to stock market performance in the fourth quarter of 2020 compared to the fourth quarter of 2019.

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Holding Company and Other — Interest Charges on Borrowed Money

AFG’s holding companies and other operations outside of its property and casualty insurance and annuity segments recorded interest expense of $24 million in the fourth quarter of 2020 compared to $18 million in the fourth quarter of 2019, an increase of $6 million (33%). This increase in interest expense primarily reflects higher average indebtedness. The following table details the principal amount of AFG’s long-term debt balances as of December 31, 2020 compared to December 31, 2019 (dollars in millions):

	December 31, 2020			December 31, 2019
Direct obligations of AFG:
4.50% Senior Notes due June 2047	$	590		$	590
3.50% Senior Notes due August 2026	425			425
5.25% Senior Notes due April 2030	300			—
5.125% Subordinated Debentures due December 2059	200			200
4.50% Subordinated Debentures due September 2060	200			—
6% Subordinated Debentures due November 2055	—			150
5.625% Subordinated Debentures due June 2060	150			—
5.875% Subordinated Debentures due March 2059	125			125
Other	3			3
Total principal amount of Holding Company Debt	$	1,993		$	1,493
Weighted Average Interest Rate	4.6		%	4.6		%

The increase in interest expense for the fourth quarter of 2020 as compared to the fourth quarter of 2019 reflects the following financing transactions completed by AFG between October 1, 2019 and December 31, 2020:

•Issued $200 million of 5.125% Subordinated Debentures in December 2019

•Redeemed $150 million of 6-1/4% Subordinated Debentures in December 2019

•Issued $300 million of 5.25% Senior Notes in April 2020

•Issued $150 million of 5.625% Subordinated Debentures in May 2020

•Issued $200 million of 4.50% Subordinated Debentures in September 2020

•Redeemed $150 million of 6% Subordinated Debentures in November 2020

Holding Company and Other — Loss on Retirement of Debt

In November 2020, AFG redeemed its $150 million outstanding principal amount of 6% Subordinated Debentures due in 2055 and wrote off unamortized debt issuance costs of $5 million. In December 2019, AFG redeemed its $150 million outstanding principal amount of 6-1/4% Subordinated Debentures due 2054 and wrote off unamortized debt issuance costs of $5 million.

Consolidated Realized Gains (Losses) on Securities

AFG’s consolidated realized gains (losses) on securities were net gains of $591 million in the fourth quarter of 2020 compared to $65 million in the fourth quarter of 2019, an increase of $526 million (809%). Realized gains (losses) on securities consisted of the following (in millions):

	Three months ended December 31,
	2020		2019
Realized gains (losses) before impairments:
Disposals	$	427	$	8
Change in the fair value of equity securities	207		67
Change in the fair value of derivatives	(5)		(5)
Adjustments to annuity deferred policy acquisition costs and related items	(46)		1
	583		71
Change in allowance and impairments:
Securities	11		(9)
Adjustments to annuity deferred policy acquisition costs and related items	(3)		3
	8		(6)
Realized gains (losses) on securities	$	591	$	65

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The $427 million net realized gains from disposals in the fourth quarter of 2020 includes gains of $415 million on investments disposed of in AFG’s 2020 annuity block reinsurance transaction. See Note P — “Insurance” to the financial statements. The $207 million net realized gain from the change in the fair value of equity securities in the fourth quarter of 2020 includes gains of $46 million on investments in banks and financing companies, $43 million on investments in media companies, $24 million on investments in technology companies, $17 million on investments in energy companies, $15 million on investments in natural gas companies, $8 million on real estate investment trusts and $7 million on investments in healthcare companies. The $67 million net realized gain from the change in the fair value of equity securities in the fourth quarter of 2019 includes gains of $17 million on investments in banks and financing companies, $16 million on investments in technology companies and $14 million on investments in media companies.

The $11 million decrease in previously recognized expected credit losses in the fourth quarter of 2020 includes income of $7 million related to third-party collateralized loan obligations and $6 million related to corporate bonds and other fixed maturities, partially offset by $2 million in charges related to other structured securities. The $9 million impairment charge in the fourth quarter of 2019 includes $7 million on corporate bonds and $2 million on third-party collateralized loan obligations.

Consolidated Realized Gains (Losses) on Subsidiaries

On September 28, 2020, AFG announced that it had reached a definitive agreement to sell GAI Holding Bermuda and its subsidiaries, comprising the legal entities that own Neon, to RiverStone Holdings Limited. AFG recorded a $30 million loss in the third quarter of 2020 to establish a liability equal to the excess of the net carrying value of the assets and liabilities to be disposed over the estimated net sale proceeds. In the fourth quarter of 2020, the estimated loss was adjusted at the closing date to a gain of $23 million based on the final proceeds and the final net assets disposed, which reflects $53 million of non-core losses in the fourth quarter of 2020 at Neon. See Note B — “Acquisitions and Sale of Businesses” to the financial statements.

Consolidated Income Taxes

AFG’s consolidated provision for income taxes was $190 million for the fourth quarter of 2020 compared to $68 million in the fourth quarter of 2019, an increase of $122 million (179%). The following is a reconciliation of income taxes at the statutory rate to the provision for income taxes as shown in the segmented statement of earnings (dollars in millions):

	Three months ended December 31,
	2020				2019
	Amount		% of EBT		Amount		% of EBT
Earnings before income taxes (“EBT”)	$	884			$	259
Income taxes at statutory rate	$	186	21	%	$	55	21	%
Effect of:
Tax exempt interest	(3)		—	%	(3)		(1	%)
Stock-based compensation	—		—	%	(2)		(1	%)
Dividend received deduction	(1)		—	%	(1)		—	%
Employee stock ownership plan dividend paid deduction	(1)		—	%	(1)		—	%
Tax benefit related to sale of Neon	1		—	%	—		—	%
Change in valuation allowance	(148)		(17	%)	10		4	%
Foreign operations	152		17	%	4		2	%
Nondeductible expenses	1		—	%	2		1	%
Other	3		—	%	4		—	%
Provision for income taxes	$	190	21	%	$	68	26	%

See Note M — “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 net earnings of $2 million for the fourth quarter of 2020 compared to a net loss of $20 million for the fourth quarter of 2019, a change of $22 million (110%). The losses in the fourth quarter of 2019 are related to losses at Neon, AFG’s United Kingdom-based Lloyd’s insurer. Net losses attributable to noncontrolling interests in the fourth quarter of 2019 includes $18 million related to the $76 million non-core charge for costs associated with AFG’s exit of the Lloyd’s of London insurance market in 2020.

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RESULTS OF OPERATIONS — YEARS ENDED DECEMBER 31, 2020, 2019 AND 2018

Segmented Statement of Earnings

AFG reports its business as three segments: (i) Property and casualty insurance (“P&C”), (ii) Annuity and (iii) Other, which includes run-off long-term care and life, 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 years ended December 31, 2020, 2019 and 2018 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		Consol. MIEs		Holding Co., other and unallocated		Total		Non-core reclass		Neon exited lines (c)		GAAP Total
Year ended December 31, 2020
Revenues:
Property and casualty insurance net earned premiums	$	4,899	$	—	$	—	$	—	$	4,899	$	—	$	200	$	5,099
Net investment income	404		1,699		2		32		2,137		—		(5)		2,132
Realized gains (losses) on:
Securities	—		—		—		—		—		289		—		289
Subsidiaries	—		—		—		—		—		—		23		23
Income (loss) of MIEs:
Investment income	—		—		201		—		201		—		—		201
Gain (loss) on change in fair value of assets/liabilities	—		—		(39)		—		(39)		—		—		(39)
Other income	8		136		(15)		80		209		(5)		—		204
Total revenues	5,311		1,835		149		112		7,407		284		218		7,909
Costs and Expenses:
Property and casualty insurance:
Losses and loss adjustment expenses	3,006		—		—		—		3,006		47		218		3,271
Commissions and other underwriting expenses	1,487		—		—		21		1,508		—		117		1,625
Annuity benefits	—		1,085		—		(33)		1,052		140		—		1,192
Annuity and supplemental insurance acquisition expenses	—		265		—		4		269		37		—		306
Interest charges on borrowed money	—		—		—		88		88		—		—		88
Expenses of MIEs	—		—		149		—		149		—		—		149
Other expenses	42		126		—		221		389		36		5		430
Total costs and expenses	4,535		1,476		149		301		6,461		260		340		7,061
Earnings before income taxes	776		359		—		(189)		946		24		(122)		848
Provision for income taxes	164		70		—		(40)		194		5		(72)		127
Net earnings, including noncontrolling interests	612		289		—		(149)		752		19		(50)		721
Less: Net earnings (loss) attributable to noncontrolling interests	—		—		—		—		—		—		(11)		(11)
Core Net Operating Earnings	612		289		—		(149)		752
Non-core earnings attributable to shareholders (a):
Realized gains (losses) on securities, net of tax	—		292		—		(63)		229		(229)		—		—
Annuity non-core earnings (losses), net of tax (b)	—		(149)		—		—		(149)		149		—		—
Neon exited lines (c)	(39)		—		—		—		(39)		—		39		—
Special A&E charges, net of tax	(37)		—		—		(17)		(54)		54		—		—
Loss on retirement of debt, net of tax	—		—		—		(4)		(4)		4		—		—
Other, net of tax	—		—		—		(3)		(3)		3		—		—
Net Earnings Attributable to Shareholders	$	536	$	432	$	—	$	(236)	$	732	$	—	$	—	$	732

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					Other
	P&C		Annuity		Consol. MIEs		Holding Co., other and unallocated		Total		Non-core reclass		GAAP Total
Year ended December 31, 2019
Revenues:
Property and casualty insurance net earned premiums	$	5,185	$	—	$	—	$	—	$	5,185	$	—	$	5,185
Net investment income	472		1,792		(4)		43		2,303		—		2,303
Realized gains (losses) on securities	—		—		—		—		—		287		287
Income (loss) of MIEs:
Investment income	—		—		269		—		269		—		269
Gain (loss) on change in fair value of assets/liabilities	—		—		(30)		—		(30)		—		(30)
Other income	11		119		(15)		107		222		1		223
Total revenues	5,668		1,911		220		150		7,949		288		8,237
Costs and Expenses:
Property and casualty insurance:
Losses and loss adjustment expenses	3,207		—		—		—		3,207		64		3,271
Commissions and other underwriting expenses	1,672		—		—		23		1,695		30		1,725
Annuity benefits	—		1,152		—		(12)		1,140		11		1,151
Annuity and supplemental insurance acquisition expenses	—		222		—		5		227		26		253
Interest charges on borrowed money	—		—		—		68		68		—		68
Expenses of MIEs	—		—		220		—		220		—		220
Other expenses	46		139		—		240		425		16		441
Total costs and expenses	4,925		1,513		220		324		6,982		147		7,129
Earnings before income taxes	743		398		—		(174)		967		141		1,108
Provision for income taxes	150		80		—		(37)		193		46		239
Net earnings, including noncontrolling interests	593		318		—		(137)		774		95		869
Less: Net earnings (loss) attributable to noncontrolling interests	(10)		—		—		—		(10)		(18)		(28)
Core Net Operating Earnings	603		318		—		(137)		784
Non-core earnings attributable to shareholders (a):
Realized gains (losses) on securities, net of tax	—		—		—		227		227		(227)		—
Annuity non-core earnings (losses), net of tax (b)	—		(29)		—		—		(29)		29		—
Neon exited lines charge	(58)		—		—		—		(58)		58		—
Special A&E charges, net of tax	(14)		—		—		(9)		(23)		23		—
Loss on retirement of debt, net of tax	—		—		—		(4)		(4)		4		—
Net Earnings Attributable to Shareholders	$	531	$	289	$	—	$	77	$	897	$	—	$	897

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					Other
	P&C		Annuity		Consol. MIEs		Holding Co., other and unallocated		Total		Non-core reclass		GAAP Total
Year ended December 31, 2018
Revenues:
Property and casualty insurance net earned premiums	$	4,865	$	—	$	—	$	—	$	4,865	$	—	$	4,865
Net investment income	438		1,638		(7)		25		2,094		—		2,094
Realized gains (losses) on securities	—		—		—		—		—		(266)		(266)
Income (loss) of MIEs:
Investment income	—		—		255		—		255		—		255
Gain (loss) on change in fair value of assets/liabilities	—		—		(21)		—		(21)		—		(21)
Other income	10		125		(16)		104		223		—		223
Total revenues	5,313		1,763		211		129		7,416		(266)		7,150
Costs and Expenses:
Property and casualty insurance:
Losses and loss adjustment expenses	2,985		—		—		—		2,985		18		3,003
Commissions and other underwriting expenses	1,560		—		—		23		1,583		—		1,583
Annuity benefits	—		1,016		—		(18)		998		—		998
Annuity and supplemental insurance acquisition expenses	—		255		—		6		261		—		261
Interest charges on borrowed money	—		—		—		62		62		—		62
Expenses of MIEs	—		—		211		—		211		—		211
Other expenses	41		131		—		212		384		9		393
Total costs and expenses	4,586		1,402		211		285		6,484		27		6,511
Earnings before income taxes	727		361		—		(156)		932		(293)		639
Provision for income taxes	149		70		—		(35)		184		(62)		122
Net earnings, including noncontrolling interests	578		291		—		(121)		748		(231)		517
Less: Net earnings (loss) attributable to noncontrolling interests	(13)		—		—		—		(13)		—		(13)
Core Net Operating Earnings	591		291		—		(121)		761
Non-core earnings attributable to shareholders (a):
Realized gains (losses) on securities, net of tax	—		—		—		(210)		(210)		210		—
Special A&E charges, net of tax	(14)		—		—		(7)		(21)		21		—
Net Earnings Attributable to Shareholders	$	577	$	291	$	—	$	(338)	$	530	$	—	$	530

(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.

(b)As discussed under “Results of Operations — General,” beginning with the second quarter of 2019,

unlocking, the impact of changes in the fair value of derivatives related to FIAs, and other impacts of changes in the stock market and interest rates on the accounting for FIAs over or under the cost of the equity index options purchased to mitigate the risk in the index-based component of those FIAs are considered non-core earnings (losses). In addition, the amortization of the deferred loss related to the annuity block reinsurance transaction entered into in the fourth quarter of 2020 and other reinsurance impacts are considered non-core earnings (losses).

(c)As discussed under “Results of Operations — General,” beginning with the first quarter of 2020, the Neon run-off operations are considered property and casualty insurance non-core earnings (losses).

Property and Casualty Insurance Segment — Results of Operations

AFG’s property and casualty insurance operations contributed $607 million in GAAP pretax earnings in 2020 compared to $649 million in 2019, a decrease of $42 million (6%). Property and casualty core pretax earnings were $776 million in 2020 compared to $743 million in 2019, an increase of $33 million (4%). The decrease in GAAP pretax earnings reflects pretax non-core special A&E charges of $47 million in 2020 compared to $18 million in 2019 and higher non-core losses in the Neon exited lines, partially offset by higher core pretax earnings. The increase in core pretax earnings reflects higher core underwriting results, partially offset by lower net investment income in 2020 compared to 2019.

AFG’s property and casualty insurance operations contributed $649 million in GAAP pretax earnings in 2019 compared to $709 million in 2018, a decrease of $60 million (8%). Property and casualty core pretax earnings were $743 million in 2019 compared to $727 million in 2018, an increase of $16 million (2%). The decrease in GAAP pretax earnings reflects a pretax non-core charge of $76 million in 2019 related to costs associated with plans to exit the Lloyd’s of London

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insurance market in 2020, partially offset by higher core pretax earnings. The increase in core pretax earnings reflects higher net investment income in 2019 compared to 2018 due primarily to growth in the business, partially offset by lower underwriting profit.

The following table details AFG’s GAAP and core earnings before income taxes from its property and casualty insurance operations for the years ended December 31, 2020, 2019 and 2018 (dollars in millions):

	Year ended December 31,						% Change
	2020		2019		2018		2020 - 2019			2019 - 2018
Gross written premiums	$	6,995	$	7,299	$	6,840	(4		%)	7		%
Reinsurance premiums ceded	(2,003)		(1,957)		(1,817)		2		%	8		%
Net written premiums	4,992		5,342		5,023		(7		%)	6		%
Change in unearned premiums	(93)		(157)		(158)		(41		%)	(1		%)
Net earned premiums	4,899		5,185		4,865		(6		%)	7		%
Loss and loss adjustment expenses	3,006		3,207		2,985		(6		%)	7		%
Commissions and other underwriting expenses	1,487		1,672		1,560		(11		%)	7		%
Core underwriting gain	406		306		320		33		%	(4		%)
Net investment income	404		472		438		(14		%)	8		%
Other income and expenses, net	(34)		(35)		(31)		(3		%)	13		%
Core earnings before income taxes	776		743		727		4		%	2		%
Pretax non-core special A&E charges	(47)		(18)		(18)		161		%	—		%
Pretax non-core Neon exited lines (*)	(122)		(76)		—		61		%	—		%
GAAP earnings before income taxes and noncontrolling interests	$	607	$	649	$	709	(6		%)	(8		%)
(*) In December 2019, AFG initiated actions to exit the Lloyd’s of London insurance market, which included placing its Lloyd’s subsidiaries including its Lloyd’s Managing Agency, Neon Underwriting Ltd. (“Neon”), into run-off. As discussed under “Results of Operations — General,” following the December 2019 decision to exit the Lloyd’s of London insurance market, the results from the Neon exited lines are being treated as non-core earnings (losses) beginning in 2020. Each line item in the table above has been adjusted to remove the impact from the Neon run-off operations in 2020. The following table details the impact of the Neon exited lines to each component of earnings (loss) before income taxes in the property and casualty insurance operations for the year ended December 31, 2020 (in millions):
					December 31, 2020
					Excluding Neon exited lines		Neon exited lines			Total
Gross written premiums					$	6,995	$	92		$	7,087
Reinsurance premiums ceded					(2,003)		(71)			(2,074)
Net written premiums					4,992		21			5,013
Change in unearned premiums					(93)		179			86
Net earned premiums					4,899		200			5,099
Loss and loss adjustment expenses					3,006		218			3,224
Commissions and other underwriting expenses					1,487		117			1,604
Underwriting gain (loss)					406		(135)			271
Net investment income					404		(5)			399
Gain on sale of subsidiaries					—		23			23
Other income and expenses, net					(34)		(5)			(39)
Earnings (loss) before income taxes and noncontrolling interests					776		(122)			654
Pretax non-core special A&E charges					(47)		—			(47)
GAAP earnings (loss) before income taxes and noncontrolling interests					$	729	$	(122)		$	607

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	Year ended December 31,						Change
Combined Ratios:	2020		2019		2018		2020 - 2019		2019 - 2018
Specialty lines
Loss and LAE ratio	60.9	%	61.5	%	61.3	%	(0.6	%)	0.2	%
Underwriting expense ratio	30.4	%	32.2	%	32.1	%	(1.8	%)	0.1	%
Combined ratio	91.3	%	93.7	%	93.4	%	(2.4	%)	0.3	%
Aggregate — including exited lines
Loss and LAE ratio	64.1	%	63.0	%	61.7	%	1.1	%	1.3	%
Underwriting expense ratio	31.4	%	32.8	%	32.1	%	(1.4	%)	0.7	%
Combined ratio	95.5	%	95.8	%	93.8	%	(0.3	%)	2.0	%

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 $7.09 billion in 2020 compared to $7.30 billion in 2019, a decrease of $212 million (3%). GWP increased $459 million (7%) in 2019 compared to 2018. Detail of AFG’s property and casualty gross written premiums is shown below (dollars in millions):

	Year ended December 31,												% Change
	2020				2019				2018				2020 - 2019		2019 - 2018
	GWP		%		GWP		%		GWP		%
Property and transportation	$	2,813	40	%	$	2,759	38	%	$	2,645	39	%	2	%	4	%
Specialty casualty	3,444		49	%	3,768		52	%	3,445		50	%	(9	%)	9	%
Specialty financial	738		10	%	772		10	%	750		11	%	(4	%)	3	%
Total specialty	6,995		99	%	7,299		100	%	6,840		100	%	(4	%)	7	%
Neon exited lines	92		1	%	—		—	%	—		—	%	—	%	—	%
Aggregate	$	7,087	100	%	$	7,299	100	%	$	6,840	100	%	(3	%)	7	%

Reinsurance Premiums Ceded

Reinsurance premiums ceded (“Ceded”) for AFG’s property and casualty insurance segment were 29% of gross written premiums for the year ended December 31, 2020 and 27% for both the year ended December 31, 2019 and 2018, an increase of 2 percentage points for 2020 compared to 2019. Detail of AFG’s property and casualty reinsurance premiums ceded is shown below (dollars in millions):

	Year ended December 31,												Change in % of GWP
	2020				2019				2018				2020 - 2019		2019 - 2018
	Ceded		% of GWP		Ceded		% of GWP		Ceded		% of GWP
Property and transportation	$	(926)	33	%	$	(883)	32	%	$	(891)	34	%	1	%	(2	%)
Specialty casualty	(1,140)		33	%	(1,067)		28	%	(936)		27	%	5	%	1	%
Specialty financial	(134)		18	%	(155)		20	%	(148)		20	%	(2	%)	—	%
Other specialty	197				148				158
Total specialty	(2,003)		29	%	(1,957)		27	%	(1,817)		27	%	2	%	—	%
Neon exited lines	(71)		77	%	—		—	%	—		—	%	77	%	—	%
Aggregate	$	(2,074)	29	%	$	(1,957)	27	%	$	(1,817)	27	%	2	%	—	%

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Net Written Premiums

Net written premiums (“NWP”) for AFG’s property and casualty insurance segment were $5.01 billion in 2020 compared to $5.34 billion in 2019, a decrease of $329 million (6%). NWP increased $319 million (6%) in 2019 compared to 2018. Detail of AFG’s property and casualty net written premiums is shown below (dollars in millions):

	Year ended December 31,												% Change
	2020				2019				2018				2020 - 2019		2019 - 2018
	NWP		%		NWP		%		NWP		%
Property and transportation	$	1,887	38	%	$	1,876	35	%	$	1,754	35	%	1	%	7	%
Specialty casualty	2,304		46	%	2,701		51	%	2,509		50	%	(15	%)	8	%
Specialty financial	604		12	%	617		12	%	602		12	%	(2	%)	2	%
Other specialty	197		4	%	148		2	%	158		3	%	33	%	(6	%)
Total specialty	4,992		100	%	5,342		100	%	5,023		100	%	(7	%)	6	%
Neon exited lines	21		—	%	—		—	%	—		—	%	—	%	—	%
Aggregate	$	5,013	100	%	$	5,342	100	%	$	5,023	100	%	(6	%)	6	%

Net Earned Premiums

Net earned premiums (“NEP”) for AFG’s property and casualty insurance segment were $5.10 billion in 2020 compared to $5.19 billion in 2019, a decrease of $86 million (2%). NEP increased $320 million (7%) in 2019 compared to 2018. Detail of AFG’s property and casualty net earned premiums is shown below (dollars in millions):

	Year ended December 31,												% Change
	2020				2019				2018				2020 - 2019		2019 - 2018
	NEP		%		NEP		%		NEP		%
Property and transportation	$	1,871	37	%	$	1,828	35	%	$	1,729	36	%	2	%	6	%
Specialty casualty	2,235		44	%	2,597		50	%	2,403		49	%	(14	%)	8	%
Specialty financial	613		12	%	610		12	%	598		12	%	—	%	2	%
Other specialty	180		3	%	150		3	%	135		3	%	20	%	11	%
Total specialty	4,899		96	%	5,185		100	%	4,865		100	%	(6	%)	7	%
Neon exited lines	200		4	%	—		—	%	—		—	%	—	%	—	%
Aggregate	$	5,099	100	%	$	5,185	100	%	$	4,865	100	%	(2	%)	7	%

The $212 million (3%) decrease in gross written premiums in 2020 compared to 2019 reflects a decrease in the Specialty casualty and Specialty financial sub-segments, partially offset by an increase in the Specialty property and transportation sub-segment. Overall average renewal rates increased approximately 11% in 2020. Excluding the workers’ compensation business, renewal pricing increased nearly 15%.

The $459 million (7%) increase in gross written premiums in 2019 compared to 2018 reflects growth in each of the Specialty property and casualty sub-segments. Overall average renewal rates increased approximately 3% in 2019. Excluding rate decreases in the workers’ compensation business, renewal pricing increased approximately 6%.

Property and transportation Gross written premiums increased $54 million (2%) in 2020 compared to 2019, due primarily to growth and new business opportunities in the property and inland marine and ocean marine businesses, partially offset by lower premiums in the transportation businesses, primarily from the return of premiums and reduced exposures as a result of the COVID-19 pandemic and premium reductions in two large national accounts. Average renewal rates increased nearly 6% for this group in 2020. Reinsurance premiums ceded as a percentage of gross written premiums increased 1 percentage point in 2020 compared to 2019, reflecting higher cessions in the transportation businesses.

Gross written premiums increased $114 million (4%) in 2019 compared to 2018, due primarily to new business opportunities in the transportation businesses and higher year-over-year premiums in the property and inland marine and ocean marine businesses. Average renewal rates increased approximately 4% for this group in 2019. Reinsurance premiums ceded as a percentage of gross written premiums decreased 2 percentage points in 2019 compared to 2018, reflecting lower cessions in the crop insurance business.

Specialty casualty Gross written premiums decreased $324 million (9%) in 2020 compared to 2019 due primarily to the run-off of Neon. Excluding the $567 million in gross written premiums from the Neon exited lines in 2019, gross written premiums increased approximately 8% in 2020 compared to 2019. This increase reflects growth in the excess and surplus, excess liability, targeted markets and directors and officers businesses, primarily the result of renewal rate

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increases, new business opportunities and higher retentions on renewal business, partially offset by lower premiums in the workers’ compensation businesses due to reduced exposures as a result of the COVID-19 pandemic coupled with renewal rate decreases. Average renewal rates increased approximately 14% for this group in 2020. Excluding rate decreases in the workers’ compensation business, renewal rates for this group increased nearly 24% in 2020. Reinsurance premiums ceded as a percentage of gross written premiums increased 5 percentage points in 2020 compared to 2019, reflecting growth in the excess and surplus and public sector businesses, which cede a larger percentage of premiums than many of the businesses in the Specialty casualty sub-segment and higher cessions in the professional liability business.

Gross written premiums increased $323 million (9%) in 2019 compared to 2018 due primarily to the addition of premiums from ABA Insurance Services and growth in the excess and surplus lines, executive liability and targeted markets businesses and higher premiums reported by Neon. This growth was partially offset by lower premiums in the workers’ compensation businesses. Average renewal rates increased approximately 3% for this group in 2019. Excluding rate decreases in the workers’ compensation business, renewal rates for this group increased approximately 8% in 2019. Reinsurance premiums ceded as a percentage of gross written premiums increased 1 percentage point in 2019 compared to 2018, reflecting growth in the surplus lines, excess liability and mergers and acquisitions businesses, which have a higher ceding percentage than many of the businesses in the Specialty casualty sub-segment.

Specialty financial Gross written premiums decreased $34 million (4%) in 2020 compared to 2019 due primarily to lower premiums from the impact of various state regulations regarding policy cancellations and the placement of forced coverage in the financial institutions business and COVID-related economic impacts on the surety business and heightened risk selection that has reduced new business in the trade credit business, partially offset by higher premiums in the fidelity business. Average renewal rates for this group increased nearly 8% in 2020. Reinsurance premiums ceded as a percentage of gross written premiums decreased 2 percentage points in 2020 compared to 2019, reflecting lower cessions in the financial institutions business.

Gross written premiums increased $22 million (3%) in 2019 compared to 2018 due primarily to higher premiums in the fidelity, surety and equipment leasing businesses, partially offset by lower premiums in the financial institutions business. Average renewal rates for this group increased approximately 1% in 2019. Reinsurance premiums ceded as a percentage of gross written premiums were comparable in 2019 and 2018.

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 property and casualty insurance sub-segments. Reinsurance premiums assumed increased $49 million (33%) in 2020 compared to 2019, reflecting an increase in premiums retained, primarily from businesses in the Specialty casualty sub-segment.

Reinsurance premiums assumed decreased $10 million (6%) in 2019 compared to 2018, reflecting lower premiums retained, primarily from businesses in the Specialty casualty sub-segment.

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Combined Ratio

The table below (dollars in millions) details the components of the combined ratio for AFG’s property and casualty insurance segment for 2020, 2019 and 2018:

	Year ended December 31,						Change				Year ended December 31,
	2020		2019		2018		2020 - 2019		2019 - 2018		2020		2019		2018
Property and transportation
Loss and LAE ratio	64.6	%	71.0	%	69.0	%	(6.4	%)	2.0	%
Underwriting expense ratio	25.8	%	24.7	%	24.1	%	1.1	%	0.6	%
Combined ratio	90.4	%	95.7	%	93.1	%	(5.3	%)	2.6	%
Underwriting profit											$	181	$	79	$	120
Specialty casualty
Loss and LAE ratio	62.5	%	61.1	%	61.5	%	1.4	%	(0.4	%)
Underwriting expense ratio	27.5	%	32.2	%	32.7	%	(4.7	%)	(0.5	%)
Combined ratio	90.0	%	93.3	%	94.2	%	(3.3	%)	(0.9	%)
Underwriting profit											$	223	$	175	$	141
Specialty financial
Loss and LAE ratio	39.5	%	31.5	%	37.6	%	8.0	%	(6.1	%)
Underwriting expense ratio	52.3	%	53.5	%	51.3	%	(1.2	%)	2.2	%
Combined ratio	91.8	%	85.0	%	88.9	%	6.8	%	(3.9	%)
Underwriting profit											$	50	$	92	$	66
Total Specialty
Loss and LAE ratio	60.9	%	61.5	%	61.3	%	(0.6	%)	0.2	%
Underwriting expense ratio	30.4	%	32.2	%	32.1	%	(1.8	%)	0.1	%
Combined ratio	91.3	%	93.7	%	93.4	%	(2.4	%)	0.3	%
Underwriting profit											$	426	$	325	$	322
Aggregate — including exited lines
Loss and LAE ratio	64.1	%	63.0	%	61.7	%	1.1	%	1.3	%
Underwriting expense ratio	31.4	%	32.8	%	32.1	%	(1.4	%)	0.7	%
Combined ratio	95.5	%	95.8	%	93.8	%	(0.3	%)	2.0	%
Underwriting profit											$	224	$	212	$	302

The Specialty property and casualty insurance operations generated an underwriting profit of $426 million in 2020 compared to $325 million in 2019, an increase of $101 million (31%). The higher underwriting profit in 2020 reflects higher underwriting profits in the Property and transportation and Specialty casualty sub-segments, partially offset by lower underwriting profit in the Specialty financial sub-segment. Underwriting results for the Specialty property and casualty insurance operations include $95 million in COVID-19 related losses (1.9 points on the combined ratio) in 2020. Overall catastrophe losses were $91 million (1.9 points on the combined ratio) and related net reinstatement premiums were $2 million for 2020 compared to catastrophe losses of $60 million (1.2 points) and related net reinstatement premiums of $1 million for 2019.

The Specialty property and casualty insurance operations generated an underwriting profit of $325 million in 2019 compared to $322 million in 2018, an increase of $3 million (1%). The higher underwriting profit in 2019 reflects higher underwriting profits in the Specialty casualty and Specialty financial sub-segments, partially offset by lower underwriting profit in the Property and transportation sub-segment. Overall catastrophe losses were $60 million (1.2 points on the combined ratio) and related net reinstatement premiums were $1 million for 2019 compared to catastrophe losses of $103 million (2.1 points) and related net reinstatement premiums of $2 million for 2018.

Property and transportation Underwriting profit for this group was $181 million in 2020 compared to $79 million in 2019, an increase of $102 million (129%). This increase reflects higher underwriting profitability in the crop operations following record levels of prevented planting claims in 2019 and, to a lesser extent, higher favorable prior year reserve development in the transportation businesses and improved underwriting results in the aviation business and the Singapore branch. COVID-19 related losses for this group were $7 million (0.4 points on the combined ratio) in 2020.

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Catastrophe losses were $47 million (2.5 points on the combined ratio) in 2020 compared to $32 million (1.8 points) in 2019.

Underwriting profit for this group was $79 million in 2019 compared to $120 million in 2018, a decrease of $41 million (34%). Record levels of prevented planting claims in the crop operations were the driver of the lower underwriting profit in 2019 compared to 2018, partially offset by higher underwriting profits in the transportation businesses. Catastrophe losses were $32 million (1.8 points on the combined ratio) in 2019 compared to $26 million (1.5 points) in 2018.

Specialty casualty Underwriting profit for this group was $223 million in 2020 compared to $175 million in 2019, an increase of $48 million (27%). This increase reflects higher year-over-year underwriting profitability in the excess surplus and excess liability businesses and the impact of $36 million of underwriting losses at Neon in 2019, partially offset by lower year-over-year underwriting profits in the targeted markets and workers’ compensation businesses. See “Neon exited lines” under “Property and Casualty Insurance Segment — Results of Operations” for the quarters ended December 31, 2020 and 2019 for information about AFG’s exit from the Lloyd’s of London insurance market in 2020. COVID-19 related losses were $60 million (2.7 points on the combined ratio) in 2020, primarily in the workers’ compensation and executive liability businesses. Catastrophe losses were $14 million (0.6 points on the combined ratio) and related net reinstatement premiums were $2 million in 2020 compared to catastrophe losses of $17 million (0.7 points) and related net reinstatement premiums of $1 million in 2019.

Underwriting profit for this group was $175 million in 2019 compared to $141 million in 2018, an increase of $34 million (24%). Higher underwriting profits in the targeted markets and workers’ compensation businesses and a reduction in the underwriting loss at Neon (excluding the Neon exited lines charge), due primarily to lower year-over-year catastrophe losses, were partially offset by lower underwriting profits in the excess and surplus lines, executive liability and general liability businesses. Catastrophe losses were $17 million (0.7 points on the combined ratio) and related net reinstatement premiums were $1 million in 2019 compared to catastrophe losses of $45 million (1.9 points) and related net reinstatement premiums of $1 million in 2018.

Specialty financial Underwriting profit for this group was $50 million in 2020 compared to $92 million in 2019, a decrease of $42 million (46%) due primarily to lower underwriting profitability in the trade credit, surety and innovative markets businesses and higher year-over year catastrophe losses in the financial institutions business. COVID-19 related losses were $26 million (4.3 points on the combined ratio) in 2020 primarily related to trade credit insurance. Catastrophe losses were $26 million (4.3 points on the combined ratio) in 2020 compared to $10 million (1.6 points) in 2019.

Underwriting profit for this group was $92 million in 2019 compared to $66 million in 2018, an increase of $26 million (39%) due primarily to higher underwriting profitability in the financial institutions and surety businesses. Catastrophe losses were $10 million (1.6 points on the combined ratio) in 2019 compared to $28 million (4.7 points) and related net reinstatement premiums of $1 million in 2018.

Other specialty This group reported an underwriting loss of $28 million in 2020 compared to $21 million in 2019, an increase of $7 million (33%). This increase reflects higher losses in the business assumed by AFG’s internal reinsurance program from the operations that make up AFG’s other Specialty sub-segments in 2020 compared to 2019.

This group reported an underwriting loss of $21 million in 2019 compared to $5 million in 2018, an increase of $16 million (320%). This increase reflects higher losses in the business assumed by AFG’s internal reinsurance program from the operations that make up AFG’s other Specialty sub-segments in 2019 compared to 2018.

Aggregate Aggregate underwriting results for AFG’s property and casualty insurance segment include asbestos and environmental reserve charges of $47 million in 2020, $18 million in 2019 and $18 million in 2018, an underwriting loss of $135 million at Neon in 2020, due primarily to catastrophe losses, COVID-19 related charges and several large claims, and the $76 million Neon exited lines charge in 2019. See “Asbestos and Environmental-related (“A&E”) Insurance Reserves,” under “Uncertainties” and “Neon exited lines” under “Property and Casualty Insurance Segment — Results of Operations” for the quarters ended December 31, 2020 and 2019. Aggregate underwriting results for AFG’s property and casualty insurance segment also include adverse prior year reserve development of $20 million in 2020, $19 million in 2019 and $2 million in 2018, related to business outside of the Specialty group that AFG no longer writes.

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Losses and Loss Adjustment Expenses

AFG’s overall loss and LAE ratio was 64.1%, 63.0% and 61.7% in 2020, 2019 and 2018, respectively. The components of AFG’s property and casualty losses and LAE amounts and ratio are detailed below (dollars in millions):

	Year ended December 31,
	Amount						Ratio						Change in Ratio
	2020		2019		2018		2020		2019		2018		2020 - 2019		2019 - 2018
Property and transportation
Current year, excluding COVID-19 related and catastrophe losses	$	1,261	$	1,332	$	1,216	67.4	%	72.8	%	70.3	%	(5.4	%)	2.5	%
Prior accident years development	(107)		(67)		(50)		(5.7	%)	(3.6	%)	(2.8	%)	(2.1	%)	(0.8	%)
COVID-19 related losses	7		—		—		0.4	%	—	%	—	%	0.4	%	—	%
Current year catastrophe losses	47		32		26		2.5	%	1.8	%	1.5	%	0.7	%	0.3	%
Property and transportation losses and LAE and ratio	$	1,208	$	1,297	$	1,192	64.6	%	71.0	%	69.0	%	(6.4	%)	2.0	%
Specialty casualty
Current year, excluding COVID-19 related and catastrophe losses	$	1,419	$	1,657	$	1,570	63.5	%	63.8	%	65.4	%	(0.3	%)	(1.6	%)
Prior accident years development	(97)		(88)		(139)		(4.3	%)	(3.4	%)	(5.8	%)	(0.9	%)	2.4	%
COVID-19 related losses	60		—		—		2.7	%	—	%	—	%	2.7	%	—	%
Current year catastrophe losses	14		17		45		0.6	%	0.7	%	1.9	%	(0.1	%)	(1.2	%)
Specialty casualty losses and LAE and ratio	$	1,396	$	1,586	$	1,476	62.5	%	61.1	%	61.5	%	1.4	%	(0.4	%)
Specialty financial
Current year, excluding COVID-19 related and catastrophe losses	$	218	$	220	$	223	35.4	%	36.2	%	37.3	%	(0.8	%)	(1.1	%)
Prior accident years development	(28)		(38)		(26)		(4.5	%)	(6.3	%)	(4.4	%)	1.8	%	(1.9	%)
COVID-19 related losses	26		—		—		4.3	%	—	%	—	%	4.3	%	—	%
Current year catastrophe losses	26		10		28		4.3	%	1.6	%	4.7	%	2.7	%	(3.1	%)
Specialty financial losses and LAE and ratio	$	242	$	192	$	225	39.5	%	31.5	%	37.6	%	8.0	%	(6.1	%)
Total Specialty
Current year, excluding COVID-19 related and catastrophe losses	$	3,013	$	3,315	$	3,092	61.5	%	64.0	%	63.6	%	(2.5	%)	0.4	%
Prior accident years development	(213)		(187)		(212)		(4.4	%)	(3.7	%)	(4.4	%)	(0.7	%)	0.7	%
COVID-19 related losses	95		—		—		1.9	%	—	%	—	%	1.9	%	—	%
Current year catastrophe losses	91		60		103		1.9	%	1.2	%	2.1	%	0.7	%	(0.9	%)
Total Specialty losses and LAE and ratio	$	2,986	$	3,188	$	2,983	60.9	%	61.5	%	61.3	%	(0.6	%)	0.2	%
Aggregate — including exited lines
Current year, excluding COVID-19 related and catastrophe losses	$	3,155	$	3,354	$	3,092	61.9	%	64.6	%	63.6	%	(2.7	%)	1.0	%
Prior accident years development	(127)		(143)		(192)		(2.5	%)	(2.8	%)	(4.0	%)	0.3	%	1.2	%
COVID-19 related losses	115		—		—		2.2	%	—	%	—	%	2.2	%	—	%
Current year catastrophe losses	128		60		103		2.5	%	1.2	%	2.1	%	1.3	%	(0.9	%)
Aggregate losses and LAE and ratio	$	3,271	$	3,271	$	3,003	64.1	%	63.0	%	61.7	%	1.1	%	1.3	%

Current accident year losses and LAE, excluding COVID-19 related and catastrophe losses

The current accident year loss and LAE ratio, excluding COVID-19 related and catastrophe losses for AFG’s Specialty property and casualty insurance operations was 61.5% in 2020, 64.0% in 2019 and 63.6% in 2018.

Property and transportation   The 5.4 percentage points decrease in the loss and LAE ratio for the current year, excluding COVID-19 related and catastrophe losses in 2020 compared to 2019 reflects a decrease in the loss and LAE ratio in the crop operations due to a high level of prevented planting claims resulting from excess rain in 2019 and, to a lesser extent, lower loss and LAE ratios in the aviation and transportation businesses due primarily to rate increases and

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lower claim frequency in 2020, and lower loss and LAE ratios in non-crop agricultural businesses and the Singapore branch in 2020 compared to 2019.

The 2.5 percentage points increase in the loss and LAE ratio for the current year, excluding catastrophe losses in 2019 compared to 2018 reflects an increase in the loss and LAE ratio of the crop operations due to a high level of prevented planting claims resulting from excess rain in 2019.

Specialty casualty   The 0.3 percentage points decrease in the loss and LAE ratio for the current year, excluding COVID-19 related and catastrophe losses in 2020 compared to 2019 reflects a decrease in the loss and LAE ratios of the workers’ compensation, targeted markets, executive liability and excess and surplus businesses, partially offset by the impact of the Neon exited lines in 2019, which has a lower loss and LAE ratio than many of the other businesses in the Specialty casualty group. Excluding the impact of the Neon exited lines, the loss and LAE ratio for the current year, excluding COVID-19 related and catastrophe losses decreased 2.1 percentage points in 2020 compared to 2019.

The 1.6 percentage points decrease in the loss and LAE ratio for the current year, excluding catastrophe losses in 2019 compared to 2018 reflects a decrease in the loss and LAE ratio at Neon (excluding the impact of the Neon exited lines charge in 2019).

Specialty financial   The 0.8 percentage points decrease in the loss and LAE ratio for the current year, excluding COVID-19 related and catastrophe losses in 2020 compared to 2019 reflects a decrease in the loss and LAE ratio of the financial institutions business, partially offset by an increase in the loss and LAE ratio of the fidelity business.

The 1.1 percentage points decrease in the loss and LAE ratio for the current year, excluding catastrophe losses in 2019 compared to 2018 reflects a decrease in the loss and LAE ratio of the financial institutions business.

Net prior year reserve development

AFG’s Specialty property and casualty insurance operations recorded net favorable reserve development related to prior accident years of $213 million in 2020 compared to $187 million in 2019 and $212 million in 2018, an increase of $26 million (14%) and a decrease of $25 million (12%), respectively.

Property and transportation Net favorable reserve development of $107 million in 2020 reflects lower than expected claim frequency and severity in the aviation, transportation and agricultural businesses.

Net favorable reserve development of $67 million in 2019 reflects lower than expected claim frequency and severity at National Interstate and lower than expected losses in the crop business.

Net favorable reserve development of $50 million in 2018 reflects lower than expected losses in the crop business and lower than expected claim severity at National Interstate, partially offset by higher than expected claim frequency and severity in the Singapore branch and aviation operations.

Specialty casualty Net favorable reserve development of $97 million in 2020 reflects lower than anticipated claim severity in the workers’ compensation businesses and lower than anticipated claim frequency in the executive liability business, partially offset by higher than expected claim frequency and severity in general liability contractor claims and the excess and surplus and excess liability businesses and higher than anticipated claim severity in the targeted markets businesses.

Net favorable reserve development of $88 million in 2019 reflects lower than anticipated claim frequency and severity in the workers’ compensation businesses, partially offset by higher than expected claim severity in the excess and surplus lines businesses and higher than expected claim frequency in product liability contractor claims.

Net favorable reserve development of $139 million in 2018 reflects lower than anticipated claim severity in the workers’ compensation businesses and lower than expected emergence in assumed 2017 property catastrophe losses at Neon, and to a lesser extent, lower than expected claim severity in the executive liability business.

Specialty financial Net favorable reserve development of $28 million in 2020 reflects lower than anticipated claim frequency in the trade credit business and lower than anticipated claim frequency and severity in the financial institutions, fidelity and surety businesses.

Net favorable reserve development of $38 million in 2019 reflects lower than expected claim frequency and severity in the surety and financial institutions businesses and lower than anticipated claim severity in the foreign credit business.

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Net favorable reserve development of $26 million in 2018 reflects lower than expected claim frequency and severity in the surety business, lower than expected claim severity in the fidelity business and lower than expected claim frequency in run-off businesses.

Other specialty In addition to the reserve development discussed above, total Specialty prior year reserve development includes net adverse reserve development of $19 million, $6 million and $3 million in 2020, 2019, and 2018, respectively. The net adverse reserve development reflects $24 million, $12 million and $10 million in 2020, 2019 and 2018, respectively, of adverse development associated with AFG’s internal reinsurance program, partially offset by the amortization of the deferred gains on the retroactive reinsurance transactions entered into in connection with the sale of businesses in 1998 and 2001.

Asbestos and environmental reserve charges   As previously discussed under “Uncertainties” — “Asbestos and Environmental-related (“A&E”) Insurance Reserves,” AFG has established property and casualty reserves for claims related to environmental exposures and asbestos claims. Total charges recorded to increase reserves (net of reinsurance recoverable) for A&E exposures of AFG’s property and casualty group (included in loss and loss adjustment expenses) were $47 million in 2020 and $18 million in both 2019 and 2018.

Neon exited lines AFG recorded net adverse prior year reserve development of $19 million in 2020 and $7 million in 2019 related to Neon’s exited lines of business (included in loss and loss adjustment expenses). See “Neon exited lines” under “Property and Casualty Insurance Segment — Results of Operations” for the quarters ended December 31, 2020 and 2019 for information about AFG’s exit of the Lloyd’s of London insurance market in 2020.

Aggregate Aggregate net prior accident years reserve development for AFG’s property and casualty insurance segment includes the special A&E charges, reserve development related to the Neon exited lines mentioned above and net adverse reserve development of $20 million, $19 million and $2 million in 2020, 2019 and 2018, respectively, related to business outside the Specialty group that AFG no longer writes.

Covid-19 related losses

Underwriting results for AFG’s Specialty property and casualty insurance operations in 2020 included $95 million in COVID-19 related losses. Given the uncertainties surrounding the ultimate number or scope of claims relating to the pandemic, these charges, approximately 72% of which establish reserves for claims that have been incurred but not reported, represent AFG’s current best estimate of losses from the pandemic and related economic disruption incurred through December 31, 2020. Approximately 70% of AFG’s COVID-19 related losses were reported in the workers’ compensation, directors and officers and trade credit businesses, with the remainder spread across numerous other businesses.

In addition, underwriting results for the Neon exited lines includes $20 million of COVID-19 related losses in 2020.

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. AFG recorded net catastrophe losses of $128 million in 2020 primarily from storms and tornadoes in multiple regions of the United States in the first quarter; storms and tornadoes in multiple regions of the United States and civil unrest in the second quarter; Hurricanes Hanna, Laura and Sally, Tropical Storm Isaias, storms and tornadoes in multiple regions of the United States and multiple wildfires in west coast states in the third quarter, and Hurricanes Laura, Sally, Delta and Zeta and the Nashville explosion in the fourth quarter.

Catastrophe losses of $60 million in 2019 resulted primarily from winter storms in multiple regions of the United States in the first quarter; storms and tornadoes in multiple regions of the United States in the second quarter; Hurricane Dorian and Tropical Storm Imelda in the third quarter and Typhoons Faxai and Hagibis, storms and tornadoes in the south-central United States and the Kincade fire in California in the fourth quarter.

Catastrophe losses of $103 million in 2018 resulted primarily from mudslides in California in the first quarter, storms and flooding in several regions of the United States in the second quarter, Hurricane Florence in the third quarter and Hurricane Michael and wildfires in California in the fourth quarter.

Commissions and Other Underwriting Expenses

AFG’s property and casualty commissions and other underwriting expenses (“U/W Exp”) were $1.60 billion in 2020 compared to $1.70 billion in 2019, a decrease of $98 million (6%). AFG’s underwriting expense ratio was 31.4% in 2020 compared to 32.8% in 2019, a decrease of 1.4 percentage points.

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AFG’s property and casualty U/W Exp were $1.70 billion in 2019 compared to $1.56 billion in 2018, an increase of $142 million (9%). AFG’s underwriting expense ratio was 32.8% in 2019 compared to 32.1% in 2018, 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):

	Year ended December 31,												Change in % of NEP
	2020				2019				2018				2020 - 2019		2019 - 2018
	U/W Exp		% of NEP		U/W Exp		% of NEP		U/W Exp		% of NEP
Property and transportation	$	482	25.8	%	$	452	24.7	%	$	417	24.1	%	1.1	%	0.6	%
Specialty casualty	616		27.5	%	836		32.2	%	786		32.7	%	(4.7	%)	(0.5	%)
Specialty financial	321		52.3	%	326		53.5	%	307		51.3	%	(1.2	%)	2.2	%
Other specialty	68		38.5	%	58		37.9	%	50		37.3	%	0.6	%	0.6	%
Total Specialty	1,487		30.4	%	1,672		32.2	%	1,560		32.1	%	(1.8	%)	0.1	%
Neon exited lines	117				30				—
Total Aggregate	$	1,604	31.4	%	$	1,702	32.8	%	$	1,560	32.1	%	(1.4	%)	0.7	%

Property and transportation   Commissions and other underwriting expenses as a percentage of net earned premiums increased 1.1 percentage points in 2020 compared to 2019, reflecting lower profitability-based ceding commissions received from reinsurers in the crop business.

Commissions and other underwriting expenses as a percentage of net earned premiums increased 0.6 percentage points in 2019 compared to 2018 reflecting lower profitability-based ceding commissions received from reinsurers in the crop business.

Specialty casualty   Commissions and other underwriting expenses as a percentage of net earned premiums decreased 4.7 percentage points in 2020 compared to 2019 due to the runoff of Neon. Neon has a higher expense ratio than many of the other businesses in the Specialty casualty sub-segment. Excluding Neon exited lines, the underwriting expense ratio decreased 1.5 percentage points in 2020 compared to 2019 reflecting higher ceding commissions received from reinsurers as a result of growth in the excess liability business.

Commissions and other underwriting expenses as a percentage of net earned premiums decreased 0.5 percentage points in 2019 compared to 2018 reflecting the impact of higher premiums on the ratio.

Specialty financial   Commissions and other underwriting expenses as a percentage of net earned premiums decreased 1.2 percentage points in 2020 compared to 2019 reflecting the impact of higher premiums on the ratio in the fidelity and equipment leasing businesses and lower travel expenses.

Commissions and other underwriting expenses as a percentage of net earned premiums increased 2.2 percentage points in 2019 compared to 2018 reflecting higher profitability-based commissions paid to agents in the financial institutions business, partially offset by lower underwriting expenses in the equipment leasing business.

Aggregate   Aggregate commissions and other underwriting expenses for AFG’s property and casualty insurance segment includes $117 million of underwriting expenses in the Neon run-off operations in 2020 and $30 million related to the Neon exited lines charge in 2019 representing contractual employee severance benefits and other incurred exit costs. See “Neon exited lines” under “Property and Casualty Insurance Segment — Results of Operations” for the quarters ended December 31, 2020 and 2019.

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Property and Casualty Net Investment Income

Excluding the Neon exited lines, net investment income in AFG’s property and casualty insurance operations was $404 million in 2020 compared to $472 million in 2019, a decrease of $68 million (14%). Net investment income in AFG’s property and casualty operations was $472 million in 2019 compared to $438 million in 2018, an increase of $34 million (8%). The average invested assets and overall yield earned on investments held by AFG’s property and casualty insurance operations are provided below (dollars in millions):

	Year ended December 31,									2020 - 2019					2019 - 2018
	2020			2019			2018			Change			% Change		Change			% Change
Net investment income:
Net investment income excluding alternative investments	$	345		$	398		$	358		$	(53)		(13	%)	$	40		11	%
Alternative investments	59			74			80			(15)			(20	%)	(6)			(8	%)
Total net investment income	$	404		$	472		$	438		$	(68)		(14	%)	$	34		8	%
Average invested assets (at amortized cost)	$	11,760		$	11,348		$	10,497		$	412		4	%	$	851		8	%
Yield (net investment income as a % of average invested assets)	3.44		%	4.16		%	4.17		%	(0.72		%)			(0.01		%)
Tax equivalent yield (*)	3.56		%	4.32		%	4.35		%	(0.76		%)			(0.03		%)

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

The property and casualty insurance segment’s decrease in net investment income in 2020 compared to 2019 reflects lower earnings from alternative investments (partnerships and similar investments and AFG-managed CLOs) in 2020 as a result of the negative impact of the COVID-19 pandemic on financial markets, lower short-term interest rates and lower dividend income, partially offset by growth in the property and casualty insurance segment. The property and casualty insurance segment’s overall yield on investments (net investment income as a percentage of average invested assets) was 3.44% in 2020 compared to 4.16% in 2019, a decrease of 0.72 percentage points. The yield earned on alternative investments was 6.6% in 2020 compared to 10.3% in 2019.

In addition to the property and casualty segment’s net investment income from ongoing operations discussed above, the Neon exited lines reported a $5 million loss in 2020 in net investment income, primarily from changes in the fair value of equity securities.

The increase in average invested assets and net investment income in the property and casualty insurance segment in 2019 compared to 2018 reflects growth in the property and casualty insurance segment. The property and casualty insurance segment’s overall yield on investments was 4.16% in 2019 compared to 4.17% in 2018, a decrease of 0.01 percentage points reflecting lower earnings from alternative investments. The yield earned on alternative investments was 10.3% in 2019 compared to 13.9% in 2018.

Property and Casualty Other Income and Expenses, Net

Other income and expenses, net for AFG’s property and casualty insurance operations was a net expense of $34 million in 2020, $35 million in 2019, and $31 million in 2018. The table below details the items included in other income and expenses, net for AFG’s property and casualty insurance operations (in millions):

	Year ended December 31,
	2020		2019		2018
Other income	$	8	$	11	$	10
Other expenses
Amortization of intangibles	12		11		9
Other	30		35		32
Total other expenses	42		46		41
Other income and expenses, net	$	(34)	$	(35)	$	(31)

In addition to the property and casualty segment’s other income and expenses, net from ongoing operations discussed above, the Neon exited lines incurred a net expense of $5 million in other income and expenses, net during 2020.

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Annuity Segment — Results of Operations

AFG’s annuity operations contributed $171 million in GAAP pretax earnings in 2020 compared to $362 million in 2019, a decrease of $191 million (53%) due primarily to lower core earnings, the impact of a stronger stock market performance in 2019 as compared to 2020, the amortization of the deferred loss related to the annuity block reinsurance transaction entered into in the fourth quarter of 2020 and other reinsurance impacts and higher unlocking charges in 2020 compared to 2019, partially offset by a less negative impact from lower than expected interest rates on the accounting for FIAs in 2020 compared to 2019. AFG monitors the major actuarial assumptions underlying its annuity operations throughout the year and conducts detailed reviews (“unlocking”) of its assumptions annually. Beginning with the third quarter of 2019, AFG moved its annual unlocking from the fourth quarter to the third quarter and expects to continue to conduct the annual review in the third quarter of each year (consistent with many of its peers). If changes in the economic environment or actual experience would cause material revisions to future estimates, these assumptions are updated (unlocked) in an interim quarter. AFG’s unlocking of the actuarial assumptions underlying its annuity operations resulted in a net charge of $46 million in 2020 compared to $1 million in 2019.

AFG’s annuity operations contributed $362 million in GAAP pretax earnings in 2019 compared to $361 million in 2018, an increase of $1 million. This slight increase in AFG’s GAAP annuity segment results for 2019 compared 2018 is due primarily to the positive impact of strong market performance in the 2019 period, the unfavorable impact of the decline in the stock market in 2018 and higher unlocking charges in the 2018 period, offset by the unfavorable impact of significantly lower than anticipated interest rates on the fair value of derivatives related to FIAs in 2019 compared to the favorable impact of higher than anticipated interest rates in 2018. In addition to the fourth quarter detailed review in 2018, AFG unlocked its assumptions for option costs and interest rates in the second quarter of 2018 due to continued higher FIA option costs (resulting primarily from higher than expected risk-free rates). AFG’s unlocking of the actuarial assumptions underlying its annuity operations resulted in a net charge of $1 million in 2019 compared to $31 million in 2018.

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The following table details AFG’s GAAP and core earnings before income taxes from its annuity operations for 2020, 2019 and 2018 (dollars in millions):

	Year ended December 31,						% Change
	2020		2019		2018		2020 - 2019		2019 - 2018
Revenues:
Net investment income	$	1,699	$	1,792	$	1,638	(5	%)	9	%
Other income:
Guaranteed withdrawal benefit fees	69		67		65		3	%	3	%
Policy charges and other miscellaneous income (a)	67		52		60		29	%	(13	%)
Total revenues	1,835		1,911		1,763		(4	%)	8	%
Costs and Expenses:
Annuity benefits (a)(b)	1,085		1,152		1,016		(6	%)	13	%
Acquisition expenses (a)	265		222		255		19	%	(13	%)
Other expenses (a)	126		139		131		(9	%)	6	%
Total costs and expenses	1,476		1,513		1,402		(2	%)	8	%
Core earnings before income taxes	359		398		361		(10	%)	10	%
Pretax non-core earnings (losses) (a)	(188)		(36)		—		422	%	—	%
GAAP earnings before income taxes	$	171	$	362	$	361	(53	%)	—	%

(a)As discussed under “Results of Operations — General,” beginning with the second quarter of 2019, unlocking, the impact of changes in the fair value of derivatives related to FIAs, and other impacts of changes in the stock market and interest rates on the accounting for FIAs over or under the cost of the equity index options purchased to mitigate the risk in the index-based component of those FIAs are considered non-core earnings (losses). In addition, the amortization of the deferred loss related to the annuity block reinsurance transaction entered into in the fourth quarter of 2020 and other reinsurance impacts are considered non-core earnings (losses). The impact of these items are shown aggregated as non-core annuity earnings (losses) and excluded from the income statement line items in the table above for 2020 and 2019, respectively:

•Policy charges and other miscellaneous income — $5 million unfavorable impact in 2020 and $1 million favorable in 2019.

•Annuity benefits — unfavorable impact of $140 million in 2020 and $11 million in 2019.

•Acquisition expenses — unfavorable impact on the amortization of deferred policy acquisition costs of $37 million in 2020 and $26 million in 2019.

•Other expenses — unfavorable impact of $6 million in 2020.

(b)Details of the components of annuity benefits are provided below.

Annuity earnings before income taxes were $359 million in 2020 compared to $398 million in 2019, a decrease of $39 million (10%). As discussed under “Results of Operations — General,” beginning with the second quarter of 2019, unlocking, changes in the fair value of derivatives related to FIAs, and other impacts of changes in the stock market and interest rates on the accounting for FIAs over or under the cost of the equity index options purchased to mitigate the risk in the index-based component of those FIAs are considered non-core earnings (losses). In addition, the amortization of the deferred loss related to the annuity block reinsurance transaction entered into in the fourth quarter of 2020 and other reinsurance impacts are considered non-core earnings (losses). For 2020, the annuity segment’s core earnings before income taxes excludes $188 million in pretax losses related to these items. Since annuity core earnings for the first quarter of 2019 and prior periods were not adjusted, the annuity segment’s core earnings before income taxes for 2019 includes the $11 million unfavorable impact from changes in the fair value of derivatives related to FIAs and other impacts of changes in the stock market and interest rates on the accounting for FIAs over or under the cost of the equity index options purchased to mitigate the risk in the index-based component of those FIAs in the first quarter of 2019 and the full-year results for 2018 include the $48 million unfavorable impact from these items. Excluding the $11 million unfavorable impact of these items in the first quarter of 2019, annuity core net operating earnings decreased $50 million in 2020 compared to 2019 reflecting lower income from partnerships and similar investments and AFG-managed CLOs and the impact of lower short-term interest rates on investment income in 2020, partially offset by higher gains on equity index call options in excess of policyholder index credits, lower other expenses, higher than expected persistency and a reduction in the cost of funds due to renewal rate actions taken by AFG. Excluding the unfavorable impact of these items in the first quarter of 2019 and full-year 2018, annuity core earnings before income taxes were $409 million for both 2019 and 2018 reflecting growth in the business, offset by the impact of lower investment yields and higher renewal option costs. The

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table below highlights the impact of reinsurance, unlocking, changes in the fair value of derivatives and other impacts of the changes in the stock market and interest rates on annuity segment results (dollars in millions):

	Year ended December 31,						% Change
	2020		2019		2018		2020 - 2019		2019 - 2018
Earnings before income taxes — before the impact of reinsurance, unlocking, derivatives related to FIAs and other impacts of stock market performance and interest rates on FIAs	$	359	$	409	$	409	(12	%)	—	%
Reinsurance	(47)		—		—		—	%	—	%
Unlocking	(46)		(1)		(31)		4,500	%	(97	%)
Impact of derivatives related to FIAs and other impacts of changes in the stock market and interest rates on FIAs over or under option costs:
Change in fair value of derivatives related to FIAs	(279)		(294)		(51)		(5	%)	476	%
Accretion of guaranteed minimum FIA benefits	(404)		(408)		(347)		(1	%)	18	%
Other annuity benefits	(60)		(14)		(83)		329	%	(83	%)
Less cost of equity options	562		586		506		(4	%)	16	%
Related impact on the amortization of deferred policy acquisition costs	86		84		(42)		2	%	(300	%)
Earnings before income taxes	$	171	$	362	$	361	(53	%)	—	%

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

	Year ended December 31,
	2020								2019						Total
			Non-Core												% Change
	Core		Non- Reinsurance		Reinsurance		Total		Core		Non-core		Total		2020 - 2019
Interest credited — fixed	$	399	$	—	$	—	$	399	$	396	$	—	$	396	1	%
Accretion of guaranteed minimum FIA benefits	—		404		22		426		99		309		408		4	%
Interest credited — fixed component of variable annuities	4		—		—		4		4		—		4		—	%
Cost of equity options	562		(562)		—		—		445		(445)		—		—	%
Other annuity benefits:
Amortization of sales inducements	9		—		—		9		13		—		13		(31	%)
Change in guaranteed withdrawal benefit reserve:
Impact of reinsurance and change in the stock market and interest rates	—		5		—		5		(12)		(12)		(24)		(121	%)
Accretion of benefits and other	96		—		—		96		84		—		84		14	%
Change in expected death and annuitization reserves and other	15		—		—		15		24		—		24		(38	%)
Change in other benefit reserves — impact of reinsurance and changes in interest rates and the stock market	—		55		(4)		51		4		34		38		34	%
Unlocking	—		(77)		—		(77)		—		(74)		(74)		4	%
Derivatives related to fixed-indexed annuities:
Embedded derivative mark-to-market	—		462		61		523		462		638		1,100		(52	%)
Equity option mark-to-market	—		(183)		(43)		(226)		(367)		(439)		(806)		(72	%)
Impact of derivatives related to FIAs	—		279		18		297		95		199		294		1	%
Total annuity benefits	1,085		104		36		1,225		1,152		11		1,163		5	%
Reclassify annuity segment option gains	(33)		—		—		(33)		(12)		—		(12)		175	%
GAAP annuity benefits	$	1,052	$	104	$	36	$	1,192	$	1,140	$	11	$	1,151	4	%

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							Total
	Year ended December 31, 2018						% Change
	Core		Non-core		Total		2019 - 2018
Interest credited — fixed	$	357	$	—	$	357	11	%
Accretion of guaranteed minimum FIA benefits	347		—		347		18	%
Interest credited — fixed component of variable annuities	5		—		5		(20	%)
Cost of equity options	—		—		—		—	%
Other annuity benefits:
Amortization of sales inducements	19		—		19		(32	%)
Change in guaranteed withdrawal benefit reserve:
Impact of change in the stock market and interest rates	32		—		32		(175	%)
Accretion of benefits and other	74		—		74		14	%
Change in expected death and annuitization reserves and other	21		—		21		14	%
Change in other benefit reserves — impact of changes in interest rates and the stock market	51		—		51		(25	%)
Unlocking	59		—		59		(225	%)
Derivatives related to fixed-indexed annuities:
Embedded derivative mark-to-market	(248)		—		(248)		(544	%)
Equity option mark-to-market	299		—		299		(370	%)
Impact of derivatives related to FIAs	51		—		51		476	%
Total annuity benefits	1,016		—		1,016		14	%
Reclassify annuity segment option gains	(18)		—		(18)		(33	%)
GAAP annuity benefits	$	998	$	—	$	998	15	%

Because fluctuations in interest rates and the stock market, among other factors, can cause volatility in annuity benefits expense related to FIAs that can be inconsistent with the long-term economics of the FIA business, management believes that including the actual cost of the equity options purchased in the FIA business and excluding unlocking, the impact of changes in the fair value of derivatives related to FIAs, and other impacts of changes in the stock market and interest rates on the accounting for FIAs provides investors with a better view of the true cost of funds in the business and a more comparable measure to the cost of funds reported by its peers. The cost of the equity options included in AFG’s cost of funds is the net purchase price of the option contracts amortized on a straight-line basis over the life of the contracts, which is generally one year. The following table reconciles AFG’s non-GAAP cost of funds measure to total GAAP annuity benefits expense (in millions):

	Year ended December 31,
	2020		2019		2018
Interest credited — fixed	$	399	$	396	$	357
Include cost of equity options	562		586		506
Cost of funds	961		982		863
Interest credited — fixed component of variable annuities	4		4		5
Other annuity benefits, excluding the impact of reinsurance and interest rates and the stock market on FIAs	120		121		114
	1,085		1,107		982
Impact of reinsurance and changes in fair value of derivatives related to FIAs, and other impacts of the stock market and interest rates over or under option costs:
Reinsurance	36		—		—
Unlocking	(77)		(74)		59
Impact of derivatives related to FIAs	279		294		51
Accretion of guaranteed minimum FIA benefits	404		408		347
Other annuity benefits — impact of the stock market and interest rates on FIAs	60		14		83
Less cost of equity options (included in cost of funds)	(562)		(586)		(506)
Total annuity benefits expense	1,225		1,163		1,016
Reclassify annuity segment option gains	(33)		(12)		(18)
GAAP annuity benefits expense	$	1,192	$	1,151	$	998

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See “Annuity Unlocking” below for a discussion of the impact that the unlocking of actuarial assumptions had on annuity benefits expense.

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 and variable-indexed annuities):

	Year ended December 31,									% Change
	2020			2019			2018			2020 - 2019		2019 - 2018
Average fixed annuity investments (at amortized cost)	$	39,260		$	38,216		$	34,471		3	%	11	%
Average fixed annuity benefits accumulated	39,328			38,460			34,706			2	%	11	%
As % of fixed annuity benefits accumulated (except as noted):
Net investment income (as % of fixed annuity investments)	4.31		%	4.67		%	4.73		%
Cost of funds	(2.44		%)	(2.55		%)	(2.49		%)
Other annuity benefit expenses, net of guaranteed withdrawal benefit fees (*)	(0.13		%)	(0.14		%)	(0.15		%)
Net interest spread	1.74		%	1.98		%	2.09		%
Policy charges and other miscellaneous income (*)	0.14		%	0.11		%	0.15		%
Acquisition expenses (*)	(0.66		%)	(0.66		%)	(0.67		%)
Other expenses (*)	(0.31		%)	(0.35		%)	(0.37		%)
Net spread earned on fixed annuities excluding the impact of reinsurance, unlocking, changes in the fair value of derivatives related to FIAs and other impacts of changes in the stock market and interest rates on FIAs	0.91		%	1.08		%	1.20		%
Impact of changes in fair value of derivatives related to FIAs and other impacts of the stock market and interest rates under (over) options costs:
Included in core	—		%	(0.03		%)	(0.04		%)
Annuity non-core earnings (losses) - excluding reinsurance	(0.24		%)	(0.09		%)	—		%
Reinsurance	(0.12		%)	—		%	—		%
Unlocking	(0.12		%)	—		%	(0.09		%)
Net spread earned on fixed annuities	0.43		%	0.96		%	1.07		%

(*)Excluding the impact of reinsurance, unlocking, the impact of changes in the fair value of derivatives related to FIAs, and other impacts of changes in the stock market and interest rates on annuity benefits and the related impact on the amortization of deferred policy acquisition costs.

Annuity Net Investment Income

Net investment income in 2020 was $1.70 billion compared to $1.79 billion in 2019, a decrease of $93 million (5%). The overall yield earned on investments in AFG’s annuity operations, calculated as net investment income divided by average investment balances (at amortized cost), decreased by 0.36 percentage points to 4.31% from 4.67% in 2020 compared to 2019. The decrease in net investment income and the net investment yield between periods reflects the negative impact of lower earnings from partnerships and similar investments and AFG-managed CLOs, and the impact of the run-off of higher yielding investments and lower short-term interest rates. AFG’s annuity segment recorded $64 million in earnings from partnerships and similar investments and AFG-managed CLOs in 2020 compared to $110 million in 2019, a decrease of $46 million (42%). The annualized yield earned on these partnerships and similar investments and AFG-managed CLOs was 4.8% in 2020 compared to 9.7% in 2019.

Net investment income in 2019 was $1.79 billion compared to $1.64 billion in 2018, an increase of $154 million (9%). This increase reflects the growth in AFG’s annuity business, partially offset by the impact of lower investment yields. The overall yield earned on investments in AFG’s annuity operations decreased by 0.06 percentage points to 4.67% from 4.73% in 2019 compared to 2018. This decrease in net investment yield reflects lower yields on partnerships and similar investments and AFG-managed CLOs.

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Annuity Cost of Funds

Cost of funds for 2020 was $961 million compared to $982 million for 2019, a decrease of $21 million (2%). This decrease reflects a reduction in the cost of funds as a percentage of average annuity benefits accumulated due to offering lower renewal crediting rates (index participation) on option costs. The average cost of policyholder funds, calculated as cost of funds divided by average fixed annuity benefits accumulated, decreased 0.11 percentage points to 2.44% from 2.55% in 2020 compared to 2019 reflecting a reduction in the cost of funds as a percentage of average annuity benefits accumulated due to the impact of lower crediting rates (index participation) on both new sales (initial rates) and in force business (renewal rates).

Cost of funds for 2019 was $982 million compared to $863 million for 2018, an increase of $119 million (14%). This increase reflects growth in the annuity business and higher renewal option costs. The average cost of policyholder funds increased 0.06 percentage points to 2.55% from 2.49% in 2019 compared to 2018 reflecting higher renewal option costs.

The following table provides details of AFG’s interest credited and other cost of funds (in millions):

	Year ended December 31,
	2020		2019		2018
Cost of equity options (FIAs)	$	562	$	586	$	506
Interest credited:
Traditional fixed annuities	248		244		234
Fixed component of fixed-indexed annuities	98		94		78
Immediate annuities	23		24		24
Pension risk transfer products	19		7		1
Federal Home Loan Bank advances	11		27		20
Total cost of funds	$	961	$	982	$	863

Other Annuity Benefits, Net of Guaranteed Withdrawal Benefit Fees

Other annuity benefits, net of guaranteed withdrawal benefit fees excluding the impact of reinsurance, unlocking and the stock market and interest rates were $51 million in 2020 and $54 million in 2019, representing a decrease of $3 million (6%) in 2020 compared to 2019. As a percentage of average fixed annuity benefits accumulated, these net expenses decreased 0.01 percentage points to 0.13% in 2020 from 0.14% in 2019.

Other annuity benefits, net of guaranteed withdrawal benefit fees excluding the impact of unlocking and the stock market and interest rates were $54 million in 2019 and $49 million in 2018, representing an increase of $5 million (10%) in 2019 compared to 2018. As a percentage of average fixed annuity benefits accumulated, these net expenses decreased 0.01 percentage points to 0.14% in 2019 from 0.15% in 2018.

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):

	Year ended December 31,
	2020		2019		2018
Other annuity benefits, excluding the impact of reinsurance and the stock market and interest rates on FIAs:
Amortization of sales inducements	$	9	$	13	$	19
Change in guaranteed withdrawal benefit reserve	96		84		74
Change in other benefit reserves	15		24		21
Other annuity benefits	120		121		114
Offset guaranteed withdrawal benefit fees	(69)		(67)		(65)
Other annuity benefits excluding the impact of reinsurance and the stock market and interest rates on FIAs, net	51		54		49
Other annuity benefits — impact of reinsurance and the stock market and interest rates on FIAs	56		14		83
Other annuity benefits, net	$	107	$	68	$	132

As discussed under “Annuity Benefits Accumulated” in Note A — “Accounting Policies” to the financial statements, guaranteed withdrawal benefit reserves are accrued for and modified using assumptions similar to those used in establishing and amortizing deferred policy acquisition costs. In addition, the guaranteed withdrawal benefit reserve

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related to FIAs can be inversely impacted by the calculated FIA embedded derivative reserve as the value to policyholders of the guaranteed withdrawal benefits decreases when the benefit of stock market participation increases. As shown in the table above, the impact of reinsurance and changes in the stock market and interest rates on FIAs increased AFG’s guaranteed withdrawal benefit reserve by $56 million in 2020 compared to $14 million in 2019. This $42 million (300%) increase was the primary cause of the $39 million overall increase in other annuity benefits, net of guaranteed withdrawal fees in 2020 compared to 2019.

The change in the stock market and interest rates increased AFG’s guaranteed withdrawal benefit reserve by $14 million in 2019 compared to $83 million 2018. This $69 million (83%) decrease was the primary cause of the $64 million overall decrease in other annuity benefits, net of guaranteed withdrawal benefit fees in 2019 compared to 2018.

See “Annuity Unlocking” below for a discussion of the impact that the unlocking of actuarial assumptions had on annuity benefits expense.

Annuity Net Interest Spread

AFG’s net interest spread decreased 0.24 percentage points to 1.74% from 1.98% in 2020 compared to 2019 due primarily to the negative impact of lower earnings from partnerships and similar investments and AFG-managed CLOs in 2020 and lower investment yields. 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, AFG expects its net interest spread to narrow in the future.

AFG’s net interest spread decreased 0.11 percentage points to 1.98% in 2019 from 2.09% in 2018 due primarily to higher renewal option costs and lower investment yields.

Annuity Policy Charges and Other Miscellaneous Income

Excluding the $5 million unlocking charge in 2020 and the $1 million favorable impact of unlocking in 2019 related to unearned revenue, annuity policy charges and other miscellaneous income, which consist primarily of surrender charges, amortization of deferred upfront policy charges (unearned revenue) and equity index call option proceeds received at maturity that are not passed to policyholders through index credits due to surrenders, were $67 million in 2020 compared to $52 million in 2019, an increase of $15 million (29%), reflecting higher gains on equity index call options in excess of policyholder index credits. Excluding the impact of unlocking charges related to unearned revenue, annuity policy charges and other miscellaneous income as a percentage of average fixed annuity benefits accumulated increased 0.03 percentage points to 0.14% in 2020 from 0.11% in 2019.

Excluding the $1 million favorable impact of unlocking in 2019 and $1 million unlocking charge in 2018 related to unearned revenue, annuity policy charges and other miscellaneous income were $52 million in 2019 compared to $60 million in 2018, a decrease of $8 million (13%). Excluding the impact of unlocking charges related to unearned revenue, annuity policy charges and other miscellaneous income as a percentage of average fixed annuity benefits accumulated decreased 0.04 percentage points to 0.11% in 2019 from 0.15% in 2018.

See “Annuity Unlocking” below for a discussion of the impact that the unlocking of actuarial assumptions had on annuity policy charges and other miscellaneous income.

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Annuity Acquisition Expenses

In addition to the impact of unlocking, the following table illustrates the acceleration/deceleration of the amortization of deferred policy acquisition costs (“DPAC”) resulting from reinsurance and changes in the fair value of derivatives related to FIAs and other impacts of changes in the stock market and interest rates on the accounting for FIAs over or under option costs (in millions):

	Year ended December 31,
	2020		2019		2018
Annuity acquisition expenses excluding the impact of reinsurance, unlocking and changes in the fair value of derivatives related to FIAs and other impacts of the stock market and interest rates	$	265	$	256	$	242
Reinsurance	5		—		—
Unlocking	118		76		(29)
Impact of changes in the fair value of derivatives and other impacts of the stock market and interest rates:
Included in core	—		(34)		42
Annuity non-core earnings (losses) - excluding reinsurance	(86)		(50)		—
Annuity acquisition expenses	$	302	$	248	$	255

Annuity acquisition expenses excluding reinsurance, unlocking and the acceleration/deceleration of the amortization resulting from changes in the fair value of derivatives related to FIAs and other impacts of changes in the stock market and interest rates on the accounting for FIAs over or under option costs were $265 million for 2020 compared to $256 million for 2019, an increase of $9 million (4%), reflecting growth in the year-over-year average of fixed annuity benefits accumulated.

Annuity acquisitions expenses excluding unlocking and the acceleration/deceleration of the amortization resulting from changes in the fair value of derivatives related to FIAs and other impacts of changes in the stock market and interest rates on the accounting for FIAs over or under option costs were $256 million for 2019 compared to $242 million for 2018, an increase of $14 million (6%), reflecting growth in the annuity business.

See “Annuity Unlocking” below for a discussion of the impact that the unlocking of actuarial assumptions had on annuity and supplemental insurance acquisition expenses. Unanticipated spread compression, decreases in the stock market, adverse mortality experience, and higher than expected lapse rates could lead to future write-offs of DPAC or present value of future profits on business in force of companies acquired (“PVFP”).

The negative impact of significantly lower than anticipated interest rates during both 2020 and 2019 on the fair value of derivatives and other liabilities related to FIAs and the negative impact of reinsurance in the fourth quarter of 2020 resulted in a deceleration of the amortization of DPAC. In contrast, the positive impact of higher than anticipated interest rates during 2018 on the fair value of derivatives and other liabilities related to FIAs resulted in a partially offsetting acceleration of the amortization of DPAC.

The table below illustrates the impact of reinsurance, unlocking and the estimated impact of changes in the fair value of derivatives related to fixed-indexed annuities and other impacts of changes in the stock market and interest rates on FIAs on annuity acquisition expenses as a percentage of average fixed annuity benefits accumulated:

	Year ended December 31,
	2020		2019		2018
Excluding reinsurance, unlocking, the impact of changes in the fair value of derivatives related to FIAs and other impacts of the stock market and interest rates	0.66	%	0.66	%	0.67	%
Reinsurance	0.01	%	—	%	—	%
Unlocking	0.30	%	0.20	%	(0.08	%)
Impact of changes in fair value of derivatives and other impacts of the stock market and interest rates	(0.22	%)	(0.23	%)	0.12	%
Annuity acquisition expenses as a % of fixed annuity benefits accumulated	0.75	%	0.63	%	0.71	%

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Annuity Other Expenses

Annuity other expenses were $126 million in 2020 compared to $139 million in 2019, a decrease of $13 million (9%) reflecting expense reimbursement related to reinsurance and lower expenses due to the COVID-19 pandemic. Annuity other expenses were $139 million in 2019 compared to $131 million in 2018, an increase of $8 million (6%) reflecting growth in the annuity business. 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 0.04 percentage points to 0.31% in 2020 from 0.35% in 2019 and decreased 0.02 percentage points in 2019 from 0.37% in 2018.

Change in Fair Value of Derivatives Related to Fixed-Indexed (Including Variable-Indexed) Annuities and Other Impacts of Changes in the Stock Market and Interest Rates on FIAs

AFG’s fixed-indexed (including variable-indexed) annuities provide policyholders with a crediting rate tied, in part, to the performance of an existing stock market or other financial index. AFG attempts to mitigate the risk in the index-based component of these products through the purchase and sale of call and put options on the appropriate index. AFG’s strategy is designed so that the net change in the fair value of the call option assets and put option liabilities will generally offset the economic change in the net liability from the index participation. Both the index-based component of the annuities (an embedded derivative) and the related call and put options are considered derivatives that must be adjusted for changes in fair value 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 embedded derivative component of AFG’s annuity benefits accumulated, see Note D — “Fair Value Measurements” to the financial statements. Fluctuations in certain of these factors, such as changes in interest rates and the performance of the stock market, are not economic in nature for the current reporting period, but rather impact the timing of reported results.

As discussed above under “Other Annuity Benefits, Net of Guaranteed Withdrawal Benefit Fees” and “Annuity Acquisition Expenses,” the periodic accounting for DPAC and guaranteed withdrawal benefits related to FIAs is also impacted by changes in the stock market and interest rates. These impacts may be temporary in nature and not necessarily indicative of the long-term performance of the FIA business. The table below highlights the impact of reinsurance and changes in the fair value of derivatives related to FIAs and the other impacts of the stock market and interest rates (excluding the impact of unlocking) over or under the cost of the equity index options (discussed above) on earnings before income taxes for the annuity segment (dollars in millions):

	Year ended December 31,						% Change
	2020		2019		2018		2020 - 2019		2019 - 2018
Excluding reinsurance:
Change in the fair value of derivatives related to FIAs	$	(279)	$	(294)	$	(51)	(5	%)	476	%
Accretion of guaranteed minimum FIA benefits	(404)		(408)		(347)		(1	%)	18	%
Other annuity benefits	(60)		(14)		(83)		329	%	(83	%)
Less cost of equity options	562		586		506		(4	%)	16	%
Related impact on the amortization of DPAC	86		84		(42)		2	%	(300	%)
Reinsurance	(47)		—		—		—	%	—	%
Impact on annuity segment earnings before income taxes	$	(142)	$	(46)	$	(17)	209	%	171	%

During 2020, the negative impact of significantly lower than anticipated interest rates and the amortization of the deferred loss related to the annuity block reinsurance agreement entered into in the fourth quarter of 2020 and other reinsurance impacts reduced the annuity segment’s earnings before income taxes (excluding unlocking) by $142 million compared to the $46 million negative impact of the stock market and interest rates (excluding unlocking) on annuity earnings before income taxes for 2019, an increase of $96 million (209%). In 2019, the negative impact of significantly lower than anticipated interest rates was partially offset by the positive impact of strong stock market performance. In 2018, the positive impact of higher than expected interest rates was more than offset by higher interest on the embedded derivative, the negative impact of higher than expected option costs and significantly lower stock market performance. As a percentage of average fixed annuity benefits accumulated, the impact of reinsurance and changes in the fair value of derivatives related to FIAs and other impacts of changes in the stock market and interest rates on the accounting for FIAs over or under the cost of the equity index options purchased to mitigate the risk in the indexed-based component of those FIAs in 2020 was a net expense (excluding unlocking) of 0.36%, 0.12% and 0.04% in 2020, 2019 and 2018, respectively.

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The following table provides analysis of the primary factors impacting the change in the fair value of derivatives related to FIAs and the other impacts of the stock market and interest rates (excluding the impact of unlocking) on the accounting for FIAs over or under the cost of the equity index options discussed above on a net of reinsurance basis. Each factor is presented net of the estimated related impact on amortization of DPAC (dollars in millions).

	Year ended December 31,						% Change
	2020		2019		2018		2020 - 2019		2019 - 2018
Excluding reinsurance:
Changes in the stock market, including volatility	$	13	$	68	$	(29)	(81	%)	(334	%)
Changes in interest rates higher (lower) than expected	(100)		(117)		33		(15	%)	(455	%)
Other	(8)		3		(21)		(367	%)	(114	%)
Impact on annuity segment earnings before income taxes, excluding reinsurance	(95)		(46)		(17)		107	%	171	%
Reinsurance (*)	(47)		—		—		—	%	—	%
Impact on annuity segment earnings before income taxes	$	(142)	$	(46)	$	(17)	209	%	171	%

(*)    The $47 million loss from the impact of reinsurance reflects the amortization of the deferred loss from the annuity block reinsurance transaction entered into in the fourth quarter of 2020, impacts of changes in the stock market and interest rates on the accounting for FIAs and higher index credits paid to Commonwealth compared to the option cost reimbursements received from Commonwealth.

See “Annuity Unlocking” below for a discussion of the impact that the unlocking of actuarial assumptions had on the change in the fair value of the embedded derivative and other annuity liabilities.

Annuity Net Spread Earned on Fixed Annuities

AFG’s net spread earned on fixed annuities excluding the impact of reinsurance, unlocking, changes in the fair value of derivatives related to FIAs and other impacts of changes in the stock market and interest rates over or under option costs decreased 0.17 percentage points to 0.91% in 2020 from 1.08% in 2019 due primarily to the 0.24 percentage points decrease in AFG’s net interest spread discussed above. AFG’s overall net spread earned on fixed annuities decreased 0.53 percentage points to 0.43% in 2020 from 0.96% in 2019 due to the decrease in AFG’s net interest spread, the impact of reinsurance and changes in the fair value of derivatives and other impacts of the stock market and interest rates on the accounting for FIAs discussed above and the impact of unlocking discussed below under “Annuity Unlocking.”

AFG’s net spread earned on fixed annuities excluding the impact of unlocking, changes in the fair value of derivatives related to FIAs and other impacts of changes in the stock market and interest rates over or under option costs decreased 0.12 percentage points to 1.08% in 2019 from 1.20% in 2018 due primarily to the 0.11 percentage point decrease in AFG’s net interest spread discussed above. AFG’s overall net spread earned on fixed annuities decreased 0.11 percentage points to 0.96% in 2019 from 1.07% in 2018 due to the decrease in AFG’s net interest spread, the impact of changes in the fair value of derivatives and other impacts of the stock market and interest rates on the accounting for FIAs discussed above, partially offset by the impact of the unlocking of actuarial assumptions discussed below under “Annuity Unlocking.”

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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 2020, 2019 and 2018 (in millions):

	Year ended December 31,
	2020		2019		2018
Beginning fixed annuity reserves	$	40,018	$	36,431	$	33,005
Fixed annuity premiums (receipts)	4,070		4,939		5,382
Federal Home Loan Bank advances, net	35		—		225
Surrenders, benefits and other withdrawals	(3,464)		(3,260)		(2,836)
Interest and other annuity benefit expenses:
Cost of funds	961		982		863
Embedded derivative mark-to-market	523		1,100		(248)
Change in other benefit reserves	1		(99)		(19)
Unlocking	(73)		(75)		59
Ending fixed annuity reserves	$	42,071	$	40,018	$	36,431
Reconciliation to annuity benefits accumulated per balance sheet:
Ending fixed annuity reserves (from above)	$	42,071	$	40,018	$	36,431
Impact of unrealized investment gains	338		225		10
Fixed component of variable annuities	164		163		175
Annuity benefits accumulated per balance sheet	$	42,573	$	40,406	$	36,616

Statutory Annuity Premiums

AFG’s annuity operations generated gross statutory premiums of $4.09 billion in 2020, $4.96 billion in 2019 and $5.41 billion in 2018, a decrease of $873 million (18%) in 2020 compared to 2019 and a decrease of $447 million (8%) in 2019 compared to 2018. The following table summarizes AFG’s annuity sales (dollars in millions):

	Year ended December 31,						% Change
	2020		2019		2018		2020 - 2019		2019 - 2018
Financial institutions single premium annuities — indexed	$	1,372	$	1,537	$	1,776	(11	%)	(13	%)
Financial institutions single premium annuities — fixed	896		1,229		492		(27	%)	150	%
Retail single premium annuities — indexed	591		943		1,418		(37	%)	(33	%)
Retail single premium annuities — fixed	99		120		87		(18	%)	38	%
Broker dealer single premium annuities — indexed	457		657		1,271		(30	%)	(48	%)
Broker dealer single premium annuities — fixed	27		32		14		(16	%)	129	%
Pension risk transfer	499		257		132		94	%	95	%
Education market — fixed and indexed annuities	129		164		192		(21	%)	(15	%)
Total fixed annuity premiums	4,070		4,939		5,382		(18	%)	(8	%)
Variable annuities	17		21		25		(19	%)	(16	%)
Total gross annuity premiums	4,087		4,960		5,407		(18	%)	(8	%)
Ceded premiums	(492)		—		—		—	%	—	%
Total net annuity premiums	$	3,595	$	4,960	$	5,407	(28	%)	(8	%)

Management attributes the 18% decrease in gross annuity premiums in 2020 compared to 2019 to the lower market interest rate environment. In response to the continued drop in market interest rates during 2019 and 2020, AFG lowered crediting rates on several products, which has slowed annuity sales compared to 2019 and 2018 levels. In addition, many of the restrictions from the COVID-19 pandemic impact the ability of agents to conduct business in the same manner as usual.

Management attributes the 8% decrease in annuity premiums in 2019 compared to 2018 to the lower market interest rate environment.

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Annuity Unlocking

AFG monitors the major actuarial assumptions underlying its annuity operations throughout the year and conducts detailed reviews (“unlocking”) of its assumptions annually. Beginning with the third quarter of 2019, AFG moved its unlocking from the fourth quarter to the third quarter and expects to continue to conduct the annual review in the third quarter of each year (consistent with many of its peers). If changes in the economic environment or actual experience would cause material revisions to future estimates, these assumptions are updated (unlocked) in an interim period.

The unlocking of the major actuarial assumptions underlying AFG’s annuity operations resulted in net charges related to its annuity business of $46 million, $1 million and $31 million in 2020, 2019 and 2018, respectively, which impacted AFG’s financial statements as follows (in millions):

	Year ended December 31,
	2020		2019		2018
Policy charges and other miscellaneous income:
Unearned revenue	$	(5)	$	1	$	(1)
Total revenues	(5)		1		(1)
Annuity benefits:
Fixed-indexed annuities embedded derivative	(240)		(181)		44
Guaranteed withdrawal benefit reserve	107		102		10
Other reserves	60		4		5
Sales inducements asset	(4)		1		—
Total annuity benefits	(77)		(74)		59
Annuity and supplemental insurance acquisition expenses:
Deferred policy acquisition costs	118		76		(29)
Total costs and expenses	41		2		30
Net charge	$	(46)	$	(1)	$	(31)

The net charge from unlocking annuity assumptions in 2020 is due primarily to the unfavorable impact related to lower expected future investment income resulting from a decrease to the long-term interest rate assumptions and the unfavorable impact related to changes in assumed persistency outside the surrender period on policies without guaranteed withdrawal benefits, partially offset by the favorable impact of lowering projected FIA option costs, including anticipated renewal rate actions. For the 2020 unlocking, reinvestment rate assumptions are based primarily on the expectation that the 7-year U.S. Treasury rate will increase to 2.45% and the 10-year U.S. Treasury rate will increase to 2.75% over time. For the unlocking in the third quarter of 2020, AFG assumed a net reinvestment rate (net of default and expense assumptions) of 3.08% in 2021, grading up ratably to an ultimate net reinvestment rate of 4.58% in 2031 and beyond.

The net charge from unlocking annuity assumptions in 2019 is due primarily to the unfavorable impacts of a decrease in projected net interest spreads on in force business (due primarily to lower than previously anticipated reinvestment rates and the impact of lower than previously anticipated interest rates on floating rate investments) and higher assumed persistency in certain blocks of business, offset by lowering projected FIA option costs, including anticipated renewal rate actions.

In addition to the $4 million net charge from the periodic review of annuity assumptions in the fourth quarter of 2018, AFG recorded a $27 million net unlocking charge in the second quarter of 2018 due primarily to the unfavorable impact of higher projected option costs, partially offset by the favorable impact of an increase in projected net interest spreads on in force business (due primarily to higher than previously anticipated reinvestment rates).

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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 2020, 2019 and 2018 (in millions):

	Year ended December 31,
	2020		2019		2018
Earnings on fixed annuity benefits accumulated	$	169	$	367	$	370
Earnings impact of investments in excess of fixed annuity benefits accumulated (*)	(3)		(10)		(11)
Variable annuity earnings	5		5		2
Earnings before income taxes	$	171	$	362	$	361

(*)Net investment income (as a % of investments) of 4.31%, 4.67% and 4.73% in 2020, 2019 and 2018, respectively, multiplied by the difference between average fixed annuity investments (at amortized cost) and average fixed annuity benefits accumulated in each period.

Holding Company, Other and Unallocated — Results of Operations

AFG’s net GAAP pretax loss outside of its property and casualty insurance and annuity segments (excluding realized gains and losses) totaled $219 million in 2020 compared to $190 million in 2019, an increase of $29 million (15%). AFG’s net core pretax loss outside of its property and casualty insurance and annuity segments (excluding realized gains and losses) totaled $189 million in 2020 compared to $174 million in 2019, an increase of $15 million (9%).

AFG’s net GAAP pretax loss outside of its property and casualty insurance and annuity segments (excluding realized gains and losses) totaled $190 million in 2019 compared to $165 million in 2018, an increase of $25 million (15%). AFG’s net core pretax loss outside of its property and casualty insurance and annuity segments (excluding realized gains and losses) totaled $174 million in 2019 compared to $156 million in 2018, an increase of $18 million (12%).

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The following table details AFG’s GAAP and core loss before income taxes from operations outside of its property and casualty insurance and annuity segments in 2020, 2019 and 2018 (dollars in millions):

	Year ended December 31,						% Change
	2020		2019		2018		2020 - 2019		2019 - 2018
Revenues:
Life, accident and health net earned premiums	$	19	$	22	$	24	(14	%)	(8	%)
Net investment income	32		43		25		(26	%)	72	%
Other income — P&C fees	67		69		69		(3	%)	—	%
Reclassify annuity segment option gains	(33)		(12)		(18)		175	%	(33	%)
Other income	27		28		29		(4	%)	(3	%)
Total revenues	112		150		129		(25	%)	16	%
Costs and Expenses:
Property and casualty insurance — commissions and other underwriting expenses	21		23		23		(9	%)	—	%
Annuity - annuity benefits	(33)		(12)		(18)		175	%	(33	%)
Life, accident and health benefits (a)	40		36		40		11	%	(10	%)
Life, accident and health acquisition expenses	4		5		6		(20	%)	(17	%)
Other expense — expenses associated with P&C fees	46		46		46		—	%	—	%
Other expenses (b)	135		158		126		(15	%)	25	%
Costs and expenses, excluding interest charges on borrowed money	213		256		223		(17	%)	15	%
Core loss before income taxes, excluding realized gains and losses and interest charges on borrowed money	(101)		(106)		(94)		(5	%)	13	%
Interest charges on borrowed money	88		68		62		29	%	10	%
Core loss before income taxes, excluding realized gains and losses	(189)		(174)		(156)		9	%	12	%
Pretax non-core special A&E charges	(21)		(11)		(9)		91	%	22	%
Pretax non-core loss on retirement of debt	(5)		(5)		—		—	%	—	%
Pretax non-core long-term care loss recognition charge	(4)		—		—		—	%	—	%
GAAP loss before income taxes, excluding realized gains and losses	$	(219)	$	(190)	$	(165)	15	%	15	%

(a)Excludes pretax non-core long-term care loss recognition charge of $4 million in 2020.

(b)Excludes pretax non-core special A&E charges of $21 million, $11 million and $9 million in 2020, 2019 and 2018, respectively, and a pretax non-core loss on retirement of debt of $5 million in both 2020 and 2019.

Holding Company and Other — Life, Accident and Health Premiums, Benefits and Acquisition Expenses

AFG’s run-off long-term care and life insurance operations recorded net earned premiums of $19 million and related benefits and acquisition expenses of $44 million in 2020 (excluding the loss recognition charge described below) compared to net earned premiums of $22 million and related benefits and acquisition expenses of $41 million in 2019. The $4 million (11%) increase in life, accident and health benefits reflects lower policyholder lapses in the run-off life insurance business in 2020 compared to 2019.

AFG’s run-off long-term care and life insurance operations recorded net earned premiums of $22 million and related benefits and acquisition expenses of $41 million in 2019 compared to net earned premiums of $24 million and related benefits and acquisition expenses of $46 million in 2018. The $4 million (10%) decrease in life, accident and health benefits reflects lower claims in both the run-off life and run-off long-term care insurance businesses in 2019 compared to 2018.

Holding Company and Other — Net Investment Income

AFG recorded net investment income on investments held outside of its property and casualty insurance and annuity segments of $32 million, $43 million and $25 million in 2020, 2019 and 2018, respectively. The $11 million (26%) decrease in 2020 compared to 2019 and the $18 million (72%) increase in 2019 compared to 2018 is due primarily to the impact of the stock market performance on a small portfolio of securities that are carried at fair value through net investment

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income. These securities increased in value by $5 million and $13 million in 2020 and 2019, respectively, and decreased in value by $4 million in 2018.

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

Summit, a workers’ compensation insurance subsidiary, 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 insurance businesses collect fees from customers for ancillary services such as workplace safety programs and premium financing. In 2020, AFG collected $67 million in fees for these services compared to $69 million in both 2019 and 2018. Management views this fee income, net of the $46 million in 2020, 2019 and 2018, 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.

Holding Company and Other — Annuity Segment Option Gains

As discussed under “Annuity Segment — Results of Operations,” AFG purchases and sells equity index options to mitigate the risk in the index-based component of its FIAs. In evaluating the performance of the annuity business, management views the cost of the equity options as a better measurement of the true expenses of the annuity segment as compared to the GAAP accounting for these options as derivatives because any proceeds at expiration from the options generally are passed to policyholders through index credits. On occasion, policyholders surrender their annuity prior to receiving the index credit, which results in any option exercise proceeds being retained by AFG. For internal management reporting, AFG views these “option gains” as miscellaneous (other) income rather than as a component of annuity benefits expense. Consistent with internal management reporting, these option gains are reclassified from annuity benefits to other income in AFG’s segmented results. In 2020, 2019 and 2018, AFG had $33 million, $12 million and $18 million, respectively, in such option gains.

Holding Company and Other — Other Income

Other income in the table above includes $15 million in both 2020 and 2019 and $16 million in 2018, in management fees paid to AFG by the AFG-managed CLOs (AFG’s consolidated managed investment entities). The management fees are eliminated in consolidation — see the other income line in the Consolidated MIEs column under “Results of Operations — Segmented Statement of Earnings.” Excluding amounts eliminated in consolidation, AFG recorded other income outside of its property and casualty insurance and annuity segments of $12 million in 2020 and $13 million in both 2019 and 2018.

Holding Company and Other — Other Expenses

Excluding the non-core special A&E charges, the non-core loss on retirement of debt and the non-core run-off long-term care loss recognition charge discussed below, AFG’s holding companies and other operations outside of its property and casualty insurance and annuity segments recorded other expenses of $135 million in 2020 compared to $158 million in 2019, a decrease of $23 million (15%). This decrease reflects lower holding company expenses related to employee benefit plans that are tied to stock market performance and lower expenses associated with certain incentive compensation plans in 2020 compared to 2019.

Excluding the non-core special A&E charges and the non-core loss on retirement of debt discussed below, AFG’s holding companies and other operations outside of its property and casualty insurance and annuity segments recorded other expenses of $158 million in 2019 compared to $126 million in 2018, an increase of $32 million (25%). This increase reflects a $3 million charitable donation in 2019 and higher holding company expenses related to employee benefit plans that are tied to stock market performance in 2019 compared to 2018, partially offset by a $5 million charge to increase liabilities related to the environmental exposures of AFG’s former railroad and manufacturing operations in 2018.

Holding Company and Other — Interest Charges on Borrowed Money

AFG’s holding companies and other operations outside of its property and casualty insurance and annuity segments recorded interest expense of $88 million in 2020, $68 million in 2019 and $62 million in 2018. The $20 million (29%) increase in interest expense in 2020 compared to 2019 and the $6 million (10%) increase in interest expense in 2019

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compared to 2018 reflect higher average indebtedness. The following table details the principal amount of AFG’s long-term debt balances as of December 31, 2020, December 31, 2019 and December 31, 2018 (dollars in millions):

	December 31, 2020			December 31, 2019			December 31, 2018
Direct obligations of AFG:
4.50% Senior Notes due June 2047	$	590		$	590		$	590
3.50% Senior Notes due August 2026	425			425			425
5.25% Senior Notes due April 2030	300			—			—
5.125% Subordinated Debentures due December 2059	200			200			—
4.50% Subordinated Debentures due September 2060	200			—			—
6% Subordinated Debentures due November 2055	—			150			150
5.625% Subordinated Debentures due June 2060	150			—			—
5.875% Subordinated Debentures due March 2059	125			125			—
6-1/4% Subordinated Debentures due September 2054	—			—			150
Other	3			3			3
Total principal amount of Holding Company Debt	$	1,993		$	1,493		$	1,318
Weighted Average Interest Rate	4.6		%	4.6		%	4.6		%

The increase in interest expense in 2020 compared to 2019 and in 2019 compared to 2018 reflect the following financing transactions completed by AFG between January 1, 2018 and December 31, 2020:

•Issued $125 million of 5.875% Subordinated Debentures in March 2019

•Issued $200 million of 5.125% Subordinated Debentures in December 2019

•Redeemed $150 million of 6-1/4% Subordinated Debentures in December 2019

•Issued $300 million of 5.25% Senior Notes in April 2020

•Issued $150 million of 5.625% Subordinated Debentures in May 2020

•Issued $200 million of 4.50% Subordinated Debentures in September 2020

•Redeemed $150 million of 6% Subordinated Debentures in November 2020

Holding Company and Other — Special A&E Charges

As a result of the comprehensive external study and in-depth internal reviews of A&E exposures discussed under “Uncertainties — Asbestos and Environmental-related (“A&E”) Insurance Reserves,” AFG’s holding companies and other operations outside of its property and casualty insurance and annuity segments recorded pretax non-core special charges of $21 million in 2020, $11 million in 2019 and $9 million in 2018 to increase liabilities related to the A&E exposures of AFG’s former railroad and manufacturing operations. The charges in 2020, 2019 and 2018 are due to relatively small movements across several sites that primarily reflect changes in the scope and costs of investigation and an increase in estimated ongoing operation and maintenance costs. AFG has also increased its reserve for asbestos and toxic substance exposures arising out of these operations. Total charges recorded to increase liabilities for A&E exposures of AFG’s former railroad and manufacturing operations (included in other expenses) were $28 million in 2020, $19 million in 2019 and $21 million in 2018.

Holding Company and Other — Loss on Retirement of Debt

In November 2020, AFG redeemed its $150 million outstanding principal amount of 6% Subordinated Debentures due in 2055 and wrote off unamortized debt issuance costs of $5 million. In December 2019, AFG redeemed its $150 million outstanding principal amount of 6-1/4% Subordinated Debentures due in 2054 at par value and wrote off unamortized debt issuance costs of $5 million.

Holding Company and Other — Long-Term Care Loss Recognition Charge

The $4 million pretax loss recognition charge in 2020 was due primarily to the unfavorable impact related to lower expected future investment income resulting from a decrease in the long-term interest rate assumptions.

Consolidated Realized Gains (Losses) on Securities

AFG’s consolidated realized gains (losses) on securities were net gains of $289 million in 2020 compared to $287 million in 2019, an increase of $2 million (1%). AFG’s consolidated realized gains (losses) on securities were net gains of $287 million in 2019 compared to net losses of $266 million in 2018, a change of $553 million (208%). Realized gains (losses) on securities consisted of the following (in millions):

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	Year ended December 31,
	2020		2019		2018
Realized gains (losses) before impairments:
Disposals	$	475	$	19	$	9
Change in the fair value of equity securities	(96)		278		(262)
Change in the fair value of derivatives	(3)		9		(5)
Adjustments to annuity deferred policy acquisition costs and related items	(52)		—		11
	324		306		(247)
Change in allowance and impairments:
Securities	(46)		(29)		(26)
Adjustments to annuity deferred policy acquisition costs and related items	11		10		7
	(35)		(19)		(19)
Realized gains (losses) on securities	$	289	$	287	$	(266)

The $475 million net realized gains from disposals in 2020 includes gains of $415 million on investments disposed of in AFG’s 2020 annuity block reinsurance transaction. See Note P — “Insurance” to the financial statements. The $96 million net realized loss from the change in the fair value of equity securities in 2020 includes losses of $57 million on investments in natural gas companies, $25 million on investments in energy companies, $19 million on investments in banks and financing companies, $18 million on real estate investment trusts and $17 million on investments in media companies. These losses were partially offset by gains of $17 million on investments in healthcare companies and $16 million on investments in technology companies. The $46 million of impairment allowance expense in 2020 includes $21 million in charges related to other structured securities, $13 million in charges related to third-party collateralized loan obligations and $12 million in charges related to corporate bonds and other fixed maturities.

The $278 million net realized gain from the change in the fair value of equity securities in 2019 includes gains of $97 million on investments in banks and financing companies, $36 million from investments in media companies, $32 million from investments in technology companies, $21 million on investments in asset management companies and $21 million on insurance companies. AFG’s impairment charges in 2019 include $17 million in charges on third-party collateralized loan obligations and $11 million on corporate bonds.

The $262 million net realized loss from the change in the fair value of equity securities in 2018 includes losses of $92 million on banks and financing companies, $31 million on real estate investment trusts, $30 million on energy exploration and production companies and $27 million on asset management companies. AFG’s impairment charges on securities in 2018 all relate to fixed maturities. Approximately $19 million of impairment charges were taken on corporate bonds and $6 million were taken on residential MBS.

Consolidated Realized Gains (Losses) on Subsidiaries

In the third quarter of 2020, AFG reached a definitive agreement to sell GAI Holding Bermuda and its subsidiaries, comprising the legal entities that own Neon, to RiverStone Holdings Limited. The transaction closed in the fourth quarter of 2020. AFG recorded $111 million in non-core losses related to the runoff of the Neon business in 2020, which included a $23 million gain on the sale of the business. In conjunction with the sale, AFG recognized a tax benefit of $72 million, resulting in an overall net non-core, after-tax loss of $39 million from the Neon exited lines in 2020. See Note B — “Acquisitions and Sale of Businesses” to the financial statements.

Consolidated Income Taxes

AFG’s consolidated provision for income taxes was $127 million in 2020 compared to $239 million in 2019, a decrease of $112 million (47%). AFG’s consolidated provision for income taxes was $239 million in 2019 compared to $122 million in 2018, an increase of $117 million (96%). See Note M — “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 a net loss of $11 million in 2020 compared to $28 million in 2019, a decrease of $17 million (61%). AFG’s consolidated net earnings (loss) attributable to noncontrolling interests was a net loss of $28 million in 2019 compared to $13 million in 2018, an increase of $15 million (115%). Each period reflects losses at Neon, AFG’s United-Kingdom-based Lloyd’s insurer, which was sold on December 31, 2020. See Note B — “Acquisitions and Sale of Businesses” to the financial statements.

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Net losses attributable to noncontrolling interests in 2019 includes $18 million related to the $76 million non-core charge for costs associated with AFG’s plans to exit the Lloyd’s of London insurance market in 2020. See “Neon exited lines” under “Property and Casualty Insurance Segment — Results of Operations” for the quarters ended December 31, 2020 and 2019.

RECENTLY ADOPTED ACCOUNTING STANDARDS

See Note A — “Accounting Policies — Credit Losses on Financial Instruments” to the financial statements for a discussion of accounting guidance adopted on January 1, 2020, which provides a new credit loss model for determining credit-related impairments for financial instruments measured at amortized cost (mortgage loans, premiums receivable and reinsurance recoverables) and requires an entity to estimate the credit losses expected over the life of an exposure or pool of exposures.

See Note A — “Accounting Policies — Leases” and Note K — “Leases” to the financial statements for a discussion of accounting guidance adopted on January 1, 2019, which requires entities that lease assets for terms longer than one year to recognize the assets and liabilities for the rights and obligations created by those leases on the balance sheet based on the present value of cash flows.

See Note A — “Accounting Policies — Investments” to the financial statements for a discussion of accounting guidance adopted on January 1, 2018, which, among other things, requires equity investments that are not accounted for under the equity method of accounting to be measured at fair value with changes in fair value recognized in net earnings.

ACCOUNTING STANDARDS TO BE ADOPTED

In August 2018, the FASB issued ASU 2018-12, Financial Services – Insurance: Targeted Improvements to the Accounting for Long-Duration Contracts, which changes the assumptions used to measure the liability for future policy benefits for traditional and limited pay contracts (e.g. life, accident and health benefits) from being locked in at inception to being updated at least annually and standardizes the liability discount rate to be used and updated each reporting period, requires the measurement of market risk benefits associated with deposit contracts (e.g. annuities) to be recorded at fair value, simplifies the amortization of deferred policy acquisition costs to a constant level basis over the expected life of the related contracts and requires enhanced disclosures. AFG will be required to adopt this guidance effective January 1, 2023. See Note R — “Subsequent Event” to the financial statements regarding AFG’s definitive agreement to sell its annuity business (which includes AFG’s annuities and limited pay contracts) to Massachusetts Mutual Life Insurance Company, which is expected to close in the second quarter of 2021.

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Item 7A. Quantitative and Qualitative Disclosures about Market Risk

Market risk represents the potential economic loss arising from adverse changes in the fair value of financial instruments. AFG’s exposures to market risk relate primarily to its investment portfolio and annuity contracts, which are exposed to interest rate risk and, to a lesser extent, equity price risk. To a much lesser extent, AFG’s long-term debt is also exposed to interest rate risk.

Fixed Maturity Portfolio   In general, the fair value of AFG’s fixed maturity investments is inversely correlated to changes in interest rates. AFG’s fixed maturity portfolio is comprised of primarily fixed-rate investments with intermediate-term maturities. This practice is designed to allow flexibility in reacting to fluctuations of interest rates. The portfolios of AFG’s insurance operations are managed with an attempt to achieve an adequate risk-adjusted return while maintaining sufficient liquidity to meet policyholder obligations. AFG’s annuity and run-off long-term care and life operations attempt to align the duration of their invested assets to the projected cash flows of policyholder liabilities.

Consistent with the discussion in Item 7 — Management’s Discussion and Analysis — “Investments,” the following table demonstrates the sensitivity of the fair value of AFG’s fixed maturity portfolio 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 December 31 (based on the duration of the portfolio, dollars in millions). Effects of increases or decreases from the 100 basis points illustrated would be approximately proportional.

	2020			2019
Fair value of fixed maturity portfolio	$	43,273		$	46,618
Percentage impact on fair value of 100 bps increase in interest rates	(3.5		%)	(4.0		%)
Pretax impact on fair value of fixed maturity portfolio	$	(1,515)		$	(1,865)
Offsetting adjustments to deferred policy acquisition costs and other balance sheet amounts	650			850
Estimated pretax impact on accumulated other comprehensive income	(865)			(1,015)
Deferred income tax	182			213
Estimated after-tax impact on accumulated other comprehensive income	$	(683)		$	(802)

At December 31, 2020 the fair value of the fixed maturity portfolio in AFG’s property and casualty group was $9.10 billion. The pretax impact on the fair value upon a 100 basis point increase in interest rates would have been a decline of approximately $273 million in fair value ($216 million after tax) at December 31, 2020.

Municipal bonds represented approximately 13% of AFG’s fixed maturity portfolio at December 31, 2020. AFG’s municipal bond portfolio is high quality, with 99% of the securities rated investment-grade at that date. The portfolio is well diversified across the states of issuance and individual issuers. At December 31, 2020, approximately 79% of the municipal bond portfolio was held in revenue bonds, with the remaining 21% held in general obligation bonds.

Long-Term Debt   The following table shows scheduled principal payments on fixed-rate long-term debt of AFG and its subsidiaries and related weighted average interest rates for each of the subsequent five years and for all years thereafter (dollars in millions):

	December 31, 2020					December 31, 2019
	Scheduled Principal Payments		Rate			Scheduled Principal Payments		Rate
2021	$	—	—	%	2020	$	—	—	%
2022	—		—	%	2021	—		—	%
2023	—		—	%	2022	—		—	%
2024	—		—	%	2023	—		—	%
2025	—		—	%	2024	—		—	%
Thereafter	1,993		4.6	%	Thereafter	1,493		4.6	%
Total	$	1,993	4.6	%	Total	$	1,493	4.6	%
Fair Value	$	2,325			Fair Value	$	1,622

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Item 8. Financial Statements and Supplementary Data

	Page
Report of Independent Registered Public Accounting Firm	F-1
Consolidated Balance Sheet as of December 31, 2020 and 2019	F-4
Consolidated Statement of Earnings for the years ended December 31, 2020, 2019 and 2018	F-5
Consolidated Statement of Comprehensive Income for the years ended December 31, 2020, 2019 and 2018	F-6
Consolidated Statement of Changes in Equity for the years ended December 31, 2020, 2019 and 2018	F-7
Consolidated Statement of Cash Flows for the years ended December 31, 2020, 2019 and 2018	F-8
Notes to Consolidated Financial Statements	F-9

Selected Quarterly Financial Data has been included in Note O to the Consolidated Financial Statements.

Item 9A. 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 fourth fiscal quarter of 2020 that materially affected, or are reasonably likely to materially affect, AFG’s internal control over financial reporting.

MANAGEMENT’S REPORT ON INTERNAL CONTROL OVER FINANCIAL REPORTING

AFG’s management is responsible for establishing and maintaining adequate internal control over financial reporting, as such term is defined in Securities Exchange Act Rules 13a-15(f). Under the supervision and with the participation of management, including AFG’s Co-Chief Executive Officers and Chief Financial Officer, AFG conducted an evaluation of the effectiveness of internal control over financial reporting as of December 31, 2020, based on the criteria set forth in “Internal Control — Integrated Framework” issued in 2013 by the Committee of Sponsoring Organizations of the Treadway Commission.

There are inherent limitations to the effectiveness of any system of internal controls and procedures, including the possibility of human error and the circumvention or overriding of the controls and procedures. Accordingly, even effective internal controls and procedures can only provide reasonable assurance of achieving their control objectives.

Based on AFG’s evaluation, management concluded that internal control over financial reporting was effective as of December 31, 2020. The attestation report of AFG’s independent registered public accounting firm on AFG’s internal control over financial reporting as of December 31, 2020, is set forth on the next page.

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REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

ON INTERNAL CONTROL OVER FINANCIAL REPORTING

To the shareholders and Board of Directors of American Financial Group, Inc. and subsidiaries

Opinion on Internal Control Over Financial Reporting

We have audited American Financial Group, Inc. and subsidiaries’ internal control over financial reporting as of December 31, 2020, based on criteria established in Internal Control — Integrated Framework issued by the Committee of Sponsoring Organizations of the Treadway Commission (2013 framework) (the “COSO criteria”). In our opinion, American Financial Group, Inc. and subsidiaries (the “Company”) maintained, in all material respects, effective internal control over financial reporting as of December 31, 2020, based on the COSO criteria.

We also have audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States) (“PCAOB”), the consolidated balance sheets of the Company as of December 31, 2020 and 2019, the related consolidated statements of earnings, comprehensive income, changes in equity and cash flows for each of the three years in the period ended December 31, 2020, and the related notes and financial statement schedules listed in the Index at Item 15(a)(2) and our report dated February 25, 2021 expressed an unqualified opinion thereon.

Basis for Opinion

The Company’s management is responsible for maintaining effective internal control over financial reporting and for its assessment of the effectiveness of internal control over financial reporting included in the accompanying Management’s Report on Internal Control Over Financial Reporting. Our responsibility is to express an opinion on the Company’s internal control over financial reporting based on our audit. We are a public accounting firm registered with the PCAOB and are required to be independent with respect to the Company in accordance with the U.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB.

We conducted our audit in accordance with the standards of the PCAOB. Those standards require that we plan and perform the audit to obtain reasonable assurance about whether effective internal control over financial reporting was maintained in all material respects.

Our audit included obtaining an understanding of internal control over financial reporting, assessing the risk that a material weakness exists, testing and evaluating the design and operating effectiveness of internal control based on the assessed risk, and performing such other procedures as we considered necessary in the circumstances. We believe that our audit provides a reasonable basis for our opinion.

Definition and Limitations of Internal Control Over Financial Reporting

A company’s internal control over financial reporting is a process designed 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. A company’s internal control over financial reporting includes those policies and procedures that (1) pertain to the maintenance of records that, in reasonable detail, accurately and fairly reflect the transactions and dispositions of the assets of the company; (2) provide reasonable assurance that transactions are recorded as necessary to permit preparation of financial statements in accordance with generally accepted accounting principles, and that receipts and expenditures of the company are being made only in accordance with authorizations of management and directors of the company; and (3) provide reasonable assurance regarding prevention or timely detection of unauthorized acquisition, use, or disposition of the company’s assets that could have a material effect on the financial statements.

Because of its inherent limitations, internal control over financial reporting may not prevent or detect misstatements. Also, projections of any evaluation of effectiveness to future periods are subject to the risk that controls may become inadequate because of changes in conditions, or that the degree of compliance with the policies or procedures may deteriorate.

/s/ ERNST & YOUNG LLP

Cincinnati, Ohio

February 25, 2021

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REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

To the shareholders and Board of Directors of American Financial Group, Inc. and subsidiaries

Opinion on the Financial Statements

We have audited the accompanying consolidated balance sheets of American Financial Group, Inc. and subsidiaries (the “Company”) as of December 31, 2020 and 2019, the related consolidated statements of earnings, comprehensive income, changes in equity and cash flows for each of the three years in the period ended December 31, 2020, and the related notes and financial statement schedules listed in the Index at Item 15(a)(2) (collectively referred to as the “consolidated financial statements”). In our opinion, the consolidated financial statements present fairly, in all material respects, the financial position of the Company at December 31, 2020 and 2019, and the results of its operations and its cash flows for each of the three years in the period ended December 31, 2020, in conformity with U.S. generally accepted accounting principles.

We also have audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States) (“PCAOB”), the Company’s internal control over financial reporting as of December 31, 2020, based on criteria established in Internal Control — Integrated Framework issued by the Committee of Sponsoring Organizations of the Treadway Commission (2013 framework) and our report dated February 25, 2021 expressed an unqualified opinion thereon.

Basis for Opinion

These financial statements are the responsibility of the Company’s management. Our responsibility is to express an opinion on the Company’s financial statements based on our audits. We are a public accounting firm registered with the PCAOB and are required to be independent with respect to the Company in accordance with the U.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB.

We conducted our audits in accordance with the standards of the PCAOB. Those standards require that we plan and perform the audit to obtain reasonable assurance about whether the financial statements are free of material misstatement, whether due to error or fraud. Our audits included performing procedures to assess the risks of material misstatement of the financial statements, whether due to error or fraud, and performing procedures that respond to those risks. Such procedures included examining, on a test basis, evidence regarding the amounts and disclosures in the financial statements. Our audits also included evaluating the accounting principles used and significant estimates made by management, as well as evaluating the overall presentation of the financial statements. We believe that our audits provide a reasonable basis for our opinion.

Critical Audit Matters

The critical audit matters communicated below are matters arising from the current period audit of the financial statements that were communicated or required to be communicated to the audit committee and that: (1) relate to accounts or disclosures that are material to the financial statements and (2) involved our especially challenging, subjective or complex judgments. The communication of critical audit matters does not alter in any way our opinion on the consolidated financial statements, taken as a whole, and we are not, by communicating the critical audit matters below, providing separate opinions on the critical audit matters or on the accounts or disclosures to which they relate.

Valuation of investments in securities

Description of the Matter

As of December 31, 2020, the fair value of the Company’s fixed-income and equity securities totaled $44.94 billion, a portion of which are valued based on non-binding broker quotes or internally developed using significant inputs not based on, or corroborated by, observable market information. The fair value of these securities are determined by management applying the methodologies outlined in Note D to the consolidated financial statements. The lack of visibility into assumptions used in non-binding broker quotes and the credit spread applied by management for internally developed fixed-income investments are significant unobservable inputs, which create greater subjectivity when determining the fair values. Credit spread inputs are developed based on management’s review of trade activity for comparable securities and credit spreads over the treasury yield of securities with a similar duration. Auditing the fair value of the fixed-income and equity securities that use unobservable inputs was complex and highly judgmental due to the judgment used by the Company in determining unobservable inputs and assumptions to estimate the securities’ fair value. Significant unobservable inputs and assumptions include non-binding broker quotes and credit spreads over the treasury yield.

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How We Addressed the Matter in Our Audit We obtained an understanding, evaluated the design, and tested the operating effectiveness of controls over management’s valuation process for the fixed-income and equity securities priced using unobservable inputs. This included, among others, testing controls over investment pricing and the development and review of significant inputs and assumptions used in determining the fair values.

To test the Company’s investment fair values, our audit procedures included, among others, comparing the fair values for a sample of securities to pricing service values or internally developed cash flow models. With the assistance of our valuation specialists, we evaluated the valuation methodologies used by the Company and compared the Company’s fair value estimate to an independently calculated range of fair value estimates for a sample of securities. We evaluated information that corroborated or contradicted the Company’s fair value estimates, including observable spreads, transaction data for similar securities, and historical collateral performance data.

Property and casualty unpaid losses and loss adjustment expenses

Description of the Matter

As of December 31, 2020, the Company’s unpaid losses and loss adjustment expenses reserve liabilities net of reinsurance recoverables, net of allowance, (“reserves”) totaled $7.28 billion as disclosed in Note P to the consolidated financial statements. This liability represents management’s best estimate of the ultimate net cost of all unpaid losses and loss adjustment expenses and is determined by using case-basis evaluations, actuarial projections, and management’s judgment. Estimating the reserves is inherently judgmental and is influenced by factors that are subject to significant variation, particularly for lines of business that develop or are paid over a long period of time or that contain exposures with high potential severities, such as workers’ compensation, other liability, and asbestos and environmental. Auditing management’s best estimate of reserves was complex because it required the involvement of our actuarial specialists due to the highly judgmental nature of the assumptions used in the evaluation process. The significant judgment was primarily due to the sensitivity of management’s best estimate to the selection and weighting of actuarial methods, loss development factors, expected loss ratios, and estimated inflation. These assumptions have a significant effect on the valuation of reserves.

How We Addressed the Matter in Our Audit We obtained an understanding, evaluated the design and tested the operating effectiveness of controls over the process for estimating reserves. This included, among others, the review and approval processes that management has in place for the methods and assumptions used in estimating the reserves.

With the assistance of actuarial specialists, our audit procedures included, among others, an evaluation of the Company’s selection and weighting of actuarial methods used with those methods used in prior periods and those used in the industry for the specific types of insurance. To evaluate the significant assumptions used by management, we compared the significant assumptions, including loss development factors, expected loss ratios, and inflation, to factors historically used and current industry benchmarks. We also performed a review of the development of prior years’ reserve estimates. With the assistance of actuarial specialists, we established an independent range of reasonable reserve estimates, which we compared to management’s best estimate.

Amortization of annuity deferred policy acquisition costs

Description of the Matter

At December 31, 2020, deferred policy acquisition costs totaled $546 million, of which $287 million related to annuity contracts. As described in Notes A and G to the consolidated financial statements, the carrying amount of the annuity deferred policy acquisition costs is the total of costs deferred less amortization that is calculated in relation to the present value of estimated gross profits of the underlying annuity policies. There is a significant amount of uncertainty inherent in calculating estimated gross profits as the calculation is sensitive to management’s best estimate of assumptions, such as future investment yields and lapse rates. Management’s assumptions are adjusted, also known as unlocking, over time for emerging experience and expected trends. The unlocking results in amortization being recalculated, using the new assumptions for estimated gross profits, that results either in additional or less cumulative amortization expense. Auditing management’s estimate of the amortization of annuity deferred policy acquisition costs was complex because it required the involvement of our actuarial specialists due to the highly judgmental nature of the assumptions used in management’s projection of estimated gross profits, which are used in the amortization of annuity deferred policy acquisition costs. The significant judgment was primarily due to the sensitivity of the estimated gross profits to the expected investment yield and lapse rate assumptions.

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How We Addressed the Matter in Our Audit We obtained an understanding, evaluated the design, and tested the operating effectiveness of controls over the process for estimating amortization of annuity deferred policy acquisition costs. This included, among others, controls over the review and approval processes that management has in place for the assumptions used in measuring estimated gross profits.

To test the amortization of deferred policy acquisition costs related to annuity contracts, our audit procedures included, among others, testing the completeness and accuracy of the data used to calculate the estimated gross profits through testing the reconciliation of the underlying data recorded in the source systems to the actuarial valuation models. With the assistance of our actuarial specialists, we evaluated the assumptions used by management in determining estimated gross profits. Also, with the assistance of our actuarial specialists, we compared significant assumptions, including expected investment yields and lapse rates, to prior actual experience and observable market data, and we evaluated management’s estimates of prospective changes in these assumptions. In addition, we performed an independent calculation of estimated and actual gross profits for a sample of product cohorts for comparison with the actuarial model used by management.

Valuation of annuity contract embedded derivatives

Description of the Matter

At December 31, 2020, the liability for annuity benefits accumulated included $3.93 billion for the embedded derivatives related to the equity participation feature of the Company’s fixed-indexed annuity products. As described in Note F to the consolidated financial statements, there is a significant amount of estimation uncertainty inherent in measuring the fair value of the embedded derivatives as it includes management’s assumptions of various factors, such as future interest rates, expected stock market performance, budgeted option costs, lapses, and annuitizations. Management’s assumptions are adjusted for emerging experience and expected trends, resulting in changes to the estimated fair value of the embedded derivatives. Auditing management’s estimate of the fair value of the embedded derivatives related to fixed-indexed annuity products was complex because it required the involvement of our actuarial specialists due to the highly judgmental nature of the assumptions used in the valuation process. The significant judgment was primarily due to the sensitivity of the budgeted option costs and lapse assumptions.

How We Addressed the Matter in Our Audit We obtained an understanding, evaluated the design, and tested the operating effectiveness of controls over the process for estimating the embedded derivatives. This included, among others, the review and approval processes that management has in place for the methods and assumptions used in the valuation process of the embedded derivatives.

To test the embedded derivatives related to fixed-indexed annuity products, our procedures included, among others, testing the completeness and accuracy of data used in the valuation process through testing the reconciliation of the underlying data recorded in the source systems to the actuarial valuation models. With the assistance of our actuarial specialists, we evaluated the methods and assumptions used by management in determining the estimated fair value of the embedded derivatives. We compared the significant assumptions, including expected budget option costs and lapses, to prior actual experience and management’s estimates of prospective changes in these assumptions. In addition, we performed an independent calculation of the embedded derivatives for a sample of policies for comparison with the fair value calculated by the actuarial model used by management.

/s/ ERNST & YOUNG LLP

We have served as the Company’s auditor since 1961.

Cincinnati, Ohio

February 25, 2021

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AMERICAN FINANCIAL GROUP, INC. AND SUBSIDIARIES

CONSOLIDATED BALANCE SHEET

(Dollars in Millions)

	December 31,
	2020		2019
Assets:
Cash and cash equivalents	$	2,810	$	2,314
Investments:
Fixed maturities, available for sale at fair value (amortized cost — $40,408 and $44,524; allowance for expected credit losses of $40 at December 31, 2020)	43,207		46,505
Fixed maturities, trading at fair value	66		113
Equity securities, at fair value	1,663		1,937
Investments accounted for using the equity method	1,881		1,688
Mortgage loans	1,623		1,329
Policy loans	151		164
Equity index call options	825		924
Real estate and other investments	276		278
Total cash and investments	52,502		55,252
Recoverables from reinsurers:
Property and casualty insurance	3,288		3,133
Fixed and indexed annuities	6,539		—
Other	265		282
Prepaid reinsurance premiums	768		678
Agents’ balances and premiums receivable	1,231		1,335
Deferred policy acquisition costs	546		1,037
Assets of managed investment entities	4,971		4,736
Other receivables	959		975
Variable annuity assets (separate accounts)	664		628
Other assets	1,626		1,867
Goodwill	207		207
Total assets	$	73,566	$	70,130
Liabilities and Equity:
Unpaid losses and loss adjustment expenses	$	10,392	$	10,232
Unearned premiums	2,803		2,830
Annuity benefits accumulated	42,573		40,406
Life, accident and health reserves	607		612
Payable to reinsurers	807		814
Liabilities of managed investment entities	4,771		4,571
Long-term debt	1,963		1,473
Variable annuity liabilities (separate accounts)	664		628
Other liabilities	2,197		2,295
Total liabilities	66,777		63,861
Redeemable noncontrolling interests	—		—
Shareholders’ equity:
Common Stock, no par value — 200,000,000 shares authorized — 86,345,246 and 90,303,686 shares outstanding	86		90
Capital surplus	1,281		1,307
Retained earnings	4,149		4,009
Accumulated other comprehensive income, net of tax	1,273		863
Total shareholders’ equity	6,789		6,269
Noncontrolling interests	—		—
Total equity	6,789		6,269
Total liabilities and equity	$	73,566	$	70,130

See notes to consolidated financial statements.

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AMERICAN FINANCIAL GROUP, INC. AND SUBSIDIARIES

CONSOLIDATED STATEMENT OF EARNINGS

(In Millions, Except Per Share Data)

	Year ended December 31,
	2020		2019		2018
Revenues:
Property and casualty insurance net earned premiums	$	5,099	$	5,185	$	4,865
Net investment income	2,132		2,303		2,094
Realized gains (losses) on:
Securities	289		287		(266)
Subsidiaries	23		—		—
Income of managed investment entities:
Investment income	201		269		255
Gain (loss) on change in fair value of assets/liabilities	(39)		(30)		(21)
Other income	204		223		223
Total revenues	7,909		8,237		7,150
Costs and Expenses:
Property and casualty insurance:
Losses and loss adjustment expenses	3,271		3,271		3,003
Commissions and other underwriting expenses	1,625		1,725		1,583
Annuity benefits	1,192		1,151		998
Annuity and supplemental insurance acquisition expenses	306		253		261
Interest charges on borrowed money	88		68		62
Expenses of managed investment entities	149		220		211
Other expenses	430		441		393
Total costs and expenses	7,061		7,129		6,511
Earnings before income taxes	848		1,108		639
Provision for income taxes	127		239		122
Net earnings, including noncontrolling interests	721		869		517
Less: Net earnings (loss) attributable to noncontrolling interests	(11)		(28)		(13)
Net Earnings Attributable to Shareholders	$	732	$	897	$	530
Earnings Attributable to Shareholders per Common Share:
Basic	$	8.25	$	9.98	$	5.95
Diluted	$	8.20	$	9.85	$	5.85
Average number of Common Shares:
Basic	88.7		89.9		89.0
Diluted	89.2		91.0		90.6

See notes to consolidated financial statements.

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AMERICAN FINANCIAL GROUP, INC. AND SUBSIDIARIES

CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME

(In Millions)

	Year ended December 31,
	2020		2019		2018
Net earnings, including noncontrolling interests	$	721	$	869	$	517
Other comprehensive income (loss), net of tax:
Net unrealized gains (losses) on securities:
Unrealized holding gains (losses) on securities arising during the period	700		788		(544)
Reclassification adjustment for realized (gains) losses included in net earnings	(307)		(9)		8
Total net unrealized gains (losses) on securities	393		779		(536)
Net unrealized gains on cash flow hedges	24		28		2
Foreign currency translation adjustments	(1)		7		(10)
Pension and other postretirement plans adjustments	—		1		—
Other comprehensive income (loss), net of tax	416		815		(544)
Total comprehensive income (loss), net of tax	1,137		1,684		(27)
Less: Comprehensive income (loss) attributable to noncontrolling interests	(9)		(28)		(13)
Comprehensive income (loss) attributable to shareholders	$	1,146	$	1,712	$	(14)

See notes to consolidated financial statements.

F-6

Table of Contents

AMERICAN FINANCIAL GROUP, INC. AND SUBSIDIARIES

CONSOLIDATED STATEMENT OF CHANGES IN EQUITY

(Dollars in Millions)

		Shareholders’ Equity												Redeemable
	Common	Common Stock and Capital		Retained		Accumulated Other Comp.				Noncon- trolling		Total		Noncon- trolling
	Shares	Surplus		Earnings		Inc. (Loss)		Total		Interests		Equity		Interests
Balance at December 31, 2017	88,275,460	$	1,269	$	3,248	$	813	$	5,330	$	1	$	5,331	$	3
Cumulative effect of accounting change	—	—		225		(221)		4		—		4		—
Net earnings (losses)	—	—		530		—		530		1		531		(14)
Other comprehensive loss	—	—		—		(544)		(544)		—		(544)		—
Dividends ($4.45 per share)	—	—		(397)		—		(397)		—		(397)		—
Shares issued:
Exercise of stock options	778,270	29		—		—		29		—		29		—
Restricted stock awards	200,625	—		—		—		—		—		—		—
Other benefit plans	103,797	12		—		—		12		—		12		—
Dividend reinvestment plan	29,998	3		—		—		3		—		3		—
Stock-based compensation expense	—	23		—		—		23		—		23		—
Shares acquired and retired	(65,589)	(1)		(5)		—		(6)		—		(6)		—
Shares exchanged — benefit plans	(26,520)	(1)		(2)		—		(3)		—		(3)		—
Forfeitures of restricted stock	(4,317)	—		—		—		—		—		—		—
Other	—	—		(11)		—		(11)		—		(11)		11
Balance at December 31, 2018	89,291,724	$	1,334	$	3,588	$	48	$	4,970	$	2	$	4,972	$	—
Net earnings (loss)	—	—		897		—		897		(2)		895		(26)
Other comprehensive income	—	—		—		815		815		—		815		—
Dividends ($4.95 per share)	—	—		(446)		—		(446)		—		(446)		—
Shares issued:
Exercise of stock options	747,167	31		—		—		31		—		31		—
Restricted stock awards	232,635	—		—		—		—		—		—		—
Other benefit plans	77,429	8		—		—		8		—		8		—
Dividend reinvestment plan	19,334	2		—		—		2		—		2		—
Stock-based compensation expense	—	23		—		—		23		—		23		—
Shares exchanged — benefit plans	(50,062)	(1)		(4)		—		(5)		—		(5)		—
Forfeitures of restricted stock	(14,541)	—		—		—		—		—		—		—
Other	—	—		(26)		—		(26)		—		(26)		26
Balance at December 31, 2019	90,303,686	$	1,397	$	4,009	$	863	$	6,269	$	—	$	6,269	$	—
Cumulative effect of accounting change	—	—		7		—		7		—		7		—
Net earnings (loss)	—	—		732		—		732		2		734		(13)
Other comprehensive income	—	—		—		414		414		—		414		2
Dividends ($3.85 per share)	—	—		(336)		—		(336)		—		(336)		—
Shares issued:
Exercise of stock options	328,471	14		—		—		14		—		14		—
Restricted stock awards	227,867	—		—		—		—		—		—		—
Other benefit plans	143,270	10		—		—		10		—		10		—
Dividend reinvestment plan	18,690	2		—		—		2		—		2		—
Stock-based compensation expense	—	20		—		—		20		—		20		—
Shares acquired and retired	(4,531,394)	(70)		(243)		—		(313)		—		(313)		—
Shares exchanged — benefit plans	(101,663)	(2)		(9)		—		(11)		—		(11)		—
Forfeitures of restricted stock	(43,681)	—		—		—		—		—		—		—
Other	—	(4)		(11)		(4)		(19)		(2)		(21)		11
Balance at December 31, 2020	86,345,246	$	1,367	$	4,149	$	1,273	$	6,789	$	—	$	6,789	$	—

See notes to consolidated financial statements.

F-7

Table of Contents

AMERICAN FINANCIAL GROUP, INC. AND SUBSIDIARIES

CONSOLIDATED STATEMENT OF CASH FLOWS

(In Millions)

	Year ended December 31,
	2020		2019		2018
Operating Activities:
Net earnings, including noncontrolling interests	$	721	$	869	$	517
Adjustments:
Depreciation and amortization	299		259		210
Annuity benefits	1,192		1,151		998
Realized (gains) losses on investing activities	(313)		(288)		265
Net (purchases) sales of trading securities	20		(5)		111
Deferred annuity and life policy acquisition costs	(154)		(206)		(263)
Change in:
Reinsurance and other receivables	(533)		(112)		(211)
Other assets	138		(406)		96
Insurance claims and reserves	812		703		425
Payable to reinsurers	13		62		9
Other liabilities	(71)		516		(140)
Managed investment entities’ assets/liabilities	25		23		148
Other operating activities, net	34		(110)		(82)
Net cash provided by operating activities	2,183		2,456		2,083
Investing Activities:
Purchases of:
Fixed maturities	(10,335)		(8,260)		(10,183)
Equity securities	(404)		(242)		(568)
Mortgage loans	(372)		(442)		(167)
Equity index options and other investments	(897)		(991)		(973)
Real estate, property and equipment	(60)		(44)		(80)
Businesses	(3)		—		(36)
Proceeds from:
Maturities and redemptions of fixed maturities	5,749		4,567		4,948
Repayments of mortgage loans	84		184		201
Sales of fixed maturities	3,729		927		501
Sales of equity securities	656		453		247
Sales and settlements of equity index options and other investments	988		771		883
Sales of real estate, property and equipment	5		4		3
Sales of businesses	3		—		—
Cash and cash equivalents of businesses acquired and sold	(425)		—		13
Managed investment entities:
Purchases of investments	(1,502)		(1,398)		(2,117)
Proceeds from sales and redemptions of investments	1,221		1,409		1,948
Other investing activities, net	(1)		(3)		30
Net cash used in investing activities	(1,564)		(3,065)		(5,350)
Financing Activities:
Annuity receipts	4,287		4,960		5,632
Ceded annuity receipts	(492)		—		—
Annuity surrenders, benefits and withdrawals	(3,711)		(3,358)		(2,916)
Ceded annuity surrenders, benefits and withdrawals	206		—		—
Net transfers from variable annuity assets	61		60		47
Cash transferred in annuity reinsurance	(554)		—		—
Additional long-term borrowings	634		315		—
Reductions of long-term debt	(150)		(150)		—
Issuances of managed investment entities’ liabilities	429		371		1,983
Retirements of managed investment entities’ liabilities	(208)		(382)		(1,935)
Issuances of Common Stock	22		36		33
Repurchases of Common Stock	(313)		—		(6)
Cash dividends paid on Common Stock	(334)		(444)		(394)
Net cash provided by (used in) financing activities	(123)		1,408		2,444
Net Change in Cash and Cash Equivalents	496		799		(823)
Cash and cash equivalents at beginning of year	2,314		1,515		2,338
Cash and cash equivalents at end of year	$	2,810	$	2,314	$	1,515

See notes to consolidated financial statements.

F-8

AMERICAN FINANCIAL GROUP, INC. AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

INDEX TO NOTES
A.	Accounting Policies	J.	Long-Term Debt
B.	Acquisitions and Sale of Businesses	K.	Leases
C.	Segments of Operations	L.	Shareholders’ Equity
D.	Fair Value Measurements	M.	Income Taxes
E.	Investments	N.	Contingencies
F.	Derivatives	O.	Quarterly Operating Results (Unaudited)
G.	Deferred Policy Acquisition Costs	P.	Insurance
H.	Managed Investment Entities	Q.	Additional Information
I.	Goodwill and Other Intangibles	R.	Subsequent Event

A.     Accounting Policies

Basis of Presentation   The consolidated financial statements include the accounts of American Financial Group, Inc. and its subsidiaries (“AFG”). Certain reclassifications have been made to prior years 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 December 31, 2020, and prior to the filing of this Form 10-K, have been evaluated for potential recognition or disclosure herein.

The preparation of the financial statements in conformity with U.S. generally accepted accounting principles (“GAAP”) 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 at September 30 on the sale of Neon, its United Kingdom-based Lloyd’s insurer (see Note B — “Acquisitions and Sale of Businesses”), AFG did not have any material nonrecurring fair value measurements in 2020 or 2019.

Credit Losses on Financial Instruments   On January 1, 2020, AFG adopted Accounting Standards Update (“ASU”) 2016-13, Financial Instruments – Credit Losses: Measurement of Credit Losses on Financial Instruments, which provides a new loss model for determining credit-related impairments for financial instruments measured at amortized cost (mortgage loans, premiums receivable and reinsurance recoverables) and requires an entity to estimate the credit losses expected over the life of an exposure or pool of exposures. The estimate of expected credit losses considers historical information, current information, as well as reasonable and supportable forecasts, including estimates of prepayments. Expected credit losses, and subsequent increases or decreases in such expected losses, are recorded immediately through net earnings as an allowance that is deducted from the amortized cost basis of the financial asset, with the net carrying value of the financial asset presented on the balance sheet at the amount expected to be collected. AFG’s portfolio of mortgage loans crosses a wide variety of commercial properties with very strong loan to value ratios and no credit losses in recent years. In addition, the reinsurance used in AFG’s insurance operations is purchased from financially strong (highly rated) reinsurers and the Company has a long history of collecting premiums receivable through various economic cycles. At the date of adoption, the impact of adjusting AFG’s existing allowances for uncollectable mortgage loans, premiums receivable and reinsurance recoverables to the allowances calculated under the new guidance resulted in a reduction in the net allowance, which was recorded as the cumulative effect of an accounting change ($7 million increase in retained earnings at January 1, 2020).

The updated guidance also amended the current other-than-temporary impairment model for available for sale debt securities by requiring the recognition of impairments relating to credit losses through an allowance and limits the amount of credit loss to the difference between a security’s amortized cost basis and its fair value. Subsequent increases or decreases in expected credit losses will be recorded immediately in net earnings through realized gains (losses).

F-9

AMERICAN FINANCIAL GROUP, INC. AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — CONTINUED

Investments   On January 1, 2018, AFG adopted ASU 2016-01, which requires all equity securities other than those accounted for under the equity method to be reported at fair value with holding gains and losses recognized in net earnings. At December 31, 2017, AFG had $1.60 billion in equity securities classified as “available for sale” under the prior guidance with holding gains and losses included in accumulated other comprehensive income (“AOCI”) instead of net earnings. At the date of adoption, the $221 million net unrealized gain on equity securities included in AOCI was reclassified to retained earnings as the cumulative effect of an accounting change. The cumulative effect of the accounting change also includes the net unrealized gain on AFG’s small number of limited partnerships and similar investments carried at cost under the prior guidance that are carried at fair value through net earnings under the new guidance ($4 million net of tax at the date of adoption).

Holding gains and losses on equity securities carried at fair value are generally recorded in realized gains (losses) on securities. However, AFG records holding gains and losses on securities classified as “trading” under previous guidance, its small portfolio of limited partnerships and similar investments carried at fair value and certain other securities classified at purchase as “fair value through net investment income” in net investment income.

Fixed maturity securities classified as “available for sale” are reported at fair value with unrealized gains and losses included in AOCI in AFG’s Balance Sheet. Fixed maturity 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 loans (net of any allowance) and policy loans are carried primarily at the aggregate unpaid balance.

Premiums and discounts on fixed maturity securities are amortized using the effective 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.

Limited partnerships and similar investments are generally accounted for using the equity method of accounting. Under the equity method, AFG records its share of the earnings or losses of the investee based on when they are reported by the investee in its financial statements rather than in the period in which the investee declares a dividend. AFG’s share of the earnings or losses from equity method investments is generally recorded on a quarter lag due to the timing of the receipt of the investee’s financial statements. AFG’s equity in the earnings (losses) of limited partnerships and similar investments is included in net investment income.

Realized gains or losses on the disposal of fixed maturity securities are determined on the specific identification basis. When a decline in the value of an available for sale fixed maturity is considered to be other-than-temporary at the balance sheet date, an allowance for credit losses (impairment), including any write-off of accrued interest, is charged to earnings (included in realized gains (losses) on securities). If management can assert that it does not intend to sell the security and it is not more likely than not that it will have to sell it before recovery of its amortized cost basis (net of allowance), then the impairment allowance 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 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 charge. 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 is recorded in earnings to reduce the amortized cost (net of allowance) of that security to fair value. See “Credit Losses on Financial Instruments” above for a discussion of new guidance adopted on January 1, 2020.

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 and principal-only MBS) and (ii) the equity-based component of certain annuity products (included in annuity benefits accumulated) and related equity index options 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. When the change in the fair value of a qualifying cash flow hedge is included in earnings, it is included in the same line

F-10

AMERICAN FINANCIAL GROUP, INC. AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — CONTINUED

item in the statement of earnings as the cash flows from the hedged item. AFG uses interest rate swaps that are designated and 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.

Goodwill   Goodwill represents the excess of cost of subsidiaries over AFG’s equity in their underlying net assets at the date of acquisition. 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.

An AFG 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.

Certain reinsurance arrangements in AFG’s fixed and indexed annuity operations do not transfer significant insurance risk and are therefore accounted for using the deposit method. This accounting treatment results in amounts paid by AFG to the reinsurer to be recorded as a deposit asset. The reinsurance deposit asset (reinsurance recoverable) is adjusted as amounts are paid or received under the underlying contracts. AFG’s reinsurance partner posts collateral in excess of amounts due to AFG under these contracts. Under reinsurance accounting guidance on transactions involving annuities, the gain or loss is deferred and recognized over the expected life of the underlying annuity contracts (using methods similar to those used to amortize 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

F-11

AMERICAN FINANCIAL GROUP, INC. AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — CONTINUED

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 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   A 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”). AFG has determined that it is the primary beneficiary of these 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) through its investment in the CLO debt tranches, it has exposure to CLO losses (limited to the amount AFG invested) and the right to receive CLO benefits that could potentially be significant to the CLOs.

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.

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. AFG has 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 are measured by the change in the fair value of AFG’s investments in the CLOs and management fees earned.

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 annuity benefits expense and decreases for annuity policy charges are recorded in other income. For traditional fixed annuities, the liability for annuity benefits accumulated represents the account value that had accrued to the benefit of the policyholder as of the balance sheet date. For fixed-indexed annuities (“FIAs”), the liability for annuity benefits accumulated includes an embedded derivative that represents the estimated fair value of the index participation with the remaining component representing the discounted value of the guaranteed minimum contract benefits.

F-12

AMERICAN FINANCIAL GROUP, INC. AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — CONTINUED

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 (included in other income) 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 (losses) 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.

Debt Issuance Costs   Debt issuance costs related to AFG’s outstanding debt are presented in its Balance Sheet as a direct reduction in the carrying value of long-term debt and are amortized over the life of the related debt using the effective interest method as a component of interest expense. Debt issuance costs related to AFG’s revolving credit facilities are included in other assets 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.

Leases   On January 1, 2019, AFG adopted ASU 2016-02, which requires entities that lease assets for terms longer than one year to recognize assets and liabilities for the rights and obligations created by those leases on the balance sheet based on the present value of contractual cash flows. As permitted under the ASU, AFG adopted the guidance on a modified retrospective basis (comparative periods were not adjusted) and elected the following accounting policies and practical expedients:

•exclude leases with a term of 12 months or less from the calculation of lease assets and liabilities,

•not separate lease and non-lease components except for buildings (office space and storage facilities),

•for contracts existing at the date of adoption – not reassess whether a contract is a lease or contains a lease, how initial direct costs were accounted for or whether the lease is an operating or finance lease, and

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•use hindsight to determine the lease term for leases existing at the date of adoption.

Adoption of the new guidance resulted in AFG recognizing a lease liability of $198 million (included in other liabilities) and a corresponding right-of-use asset of $174 million (included in other assets and presented net of $24 million in deferred rent and lease incentives) on January 1, 2019. Deferred rent and lease incentives were recognized as liabilities under the previous guidance and result from the straight-line expensing of operating leases. The adoption of the new guidance did not have a material effect on AFG’s results of operations or liquidity. See Note K — “Leases” for additional disclosures.

Noncontrolling Interests   For balance sheet purposes, noncontrolling interests represent 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. Noncontrolling interests that are redeemable at the option of the holder are presented separately in the mezzanine section of the balance sheet (between liabilities and equity).

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.

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. The effect of a change in tax rates on deferred tax assets and liabilities is recorded in net earnings in the period that includes the enactment date.

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 records excess tax benefits or deficiencies for share-based payments through income tax expense in the statement of earnings. In addition, AFG accounts for forfeitures of awards when they occur.

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: 2020 – 0.5 million, 2019 – 1.1 million and 2018 – 1.6 million.

There were no anti-dilutive potential common shares related to stock compensation plans or adjustments to net earnings attributable to shareholders in the calculation of diluted earnings per share for the years ended December 31, 2020, 2019 or 2018.

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, property and equipment and businesses. “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

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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

Neon   In December 2019, AFG initiated actions to exit the Lloyd’s of London insurance market, which included placing Neon Underwriting Ltd. and its other Lloyd’s subsidiaries in run-off. Neon and its predecessor, Marketform, failed to achieve AFG’s profitability objectives since AFG’s purchase of Marketform in 2008.

On June 30, 2020, AFG acquired 100% of the indirect noncontrolling interest in Neon from certain former and current Neon executives for cash based on the nominal fair value of the interest acquired as determined by a third-party valuation firm.

On December 31, 2020, AFG completed the sale of GAI Holding Bermuda and its subsidiaries, comprising the legal entities that own Neon, to RiverStone Holdings Limited for proceeds of $6 million. The sale completed AFG’s exit from the Lloyd’s of London insurance market.

On the sale date, the carrying value of the assets and liabilities disposed represented approximately 1% of both AFG’s assets and liabilities and are detailed in the table below.

Under GAAP accounting guidance, 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. Because AFG’s primary business continues to be commercial property and casualty insurance, as well as the immaterial expected impact on AFG’s ongoing results of operations, the sale of Neon has not been reported as a discontinued operation.

The gain on the sale of Neon, which was recorded in AFG’s financial statements as of December 31, 2020, is shown below (in millions):

Sale proceeds, net of expenses	$	3
Assets of businesses to be sold:
Cash and investments	$	453
Recoverables from reinsurers	224
Prepaid reinsurance premiums	8
Agents’ balances and premiums receivable	42
Other assets	60
Total assets	787
Liabilities of businesses to be sold:
Unpaid losses and loss adjustment expenses	640
Unearned premiums	49
Payable to reinsurers	19
Other liabilities	92
Total liabilities	800
Reclassify accumulated other comprehensive income	(7)
Net liabilities of businesses sold	$	(20)
Pretax gain on subsidiaries recorded in 2020	$	23

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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — CONTINUED

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

	Year ended December 31,
	2020		2019		2018
Net earned premiums	$	200	$	384	$	306
Loss and loss adjustment expenses	218		225		204
Commissions and other underwriting expenses	117		195		165
Underwriting loss	(135)		(36)		(63)
Net investment income (loss)	(5)		6		10
Other income and expenses, net	(5)		(10)		(5)
Loss before income taxes and noncontrolling interests	$	(145)	$	(40)	$	(58)

The impact of Neon exited lines on AFG’s net earnings for the year ended December 31, 2020 is shown below (in millions):

Underwriting loss	$	(135)
Net investment income (loss)	(5)
Other income and expenses, net	(5)
Loss before income taxes and noncontrolling interests	(145)
Pretax gain on sale of subsidiaries	23
Total pretax loss from Neon exited lines	(122)
Tax benefit related to sale of subsidiaries	72
Less: Net loss attributable to noncontrolling interests	(11)
Net loss from Neon exited lines attributable to shareholders	$	(39)

As discussed in Note M — “Income Taxes,” the sale of Neon allowed AFG to recognize a $72 million tax benefit.

Paratransit Book of Business   Effective in June 2019, National Interstate, a property and casualty insurance subsidiary of AFG, entered into an agreement with Atlas Financial Holdings, Inc. (“AFH”) to become the exclusive underwriter of AFH’s paratransit book of business. National Interstate estimated that the majority of AFH’s $110 million paratransit business was eligible for quotation under this arrangement following inception of the agreement. Under the terms of the agreement (as extended in 2020), AFH acts as an underwriting manager for National Interstate until at least August 2021 for fleets with seven or fewer vehicles, after which time National Interstate is entitled to acquire the renewal rights for the business from AFH for a purchase price equal to 15% of the in force gross written premiums at that date. In November 2020, National Interstate acquired the renewal rights for fleets with eight or more vehicles from AFH for approximately $3 million. The majority of the purchase price ultimately paid for the renewal rights will be recorded as an intangible renewal rights asset and will be amortized over the estimated life of the business acquired. In connection with the transaction, AFG was granted a five-year warrant to acquire approximately 2.4 million shares of AFH (19.9% at the acquisition date). The estimated fair value of the warrant was approximately $1 million at the date it was received.

ABA Insurance Services Inc.   In November 2018, AFG acquired ABA Insurance Services Inc. (“ABAIS”) from American Bankers Mutual Insurance, Ltd. for approximately $30 million using cash on hand at the parent company. Additional contingent consideration of up to $3 million could be due four years after the acquisition date based on achieving certain operating milestones. ABAIS is based in Ohio and is a market-leading provider of directors and officers liability and other complementary insurance solutions for banks, small businesses and nonprofit organizations.

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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — CONTINUED

The allocation of the purchase price is shown in the table below (in millions):

	November 30, 2018
Total purchase price	$	30
Tangible assets acquired	28
Liabilities acquired	26
Net tangible assets acquired, at fair value	2
Excess purchase price over net tangible assets acquired	$	28
Allocation of excess purchase price:
Intangible assets acquired (*)	$	25
Deferred tax on intangible assets acquired (*)	(5)
Goodwill	8
	$	28

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

Approximately $25 million of the purchase price was recorded as a finite lived customer relationship intangible asset, which will be amortized over its estimated life of 9 years. The fair value of this intangible was estimated using a multi-period excess earnings method, which is a form of the income approach. The acquisition resulted in the recognition of $8 million in goodwill based on the excess of the purchase price over the fair value of the net assets acquired. The goodwill represents the fair value of acquired intangible assets that do not qualify for separate recognition, including the value of ABAIS’s assembled workforce. Business generated by ABAIS is included in the Specialty casualty sub-segment.

C.    Segments of Operations

AFG manages its business as three segments: (i) Property and casualty insurance, (ii) Annuity and (iii) Other, which includes holding company assets and costs, revenues and costs of AFG’s limited insurance operations outside of property and casualty insurance and annuity segments, and 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 and trucks, inland and ocean marine, agricultural-related products and other commercial property coverages, (ii) Specialty casualty, which includes primarily excess and surplus, executive and professional liability, general liability, umbrella and excess liability, specialty coverages 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 lending and leasing institutions (including equipment leasing and collateral and lender-placed mortgage property insurance), fidelity and surety 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 sells traditional fixed and indexed annuities in the retail, financial institutions, broker-dealer and registered investment advisor markets. AFG’s reportable segments and their components were determined based primarily upon similar economic characteristics, products and services.

As discussed in Note B — “Acquisitions and Sale of Businesses,” AFG initiated actions to exit the Lloyd’s of London insurance market, which included placing its Lloyd’s subsidiaries including its Lloyd’s Managing Agency, Neon Underwriting Ltd., into run-off in December 2019. Beginning with the first quarter of 2020, the results for AFG’s Specialty casualty sub-segment exclude the run-off operations of Neon (“Neon exited lines”). AFG completed the sale of Neon in December 2020.

Sales of property and casualty insurance outside of the United States represented 5% of AFG’s revenues in 2020 and 7% of AFG’s revenues in 2019 and 2018. Approximately one-half and two-thirds of these 2020 and 2019 sales, respectively, were through the Neon Lloyd’s of London business.

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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — CONTINUED

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

	2020		2019		2018
Assets
Property and casualty insurance (a)	$	19,689	$	19,098	$	17,681
Annuity	47,626		45,074		39,952
Other	6,251		5,958		5,823
Total assets	$	73,566	$	70,130	$	63,456

Revenues
Property and casualty insurance:
Premiums earned:
Specialty
Property and transportation	$	1,871	$	1,828	$	1,729
Specialty casualty	2,235		2,597		2,403
Specialty financial	613		610		598
Other specialty	180		150		135
Other lines (b)	200		—		—
Total premiums earned	5,099		5,185		4,865
Net investment income (c)	399		472		438
Other income	8		11		10
Total property and casualty insurance	5,506		5,668		5,313
Annuity:
Net investment income	1,699		1,792		1,638
Other income	131		120		125
Total annuity	1,830		1,912		1,763
Other	261		370		340
Total revenues before realized gains (losses)	7,597		7,950		7,416
Realized gains (losses) on securities	289		287		(266)
Realized gains on subsidiaries	23		—		—
Total revenues	$	7,909	$	8,237	$	7,150

(a)Not allocable to sub-segments.

(b)Represents premiums earned in the Neon exited lines during 2020. Neon’s $384 million and $306 million in earned premiums during 2019 and 2018, respectively, are included in the Specialty casualty sub-segment.

(c)Includes a loss of $5 million in the Neon exited lines in 2020 (primarily from the change in fair value of equity securities).

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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — CONTINUED

	2020		2019		2018
Earnings Before Income Taxes
Property and casualty insurance:
Underwriting:
Specialty
Property and transportation	$	181	$	79	$	120
Specialty casualty	223		175		141
Specialty financial	50		92		66
Other specialty	(28)		(21)		(5)
Other lines (a)	(202)		(113)		(20)
Total underwriting	224		212		302
Investment and other income, net (b)	360		437		407
Total property and casualty insurance	584		649		709
Annuity	171		362		361
Other (c)	(219)		(190)		(165)
Total earnings before realized gains (losses) and income taxes	536		821		905
Realized gains (losses) on securities	289		287		(266)
Realized gains on subsidiaries	23		—		—
Total earnings before income taxes	$	848	$	1,108	$	639

(a)Includes an underwriting loss of $135 million in 2020 in the Neon exited lines. Neon’s $36 million and $63 million underwriting losses in 2019 and 2018, respectively, are included in the Specialty casualty sub-segment. Also includes special charges to increase asbestos and environmental (“A&E”) reserves of $47 million in 2020 and $18 million in both 2019 and 2018, and a $76 million charge in 2019 related to the Neon exited lines.

(b)Includes $10 million in 2020 in net expenses from the Neon exited lines, before noncontrolling interest.

(c)Includes holding company interest and expenses, including losses on retirement of debt of $5 million in both 2020 and 2019, respectively, and special charges to increase A&E reserves related to AFG’s former railroad and manufacturing operations ($21 million in 2020, $11 million in 2019 and $9 million in 2018). Also includes the results of AFG’s run-off life and long-term care businesses, including a $4 million loss recognition charge recorded in the run-off long-term care business in 2020.

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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — CONTINUED

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, 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, asset-backed securities (“ABS”), mortgage-backed securities (“MBS”), certain non-affiliated common stocks, equity index options 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 at the valuation date. 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 are classified as Level 3.

As discussed in Note A — “Accounting Policies — Managed Investment Entities,” AFG has set the carrying value of its 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. As a result, 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, 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 investment professionals 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 services regarding the methods and assumptions used in pricing, including verifying, on a test basis, the inputs used by the service to value specific securities.

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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — CONTINUED

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
December 31, 2020
Assets:
Available for sale (“AFS”) fixed maturities:
U.S. Government and government agencies	$	201	$	26	$	15	$	242
States, municipalities and political subdivisions	—		5,630		103		5,733
Foreign government	—		211		—		211
Residential MBS	—		2,890		165		3,055
Commercial MBS	—		777		13		790
Collateralized loan obligations	—		4,489		64		4,553
Other asset-backed securities	—		5,850		1,373		7,223
Corporate and other	44		19,873		1,483		21,400
Total AFS fixed maturities	245		39,746		3,216		43,207
Trading fixed maturities	—		66		—		66
Equity securities	1,096		98		469		1,663
Equity index call options	—		825		—		825
Assets of managed investment entities (“MIE”)	217		4,733		21		4,971
Variable annuity assets (separate accounts) (*)	—		664		—		664
Other assets — derivatives	—		102		—		102
Total assets accounted for at fair value	$	1,558	$	46,234	$	3,706	$	51,498
Liabilities:
Liabilities of managed investment entities	$	208	$	4,543	$	20	$	4,771
Derivatives in annuity benefits accumulated	—		—		3,933		3,933
Other liabilities — derivatives	—		10		—		10
Total liabilities accounted for at fair value	$	208	$	4,553	$	3,953	$	8,714
December 31, 2019
Assets:
Available for sale fixed maturities:
U.S. Government and government agencies	$	151	$	43	$	15	$	209
States, municipalities and political subdivisions	—		6,858		105		6,963
Foreign government	—		172		—		172
Residential MBS	—		2,987		173		3,160
Commercial MBS	—		892		35		927
Collateralized loan obligations	—		4,265		15		4,280
Other asset-backed securities	—		5,842		1,286		7,128
Corporate and other	29		21,879		1,758		23,666
Total AFS fixed maturities	180		42,938		3,387		46,505
Trading fixed maturities	2		111		—		113
Equity securities	1,433		67		437		1,937
Equity index call options	—		924		—		924
Assets of managed investment entities	213		4,506		17		4,736
Variable annuity assets (separate accounts) (*)	—		628		—		628
Other assets — derivatives	—		50		—		50
Total assets accounted for at fair value	$	1,828	$	49,224	$	3,841	$	54,893
Liabilities:
Liabilities of managed investment entities	$	206	$	4,349	$	16	$	4,571
Derivatives in annuity benefits accumulated	—		—		3,730		3,730
Other liabilities — derivatives	—		10		—		10
Total liabilities accounted for at fair value	$	206	$	4,359	$	3,746	$	8,311

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

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AMERICAN FINANCIAL GROUP, INC. AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — CONTINUED

Approximately 7% of the total assets carried at fair value on December 31, 2020, were Level 3 assets. Approximately 40% ($1.50 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. Approximately $530 million (14%) of the Level 3 assets were priced by pricing services where either a single price was not corroborated, prices varied enough among the providers, or other market factors led management to determine these securities should be classified as Level 3 assets.

Internally developed Level 3 asset fair values represent approximately $1.68 billion (46%) of the total fair value of Level 3 assets at December 31, 2020. The fixed maturities are priced using a variety of inputs, including appropriate credit spreads over the treasury yield (of a similar duration), trade information and prices of comparable securities and other security specific features (such as optional early redemption). Internally developed prices for equity securities are based primarily on financial information of the entities invested in and sales of comparable companies. Management believes that any justifiable changes in unobservable inputs used to determine internally developed fair values would not have resulted in a material change in AFG’s financial position.

The derivatives embedded in AFG’s fixed-indexed and variable-indexed annuity liabilities are measured using a discounted cash flow approach and had a fair value of $3.93 billion at December 31, 2020. The following table presents information about the unobservable inputs used by management in determining fair value of these Level 3 liabilities. See Note F — “Derivatives.”

Unobservable Input	Range
Adjustment for insurance subsidiary’s credit risk	0.2% – 2.2% over the risk-free rate
Risk margin for uncertainty in cash flows	0.99% reduction in the discount rate
Surrenders	4% – 23% of indexed account value
Partial surrenders	2% – 11% of indexed account value
Annuitizations	0.1% – 1% of indexed account value
Deaths	1.7% – 13.9% of indexed account value
Budgeted option costs	2.2% – 2.9% of indexed account value

The range of adjustments for insurance subsidiary’s credit risk is based on the Moody’s corporate A2 bond index and 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 and variable-indexed annuity products with an expected range of 8% to 11% in the majority of future calendar years (4% to 23% over all periods). Increasing the budgeted option cost or risk margin for uncertainty in cash flow assumptions in the table above would increase the fair value of the fixed-indexed and variable-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.

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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — CONTINUED

Changes in balances of Level 3 financial assets and liabilities carried at fair value during 2020, 2019 and 2018 are presented below (in millions). The transfers into and out of Level 3 were due to changes in the availability of market observable inputs and $29 million of equity securities transferred into Level 3 in 2018 related to a small number of limited partnerships and similar investments carried at cost under the prior guidance that are carried at fair value through net earnings under new guidance adopted on January 1, 2018, as discussed in Note A — “Accounting Policies — Investments.” 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 December 31, 2019		Net earnings		Other comprehensive income (loss)		Purchases and issuances		Sales and settlements		Transfer into Level 3		Transfer out of Level 3		Balance at December 31, 2020
AFS fixed maturities:
U.S. government agency	$	15	$	4	$	(4)	$	—	$	—	$	—	$	—	$	15
State and municipal	105		—		5		—		(5)		—		(2)		103
Residential MBS	173		(7)		(8)		—		(19)		58		(32)		165
Commercial MBS	35		—		1		—		(3)		2		(22)		13
Collateralized loan obligations	15		(5)		22		—		—		187		(155)		64
Other asset-backed securities	1,286		(17)		20		423		(375)		215		(179)		1,373
Corporate and other	1,758		2		33		283		(185)		133		(541)		1,483
Total AFS fixed maturities	3,387		(23)		69		706		(587)		595		(931)		3,216
Equity securities	437		(13)		—		73		(19)		17		(26)		469
Assets of MIE	17		(6)		—		2		—		8		—		21
Total Level 3 assets	$	3,841	$	(42)	$	69	$	781	$	(606)	$	620	$	(957)	$	3,706
Embedded derivatives (a)	$	(3,730)	$	(283)	$	—	$	(242)	$	322	$	—	$	—	$	(3,933)
Total Level 3 liabilities (b)	$	(3,730)	$	(283)	$	—	$	(242)	$	322	$	—	$	—	$	(3,933)

(a)Total realized/unrealized gains (losses) included in net earnings for the embedded derivatives reflects a favorable adjustment related to the unlocking of actuarial assumptions of $240 million in 2020.

(b)As previously discussed, these tables exclude the portion of MIE liabilities allocated to Level 3, which are derived from the fair value of MIE assets.

			Total realized/unrealized gains (losses) included in
	Balance at December 31, 2018		Net earnings		Other comprehensive income (loss)		Purchases and issuances		Sales and settlements		Transfer into Level 3		Transfer out of Level 3		Balance at December 31, 2019
AFS fixed maturities:
U.S. government agency	$	9	$	—	$	7	$	—	$	(1)	$	—	$	—	$	15
State and municipal	59		—		5		—		(3)		55		(11)		105
Residential MBS	197		6		(3)		—		(20)		48		(55)		173
Commercial MBS	56		2		—		—		(12)		4		(15)		35
Collateralized loan obligations	116		(5)		5		—		—		28		(129)		15
Other asset-backed securities	731		—		6		787		(192)		23		(69)		1,286
Corporate and other	1,996		(3)		55		738		(335)		30		(723)		1,758
Total AFS fixed maturities	3,164		—		75		1,525		(563)		188		(1,002)		3,387
Equity securities	336		(5)		—		52		(2)		56		—		437
Assets of MIE	21		(5)		—		1		—		—		—		17
Total Level 3 assets	$	3,521	$	(10)	$	75	$	1,578	$	(565)	$	244	$	(1,002)	$	3,841
Embedded derivatives (a)	$	(2,720)	$	(919)	$	—	$	(333)	$	242	$	—	$	—	$	(3,730)
Total Level 3 liabilities (b)	$	(2,720)	$	(919)	$	—	$	(333)	$	242	$	—	$	—	$	(3,730)

(a)Total realized/unrealized gains (losses) included in net earnings for the embedded derivatives reflects a favorable adjustment related to the unlocking of actuarial assumptions of $181 million in 2019.

(b)As previously discussed, these tables exclude the portion of MIE liabilities allocated to Level 3, which are derived from the fair value of MIE assets.

F-23

AMERICAN FINANCIAL GROUP, INC. AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — CONTINUED

			Total realized/unrealized gains (losses) included in
	Balance at December 31, 2017		Net earnings		Other comprehensive income (loss)		Purchases and issuances		Sales and settlements		Transfer into Level 3		Transfer out of Level 3		Balance at December 31, 2018
AFS fixed maturities:
U.S. government agency	$	8	$	—	$	—	$	—	$	—	$	1	$	—	$	9
State and municipal	148		—		(2)		—		(3)		—		(84)		59
Residential MBS	122		(9)		(4)		—		(21)		130		(21)		197
Commercial MBS	36		—		—		20		—		—		—		56
Collateralized loan obligations	200		(3)		(13)		35		(20)		3		(86)		116
Other asset-backed securities	544		—		(2)		391		(228)		79		(53)		731
Corporate and other	1,044		(10)		(18)		1,221		(204)		27		(64)		1,996
Total AFS fixed maturities	2,102		(22)		(39)		1,667		(476)		240		(308)		3,164
Equity securities	165		9		—		155		(6)		30		(17)		336
Assets of MIE	23		(8)		—		6		—		—		—		21
Total Level 3 assets	$	2,290	$	(21)	$	(39)	$	1,828	$	(482)	$	270	$	(325)	$	3,521
Embedded derivatives (a)	$	(2,542)	$	204	$	—	$	(545)	$	163	$	—	$	—	$	(2,720)
Total Level 3 liabilities (b)	$	(2,542)	$	204	$	—	$	(545)	$	163	$	—	$	—	$	(2,720)

(a)Total realized/unrealized gains (losses) included in net earnings for the embedded derivatives includes losses related to the unlocking of actuarial assumptions of $44 million in 2018.

(b)As previously discussed, these tables exclude the portion of MIE liabilities allocated to Level 3, which are derived from the fair value of MIE assets.

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 at December 31 are summarized below (in millions):

	Carrying		Fair Value
	Value		Total		Level 1		Level 2		Level 3
2020
Financial assets:
Cash and cash equivalents	$	2,810	$	2,810	$	2,810	$	—	$	—
Mortgage loans	1,623		1,652		—		—		1,652
Policy loans	151		151		—		—		151
Total financial assets not accounted for at fair value	$	4,584	$	4,613	$	2,810	$	—	$	1,803
Financial liabilities:
Annuity benefits accumulated (*)	$	41,460	$	43,081	$	—	$	—	$	43,081
Long-term debt	1,963		2,325		—		2,322		3
Total financial liabilities not accounted for at fair value	$	43,423	$	45,406	$	—	$	2,322	$	43,084
2019
Financial assets:
Cash and cash equivalents	$	2,314	$	2,314	$	2,314	$	—	$	—
Mortgage loans	1,329		1,346		—		—		1,346
Policy loans	164		164		—		—		164
Total financial assets not accounted for at fair value	$	3,807	$	3,824	$	2,314	$	—	$	1,510
Financial liabilities:
Annuity benefits accumulated (*)	$	40,159	$	40,182	$	—	$	—	$	40,182
Long-term debt	1,473		1,622		—		1,619		3
Total financial liabilities not accounted for at fair value	$	41,632	$	41,804	$	—	$	1,619	$	40,185

(*)Excludes $1.11 billion and $247 million of life contingent annuities in the payout phase at December 31, 2020 and 2019, respectively.

F-24

AMERICAN FINANCIAL GROUP, INC. AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — CONTINUED

E.    Investments

Available for sale fixed maturities at December 31 consisted of the following (in millions):

	Amortized Cost		Allowance for Expected Credit Losses		Gross Unrealized				Net Unrealized		Fair Value
					Gains		Losses
December 31, 2020
Fixed maturities:
U.S. Government and government agencies	$	231	$	—	$	11	$	—	$	11	$	242
States municipalities and political subdivisions	5,249		—		486		(2)		484		5,733
Foreign government	203		—		8		—		8		211
Residential MBS	2,812		3		251		(5)		246		3,055
Commercial MBS	748		—		43		(1)		42		790
Collateralized loan obligations	4,556		13		27		(17)		10		4,553
Other asset-backed securities	7,138		18		169		(66)		103		7,223
Corporate and other	19,471		6		1,962		(27)		1,935		21,400
Total fixed maturities	$	40,408	$	40	$	2,957	$	(118)	$	2,839	$	43,207
December 31, 2019
Fixed maturities:
U.S. Government and government agencies	$	199	$	—	$	10	$	—	$	10	$	209
States municipalities and political subdivisions	6,604		—		363		(4)		359		6,963
Foreign government	170		—		3		(1)		2		172
Residential MBS	2,900		—		265		(5)		260		3,160
Commercial MBS	896		—		31		—		31		927
Collateralized loan obligations	4,307		—		10		(37)		(27)		4,280
Other asset-backed securities	6,992		—		156		(20)		136		7,128
Corporate and other	22,456		—		1,231		(21)		1,210		23,666
Total fixed maturities	$	44,524	$	—	$	2,069	$	(88)	$	1,981	$	46,505

Equity securities, which are reported at fair value with holding gains and losses recognized in net earnings, consisted of the following at December 31 (in millions):

	2020						2019
					Fair Value						Fair Value
	Actual				over (under)		Actual				over (under)
	Cost		Fair Value		Cost		Cost		Fair Value		Cost
Common stocks	$	939	$	922	$	(17)	$	1,164	$	1,283	$	119
Perpetual preferred stocks	702		741		39		640		654		14
Total equity securities carried at fair value	$	1,641	$	1,663	$	22	$	1,804	$	1,937	$	133

F-25

AMERICAN FINANCIAL GROUP, INC. AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — CONTINUED

The following tables show gross unrealized losses (dollars in millions) on available for sale fixed maturities by investment category and length of time that individual securities have been in a continuous unrealized loss position at the following balance sheet dates.

	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
December 31, 2020
Fixed maturities:
U.S. Government and government agencies	$	—	$	23	100	%	$	—	$	—	—	%
States, municipalities and political subdivisions	(2)		117		98	%	—		11		100	%
Foreign government	—		7		100	%	—		—		—	%
Residential MBS	(4)		210		98	%	(1)		30		97	%
Commercial MBS	(1)		39		98	%	—		9		100	%
Collateralized loan obligations	(3)		673		100	%	(14)		1,599		99	%
Other asset-backed securities	(45)		1,440		97	%	(21)		388		95	%
Corporate and other	(22)		858		98	%	(5)		124		96	%
Total fixed maturities	$	(77)	$	3,367	98	%	$	(41)	$	2,161	98	%
December 31, 2019
Fixed maturities:
U.S. Government and government agencies	$	—	$	16	100	%	$	—	$	11	100	%
States, municipalities and political subdivisions	(3)		254		99	%	(1)		82		99	%
Foreign government	(1)		70		99	%	—		—		—	%
Residential MBS	(4)		509		99	%	(1)		69		99	%
Commercial MBS	—		17		100	%	—		—		—	%
Collateralized loan obligations	(11)		1,284		99	%	(26)		1,728		99	%
Other asset-backed securities	(12)		1,211		99	%	(8)		123		94	%
Corporate and other	(13)		1,100		99	%	(8)		211		96	%
Total fixed maturities	$	(44)	$	4,461	99	%	$	(44)	$	2,224	98	%

At December 31, 2020, the gross unrealized losses on fixed maturities of $118 million relate to 620 securities. Investment grade securities (as determined by nationally recognized rating agencies) represented approximately 76% of the gross unrealized loss and 88% of the fair value.

To evaluate fixed maturities for expected credit losses (impairment), management considers whether the unrealized loss is credit-driven or a result of changes in market interest rates, the extent to which fair value is less than cost basis, historical operating, balance sheet and cash flow data from the issuer, third party research and communications with industry specialists and discussions with issuer management.

AFG analyzes its MBS securities for expected credit losses (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.

Management believes AFG will recover its cost basis (net of any allowance) 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 December 31, 2020.

F-26

AMERICAN FINANCIAL GROUP, INC. AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — CONTINUED

See Note A — “Accounting Policies — Credit Losses on Financial Instruments,” for a discussion of new guidance effective January 1, 2020, which impacts the accounting for expected credit losses (impairments) of fixed maturity securities. Under the new guidance, credit losses on available for sale fixed maturities continue to be measured based on the present value of expected future cash flows compared to amortized cost; however, impairment losses are now recognized through an allowance instead of directly writing down the amortized cost. Under the new guidance, recoveries of previously impaired amounts are recorded as an immediate reversal of all or a portion of the allowance instead of accreted as investment income through a yield adjustment. In addition, the allowance on available for sale fixed maturities cannot cause the amortized cost net of the allowance to be below fair value. Accordingly, future changes in the fair value of an impaired security (when the allowance was limited by the fair value) due to reasons other than issuer credit (e.g. changes in market interest rates) result in increases or decreases in the allowance, which are recorded through realized gains (losses) on securities. A progression of the allowance for expected credit losses on fixed maturity securities is shown below (in millions):

	Structured securities (*)		Corporate and other		Total
Balance at January 1	$	—	$	—	$	—
Impact of adoption of new accounting policy	—		—		—
Initial allowance for purchased securities with credit deterioration	1		—		1
Provision for expected credit losses on securities with no previous allowance	40		28		68
Additions (reductions) to previously recognized expected credit losses	(6)		(16)		(22)
Reductions due to sales or redemptions	(1)		(6)		(7)
Balance at December 31	$	34	$	6	$	40

(*)Includes mortgage-backed securities, collateralized loan obligations and other asset-backed securities.

In 2020, AFG purchased two residential mortgage-backed securities with expected credit losses. In aggregate at the time of purchase, the par value was $8 million, the purchase price was $6 million and the allowance for credit losses and the discount were each $1 million.

The table below sets forth the scheduled maturities of available for sale fixed maturities as of December 31, 2020 (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, net (*)		Amount		%
Maturity
One year or less	$	2,735	$	2,762	6	%
After one year through five years	10,344		11,149		26	%
After five years through ten years	9,298		10,570		25	%
After ten years	2,771		3,105		7	%
	25,148		27,586		64	%
Collateralized loan obligations and other ABS (average life of approximately 3-1/2 years)	11,663		11,776		27	%
MBS (average life of approximately 3-1/2 years)	3,557		3,845		9	%
Total	$	40,368	$	43,207	100	%

(*)Amortized cost, net of allowance for expected credit losses.

Certain risks are inherent in 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 December 31, 2020 or 2019.

F-27

AMERICAN FINANCIAL GROUP, INC. AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — CONTINUED

Net Unrealized Gain on Marketable Securities   In addition to adjusting 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		Net
December 31, 2020
Net unrealized gain on:
Fixed maturities — annuity segment (*)	$	2,323	$	(488)	$	1,835
Fixed maturities — all other	516		(108)		408
Total fixed maturities	2,839		(596)		2,243
Deferred policy acquisition costs — annuity segment	(934)		196		(738)
Annuity benefits accumulated	(324)		68		(256)
Life, accident and health reserves	(3)		—		(3)
Unearned revenue	11		(2)		9
Total net unrealized gain on marketable securities	$	1,589	$	(334)	$	1,255
December 31, 2019
Net unrealized gain on:
Fixed maturities — annuity segment (*)	$	1,611	$	(338)	$	1,273
Fixed maturities — all other	370		(78)		292
Total fixed maturities	1,981		(416)		1,565
Deferred policy acquisition costs — annuity segment	(681)		143		(538)
Annuity benefits accumulated	(219)		46		(173)
Life, accident and health reserves	(1)		—		(1)
Unearned revenue	11		(2)		9
Total net unrealized gain on marketable securities	$	1,091	$	(229)	$	862

(*)Net 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.

	2020		2019		2018
Investment income:
Fixed maturities	$	1,880	$	1,915	$	1,742
Equity securities:
Dividends	63		85		79
Change in fair value (a) (b)	24		39		22
Equity in earnings of partnerships and similar investments	98		154		161
Other	96		132		112
Gross investment income	2,161		2,325		2,116
Investment expenses	(29)		(22)		(22)
Net investment income (b)	$	2,132	$	2,303	$	2,094

(a)Although the change in the fair value of the majority of AFG’s equity securities is recorded in realized gains (losses) on securities, AFG records holding gains and losses in net investment income on equity securities classified as “trading” under previous guidance and on a small portfolio of limited partnership and similar investments that do not qualify for the equity method of accounting.

(b)Net investment income in 2020 includes losses of $5 million on investments held by the companies that comprise the Neon exited lines due primarily to the $7 million loss recorded in first quarter of 2020 on equity securities that are carried at fair value through net investment income.

F-28

AMERICAN FINANCIAL GROUP, INC. AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — CONTINUED

Realized gains (losses) and changes in unrealized appreciation (depreciation) included in AOCI related to fixed maturity securities are summarized as follows (in millions):

	2020								2019
	Realized gains (losses)								Realized gains (losses)
	Before Impairments		Impairment (Allowance)		Total		Change in Unrealized		Before Impairments		Impairments		Total		Change in Unrealized
Fixed maturities (a)	$	468	$	(46)	$	422	$	858	$	26	$	(29)	$	(3)	$	1,821
Equity securities	(96)		—		(96)		—		277		—		277		—
Mortgage loans and other investments	4		—		4		—		3		—		3		—
Other (b)	(52)		11		(41)		(360)		—		10		10		(835)
Total pretax	324		(35)		289		498		306		(19)		287		986
Tax effects	(68)		7		(61)		(105)		(64)		4		(60)		(207)
Net of tax	$	256	$	(28)	$	228	$	393	$	242	$	(15)	$	227	$	779

	2018
	Realized gains (losses)
	Before Impairments		Impairments		Total		Change in Unrealized
Fixed maturities	$	6	$	(26)	$	(20)	$	(1,181)
Equity securities	(265)		—		(265)		—
Mortgage loans and other investments	1		—		1		—
Other (b)	11		7		18		502
Total pretax	(247)		(19)		(266)		(679)
Tax effects	52		4		56		143
Net of tax	$	(195)	$	(15)	$	(210)	$	(536)

(a)Includes realized gains of $415 million on investments disposed of in AFG’s 2020 annuity block reinsurance transaction. See Note P — Insurance.

(b)Primarily adjustments to deferred policy acquisition costs and reserves related to the annuity business.

All equity securities other than those accounted for under the equity method are carried at fair value through net earnings. AFG recorded net holding gains (losses) on equity securities during 2020, 2019 and 2018 on securities that were still owned at December 31 of each year presented as follows (in millions):

	2020		2019		2018
Included in realized gains (losses)	$	(70)	$	169	$	(279)
Included in net investment income	24		38		22
	$	(46)	$	207	$	(257)

Gross realized gains and losses (excluding impairment charges and mark-to-market of derivatives) on available for sale fixed maturity investment transactions consisted of the following (in millions):

	2020		2019		2018
Gross gains	$	526	$	35	$	22
Gross losses	(55)		(19)		(14)

F-29

AMERICAN FINANCIAL GROUP, INC. AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — CONTINUED

F.    Derivatives

As discussed under “Derivatives” in Note A — “Accounting Policies,” 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):

		December 31, 2020				December 31, 2019
Derivative	Balance Sheet Line	Asset		Liability		Asset		Liability
MBS with embedded derivatives	Fixed maturities	$	174	$	—	$	102	$	—
Public company warrants	Equity securities	—		—		—		—
Fixed-indexed and variable-indexed annuities (embedded derivative)	Annuity benefits accumulated	—		3,933		—		3,730
Equity index call options	Equity index call options	825		—		924		—
Equity index put options	Other liabilities	—		5		—		1
Reinsurance contract (embedded derivative)	Other liabilities	—		5		—		4
		$	999	$	3,943	$	1,026	$	3,735

The MBS with embedded derivatives consist of primarily interest-only and principal-only MBS. 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 overall 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 are required to be carried at fair value through earnings.

AFG’s fixed-indexed and variable-indexed annuities provide policyholders with a crediting rate tied, in part, to the performance of an existing stock market or other financial index. AFG attempts to mitigate the risk in the index-based component of these products through the purchase and sale of call and put options on the appropriate index. AFG receives collateral from certain counterparties to support its purchased call option assets (net of collateral required under put option contracts with the same counterparties). This collateral ($351 million at December 31, 2020 and $577 million at December 31, 2019) 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 the net change in the fair value of the call option assets and put option liabilities will generally offset the economic change in the net liability from the index participation. Both the index-based component of the annuities (an embedded derivative) and the related call and put options are considered derivatives that must be adjusted for changes in fair value 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. Fluctuations in certain of these factors, such as changes in interest rates and the performance of the stock market, are not economic in nature for the current reporting period, but rather impact the timing of reported results.

As discussed under “Reinsurance” in Note A, AFG has a life business reinsurance contract that is considered to contain an embedded derivative.

F-30

AMERICAN FINANCIAL GROUP, INC. AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — CONTINUED

The following table summarizes the gains (losses) included in AFG’s Statement of Earnings for changes in the fair value of derivatives that do not qualify for hedge accounting for 2020, 2019 and 2018 (in millions):

Derivative	Statement of Earnings Line	2020		2019		2018
MBS with embedded derivatives	Realized gains (losses) on securities	$	(3)	$	10	$	(7)
Public company warrants	Realized gains (losses) on securities	—		(1)		(3)
Fixed-indexed and variable-indexed annuities (embedded derivative) (*)	Annuity benefits	(283)		(919)		204
Equity index call options	Annuity benefits	223		804		(298)
Equity index put options	Annuity benefits	3		2		(1)
Reinsurance contracts (embedded derivative)	Net investment income	(1)		(2)		2
		$	(61)	$	(106)	$	(103)

(*)The change in fair value of the embedded derivative includes a favorable adjustment related to the unlocking of actuarial assumptions of $240 million in 2020 and $181 million in 2019 and losses of $44 million in 2018.

Derivatives Designated and Qualifying as Cash Flow Hedges   As of December 31, 2020, Great American Life Insurance (“GALIC”), AFG’s principal annuity subsidiary, has nine active interest rate swaps that are designated and qualify as highly effective cash flow hedges to mitigate interest rate risk related to certain floating-rate securities included in GALIC’s portfolio of fixed maturity securities. The purpose of each of these swaps is to effectively convert a portion of GALIC’s floating-rate fixed maturity securities to fixed rates by offsetting the variability in cash flows attributable to changes in short-term LIBOR.

Under the terms of the swaps, GALIC receives fixed-rate interest payments in exchange for variable interest payments based on short-term LIBOR. The notional amounts of the interest rate swaps generally decline over each swap’s respective life (the swaps expire between December 2023 and June 2030) in anticipation of the expected decline in GALIC’s portfolio of fixed maturity securities with floating interest rates based on short-term LIBOR. The total outstanding notional amount of GALIC’s interest rate swaps was $1.63 billion at December 31, 2020 compared to $1.98 billion at December 31, 2019, reflecting the scheduled amortization discussed above, the termination of a swap with a total notional amount of $83 million in the first quarter of 2020, the termination of two swaps with a total notional amount of $166 million in the second quarter 2020 and the expiration of a swap with a notional amount of $44 million in the second quarter 2020. The fair value of the interest rate swaps in an asset position and included in other assets was $102 million at December 31, 2020 and $50 million at December 31, 2019. The fair value of the interest rate swaps in a liability position and included in other liabilities was zero at December 31, 2020 and $5 million at December 31, 2019. The net unrealized gain or loss on cash flow hedges is included in AOCI, net of DPAC and deferred taxes. Amounts reclassified from AOCI (before DPAC and taxes) to net investment income were income of $40 million in 2020, $3 million in 2019 and losses of $3 million in 2018. A collateral receivable supporting these swaps of $2 million at December 31, 2020 and $20 million at December 31, 2019 is included in other assets in AFG’s Balance Sheet.

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G.    Deferred Policy Acquisition Costs

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

	P&C		Annuity and Run-off
	Deferred		Deferred		Sales										Consolidated
	Costs		Costs		Inducements		PVFP		Subtotal		Unrealized (*)		Total		Total
Balance at December 31, 2017	$	270	$	1,217	$	102	$	49	$	1,368	$	(422)	$	946	$	1,216
Additions	675		263		2		—		265		—		265		940
Amortization:
Periodic amortization	(644)		(238)		(19)		(7)		(264)		—		(264)		(908)
Annuity unlocking	—		29		—		—		29		—		29		29
Included in realized gains	—		14		1		—		15		—		15		15
Foreign currency translation	(2)		—		—		—		—		—		—		(2)
Change in unrealized	—		—		—		—		—		392		392		392
Balance at December 31, 2018	299		1,285		86		42		1,413		(30)		1,383		1,682
Additions	744		206		2		—		208		—		208		952
Amortization:
Periodic amortization	(721)		(120)		(13)		(6)		(139)		—		(139)		(860)
Annuity unlocking	—		(76)		(1)		—		(77)		—		(77)		(77)
Included in realized gains	—		8		1		—		9		—		9		9
Foreign currency translation	—		—		—		—		—		—		—		—
Change in unrealized	—		—		—		—		—		(669)		(669)		(669)
Balance at December 31, 2019	322		1,303		75		36		1,414		(699)		715		1,037
Additions	547		154		2		—		156		—		156		703
Amortization:
Periodic amortization	(615)		(127)		(9)		(6)		(142)		—		(142)		(757)
Annuity unlocking	—		(118)		4		—		(114)		—		(114)		(114)
Included in realized gains	—		(42)		1		—		(41)		—		(41)		(41)
Foreign currency translation	—		—		—		—		—		—		—		—
Other	(10)		—		—		—		—		—		—		(10)
Change in unrealized	—		—		—		—		—		(272)		(272)		(272)
Balance at December 31, 2020	$	244	$	1,170	$	73	$	30	$	1,273	$	(971)	$	302	$	546

(*)Adjustments to DPAC related to net unrealized gains/losses on securities and cash flow hedges.

The present value of future profits (“PVFP”) amounts in the table above are net of $160 million and $154 million of accumulated amortization at December 31, 2020 and 2019, respectively. During each of the next five years, the PVFP is expected to decrease at a rate of approximately one-seventh of the balance at the beginning of each respective year.

H.    Managed Investment Entities

AFG is the investment manager and its subsidiaries have investments ranging from 15.0% to 100.0% of the most subordinate debt tranche of twelve active collateralized loan obligation entities (“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 2012 and 2020, 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 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.

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AFG’s maximum exposure to economic loss on the CLOs that it manages is limited to its investment in those CLOs, which had an aggregate fair value of $200 million (including $111 million invested in the most subordinate tranches) at December 31, 2020, and $165 million at December 31, 2019.

In 2020, AFG formed a new CLO, which issued $303 million face amount of liabilities (including $31 million face amount purchased by subsidiaries of AFG). During 2020, AFG subsidiaries purchased $57 million face amount of senior and subordinate tranches of existing CLOs for $39 million and received $2 million in sale and redemption proceeds from its CLO investments. During 2019, AFG subsidiaries received less than $1 million in redemption proceeds from their CLO investments. In 2018, AFG formed a new CLO, which issued $463 million face amount of liabilities (including $31 million face amount purchased by subsidiaries of AFG). During 2018, AFG subsidiaries also purchased $7 million face amount of a senior debt tranche of an existing CLO for $7 million and received $45 million in sale and redemption proceeds from its CLO investments. In 2018, two AFG CLOs were substantially liquidated, as permitted by the CLO indentures.

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

	Year ended December 31,
	2020		2019		2018
Investment in CLO tranches	$	200	$	165	$	188
Gains (losses) on change in fair value of assets/liabilities (a):
Assets	(69)		80		(189)
Liabilities	30		(110)		168
Management fees paid to AFG	15		15		16
CLO earnings attributable to AFG Shareholders (b)	(2)		4		7

(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 $150 million and $146 million at December 31, 2020 and 2019, respectively. The aggregate unpaid principal balance of the CLOs’ debt exceeded its carrying value by $141 million and $129 million at those dates. The CLO assets include loans with an aggregate fair value of $11 million at December 31, 2020 and $10 million at December 31, 2019, for which the CLOs are not accruing interest because the loans are in default (aggregate unpaid principal balance of $28 million at December 31, 2020 and $25 million at December 31, 2019).

In addition to the CLOs that it manages, AFG had investments in CLOs that are managed by third parties (therefore not consolidated), which are included in available for sale fixed maturity securities and had a fair value of $4.55 billion at December 31, 2020 and $4.28 billion at December 31, 2019.

I.    Goodwill and Other Intangibles

Changes in the carrying value of goodwill during 2018, 2019 and 2020, by reporting segment, are presented in the following table (in millions):

	Property and Casualty		Annuity		Total
Balance at January 1, 2018	$	168	$	31	$	199
Acquisition of subsidiary in 2018	8		—		8
Balance at December 31, 2018, 2019 and 2020	$	176	$	31	$	207

Goodwill increased by $8 million in the fourth quarter of 2018 due to the purchase of ABAIS as discussed in Note B — “Acquisitions and Sale of Businesses.”

Included in other assets in AFG’s Balance Sheet is $34 million at December 31, 2020 and $43 million at December 31, 2019 of amortizable intangible assets related to property and casualty insurance acquisitions. These amounts are net of accumulated amortization of $62 million and $50 million, respectively. Amortization of intangibles was $12 million in 2020,

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$11 million in 2019 and $9 million in 2018. Future amortization of intangibles (weighted average amortization period of 3 years) is estimated to be $6 million in 2021, $4 million per year in 2022, 2023, 2024 and 2025 and $12 million thereafter.

J.    Long-Term Debt

Long-term debt consisted of the following at December 31 (in millions):

	2020						2019
	Principal		Discount and Issue Costs		Carrying Value		Principal		Discount and Issue Costs		Carrying Value
Direct Senior Obligations of AFG:
4.50% Senior Notes due June 2047	$	590	$	(2)	$	588	$	590	$	(2)	$	588
3.50% Senior Notes due August 2026	425		(3)		422		425		(3)		422
5.25% Senior Notes due April 2030	300		(6)		294		—		—		—
Other	3		—		3		3		—		3
	1,318		(11)		1,307		1,018		(5)		1,013
Direct Subordinated Obligations of AFG:
4.50% Subordinated Debentures due September 2060	200		(5)		195		—		—		—
5.125% Subordinated Debentures due December 2059	200		(6)		194		200		(6)		194
5.625% Subordinated Debentures due June 2060	150		(4)		146		—		—		—
5.875% Subordinated Debentures due March 2059	125		(4)		121		125		(4)		121
6% Subordinated Debentures due November 2055	—		—		—		150		(5)		145
	675		(19)		656		475		(15)		460
	$	1,993	$	(30)	$	1,963	$	1,493	$	(20)	$	1,473

AFG has no scheduled principal payments on its long-term debt in the next five years.

In September 2020, AFG issued $200 million in 4.50% Subordinated Debentures due in September 2060. The net proceeds of this offering were used, in part, to redeem AFG’s $150 million in 6% Subordinated Debentures due in November 2055 at par value on November 15, 2020.

In April and May 2020, AFG issued $300 million in 5.25% Senior Notes due in April 2030 and $150 million in 5.625% Subordinated Debentures due in June 2060, respectively. The net proceeds of these offerings were used for general corporate purposes, which included repurchases of outstanding common shares.

In December 2019, AFG issued $200 million in 5.125% Subordinated Debentures due in December 2059. The net proceeds of the offering were used, in part, to redeem AFG’s $150 million of 6-1/4% Subordinated Debentures due in September 2054 at par value in December 2019.

In March 2019, AFG issued $125 million in 5.875% Subordinated Debentures due in March 2059.

In December 2020, AFG replaced its existing credit facility with a new five-year, $500 million revolving credit facility which expires in December 2025. 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 December 31, 2020 or under AFG’s previous credit facility at December 31, 2019.

Cash interest payments on long-term debt were $83 million in 2020, $65 million in 2019 and $59 million in 2018.

K.    Leases

AFG and its subsidiaries lease real estate that is primarily used for office space and, to a lesser extent, equipment under operating lease arrangements. Most of AFG’s real estate leases include an option to extend or renew the lease term at AFG’s option. The operating lease liability includes lease payments related to options to extend or renew the lease term if AFG is reasonably certain of exercising those options. Lease payments are discounted using the implicit discount rate in the lease. If the implicit discount rate for the lease cannot be readily determined, AFG uses an estimate of its incremental

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secured borrowing rate. AFG did not have any material contracts accounted for as finance leases at December 31, 2020 or December 31, 2019.

AFG’s operating lease right-of-use asset (net of deferred rent and lease incentives) and operating lease liability are included in other assets and other liabilities, respectively, in AFG’s Balance Sheet at December 31 and are presented in the following table (in millions):

	2020		2019
Right-of-use asset (*)	$	139	$	158
Lease liability	159		180

(*)Net of deferred rent and lease incentives of $20 million at December 31, 2020 and $22 million at December 31, 2019.

The following table details AFG’s lease activity for the years ended December 31, 2020 and December 31, 2019 (in millions):

	2020		2019
Lease expense:
Operating leases	$	47	$	46
Short-term leases	—		1
Total lease expense	$	47	$	47

Other operating lease information for the years ended December 31, 2020 and December 31, 2019 (in millions):

	2020		2019
Cash paid for lease liabilities reported in operating cash flows	$	50	$	49
Right-of-use assets obtained under new leases	25		19

The following table presents the undiscounted contractual maturities of AFG’s operating lease liability at December 31, 2020 (in millions):

Operating lease payments:
2021	$	43
2022	35
2023	29
2024	23
2025	20
Thereafter	28
Total lease payments	178
Impact of discounting	(19)
Operating lease liability	$	159

Weighted-average remaining lease term	5.4 years
Weighted-average discount rate	3.9	%

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L.    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.

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. At December 31, 2020, there were 3.9 million shares of AFG Common Stock reserved for issuance under AFG’s stock incentive plans.

The restricted Common Stock that AFG has granted generally vests over a four-year period. Data relating to grants of restricted stock is presented below:

	Shares	Average Grant Date Fair Value
Outstanding at January 1, 2020	919,935	$	91.10
Granted	227,867	$	104.15
Vested	(285,888)	$	67.65
Forfeited	(43,681)	$	101.97
Outstanding at December 31, 2020	818,233	$	101.65

The total fair value of restricted stock that vested during 2020, 2019 and 2018 was $19 million, $11 million and $10 million, respectively.

AFG has not granted any stock options since 2015. Options granted in prior years have an exercise price equal to the market price of AFG Common Stock at the date of grant. Options generally became exercisable at the rate of 20% per year commencing one year after grant and expire ten years after the date of grant.

Data for stock options issued under AFG’s stock incentive plans is presented below:

	Shares	Average Exercise Price		Average Remaining Contractual Term	Aggregate Intrinsic Value (in millions)
Outstanding at January 1, 2020	1,917,790	$	50.93
Exercised	(328,471)	$	43.69
Forfeited/Cancelled	(225)	$	63.15
Outstanding at December 31, 2020	1,589,094	$	52.43	2.8 years	$	56
Options exercisable at December 31, 2020	1,589,094	$	52.43	2.8 years	$	56

The total intrinsic value of options exercised during 2020, 2019 and 2018 was $17 million, $46 million and $57 million, respectively. During 2020, 2019 and 2018, AFG received $14 million, $31 million and $29 million, respectively, in cash from the exercise of stock options. The total tax benefit related to the exercises was $3 million, $8 million and $9 million during those years, respectively.

Total compensation expense related to stock incentive plans of AFG and its subsidiaries was $20 million for 2020 and $23 million for 2019 and 2018. AFG’s provision for income tax includes tax benefits of $9 million in 2020 and $13 million in 2019 and 2018 related to AFG’s stock incentive plans. At December 31, 2020, there was $35 million of unrecognized compensation expense related to restricted stock awards, which is expected to be recognized over a weighted average of 2.5 years. At December 31, 2020, there was no unrecognized compensation expense related to unvested stock options.

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):

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			Other Comprehensive Income (Loss)
	AOCI Beginning Balance		Pretax		Tax		Net of tax		Attributable to noncontrolling interests		Attributable to shareholders		Other (b)		AOCI Ending Balance
Year ended December 31, 2020
Net unrealized gains (losses) on securities:
Unrealized holding gains on securities arising during the period			$	887	$	(187)	$	700	$	—	$	700
Reclassification adjustment for realized (gains) losses included in net earnings (a)			(389)		82		(307)		—		(307)
Total net unrealized gains (losses) on securities	$	862	498		(105)		393		—		393		$	—	$	1,255
Net unrealized gains (losses) on cash flow hedges	17		30		(6)		24		—		24		—		41
Foreign currency translation adjustments	(9)		(1)		—		(1)		(2)		(3)		(4)		(16)
Pension and other postretirement plans adjustments	(7)		—		—		—		—		—		—		(7)
Total	$	863	$	527	$	(111)	$	416	$	(2)	$	414	$	(4)	$	1,273
Year ended December 31, 2019
Net unrealized gains on securities:
Unrealized holding gains on securities arising during the period			$	997	$	(209)	$	788	$	—	$	788
Reclassification adjustment for realized (gains) losses included in net earnings (a)			(11)		2		(9)		—		(9)
Total net unrealized gains on securities	$	83	986		(207)		779		—		779		$	—	$	862
Net unrealized gains (losses) on cash flow hedges	(11)		36		(8)		28		—		28		—		17
Foreign currency translation adjustments	(16)		7		—		7		—		7		—		(9)
Pension and other postretirement plans adjustments	(8)		1		—		1		—		1		—		(7)
Total	$	48	$	1,030	$	(215)	$	815	$	—	$	815	$	—	$	863
Year ended December 31, 2018
Net unrealized gains (losses) on securities:
Unrealized holding losses on securities arising during the period			$	(689)	$	145	$	(544)	$	—	$	(544)
Reclassification adjustment for realized (gains) losses included in net earnings (a)			10		(2)		8		—		8
Total net unrealized gains (losses) on securities	$	840	(679)		143		(536)		—		(536)		$	(221)	$	83
Net unrealized gains (losses) on cash flow hedges	(13)		2		—		2		—		2		—		(11)
Foreign currency translation adjustments	(6)		(9)		(1)		(10)		—		(10)		—		(16)
Pension and other postretirement plans adjustments	(8)		—		—		—		—		—		—		(8)
Total	$	813	$	(686)	$	142	$	(544)	$	—	$	(544)	$	(221)	$	48

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

OCI component	Affected line in the statement of earnings
Pretax	Realized gains (losses) on securities
Tax	Provision (credit) for income taxes

(b)On January 1, 2018, AFG adopted new guidance that requires all equity securities other than those accounted for under the equity method to be reported at fair value with holding gains and losses recognized in net earnings. At the date of adoption, the $221 million net unrealized gain on equity securities classified as available for sale (with unrealized holding gains and losses reported in AOCI) under the prior guidance was reclassified from AOCI to retained earnings as the cumulative effect of an accounting change.

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M.    Income Taxes

The following is a reconciliation of income taxes at the statutory rate of 21% to the provision for income taxes as shown in AFG’s Statement of Earnings (dollars in millions):

	2020				2019				2018
	Amount		% of EBT		Amount		% of EBT		Amount		% of EBT
Earnings before income taxes (“EBT”)	$	848			$	1,108			$	639
Income taxes at statutory rate	$	178	21	%	$	233	21	%	$	134	21	%
Effect of:
Tax exempt interest	(12)		(1	%)	(14)		(1	%)	(13)		(2	%)
Stock-based compensation	(4)		—	%	(8)		(1	%)	(8)		(1	%)
Dividend received deduction	(3)		—	%	(4)		—	%	(4)		(1	%)
Adjustment to prior year taxes	(1)		—	%	(3)		—	%	(8)		(1	%)
Employee stock ownership plan dividend paid deduction	(2)		—	%	(2)		—	%	(3)		(1	%)
Tax benefit related to sale of Neon	(72)		(8	%)	—		—	%	—		—	%
Change in valuation allowance	(117)		(14	%)	17		2	%	11		2	%
Foreign operations	149		18	%	4		—	%	(2)		—	%
Nondeductible expenses	5		1	%	8		1	%	7		1	%
Other	6		(2	%)	8		—	%	8		1	%
Provision for income taxes as shown in the statement of earnings	$	127	15	%	$	239	22	%	$	122	19	%

On December 31, 2020, AFG completed the sale of the legal entities that own Neon Underwriting Limited (“Neon”, formerly known as Marketform Group Limited), a United Kingdom-based Lloyd’s insurer (see Note B — “Acquisitions and Sale of Businesses”), which resulted in a taxable loss for U.S. tax purposes. AFG recorded a $72 million tax benefit associated with this loss in 2020. Approximately $65 million of the $72 million tax benefit reduced current taxes payable while the remaining tax benefit will be received from the carry-back of the tax-basis capital loss to offset capital gains in prior tax years.

Due to uncertainty concerning the realization of the deferred tax benefits associated with losses incurred at Neon and its predecessor, Marketform, AFG maintained a full valuation allowance against the deferred tax assets related to the Lloyd’s insurance business. The effect of foreign operations and change in valuation allowance in 2020 in the table above reflect the transfer of the deferred tax assets related to Neon, to the buyer at closing, and the corresponding reduction in the valuation allowance. The changes in valuation allowance in 2019 and 2018 are primarily increases in the valuation allowance on tax benefits related to losses in the Neon Lloyd’s insurance business.

Excluding the impact of the $72 million tax benefit on the sale and other impacts of Neon in 2020, AFG’s effective tax rate for the year ended December 31, 2020, was 21%.

Since almost all of AFG’s earnings are taxable based on U.S. tax rates, the Global Intangible Low-taxed Income (“GILTI”) provision is not expected to be material to AFG’s results of operations and will be recorded in the period that any tax arises.

AFG’s 2013 — 2020 tax years remain subject to examination by the IRS.

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Total earnings before income taxes include losses subject to tax in foreign jurisdictions of $131 million in 2020, $109 million in 2019 and $69 million in 2018, primarily related to the Neon Lloyd’s operations.

The total income tax provision consists of (in millions):

	2020		2019		2018
Current taxes:
Federal	$	101	$	250	$	196
State	6		10		8
Foreign	3		2		—
Deferred taxes:
Federal	17		(23)		(82)
Provision for income taxes	$	127	$	239	$	122

For income tax purposes, AFG and its subsidiaries had the following carryforwards available at December 31, 2020 (in millions):

	Expiring	Amount
Operating Loss – U.S.	2021 - 2022	$	69
Operating Loss – United Kingdom	indefinite	34		(*)

(*)£25 million

Deferred income tax assets and liabilities reflect temporary differences between the carrying amounts of assets and liabilities recognized for financial reporting purposes and the amounts recognized for tax purposes. The significant components of deferred tax assets and liabilities included in AFG’s Balance Sheet at December 31 were as follows (in millions):

	2020						2019
	Excluding Unrealized Gains		Impact of Unrealized Gains		Total		Excluding Unrealized Gains		Impact of Unrealized Gains		Total
Deferred tax assets:
Federal net operating loss carryforwards	$	15	$	—	$	15	$	19	$	—	$	19
Foreign underwriting losses	6		—		6		118		—		118
Capital loss carryforwards	7		—		7		—		—		—
Insurance claims and reserves	772		68		840		829		46		875
Employee benefits	104		—		104		93		—		93
Other, net	50		(2)		48		45		(2)		43
Total deferred tax assets before valuation allowance	954		66		1,020		1,104		44		1,148
Valuation allowance against deferred tax assets	(29)		—		(29)		(140)		—		(140)
Total deferred tax assets	925		66		991		964		44		1,008
Deferred tax liabilities:
Investment securities	(167)		(596)		(763)		(140)		(416)		(556)
Deferred policy acquisition costs	(267)		196		(71)		(293)		143		(150)
Insurance claims and reserves transition liability	(77)		—		(77)		(93)		—		(93)
Real estate, property and equipment	(37)		—		(37)		(35)		—		(35)
Total deferred tax liabilities	(548)		(400)		(948)		(561)		(273)		(834)
Net deferred tax asset (liability)	$	377	$	(334)	$	43	$	403	$	(229)	$	174

AFG’s net deferred tax asset at December 31, 2020 and 2019 is included in other assets in AFG’s Balance Sheet. The decrease in AFG’s net deferred tax asset at December 31, 2020 compared to December 31, 2019 reflects higher pretax unrealized gains on securities.

The likelihood of realizing deferred tax assets is reviewed periodically; any adjustments required to the valuation allowance are made in the period during which developments requiring an adjustment become known.

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AMERICAN FINANCIAL GROUP, INC. AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — CONTINUED

The gross deferred tax asset has been reduced by a $15 million valuation allowance related to AFG’s net operating loss carryforwards (“NOL”) subject to the separate return limitation year (“SRLY”) tax rules. A SRLY NOL can be used only by the entity that created it and only in years that both it and the consolidated group have taxable income. Approximately $23 million of AFG’s SRLY NOLs expired unutilized at December 31, 2020. Since AFG maintains a full valuation allowance against its SRLY NOLs, the expiration of these loss carryforwards was offset by corresponding reduction in the valuation allowance and had no overall impact on AFG’s income tax expense or results of operations. “Foreign underwriting losses” in 2019 in the table above is primarily the net operating loss carryforward and other deferred tax assets related to the Neon Lloyd’s insurance business, which was sold in December 2020. Due to uncertainty concerning the realization of the deferred tax benefits associated with these losses, AFG maintained a full valuation allowance of $118 million against these deferred tax assets at December 31, 2019.

At December 31, 2020 and December 31, 2019, there are no unrecognized tax benefits and related interest and penalties that, if recognized, would impact the effective tax rate. There is no interest expense related to unrecognized tax benefits included in AFG’s provision for income taxes in 2020 or 2019; AFG’s provision for income taxes in 2018 included interest expense related to unrecognized tax benefits of less than $1 million (net of federal benefit or expense). There is no liability for interest related to unrecognized tax benefits at December 31, 2020 or December 31, 2019. There were no penalties related to unrecognized tax benefits included in AFG’s provision for income taxes in 2020. AFG’s provision for income taxes in 2019 and 2018 included penalties of less than $1 million in each year. There is no liability for penalties related to unrecognized tax benefits at December 31, 2020 or December 31, 2019.

Cash payments for income taxes, net of refunds, were $179 million, $278 million and $156 million for 2020, 2019 and 2018, respectively.

N.    Contingencies

Establishing property and casualty insurance reserves for claims related to environmental exposures, asbestos and other mass tort claims is subject to uncertainties that are significantly greater than those presented by other types of claims. For this group of claims, traditional actuarial techniques that rely on historical loss development trends cannot be used and a range of reasonably possible losses cannot be estimated. In addition, accruals (included in other liabilities) have been recorded for various environmental and occupational injury and disease claims and other contingencies arising out of the railroad operations disposed of by American Premier’s predecessor, Penn Central Transportation Company (“PCTC”) and its subsidiaries, prior to its bankruptcy reorganization in 1978 and certain manufacturing operations disposed of by American Premier and Great American Financial Resources, Inc. (“GAFRI”).

AFG completed a comprehensive external study of its asbestos and environmental (“A&E”) exposures in the third quarter of 2020 with the aid of specialty actuarial, engineering and consulting firms and outside counsel. The study resulted in special A&E charges of $47 million for the property and casualty group and $21 million for the former railroad and manufacturing operations. AFG completed an in-depth internal review of its A&E exposures in the third quarter of 2019. The review resulted in special A&E charges of $18 million for the property and casualty group and $11 million for the former railroad and manufacturing operations. AFG also completed an in-depth internal review of its A&E exposures in the third quarter of 2018, which resulted in special A&E charges of $18 million for the property and casualty group and $9 million for the former railroad and manufacturing operations.

The property and casualty group’s liability for A&E reserves was $572 million at December 31, 2020; related recoverables from reinsurers (net of allowances for doubtful accounts) at that date were $150 million.

At December 31, 2020, American Premier and its subsidiaries had liabilities for environmental and personal injury claims and other contingencies aggregating $94 million. The environmental claims consist of a number of proceedings and claims seeking to impose responsibility for hazardous waste remediation costs related to certain sites formerly owned or operated by the railroad and manufacturing operations. Remediation costs are difficult to estimate for a number of reasons, including the number and financial resources of other potentially responsible parties, the range of costs for remediation alternatives, changing technology and the time period over which these matters develop. The personal injury claims and other contingencies include pending and expected claims, primarily by former employees of PCTC, for injury or disease allegedly caused by exposure to excessive noise, asbestos or other substances in the workplace and other labor disputes.

At December 31, 2020, GAFRI had a liability of $7 million for environmental costs and certain other matters associated with the sales of its former manufacturing operations.

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AMERICAN FINANCIAL GROUP, INC. AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — CONTINUED

In December 2015, AFG completed the sale of substantially all of its run-off long-term care insurance business to HC2 Holdings, Inc. (“HC2”). In connection with obtaining regulatory approval for the transaction, AFG agreed to provide up to an aggregate of $35 million of capital support for the insurance companies, on an as-needed basis to maintain specified surplus levels, subject to immediate reimbursement by HC2 through a five-year capital maintenance agreement. AFG was released of any obligation to perform under this agreement in the first quarter of 2020.

While management believes AFG has recorded adequate reserves for the items discussed above, the outcome is uncertain and could result in liabilities that may vary from amounts AFG has currently recorded. Such amounts could have a material effect on AFG’s future results of operations and financial condition.

In addition, AFG and its subsidiaries are involved in litigation from time to time, generally arising in the ordinary course of business. This litigation may include, but is not limited to, general commercial disputes, lawsuits brought by policyholders, employment matters, reinsurance collection matters and actions challenging certain business practices of insurance subsidiaries. None of these matters are expected to have a material adverse impact on AFG’s results of operations or financial condition.

O.    Quarterly Operating Results (Unaudited)

The operations of certain AFG business segments are seasonal in nature. While insurance premiums are recognized on a relatively level basis, claim losses related to adverse weather (snow, hail, hurricanes, severe storms, tornadoes, etc.) may be seasonal. The profitability of AFG’s crop insurance business is primarily recognized during the second half of the year as crop prices and yields are determined. Quarterly results necessarily rely heavily on estimates. These estimates and certain other factors, such as the discretionary sales of assets, cause the quarterly results not to be necessarily indicative of results for longer periods of time.

The following are quarterly results of consolidated operations for the two years ended December 31, 2020 (in millions, except per share amounts). Quarterly earnings per share do not add to year-to-date amounts due to changes in shares outstanding.

	1st Quarter		2nd Quarter		3rd Quarter		4th Quarter		Total Year
2020
Revenues	$	1,275	$	1,951	$	2,060	$	2,623	$	7,909
Net earnings (loss), including noncontrolling interests	(304)		167		164		694		721
Net earnings (loss) attributable to shareholders	(301)		177		164		692		732
Earnings (loss) attributable to shareholders per Common Share:
Basic	$	(3.34)	$	1.98	$	1.86	$	7.99	$	8.25
Diluted	(3.34)		1.97		1.86		7.93		8.20
Average number of Common Shares:
Basic	90.3		89.7		88.2		86.6		88.7
Diluted	90.3		90.0		88.5		87.2		89.2
2019
Revenues	$	2,024	$	1,960	$	2,123	$	2,130	$	8,237
Net earnings (losses), including noncontrolling interests	326		209		143		191		869
Net earnings (losses) attributable to shareholders	329		210		147		211		897
Earnings (losses) attributable to shareholders per Common Share:
Basic	$	3.68	$	2.34	$	1.64	$	2.33	$	9.98
Diluted	3.63		2.31		1.62		2.31		9.85
Average number of Common Shares:
Basic	89.4		89.7		90.0		90.2		89.9
Diluted	90.7		91.0		91.1		91.3		91.0

F-41

AMERICAN FINANCIAL GROUP, INC. AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — CONTINUED

Pretax realized gains (losses) on securities were as follows (in millions):

	1st Quarter		2nd Quarter		3rd Quarter		4th Quarter		Total Year
2020 — change in fair value of equity securities	$	(535)	$	202	$	30	$	207	$	(96)
2020 — other realized gains (losses)	(16)		2		15		384		385
2019 — change in fair value of equity securities	182		44		(15)		67		278
2019 — other realized gains (losses)	2		12		(3)		(2)		9

Other realized gains in the fourth quarter of 2020 includes realized gains of $369 million (net of DPAC) on investments disposed of in AFG’s annuity block reinsurance transaction.

Net investment income, which includes mark-to-market income/(losses) on alternative investments (partnerships and similar investments), was as follows (in millions):

	1st Quarter		2nd Quarter		3rd Quarter		4th Quarter		Total Year
2020 — net investment income before alternative investments	$	511	$	520	$	511	$	465	$	2,007
2020 — alternative investments	33		(52)		61		83		125
2019 — net investment income before alternative investments	516		531		531		545		2,123
2019 — alternative investments	26		49		57		48		180

The decline in net investment income before alternative investments in the fourth quarter of 2020 reflects primarily the disposition of fixed maturity investments in October 2020 related to the block reinsurance transaction.

FIAs provide policyholders with a crediting rate tied, in part, to the performance of an existing stock market or other financial index. AFG attempts to mitigate the risk in the index-based component of these products through the purchase and sale of call and put options on the appropriate index. AFG’s strategy is designed so that the change in the fair value of the call and put options will generally offset the economic change in the liabilities from the index participation. Both the index-based component of the annuities and the related call and put options are considered derivatives that must be marked-to-market through earnings each period. Fluctuations in interest rates and the stock market, among other factors, can cause volatility in the periodic measurement of these derivatives and other FIA liabilities over or under the cost of the equity index options purchased to mitigate the risk in the index-based component of those FIAs.

The impact of unlocking, changes in the fair value of derivatives related to FIAs, and other impacts of changes in the stock market and interest rates on the accounting for FIAs over or under the cost of the equity index options purchased to mitigate the risk in the index-based component of those FIAs, and beginning with the fourth quarter of 2020, the impact of the block reinsurance transaction entered into in October 2020 were as follows, net of the related acceleration/deceleration of the amortization of deferred policy acquisition costs and deferred sales inducements (in millions):

	1st Quarter		2nd Quarter		3rd Quarter		4th Quarter		Total Year
2020	$	(38)	$	(59)	$	(43)	$	(48)	$	(188)
2019	(11)		(33)		(27)		24		(47)

Favorable prior year development of AFG’s liability for property and casualty losses and loss adjustment expenses (”LAE”) was as follows (in millions):

	1st Quarter		2nd Quarter		3rd Quarter		4th Quarter		Total Year
2020	$	42	$	77	$	—	$	8	$	127
2019	45		41		12		45		143

Prior year development in the third quarters of 2020 and 2019 includes pretax special charges of $47 million and $18 million, respectively, to strengthen property and casualty insurance A&E reserves.

F-42

AMERICAN FINANCIAL GROUP, INC. AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — CONTINUED

AFG’s property and casualty operations recorded catastrophe losses, including reinstatement premiums, as follows (in millions):

	1st Quarter		2nd Quarter		3rd Quarter		4th Quarter		Total Year
2020	$	(9)	$	(26)	$	(57)	$	(38)	$	(130)
2019	(12)		(12)		(22)		(15)		(61)

Catastrophe losses include $37 million and $13 million in 2020 and 2019, respectively, at Neon.

AFG’s property and casualty operations recorded $10 million and $105 million in COVID-19 related losses in the first and second quarters of 2020, respectively, which includes $20 million at Neon.

Results for the third quarter of 2020 and 2019 include pretax special charges of $21 million and $11 million, respectively, to strengthen reserves for A&E exposures related to AFG’s former railroad and manufacturing operations.

AFG recorded pretax losses on the retirement of debt of $5 million in both the fourth quarter 2020 and 2019, respectively.

P.    Insurance

Cash and securities owned by U.S.-based insurance subsidiaries, having a carrying value of approximately $1.12 billion at December 31, 2020, were on deposit as required by regulatory authorities. AFG and its subsidiaries had $308 million in undrawn letters of credit (none of which was collateralized) and similar agreements supporting Neon’s underwriting capacity, which were terminated in connection with the December 2020 sale of Neon.

Property and Casualty Insurance Reserves   Estimating the liability for unpaid losses and loss adjustment expenses (“LAE”) is inherently judgmental and is influenced by factors that are subject to significant variation. Determining the liability is a complex process incorporating input from many areas of the Company including actuarial, underwriting, pricing, claims and operations management.

The process used to determine the total reserve for liabilities involves estimating the ultimate incurred losses and LAE, adjusted for amounts already paid on the claims. The IBNR reserve is derived by first estimating the ultimate unpaid reserve liability and subtracting case reserves for loss and LAE.

In determining management’s best estimate of the ultimate liability, management (with the assistance of Company actuaries) considers items such as the effect of inflation on medical, hospitalization, material, repair and replacement costs, the nature and maturity of lines of insurance, general economic trends and the legal environment. In addition, historical trends adjusted for changes in underwriting standards, policy provisions, product mix and other factors are analyzed using actuarial reserve development techniques. Weighing all of the factors, the management team determines a single or “point” estimate that it records as its best estimate of the ultimate liability. Ranges of loss reserves are not developed by Company actuaries. This reserve analysis and review is completed each quarter and for almost every business within AFG’s property and casualty insurance sub-segments.

Each quarterly review includes in-depth analysis of several hundred subdivisions of the business, employing multiple actuarial techniques. For each subdivision, actuaries use informed, professional judgment to adjust these techniques as necessary to respond to specific conditions in the data or within the business.

Some of the standard actuarial methods employed for the quarterly reserve analysis may include (but may not be limited to):

•Case Incurred Development Method

•Paid Development Method

•Bornhuetter-Ferguson Method

•Incremental Paid LAE to Paid Loss Methods

Each method has particular strengths and weaknesses and no single estimation method is most accurate in all situations. When applied to a particular group of claims, the relative strengths and weaknesses of each method can change over time based on the facts and circumstances. Ultimately, the estimation methods chosen are those which the actuary believes produce the most reliable indication for the particular liabilities under review.

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AMERICAN FINANCIAL GROUP, INC. AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — CONTINUED

The period of time from the event triggering a claim through the settlement of the liability is referred to as the “tail”. Generally, the same actuarial methods are considered for both short-tail and long-tail lines of business because most of them work properly for both. The methods are designed to incorporate the effects of the differing length of time to settle particular claims. For nearly all lines of business, the actuaries rely heavily on the Bornhuetter-Ferguson method for more recent accident periods. As accident years mature and the underlying claim data becomes more credible, more weight is given to the Case Incurred and Paid Development methods. This transition occurs relatively quickly for short-tailed lines, and over a number of years for long-tail lines. Liability claims for long-tail lines are more susceptible to litigation and can be significantly affected by changing contract interpretation and the legal environment. Therefore, the estimation of loss reserves for these classes is more complex and subject to a higher degree of variability.

The level of detail in which data is analyzed varies among the different lines of business. Data is generally analyzed by major product or by coverage within product, using countrywide data; however, in some situations, data may be reviewed by state or region. Appropriate segmentation of the data is determined based on data credibility, homogeneity of development patterns, mix of business, and other actuarial considerations.

Supplementary statistical information is also reviewed to determine which methods are most appropriate to use or if adjustments are needed to particular methods. Such information includes:

•Open and closed claim counts

•Average case reserves and average incurred on open claims

•Closure rates and statistics related to closed and open claim percentages

•Average closed claim severity

•Ultimate claim severity

•Reported loss ratios

•Projected ultimate loss ratios

•Loss payment patterns

Within each business, results of individual methods are reviewed, supplementary statistical information is analyzed, and data from underwriting, operating and claim management are considered in deriving management’s best estimate of the ultimate liability. This estimate may be the result of one method, a weighted average of several methods, or a judgmental selection as the management team determines is appropriate.

The liability for losses and LAE for a very limited number of claims with long-term scheduled payments under certain workers’ compensation policies has been discounted at 3.5% at December 31, 2020 and 4.5% at December 31, 2019, which represents an approximation of long-term investment yields. Because of the limited amount of claims involved, the net impact of discounting did not materially impact AFG’s total liability for unpaid losses and loss adjustment expenses (net reductions from discounting of $9 million and $12 million at December 31, 2020 and 2019, respectively).

F-44

AMERICAN FINANCIAL GROUP, INC. AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — CONTINUED

The following table provides an analysis of changes in the liability for losses and loss adjustment expenses over the past three years (in millions):

	2020		2019		2018
Balance at beginning of period	$	10,232	$	9,741	$	9,678
Less reinsurance recoverables, net of allowance	3,024		2,942		2,957
Net liability at beginning of period	7,208		6,799		6,721
Provision for losses and LAE occurring in the current year	3,398		3,414		3,195
Net increase (decrease) in the provision for claims of prior years:
Special A&E charges	47		18		18
Neon exited lines	19		7		—
Other	(193)		(168)		(210)
Total losses and LAE incurred	3,271		3,271		3,003
Payments for losses and LAE of:
Current year	(990)		(1,076)		(963)
Prior years	(1,766)		(1,790)		(1,639)
Total payments	(2,756)		(2,866)		(2,602)
Reserves of businesses disposed (*)	(449)		—		(319)
Foreign currency translation and other	1		4		(4)
Net liability at end of period	7,275		7,208		6,799
Add back reinsurance recoverables, net of allowance	3,117		3,024		2,942
Gross unpaid losses and LAE included in the balance sheet	$	10,392	$	10,232	$	9,741

(*)Reflects the December 31, 2020 sale of Neon (see Note B — “Acquisitions and Sale of Businesses”) and the reinsurance to close transactions at Neon, which settled in early 2018 (discussed below).

The 2020 provision for losses and LAE occurring in the current year includes $115 million of COVID-19 related losses at AFG, including $20 million recorded by the Neon exited lines.

The net decrease in the provision for claims of prior years in 2020 reflects (i) lower than expected claim frequency and severity in the aviation, transportation and agricultural businesses (within the Property and transportation sub-segment), (ii) lower than anticipated claim severity in the workers’ compensation businesses and lower than anticipated claim frequency in the executive liability business (within the Specialty casualty sub-segment) and (iii) lower than anticipated claim frequency in the trade credit business and lower than anticipated claim frequency and severity in the financial institutions, fidelity and surety businesses (within the Specialty financial sub-segment). This favorable development was partially offset by (i) the $47 million special charge to increase asbestos and environmental reserves and adverse reserve development of $19 million on Neon’s exited lines of business, (ii) higher than expected claim frequency and severity in general liability contractor claims and the excess and surplus and excess liability businesses and higher than anticipated claim severity in the targeted markets businesses (within the Specialty casualty sub-segment), and (iii) net adverse reserve development related to business outside the Specialty group that AFG no longer writes..

The net decrease in the provision for claims of prior years in 2019 reflects (i) lower than expected claim frequency and severity at National Interstate and lower than expected losses in the crop business (all within the Property and transportation sub-segment), (ii) lower than anticipated claim frequency and severity in the workers’ compensation businesses (within the Specialty casualty sub-segment), and (iii) lower than expected claim frequency and severity in the surety and financial institutions businesses and lower than anticipated claim severity in the foreign credit business (all within the Specialty financial sub-segment). This favorable development was partially offset by (i) the $18 million special charge to increase asbestos and environmental reserves and adverse reserve development of $7 million on Neon’s exited lines of business, (ii) higher than expected claim severity in the excess and surplus lines businesses and higher than expected claim frequency in product liability contractor claims (all within the Specialty casualty sub-segment), and (iii) net adverse reserve development related to business outside the Specialty group that AFG no longer writes.

The net decrease in the provision for claims of prior years in 2018 reflects (i) lower than expected losses in the crop business and lower than expected claim severity at National Interstate (within the Property and transportation sub-segment), (ii) lower than anticipated claim severity in the workers’ compensation businesses, lower than expected emergence in assumed 2017 property catastrophe losses at Neon and lower than expected claim severity in the executive liability business (within the Specialty casualty sub-segment) and (iii) lower than expected claim frequency and severity in

F-45

AMERICAN FINANCIAL GROUP, INC. AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — CONTINUED

the surety business, lower than expected claim severity in the fidelity business and lower than expected claim frequency in run-off businesses (within the Specialty financial sub-segment). This favorable development was partially offset by (i) the $18 million special charge to increase asbestos and environmental reserves and (ii) higher than expected claim frequency and severity in the Singapore branch and aviation operations (within the Property and transportation sub-segment).

In December 2017, the Neon Lloyd’s syndicate entered into a reinsurance to close transaction for the 2015 and prior years of account, which settled in early 2018.

A reconciliation of incurred and paid claims development information to the aggregate carrying amount of the liability for unpaid losses and LAE, with separate disclosure of reinsurance recoverables on unpaid claims is shown below (in millions):

	2020
Unpaid losses and allocated LAE, net of reinsurance:
Specialty
Property and transportation	$	1,196
Specialty casualty	4,302
Specialty financial	247
Other specialty	377
Total Specialty (excluding foreign reserves)	6,122
Other reserves
Reserves for foreign operations	314
A&E reserves	422
Unallocated LAE	361
Other	56
Total other reserves	1,153
Total reserves, net of reinsurance	7,275
Add back reinsurance recoverables, net of allowance	3,117
Gross unpaid losses and LAE included in the balance sheet	$	10,392

F-46

AMERICAN FINANCIAL GROUP, INC. AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — CONTINUED

The following claims development tables and associated disclosures related to short-duration insurance contracts are prepared by sub-segment within the property and casualty insurance business for the most recent 10 accident years. AFG determines its claim counts at the claimant or policy feature level depending on the particular facts and circumstances of the underlying claim. While the methodology is generally consistent within each sub-segment, there are minor differences between and within the sub-segments. The methods used to summarize claim counts have not changed significantly over the time periods reported in the tables below.

Property and transportation
(Dollars in Millions)
	Incurred Claims and Allocated LAE, Net of Reinsurance																				As of December 31, 2020
	For the Years Ended (2011–2019 is Supplementary Information and Unaudited)																				Total IBNR Plus Expected Development on Reported Claims		Cumulative Number of Reported Claims
Accident Year	2011		2012		2013		2014		2015		2016		2017		2018		2019		2020
2011	$	811	$	799	$	813	$	827	$	837	$	850	$	846	$	844	$	843	$	843	$	4	138,334
2012			864		857		871		883		894		890		886		881		879		4		143,151
2013					882		870		872		878		878		877		873		871		7		138,925
2014							844		828		817		820		815		808		804		8		133,182
2015									818		784		779		777		777		772		15		134,875
2016											746		716		714		706		694		25		121,116
2017													889		847		843		823		39		140,549
2018															932		902		886		69		129,891
2019																	1,111		1,058		125		152,304
2020																			1,043		349		109,446
																	Total		$	8,673

	Cumulative Paid Claims and Allocated LAE, Net of Reinsurance
Accident Year	For the Years Ended (2011–2019 is Supplementary Information and Unaudited)
	2011		2012		2013		2014		2015		2016		2017		2018		2019		2020		% (a)
2011	$	365	$	667	$	727	$	771	$	803	$	821	$	829	$	833	$	834	$	835	99.1	%
2012			572		708		772		816		842		856		882		869		872		99.2	%
2013					438		702		760		804		831		847		858		860		98.7	%
2014							329		632		693		744		770		783		789		98.1	%
2015									359		582		667		707		736		744		96.4	%
2016											294		521		577		618		640		92.2	%
2017													379		640		696		735		89.3	%
2018															396		676		738		83.3	%
2019																	527		823		77.8	%
2020																			461		44.2	%
																	Total		$	7,497
							Unpaid losses and LAE — years 2011 through 2020												1,176
			Unpaid losses and LAE — 11th year and prior (excluding unallocated LAE)																20
			Unpaid losses and LAE, net of reinsurance (excluding unallocated LAE)																$	1,196

	Average Annual Percentage Payout of Incurred Claims by Age, Net of Reinsurance (Supplementary Information and Unaudited)
	Year 1		Year 2		Year 3		Year 4		Year 5		Year 6		Year 7		Year 8		Year 9		Year 10
Annual	47.3	%	30.2	%	7.7	%	5.3	%	3.3	%	1.6	%	1.5	%	(0.3	%)	0.2	%	0.1	%
Cumulative	47.3	%	77.5	%	85.2	%	90.5	%	93.8	%	95.4	%	96.9	%	96.6	%	96.8	%	96.9	%

(a)Represents the cumulative percentage paid of incurred claims and allocated LAE (net of reinsurance, as estimated at December 31, 2020).

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AMERICAN FINANCIAL GROUP, INC. AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — CONTINUED

Specialty casualty
(Dollars in Millions)
	Incurred Claims and Allocated LAE, Net of Reinsurance																				As of December 31, 2020
	For the Years Ended (2011–2019 is Supplementary Information and Unaudited)																				Total IBNR Plus Expected Development on Reported Claims		Cumulative Number of Reported Claims
Accident Year	2011		2012		2013		2014		2015		2016		2017		2018		2019		2020
2011	$	852	$	849	$	839	$	848	$	834	$	828	$	826	$	817	$	810	$	808	$	29	54,961
2012			901		892		885		885		883		877		849		842		833		35		54,752
2013					968		949		945		940		945		926		916		905		53		55,063
2014							1,035		1,008		1,008		1,006		982		967		952		71		56,669
2015									1,081		1,043		1,041		1,042		1,024		1,021		99		57,745
2016											1,131		1,122		1,116		1,101		1,090		164		56,169
2017													1,211		1,221		1,204		1,189		275		56,558
2018															1,277		1,307		1,302		416		58,079
2019																	1,308		1,311		571		56,950
2020																			1,352		844		48,294
																	Total		$	10,763

	Cumulative Paid Claims and Allocated LAE, Net of Reinsurance
Accident Year	For the Years Ended (2011–2019 is Supplementary Information and Unaudited)
	2011		2012		2013		2014		2015		2016		2017		2018		2019		2020		% (a)
2011	$	174	$	383	$	522	$	612	$	662	$	694	$	714	$	731	$	745	$	755	93.4	%
2012			173		385		516		621		684		723		745		761		775		93.0	%
2013					182		396		554		666		729		766		797		820		90.6	%
2014							190		412		574		680		755		801		829		87.1	%
2015									178		411		577		702		792		844		82.7	%
2016											186		418		584		713		806		73.9	%
2017													200		422		612		755		63.5	%
2018															210		475		649		49.8	%
2019																	212		455		34.7	%
2020																			188		13.9	%
																	Total		$	6,876
							Unpaid losses and LAE — years 2011 through 2020												3,887
			Unpaid losses and LAE — 11th year and prior (excluding unallocated LAE)																415
			Unpaid losses and LAE, net of reinsurance (excluding unallocated LAE)																$	4,302

	Average Annual Percentage Payout of Incurred Claims by Age, Net of Reinsurance (Supplementary Information and Unaudited)
	Year 1		Year 2		Year 3		Year 4		Year 5		Year 6		Year 7		Year 8		Year 9		Year 10
Annual	18.0	%	22.2	%	16.0	%	11.9	%	7.7	%	4.5	%	2.9	%	2.2	%	1.7	%	1.2	%
Cumulative	18.0	%	40.2	%	56.2	%	68.1	%	75.8	%	80.3	%	83.2	%	85.4	%	87.1	%	88.3	%

(a)Represents the cumulative percentage paid of incurred claims and allocated LAE (net of reinsurance, as estimated at December 31, 2020).

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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — CONTINUED

Specialty financial
(Dollars in Millions)
	Incurred Claims and Allocated LAE, Net of Reinsurance																				As of December 31, 2020
	For the Years Ended (2011–2019 is Supplementary Information and Unaudited)																				Total IBNR Plus Expected Development on Reported Claims		Cumulative Number of Reported Claims
Accident Year	2011		2012		2013		2014		2015		2016		2017		2018		2019		2020
2011	$	138	$	157	$	155	$	153	$	147	$	144	$	143	$	139	$	137	$	137	$	—	16,371
2012			163		163		151		139		137		135		132		127		126		2		21,092
2013					140		145		137		131		127		126		122		122		4		28,475
2014							146		157		156		153		147		142		137		2		29,458
2015									156		160		158		153		145		138		4		37,615
2016											179		184		187		182		174		8		45,125
2017													212		215		212		208		15		48,692
2018															212		217		219		27		46,487
2019																	194		198		37		41,175
2020																			231		115		24,479
																	Total		$	1,690

	Cumulative Paid Claims and Allocated LAE, Net of Reinsurance
Accident Year	For the Years Ended (2011–2019 is Supplementary Information and Unaudited)
	2011		2012		2013		2014		2015		2016		2017		2018		2019		2020		% (a)
2011	$	58	$	111	$	115	$	123	$	130	$	131	$	131	$	132	$	132	$	133	97.1	%
2012			71		104		109		117		121		126		128		126		125		99.2	%
2013					70		100		107		113		117		117		118		118		96.7	%
2014							62		109		125		128		137		139		141		102.9	%
2015									72		110		129		133		132		134		97.1	%
2016											88		141		158		161		163		93.7	%
2017													120		169		186		194		93.3	%
2018															112		163		187		85.4	%
2019																	99		146		73.7	%
2020																			100		43.3	%
																	Total		$	1,441
							Unpaid losses and LAE — years 2011 through 2020												249
			Unpaid losses and LAE — 11th year and prior (excluding unallocated LAE)																(2)
			Unpaid losses and LAE, net of reinsurance (excluding unallocated LAE)																$	247

	Average Annual Percentage Payout of Incurred Claims by Age, Net of Reinsurance (Supplementary Information and Unaudited)
	Year 1		Year 2		Year 3		Year 4		Year 5		Year 6		Year 7		Year 8		Year 9		Year 10
Annual	50.6	%	28.0	%	8.4	%	4.0	%	3.1	%	1.5	%	1.0	%	(0.3	%)	(0.4	%)	0.7	%
Cumulative	50.6	%	78.6	%	87.0	%	91.0	%	94.1	%	95.6	%	96.6	%	96.3	%	95.9	%	96.6	%

(a)Represents the cumulative percentage paid of incurred claims and allocated LAE (net of reinsurance, as estimated at December 31, 2020).

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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — CONTINUED

Other specialty
(Dollars in Millions)
	Incurred Claims and Allocated LAE, Net of Reinsurance																				As of December 31, 2020
	For the Years Ended (2011–2019 is Supplementary Information and Unaudited)																				Total IBNR Plus Expected Development on Reported Claims		Cumulative Number of Reported Claims (a)
Accident Year	2011		2012		2013		2014		2015		2016		2017		2018		2019		2020
2011	$	39	$	43	$	42	$	43	$	43	$	44	$	44	$	43	$	42	$	41	$	2	—
2012			42		40		39		40		41		39		39		36		37		2		—
2013					46		47		46		47		50		53		58		58		1		—
2014							58		57		59		59		60		61		64		7		—
2015									59		60		63		66		76		82		7		—
2016											61		61		65		71		76		16		—
2017													63		65		70		81		13		—
2018															86		90		92		40		—
2019																	108		107		64		—
2020																			122		102		—
																	Total		$	760

	Cumulative Paid Claims and Allocated LAE, Net of Reinsurance
Accident Year	For the Years Ended (2011–2019 is Supplementary Information and Unaudited)
	2011		2012		2013		2014		2015		2016		2017		2018		2019		2020		% (b)
2011	$	12	$	20	$	25	$	28	$	34	$	36	$	37	$	38	$	39	$	39	95.1	%
2012			8		17		21		25		28		30		30		32		33		89.2	%
2013					7		16		22		34		37		44		51		53		91.4	%
2014							13		21		30		36		43		50		53		82.8	%
2015									10		26		31		50		62		69		84.1	%
2016											9		19		31		47		53		69.7	%
2017													10		19		30		52		64.2	%
2018															12		23		32		34.8	%
2019																	9		24		22.4	%
2020																			9		7.4	%
																	Total		$	417
							Unpaid losses and LAE — years 2011 through 2020												343
			Unpaid losses and LAE — 11th year and prior (excluding unallocated LAE)																34
			Unpaid losses and LAE, net of reinsurance (excluding unallocated LAE)																$	377

	Average Annual Percentage Payout of Incurred Claims by Age, Net of Reinsurance (Supplementary Information and Unaudited)
	Year 1		Year 2		Year 3		Year 4		Year 5		Year 6		Year 7		Year 8		Year 9		Year 10
Annual	14.8	%	15.7	%	11.6	%	17.1	%	10.2	%	8.4	%	4.8	%	3.8	%	2.6	%	—	%
Cumulative	14.8	%	30.5	%	42.1	%	59.2	%	69.4	%	77.8	%	82.6	%	86.4	%	89.0	%	89.0	%

(a)The amounts shown in Other specialty represent business assumed by AFG’s internal reinsurance program from the operations that make up AFG’s other Specialty property and casualty insurance sub-segments. Accordingly, the liability for incurred claims and allocated LAE represents additional reserves held on claims counted in the tables provided for the other sub-segments (above).

(b)Represents the cumulative percentage paid of incurred claims and allocated LAE (net of reinsurance, as estimated at December 31, 2020).

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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — CONTINUED

Total Specialty Group
(Dollars in Millions)
	Incurred Claims and Allocated LAE, Net of Reinsurance																				As of December 31, 2020
	For the Years Ended (2011–2019 is Supplementary Information and Unaudited)																				Total IBNR Plus Expected Development on Reported Claims		Cumulative Number of Reported Claims
Accident Year	2011		2012		2013		2014		2015		2016		2017		2018		2019		2020
2011	$	1,840	$	1,848	$	1,849	$	1,871	$	1,861	$	1,866	$	1,859	$	1,843	$	1,832	$	1,829	$	35	209,666
2012			1,970		1,952		1,946		1,947		1,955		1,941		1,906		1,886		1,875		43		218,995
2013					2,036		2,011		2,000		1,996		2,000		1,982		1,969		1,956		65		222,463
2014							2,083		2,050		2,040		2,038		2,004		1,978		1,957		88		219,309
2015									2,114		2,047		2,041		2,038		2,022		2,013		125		230,235
2016											2,117		2,083		2,082		2,060		2,034		213		222,410
2017													2,375		2,348		2,329		2,301		342		245,799
2018															2,507		2,516		2,499		552		234,457
2019																	2,721		2,674		797		250,429
2020																			2,748		1,410		182,219
																	Total		$	21,886

	Cumulative Paid Claims and Allocated LAE, Net of Reinsurance
Accident Year	For the Years Ended (2011–2019 is Supplementary Information and Unaudited)
	2011		2012		2013		2014		2015		2016		2017		2018		2019		2020		% (a)
2011	$	609	$	1,181	$	1,389	$	1,534	$	1,629	$	1,682	$	1,711	$	1,734	$	1,750	$	1,762	96.3	%
2012			824		1,214		1,418		1,579		1,675		1,735		1,785		1,788		1,805		96.3	%
2013					697		1,214		1,443		1,617		1,714		1,774		1,824		1,851		94.6	%
2014							594		1,174		1,422		1,588		1,705		1,773		1,812		92.6	%
2015									619		1,129		1,404		1,592		1,722		1,791		89.0	%
2016											577		1,099		1,350		1,539		1,662		81.7	%
2017													709		1,250		1,524		1,736		75.4	%
2018															730		1,337		1,606		64.3	%
2019																	847		1,448		54.2	%
2020																			758		27.6	%
																	Total		$	16,231
							Unpaid losses and LAE — years 2011 through 2020												5,655
			Unpaid losses and LAE — 11th year and prior (excluding unallocated LAE)																467
			Unpaid losses and LAE, net of reinsurance (excluding unallocated LAE)																$	6,122

	Average Annual Percentage Payout of Incurred Claims by Age, Net of Reinsurance (Supplementary Information and Unaudited)
	Year 1		Year 2		Year 3		Year 4		Year 5		Year 6		Year 7		Year 8		Year 9		Year 10
Annual	32.2	%	25.5	%	11.9	%	8.8	%	5.6	%	3.2	%	2.2	%	0.9	%	0.9	%	0.7	%
Cumulative	32.2	%	57.7	%	69.6	%	78.4	%	84.0	%	87.2	%	89.4	%	90.3	%	91.2	%	91.9	%

(a)Represents the cumulative percentage paid of incurred claims and allocated LAE (net of reinsurance, as estimated at December 31, 2020).

Closed Block of Long-Term Care Insurance Reserves for AFG’s closed block of long-term care insurance were $52 million at December 31, 2020 and $46 million at December 31, 2019, net of reinsurance recoverables and excluding the impact of unrealized gains on securities. AFG’s remaining outstanding long-term care policies have level premiums and are guaranteed renewable. Premium rates can potentially be increased in reaction to adverse experience; however, any rate increases would require regulatory approval.

FHLB Funding Agreements   GALIC is a member of the Federal Home Loan Bank of Cincinnati (“FHLB”). The FHLB makes advances and provides other banking services to member institutions. Members are required to purchase stock in the FHLB in addition to maintaining collateral deposits that back any funds advanced. GALIC’s $56 million

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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — CONTINUED

investment in FHLB capital stock at December 31, 2020 is included in other investments at cost. Membership in the FHLB provides the annuity operations with an 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.

In 2020, the FHLB advanced GALIC $200 million and GALIC repaid $165 million to the FHLB. In 2019, GALIC refinanced the terms on advances totaling $610 million. At December 31, 2020 and December 31, 2019, GALIC had $1.13 billion and $1.10 billion, respectively, in outstanding advances from the FHLB (included in annuity benefits accumulated), bearing interest at rates ranging from 0.31% to 1.35% (average rate of 0.53% at December 31, 2020). While these advances must be repaid between 2021 and 2025 ($931 million in 2021 and $200 million in 2025), GALIC has the option to prepay all or a portion on the majority of the advances. GALIC has invested the proceeds from the advances in fixed maturity securities with similar expected lives as the advances for the purpose of earning a spread over the interest payments due to the FHLB. The advances on these agreements are collateralized by fixed maturity investments, which have a total fair value of $1.37 billion (included in available for sale fixed maturity securities) at December 31, 2020. Interest credited on the funding agreements, which is included in annuity benefits, was $11 million in 2020, $27 million in 2019 and $20 million in 2018.

Statutory Information   AFG’s U.S.-based insurance subsidiaries are required to file financial statements with state insurance regulatory authorities prepared on an accounting basis prescribed or permitted by such authorities (statutory basis). Net earnings and capital and surplus on a statutory basis for the insurance subsidiaries were as follows (in millions):

	Net Earnings						Capital and Surplus
	2020		2019		2018		2020		2019
Property and casualty companies	$	481	$	584	$	546	$	3,643	$	3,342
Life (annuity) insurance companies	209		34		802		2,897		2,868

In the fourth quarter of 2018, GALIC, AFG’s primary annuity subsidiary, entered into a reinsurance treaty with Hannover Life Reassurance Company of America that transfers the risk of certain surrender activity in GALIC’s fixed-indexed annuity business. This treaty meets the statutory risk transfer rules and resulted in increases in statutory surplus (through an after-tax reserve credit) of $139 million at December 31, 2020 and $124 million at December 31, 2019, which is reflected in the life insurance companies capital and surplus in the table above. Under GAAP, this transaction does not meet the GAAP insurance risk transfer criteria and did not have a material impact on AFG’s financial statements.

The National Association of Insurance Commissioners’ (“NAIC”) model law for risk-based capital (“RBC”) applies to both life and property and casualty insurance companies. RBC formulas determine the amount of capital that an insurance company needs so that it has an acceptable expectation of not becoming financially impaired. Companies below specific trigger points or ratios are subject to regulatory action. At December 31, 2020 and 2019, the capital ratios of all AFG insurance companies substantially exceeded the RBC requirements. AFG’s insurance companies did not use any prescribed or permitted statutory accounting practices that differed from the NAIC statutory accounting practices at December 31, 2020 or 2019.

Payments of dividends by AFG’s insurance companies are subject to various state laws that limit the amount of dividends that can be paid. Under applicable restrictions, the maximum amount of dividends available to AFG in 2021 from its insurance subsidiaries without seeking regulatory approval is $705 million. Additional amounts of dividends require regulatory approval.

Holding Company Dividends   AFG declared and paid common stock dividends to shareholders totaling $336 million, $446 million and $397 million in 2020, 2019 and 2018, respectively. Currently, there are no regulatory restrictions on AFG’s retained earnings or net earnings that materially impact its ability to pay dividends. Based on shareholders’ equity at December 31, 2020, AFG could pay dividends of approximately $2.0 billion without violating its most restrictive debt covenant. However, the payment of future dividends will be at the discretion of AFG’s Board of Directors and will be dependent on many factors including AFG’s financial condition and results of operations, the capital requirements of its insurance subsidiaries, and rating agency commitments.

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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — CONTINUED

Reinsurance   In the normal course of business, AFG’s insurance subsidiaries cede reinsurance to other companies to diversify risk and limit maximum loss arising from large claims. However, AFG remains liable to its insureds regardless of whether a reinsurer is able to meet its obligations. The following table shows (in millions) (i) amounts deducted from property and casualty written and earned premiums in connection with reinsurance ceded, (ii) written and earned premiums included in income for reinsurance assumed and (iii) reinsurance recoveries, which represent ceded losses and loss adjustment expenses.

	2020		2019		2018
Direct premiums written	$	6,862	$	7,044	$	6,626
Reinsurance assumed	225		255		214
Reinsurance ceded	(2,074)		(1,957)		(1,817)
Net written premiums	$	5,013	$	5,342	$	5,023
Direct premiums earned	$	6,846	$	6,848	$	6,472
Reinsurance assumed	237		226		204
Reinsurance ceded	(1,984)		(1,889)		(1,811)
Net earned premiums	$	5,099	$	5,185	$	4,865
Reinsurance recoveries	$	1,522	$	1,404	$	1,249

In June 2017, AFG’s property and casualty insurance subsidiaries entered into a reinsurance agreement to obtain supplemental catastrophe protection through a catastrophe bond structure with Riverfront Re Ltd. (“Riverfront”). The reinsurance agreement provided supplemental reinsurance coverage up to 95% of $200 million (fully collateralized) for catastrophe losses in excess of $109 million of traditional catastrophe reinsurance (per occurrence and annual aggregate) occurring until January 15, 2021. In connection with the reinsurance agreement, Riverfront issued notes to unrelated investors for the full amount of coverage provided under the reinsurance agreement. Through December 31, 2020, AFG’s incurred catastrophe losses have not reached the level of attachment for the catastrophe bond structure. Riverfront is a variable interest entity in which AFG does not have a variable interest because the variability in Riverfront’s results will be absorbed entirely by the investors in Riverfront. Accordingly, Riverfront is not consolidated in AFG’s financial statements and the reinsurance agreement is accounted for as ceded reinsurance. AFG’s cost for this coverage is approximately $11 million per year. In July 2020, AFG purchased an additional $50 million of reinsurance coverage for losses in excess of $100 million. Recoveries from the catastrophe bond apply before calculating losses recoverable from this catastrophe excess of loss reinsurance.

In February 2020, GALIC entered into a flow reinsurance agreement with Commonwealth Annuity and Life Insurance Company (“Commonwealth”), a subsidiary of Global Atlantic Financial Group Limited. Under the terms of the agreement, GALIC cedes certain newly issued traditional fixed and indexed annuities on a quota share coinsurance basis with such quota share percentages being up to 50%. That agreement was effective for policies issued after May 6, 2020. Under reinsurance accounting guidance, this transaction will be accounted for using the deposit method.

In the fourth quarter of 2020, GALIC entered into a block reinsurance agreement with Commonwealth. Under the terms of the agreement, GALIC ceded $5.96 billion of in force traditional fixed and indexed annuities, representing approximately 15% of its in force business, and transferred related investments to Commonwealth. The transaction will be accounted for using the deposit method and the $180 million loss on the transaction was deferred and will be recognized over the expected life of the underlying annuity contracts (7-10 years). In the fourth quarter of 2020, $11 million of GALIC’s deferred loss was amortized (and included in annuity benefits expense).

Under both the flow and block reinsurance agreements, Commonwealth is required to maintain collateral in trusts in excess of amounts owed to GALIC. Under these agreements, $492 million of gross annuity receipts were ceded and there were $206 million of ceded annuity surrenders, benefits and withdrawals. GALIC received $39 million of commission and expense allowances in 2020 and annuity benefits expense was reduced by $46 million.

AFG has reinsured approximately $5.42 billion of its $8.33 billion in face amount of life insurance at December 31, 2020 compared to $6.23 billion of its $9.53 billion in face amount of life insurance at December 31, 2019. Life written premiums ceded were $19 million, $20 million and $22 million for 2020, 2019 and 2018, respectively. Reinsurance recoveries on ceded life policies were $28 million, $32 million and $38 million for 2020, 2019 and 2018, respectively.

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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — CONTINUED

Recoverables from Reinsurers and Premiums Receivable See Note A — “Accounting Policies — Credit Losses on Financial Instruments,” for a discussion of new guidance effective January 1, 2020, which impacts the accounting for expected credit losses of recoverables from reinsurers and premiums receivable. AFG reviews the allowance quarterly and makes adjustments as necessary to reflect changes in expected credit losses. Progressions of the 2020 allowance for expected credit losses are shown below (in millions):

	Recoverables from Reinsurers								Premiums Receivable
	Property and Casualty		Fixed & Indexed Annuities		Other		Total		Property and Casualty
Balance at January 1	$	18	$	—	$	—	$	18	$	13
Impact of adoption of new accounting policy	(11)		—		5		(6)		(3)
Provision for expected credit losses	—		—		2		2		1
Write-offs charged against the allowance	—		—		—		—		(1)
Businesses disposed	(1)		—		—		(1)		—
Balance at December 31	$	6	$	—	$	7	$	13	$	10

Prior to the new guidance, AFG recorded net expense reductions against the allowance for uncollectible reinsurance recoverables of less than $1 million in 2019 and $2 million in 2018.

Fixed Annuities   For certain products, the liability for “annuity benefits accumulated” includes reserves for excess benefits expected to be paid on future deaths and annuitizations guaranteed withdrawal benefits and accrued persistency and premium bonuses. The liabilities included in AFG’s Balance Sheet for these benefits, excluding the impact of unrealized gains on securities, were as follows at December 31 (in millions):

	2020		2019
Expected death and annuitization	$	260	$	232
Guaranteed withdrawal benefits	817		625
Accrued persistency and premium bonuses	—		1

Variable Annuities   At December 31, 2020, the aggregate guaranteed minimum death benefit value (assuming every variable annuity policyholder died on that date) on AFG’s variable annuity policies exceeded the fair value of the underlying variable annuities by $11 million, compared to $13 million at December 31, 2019. Death benefits paid in excess of the variable annuity account balances were less than $1 million in each of the last three years ended December 31, 2020, 2019 and 2018.

Q.    Additional Information

Financial Instruments — Unfunded Commitments   On occasion, AFG and its subsidiaries have entered into financial instrument transactions that may present off-balance-sheet risks of both a credit and market risk nature. These transactions include commitments to fund loans, loan guarantees and commitments to purchase and sell securities or loans. At December 31, 2020, AFG and its subsidiaries had commitments to fund credit facilities and contribute capital to limited partnerships and limited liability corporations of approximately $993 million. Approximately 50% of the unfunded commitments are related to GALIC, which is expected to be sold in the second quarter of 2021.

Benefit Plans   AFG expensed approximately $41 million in 2020, $39 million in 2019 and $37 million in 2018 for its retirement and employee savings plans.

F-54

AMERICAN FINANCIAL GROUP, INC. AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — CONTINUED

R.    Subsequent Event

Annuity Business   On January 27, 2021, AFG announced that it entered into a definitive agreement to sell its Annuity business to Massachusetts Mutual Life Insurance Company (“MassMutual”). Under the terms of the agreement, which is expected to close in the second quarter of 2021, MassMutual will acquire Great American Life Insurance Company (“GALIC”) and its two insurance subsidiaries, Annuity Investors Life Insurance Company and Manhattan National Life Insurance Company. In addition to AFG’s annuity operations, these subsidiaries include the run-off life and long-term care operations. Prior to the sale, AFG will acquire (based on December 31, 2020 values) $430 million in investments accounted for using the equity method and $97 million of directly owned real estate from GALIC. Beginning with the first quarter of 2021, AFG will report the results of the Annuity business as discontinued operations, in accordance with generally accepted accounting principles, which includes adjusting prior period results to reflect these operations as discontinued.

The Annuity subsidiaries to be sold impacted AFG’s Balance Sheet at December 31, 2020 as follows (in millions):

Assets of businesses to be sold:
Cash and cash equivalents	$	1,679
Fixed maturities, available for sale	34,123
Fixed maturities, trading at fair value	42
Equity securities	774
Investments accounted for using the equity method	646
Mortgage loans	1,251
Policy loans	151
Equity index call options	825
Other investments	199
Total cash and investments	39,690
Recoverables from reinsurers	6,804
Agents’ balances and premiums receivable	5
Deferred policy acquisition costs	303
Variable annuity assets (separate accounts)	664
Other assets	968
Total assets	48,434
Liabilities of businesses to be sold:
Annuity benefits accumulated	42,573
Life, accident and health reserves	607
Variable annuity liabilities (separate accounts)	664
Other liabilities	620
Total liabilities	44,464
Reclassify AOCI	(1,071)
Equity of annuity businesses to be sold excluding AOCI	$	2,899

The fair value of the available for sale fixed maturities owned by the Annuity subsidiaries to be sold at December 31, 2020 is detailed below.

US Government and government agencies	$	44
States, municipalities and political subdivisions	3,421
Foreign government	35
Residential mortgage-backed securities	2,140
Commercial mortgage-backed securities	698
Collateralized loan obligations	3,491
Other asset-backed securities	5,176
Corporate and other bonds	19,118
	$	34,123

F-55

AMERICAN FINANCIAL GROUP, INC. AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — CONTINUED

Results for the Annuity subsidiaries to be sold were (in millions):

	Year ended December 31,
	2020		2019		2018
Net investment income	$	1,670	$	1,774	$	1,618
Realized gains (losses) on securities	364		132		(105)
Other income	126		136		139
Total revenues	2,160		2,042		1,652
Annuity benefits	1,192		1,151		998
Annuity and supplemental insurance acquisition expenses	306		253		260
Other expenses	181		180		177
Total costs and expenses	1,679		1,584		1,435
Earnings before income taxes	481		458		217
Provision for income taxes	97		94		39
Net earnings	$	384	$	364	$	178

Net investment income excludes $49 million in 2020 and $37 million in both 2019 and 2018, respectively, related to the real estate-related investments that AFG will acquire from GALIC prior to the completion of the sale.

F-56

PART III

The information required by the following Items will be included in AFG’s definitive Proxy Statement for the 2021 Annual Meeting of Shareholders, which will be filed with the Securities and Exchange Commission within 120 days after the end of the Registrant’s fiscal year and is incorporated herein by reference.

ITEM 10	Directors, Executive Officers of the Registrant and Corporate Governance
ITEM 11	Executive Compensation
ITEM 12	Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters
ITEM 13	Certain Relationships and Related Transactions, and Director Independence
ITEM 14	Principal Accountant Fees and Services

PART IV

Item 15. Exhibits and Financial Statement Schedules

(a)	Documents filed as part of this Report:
	1.	Financial Statements are included in Part II, Item 8.
	2.	Financial Statement Schedules:
		A.	Selected Quarterly Financial Data is included in Note O to the Consolidated Financial Statements.
		B.	Schedules filed herewith for 2020, 2019, and 2018:
				Page
			II — Condensed Financial Information of Registrant	S-3
			III — Supplementary Insurance Information	S-5
			All other schedules for which provisions are made in the applicable regulation of the Securities and Exchange Commission have been omitted as they are not applicable, not required, or the information required thereby is set forth in the Financial Statements or the notes thereto.
	3.	Exhibits — See Exhibit Index on the next page.

S-1

INDEX TO EXHIBITS

AMERICAN FINANCIAL GROUP, INC.

Number	Exhibit Description
2	Stock Purchase Agreement, dated as of January 27, 2021, by and among Massachusetts Mutual Life Insurance Company, Great American Financial Resources, Inc. and American Financial Group, Inc., filed as Exhibit 2.1 to the Form 8-K filed on January 28, 2021.		(*)
3(a)	Amended and Restated Articles of Incorporation, filed as Exhibit 3.A to AFG’s Form 10-K for 2019.		(*)
3(b)	Amended and Restated Code of Regulations, filed as Exhibit 3.1 to the Form 8-K filed on April 1, 2020.		(*)
4	Instruments defining the rights of security holders.	Registrant has no outstanding debt issues exceeding 10% of the assets of Registrant and consolidated subsidiaries.
	Material Contracts:
10(a)	Amended and Restated Non-Employee Directors Compensation Plan, filed as Exhibit 10 to the Form S-8 Registration Statement (File No. 333-184913) filed by AFG on November 13, 2012.		(*)
10(b)	Amended and Restated Deferred Compensation Plan, filed as Exhibit 10(b) to AFG’s Form 10-K for 2008.		(*)
10(c)	Annual Senior Executive Bonus Plan, filed as Exhibit 10(d) to AFG’s 10-K for 2017.		(*)
10(d)	Amended and restated Nonqualified Auxiliary RASP, filed as Exhibit 10(f) to AFG’s Form 10-K for 2008.		(*)
10(e)	2005 Stock Incentive Plan Exhibit 10 to the Form S-8 Registration Statement (File No. 333-184914) filed by AFG on November 13, 2012.		(*)
10(f)	2015 Stock Incentive Plan filed as Exhibit 10(g) to AFG’s Form 10-K for 2015.		(*)
10(g)	Senior Executive Long Term Incentive Compensation Plan, filed as Appendix A to AFG’s Proxy Statement filed on April 1, 2016.		(*)
10(h)	Credit Agreement dated December 14, 2020, among American Financial Group, Inc., Bank of America, N.A., as Administrative Agent, and several lenders, filed as Exhibit 10.1 to AFG’s Form 8-K filed on December 15, 2020.		(*)
21	Subsidiaries of the Registrant.
23	Consent of independent registered public accounting firm.
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.INS	XBRL Instance Document - the instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document.
101.SCH	Inline XBRL Taxonomy Extension Schema Document.
101.CAL	Inline XBRL Taxonomy Extension Calculation Linkbase Document.
101.DEF	Inline XBRL Taxonomy Extension Definition Linkbase Document.
101.LAB	Inline XBRL Taxonomy Extension Label Linkbase Document.
101.PRE	Inline XBRL Taxonomy Extension Presentation Linkbase Document.
104	Cover Page Interactive Data File (formatted as Inline XBRL and contained in Exhibit 101).
(*) Incorporated herein by reference.

S-2

AMERICAN FINANCIAL GROUP, INC. — PARENT ONLY

SCHEDULE II — CONDENSED FINANCIAL INFORMATION OF REGISTRANT

(In Millions)

Condensed Balance Sheet

	December 31,
	2020		2019
Assets:
Cash and cash equivalents	$	215	$	166
Investment in securities	80		77
Investment in subsidiaries (a)	8,525		7,623
Other investments	2		2
Other assets	213		143
Total assets	$	9,035	$	8,011
Liabilities and Equity:
Long-term debt	$	1,963	$	1,473
Other liabilities	283		269
Shareholders’ equity	6,789		6,269
Total liabilities and equity	$	9,035	$	8,011

Condensed Statement of Earnings

	Year ended December 31,
	2020		2019		2018
Revenues:
Dividends from subsidiaries	$	543	$	417	$	261
Equity in undistributed earnings of subsidiaries	474		888		529
Investment and other income	32		20		2
Total revenues	1,049		1,325		792
Costs and Expenses:
Interest charges on intercompany borrowings	8		8		8
Interest charges on other borrowings	88		68		62
Other expenses	94		113		70
Total costs and expenses	190		189		140
Earnings before income taxes	859		1,136		652
Provision for income taxes	127		239		122
Net Earnings Attributable to Shareholders	$	732	$	897	$	530

Condensed Statement of Comprehensive Income

Net earnings attributable to shareholders	$	732	$	897	$	530
Other comprehensive income (loss), net of tax	414		815		(544)
Total comprehensive income (loss), net of tax	$	1,146	$	1,712	$	(14)

________________________

(a)Investment in subsidiaries includes intercompany receivables and payables.

S-3

AMERICAN FINANCIAL GROUP, INC. — PARENT ONLY

SCHEDULE II — CONDENSED FINANCIAL INFORMATION OF REGISTRANT — CONTINUED

(In Millions)

Condensed Statement of Cash Flows

	Year ended December 31,
	2020		2019		2018
Operating Activities:
Net earnings attributable to shareholders	$	732	$	897	$	530
Adjustments:
Equity in net earnings of subsidiaries	(780)		(1,032)		(637)
Dividends from subsidiaries	543		408		238
Other operating activities, net	(12)		33		84
Net cash provided by operating activities	483		306		215
Investing Activities:
Capital contributions to subsidiaries	(297)		(60)		(11)
Returns of capital from subsidiaries	—		4		23
Purchases of investments, property and equipment	(2)		(3)		(5)
Proceeds from:
Maturities and redemptions of investments	2		3		3
Sales of businesses	3		—		—
Net cash provided by (used in) investing activities	(294)		(56)		10
Financing Activities:
Additional long-term borrowings	634		315		—
Reductions of long-term debt	(150)		(150)		—
Issuances of Common Stock	23		37		34
Repurchases of Common Stock	(313)		—		(6)
Cash dividends paid on Common Stock	(334)		(444)		(394)
Net cash used in financing activities	(140)		(242)		(366)
Net Change in Cash and Cash Equivalents	49		8		(141)
Cash and cash equivalents at beginning of year	166		158		299
Cash and cash equivalents at end of year	$	215	$	166	$	158

S-4

AMERICAN FINANCIAL GROUP, INC. AND SUBSIDIARIES

SCHEDULE III — SUPPLEMENTARY INSURANCE INFORMATION

THREE YEARS ENDED DECEMBER 31, 2020

(IN MILLIONS)

Segment	Deferred policy acquisition costs		Reserves for future policy benefits, claims and unpaid losses and LAE		Unearned premiums		Net earned premiums		Net investment income		Benefits, claims, losses and settlement expenses		Amortization of deferred policy acquisition costs		Other operating expenses		Net written premiums (excluding life)
2020
Property and casualty insurance	$	244	$	10,392	$	2,803	$	5,099	$	399	$	3,271	$	615	$	1,036	$	5,013
Annuity	287		42,573		—		—		1,699		1,192		247		220		—
Other	15		607		—		19		34		40		4		436		4
Total	$	546	$	53,572	$	2,803	$	5,118	$	2,132	$	4,503	$	866	$	1,692	$	5,017
2019
Property and casualty insurance	$	322	$	10,232	$	2,830	$	5,185	$	472	$	3,271	$	721	$	1,027	$	5,342
Annuity	696		40,406		—		—		1,792		1,151		198		201		—
Other	19		612		—		22		39		36		4		520		3
Total	$	1,037	$	51,250	$	2,830	$	5,207	$	2,303	$	4,458	$	923	$	1,748	$	5,345
2018
Property and casualty insurance	$	299	$	9,741	$	2,595	$	4,865	$	438	$	3,003	$	644	$	957	$	5,023
Annuity	1,360		36,616		—		—		1,638		998		212		192		—
Other	23		635		—		24		18		40		4		461		3
Total	$	1,682	$	46,992	$	2,595	$	4,889	$	2,094	$	4,041	$	860	$	1,610	$	5,026

S-5

Signatures

Pursuant to the requirements of Section 13 or 15(d) 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.
February 25, 2021	By:	/s/ Brian S. Hertzman
		Brian S. Hertzman
		Senior Vice President and Chief Financial Officer

__________________________________________________________________________________________

Pursuant to the requirements of the Securities Exchange Act of 1934, this report has been signed below by the following persons on behalf of the registrant and in the capacities and on the dates indicated:

Signature	Capacity	Date
/s/ Carl H. Lindner III	Co-Chief Executive Officer and Director	February 25, 2021
Carl H. Lindner III	(Principal Executive Officer)
/s/ S. Craig Lindner	Co-Chief Executive Officer and Director	February 25, 2021
S. Craig Lindner	(Principal Executive Officer)
/s/ Brian S. Hertzman	Senior Vice President, Chief Financial Officer	February 25, 2021
Brian S. Hertzman	(Principal Financial and Accounting Officer)
/s/ John B. Berding	Director	February 25, 2021
John B. Berding
/s/ Virginia (Gina) C. Drosos	Director*	February 25, 2021
Virginia (Gina) C. Drosos
/s/ James E. Evans	Director	February 25, 2021
James E. Evans
/s/ Terry S. Jacobs	Director*	February 25, 2021
Terry S. Jacobs
/s/ Gregory G. Joseph	Lead Independent Director*	February 25, 2021
Gregory G. Joseph
/s/ Mary Beth Martin	Director	February 25, 2021
Mary Beth Martin
/s/ Evans N. Nwankwo	Director	February 25, 2021
Evans N. Nwankwo
/s/ William W. Verity	Director	February 25, 2021
William W. Verity
/s/ John I. Von Lehman	Director*	February 25, 2021
John I. Von Lehman
* Member of the Audit Committee

S-6

EX-21

Exhibit 21

AMERICAN FINANCIAL GROUP, INC.

SUBSIDIARIES OF THE REGISTRANT

The following is a list of subsidiaries of AFG at December 31, 2020. All corporations are subsidiaries of AFG and, if indented, subsidiaries of the company under which they are listed. The names of certain subsidiaries are omitted, as such subsidiaries in the aggregate would not constitute a significant subsidiary.

Name of Company	Incorporated	Percentage of Ownership
American Money Management Corporation	Ohio	100
American Real Estate Capital Company, LLC	Ohio	100
APU Holding Company	Ohio	100
American Premier Underwriters, Inc.	Pennsylvania	100
Great American Financial Resources, Inc.	Delaware	100
Great American Life Insurance Company	Ohio	100
Annuity Investors Life Insurance Company	Ohio	100
Manhattan National Holding Corporation	Ohio	100
Manhattan National Life Insurance Company	Ohio	100
Great American Holding, Inc.	Ohio	100
ABA Insurance Services, Inc.	Ohio	100
Great American Contemporary Insurance Company	Ohio	100
Great American Holding (Europe) Limited	United Kingdom	100
Great American Europe Limited	United Kingdom	100
Great American International Insurance (EU) Designated Activity Company	Ireland	100
Great American International Insurance (UK) Limited	United Kingdom	100
Mid-Continent Casualty Company	Ohio	100
Mid-Continent Assurance Company	Ohio	100
Mid-Continent Excess and Surplus Insurance Company	Ohio	100
Oklahoma Surety Company	Ohio	100
National Interstate Corporation	Ohio	100
Hudson Indemnity, Ltd.	Cayman Islands	100
National Interstate Insurance Company	Ohio	100
National Interstate Insurance Company of Hawaii, Inc.	Ohio	100
Triumphe Casualty Company	Ohio	100
Vanliner Insurance Company	Missouri	100
Republic Indemnity Company of America	California	100
Republic Indemnity Company of California	California	100
Summit Holding Southeast, Inc.	Florida	100
Bridgefield Employers Insurance Company	Florida	100
Bridgefield Casualty Insurance Company	Florida	100
Great American Insurance Company	Ohio	100
American Empire Insurance Company	Ohio	100
American Empire Surplus Lines Insurance Company	Ohio	100
El Aguila, Compañia de Seguros, S.A. de C.V.	Mexico	100
GAI Warranty Company	Ohio	100
GAI Warranty Company of Florida	Florida	100
Great American Alliance Insurance Company	Ohio	100
Great American Assurance Company	Ohio	100
Great American Casualty Insurance Company	Ohio	100
Great American E&S Insurance Company	Ohio	100
Great American Fidelity Insurance Company	Ohio	100
Great American Insurance Company of New York	New York	100
Great American Protection Insurance Company	Ohio	100
Great American Security Insurance Company	Ohio	100
Great American Spirit Insurance Company	Ohio	100
Professional Risk Brokers, Inc.	Illinois	100
Helium Holdings Limited	Bermuda	100
GAI Australia Pty Ltd.	Australia	100

E-1

EX-23

Exhibit 23

AMERICAN FINANCIAL GROUP, INC. AND SUBSIDIARIES

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in the following Registration Statements and related Prospectuses of American Financial Group, Inc.:

	Registration
Form	Number	Description
S-8	33-58827	Employee Stock Purchase Plan
S-3	333-102567	Dividend Reinvestment Plan
S-8	333-117062	Non-employee Directors Compensation Plan
S-8	333-184913	Non-employee Directors Compensation Plan
S-8	333-14935	Retirement and Savings Plan
S-8	333-91945	Deferred Compensation Plan
S-8	333-125304	2005 Stock Incentive Plan
S-8	333-170343	2005 Stock Incentive Plan
S-8	333-184914	2005 Stock Incentive Plan
S-8	333-206291	2015 Stock Incentive Plan
S-3	333-223216	Shelf Registration

of our reports dated February 25, 2021, with respect to the consolidated financial statements and schedules of American Financial Group, Inc. and subsidiaries and the effectiveness of internal control over financial reporting of American Financial Group, Inc. and subsidiaries, included in this Annual Report (Form 10-K) of American Financial Group, Inc. and subsidiaries for the year ended December 31, 2020.

/s/ ERNST & YOUNG LLP

Cincinnati, Ohio

February 25, 2021

E-2

EX-31.A

Exhibit 31(a)

AMERICAN FINANCIAL GROUP, INC.

SARBANES-OXLEY SECTION 302(a) CERTIFICATIONS

I, Carl H. Lindner III, certify that:

1.I have reviewed this annual report on Form 10-K 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.

February 25, 2021	By:	/s/ Carl H. Lindner III
		Carl H. Lindner III
		Co-Chief Executive Officer

E-3

EX-31.B

Exhibit 31(b)

AMERICAN FINANCIAL GROUP, INC.

SARBANES-OXLEY SECTION 302(a) CERTIFICATIONS

I, S. Craig Lindner, certify that:

1.I have reviewed this annual report on Form 10-K 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.

February 25, 2021	By:	/s/ S. Craig Lindner
		S. Craig Lindner
		Co-Chief Executive Officer

E-4

EX-31.C

Exhibit 31(c)

AMERICAN FINANCIAL GROUP, INC.

SARBANES-OXLEY SECTION 302(a) CERTIFICATIONS

I, Brian S. Hertzman, certify that:

1.I have reviewed this annual report on Form 10-K 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.

February 25, 2021	By:	/s/ Brian S. Hertzman
		Brian S. Hertzman
		Senior Vice President and Chief Financial Officer

E-5

EX-32

Exhibit 32

AMERICAN FINANCIAL GROUP, INC.

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 Annual Report of American Financial Group, Inc. (the “Company”) on Form 10-K for the period ended December 31, 2020 (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.

February 25, 2021	By:	/s/ Carl H. Lindner III
Date		Carl H. Lindner III
		Co-Chief Executive Officer
February 25, 2021	By:	/s/ S. Craig Lindner
Date		S. Craig Lindner
		Co-Chief Executive Officer
February 25, 2021	By:	/s/ Brian S. Hertzman
Date		Brian S. Hertzman
		Senior 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-6

XML

Document and Entity Information - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Feb. 01, 2021	Jun. 30, 2020
Entity Information [Line Items]
Document Type	10-K
Document Annual Report	true
Document Period End Date	Dec. 31, 2020
Document Transition Report	false
Entity File Number	1-13653
Entity Registrant Name	AMERICAN FINANCIAL GROUP, INC.
Entity Incorporation, State or Country Code	OH
Entity Tax Identification Number	31-1544320
Entity Central Index Key	0001042046
Entity Address, Address Line One	301 East Fourth Street
Entity Address, City or Town	Cincinnati
Entity Address, State or Province	OH
Entity Address, Postal Zip Code	45202
City Area Code	513
Local Phone Number	579-2121
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Amendment Flag	false
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	FY
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
ICFR Auditor Attestation Flag	true
Entity Shell Company	false
Entity Public Float			$ 4,910
Entity Common Stock, Shares Outstanding		86,399,280
Entity Common Stock, Shares Outstanding Owned by Subsidiaries		14,900,000
Common stocks
Entity Information [Line Items]
Title of 12(b) Security	Common Stock
Trading Symbol	AFG
Security Exchange Name	NYSE
5.875% Subordinated Debentures due March 2059
Entity Information [Line Items]
Title of 12(b) Security	5.875% Subordinated Debentures due March 30, 2059
Trading Symbol	AFGB
Security Exchange Name	NYSE
5.625% Subordinated Debentures due June 2060
Entity Information [Line Items]
Title of 12(b) Security	5.625% Subordinated Debentures due June 1, 2060
Trading Symbol	AFGD
Security Exchange Name	NYSE
5.125% Subordinated Debentures due December 2059
Entity Information [Line Items]
Title of 12(b) Security	5.125% Subordinated Debentures due December 15, 2059
Trading Symbol	AFGC
Security Exchange Name	NYSE
4.50% Subordinated Debentures due September 2060
Entity Information [Line Items]
Title of 12(b) Security	4.50% Subordinated Debentures due September 15, 2060
Trading Symbol	AFGE
Security Exchange Name	NYSE

XML

Consolidated Balance Sheet - USD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019
Assets:
Cash and cash equivalents	$ 2,810	$ 2,314
Investments:
Fixed maturities, available for sale at fair value (amortized cost — $40,408 and $44,524; allowance for expected credit losses of $40 at December 31, 2020)	43,207	46,505
Fixed maturities, trading at fair value	66	113
Equity securities, at fair value	1,663	1,937
Investments accounted for using the equity method	1,881	1,688
Mortgage loans	1,623	1,329
Policy loans	151	164
Equity index call options	825	924
Real estate and other investments	276	278
Total cash and investments	52,502	55,252
Prepaid reinsurance premiums	768	678
Agents’ balances and premiums receivable	1,231	1,335
Deferred policy acquisition costs	546	1,037
Assets of managed investment entities	73,566	70,130
Other receivables	959	975
Variable annuity assets (separate accounts)	664	628
Other assets	1,626	1,867
Goodwill	207	207
Total assets	73,566	70,130
Liabilities and Equity:
Unpaid losses and loss adjustment expenses	10,392	10,232
Unearned premiums	2,803	2,830
Annuity benefits accumulated	42,573	40,406
Life, accident and health reserves	607	612
Payable to reinsurers	807	814
Liabilities of managed investment entities	66,777	63,861
Long-term debt	1,963	1,473
Variable annuity liabilities (separate accounts)	664	628
Other liabilities	2,197	2,295
Total liabilities	66,777	63,861
Redeemable noncontrolling interests	0	0
Shareholders’ equity:
Common Stock, no par value — 200,000,000 shares authorized — 86,345,246 and 90,303,686 shares outstanding	86	90
Capital surplus	1,281	1,307
Retained earnings	4,149	4,009
Accumulated other comprehensive income, net of tax	1,273	863
Total shareholders’ equity	6,789	6,269
Noncontrolling interests	0	0
Total equity	6,789	6,269
Total liabilities and equity	73,566	70,130
Property and casualty insurance
Investments:
Recoverables from reinsurers:	3,288	3,133
Assets of managed investment entities	19,689	19,098
Goodwill	176	176
Total assets	19,689	19,098
Liabilities and Equity:
Unpaid losses and loss adjustment expenses	10,392
Fixed and indexed annuities
Investments:
Recoverables from reinsurers:	6,539	0
Assets of managed investment entities	47,626	45,074
Goodwill	31	31
Total assets	47,626	45,074
Other lines
Investments:
Recoverables from reinsurers:	265	282
Variable interest entity, primary beneficiary
Investments:
Assets of managed investment entities	4,971	4,736
Total assets	4,971	4,736
Liabilities and Equity:
Liabilities of managed investment entities	4,771	4,571
Total liabilities	$ 4,771	$ 4,571

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Consolidated Balance Sheet (Parenthetical) - USD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019
Statement of Financial Position [Abstract]
Fixed maturies, available for sale, amortized cost	$ 40,408	$ 44,524
Fixed maturities, available for sale, allowance for expected credit losses	$ 40	$ 0
Common Stock, par value (USD per share)	$ 0	$ 0
Common Stock, Shares Authorized	200,000,000	200,000,000
Common Stock, Shares, Outstanding	86,345,246	90,303,686

XML

Consolidated Statement of Earnings - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Revenues:
Property and casualty insurance net earned premiums	$ 5,099	$ 5,185	$ 4,865
Net investment income	2,132	2,303	2,094
Realized gains (losses) on:
Securities	289	287	(266)
Subsidiaries	23	0	0
Income of managed investment entities:
Investment income	201	269	255
Gain (loss) on change in fair value of assets/liabilities	(39)	(30)	(21)
Other income	204	223	223
Total revenues	7,909	8,237	7,150
Costs and Expenses:
Property and casualty insurance: Losses and loss adjustment expenses	3,271	3,271	3,003
Property and casualty insurance: Commissions and other underwriting expenses	1,625	1,725	1,583
Annuity benefits	1,192	1,151	998
Annuity and supplemental insurance acquisition expenses	306	253	261
Interest charges on borrowed money	88	68	62
Expenses of managed investment entities	149	220	211
Other expenses	430	441	393
Total costs and expenses	7,061	7,129	6,511
Earnings before income taxes	848	1,108	639
Provision for income taxes	127	239	122
Net earnings, including noncontrolling interests	721	869	517
Less: Net earnings (loss) attributable to noncontrolling interests	(11)	(28)	(13)
Net Earnings Attributable to Shareholders	$ 732	$ 897	$ 530
Earnings Attributable to Shareholders per Common Share:
Basic (USD per share)	$ 8.25	$ 9.98	$ 5.95
Diluted (USD per share)	$ 8.20	$ 9.85	$ 5.85
Average number of Common Shares:
Basic (shares)	88.7	89.9	89.0
Diluted (shares)	89.2	91.0	90.6

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Consolidated Statement of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Statement of Comprehensive Income [Abstract]
Net earnings, including noncontrolling interests	$ 721	$ 869	$ 517
Net unrealized gains (losses) on securities:
Unrealized holding gains (losses) on securities arising during the period	700	788	(544)
Reclassification adjustment for realized (gains) losses included in net earnings	(307)	(9)	8
Total net unrealized gains (losses) on securities	393	779	(536)
Net unrealized gains on cash flow hedges	24	28	2
Foreign currency translation adjustments	(1)	7	(10)
Pension and other postretirement plans adjustments	0	1	0
Other comprehensive income (loss), net of tax	416	815	(544)
Total comprehensive income (loss), net of tax	1,137	1,684	(27)
Less: Comprehensive income (loss) attributable to noncontrolling interests	(9)	(28)	(13)
Comprehensive income (loss) attributable to shareholders	$ 1,146	$ 1,712	$ (14)

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Consolidated Statement of Changes in Equity - USD ($) $ in Millions	Total	Cumulative effect, period of adoption, adjustment	Total	Total Cumulative effect, period of adoption, adjustment	Common Shares	Common Stock and Capital Surplus	Retained Earnings	Retained Earnings Cumulative effect, period of adoption, adjustment	Accumulated Other Comprehensive Inc. (Loss)	Accumulated Other Comprehensive Inc. (Loss) Cumulative effect, period of adoption, adjustment	Noncontrolling Interests
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cumulative effect of accounting change	$ 5,331	$ 4	$ 5,330	$ 4		$ 1,269	$ 3,248	$ 225	$ 813	$ (221)	$ 1
Beginning Balance, shares at Dec. 31, 2017					88,275,460
Beginning Balance at Dec. 31, 2017	5,331	4	5,330	4		1,269	3,248	225	813	(221)	1
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cumulative effect of accounting change	4,972	$ 4	4,970	$ 4		1,334	3,588	225	48	(221)	2
Net income (loss) attributable to parent	530		530				530
Net income (loss), including portion attributable to nonredeemable noncontrolling interest	531										1
Other Comprehensive Income (Loss), Net of Tax, including Portion Attributable to Noncontrolling Interest	(544)
Other comprehensive income (loss)	(544)		(544)						(544)		0
Dividends	(397)		(397)				(397)
Shares issued:
Exercise of stock options, shares					778,270
Exercise of stock options	29		29			29
Restricted stock awards, shares					200,625
Restricted stock awards	0		0			0
Other benefit plans, shares					103,797
Other benefit plans	12		12			12
Dividend reinvestment plan, shares					29,998
Dividend reinvestment plan	3		3			3
Stock-based compensation: Expense	23		23			23
Shares acquired and retired, shares					(65,589)
Shares acquired and retired	(6)		(6)			(1)	(5)
Shares exchanged — benefit plans, shares					(26,520)
Shares exchanged — benefit plans	(3)		(3)			(1)	(2)
Forfeitures of restricted stock, shares					(4,317)
Forfeitures of restricted stock	0		0			0
Other	(11)		(11)				(11)				0
Ending Balance, shares at Dec. 31, 2018					89,291,724
Ending Balance at Dec. 31, 2018	4,972		4,970			1,334	3,588		48		2
Beginning Balance, Redeemable Noncontrolling Interests at Dec. 31, 2017	3
Redeemable Noncontrolling Interest, Equity, Carrying Amount [Abstract]
Net income (loss) attributable to redeemable noncontrolling interest	(14)
Other	11
Ending Balance, Redeemable Noncontrolling Interests at Dec. 31, 2018	0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cumulative effect of accounting change	4,972		4,970			1,334	3,588		48		2
Cumulative effect of accounting change	4,972		6,269			1,397	4,009	7	863	0	0
Net income (loss) attributable to parent	897		897				897
Net income (loss), including portion attributable to nonredeemable noncontrolling interest	895										(2)
Other Comprehensive Income (Loss), Net of Tax, including Portion Attributable to Noncontrolling Interest	815
Other comprehensive income (loss)	815		815						815		0
Dividends	(446)		(446)				(446)
Shares issued:
Exercise of stock options, shares					747,167
Exercise of stock options	31		31			31
Restricted stock awards, shares					232,635
Restricted stock awards	0		0			0
Other benefit plans, shares					77,429
Other benefit plans	8		8			8
Dividend reinvestment plan, shares					19,334
Dividend reinvestment plan	2		2			2
Stock-based compensation: Expense	23		23			23
Shares exchanged — benefit plans, shares					(50,062)
Shares exchanged — benefit plans	(5)		(5)			(1)	(4)
Forfeitures of restricted stock, shares					(14,541)
Forfeitures of restricted stock	0		0			0
Other	$ (26)		(26)				(26)		0		0
Ending Balance, shares at Dec. 31, 2019	90,303,686				90,303,686
Ending Balance at Dec. 31, 2019	$ 6,269		6,269			1,397	4,009	7	863	0	0
Redeemable Noncontrolling Interest, Equity, Carrying Amount [Abstract]
Net income (loss) attributable to redeemable noncontrolling interest	(26)
Other	26
Ending Balance, Redeemable Noncontrolling Interests at Dec. 31, 2019	0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cumulative effect of accounting change	6,269		6,269			1,397	4,009	7	863	0	0
Cumulative effect of accounting change	6,269		6,789			1,367	4,149	$ 7	1,273	$ 0	0
Net income (loss) attributable to parent	732		732				732
Net income (loss), including portion attributable to nonredeemable noncontrolling interest	734										2
Other Comprehensive Income (Loss), Net of Tax, including Portion Attributable to Noncontrolling Interest	414
Other comprehensive income (loss)	416		414						414		0
Dividends	$ (336)		(336)				(336)
Shares issued:
Exercise of stock options, shares	328,471				328,471
Exercise of stock options	$ 14		14			14
Restricted stock awards, shares					227,867
Restricted stock awards	0		0			0
Other benefit plans, shares					143,270
Other benefit plans	10		10			10
Dividend reinvestment plan, shares					18,690
Dividend reinvestment plan	2		2			2
Stock-based compensation: Expense	20		20			20
Shares acquired and retired, shares					(4,531,394)
Shares acquired and retired	(313)		(313)			(70)	(243)
Shares exchanged — benefit plans, shares					(101,663)
Shares exchanged — benefit plans	(11)		(11)			(2)	(9)
Forfeitures of restricted stock, shares					(43,681)
Forfeitures of restricted stock	0		0			0
Other	$ (21)		(19)			(4)	(11)		(4)		(2)
Ending Balance, shares at Dec. 31, 2020	86,345,246				86,345,246
Ending Balance at Dec. 31, 2020	$ 6,789		6,789			1,367	4,149		1,273		0
Redeemable Noncontrolling Interest, Equity, Carrying Amount [Abstract]
Net income (loss) attributable to redeemable noncontrolling interest	(13)
Other comprehensive income (loss), net of tax attributable to redeemable noncontrolling interests	2
Other	11
Ending Balance, Redeemable Noncontrolling Interests at Dec. 31, 2020	0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cumulative effect of accounting change	$ 6,789		$ 6,789			$ 1,367	$ 4,149		$ 1,273		$ 0

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Consolidated Statement of Changes in Equity (Parenthetical) - $ / shares	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Statement of Stockholders' Equity [Abstract]
Cash dividends per Common Share (USD per share)	$ 3.85	$ 4.95	$ 4.45

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Consolidated Statement of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Operating Activities:
Net earnings, including noncontrolling interests	$ 721	$ 869	$ 517
Adjustments:
Depreciation and amortization	299	259	210
Annuity benefits	1,192	1,151	998
Realized (gains) losses on investing activities	(313)	(288)	265
Net (purchases) sales of trading securities	20	(5)	111
Deferred annuity and life policy acquisition costs	(154)	(206)	(263)
Change in:
Reinsurance and other receivables	(533)	(112)	(211)
Other assets	138	(406)	96
Insurance claims and reserves	812	703	425
Payable to reinsurers	13	62	9
Other liabilities	(71)	516	(140)
Managed investment entities’ assets/liabilities	25	23	148
Other operating activities, net	34	(110)	(82)
Net cash provided by operating activities	2,183	2,456	2,083
Investing Activities:
Purchases of fixed maturities	(10,335)	(8,260)	(10,183)
Purchases of equity securities	(404)	(242)	(568)
Purchases of mortgage loans	(372)	(442)	(167)
Purchases of equity index call options and other investments	(897)	(991)	(973)
Purchases of real estate, property and equipment	(60)	(44)	(80)
Purchases of businesses	(3)	0	(36)
Proceeds from maturities and redemptions of fixed maturities	5,749	4,567	4,948
Proceeds from repayments of mortgage loans	84	184	201
Proceeds from sales of fixed maturities	3,729	927	501
Proceeds from sales of equity securities	656	453	247
Proceeds from sales and settlements of equity index call options and other investments	988	771	883
Proceeds from sales of real estate, property and equipment	5	4	3
Proceeds from sale of businesses	3	0	0
Cash and cash equivalents of businesses acquired and sold	(425)	0	13
Managed investment entities:
Purchases of investments	(1,502)	(1,398)	(2,117)
Proceeds from sales and redemptions of investments	1,221	1,409	1,948
Other investing activities, net	(1)	(3)	30
Net cash used in investing activities	(1,564)	(3,065)	(5,350)
Financing Activities:
Annuity receipts	4,287	4,960	5,632
Ceded annuity receipts	(492)	0	0
Annuity surrenders, benefits and withdrawals	(3,711)	(3,358)	(2,916)
Ceded annuity surrenders, benefits and withdrawals	206	0	0
Net transfers from variable annuity assets	61	60	47
Cash transferred in annuity reinsurance	(554)	0	0
Additional long-term borrowings	634	315	0
Reductions of long-term debt	(150)	(150)	0
Issuances of managed investment entities’ liabilities	429	371	1,983
Retirements of managed investment entities’ liabilities	(208)	(382)	(1,935)
Issuances of Common Stock	22	36	33
Repurchases of Common Stock	(313)	0	(6)
Cash dividends paid on Common Stock	(334)	(444)	(394)
Net cash provided by (used in) financing activities	(123)	1,408	2,444
Net Change in Cash and Cash Equivalents	496	799	(823)
Cash and cash equivalents at beginning of year	2,314	1,515	2,338
Cash and cash equivalents at end of year	$ 2,810	$ 2,314	$ 1,515

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Accounting Policies

12 Months Ended

Dec. 31, 2020

Accounting Policies [Abstract]

Accounting Policies

Accounting Policies

Basis of Presentation   The consolidated financial statements include the accounts of American Financial Group, Inc. and its subsidiaries (“AFG”). Certain reclassifications have been made to prior years 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 December 31, 2020, and prior to the filing of this Form 10-K, have been evaluated for potential recognition or disclosure herein.

The preparation of the financial statements in conformity with U.S. generally accepted accounting principles (“GAAP”) 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 at September 30 on the sale of Neon, its United Kingdom-based Lloyd’s insurer (see Note B — “Acquisitions and Sale of Businesses”), AFG did not have any material nonrecurring fair value measurements in 2020 or 2019.

Credit Losses on Financial Instruments   On January 1, 2020, AFG adopted Accounting Standards Update (“ASU”) 2016-13, Financial Instruments – Credit Losses: Measurement of Credit Losses on Financial Instruments, which provides a new loss model for determining credit-related impairments for financial instruments measured at amortized cost (mortgage loans, premiums receivable and reinsurance recoverables) and requires an entity to estimate the credit losses expected over the life of an exposure or pool of exposures. The estimate of expected credit losses considers historical information, current information, as well as reasonable and supportable forecasts, including estimates of prepayments. Expected credit losses, and subsequent increases or decreases in such expected losses, are recorded immediately through net earnings as an allowance that is deducted from the amortized cost basis of the financial asset, with the net carrying value of the financial asset presented on the balance sheet at the amount expected to be collected. AFG’s portfolio of mortgage loans crosses a wide variety of commercial properties with very strong loan to value ratios and no credit losses in recent years. In addition, the reinsurance used in AFG’s insurance operations is purchased from financially strong (highly rated) reinsurers and the Company has a long history of collecting premiums receivable through various economic cycles. At the date of adoption, the impact of adjusting AFG’s existing allowances for uncollectable mortgage loans, premiums receivable and reinsurance recoverables to the allowances calculated under the new guidance resulted in a reduction in the net allowance, which was recorded as the cumulative effect of an accounting change ($7 million increase in retained earnings at January 1, 2020).

The updated guidance also amended the current other-than-temporary impairment model for available for sale debt securities by requiring the recognition of impairments relating to credit losses through an allowance and limits the amount of credit loss to the difference between a security’s amortized cost basis and its fair value. Subsequent increases or decreases in expected credit losses will be recorded immediately in net earnings through realized gains (losses).

Investments   On January 1, 2018, AFG adopted ASU 2016-01, which requires all equity securities other than those accounted for under the equity method to be reported at fair value with holding gains and losses recognized in net earnings. At December 31, 2017, AFG had $1.60 billion in equity securities classified as “available for sale” under the prior guidance with holding gains and losses included in accumulated other comprehensive income (“AOCI”) instead of net earnings. At the date of adoption, the $221 million net unrealized gain on equity securities included in AOCI was reclassified to retained earnings as the cumulative effect of an accounting change. The cumulative effect of the accounting change also includes the net unrealized gain on AFG’s small number of limited partnerships and similar investments carried at cost under the prior guidance that are carried at fair value through net earnings under the new guidance ($4 million net of tax at the date of adoption).

Holding gains and losses on equity securities carried at fair value are generally recorded in realized gains (losses) on securities. However, AFG records holding gains and losses on securities classified as “trading” under previous guidance, its small portfolio of limited partnerships and similar investments carried at fair value and certain other securities classified at purchase as “fair value through net investment income” in net investment income.

Fixed maturity securities classified as “available for sale” are reported at fair value with unrealized gains and losses included in AOCI in AFG’s Balance Sheet. Fixed maturity 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 loans (net of any allowance) and policy loans are carried primarily at the aggregate unpaid balance.

Premiums and discounts on fixed maturity securities are amortized using the effective 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.

Limited partnerships and similar investments are generally accounted for using the equity method of accounting. Under the equity method, AFG records its share of the earnings or losses of the investee based on when they are reported by the investee in its financial statements rather than in the period in which the investee declares a dividend. AFG’s share of the earnings or losses from equity method investments is generally recorded on a quarter lag due to the timing of the receipt of the investee’s financial statements. AFG’s equity in the earnings (losses) of limited partnerships and similar investments is included in net investment income.

Realized gains or losses on the disposal of fixed maturity securities are determined on the specific identification basis. When a decline in the value of an available for sale fixed maturity is considered to be other-than-temporary at the balance sheet date, an allowance for credit losses (impairment), including any write-off of accrued interest, is charged to earnings (included in realized gains (losses) on securities). If management can assert that it does not intend to sell the security and it is not more likely than not that it will have to sell it before recovery of its amortized cost basis (net of allowance), then the impairment allowance 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 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 charge. 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 is recorded in earnings to reduce the amortized cost (net of allowance) of that security to fair value. See “Credit Losses on Financial Instruments” above for a discussion of new guidance adopted on January 1, 2020.

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 and principal-only MBS) and (ii) the equity-based component of certain annuity products (included in annuity benefits accumulated) and related equity index options 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. 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 statement of earnings as the cash flows from the hedged item. AFG uses interest rate swaps that are designated and 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.

Goodwill   Goodwill represents the excess of cost of subsidiaries over AFG’s equity in their underlying net assets at the date of acquisition. 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.

An AFG 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.

Certain reinsurance arrangements in AFG’s fixed and indexed annuity operations do not transfer significant insurance risk and are therefore accounted for using the deposit method. This accounting treatment results in amounts paid by AFG to the reinsurer to be recorded as a deposit asset. The reinsurance deposit asset (reinsurance recoverable) is adjusted as amounts are paid or received under the underlying contracts. AFG’s reinsurance partner posts collateral in excess of amounts due to AFG under these contracts. Under reinsurance accounting guidance on transactions involving annuities, the gain or loss is deferred and recognized over the expected life of the underlying annuity contracts (using methods similar to those used to amortize 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 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   A 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”). AFG has determined that it is the primary beneficiary of these 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) through its investment in the CLO debt tranches, it has exposure to CLO losses (limited to the amount AFG invested) and the right to receive CLO benefits that could potentially be significant to the CLOs.

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.

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. AFG has 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 are measured by the change in the fair value of AFG’s investments in the CLOs and management fees earned.

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 annuity benefits expense and decreases for annuity policy charges are recorded in other income. For traditional fixed annuities, the liability for annuity benefits accumulated represents the account value that had accrued to the benefit of the policyholder as of the balance sheet date. For fixed-indexed annuities (“FIAs”), the liability for annuity benefits accumulated includes an embedded derivative that represents the estimated fair value of the index participation with the remaining component representing the discounted value of the guaranteed minimum contract benefits.

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 (included in other income) 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 (losses) 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.

Debt Issuance Costs   Debt issuance costs related to AFG’s outstanding debt are presented in its Balance Sheet as a direct reduction in the carrying value of long-term debt and are amortized over the life of the related debt using the effective interest method as a component of interest expense. Debt issuance costs related to AFG’s revolving credit facilities are included in other assets 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.

Leases   On January 1, 2019, AFG adopted ASU 2016-02, which requires entities that lease assets for terms longer than one year to recognize assets and liabilities for the rights and obligations created by those leases on the balance sheet based on the present value of contractual cash flows. As permitted under the ASU, AFG adopted the guidance on a modified retrospective basis (comparative periods were not adjusted) and elected the following accounting policies and practical expedients:

•exclude leases with a term of 12 months or less from the calculation of lease assets and liabilities,

•not separate lease and non-lease components except for buildings (office space and storage facilities),

•for contracts existing at the date of adoption – not reassess whether a contract is a lease or contains a lease, how initial direct costs were accounted for or whether the lease is an operating or finance lease, and

•use hindsight to determine the lease term for leases existing at the date of adoption.

Adoption of the new guidance resulted in AFG recognizing a lease liability of $198 million (included in other liabilities) and a corresponding right-of-use asset of $174 million (included in other assets and presented net of $24 million in deferred rent and lease incentives) on January 1, 2019. Deferred rent and lease incentives were recognized as liabilities under the previous guidance and result from the straight-line expensing of operating leases. The adoption of the new guidance did not have a material effect on AFG’s results of operations or liquidity. See Note K — “Leases” for additional disclosures.

Noncontrolling Interests   For balance sheet purposes, noncontrolling interests represent 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. Noncontrolling interests that are redeemable at the option of the holder are presented separately in the mezzanine section of the balance sheet (between liabilities and equity).

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.

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. The effect of a change in tax rates on deferred tax assets and liabilities is recorded in net earnings in the period that includes the enactment date.

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 records excess tax benefits or deficiencies for share-based payments through income tax expense in the statement of earnings. In addition, AFG accounts for forfeitures of awards when they occur.

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: 2020 – 0.5 million, 2019 – 1.1 million and 2018 – 1.6 million.

There were no anti-dilutive potential common shares related to stock compensation plans or adjustments to net earnings attributable to shareholders in the calculation of diluted earnings per share for the years ended December 31, 2020, 2019 or 2018.

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, property and equipment and businesses. “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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Acquisitions and Sale of Businesses

12 Months Ended

Dec. 31, 2020

Business Combinations [Abstract]

Acquisitions and Sale of Businesses

Acquisitions and Sale of Businesses

Neon   In December 2019, AFG initiated actions to exit the Lloyd’s of London insurance market, which included placing Neon Underwriting Ltd. and its other Lloyd’s subsidiaries in run-off. Neon and its predecessor, Marketform, failed to achieve AFG’s profitability objectives since AFG’s purchase of Marketform in 2008.

On June 30, 2020, AFG acquired 100% of the indirect noncontrolling interest in Neon from certain former and current Neon executives for cash based on the nominal fair value of the interest acquired as determined by a third-party valuation firm.

On December 31, 2020, AFG completed the sale of GAI Holding Bermuda and its subsidiaries, comprising the legal entities that own Neon, to RiverStone Holdings Limited for proceeds of $6 million. The sale completed AFG’s exit from the Lloyd’s of London insurance market.

On the sale date, the carrying value of the assets and liabilities disposed represented approximately 1% of both AFG’s assets and liabilities and are detailed in the table below.

Under GAAP accounting guidance, 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. Because AFG’s primary business continues to be commercial property and casualty insurance, as well as the immaterial expected impact on AFG’s ongoing results of operations, the sale of Neon has not been reported as a discontinued operation.

The gain on the sale of Neon, which was recorded in AFG’s financial statements as of December 31, 2020, is shown below (in millions):

Sale proceeds, net of expenses	$	3
Assets of businesses to be sold:
Cash and investments	$	453
Recoverables from reinsurers	224
Prepaid reinsurance premiums	8
Agents’ balances and premiums receivable	42
Other assets	60
Total assets	787
Liabilities of businesses to be sold:
Unpaid losses and loss adjustment expenses	640
Unearned premiums	49
Payable to reinsurers	19
Other liabilities	92
Total liabilities	800
Reclassify accumulated other comprehensive income	(7)
Net liabilities of businesses sold	$	(20)
Pretax gain on subsidiaries recorded in 2020	$	23

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

	Year ended December 31,
	2020		2019		2018
Net earned premiums	$	200	$	384	$	306
Loss and loss adjustment expenses	218		225		204
Commissions and other underwriting expenses	117		195		165
Underwriting loss	(135)		(36)		(63)
Net investment income (loss)	(5)		6		10
Other income and expenses, net	(5)		(10)		(5)
Loss before income taxes and noncontrolling interests	$	(145)	$	(40)	$	(58)

The impact of Neon exited lines on AFG’s net earnings for the year ended December 31, 2020 is shown below (in millions):

Underwriting loss	$	(135)
Net investment income (loss)	(5)
Other income and expenses, net	(5)
Loss before income taxes and noncontrolling interests	(145)
Pretax gain on sale of subsidiaries	23
Total pretax loss from Neon exited lines	(122)
Tax benefit related to sale of subsidiaries	72
Less: Net loss attributable to noncontrolling interests	(11)
Net loss from Neon exited lines attributable to shareholders	$	(39)

As discussed in Note M — “Income Taxes,” the sale of Neon allowed AFG to recognize a $72 million tax benefit.

Paratransit Book of Business   Effective in June 2019, National Interstate, a property and casualty insurance subsidiary of AFG, entered into an agreement with Atlas Financial Holdings, Inc. (“AFH”) to become the exclusive underwriter of AFH’s paratransit book of business. National Interstate estimated that the majority of AFH’s $110 million paratransit business was eligible for quotation under this arrangement following inception of the agreement. Under the terms of the agreement (as extended in 2020), AFH acts as an underwriting manager for National Interstate until at least August 2021 for fleets with seven or fewer vehicles, after which time National Interstate is entitled to acquire the renewal rights for the business from AFH for a purchase price equal to 15% of the in force gross written premiums at that date. In November 2020, National Interstate acquired the renewal rights for fleets with eight or more vehicles from AFH for approximately $3 million. The majority of the purchase price ultimately paid for the renewal rights will be recorded as an intangible renewal rights asset and will be amortized over the estimated life of the business acquired. In connection with the transaction, AFG was granted a five-year warrant to acquire approximately 2.4 million shares of AFH (19.9% at the acquisition date). The estimated fair value of the warrant was approximately $1 million at the date it was received.

ABA Insurance Services Inc.   In November 2018, AFG acquired ABA Insurance Services Inc. (“ABAIS”) from American Bankers Mutual Insurance, Ltd. for approximately $30 million using cash on hand at the parent company. Additional contingent consideration of up to $3 million could be due four years after the acquisition date based on achieving certain operating milestones. ABAIS is based in Ohio and is a market-leading provider of directors and officers liability and other complementary insurance solutions for banks, small businesses and nonprofit organizations.

The allocation of the purchase price is shown in the table below (in millions):

	November 30, 2018
Total purchase price	$	30
Tangible assets acquired	28
Liabilities acquired	26
Net tangible assets acquired, at fair value	2
Excess purchase price over net tangible assets acquired	$	28
Allocation of excess purchase price:
Intangible assets acquired (*)	$	25
Deferred tax on intangible assets acquired (*)	(5)
Goodwill	8
	$	28

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

Approximately $25 million of the purchase price was recorded as a finite lived customer relationship intangible asset, which will be amortized over its estimated life of 9 years. The fair value of this intangible was estimated using a multi-period excess earnings method, which is a form of the income approach. The acquisition resulted in the recognition of $8 million in goodwill based on the excess of the purchase price over the fair value of the net assets acquired. The goodwill represents the fair value of acquired intangible assets that do not qualify for separate recognition, including the value of ABAIS’s assembled workforce. Business generated by ABAIS is included in the Specialty casualty sub-segment.

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Segments of Operations

12 Months Ended

Dec. 31, 2020

Segment Reporting [Abstract]

Segments of Operations

Segments of Operations

AFG manages its business as three segments: (i) Property and casualty insurance, (ii) Annuity and (iii) Other, which includes holding company assets and costs, revenues and costs of AFG’s limited insurance operations outside of property and casualty insurance and annuity segments, and 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 and trucks, inland and ocean marine, agricultural-related products and other commercial property coverages, (ii) Specialty casualty, which includes primarily excess and surplus, executive and professional liability, general liability, umbrella and excess liability, specialty coverages 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 lending and leasing institutions (including equipment leasing and collateral and lender-placed mortgage property insurance), fidelity and surety 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 sells traditional fixed and indexed annuities in the retail, financial institutions, broker-dealer and registered investment advisor markets. AFG’s reportable segments and their components were determined based primarily upon similar economic characteristics, products and services.

As discussed in Note B — “Acquisitions and Sale of Businesses,” AFG initiated actions to exit the Lloyd’s of London insurance market, which included placing its Lloyd’s subsidiaries including its Lloyd’s Managing Agency, Neon Underwriting Ltd., into run-off in December 2019. Beginning with the first quarter of 2020, the results for AFG’s Specialty casualty sub-segment exclude the run-off operations of Neon (“Neon exited lines”). AFG completed the sale of Neon in December 2020.

Sales of property and casualty insurance outside of the United States represented 5% of AFG’s revenues in 2020 and 7% of AFG’s revenues in 2019 and 2018. Approximately one-half and two-thirds of these 2020 and 2019 sales, respectively, were through the Neon Lloyd’s of London business.

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

	2020		2019		2018
Assets
Property and casualty insurance (a)	$	19,689	$	19,098	$	17,681
Annuity	47,626		45,074		39,952
Other	6,251		5,958		5,823
Total assets	$	73,566	$	70,130	$	63,456

Revenues
Property and casualty insurance:
Premiums earned:
Specialty
Property and transportation	$	1,871	$	1,828	$	1,729
Specialty casualty	2,235		2,597		2,403
Specialty financial	613		610		598
Other specialty	180		150		135
Other lines (b)	200		—		—
Total premiums earned	5,099		5,185		4,865
Net investment income (c)	399		472		438
Other income	8		11		10
Total property and casualty insurance	5,506		5,668		5,313
Annuity:
Net investment income	1,699		1,792		1,638
Other income	131		120		125
Total annuity	1,830		1,912		1,763
Other	261		370		340
Total revenues before realized gains (losses)	7,597		7,950		7,416
Realized gains (losses) on securities	289		287		(266)
Realized gains on subsidiaries	23		—		—
Total revenues	$	7,909	$	8,237	$	7,150

(a)Not allocable to sub-segments.

(b)Represents premiums earned in the Neon exited lines during 2020. Neon’s $384 million and $306 million in earned premiums during 2019 and 2018, respectively, are included in the Specialty casualty sub-segment.

(c)Includes a loss of $5 million in the Neon exited lines in 2020 (primarily from the change in fair value of equity securities).

	2020		2019		2018
Earnings Before Income Taxes
Property and casualty insurance:
Underwriting:
Specialty
Property and transportation	$	181	$	79	$	120
Specialty casualty	223		175		141
Specialty financial	50		92		66
Other specialty	(28)		(21)		(5)
Other lines (a)	(202)		(113)		(20)
Total underwriting	224		212		302
Investment and other income, net (b)	360		437		407
Total property and casualty insurance	584		649		709
Annuity	171		362		361
Other (c)	(219)		(190)		(165)
Total earnings before realized gains (losses) and income taxes	536		821		905
Realized gains (losses) on securities	289		287		(266)
Realized gains on subsidiaries	23		—		—
Total earnings before income taxes	$	848	$	1,108	$	639

(a)Includes an underwriting loss of $135 million in 2020 in the Neon exited lines. Neon’s $36 million and $63 million underwriting losses in 2019 and 2018, respectively, are included in the Specialty casualty sub-segment. Also includes special charges to increase asbestos and environmental (“A&E”) reserves of $47 million in 2020 and $18 million in both 2019 and 2018, and a $76 million charge in 2019 related to the Neon exited lines.

(b)Includes $10 million in 2020 in net expenses from the Neon exited lines, before noncontrolling interest.

(c)Includes holding company interest and expenses, including losses on retirement of debt of $5 million in both 2020 and 2019, respectively, and special charges to increase A&E reserves related to AFG’s former railroad and manufacturing operations ($21 million in 2020, $11 million in 2019 and $9 million in 2018). Also includes the results of AFG’s run-off life and long-term care businesses, including a $4 million loss recognition charge recorded in the run-off long-term care business in 2020.

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Fair Value Measurements

12 Months Ended

Dec. 31, 2020

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, 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, asset-backed securities (“ABS”), mortgage-backed securities (“MBS”), certain non-affiliated common stocks, equity index options 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 at the valuation date. 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 are classified as Level 3.

As discussed in Note A — “Accounting Policies — Managed Investment Entities,” AFG has set the carrying value of its 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. As a result, 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, 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 investment professionals 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 services regarding the methods and assumptions used in pricing, including verifying, on a test basis, the inputs used by the service to value specific securities.

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
December 31, 2020
Assets:
Available for sale (“AFS”) fixed maturities:
U.S. Government and government agencies	$	201	$	26	$	15	$	242
States, municipalities and political subdivisions	—		5,630		103		5,733
Foreign government	—		211		—		211
Residential MBS	—		2,890		165		3,055
Commercial MBS	—		777		13		790
Collateralized loan obligations	—		4,489		64		4,553
Other asset-backed securities	—		5,850		1,373		7,223
Corporate and other	44		19,873		1,483		21,400
Total AFS fixed maturities	245		39,746		3,216		43,207
Trading fixed maturities	—		66		—		66
Equity securities	1,096		98		469		1,663
Equity index call options	—		825		—		825
Assets of managed investment entities (“MIE”)	217		4,733		21		4,971
Variable annuity assets (separate accounts) (*)	—		664		—		664
Other assets — derivatives	—		102		—		102
Total assets accounted for at fair value	$	1,558	$	46,234	$	3,706	$	51,498
Liabilities:
Liabilities of managed investment entities	$	208	$	4,543	$	20	$	4,771
Derivatives in annuity benefits accumulated	—		—		3,933		3,933
Other liabilities — derivatives	—		10		—		10
Total liabilities accounted for at fair value	$	208	$	4,553	$	3,953	$	8,714
December 31, 2019
Assets:
Available for sale fixed maturities:
U.S. Government and government agencies	$	151	$	43	$	15	$	209
States, municipalities and political subdivisions	—		6,858		105		6,963
Foreign government	—		172		—		172
Residential MBS	—		2,987		173		3,160
Commercial MBS	—		892		35		927
Collateralized loan obligations	—		4,265		15		4,280
Other asset-backed securities	—		5,842		1,286		7,128
Corporate and other	29		21,879		1,758		23,666
Total AFS fixed maturities	180		42,938		3,387		46,505
Trading fixed maturities	2		111		—		113
Equity securities	1,433		67		437		1,937
Equity index call options	—		924		—		924
Assets of managed investment entities	213		4,506		17		4,736
Variable annuity assets (separate accounts) (*)	—		628		—		628
Other assets — derivatives	—		50		—		50
Total assets accounted for at fair value	$	1,828	$	49,224	$	3,841	$	54,893
Liabilities:
Liabilities of managed investment entities	$	206	$	4,349	$	16	$	4,571
Derivatives in annuity benefits accumulated	—		—		3,730		3,730
Other liabilities — derivatives	—		10		—		10
Total liabilities accounted for at fair value	$	206	$	4,359	$	3,746	$	8,311

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

Approximately 7% of the total assets carried at fair value on December 31, 2020, were Level 3 assets. Approximately 40% ($1.50 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. Approximately $530 million (14%) of the Level 3 assets were priced by pricing services where either a single price was not corroborated, prices varied enough among the providers, or other market factors led management to determine these securities should be classified as Level 3 assets.

Internally developed Level 3 asset fair values represent approximately $1.68 billion (46%) of the total fair value of Level 3 assets at December 31, 2020. The fixed maturities are priced using a variety of inputs, including appropriate credit spreads over the treasury yield (of a similar duration), trade information and prices of comparable securities and other security specific features (such as optional early redemption). Internally developed prices for equity securities are based primarily on financial information of the entities invested in and sales of comparable companies. Management believes that any justifiable changes in unobservable inputs used to determine internally developed fair values would not have resulted in a material change in AFG’s financial position.

The derivatives embedded in AFG’s fixed-indexed and variable-indexed annuity liabilities are measured using a discounted cash flow approach and had a fair value of $3.93 billion at December 31, 2020. The following table presents information about the unobservable inputs used by management in determining fair value of these Level 3 liabilities. See Note F — “Derivatives.”

Unobservable Input	Range
Adjustment for insurance subsidiary’s credit risk	0.2% – 2.2% over the risk-free rate
Risk margin for uncertainty in cash flows	0.99% reduction in the discount rate
Surrenders	4% – 23% of indexed account value
Partial surrenders	2% – 11% of indexed account value
Annuitizations	0.1% – 1% of indexed account value
Deaths	1.7% – 13.9% of indexed account value
Budgeted option costs	2.2% – 2.9% of indexed account value

The range of adjustments for insurance subsidiary’s credit risk is based on the Moody’s corporate A2 bond index and 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 and variable-indexed annuity products with an expected range of 8% to 11% in the majority of future calendar years (4% to 23% over all periods). Increasing the budgeted option cost or risk margin for uncertainty in cash flow assumptions in the table above would increase the fair value of the fixed-indexed and variable-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 2020, 2019 and 2018 are presented below (in millions). The transfers into and out of Level 3 were due to changes in the availability of market observable inputs and $29 million of equity securities transferred into Level 3 in 2018 related to a small number of limited partnerships and similar investments carried at cost under the prior guidance that are carried at fair value through net earnings under new guidance adopted on January 1, 2018, as discussed in Note A — “Accounting Policies — Investments.” 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 December 31, 2019		Net earnings		Other comprehensive income (loss)		Purchases and issuances		Sales and settlements		Transfer into Level 3		Transfer out of Level 3		Balance at December 31, 2020
AFS fixed maturities:
U.S. government agency	$	15	$	4	$	(4)	$	—	$	—	$	—	$	—	$	15
State and municipal	105		—		5		—		(5)		—		(2)		103
Residential MBS	173		(7)		(8)		—		(19)		58		(32)		165
Commercial MBS	35		—		1		—		(3)		2		(22)		13
Collateralized loan obligations	15		(5)		22		—		—		187		(155)		64
Other asset-backed securities	1,286		(17)		20		423		(375)		215		(179)		1,373
Corporate and other	1,758		2		33		283		(185)		133		(541)		1,483
Total AFS fixed maturities	3,387		(23)		69		706		(587)		595		(931)		3,216
Equity securities	437		(13)		—		73		(19)		17		(26)		469
Assets of MIE	17		(6)		—		2		—		8		—		21
Total Level 3 assets	$	3,841	$	(42)	$	69	$	781	$	(606)	$	620	$	(957)	$	3,706
Embedded derivatives (a)	$	(3,730)	$	(283)	$	—	$	(242)	$	322	$	—	$	—	$	(3,933)
Total Level 3 liabilities (b)	$	(3,730)	$	(283)	$	—	$	(242)	$	322	$	—	$	—	$	(3,933)

(a)Total realized/unrealized gains (losses) included in net earnings for the embedded derivatives reflects a favorable adjustment related to the unlocking of actuarial assumptions of $240 million in 2020.

(b)As previously discussed, these tables exclude the portion of MIE liabilities allocated to Level 3, which are derived from the fair value of MIE assets.

			Total realized/unrealized gains (losses) included in
	Balance at December 31, 2018		Net earnings		Other comprehensive income (loss)		Purchases and issuances		Sales and settlements		Transfer into Level 3		Transfer out of Level 3		Balance at December 31, 2019
AFS fixed maturities:
U.S. government agency	$	9	$	—	$	7	$	—	$	(1)	$	—	$	—	$	15
State and municipal	59		—		5		—		(3)		55		(11)		105
Residential MBS	197		6		(3)		—		(20)		48		(55)		173
Commercial MBS	56		2		—		—		(12)		4		(15)		35
Collateralized loan obligations	116		(5)		5		—		—		28		(129)		15
Other asset-backed securities	731		—		6		787		(192)		23		(69)		1,286
Corporate and other	1,996		(3)		55		738		(335)		30		(723)		1,758
Total AFS fixed maturities	3,164		—		75		1,525		(563)		188		(1,002)		3,387
Equity securities	336		(5)		—		52		(2)		56		—		437
Assets of MIE	21		(5)		—		1		—		—		—		17
Total Level 3 assets	$	3,521	$	(10)	$	75	$	1,578	$	(565)	$	244	$	(1,002)	$	3,841
Embedded derivatives (a)	$	(2,720)	$	(919)	$	—	$	(333)	$	242	$	—	$	—	$	(3,730)
Total Level 3 liabilities (b)	$	(2,720)	$	(919)	$	—	$	(333)	$	242	$	—	$	—	$	(3,730)

(a)Total realized/unrealized gains (losses) included in net earnings for the embedded derivatives reflects a favorable adjustment related to the unlocking of actuarial assumptions of $181 million in 2019.

(b)As previously discussed, these tables exclude the portion of MIE liabilities allocated to Level 3, which are derived from the fair value of MIE assets.

			Total realized/unrealized gains (losses) included in
	Balance at December 31, 2017		Net earnings		Other comprehensive income (loss)		Purchases and issuances		Sales and settlements		Transfer into Level 3		Transfer out of Level 3		Balance at December 31, 2018
AFS fixed maturities:
U.S. government agency	$	8	$	—	$	—	$	—	$	—	$	1	$	—	$	9
State and municipal	148		—		(2)		—		(3)		—		(84)		59
Residential MBS	122		(9)		(4)		—		(21)		130		(21)		197
Commercial MBS	36		—		—		20		—		—		—		56
Collateralized loan obligations	200		(3)		(13)		35		(20)		3		(86)		116
Other asset-backed securities	544		—		(2)		391		(228)		79		(53)		731
Corporate and other	1,044		(10)		(18)		1,221		(204)		27		(64)		1,996
Total AFS fixed maturities	2,102		(22)		(39)		1,667		(476)		240		(308)		3,164
Equity securities	165		9		—		155		(6)		30		(17)		336
Assets of MIE	23		(8)		—		6		—		—		—		21
Total Level 3 assets	$	2,290	$	(21)	$	(39)	$	1,828	$	(482)	$	270	$	(325)	$	3,521
Embedded derivatives (a)	$	(2,542)	$	204	$	—	$	(545)	$	163	$	—	$	—	$	(2,720)
Total Level 3 liabilities (b)	$	(2,542)	$	204	$	—	$	(545)	$	163	$	—	$	—	$	(2,720)

(a)Total realized/unrealized gains (losses) included in net earnings for the embedded derivatives includes losses related to the unlocking of actuarial assumptions of $44 million in 2018.

(b)As previously discussed, these tables exclude the portion of MIE liabilities allocated to Level 3, which are derived from the fair value of MIE assets.

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 at December 31 are summarized below (in millions):

	Carrying		Fair Value
	Value		Total		Level 1		Level 2		Level 3
2020
Financial assets:
Cash and cash equivalents	$	2,810	$	2,810	$	2,810	$	—	$	—
Mortgage loans	1,623		1,652		—		—		1,652
Policy loans	151		151		—		—		151
Total financial assets not accounted for at fair value	$	4,584	$	4,613	$	2,810	$	—	$	1,803
Financial liabilities:
Annuity benefits accumulated (*)	$	41,460	$	43,081	$	—	$	—	$	43,081
Long-term debt	1,963		2,325		—		2,322		3
Total financial liabilities not accounted for at fair value	$	43,423	$	45,406	$	—	$	2,322	$	43,084
2019
Financial assets:
Cash and cash equivalents	$	2,314	$	2,314	$	2,314	$	—	$	—
Mortgage loans	1,329		1,346		—		—		1,346
Policy loans	164		164		—		—		164
Total financial assets not accounted for at fair value	$	3,807	$	3,824	$	2,314	$	—	$	1,510
Financial liabilities:
Annuity benefits accumulated (*)	$	40,159	$	40,182	$	—	$	—	$	40,182
Long-term debt	1,473		1,622		—		1,619		3
Total financial liabilities not accounted for at fair value	$	41,632	$	41,804	$	—	$	1,619	$	40,185

(*)Excludes $1.11 billion and $247 million of life contingent annuities in the payout phase at December 31, 2020 and 2019, respectively.

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Investments

12 Months Ended

Dec. 31, 2020

Investments, Debt and Equity Securities [Abstract]

Investments

Investments

Available for sale fixed maturities at December 31 consisted of the following (in millions):

	Amortized Cost		Allowance for Expected Credit Losses		Gross Unrealized				Net Unrealized		Fair Value
					Gains		Losses
December 31, 2020
Fixed maturities:
U.S. Government and government agencies	$	231	$	—	$	11	$	—	$	11	$	242
States municipalities and political subdivisions	5,249		—		486		(2)		484		5,733
Foreign government	203		—		8		—		8		211
Residential MBS	2,812		3		251		(5)		246		3,055
Commercial MBS	748		—		43		(1)		42		790
Collateralized loan obligations	4,556		13		27		(17)		10		4,553
Other asset-backed securities	7,138		18		169		(66)		103		7,223
Corporate and other	19,471		6		1,962		(27)		1,935		21,400
Total fixed maturities	$	40,408	$	40	$	2,957	$	(118)	$	2,839	$	43,207
December 31, 2019
Fixed maturities:
U.S. Government and government agencies	$	199	$	—	$	10	$	—	$	10	$	209
States municipalities and political subdivisions	6,604		—		363		(4)		359		6,963
Foreign government	170		—		3		(1)		2		172
Residential MBS	2,900		—		265		(5)		260		3,160
Commercial MBS	896		—		31		—		31		927
Collateralized loan obligations	4,307		—		10		(37)		(27)		4,280
Other asset-backed securities	6,992		—		156		(20)		136		7,128
Corporate and other	22,456		—		1,231		(21)		1,210		23,666
Total fixed maturities	$	44,524	$	—	$	2,069	$	(88)	$	1,981	$	46,505

Equity securities, which are reported at fair value with holding gains and losses recognized in net earnings, consisted of the following at December 31 (in millions):

	2020						2019
					Fair Value						Fair Value
	Actual				over (under)		Actual				over (under)
	Cost		Fair Value		Cost		Cost		Fair Value		Cost
Common stocks	$	939	$	922	$	(17)	$	1,164	$	1,283	$	119
Perpetual preferred stocks	702		741		39		640		654		14
Total equity securities carried at fair value	$	1,641	$	1,663	$	22	$	1,804	$	1,937	$	133

The following tables show gross unrealized losses (dollars in millions) on available for sale fixed maturities by investment category and length of time that individual securities have been in a continuous unrealized loss position at the following balance sheet dates.

	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
December 31, 2020
Fixed maturities:
U.S. Government and government agencies	$	—	$	23	100	%	$	—	$	—	—	%
States, municipalities and political subdivisions	(2)		117		98	%	—		11		100	%
Foreign government	—		7		100	%	—		—		—	%
Residential MBS	(4)		210		98	%	(1)		30		97	%
Commercial MBS	(1)		39		98	%	—		9		100	%
Collateralized loan obligations	(3)		673		100	%	(14)		1,599		99	%
Other asset-backed securities	(45)		1,440		97	%	(21)		388		95	%
Corporate and other	(22)		858		98	%	(5)		124		96	%
Total fixed maturities	$	(77)	$	3,367	98	%	$	(41)	$	2,161	98	%
December 31, 2019
Fixed maturities:
U.S. Government and government agencies	$	—	$	16	100	%	$	—	$	11	100	%
States, municipalities and political subdivisions	(3)		254		99	%	(1)		82		99	%
Foreign government	(1)		70		99	%	—		—		—	%
Residential MBS	(4)		509		99	%	(1)		69		99	%
Commercial MBS	—		17		100	%	—		—		—	%
Collateralized loan obligations	(11)		1,284		99	%	(26)		1,728		99	%
Other asset-backed securities	(12)		1,211		99	%	(8)		123		94	%
Corporate and other	(13)		1,100		99	%	(8)		211		96	%
Total fixed maturities	$	(44)	$	4,461	99	%	$	(44)	$	2,224	98	%

At December 31, 2020, the gross unrealized losses on fixed maturities of $118 million relate to 620 securities. Investment grade securities (as determined by nationally recognized rating agencies) represented approximately 76% of the gross unrealized loss and 88% of the fair value.

To evaluate fixed maturities for expected credit losses (impairment), management considers whether the unrealized loss is credit-driven or a result of changes in market interest rates, the extent to which fair value is less than cost basis, historical operating, balance sheet and cash flow data from the issuer, third party research and communications with industry specialists and discussions with issuer management.

AFG analyzes its MBS securities for expected credit losses (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.

Management believes AFG will recover its cost basis (net of any allowance) 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 December 31, 2020.

See Note A — “Accounting Policies — Credit Losses on Financial Instruments,” for a discussion of new guidance effective January 1, 2020, which impacts the accounting for expected credit losses (impairments) of fixed maturity securities. Under the new guidance, credit losses on available for sale fixed maturities continue to be measured based on the present value of expected future cash flows compared to amortized cost; however, impairment losses are now recognized through an allowance instead of directly writing down the amortized cost. Under the new guidance, recoveries of previously impaired amounts are recorded as an immediate reversal of all or a portion of the allowance instead of accreted as investment income through a yield adjustment. In addition, the allowance on available for sale fixed maturities cannot cause the amortized cost net of the allowance to be below fair value. Accordingly, future changes in the fair value of an impaired security (when the allowance was limited by the fair value) due to reasons other than issuer credit (e.g. changes in market interest rates) result in increases or decreases in the allowance, which are recorded through realized gains (losses) on securities. A progression of the allowance for expected credit losses on fixed maturity securities is shown below (in millions):

	Structured securities (*)		Corporate and other		Total
Balance at January 1	$	—	$	—	$	—
Impact of adoption of new accounting policy	—		—		—
Initial allowance for purchased securities with credit deterioration	1		—		1
Provision for expected credit losses on securities with no previous allowance	40		28		68
Additions (reductions) to previously recognized expected credit losses	(6)		(16)		(22)
Reductions due to sales or redemptions	(1)		(6)		(7)
Balance at December 31	$	34	$	6	$	40

(*)Includes mortgage-backed securities, collateralized loan obligations and other asset-backed securities.

In 2020, AFG purchased two residential mortgage-backed securities with expected credit losses. In aggregate at the time of purchase, the par value was $8 million, the purchase price was $6 million and the allowance for credit losses and the discount were each $1 million.

The table below sets forth the scheduled maturities of available for sale fixed maturities as of December 31, 2020 (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, net (*)		Amount		%
Maturity
One year or less	$	2,735	$	2,762	6	%
After one year through five years	10,344		11,149		26	%
After five years through ten years	9,298		10,570		25	%
After ten years	2,771		3,105		7	%
	25,148		27,586		64	%
Collateralized loan obligations and other ABS (average life of approximately 3-1/2 years)	11,663		11,776		27	%
MBS (average life of approximately 3-1/2 years)	3,557		3,845		9	%
Total	$	40,368	$	43,207	100	%

(*)Amortized cost, net of allowance for expected credit losses.

Certain risks are inherent in 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 December 31, 2020 or 2019.

Net Unrealized Gain on Marketable Securities   In addition to adjusting 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		Net
December 31, 2020
Net unrealized gain on:
Fixed maturities — annuity segment (*)	$	2,323	$	(488)	$	1,835
Fixed maturities — all other	516		(108)		408
Total fixed maturities	2,839		(596)		2,243
Deferred policy acquisition costs — annuity segment	(934)		196		(738)
Annuity benefits accumulated	(324)		68		(256)
Life, accident and health reserves	(3)		—		(3)
Unearned revenue	11		(2)		9
Total net unrealized gain on marketable securities	$	1,589	$	(334)	$	1,255
December 31, 2019
Net unrealized gain on:
Fixed maturities — annuity segment (*)	$	1,611	$	(338)	$	1,273
Fixed maturities — all other	370		(78)		292
Total fixed maturities	1,981		(416)		1,565
Deferred policy acquisition costs — annuity segment	(681)		143		(538)
Annuity benefits accumulated	(219)		46		(173)
Life, accident and health reserves	(1)		—		(1)
Unearned revenue	11		(2)		9
Total net unrealized gain on marketable securities	$	1,091	$	(229)	$	862

(*)Net 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.

	2020		2019		2018
Investment income:
Fixed maturities	$	1,880	$	1,915	$	1,742
Equity securities:
Dividends	63		85		79
Change in fair value (a) (b)	24		39		22
Equity in earnings of partnerships and similar investments	98		154		161
Other	96		132		112
Gross investment income	2,161		2,325		2,116
Investment expenses	(29)		(22)		(22)
Net investment income (b)	$	2,132	$	2,303	$	2,094

(a)Although the change in the fair value of the majority of AFG’s equity securities is recorded in realized gains (losses) on securities, AFG records holding gains and losses in net investment income on equity securities classified as “trading” under previous guidance and on a small portfolio of limited partnership and similar investments that do not qualify for the equity method of accounting.

(b)Net investment income in 2020 includes losses of $5 million on investments held by the companies that comprise the Neon exited lines due primarily to the $7 million loss recorded in first quarter of 2020 on equity securities that are carried at fair value through net investment income.

Realized gains (losses) and changes in unrealized appreciation (depreciation) included in AOCI related to fixed maturity securities are summarized as follows (in millions):

	2020								2019
	Realized gains (losses)								Realized gains (losses)
	Before Impairments		Impairment (Allowance)		Total		Change in Unrealized		Before Impairments		Impairments		Total		Change in Unrealized
Fixed maturities (a)	$	468	$	(46)	$	422	$	858	$	26	$	(29)	$	(3)	$	1,821
Equity securities	(96)		—		(96)		—		277		—		277		—
Mortgage loans and other investments	4		—		4		—		3		—		3		—
Other (b)	(52)		11		(41)		(360)		—		10		10		(835)
Total pretax	324		(35)		289		498		306		(19)		287		986
Tax effects	(68)		7		(61)		(105)		(64)		4		(60)		(207)
Net of tax	$	256	$	(28)	$	228	$	393	$	242	$	(15)	$	227	$	779

	2018
	Realized gains (losses)
	Before Impairments		Impairments		Total		Change in Unrealized
Fixed maturities	$	6	$	(26)	$	(20)	$	(1,181)
Equity securities	(265)		—		(265)		—
Mortgage loans and other investments	1		—		1		—
Other (b)	11		7		18		502
Total pretax	(247)		(19)		(266)		(679)
Tax effects	52		4		56		143
Net of tax	$	(195)	$	(15)	$	(210)	$	(536)

(a)Includes realized gains of $415 million on investments disposed of in AFG’s 2020 annuity block reinsurance transaction. See Note P — Insurance.

(b)Primarily adjustments to deferred policy acquisition costs and reserves related to the annuity business.

All equity securities other than those accounted for under the equity method are carried at fair value through net earnings. AFG recorded net holding gains (losses) on equity securities during 2020, 2019 and 2018 on securities that were still owned at December 31 of each year presented as follows (in millions):

	2020		2019		2018
Included in realized gains (losses)	$	(70)	$	169	$	(279)
Included in net investment income	24		38		22
	$	(46)	$	207	$	(257)

Gross realized gains and losses (excluding impairment charges and mark-to-market of derivatives) on available for sale fixed maturity investment transactions consisted of the following (in millions):

	2020		2019		2018
Gross gains	$	526	$	35	$	22
Gross losses	(55)		(19)		(14)

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Derivatives

12 Months Ended

Dec. 31, 2020

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Derivatives

Derivatives

As discussed under “Derivatives” in Note A — “Accounting Policies,” 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):

		December 31, 2020				December 31, 2019
Derivative	Balance Sheet Line	Asset		Liability		Asset		Liability
MBS with embedded derivatives	Fixed maturities	$	174	$	—	$	102	$	—
Public company warrants	Equity securities	—		—		—		—
Fixed-indexed and variable-indexed annuities (embedded derivative)	Annuity benefits accumulated	—		3,933		—		3,730
Equity index call options	Equity index call options	825		—		924		—
Equity index put options	Other liabilities	—		5		—		1
Reinsurance contract (embedded derivative)	Other liabilities	—		5		—		4
		$	999	$	3,943	$	1,026	$	3,735

The MBS with embedded derivatives consist of primarily interest-only and principal-only MBS. 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 overall 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 are required to be carried at fair value through earnings.

AFG’s fixed-indexed and variable-indexed annuities provide policyholders with a crediting rate tied, in part, to the performance of an existing stock market or other financial index. AFG attempts to mitigate the risk in the index-based component of these products through the purchase and sale of call and put options on the appropriate index. AFG receives collateral from certain counterparties to support its purchased call option assets (net of collateral required under put option contracts with the same counterparties). This collateral ($351 million at December 31, 2020 and $577 million at December 31, 2019) 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 the net change in the fair value of the call option assets and put option liabilities will generally offset the economic change in the net liability from the index participation. Both the index-based component of the annuities (an embedded derivative) and the related call and put options are considered derivatives that must be adjusted for changes in fair value 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. Fluctuations in certain of these factors, such as changes in interest rates and the performance of the stock market, are not economic in nature for the current reporting period, but rather impact the timing of reported results.

As discussed under “Reinsurance” in Note A, AFG has a life business reinsurance contract that is considered to contain an embedded derivative.

The following table summarizes the gains (losses) included in AFG’s Statement of Earnings for changes in the fair value of derivatives that do not qualify for hedge accounting for 2020, 2019 and 2018 (in millions):

Derivative	Statement of Earnings Line	2020		2019		2018
MBS with embedded derivatives	Realized gains (losses) on securities	$	(3)	$	10	$	(7)
Public company warrants	Realized gains (losses) on securities	—		(1)		(3)
Fixed-indexed and variable-indexed annuities (embedded derivative) (*)	Annuity benefits	(283)		(919)		204
Equity index call options	Annuity benefits	223		804		(298)
Equity index put options	Annuity benefits	3		2		(1)
Reinsurance contracts (embedded derivative)	Net investment income	(1)		(2)		2
		$	(61)	$	(106)	$	(103)

(*)The change in fair value of the embedded derivative includes a favorable adjustment related to the unlocking of actuarial assumptions of $240 million in 2020 and $181 million in 2019 and losses of $44 million in 2018.

Derivatives Designated and Qualifying as Cash Flow Hedges   As of December 31, 2020, Great American Life Insurance (“GALIC”), AFG’s principal annuity subsidiary, has nine active interest rate swaps that are designated and qualify as highly effective cash flow hedges to mitigate interest rate risk related to certain floating-rate securities included in GALIC’s portfolio of fixed maturity securities. The purpose of each of these swaps is to effectively convert a portion of GALIC’s floating-rate fixed maturity securities to fixed rates by offsetting the variability in cash flows attributable to changes in short-term LIBOR.

Under the terms of the swaps, GALIC receives fixed-rate interest payments in exchange for variable interest payments based on short-term LIBOR. The notional amounts of the interest rate swaps generally decline over each swap’s respective life (the swaps expire between December 2023 and June 2030) in anticipation of the expected decline in GALIC’s portfolio of fixed maturity securities with floating interest rates based on short-term LIBOR. The total outstanding notional amount of GALIC’s interest rate swaps was $1.63 billion at December 31, 2020 compared to $1.98 billion at December 31, 2019, reflecting the scheduled amortization discussed above, the termination of a swap with a total notional amount of $83 million in the first quarter of 2020, the termination of two swaps with a total notional amount of $166 million in the second quarter 2020 and the expiration of a swap with a notional amount of $44 million in the second quarter 2020. The fair value of the interest rate swaps in an asset position and included in other assets was $102 million at December 31, 2020 and $50 million at December 31, 2019. The fair value of the interest rate swaps in a liability position and included in other liabilities was zero at December 31, 2020 and $5 million at December 31, 2019. The net unrealized gain or loss on cash flow hedges is included in AOCI, net of DPAC and deferred taxes. Amounts reclassified from AOCI (before DPAC and taxes) to net investment income were income of $40 million in 2020, $3 million in 2019 and losses of $3 million in 2018. A collateral receivable supporting these swaps of $2 million at December 31, 2020 and $20 million at December 31, 2019 is included in other assets in AFG’s Balance Sheet.

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Deferred Policy Acquisition Costs

12 Months Ended

Dec. 31, 2020

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
	Deferred		Deferred		Sales										Consolidated
	Costs		Costs		Inducements		PVFP		Subtotal		Unrealized (*)		Total		Total
Balance at December 31, 2017	$	270	$	1,217	$	102	$	49	$	1,368	$	(422)	$	946	$	1,216
Additions	675		263		2		—		265		—		265		940
Amortization:
Periodic amortization	(644)		(238)		(19)		(7)		(264)		—		(264)		(908)
Annuity unlocking	—		29		—		—		29		—		29		29
Included in realized gains	—		14		1		—		15		—		15		15
Foreign currency translation	(2)		—		—		—		—		—		—		(2)
Change in unrealized	—		—		—		—		—		392		392		392
Balance at December 31, 2018	299		1,285		86		42		1,413		(30)		1,383		1,682
Additions	744		206		2		—		208		—		208		952
Amortization:
Periodic amortization	(721)		(120)		(13)		(6)		(139)		—		(139)		(860)
Annuity unlocking	—		(76)		(1)		—		(77)		—		(77)		(77)
Included in realized gains	—		8		1		—		9		—		9		9
Foreign currency translation	—		—		—		—		—		—		—		—
Change in unrealized	—		—		—		—		—		(669)		(669)		(669)
Balance at December 31, 2019	322		1,303		75		36		1,414		(699)		715		1,037
Additions	547		154		2		—		156		—		156		703
Amortization:
Periodic amortization	(615)		(127)		(9)		(6)		(142)		—		(142)		(757)
Annuity unlocking	—		(118)		4		—		(114)		—		(114)		(114)
Included in realized gains	—		(42)		1		—		(41)		—		(41)		(41)
Foreign currency translation	—		—		—		—		—		—		—		—
Other	(10)		—		—		—		—		—		—		(10)
Change in unrealized	—		—		—		—		—		(272)		(272)		(272)
Balance at December 31, 2020	$	244	$	1,170	$	73	$	30	$	1,273	$	(971)	$	302	$	546

(*)Adjustments to DPAC related to net unrealized gains/losses on securities and cash flow hedges.

The present value of future profits (“PVFP”) amounts in the table above are net of $160 million and $154 million of accumulated amortization at December 31, 2020 and 2019, respectively. During each of the next five years, the PVFP is expected to decrease at a rate of approximately one-seventh of the balance at the beginning of each respective year.

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Managed Investment Entities

12 Months Ended

Dec. 31, 2020

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

Managed Investment Entities

Managed Investment EntitiesAFG is the investment manager and its subsidiaries have investments ranging from 15.0% to 100.0% of the most subordinate debt tranche of twelve active collateralized loan obligation entities (“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 2012 and 2020, 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 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 the CLOs that it manages is limited to its investment in those CLOs, which had an aggregate fair value of $200 million (including $111 million invested in the most subordinate tranches) at December 31, 2020, and $165 million at December 31, 2019.

In 2020, AFG formed a new CLO, which issued $303 million face amount of liabilities (including $31 million face amount purchased by subsidiaries of AFG). During 2020, AFG subsidiaries purchased $57 million face amount of senior and subordinate tranches of existing CLOs for $39 million and received $2 million in sale and redemption proceeds from its CLO investments. During 2019, AFG subsidiaries received less than $1 million in redemption proceeds from their CLO investments. In 2018, AFG formed a new CLO, which issued $463 million face amount of liabilities (including $31 million face amount purchased by subsidiaries of AFG). During 2018, AFG subsidiaries also purchased $7 million face amount of a senior debt tranche of an existing CLO for $7 million and received $45 million in sale and redemption proceeds from its CLO investments. In 2018, two AFG CLOs were substantially liquidated, as permitted by the CLO indentures.

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

	Year ended December 31,
	2020		2019		2018
Investment in CLO tranches	$	200	$	165	$	188
Gains (losses) on change in fair value of assets/liabilities (a):
Assets	(69)		80		(189)
Liabilities	30		(110)		168
Management fees paid to AFG	15		15		16
CLO earnings attributable to AFG Shareholders (b)	(2)		4		7

(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 $150 million and $146 million at December 31, 2020 and 2019, respectively. The aggregate unpaid principal balance of the CLOs’ debt exceeded its carrying value by $141 million and $129 million at those dates. The CLO assets include loans with an aggregate fair value of $11 million at December 31, 2020 and $10 million at December 31, 2019, for which the CLOs are not accruing interest because the loans are in default (aggregate unpaid principal balance of $28 million at December 31, 2020 and $25 million at December 31, 2019).

In addition to the CLOs that it manages, AFG had investments in CLOs that are managed by third parties (therefore not consolidated), which are included in available for sale fixed maturity securities and had a fair value of $4.55 billion at December 31, 2020 and $4.28 billion at December 31, 2019.

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Goodwill and Other Intangibles

12 Months Ended

Dec. 31, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Other Intangibles

Goodwill and Other Intangibles

Changes in the carrying value of goodwill during 2018, 2019 and 2020, by reporting segment, are presented in the following table (in millions):

	Property and Casualty		Annuity		Total
Balance at January 1, 2018	$	168	$	31	$	199
Acquisition of subsidiary in 2018	8		—		8
Balance at December 31, 2018, 2019 and 2020	$	176	$	31	$	207

Goodwill increased by $8 million in the fourth quarter of 2018 due to the purchase of ABAIS as discussed in Note B — “Acquisitions and Sale of Businesses.”

Included in other assets in AFG’s Balance Sheet is $34 million at December 31, 2020 and $43 million at December 31, 2019 of amortizable intangible assets related to property and casualty insurance acquisitions. These amounts are net of accumulated amortization of $62 million and $50 million, respectively. Amortization of intangibles was $12 million in 2020,

$11 million in 2019 and $9 million in 2018. Future amortization of intangibles (weighted average amortization period of 3 years) is estimated to be $6 million in 2021, $4 million per year in 2022, 2023, 2024 and 2025 and $12 million thereafter.

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Long-Term Debt

12 Months Ended

Dec. 31, 2020

Debt Disclosure [Abstract]

Long-Term Debt

Long-Term Debt

Long-term debt consisted of the following at December 31 (in millions):

	2020						2019
	Principal		Discount and Issue Costs		Carrying Value		Principal		Discount and Issue Costs		Carrying Value
Direct Senior Obligations of AFG:
4.50% Senior Notes due June 2047	$	590	$	(2)	$	588	$	590	$	(2)	$	588
3.50% Senior Notes due August 2026	425		(3)		422		425		(3)		422
5.25% Senior Notes due April 2030	300		(6)		294		—		—		—
Other	3		—		3		3		—		3
	1,318		(11)		1,307		1,018		(5)		1,013
Direct Subordinated Obligations of AFG:
4.50% Subordinated Debentures due September 2060	200		(5)		195		—		—		—
5.125% Subordinated Debentures due December 2059	200		(6)		194		200		(6)		194
5.625% Subordinated Debentures due June 2060	150		(4)		146		—		—		—
5.875% Subordinated Debentures due March 2059	125		(4)		121		125		(4)		121
6% Subordinated Debentures due November 2055	—		—		—		150		(5)		145
	675		(19)		656		475		(15)		460
	$	1,993	$	(30)	$	1,963	$	1,493	$	(20)	$	1,473

AFG has no scheduled principal payments on its long-term debt in the next five years.

In September 2020, AFG issued $200 million in 4.50% Subordinated Debentures due in September 2060. The net proceeds of this offering were used, in part, to redeem AFG’s $150 million in 6% Subordinated Debentures due in November 2055 at par value on November 15, 2020.

In April and May 2020, AFG issued $300 million in 5.25% Senior Notes due in April 2030 and $150 million in 5.625% Subordinated Debentures due in June 2060, respectively. The net proceeds of these offerings were used for general corporate purposes, which included repurchases of outstanding common shares.

In December 2019, AFG issued $200 million in 5.125% Subordinated Debentures due in December 2059. The net proceeds of the offering were used, in part, to redeem AFG’s $150 million of 6-1/4% Subordinated Debentures due in September 2054 at par value in December 2019.

In March 2019, AFG issued $125 million in 5.875% Subordinated Debentures due in March 2059.

In December 2020, AFG replaced its existing credit facility with a new five-year, $500 million revolving credit facility which expires in December 2025. 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 December 31, 2020 or under AFG’s previous credit facility at December 31, 2019.

Cash interest payments on long-term debt were $83 million in 2020, $65 million in 2019 and $59 million in 2018.

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Leases

12 Months Ended

Dec. 31, 2020

Leases [Abstract]

Leases

LeasesAFG and its subsidiaries lease real estate that is primarily used for office space and, to a lesser extent, equipment under operating lease arrangements. Most of AFG’s real estate leases include an option to extend or renew the lease term at AFG’s option. The operating lease liability includes lease payments related to options to extend or renew the lease term if AFG is reasonably certain of exercising those options. Lease payments are discounted using the implicit discount rate in the lease. If the implicit discount rate for the lease cannot be readily determined, AFG uses an estimate of its incremental

secured borrowing rate. AFG did not have any material contracts accounted for as finance leases at December 31, 2020 or December 31, 2019.

AFG’s operating lease right-of-use asset (net of deferred rent and lease incentives) and operating lease liability are included in other assets and other liabilities, respectively, in AFG’s Balance Sheet at December 31 and are presented in the following table (in millions):

	2020		2019
Right-of-use asset (*)	$	139	$	158
Lease liability	159		180

(*)Net of deferred rent and lease incentives of $20 million at December 31, 2020 and $22 million at December 31, 2019.

The following table details AFG’s lease activity for the years ended December 31, 2020 and December 31, 2019 (in millions):

	2020		2019
Lease expense:
Operating leases	$	47	$	46
Short-term leases	—		1
Total lease expense	$	47	$	47

Other operating lease information for the years ended December 31, 2020 and December 31, 2019 (in millions):

	2020		2019
Cash paid for lease liabilities reported in operating cash flows	$	50	$	49
Right-of-use assets obtained under new leases	25		19

The following table presents the undiscounted contractual maturities of AFG’s operating lease liability at December 31, 2020 (in millions):

Operating lease payments:
2021	$	43
2022	35
2023	29
2024	23
2025	20
Thereafter	28
Total lease payments	178
Impact of discounting	(19)
Operating lease liability	$	159

Weighted-average remaining lease term	5.4 years
Weighted-average discount rate	3.9	%

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Shareholders' Equity

12 Months Ended

Dec. 31, 2020

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.

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. At December 31, 2020, there were 3.9 million shares of AFG Common Stock reserved for issuance under AFG’s stock incentive plans.

The restricted Common Stock that AFG has granted generally vests over a four-year period. Data relating to grants of restricted stock is presented below:

	Shares	Average Grant Date Fair Value
Outstanding at January 1, 2020	919,935	$	91.10
Granted	227,867	$	104.15
Vested	(285,888)	$	67.65
Forfeited	(43,681)	$	101.97
Outstanding at December 31, 2020	818,233	$	101.65

The total fair value of restricted stock that vested during 2020, 2019 and 2018 was $19 million, $11 million and $10 million, respectively.

AFG has not granted any stock options since 2015. Options granted in prior years have an exercise price equal to the market price of AFG Common Stock at the date of grant. Options generally became exercisable at the rate of 20% per year commencing one year after grant and expire ten years after the date of grant.

Data for stock options issued under AFG’s stock incentive plans is presented below:

	Shares	Average Exercise Price		Average Remaining Contractual Term	Aggregate Intrinsic Value (in millions)
Outstanding at January 1, 2020	1,917,790	$	50.93
Exercised	(328,471)	$	43.69
Forfeited/Cancelled	(225)	$	63.15
Outstanding at December 31, 2020	1,589,094	$	52.43	2.8 years	$	56
Options exercisable at December 31, 2020	1,589,094	$	52.43	2.8 years	$	56

The total intrinsic value of options exercised during 2020, 2019 and 2018 was $17 million, $46 million and $57 million, respectively. During 2020, 2019 and 2018, AFG received $14 million, $31 million and $29 million, respectively, in cash from the exercise of stock options. The total tax benefit related to the exercises was $3 million, $8 million and $9 million during those years, respectively.

Total compensation expense related to stock incentive plans of AFG and its subsidiaries was $20 million for 2020 and $23 million for 2019 and 2018. AFG’s provision for income tax includes tax benefits of $9 million in 2020 and $13 million in 2019 and 2018 related to AFG’s stock incentive plans. At December 31, 2020, there was $35 million of unrecognized compensation expense related to restricted stock awards, which is expected to be recognized over a weighted average of 2.5 years. At December 31, 2020, there was no unrecognized compensation expense related to unvested stock options.

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 (Loss)
	AOCI Beginning Balance		Pretax		Tax		Net of tax		Attributable to noncontrolling interests		Attributable to shareholders		Other (b)		AOCI Ending Balance
Year ended December 31, 2020
Net unrealized gains (losses) on securities:
Unrealized holding gains on securities arising during the period			$	887	$	(187)	$	700	$	—	$	700
Reclassification adjustment for realized (gains) losses included in net earnings (a)			(389)		82		(307)		—		(307)
Total net unrealized gains (losses) on securities	$	862	498		(105)		393		—		393		$	—	$	1,255
Net unrealized gains (losses) on cash flow hedges	17		30		(6)		24		—		24		—		41
Foreign currency translation adjustments	(9)		(1)		—		(1)		(2)		(3)		(4)		(16)
Pension and other postretirement plans adjustments	(7)		—		—		—		—		—		—		(7)
Total	$	863	$	527	$	(111)	$	416	$	(2)	$	414	$	(4)	$	1,273
Year ended December 31, 2019
Net unrealized gains on securities:
Unrealized holding gains on securities arising during the period			$	997	$	(209)	$	788	$	—	$	788
Reclassification adjustment for realized (gains) losses included in net earnings (a)			(11)		2		(9)		—		(9)
Total net unrealized gains on securities	$	83	986		(207)		779		—		779		$	—	$	862
Net unrealized gains (losses) on cash flow hedges	(11)		36		(8)		28		—		28		—		17
Foreign currency translation adjustments	(16)		7		—		7		—		7		—		(9)
Pension and other postretirement plans adjustments	(8)		1		—		1		—		1		—		(7)
Total	$	48	$	1,030	$	(215)	$	815	$	—	$	815	$	—	$	863
Year ended December 31, 2018
Net unrealized gains (losses) on securities:
Unrealized holding losses on securities arising during the period			$	(689)	$	145	$	(544)	$	—	$	(544)
Reclassification adjustment for realized (gains) losses included in net earnings (a)			10		(2)		8		—		8
Total net unrealized gains (losses) on securities	$	840	(679)		143		(536)		—		(536)		$	(221)	$	83
Net unrealized gains (losses) on cash flow hedges	(13)		2		—		2		—		2		—		(11)
Foreign currency translation adjustments	(6)		(9)		(1)		(10)		—		(10)		—		(16)
Pension and other postretirement plans adjustments	(8)		—		—		—		—		—		—		(8)
Total	$	813	$	(686)	$	142	$	(544)	$	—	$	(544)	$	(221)	$	48

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

OCI component	Affected line in the statement of earnings
Pretax	Realized gains (losses) on securities
Tax	Provision (credit) for income taxes

(b)On January 1, 2018, AFG adopted new guidance that requires all equity securities other than those accounted for under the equity method to be reported at fair value with holding gains and losses recognized in net earnings. At the date of adoption, the $221 million net unrealized gain on equity securities classified as available for sale (with unrealized holding gains and losses reported in AOCI) under the prior guidance was reclassified from AOCI to retained earnings as the cumulative effect of an accounting change.

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Income Taxes

12 Months Ended

Dec. 31, 2020

Income Tax Disclosure [Abstract]

Income Taxes

Income Taxes

The following is a reconciliation of income taxes at the statutory rate of 21% to the provision for income taxes as shown in AFG’s Statement of Earnings (dollars in millions):

	2020				2019				2018
	Amount		% of EBT		Amount		% of EBT		Amount		% of EBT
Earnings before income taxes (“EBT”)	$	848			$	1,108			$	639
Income taxes at statutory rate	$	178	21	%	$	233	21	%	$	134	21	%
Effect of:
Tax exempt interest	(12)		(1	%)	(14)		(1	%)	(13)		(2	%)
Stock-based compensation	(4)		—	%	(8)		(1	%)	(8)		(1	%)
Dividend received deduction	(3)		—	%	(4)		—	%	(4)		(1	%)
Adjustment to prior year taxes	(1)		—	%	(3)		—	%	(8)		(1	%)
Employee stock ownership plan dividend paid deduction	(2)		—	%	(2)		—	%	(3)		(1	%)
Tax benefit related to sale of Neon	(72)		(8	%)	—		—	%	—		—	%
Change in valuation allowance	(117)		(14	%)	17		2	%	11		2	%
Foreign operations	149		18	%	4		—	%	(2)		—	%
Nondeductible expenses	5		1	%	8		1	%	7		1	%
Other	6		(2	%)	8		—	%	8		1	%
Provision for income taxes as shown in the statement of earnings	$	127	15	%	$	239	22	%	$	122	19	%

On December 31, 2020, AFG completed the sale of the legal entities that own Neon Underwriting Limited (“Neon”, formerly known as Marketform Group Limited), a United Kingdom-based Lloyd’s insurer (see Note B — “Acquisitions and Sale of Businesses”), which resulted in a taxable loss for U.S. tax purposes. AFG recorded a $72 million tax benefit associated with this loss in 2020. Approximately $65 million of the $72 million tax benefit reduced current taxes payable while the remaining tax benefit will be received from the carry-back of the tax-basis capital loss to offset capital gains in prior tax years.

Due to uncertainty concerning the realization of the deferred tax benefits associated with losses incurred at Neon and its predecessor, Marketform, AFG maintained a full valuation allowance against the deferred tax assets related to the Lloyd’s insurance business. The effect of foreign operations and change in valuation allowance in 2020 in the table above reflect the transfer of the deferred tax assets related to Neon, to the buyer at closing, and the corresponding reduction in the valuation allowance. The changes in valuation allowance in 2019 and 2018 are primarily increases in the valuation allowance on tax benefits related to losses in the Neon Lloyd’s insurance business.

Excluding the impact of the $72 million tax benefit on the sale and other impacts of Neon in 2020, AFG’s effective tax rate for the year ended December 31, 2020, was 21%.

Since almost all of AFG’s earnings are taxable based on U.S. tax rates, the Global Intangible Low-taxed Income (“GILTI”) provision is not expected to be material to AFG’s results of operations and will be recorded in the period that any tax arises.

AFG’s 2013 — 2020 tax years remain subject to examination by the IRS.

Total earnings before income taxes include losses subject to tax in foreign jurisdictions of $131 million in 2020, $109 million in 2019 and $69 million in 2018, primarily related to the Neon Lloyd’s operations.

The total income tax provision consists of (in millions):

	2020		2019		2018
Current taxes:
Federal	$	101	$	250	$	196
State	6		10		8
Foreign	3		2		—
Deferred taxes:
Federal	17		(23)		(82)
Provision for income taxes	$	127	$	239	$	122

For income tax purposes, AFG and its subsidiaries had the following carryforwards available at December 31, 2020 (in millions):

	Expiring	Amount
Operating Loss – U.S.	2021 - 2022	$	69
Operating Loss – United Kingdom	indefinite	34		(*)

(*)£25 million

Deferred income tax assets and liabilities reflect temporary differences between the carrying amounts of assets and liabilities recognized for financial reporting purposes and the amounts recognized for tax purposes. The significant components of deferred tax assets and liabilities included in AFG’s Balance Sheet at December 31 were as follows (in millions):

	2020						2019
	Excluding Unrealized Gains		Impact of Unrealized Gains		Total		Excluding Unrealized Gains		Impact of Unrealized Gains		Total
Deferred tax assets:
Federal net operating loss carryforwards	$	15	$	—	$	15	$	19	$	—	$	19
Foreign underwriting losses	6		—		6		118		—		118
Capital loss carryforwards	7		—		7		—		—		—
Insurance claims and reserves	772		68		840		829		46		875
Employee benefits	104		—		104		93		—		93
Other, net	50		(2)		48		45		(2)		43
Total deferred tax assets before valuation allowance	954		66		1,020		1,104		44		1,148
Valuation allowance against deferred tax assets	(29)		—		(29)		(140)		—		(140)
Total deferred tax assets	925		66		991		964		44		1,008
Deferred tax liabilities:
Investment securities	(167)		(596)		(763)		(140)		(416)		(556)
Deferred policy acquisition costs	(267)		196		(71)		(293)		143		(150)
Insurance claims and reserves transition liability	(77)		—		(77)		(93)		—		(93)
Real estate, property and equipment	(37)		—		(37)		(35)		—		(35)
Total deferred tax liabilities	(548)		(400)		(948)		(561)		(273)		(834)
Net deferred tax asset (liability)	$	377	$	(334)	$	43	$	403	$	(229)	$	174

AFG’s net deferred tax asset at December 31, 2020 and 2019 is included in other assets in AFG’s Balance Sheet. The decrease in AFG’s net deferred tax asset at December 31, 2020 compared to December 31, 2019 reflects higher pretax unrealized gains on securities.

The likelihood of realizing deferred tax assets is reviewed periodically; any adjustments required to the valuation allowance are made in the period during which developments requiring an adjustment become known.

The gross deferred tax asset has been reduced by a $15 million valuation allowance related to AFG’s net operating loss carryforwards (“NOL”) subject to the separate return limitation year (“SRLY”) tax rules. A SRLY NOL can be used only by the entity that created it and only in years that both it and the consolidated group have taxable income. Approximately $23 million of AFG’s SRLY NOLs expired unutilized at December 31, 2020. Since AFG maintains a full valuation allowance against its SRLY NOLs, the expiration of these loss carryforwards was offset by corresponding reduction in the valuation allowance and had no overall impact on AFG’s income tax expense or results of operations. “Foreign underwriting losses” in 2019 in the table above is primarily the net operating loss carryforward and other deferred tax assets related to the Neon Lloyd’s insurance business, which was sold in December 2020. Due to uncertainty concerning the realization of the deferred tax benefits associated with these losses, AFG maintained a full valuation allowance of $118 million against these deferred tax assets at December 31, 2019.

At December 31, 2020 and December 31, 2019, there are no unrecognized tax benefits and related interest and penalties that, if recognized, would impact the effective tax rate. There is no interest expense related to unrecognized tax benefits included in AFG’s provision for income taxes in 2020 or 2019; AFG’s provision for income taxes in 2018 included interest expense related to unrecognized tax benefits of less than $1 million (net of federal benefit or expense). There is no liability for interest related to unrecognized tax benefits at December 31, 2020 or December 31, 2019. There were no penalties related to unrecognized tax benefits included in AFG’s provision for income taxes in 2020. AFG’s provision for income taxes in 2019 and 2018 included penalties of less than $1 million in each year. There is no liability for penalties related to unrecognized tax benefits at December 31, 2020 or December 31, 2019.

Cash payments for income taxes, net of refunds, were $179 million, $278 million and $156 million for 2020, 2019 and 2018, respectively.

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Contingencies

12 Months Ended

Dec. 31, 2020

Commitments and Contingencies Disclosure [Abstract]

Contingencies

Contingencies

Establishing property and casualty insurance reserves for claims related to environmental exposures, asbestos and other mass tort claims is subject to uncertainties that are significantly greater than those presented by other types of claims. For this group of claims, traditional actuarial techniques that rely on historical loss development trends cannot be used and a range of reasonably possible losses cannot be estimated. In addition, accruals (included in other liabilities) have been recorded for various environmental and occupational injury and disease claims and other contingencies arising out of the railroad operations disposed of by American Premier’s predecessor, Penn Central Transportation Company (“PCTC”) and its subsidiaries, prior to its bankruptcy reorganization in 1978 and certain manufacturing operations disposed of by American Premier and Great American Financial Resources, Inc. (“GAFRI”).

AFG completed a comprehensive external study of its asbestos and environmental (“A&E”) exposures in the third quarter of 2020 with the aid of specialty actuarial, engineering and consulting firms and outside counsel. The study resulted in special A&E charges of $47 million for the property and casualty group and $21 million for the former railroad and manufacturing operations. AFG completed an in-depth internal review of its A&E exposures in the third quarter of 2019. The review resulted in special A&E charges of $18 million for the property and casualty group and $11 million for the former railroad and manufacturing operations. AFG also completed an in-depth internal review of its A&E exposures in the third quarter of 2018, which resulted in special A&E charges of $18 million for the property and casualty group and $9 million for the former railroad and manufacturing operations.

The property and casualty group’s liability for A&E reserves was $572 million at December 31, 2020; related recoverables from reinsurers (net of allowances for doubtful accounts) at that date were $150 million.

At December 31, 2020, American Premier and its subsidiaries had liabilities for environmental and personal injury claims and other contingencies aggregating $94 million. The environmental claims consist of a number of proceedings and claims seeking to impose responsibility for hazardous waste remediation costs related to certain sites formerly owned or operated by the railroad and manufacturing operations. Remediation costs are difficult to estimate for a number of reasons, including the number and financial resources of other potentially responsible parties, the range of costs for remediation alternatives, changing technology and the time period over which these matters develop. The personal injury claims and other contingencies include pending and expected claims, primarily by former employees of PCTC, for injury or disease allegedly caused by exposure to excessive noise, asbestos or other substances in the workplace and other labor disputes.

At December 31, 2020, GAFRI had a liability of $7 million for environmental costs and certain other matters associated with the sales of its former manufacturing operations.

In December 2015, AFG completed the sale of substantially all of its run-off long-term care insurance business to HC2 Holdings, Inc. (“HC2”). In connection with obtaining regulatory approval for the transaction, AFG agreed to provide up to an aggregate of $35 million of capital support for the insurance companies, on an as-needed basis to maintain specified surplus levels, subject to immediate reimbursement by HC2 through a five-year capital maintenance agreement. AFG was released of any obligation to perform under this agreement in the first quarter of 2020.

While management believes AFG has recorded adequate reserves for the items discussed above, the outcome is uncertain and could result in liabilities that may vary from amounts AFG has currently recorded. Such amounts could have a material effect on AFG’s future results of operations and financial condition.

In addition, AFG and its subsidiaries are involved in litigation from time to time, generally arising in the ordinary course of business. This litigation may include, but is not limited to, general commercial disputes, lawsuits brought by policyholders, employment matters, reinsurance collection matters and actions challenging certain business practices of insurance subsidiaries. None of these matters are expected to have a material adverse impact on AFG’s results of operations or financial condition.

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Quarterly Operating Results (Unaudited)

12 Months Ended

Dec. 31, 2020

Quarterly Financial Information Disclosure [Abstract]

Quarterly Operating Results (Unaudited)

Quarterly Operating Results (Unaudited)

The operations of certain AFG business segments are seasonal in nature. While insurance premiums are recognized on a relatively level basis, claim losses related to adverse weather (snow, hail, hurricanes, severe storms, tornadoes, etc.) may be seasonal. The profitability of AFG’s crop insurance business is primarily recognized during the second half of the year as crop prices and yields are determined. Quarterly results necessarily rely heavily on estimates. These estimates and certain other factors, such as the discretionary sales of assets, cause the quarterly results not to be necessarily indicative of results for longer periods of time.

The following are quarterly results of consolidated operations for the two years ended December 31, 2020 (in millions, except per share amounts). Quarterly earnings per share do not add to year-to-date amounts due to changes in shares outstanding.

	1st Quarter		2nd Quarter		3rd Quarter		4th Quarter		Total Year
2020
Revenues	$	1,275	$	1,951	$	2,060	$	2,623	$	7,909
Net earnings (loss), including noncontrolling interests	(304)		167		164		694		721
Net earnings (loss) attributable to shareholders	(301)		177		164		692		732
Earnings (loss) attributable to shareholders per Common Share:
Basic	$	(3.34)	$	1.98	$	1.86	$	7.99	$	8.25
Diluted	(3.34)		1.97		1.86		7.93		8.20
Average number of Common Shares:
Basic	90.3		89.7		88.2		86.6		88.7
Diluted	90.3		90.0		88.5		87.2		89.2
2019
Revenues	$	2,024	$	1,960	$	2,123	$	2,130	$	8,237
Net earnings (losses), including noncontrolling interests	326		209		143		191		869
Net earnings (losses) attributable to shareholders	329		210		147		211		897
Earnings (losses) attributable to shareholders per Common Share:
Basic	$	3.68	$	2.34	$	1.64	$	2.33	$	9.98
Diluted	3.63		2.31		1.62		2.31		9.85
Average number of Common Shares:
Basic	89.4		89.7		90.0		90.2		89.9
Diluted	90.7		91.0		91.1		91.3		91.0

Pretax realized gains (losses) on securities were as follows (in millions):

	1st Quarter		2nd Quarter		3rd Quarter		4th Quarter		Total Year
2020 — change in fair value of equity securities	$	(535)	$	202	$	30	$	207	$	(96)
2020 — other realized gains (losses)	(16)		2		15		384		385
2019 — change in fair value of equity securities	182		44		(15)		67		278
2019 — other realized gains (losses)	2		12		(3)		(2)		9

Other realized gains in the fourth quarter of 2020 includes realized gains of $369 million (net of DPAC) on investments disposed of in AFG’s annuity block reinsurance transaction.

Net investment income, which includes mark-to-market income/(losses) on alternative investments (partnerships and similar investments), was as follows (in millions):

	1st Quarter		2nd Quarter		3rd Quarter		4th Quarter		Total Year
2020 — net investment income before alternative investments	$	511	$	520	$	511	$	465	$	2,007
2020 — alternative investments	33		(52)		61		83		125
2019 — net investment income before alternative investments	516		531		531		545		2,123
2019 — alternative investments	26		49		57		48		180

The decline in net investment income before alternative investments in the fourth quarter of 2020 reflects primarily the disposition of fixed maturity investments in October 2020 related to the block reinsurance transaction.

FIAs provide policyholders with a crediting rate tied, in part, to the performance of an existing stock market or other financial index. AFG attempts to mitigate the risk in the index-based component of these products through the purchase and sale of call and put options on the appropriate index. AFG’s strategy is designed so that the change in the fair value of the call and put options will generally offset the economic change in the liabilities from the index participation. Both the index-based component of the annuities and the related call and put options are considered derivatives that must be marked-to-market through earnings each period. Fluctuations in interest rates and the stock market, among other factors, can cause volatility in the periodic measurement of these derivatives and other FIA liabilities over or under the cost of the equity index options purchased to mitigate the risk in the index-based component of those FIAs.

The impact of unlocking, changes in the fair value of derivatives related to FIAs, and other impacts of changes in the stock market and interest rates on the accounting for FIAs over or under the cost of the equity index options purchased to mitigate the risk in the index-based component of those FIAs, and beginning with the fourth quarter of 2020, the impact of the block reinsurance transaction entered into in October 2020 were as follows, net of the related acceleration/deceleration of the amortization of deferred policy acquisition costs and deferred sales inducements (in millions):

	1st Quarter		2nd Quarter		3rd Quarter		4th Quarter		Total Year
2020	$	(38)	$	(59)	$	(43)	$	(48)	$	(188)
2019	(11)		(33)		(27)		24		(47)

Favorable prior year development of AFG’s liability for property and casualty losses and loss adjustment expenses (”LAE”) was as follows (in millions):

	1st Quarter		2nd Quarter		3rd Quarter		4th Quarter		Total Year
2020	$	42	$	77	$	—	$	8	$	127
2019	45		41		12		45		143

Prior year development in the third quarters of 2020 and 2019 includes pretax special charges of $47 million and $18 million, respectively, to strengthen property and casualty insurance A&E reserves.

AFG’s property and casualty operations recorded catastrophe losses, including reinstatement premiums, as follows (in millions):

	1st Quarter		2nd Quarter		3rd Quarter		4th Quarter		Total Year
2020	$	(9)	$	(26)	$	(57)	$	(38)	$	(130)
2019	(12)		(12)		(22)		(15)		(61)

Catastrophe losses include $37 million and $13 million in 2020 and 2019, respectively, at Neon.

AFG’s property and casualty operations recorded $10 million and $105 million in COVID-19 related losses in the first and second quarters of 2020, respectively, which includes $20 million at Neon.

Results for the third quarter of 2020 and 2019 include pretax special charges of $21 million and $11 million, respectively, to strengthen reserves for A&E exposures related to AFG’s former railroad and manufacturing operations.

AFG recorded pretax losses on the retirement of debt of $5 million in both the fourth quarter 2020 and 2019, respectively.

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Insurance

12 Months Ended

Dec. 31, 2020

Insurance [Abstract]

Insurance

Insurance

Cash and securities owned by U.S.-based insurance subsidiaries, having a carrying value of approximately $1.12 billion at December 31, 2020, were on deposit as required by regulatory authorities. AFG and its subsidiaries had $308 million in undrawn letters of credit (none of which was collateralized) and similar agreements supporting Neon’s underwriting capacity, which were terminated in connection with the December 2020 sale of Neon.

Property and Casualty Insurance Reserves   Estimating the liability for unpaid losses and loss adjustment expenses (“LAE”) is inherently judgmental and is influenced by factors that are subject to significant variation. Determining the liability is a complex process incorporating input from many areas of the Company including actuarial, underwriting, pricing, claims and operations management.

The process used to determine the total reserve for liabilities involves estimating the ultimate incurred losses and LAE, adjusted for amounts already paid on the claims. The IBNR reserve is derived by first estimating the ultimate unpaid reserve liability and subtracting case reserves for loss and LAE.

In determining management’s best estimate of the ultimate liability, management (with the assistance of Company actuaries) considers items such as the effect of inflation on medical, hospitalization, material, repair and replacement costs, the nature and maturity of lines of insurance, general economic trends and the legal environment. In addition, historical trends adjusted for changes in underwriting standards, policy provisions, product mix and other factors are analyzed using actuarial reserve development techniques. Weighing all of the factors, the management team determines a single or “point” estimate that it records as its best estimate of the ultimate liability. Ranges of loss reserves are not developed by Company actuaries. This reserve analysis and review is completed each quarter and for almost every business within AFG’s property and casualty insurance sub-segments.

Each quarterly review includes in-depth analysis of several hundred subdivisions of the business, employing multiple actuarial techniques. For each subdivision, actuaries use informed, professional judgment to adjust these techniques as necessary to respond to specific conditions in the data or within the business.

Some of the standard actuarial methods employed for the quarterly reserve analysis may include (but may not be limited to):

•Case Incurred Development Method

•Paid Development Method

•Bornhuetter-Ferguson Method

•Incremental Paid LAE to Paid Loss Methods

Each method has particular strengths and weaknesses and no single estimation method is most accurate in all situations. When applied to a particular group of claims, the relative strengths and weaknesses of each method can change over time based on the facts and circumstances. Ultimately, the estimation methods chosen are those which the actuary believes produce the most reliable indication for the particular liabilities under review.

The period of time from the event triggering a claim through the settlement of the liability is referred to as the “tail”. Generally, the same actuarial methods are considered for both short-tail and long-tail lines of business because most of them work properly for both. The methods are designed to incorporate the effects of the differing length of time to settle particular claims. For nearly all lines of business, the actuaries rely heavily on the Bornhuetter-Ferguson method for more recent accident periods. As accident years mature and the underlying claim data becomes more credible, more weight is given to the Case Incurred and Paid Development methods. This transition occurs relatively quickly for short-tailed lines, and over a number of years for long-tail lines. Liability claims for long-tail lines are more susceptible to litigation and can be significantly affected by changing contract interpretation and the legal environment. Therefore, the estimation of loss reserves for these classes is more complex and subject to a higher degree of variability.

The level of detail in which data is analyzed varies among the different lines of business. Data is generally analyzed by major product or by coverage within product, using countrywide data; however, in some situations, data may be reviewed by state or region. Appropriate segmentation of the data is determined based on data credibility, homogeneity of development patterns, mix of business, and other actuarial considerations.

Supplementary statistical information is also reviewed to determine which methods are most appropriate to use or if adjustments are needed to particular methods. Such information includes:

•Open and closed claim counts

•Average case reserves and average incurred on open claims

•Closure rates and statistics related to closed and open claim percentages

•Average closed claim severity

•Ultimate claim severity

•Reported loss ratios

•Projected ultimate loss ratios

•Loss payment patterns

Within each business, results of individual methods are reviewed, supplementary statistical information is analyzed, and data from underwriting, operating and claim management are considered in deriving management’s best estimate of the ultimate liability. This estimate may be the result of one method, a weighted average of several methods, or a judgmental selection as the management team determines is appropriate.

The liability for losses and LAE for a very limited number of claims with long-term scheduled payments under certain workers’ compensation policies has been discounted at 3.5% at December 31, 2020 and 4.5% at December 31, 2019, which represents an approximation of long-term investment yields. Because of the limited amount of claims involved, the net impact of discounting did not materially impact AFG’s total liability for unpaid losses and loss adjustment expenses (net reductions from discounting of $9 million and $12 million at December 31, 2020 and 2019, respectively).

The following table provides an analysis of changes in the liability for losses and loss adjustment expenses over the past three years (in millions):

	2020		2019		2018
Balance at beginning of period	$	10,232	$	9,741	$	9,678
Less reinsurance recoverables, net of allowance	3,024		2,942		2,957
Net liability at beginning of period	7,208		6,799		6,721
Provision for losses and LAE occurring in the current year	3,398		3,414		3,195
Net increase (decrease) in the provision for claims of prior years:
Special A&E charges	47		18		18
Neon exited lines	19		7		—
Other	(193)		(168)		(210)
Total losses and LAE incurred	3,271		3,271		3,003
Payments for losses and LAE of:
Current year	(990)		(1,076)		(963)
Prior years	(1,766)		(1,790)		(1,639)
Total payments	(2,756)		(2,866)		(2,602)
Reserves of businesses disposed (*)	(449)		—		(319)
Foreign currency translation and other	1		4		(4)
Net liability at end of period	7,275		7,208		6,799
Add back reinsurance recoverables, net of allowance	3,117		3,024		2,942
Gross unpaid losses and LAE included in the balance sheet	$	10,392	$	10,232	$	9,741

(*)Reflects the December 31, 2020 sale of Neon (see Note B — “Acquisitions and Sale of Businesses”) and the reinsurance to close transactions at Neon, which settled in early 2018 (discussed below).

The 2020 provision for losses and LAE occurring in the current year includes $115 million of COVID-19 related losses at AFG, including $20 million recorded by the Neon exited lines.

The net decrease in the provision for claims of prior years in 2020 reflects (i) lower than expected claim frequency and severity in the aviation, transportation and agricultural businesses (within the Property and transportation sub-segment), (ii) lower than anticipated claim severity in the workers’ compensation businesses and lower than anticipated claim frequency in the executive liability business (within the Specialty casualty sub-segment) and (iii) lower than anticipated claim frequency in the trade credit business and lower than anticipated claim frequency and severity in the financial institutions, fidelity and surety businesses (within the Specialty financial sub-segment). This favorable development was partially offset by (i) the $47 million special charge to increase asbestos and environmental reserves and adverse reserve development of $19 million on Neon’s exited lines of business, (ii) higher than expected claim frequency and severity in general liability contractor claims and the excess and surplus and excess liability businesses and higher than anticipated claim severity in the targeted markets businesses (within the Specialty casualty sub-segment), and (iii) net adverse reserve development related to business outside the Specialty group that AFG no longer writes..

The net decrease in the provision for claims of prior years in 2019 reflects (i) lower than expected claim frequency and severity at National Interstate and lower than expected losses in the crop business (all within the Property and transportation sub-segment), (ii) lower than anticipated claim frequency and severity in the workers’ compensation businesses (within the Specialty casualty sub-segment), and (iii) lower than expected claim frequency and severity in the surety and financial institutions businesses and lower than anticipated claim severity in the foreign credit business (all within the Specialty financial sub-segment). This favorable development was partially offset by (i) the $18 million special charge to increase asbestos and environmental reserves and adverse reserve development of $7 million on Neon’s exited lines of business, (ii) higher than expected claim severity in the excess and surplus lines businesses and higher than expected claim frequency in product liability contractor claims (all within the Specialty casualty sub-segment), and (iii) net adverse reserve development related to business outside the Specialty group that AFG no longer writes.

The net decrease in the provision for claims of prior years in 2018 reflects (i) lower than expected losses in the crop business and lower than expected claim severity at National Interstate (within the Property and transportation sub-segment), (ii) lower than anticipated claim severity in the workers’ compensation businesses, lower than expected emergence in assumed 2017 property catastrophe losses at Neon and lower than expected claim severity in the executive liability business (within the Specialty casualty sub-segment) and (iii) lower than expected claim frequency and severity in

the surety business, lower than expected claim severity in the fidelity business and lower than expected claim frequency in run-off businesses (within the Specialty financial sub-segment). This favorable development was partially offset by (i) the $18 million special charge to increase asbestos and environmental reserves and (ii) higher than expected claim frequency and severity in the Singapore branch and aviation operations (within the Property and transportation sub-segment).

In December 2017, the Neon Lloyd’s syndicate entered into a reinsurance to close transaction for the 2015 and prior years of account, which settled in early 2018.

A reconciliation of incurred and paid claims development information to the aggregate carrying amount of the liability for unpaid losses and LAE, with separate disclosure of reinsurance recoverables on unpaid claims is shown below (in millions):

	2020
Unpaid losses and allocated LAE, net of reinsurance:
Specialty
Property and transportation	$	1,196
Specialty casualty	4,302
Specialty financial	247
Other specialty	377
Total Specialty (excluding foreign reserves)	6,122
Other reserves
Reserves for foreign operations	314
A&E reserves	422
Unallocated LAE	361
Other	56
Total other reserves	1,153
Total reserves, net of reinsurance	7,275
Add back reinsurance recoverables, net of allowance	3,117
Gross unpaid losses and LAE included in the balance sheet	$	10,392

The following claims development tables and associated disclosures related to short-duration insurance contracts are prepared by sub-segment within the property and casualty insurance business for the most recent 10 accident years. AFG determines its claim counts at the claimant or policy feature level depending on the particular facts and circumstances of the underlying claim. While the methodology is generally consistent within each sub-segment, there are minor differences between and within the sub-segments. The methods used to summarize claim counts have not changed significantly over the time periods reported in the tables below.

Property and transportation
(Dollars in Millions)
	Incurred Claims and Allocated LAE, Net of Reinsurance																				As of December 31, 2020
	For the Years Ended (2011–2019 is Supplementary Information and Unaudited)																				Total IBNR Plus Expected Development on Reported Claims		Cumulative Number of Reported Claims
Accident Year	2011		2012		2013		2014		2015		2016		2017		2018		2019		2020
2011	$	811	$	799	$	813	$	827	$	837	$	850	$	846	$	844	$	843	$	843	$	4	138,334
2012			864		857		871		883		894		890		886		881		879		4		143,151
2013					882		870		872		878		878		877		873		871		7		138,925
2014							844		828		817		820		815		808		804		8		133,182
2015									818		784		779		777		777		772		15		134,875
2016											746		716		714		706		694		25		121,116
2017													889		847		843		823		39		140,549
2018															932		902		886		69		129,891
2019																	1,111		1,058		125		152,304
2020																			1,043		349		109,446
																	Total		$	8,673

	Cumulative Paid Claims and Allocated LAE, Net of Reinsurance
Accident Year	For the Years Ended (2011–2019 is Supplementary Information and Unaudited)
	2011		2012		2013		2014		2015		2016		2017		2018		2019		2020		% (a)
2011	$	365	$	667	$	727	$	771	$	803	$	821	$	829	$	833	$	834	$	835	99.1	%
2012			572		708		772		816		842		856		882		869		872		99.2	%
2013					438		702		760		804		831		847		858		860		98.7	%
2014							329		632		693		744		770		783		789		98.1	%
2015									359		582		667		707		736		744		96.4	%
2016											294		521		577		618		640		92.2	%
2017													379		640		696		735		89.3	%
2018															396		676		738		83.3	%
2019																	527		823		77.8	%
2020																			461		44.2	%
																	Total		$	7,497
							Unpaid losses and LAE — years 2011 through 2020												1,176
			Unpaid losses and LAE — 11th year and prior (excluding unallocated LAE)																20
			Unpaid losses and LAE, net of reinsurance (excluding unallocated LAE)																$	1,196

	Average Annual Percentage Payout of Incurred Claims by Age, Net of Reinsurance (Supplementary Information and Unaudited)
	Year 1		Year 2		Year 3		Year 4		Year 5		Year 6		Year 7		Year 8		Year 9		Year 10
Annual	47.3	%	30.2	%	7.7	%	5.3	%	3.3	%	1.6	%	1.5	%	(0.3	%)	0.2	%	0.1	%
Cumulative	47.3	%	77.5	%	85.2	%	90.5	%	93.8	%	95.4	%	96.9	%	96.6	%	96.8	%	96.9	%

(a)Represents the cumulative percentage paid of incurred claims and allocated LAE (net of reinsurance, as estimated at December 31, 2020).

Specialty casualty
(Dollars in Millions)
	Incurred Claims and Allocated LAE, Net of Reinsurance																				As of December 31, 2020
	For the Years Ended (2011–2019 is Supplementary Information and Unaudited)																				Total IBNR Plus Expected Development on Reported Claims		Cumulative Number of Reported Claims
Accident Year	2011		2012		2013		2014		2015		2016		2017		2018		2019		2020
2011	$	852	$	849	$	839	$	848	$	834	$	828	$	826	$	817	$	810	$	808	$	29	54,961
2012			901		892		885		885		883		877		849		842		833		35		54,752
2013					968		949		945		940		945		926		916		905		53		55,063
2014							1,035		1,008		1,008		1,006		982		967		952		71		56,669
2015									1,081		1,043		1,041		1,042		1,024		1,021		99		57,745
2016											1,131		1,122		1,116		1,101		1,090		164		56,169
2017													1,211		1,221		1,204		1,189		275		56,558
2018															1,277		1,307		1,302		416		58,079
2019																	1,308		1,311		571		56,950
2020																			1,352		844		48,294
																	Total		$	10,763

	Cumulative Paid Claims and Allocated LAE, Net of Reinsurance
Accident Year	For the Years Ended (2011–2019 is Supplementary Information and Unaudited)
	2011		2012		2013		2014		2015		2016		2017		2018		2019		2020		% (a)
2011	$	174	$	383	$	522	$	612	$	662	$	694	$	714	$	731	$	745	$	755	93.4	%
2012			173		385		516		621		684		723		745		761		775		93.0	%
2013					182		396		554		666		729		766		797		820		90.6	%
2014							190		412		574		680		755		801		829		87.1	%
2015									178		411		577		702		792		844		82.7	%
2016											186		418		584		713		806		73.9	%
2017													200		422		612		755		63.5	%
2018															210		475		649		49.8	%
2019																	212		455		34.7	%
2020																			188		13.9	%
																	Total		$	6,876
							Unpaid losses and LAE — years 2011 through 2020												3,887
			Unpaid losses and LAE — 11th year and prior (excluding unallocated LAE)																415
			Unpaid losses and LAE, net of reinsurance (excluding unallocated LAE)																$	4,302

	Average Annual Percentage Payout of Incurred Claims by Age, Net of Reinsurance (Supplementary Information and Unaudited)
	Year 1		Year 2		Year 3		Year 4		Year 5		Year 6		Year 7		Year 8		Year 9		Year 10
Annual	18.0	%	22.2	%	16.0	%	11.9	%	7.7	%	4.5	%	2.9	%	2.2	%	1.7	%	1.2	%
Cumulative	18.0	%	40.2	%	56.2	%	68.1	%	75.8	%	80.3	%	83.2	%	85.4	%	87.1	%	88.3	%

(a)Represents the cumulative percentage paid of incurred claims and allocated LAE (net of reinsurance, as estimated at December 31, 2020).

Specialty financial
(Dollars in Millions)
	Incurred Claims and Allocated LAE, Net of Reinsurance																				As of December 31, 2020
	For the Years Ended (2011–2019 is Supplementary Information and Unaudited)																				Total IBNR Plus Expected Development on Reported Claims		Cumulative Number of Reported Claims
Accident Year	2011		2012		2013		2014		2015		2016		2017		2018		2019		2020
2011	$	138	$	157	$	155	$	153	$	147	$	144	$	143	$	139	$	137	$	137	$	—	16,371
2012			163		163		151		139		137		135		132		127		126		2		21,092
2013					140		145		137		131		127		126		122		122		4		28,475
2014							146		157		156		153		147		142		137		2		29,458
2015									156		160		158		153		145		138		4		37,615
2016											179		184		187		182		174		8		45,125
2017													212		215		212		208		15		48,692
2018															212		217		219		27		46,487
2019																	194		198		37		41,175
2020																			231		115		24,479
																	Total		$	1,690

	Cumulative Paid Claims and Allocated LAE, Net of Reinsurance
Accident Year	For the Years Ended (2011–2019 is Supplementary Information and Unaudited)
	2011		2012		2013		2014		2015		2016		2017		2018		2019		2020		% (a)
2011	$	58	$	111	$	115	$	123	$	130	$	131	$	131	$	132	$	132	$	133	97.1	%
2012			71		104		109		117		121		126		128		126		125		99.2	%
2013					70		100		107		113		117		117		118		118		96.7	%
2014							62		109		125		128		137		139		141		102.9	%
2015									72		110		129		133		132		134		97.1	%
2016											88		141		158		161		163		93.7	%
2017													120		169		186		194		93.3	%
2018															112		163		187		85.4	%
2019																	99		146		73.7	%
2020																			100		43.3	%
																	Total		$	1,441
							Unpaid losses and LAE — years 2011 through 2020												249
			Unpaid losses and LAE — 11th year and prior (excluding unallocated LAE)																(2)
			Unpaid losses and LAE, net of reinsurance (excluding unallocated LAE)																$	247

	Average Annual Percentage Payout of Incurred Claims by Age, Net of Reinsurance (Supplementary Information and Unaudited)
	Year 1		Year 2		Year 3		Year 4		Year 5		Year 6		Year 7		Year 8		Year 9		Year 10
Annual	50.6	%	28.0	%	8.4	%	4.0	%	3.1	%	1.5	%	1.0	%	(0.3	%)	(0.4	%)	0.7	%
Cumulative	50.6	%	78.6	%	87.0	%	91.0	%	94.1	%	95.6	%	96.6	%	96.3	%	95.9	%	96.6	%

(a)Represents the cumulative percentage paid of incurred claims and allocated LAE (net of reinsurance, as estimated at December 31, 2020).

Other specialty
(Dollars in Millions)
	Incurred Claims and Allocated LAE, Net of Reinsurance																				As of December 31, 2020
	For the Years Ended (2011–2019 is Supplementary Information and Unaudited)																				Total IBNR Plus Expected Development on Reported Claims		Cumulative Number of Reported Claims (a)
Accident Year	2011		2012		2013		2014		2015		2016		2017		2018		2019		2020
2011	$	39	$	43	$	42	$	43	$	43	$	44	$	44	$	43	$	42	$	41	$	2	—
2012			42		40		39		40		41		39		39		36		37		2		—
2013					46		47		46		47		50		53		58		58		1		—
2014							58		57		59		59		60		61		64		7		—
2015									59		60		63		66		76		82		7		—
2016											61		61		65		71		76		16		—
2017													63		65		70		81		13		—
2018															86		90		92		40		—
2019																	108		107		64		—
2020																			122		102		—
																	Total		$	760

	Cumulative Paid Claims and Allocated LAE, Net of Reinsurance
Accident Year	For the Years Ended (2011–2019 is Supplementary Information and Unaudited)
	2011		2012		2013		2014		2015		2016		2017		2018		2019		2020		% (b)
2011	$	12	$	20	$	25	$	28	$	34	$	36	$	37	$	38	$	39	$	39	95.1	%
2012			8		17		21		25		28		30		30		32		33		89.2	%
2013					7		16		22		34		37		44		51		53		91.4	%
2014							13		21		30		36		43		50		53		82.8	%
2015									10		26		31		50		62		69		84.1	%
2016											9		19		31		47		53		69.7	%
2017													10		19		30		52		64.2	%
2018															12		23		32		34.8	%
2019																	9		24		22.4	%
2020																			9		7.4	%
																	Total		$	417
							Unpaid losses and LAE — years 2011 through 2020												343
			Unpaid losses and LAE — 11th year and prior (excluding unallocated LAE)																34
			Unpaid losses and LAE, net of reinsurance (excluding unallocated LAE)																$	377

	Average Annual Percentage Payout of Incurred Claims by Age, Net of Reinsurance (Supplementary Information and Unaudited)
	Year 1		Year 2		Year 3		Year 4		Year 5		Year 6		Year 7		Year 8		Year 9		Year 10
Annual	14.8	%	15.7	%	11.6	%	17.1	%	10.2	%	8.4	%	4.8	%	3.8	%	2.6	%	—	%
Cumulative	14.8	%	30.5	%	42.1	%	59.2	%	69.4	%	77.8	%	82.6	%	86.4	%	89.0	%	89.0	%

(a)The amounts shown in Other specialty represent business assumed by AFG’s internal reinsurance program from the operations that make up AFG’s other Specialty property and casualty insurance sub-segments. Accordingly, the liability for incurred claims and allocated LAE represents additional reserves held on claims counted in the tables provided for the other sub-segments (above).

(b)Represents the cumulative percentage paid of incurred claims and allocated LAE (net of reinsurance, as estimated at December 31, 2020).

Total Specialty Group
(Dollars in Millions)
	Incurred Claims and Allocated LAE, Net of Reinsurance																				As of December 31, 2020
	For the Years Ended (2011–2019 is Supplementary Information and Unaudited)																				Total IBNR Plus Expected Development on Reported Claims		Cumulative Number of Reported Claims
Accident Year	2011		2012		2013		2014		2015		2016		2017		2018		2019		2020
2011	$	1,840	$	1,848	$	1,849	$	1,871	$	1,861	$	1,866	$	1,859	$	1,843	$	1,832	$	1,829	$	35	209,666
2012			1,970		1,952		1,946		1,947		1,955		1,941		1,906		1,886		1,875		43		218,995
2013					2,036		2,011		2,000		1,996		2,000		1,982		1,969		1,956		65		222,463
2014							2,083		2,050		2,040		2,038		2,004		1,978		1,957		88		219,309
2015									2,114		2,047		2,041		2,038		2,022		2,013		125		230,235
2016											2,117		2,083		2,082		2,060		2,034		213		222,410
2017													2,375		2,348		2,329		2,301		342		245,799
2018															2,507		2,516		2,499		552		234,457
2019																	2,721		2,674		797		250,429
2020																			2,748		1,410		182,219
																	Total		$	21,886

	Cumulative Paid Claims and Allocated LAE, Net of Reinsurance
Accident Year	For the Years Ended (2011–2019 is Supplementary Information and Unaudited)
	2011		2012		2013		2014		2015		2016		2017		2018		2019		2020		% (a)
2011	$	609	$	1,181	$	1,389	$	1,534	$	1,629	$	1,682	$	1,711	$	1,734	$	1,750	$	1,762	96.3	%
2012			824		1,214		1,418		1,579		1,675		1,735		1,785		1,788		1,805		96.3	%
2013					697		1,214		1,443		1,617		1,714		1,774		1,824		1,851		94.6	%
2014							594		1,174		1,422		1,588		1,705		1,773		1,812		92.6	%
2015									619		1,129		1,404		1,592		1,722		1,791		89.0	%
2016											577		1,099		1,350		1,539		1,662		81.7	%
2017													709		1,250		1,524		1,736		75.4	%
2018															730		1,337		1,606		64.3	%
2019																	847		1,448		54.2	%
2020																			758		27.6	%
																	Total		$	16,231
							Unpaid losses and LAE — years 2011 through 2020												5,655
			Unpaid losses and LAE — 11th year and prior (excluding unallocated LAE)																467
			Unpaid losses and LAE, net of reinsurance (excluding unallocated LAE)																$	6,122

	Average Annual Percentage Payout of Incurred Claims by Age, Net of Reinsurance (Supplementary Information and Unaudited)
	Year 1		Year 2		Year 3		Year 4		Year 5		Year 6		Year 7		Year 8		Year 9		Year 10
Annual	32.2	%	25.5	%	11.9	%	8.8	%	5.6	%	3.2	%	2.2	%	0.9	%	0.9	%	0.7	%
Cumulative	32.2	%	57.7	%	69.6	%	78.4	%	84.0	%	87.2	%	89.4	%	90.3	%	91.2	%	91.9	%

(a)Represents the cumulative percentage paid of incurred claims and allocated LAE (net of reinsurance, as estimated at December 31, 2020).

Closed Block of Long-Term Care Insurance Reserves for AFG’s closed block of long-term care insurance were $52 million at December 31, 2020 and $46 million at December 31, 2019, net of reinsurance recoverables and excluding the impact of unrealized gains on securities. AFG’s remaining outstanding long-term care policies have level premiums and are guaranteed renewable. Premium rates can potentially be increased in reaction to adverse experience; however, any rate increases would require regulatory approval.

FHLB Funding Agreements   GALIC is a member of the Federal Home Loan Bank of Cincinnati (“FHLB”). The FHLB makes advances and provides other banking services to member institutions. Members are required to purchase stock in the FHLB in addition to maintaining collateral deposits that back any funds advanced. GALIC’s $56 million

investment in FHLB capital stock at December 31, 2020 is included in other investments at cost. Membership in the FHLB provides the annuity operations with an 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.

In 2020, the FHLB advanced GALIC $200 million and GALIC repaid $165 million to the FHLB. In 2019, GALIC refinanced the terms on advances totaling $610 million. At December 31, 2020 and December 31, 2019, GALIC had $1.13 billion and $1.10 billion, respectively, in outstanding advances from the FHLB (included in annuity benefits accumulated), bearing interest at rates ranging from 0.31% to 1.35% (average rate of 0.53% at December 31, 2020). While these advances must be repaid between 2021 and 2025 ($931 million in 2021 and $200 million in 2025), GALIC has the option to prepay all or a portion on the majority of the advances. GALIC has invested the proceeds from the advances in fixed maturity securities with similar expected lives as the advances for the purpose of earning a spread over the interest payments due to the FHLB. The advances on these agreements are collateralized by fixed maturity investments, which have a total fair value of $1.37 billion (included in available for sale fixed maturity securities) at December 31, 2020. Interest credited on the funding agreements, which is included in annuity benefits, was $11 million in 2020, $27 million in 2019 and $20 million in 2018.

Statutory Information   AFG’s U.S.-based insurance subsidiaries are required to file financial statements with state insurance regulatory authorities prepared on an accounting basis prescribed or permitted by such authorities (statutory basis). Net earnings and capital and surplus on a statutory basis for the insurance subsidiaries were as follows (in millions):

	Net Earnings						Capital and Surplus
	2020		2019		2018		2020		2019
Property and casualty companies	$	481	$	584	$	546	$	3,643	$	3,342
Life (annuity) insurance companies	209		34		802		2,897		2,868

In the fourth quarter of 2018, GALIC, AFG’s primary annuity subsidiary, entered into a reinsurance treaty with Hannover Life Reassurance Company of America that transfers the risk of certain surrender activity in GALIC’s fixed-indexed annuity business. This treaty meets the statutory risk transfer rules and resulted in increases in statutory surplus (through an after-tax reserve credit) of $139 million at December 31, 2020 and $124 million at December 31, 2019, which is reflected in the life insurance companies capital and surplus in the table above. Under GAAP, this transaction does not meet the GAAP insurance risk transfer criteria and did not have a material impact on AFG’s financial statements.

The National Association of Insurance Commissioners’ (“NAIC”) model law for risk-based capital (“RBC”) applies to both life and property and casualty insurance companies. RBC formulas determine the amount of capital that an insurance company needs so that it has an acceptable expectation of not becoming financially impaired. Companies below specific trigger points or ratios are subject to regulatory action. At December 31, 2020 and 2019, the capital ratios of all AFG insurance companies substantially exceeded the RBC requirements. AFG’s insurance companies did not use any prescribed or permitted statutory accounting practices that differed from the NAIC statutory accounting practices at December 31, 2020 or 2019.

Payments of dividends by AFG’s insurance companies are subject to various state laws that limit the amount of dividends that can be paid. Under applicable restrictions, the maximum amount of dividends available to AFG in 2021 from its insurance subsidiaries without seeking regulatory approval is $705 million. Additional amounts of dividends require regulatory approval.

Holding Company Dividends   AFG declared and paid common stock dividends to shareholders totaling $336 million, $446 million and $397 million in 2020, 2019 and 2018, respectively. Currently, there are no regulatory restrictions on AFG’s retained earnings or net earnings that materially impact its ability to pay dividends. Based on shareholders’ equity at December 31, 2020, AFG could pay dividends of approximately $2.0 billion without violating its most restrictive debt covenant. However, the payment of future dividends will be at the discretion of AFG’s Board of Directors and will be dependent on many factors including AFG’s financial condition and results of operations, the capital requirements of its insurance subsidiaries, and rating agency commitments.

Reinsurance   In the normal course of business, AFG’s insurance subsidiaries cede reinsurance to other companies to diversify risk and limit maximum loss arising from large claims. However, AFG remains liable to its insureds regardless of whether a reinsurer is able to meet its obligations. The following table shows (in millions) (i) amounts deducted from property and casualty written and earned premiums in connection with reinsurance ceded, (ii) written and earned premiums included in income for reinsurance assumed and (iii) reinsurance recoveries, which represent ceded losses and loss adjustment expenses.

	2020		2019		2018
Direct premiums written	$	6,862	$	7,044	$	6,626
Reinsurance assumed	225		255		214
Reinsurance ceded	(2,074)		(1,957)		(1,817)
Net written premiums	$	5,013	$	5,342	$	5,023
Direct premiums earned	$	6,846	$	6,848	$	6,472
Reinsurance assumed	237		226		204
Reinsurance ceded	(1,984)		(1,889)		(1,811)
Net earned premiums	$	5,099	$	5,185	$	4,865
Reinsurance recoveries	$	1,522	$	1,404	$	1,249

In June 2017, AFG’s property and casualty insurance subsidiaries entered into a reinsurance agreement to obtain supplemental catastrophe protection through a catastrophe bond structure with Riverfront Re Ltd. (“Riverfront”). The reinsurance agreement provided supplemental reinsurance coverage up to 95% of $200 million (fully collateralized) for catastrophe losses in excess of $109 million of traditional catastrophe reinsurance (per occurrence and annual aggregate) occurring until January 15, 2021. In connection with the reinsurance agreement, Riverfront issued notes to unrelated investors for the full amount of coverage provided under the reinsurance agreement. Through December 31, 2020, AFG’s incurred catastrophe losses have not reached the level of attachment for the catastrophe bond structure. Riverfront is a variable interest entity in which AFG does not have a variable interest because the variability in Riverfront’s results will be absorbed entirely by the investors in Riverfront. Accordingly, Riverfront is not consolidated in AFG’s financial statements and the reinsurance agreement is accounted for as ceded reinsurance. AFG’s cost for this coverage is approximately $11 million per year. In July 2020, AFG purchased an additional $50 million of reinsurance coverage for losses in excess of $100 million. Recoveries from the catastrophe bond apply before calculating losses recoverable from this catastrophe excess of loss reinsurance.

In February 2020, GALIC entered into a flow reinsurance agreement with Commonwealth Annuity and Life Insurance Company (“Commonwealth”), a subsidiary of Global Atlantic Financial Group Limited. Under the terms of the agreement, GALIC cedes certain newly issued traditional fixed and indexed annuities on a quota share coinsurance basis with such quota share percentages being up to 50%. That agreement was effective for policies issued after May 6, 2020. Under reinsurance accounting guidance, this transaction will be accounted for using the deposit method.

In the fourth quarter of 2020, GALIC entered into a block reinsurance agreement with Commonwealth. Under the terms of the agreement, GALIC ceded $5.96 billion of in force traditional fixed and indexed annuities, representing approximately 15% of its in force business, and transferred related investments to Commonwealth. The transaction will be accounted for using the deposit method and the $180 million loss on the transaction was deferred and will be recognized over the expected life of the underlying annuity contracts (7-10 years). In the fourth quarter of 2020, $11 million of GALIC’s deferred loss was amortized (and included in annuity benefits expense).

Under both the flow and block reinsurance agreements, Commonwealth is required to maintain collateral in trusts in excess of amounts owed to GALIC. Under these agreements, $492 million of gross annuity receipts were ceded and there were $206 million of ceded annuity surrenders, benefits and withdrawals. GALIC received $39 million of commission and expense allowances in 2020 and annuity benefits expense was reduced by $46 million.

AFG has reinsured approximately $5.42 billion of its $8.33 billion in face amount of life insurance at December 31, 2020 compared to $6.23 billion of its $9.53 billion in face amount of life insurance at December 31, 2019. Life written premiums ceded were $19 million, $20 million and $22 million for 2020, 2019 and 2018, respectively. Reinsurance recoveries on ceded life policies were $28 million, $32 million and $38 million for 2020, 2019 and 2018, respectively.

Recoverables from Reinsurers and Premiums Receivable See Note A — “Accounting Policies — Credit Losses on Financial Instruments,” for a discussion of new guidance effective January 1, 2020, which impacts the accounting for expected credit losses of recoverables from reinsurers and premiums receivable. AFG reviews the allowance quarterly and makes adjustments as necessary to reflect changes in expected credit losses. Progressions of the 2020 allowance for expected credit losses are shown below (in millions):

	Recoverables from Reinsurers								Premiums Receivable
	Property and Casualty		Fixed & Indexed Annuities		Other		Total		Property and Casualty
Balance at January 1	$	18	$	—	$	—	$	18	$	13
Impact of adoption of new accounting policy	(11)		—		5		(6)		(3)
Provision for expected credit losses	—		—		2		2		1
Write-offs charged against the allowance	—		—		—		—		(1)
Businesses disposed	(1)		—		—		(1)		—
Balance at December 31	$	6	$	—	$	7	$	13	$	10

Prior to the new guidance, AFG recorded net expense reductions against the allowance for uncollectible reinsurance recoverables of less than $1 million in 2019 and $2 million in 2018.

Fixed Annuities   For certain products, the liability for “annuity benefits accumulated” includes reserves for excess benefits expected to be paid on future deaths and annuitizations guaranteed withdrawal benefits and accrued persistency and premium bonuses. The liabilities included in AFG’s Balance Sheet for these benefits, excluding the impact of unrealized gains on securities, were as follows at December 31 (in millions):

	2020		2019
Expected death and annuitization	$	260	$	232
Guaranteed withdrawal benefits	817		625
Accrued persistency and premium bonuses	—		1

Variable Annuities   At December 31, 2020, the aggregate guaranteed minimum death benefit value (assuming every variable annuity policyholder died on that date) on AFG’s variable annuity policies exceeded the fair value of the underlying variable annuities by $11 million, compared to $13 million at December 31, 2019. Death benefits paid in excess of the variable annuity account balances were less than $1 million in each of the last three years ended December 31, 2020, 2019 and 2018.

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Additional Information

12 Months Ended

Dec. 31, 2020

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Additional Information

Additional Information

Financial Instruments — Unfunded Commitments   On occasion, AFG and its subsidiaries have entered into financial instrument transactions that may present off-balance-sheet risks of both a credit and market risk nature. These transactions include commitments to fund loans, loan guarantees and commitments to purchase and sell securities or loans. At December 31, 2020, AFG and its subsidiaries had commitments to fund credit facilities and contribute capital to limited partnerships and limited liability corporations of approximately $993 million. Approximately 50% of the unfunded commitments are related to GALIC, which is expected to be sold in the second quarter of 2021.

Benefit Plans   AFG expensed approximately $41 million in 2020, $39 million in 2019 and $37 million in 2018 for its retirement and employee savings plans.

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Subsequent Event

12 Months Ended

Dec. 31, 2020

Subsequent Events [Abstract]

Subsequent Events

Subsequent Event

Annuity Business   On January 27, 2021, AFG announced that it entered into a definitive agreement to sell its Annuity business to Massachusetts Mutual Life Insurance Company (“MassMutual”). Under the terms of the agreement, which is expected to close in the second quarter of 2021, MassMutual will acquire Great American Life Insurance Company (“GALIC”) and its two insurance subsidiaries, Annuity Investors Life Insurance Company and Manhattan National Life Insurance Company. In addition to AFG’s annuity operations, these subsidiaries include the run-off life and long-term care operations. Prior to the sale, AFG will acquire (based on December 31, 2020 values) $430 million in investments accounted for using the equity method and $97 million of directly owned real estate from GALIC. Beginning with the first quarter of 2021, AFG will report the results of the Annuity business as discontinued operations, in accordance with generally accepted accounting principles, which includes adjusting prior period results to reflect these operations as discontinued.

The Annuity subsidiaries to be sold impacted AFG’s Balance Sheet at December 31, 2020 as follows (in millions):

Assets of businesses to be sold:
Cash and cash equivalents	$	1,679
Fixed maturities, available for sale	34,123
Fixed maturities, trading at fair value	42
Equity securities	774
Investments accounted for using the equity method	646
Mortgage loans	1,251
Policy loans	151
Equity index call options	825
Other investments	199
Total cash and investments	39,690
Recoverables from reinsurers	6,804
Agents’ balances and premiums receivable	5
Deferred policy acquisition costs	303
Variable annuity assets (separate accounts)	664
Other assets	968
Total assets	48,434
Liabilities of businesses to be sold:
Annuity benefits accumulated	42,573
Life, accident and health reserves	607
Variable annuity liabilities (separate accounts)	664
Other liabilities	620
Total liabilities	44,464
Reclassify AOCI	(1,071)
Equity of annuity businesses to be sold excluding AOCI	$	2,899

The fair value of the available for sale fixed maturities owned by the Annuity subsidiaries to be sold at December 31, 2020 is detailed below.

US Government and government agencies	$	44
States, municipalities and political subdivisions	3,421
Foreign government	35
Residential mortgage-backed securities	2,140
Commercial mortgage-backed securities	698
Collateralized loan obligations	3,491
Other asset-backed securities	5,176
Corporate and other bonds	19,118
	$	34,123

Results for the Annuity subsidiaries to be sold were (in millions):

	Year ended December 31,
	2020		2019		2018
Net investment income	$	1,670	$	1,774	$	1,618
Realized gains (losses) on securities	364		132		(105)
Other income	126		136		139
Total revenues	2,160		2,042		1,652
Annuity benefits	1,192		1,151		998
Annuity and supplemental insurance acquisition expenses	306		253		260
Other expenses	181		180		177
Total costs and expenses	1,679		1,584		1,435
Earnings before income taxes	481		458		217
Provision for income taxes	97		94		39
Net earnings	$	384	$	364	$	178

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Condensed Financial Information of Parent Company

12 Months Ended

Dec. 31, 2020

Condensed Financial Information Disclosure [Abstract]

Condensed Financial Information of Parent Company

AMERICAN FINANCIAL GROUP, INC. — PARENT ONLY

SCHEDULE II — CONDENSED FINANCIAL INFORMATION OF REGISTRANT

(In Millions)

Condensed Balance Sheet

	December 31,
	2020		2019
Assets:
Cash and cash equivalents	$	215	$	166
Investment in securities	80		77
Investment in subsidiaries (a)	8,525		7,623
Other investments	2		2
Other assets	213		143
Total assets	$	9,035	$	8,011
Liabilities and Equity:
Long-term debt	$	1,963	$	1,473
Other liabilities	283		269
Shareholders’ equity	6,789		6,269
Total liabilities and equity	$	9,035	$	8,011

Condensed Statement of Earnings

	Year ended December 31,
	2020		2019		2018
Revenues:
Dividends from subsidiaries	$	543	$	417	$	261
Equity in undistributed earnings of subsidiaries	474		888		529
Investment and other income	32		20		2
Total revenues	1,049		1,325		792
Costs and Expenses:
Interest charges on intercompany borrowings	8		8		8
Interest charges on other borrowings	88		68		62
Other expenses	94		113		70
Total costs and expenses	190		189		140
Earnings before income taxes	859		1,136		652
Provision for income taxes	127		239		122
Net Earnings Attributable to Shareholders	$	732	$	897	$	530

Condensed Statement of Comprehensive Income

Net earnings attributable to shareholders	$	732	$	897	$	530
Other comprehensive income (loss), net of tax	414		815		(544)
Total comprehensive income (loss), net of tax	$	1,146	$	1,712	$	(14)

________________________

(a)Investment in subsidiaries includes intercompany receivables and payables.

Condensed Statement of Cash Flows

	Year ended December 31,
	2020		2019		2018
Operating Activities:
Net earnings attributable to shareholders	$	732	$	897	$	530
Adjustments:
Equity in net earnings of subsidiaries	(780)		(1,032)		(637)
Dividends from subsidiaries	543		408		238
Other operating activities, net	(12)		33		84
Net cash provided by operating activities	483		306		215
Investing Activities:
Capital contributions to subsidiaries	(297)		(60)		(11)
Returns of capital from subsidiaries	—		4		23
Purchases of investments, property and equipment	(2)		(3)		(5)
Proceeds from:
Maturities and redemptions of investments	2		3		3
Sales of businesses	3		—		—
Net cash provided by (used in) investing activities	(294)		(56)		10
Financing Activities:
Additional long-term borrowings	634		315		—
Reductions of long-term debt	(150)		(150)		—
Issuances of Common Stock	23		37		34
Repurchases of Common Stock	(313)		—		(6)
Cash dividends paid on Common Stock	(334)		(444)		(394)
Net cash used in financing activities	(140)		(242)		(366)
Net Change in Cash and Cash Equivalents	49		8		(141)
Cash and cash equivalents at beginning of year	166		158		299
Cash and cash equivalents at end of year	$	215	$	166	$	158

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Supplementary Insurance Information

12 Months Ended

Dec. 31, 2020

SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information [Abstract]

Supplementary Insurance Information

AMERICAN FINANCIAL GROUP, INC. AND SUBSIDIARIES

SCHEDULE III — SUPPLEMENTARY INSURANCE INFORMATION

THREE YEARS ENDED DECEMBER 31, 2020

(IN MILLIONS)

Segment	Deferred policy acquisition costs		Reserves for future policy benefits, claims and unpaid losses and LAE		Unearned premiums		Net earned premiums		Net investment income		Benefits, claims, losses and settlement expenses		Amortization of deferred policy acquisition costs		Other operating expenses		Net written premiums (excluding life)
2020
Property and casualty insurance	$	244	$	10,392	$	2,803	$	5,099	$	399	$	3,271	$	615	$	1,036	$	5,013
Annuity	287		42,573		—		—		1,699		1,192		247		220		—
Other	15		607		—		19		34		40		4		436		4
Total	$	546	$	53,572	$	2,803	$	5,118	$	2,132	$	4,503	$	866	$	1,692	$	5,017
2019
Property and casualty insurance	$	322	$	10,232	$	2,830	$	5,185	$	472	$	3,271	$	721	$	1,027	$	5,342
Annuity	696		40,406		—		—		1,792		1,151		198		201		—
Other	19		612		—		22		39		36		4		520		3
Total	$	1,037	$	51,250	$	2,830	$	5,207	$	2,303	$	4,458	$	923	$	1,748	$	5,345
2018
Property and casualty insurance	$	299	$	9,741	$	2,595	$	4,865	$	438	$	3,003	$	644	$	957	$	5,023
Annuity	1,360		36,616		—		—		1,638		998		212		192		—
Other	23		635		—		24		18		40		4		461		3
Total	$	1,682	$	46,992	$	2,595	$	4,889	$	2,094	$	4,041	$	860	$	1,610	$	5,026

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Accounting Policies (Policies)

12 Months Ended

Dec. 31, 2020

Accounting Policies [Abstract]

Basis of Presentation

Basis of Presentation   The consolidated financial statements include the accounts of American Financial Group, Inc. and its subsidiaries (“AFG”). Certain reclassifications have been made to prior years 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 December 31, 2020, and prior to the filing of this Form 10-K, have been evaluated for potential recognition or disclosure herein.

The preparation of the financial statements in conformity with U.S. generally accepted accounting principles (“GAAP”) 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 at September 30 on the sale of Neon, its United Kingdom-based Lloyd’s insurer (see Note B — “Acquisitions and Sale of Businesses”), AFG did not have any material nonrecurring fair value measurements in 2020 or 2019.

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, 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, asset-backed securities (“ABS”), mortgage-backed securities (“MBS”), certain non-affiliated common stocks, equity index options 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 at the valuation date. 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 are classified as Level 3.

As discussed in Note A — “Accounting Policies — Managed Investment Entities,” AFG has set the carrying value of its 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. As a result, 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, 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 investment professionals 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 services regarding the methods and assumptions used in pricing, including verifying, on a test basis, the inputs used by the service to value specific securities.

Credit Losses on Financial Instruments

Credit Losses on Financial Instruments   On January 1, 2020, AFG adopted Accounting Standards Update (“ASU”) 2016-13, Financial Instruments – Credit Losses: Measurement of Credit Losses on Financial Instruments, which provides a new loss model for determining credit-related impairments for financial instruments measured at amortized cost (mortgage loans, premiums receivable and reinsurance recoverables) and requires an entity to estimate the credit losses expected over the life of an exposure or pool of exposures. The estimate of expected credit losses considers historical information, current information, as well as reasonable and supportable forecasts, including estimates of prepayments. Expected credit losses, and subsequent increases or decreases in such expected losses, are recorded immediately through net earnings as an allowance that is deducted from the amortized cost basis of the financial asset, with the net carrying value of the financial asset presented on the balance sheet at the amount expected to be collected. AFG’s portfolio of mortgage loans crosses a wide variety of commercial properties with very strong loan to value ratios and no credit losses in recent years. In addition, the reinsurance used in AFG’s insurance operations is purchased from financially strong (highly rated) reinsurers and the Company has a long history of collecting premiums receivable through various economic cycles. At the date of adoption, the impact of adjusting AFG’s existing allowances for uncollectable mortgage loans, premiums receivable and reinsurance recoverables to the allowances calculated under the new guidance resulted in a reduction in the net allowance, which was recorded as the cumulative effect of an accounting change ($7 million increase in retained earnings at January 1, 2020).

The updated guidance also amended the current other-than-temporary impairment model for available for sale debt securities by requiring the recognition of impairments relating to credit losses through an allowance and limits the amount of credit loss to the difference between a security’s amortized cost basis and its fair value. Subsequent increases or decreases in expected credit losses will be recorded immediately in net earnings through realized gains (losses).

Under the new guidance, credit losses on available for sale fixed maturities continue to be measured based on the present value of expected future cash flows compared to amortized cost; however, impairment losses are now recognized through an allowance instead of directly writing down the amortized cost. Under the new guidance, recoveries of previously impaired amounts are recorded as an immediate reversal of all or a portion of the allowance instead of accreted as investment income through a yield adjustment. In addition, the allowance on available for sale fixed maturities cannot cause the amortized cost net of the allowance to be below fair value. Accordingly, future changes in the fair value of an impaired security (when the allowance was limited by the fair value) due to reasons other than issuer credit (e.g. changes in market interest rates) result in increases or decreases in the allowance, which are recorded through realized gains (losses) on securities.

Investments

Investments   On January 1, 2018, AFG adopted ASU 2016-01, which requires all equity securities other than those accounted for under the equity method to be reported at fair value with holding gains and losses recognized in net earnings. At December 31, 2017, AFG had $1.60 billion in equity securities classified as “available for sale” under the prior guidance with holding gains and losses included in accumulated other comprehensive income (“AOCI”) instead of net earnings. At the date of adoption, the $221 million net unrealized gain on equity securities included in AOCI was reclassified to retained earnings as the cumulative effect of an accounting change. The cumulative effect of the accounting change also includes the net unrealized gain on AFG’s small number of limited partnerships and similar investments carried at cost under the prior guidance that are carried at fair value through net earnings under the new guidance ($4 million net of tax at the date of adoption).

Holding gains and losses on equity securities carried at fair value are generally recorded in realized gains (losses) on securities. However, AFG records holding gains and losses on securities classified as “trading” under previous guidance, its small portfolio of limited partnerships and similar investments carried at fair value and certain other securities classified at purchase as “fair value through net investment income” in net investment income.

Fixed maturity securities classified as “available for sale” are reported at fair value with unrealized gains and losses included in AOCI in AFG’s Balance Sheet. Fixed maturity 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 loans (net of any allowance) and policy loans are carried primarily at the aggregate unpaid balance.

Premiums and discounts on fixed maturity securities are amortized using the effective 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.

Limited partnerships and similar investments are generally accounted for using the equity method of accounting. Under the equity method, AFG records its share of the earnings or losses of the investee based on when they are reported by the investee in its financial statements rather than in the period in which the investee declares a dividend. AFG’s share of the earnings or losses from equity method investments is generally recorded on a quarter lag due to the timing of the receipt of the investee’s financial statements. AFG’s equity in the earnings (losses) of limited partnerships and similar investments is included in net investment income.

Realized gains or losses on the disposal of fixed maturity securities are determined on the specific identification basis. When a decline in the value of an available for sale fixed maturity is considered to be other-than-temporary at the balance sheet date, an allowance for credit losses (impairment), including any write-off of accrued interest, is charged to earnings (included in realized gains (losses) on securities). If management can assert that it does not intend to sell the security and it is not more likely than not that it will have to sell it before recovery of its amortized cost basis (net of allowance), then the impairment allowance 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 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 charge. 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 is recorded in earnings to reduce the amortized cost (net of allowance) of that security to fair value. See “Credit Losses on Financial Instruments” above for a discussion of new guidance adopted on January 1, 2020.

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 and principal-only MBS) and (ii) the equity-based component of certain annuity products (included in annuity benefits accumulated) and related equity index options 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. 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 statement of earnings as the cash flows from the hedged item. AFG uses interest rate swaps that are designated and 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.

Goodwill

Goodwill   Goodwill represents the excess of cost of subsidiaries over AFG’s equity in their underlying net assets at the date of acquisition. 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.

An AFG 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.

Certain reinsurance arrangements in AFG’s fixed and indexed annuity operations do not transfer significant insurance risk and are therefore accounted for using the deposit method. This accounting treatment results in amounts paid by AFG to the reinsurer to be recorded as a deposit asset. The reinsurance deposit asset (reinsurance recoverable) is adjusted as amounts are paid or received under the underlying contracts. AFG’s reinsurance partner posts collateral in excess of amounts due to AFG under these contracts. Under reinsurance accounting guidance on transactions involving annuities, the gain or loss is deferred and recognized over the expected life of the underlying annuity contracts (using methods similar to those used to amortize DPAC).

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 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 Entities   A 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”). AFG has determined that it is the primary beneficiary of these 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) through its investment in the CLO debt tranches, it has exposure to CLO losses (limited to the amount AFG invested) and the right to receive CLO benefits that could potentially be significant to the CLOs.

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.

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. AFG has 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 are measured by the change in the fair value of AFG’s investments in the CLOs and management fees earned.

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 annuity benefits expense and decreases for annuity policy charges are recorded in other income. For traditional fixed annuities, the liability for annuity benefits accumulated represents the account value that had accrued to the benefit of the policyholder as of the balance sheet date. For fixed-indexed annuities (“FIAs”), the liability for annuity benefits accumulated includes an embedded derivative that represents the estimated fair value of the index participation with the remaining component representing the discounted value of the guaranteed minimum contract benefits.

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 (included in other income) 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 (losses) 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.

Debt Issuance Costs

Debt Issuance Costs   Debt issuance costs related to AFG’s outstanding debt are presented in its Balance Sheet as a direct reduction in the carrying value of long-term debt and are amortized over the life of the related debt using the effective interest method as a component of interest expense. Debt issuance costs related to AFG’s revolving credit facilities are included in other assets 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.

Leases

Leases   On January 1, 2019, AFG adopted ASU 2016-02, which requires entities that lease assets for terms longer than one year to recognize assets and liabilities for the rights and obligations created by those leases on the balance sheet based on the present value of contractual cash flows. As permitted under the ASU, AFG adopted the guidance on a modified retrospective basis (comparative periods were not adjusted) and elected the following accounting policies and practical expedients:

•exclude leases with a term of 12 months or less from the calculation of lease assets and liabilities,

•not separate lease and non-lease components except for buildings (office space and storage facilities),

•for contracts existing at the date of adoption – not reassess whether a contract is a lease or contains a lease, how initial direct costs were accounted for or whether the lease is an operating or finance lease, and

•use hindsight to determine the lease term for leases existing at the date of adoption.

Adoption of the new guidance resulted in AFG recognizing a lease liability of $198 million (included in other liabilities) and a corresponding right-of-use asset of $174 million (included in other assets and presented net of $24 million in deferred rent and lease incentives) on January 1, 2019. Deferred rent and lease incentives were recognized as liabilities under the previous guidance and result from the straight-line expensing of operating leases. The adoption of the new guidance did not have a material effect on AFG’s results of operations or liquidity. See Note K — “Leases” for additional disclosures.

Noncontrolling Interests

Noncontrolling Interests   For balance sheet purposes, noncontrolling interests represent 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. Noncontrolling interests that are redeemable at the option of the holder are presented separately in the mezzanine section of the balance sheet (between liabilities and equity).

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.

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. The effect of a change in tax rates on deferred tax assets and liabilities is recorded in net earnings in the period that includes the enactment date.

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 records excess tax benefits or deficiencies for share-based payments through income tax expense in the statement of earnings. In addition, AFG accounts for forfeitures of awards when they occur.

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: 2020 – 0.5 million, 2019 – 1.1 million and 2018 – 1.6 million.

There were no anti-dilutive potential common shares related to stock compensation plans or adjustments to net earnings attributable to shareholders in the calculation of diluted earnings per share for the years ended December 31, 2020, 2019 or 2018.

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, property and equipment and businesses. “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.

Segments of Operations

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 and trucks, inland and ocean marine, agricultural-related products and other commercial property coverages, (ii) Specialty casualty, which includes primarily excess and surplus, executive and professional liability, general liability, umbrella and excess liability, specialty coverages 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 lending and leasing institutions (including equipment leasing and collateral and lender-placed mortgage property insurance), fidelity and surety 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 sells traditional fixed and indexed annuities in the retail, financial institutions, broker-dealer and registered investment advisor markets. AFG’s reportable segments and their components were determined based primarily upon similar economic characteristics, products and services.

Net Unrealized Gain on Marketable Securities

Net Unrealized Gain on Marketable Securities   In addition to adjusting 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.

Accumulated Other Comprehensive Income, Net of Tax ("AOCI")

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.

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Acquisitions and Sale of Businesses (Tables)

12 Months Ended

Dec. 31, 2020

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):

	November 30, 2018
Total purchase price	$	30
Tangible assets acquired	28
Liabilities acquired	26
Net tangible assets acquired, at fair value	2
Excess purchase price over net tangible assets acquired	$	28
Allocation of excess purchase price:
Intangible assets acquired (*)	$	25
Deferred tax on intangible assets acquired (*)	(5)
Goodwill	8
	$	28

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

Disposal Groups, Including Discontinued Operations

The gain on the sale of Neon, which was recorded in AFG’s financial statements as of December 31, 2020, is shown below (in millions):

Sale proceeds, net of expenses	$	3
Assets of businesses to be sold:
Cash and investments	$	453
Recoverables from reinsurers	224
Prepaid reinsurance premiums	8
Agents’ balances and premiums receivable	42
Other assets	60
Total assets	787
Liabilities of businesses to be sold:
Unpaid losses and loss adjustment expenses	640
Unearned premiums	49
Payable to reinsurers	19
Other liabilities	92
Total liabilities	800
Reclassify accumulated other comprehensive income	(7)
Net liabilities of businesses sold	$	(20)
Pretax gain on subsidiaries recorded in 2020	$	23

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

	Year ended December 31,
	2020		2019		2018
Net earned premiums	$	200	$	384	$	306
Loss and loss adjustment expenses	218		225		204
Commissions and other underwriting expenses	117		195		165
Underwriting loss	(135)		(36)		(63)
Net investment income (loss)	(5)		6		10
Other income and expenses, net	(5)		(10)		(5)
Loss before income taxes and noncontrolling interests	$	(145)	$	(40)	$	(58)

The impact of Neon exited lines on AFG’s net earnings for the year ended December 31, 2020 is shown below (in millions):

Underwriting loss	$	(135)
Net investment income (loss)	(5)
Other income and expenses, net	(5)
Loss before income taxes and noncontrolling interests	(145)
Pretax gain on sale of subsidiaries	23
Total pretax loss from Neon exited lines	(122)
Tax benefit related to sale of subsidiaries	72
Less: Net loss attributable to noncontrolling interests	(11)
Net loss from Neon exited lines attributable to shareholders	$	(39)

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Segments of Operations (Tables)

12 Months Ended

Dec. 31, 2020

Segment Reporting [Abstract]

Segment Reporting Information, by Segment

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

	2020		2019		2018
Assets
Property and casualty insurance (a)	$	19,689	$	19,098	$	17,681
Annuity	47,626		45,074		39,952
Other	6,251		5,958		5,823
Total assets	$	73,566	$	70,130	$	63,456

Revenues
Property and casualty insurance:
Premiums earned:
Specialty
Property and transportation	$	1,871	$	1,828	$	1,729
Specialty casualty	2,235		2,597		2,403
Specialty financial	613		610		598
Other specialty	180		150		135
Other lines (b)	200		—		—
Total premiums earned	5,099		5,185		4,865
Net investment income (c)	399		472		438
Other income	8		11		10
Total property and casualty insurance	5,506		5,668		5,313
Annuity:
Net investment income	1,699		1,792		1,638
Other income	131		120		125
Total annuity	1,830		1,912		1,763
Other	261		370		340
Total revenues before realized gains (losses)	7,597		7,950		7,416
Realized gains (losses) on securities	289		287		(266)
Realized gains on subsidiaries	23		—		—
Total revenues	$	7,909	$	8,237	$	7,150

(a)Not allocable to sub-segments.

(b)Represents premiums earned in the Neon exited lines during 2020. Neon’s $384 million and $306 million in earned premiums during 2019 and 2018, respectively, are included in the Specialty casualty sub-segment.

(c)Includes a loss of $5 million in the Neon exited lines in 2020 (primarily from the change in fair value of equity securities).

	2020		2019		2018
Earnings Before Income Taxes
Property and casualty insurance:
Underwriting:
Specialty
Property and transportation	$	181	$	79	$	120
Specialty casualty	223		175		141
Specialty financial	50		92		66
Other specialty	(28)		(21)		(5)
Other lines (a)	(202)		(113)		(20)
Total underwriting	224		212		302
Investment and other income, net (b)	360		437		407
Total property and casualty insurance	584		649		709
Annuity	171		362		361
Other (c)	(219)		(190)		(165)
Total earnings before realized gains (losses) and income taxes	536		821		905
Realized gains (losses) on securities	289		287		(266)
Realized gains on subsidiaries	23		—		—
Total earnings before income taxes	$	848	$	1,108	$	639

(a)Includes an underwriting loss of $135 million in 2020 in the Neon exited lines. Neon’s $36 million and $63 million underwriting losses in 2019 and 2018, respectively, are included in the Specialty casualty sub-segment. Also includes special charges to increase asbestos and environmental (“A&E”) reserves of $47 million in 2020 and $18 million in both 2019 and 2018, and a $76 million charge in 2019 related to the Neon exited lines.

(b)Includes $10 million in 2020 in net expenses from the Neon exited lines, before noncontrolling interest.

(c)Includes holding company interest and expenses, including losses on retirement of debt of $5 million in both 2020 and 2019, respectively, and special charges to increase A&E reserves related to AFG’s former railroad and manufacturing operations ($21 million in 2020, $11 million in 2019 and $9 million in 2018). Also includes the results of AFG’s run-off life and long-term care businesses, including a $4 million loss recognition charge recorded in the run-off long-term care business in 2020.

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Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2020

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
December 31, 2020
Assets:
Available for sale (“AFS”) fixed maturities:
U.S. Government and government agencies	$	201	$	26	$	15	$	242
States, municipalities and political subdivisions	—		5,630		103		5,733
Foreign government	—		211		—		211
Residential MBS	—		2,890		165		3,055
Commercial MBS	—		777		13		790
Collateralized loan obligations	—		4,489		64		4,553
Other asset-backed securities	—		5,850		1,373		7,223
Corporate and other	44		19,873		1,483		21,400
Total AFS fixed maturities	245		39,746		3,216		43,207
Trading fixed maturities	—		66		—		66
Equity securities	1,096		98		469		1,663
Equity index call options	—		825		—		825
Assets of managed investment entities (“MIE”)	217		4,733		21		4,971
Variable annuity assets (separate accounts) (*)	—		664		—		664
Other assets — derivatives	—		102		—		102
Total assets accounted for at fair value	$	1,558	$	46,234	$	3,706	$	51,498
Liabilities:
Liabilities of managed investment entities	$	208	$	4,543	$	20	$	4,771
Derivatives in annuity benefits accumulated	—		—		3,933		3,933
Other liabilities — derivatives	—		10		—		10
Total liabilities accounted for at fair value	$	208	$	4,553	$	3,953	$	8,714
December 31, 2019
Assets:
Available for sale fixed maturities:
U.S. Government and government agencies	$	151	$	43	$	15	$	209
States, municipalities and political subdivisions	—		6,858		105		6,963
Foreign government	—		172		—		172
Residential MBS	—		2,987		173		3,160
Commercial MBS	—		892		35		927
Collateralized loan obligations	—		4,265		15		4,280
Other asset-backed securities	—		5,842		1,286		7,128
Corporate and other	29		21,879		1,758		23,666
Total AFS fixed maturities	180		42,938		3,387		46,505
Trading fixed maturities	2		111		—		113
Equity securities	1,433		67		437		1,937
Equity index call options	—		924		—		924
Assets of managed investment entities	213		4,506		17		4,736
Variable annuity assets (separate accounts) (*)	—		628		—		628
Other assets — derivatives	—		50		—		50
Total assets accounted for at fair value	$	1,828	$	49,224	$	3,841	$	54,893
Liabilities:
Liabilities of managed investment entities	$	206	$	4,349	$	16	$	4,571
Derivatives in annuity benefits accumulated	—		—		3,730		3,730
Other liabilities — derivatives	—		10		—		10
Total liabilities accounted for at fair value	$	206	$	4,359	$	3,746	$	8,311

(*)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 Level 3 liabilities. See Note F — “Derivatives.”

Unobservable Input	Range
Adjustment for insurance subsidiary’s credit risk	0.2% – 2.2% over the risk-free rate
Risk margin for uncertainty in cash flows	0.99% reduction in the discount rate
Surrenders	4% – 23% of indexed account value
Partial surrenders	2% – 11% of indexed account value
Annuitizations	0.1% – 1% of indexed account value
Deaths	1.7% – 13.9% of indexed account value
Budgeted option costs	2.2% – 2.9% of indexed account value

Changes in asset balances of Level 3 financial assets

Changes in balances of Level 3 financial assets and liabilities carried at fair value during 2020, 2019 and 2018 are presented below (in millions). The transfers into and out of Level 3 were due to changes in the availability of market observable inputs and $29 million of equity securities transferred into Level 3 in 2018 related to a small number of limited partnerships and similar investments carried at cost under the prior guidance that are carried at fair value through net earnings under new guidance adopted on January 1, 2018, as discussed in Note A — “Accounting Policies — Investments.” 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 December 31, 2019		Net earnings		Other comprehensive income (loss)		Purchases and issuances		Sales and settlements		Transfer into Level 3		Transfer out of Level 3		Balance at December 31, 2020
AFS fixed maturities:
U.S. government agency	$	15	$	4	$	(4)	$	—	$	—	$	—	$	—	$	15
State and municipal	105		—		5		—		(5)		—		(2)		103
Residential MBS	173		(7)		(8)		—		(19)		58		(32)		165
Commercial MBS	35		—		1		—		(3)		2		(22)		13
Collateralized loan obligations	15		(5)		22		—		—		187		(155)		64
Other asset-backed securities	1,286		(17)		20		423		(375)		215		(179)		1,373
Corporate and other	1,758		2		33		283		(185)		133		(541)		1,483
Total AFS fixed maturities	3,387		(23)		69		706		(587)		595		(931)		3,216
Equity securities	437		(13)		—		73		(19)		17		(26)		469
Assets of MIE	17		(6)		—		2		—		8		—		21
Total Level 3 assets	$	3,841	$	(42)	$	69	$	781	$	(606)	$	620	$	(957)	$	3,706
Embedded derivatives (a)	$	(3,730)	$	(283)	$	—	$	(242)	$	322	$	—	$	—	$	(3,933)
Total Level 3 liabilities (b)	$	(3,730)	$	(283)	$	—	$	(242)	$	322	$	—	$	—	$	(3,933)

(a)Total realized/unrealized gains (losses) included in net earnings for the embedded derivatives reflects a favorable adjustment related to the unlocking of actuarial assumptions of $240 million in 2020.

(b)As previously discussed, these tables exclude the portion of MIE liabilities allocated to Level 3, which are derived from the fair value of MIE assets.

			Total realized/unrealized gains (losses) included in
	Balance at December 31, 2018		Net earnings		Other comprehensive income (loss)		Purchases and issuances		Sales and settlements		Transfer into Level 3		Transfer out of Level 3		Balance at December 31, 2019
AFS fixed maturities:
U.S. government agency	$	9	$	—	$	7	$	—	$	(1)	$	—	$	—	$	15
State and municipal	59		—		5		—		(3)		55		(11)		105
Residential MBS	197		6		(3)		—		(20)		48		(55)		173
Commercial MBS	56		2		—		—		(12)		4		(15)		35
Collateralized loan obligations	116		(5)		5		—		—		28		(129)		15
Other asset-backed securities	731		—		6		787		(192)		23		(69)		1,286
Corporate and other	1,996		(3)		55		738		(335)		30		(723)		1,758
Total AFS fixed maturities	3,164		—		75		1,525		(563)		188		(1,002)		3,387
Equity securities	336		(5)		—		52		(2)		56		—		437
Assets of MIE	21		(5)		—		1		—		—		—		17
Total Level 3 assets	$	3,521	$	(10)	$	75	$	1,578	$	(565)	$	244	$	(1,002)	$	3,841
Embedded derivatives (a)	$	(2,720)	$	(919)	$	—	$	(333)	$	242	$	—	$	—	$	(3,730)
Total Level 3 liabilities (b)	$	(2,720)	$	(919)	$	—	$	(333)	$	242	$	—	$	—	$	(3,730)

(a)Total realized/unrealized gains (losses) included in net earnings for the embedded derivatives reflects a favorable adjustment related to the unlocking of actuarial assumptions of $181 million in 2019.

(b)As previously discussed, these tables exclude the portion of MIE liabilities allocated to Level 3, which are derived from the fair value of MIE assets.

			Total realized/unrealized gains (losses) included in
	Balance at December 31, 2017		Net earnings		Other comprehensive income (loss)		Purchases and issuances		Sales and settlements		Transfer into Level 3		Transfer out of Level 3		Balance at December 31, 2018
AFS fixed maturities:
U.S. government agency	$	8	$	—	$	—	$	—	$	—	$	1	$	—	$	9
State and municipal	148		—		(2)		—		(3)		—		(84)		59
Residential MBS	122		(9)		(4)		—		(21)		130		(21)		197
Commercial MBS	36		—		—		20		—		—		—		56
Collateralized loan obligations	200		(3)		(13)		35		(20)		3		(86)		116
Other asset-backed securities	544		—		(2)		391		(228)		79		(53)		731
Corporate and other	1,044		(10)		(18)		1,221		(204)		27		(64)		1,996
Total AFS fixed maturities	2,102		(22)		(39)		1,667		(476)		240		(308)		3,164
Equity securities	165		9		—		155		(6)		30		(17)		336
Assets of MIE	23		(8)		—		6		—		—		—		21
Total Level 3 assets	$	2,290	$	(21)	$	(39)	$	1,828	$	(482)	$	270	$	(325)	$	3,521
Embedded derivatives (a)	$	(2,542)	$	204	$	—	$	(545)	$	163	$	—	$	—	$	(2,720)
Total Level 3 liabilities (b)	$	(2,542)	$	204	$	—	$	(545)	$	163	$	—	$	—	$	(2,720)

(a)Total realized/unrealized gains (losses) included in net earnings for the embedded derivatives includes losses related to the unlocking of actuarial assumptions of $44 million in 2018.

(b)As previously discussed, these tables exclude the portion of MIE liabilities allocated to Level 3, which are derived from the fair value of MIE assets.

Changes in liability balances of Level 3 financial liabilities

Changes in balances of Level 3 financial assets and liabilities carried at fair value during 2020, 2019 and 2018 are presented below (in millions). The transfers into and out of Level 3 were due to changes in the availability of market observable inputs and $29 million of equity securities transferred into Level 3 in 2018 related to a small number of limited partnerships and similar investments carried at cost under the prior guidance that are carried at fair value through net earnings under new guidance adopted on January 1, 2018, as discussed in Note A — “Accounting Policies — Investments.” 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 December 31, 2019		Net earnings		Other comprehensive income (loss)		Purchases and issuances		Sales and settlements		Transfer into Level 3		Transfer out of Level 3		Balance at December 31, 2020
AFS fixed maturities:
U.S. government agency	$	15	$	4	$	(4)	$	—	$	—	$	—	$	—	$	15
State and municipal	105		—		5		—		(5)		—		(2)		103
Residential MBS	173		(7)		(8)		—		(19)		58		(32)		165
Commercial MBS	35		—		1		—		(3)		2		(22)		13
Collateralized loan obligations	15		(5)		22		—		—		187		(155)		64
Other asset-backed securities	1,286		(17)		20		423		(375)		215		(179)		1,373
Corporate and other	1,758		2		33		283		(185)		133		(541)		1,483
Total AFS fixed maturities	3,387		(23)		69		706		(587)		595		(931)		3,216
Equity securities	437		(13)		—		73		(19)		17		(26)		469
Assets of MIE	17		(6)		—		2		—		8		—		21
Total Level 3 assets	$	3,841	$	(42)	$	69	$	781	$	(606)	$	620	$	(957)	$	3,706
Embedded derivatives (a)	$	(3,730)	$	(283)	$	—	$	(242)	$	322	$	—	$	—	$	(3,933)
Total Level 3 liabilities (b)	$	(3,730)	$	(283)	$	—	$	(242)	$	322	$	—	$	—	$	(3,933)

(a)Total realized/unrealized gains (losses) included in net earnings for the embedded derivatives reflects a favorable adjustment related to the unlocking of actuarial assumptions of $240 million in 2020.

(b)As previously discussed, these tables exclude the portion of MIE liabilities allocated to Level 3, which are derived from the fair value of MIE assets.

			Total realized/unrealized gains (losses) included in
	Balance at December 31, 2018		Net earnings		Other comprehensive income (loss)		Purchases and issuances		Sales and settlements		Transfer into Level 3		Transfer out of Level 3		Balance at December 31, 2019
AFS fixed maturities:
U.S. government agency	$	9	$	—	$	7	$	—	$	(1)	$	—	$	—	$	15
State and municipal	59		—		5		—		(3)		55		(11)		105
Residential MBS	197		6		(3)		—		(20)		48		(55)		173
Commercial MBS	56		2		—		—		(12)		4		(15)		35
Collateralized loan obligations	116		(5)		5		—		—		28		(129)		15
Other asset-backed securities	731		—		6		787		(192)		23		(69)		1,286
Corporate and other	1,996		(3)		55		738		(335)		30		(723)		1,758
Total AFS fixed maturities	3,164		—		75		1,525		(563)		188		(1,002)		3,387
Equity securities	336		(5)		—		52		(2)		56		—		437
Assets of MIE	21		(5)		—		1		—		—		—		17
Total Level 3 assets	$	3,521	$	(10)	$	75	$	1,578	$	(565)	$	244	$	(1,002)	$	3,841
Embedded derivatives (a)	$	(2,720)	$	(919)	$	—	$	(333)	$	242	$	—	$	—	$	(3,730)
Total Level 3 liabilities (b)	$	(2,720)	$	(919)	$	—	$	(333)	$	242	$	—	$	—	$	(3,730)

(a)Total realized/unrealized gains (losses) included in net earnings for the embedded derivatives reflects a favorable adjustment related to the unlocking of actuarial assumptions of $181 million in 2019.

(b)As previously discussed, these tables exclude the portion of MIE liabilities allocated to Level 3, which are derived from the fair value of MIE assets.

			Total realized/unrealized gains (losses) included in
	Balance at December 31, 2017		Net earnings		Other comprehensive income (loss)		Purchases and issuances		Sales and settlements		Transfer into Level 3		Transfer out of Level 3		Balance at December 31, 2018
AFS fixed maturities:
U.S. government agency	$	8	$	—	$	—	$	—	$	—	$	1	$	—	$	9
State and municipal	148		—		(2)		—		(3)		—		(84)		59
Residential MBS	122		(9)		(4)		—		(21)		130		(21)		197
Commercial MBS	36		—		—		20		—		—		—		56
Collateralized loan obligations	200		(3)		(13)		35		(20)		3		(86)		116
Other asset-backed securities	544		—		(2)		391		(228)		79		(53)		731
Corporate and other	1,044		(10)		(18)		1,221		(204)		27		(64)		1,996
Total AFS fixed maturities	2,102		(22)		(39)		1,667		(476)		240		(308)		3,164
Equity securities	165		9		—		155		(6)		30		(17)		336
Assets of MIE	23		(8)		—		6		—		—		—		21
Total Level 3 assets	$	2,290	$	(21)	$	(39)	$	1,828	$	(482)	$	270	$	(325)	$	3,521
Embedded derivatives (a)	$	(2,542)	$	204	$	—	$	(545)	$	163	$	—	$	—	$	(2,720)
Total Level 3 liabilities (b)	$	(2,542)	$	204	$	—	$	(545)	$	163	$	—	$	—	$	(2,720)

(a)Total realized/unrealized gains (losses) included in net earnings for the embedded derivatives includes losses related to the unlocking of actuarial assumptions of $44 million in 2018.

(b)As previously discussed, these tables exclude the portion of MIE liabilities allocated to Level 3, which are derived from the fair value of MIE assets.

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 at December 31 are summarized below (in millions):

	Carrying		Fair Value
	Value		Total		Level 1		Level 2		Level 3
2020
Financial assets:
Cash and cash equivalents	$	2,810	$	2,810	$	2,810	$	—	$	—
Mortgage loans	1,623		1,652		—		—		1,652
Policy loans	151		151		—		—		151
Total financial assets not accounted for at fair value	$	4,584	$	4,613	$	2,810	$	—	$	1,803
Financial liabilities:
Annuity benefits accumulated (*)	$	41,460	$	43,081	$	—	$	—	$	43,081
Long-term debt	1,963		2,325		—		2,322		3
Total financial liabilities not accounted for at fair value	$	43,423	$	45,406	$	—	$	2,322	$	43,084
2019
Financial assets:
Cash and cash equivalents	$	2,314	$	2,314	$	2,314	$	—	$	—
Mortgage loans	1,329		1,346		—		—		1,346
Policy loans	164		164		—		—		164
Total financial assets not accounted for at fair value	$	3,807	$	3,824	$	2,314	$	—	$	1,510
Financial liabilities:
Annuity benefits accumulated (*)	$	40,159	$	40,182	$	—	$	—	$	40,182
Long-term debt	1,473		1,622		—		1,619		3
Total financial liabilities not accounted for at fair value	$	41,632	$	41,804	$	—	$	1,619	$	40,185

(*)Excludes $1.11 billion and $247 million of life contingent annuities in the payout phase at December 31, 2020 and 2019, respectively.

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Investments (Tables)

12 Months Ended

Dec. 31, 2020

Investments, Debt and Equity Securities [Abstract]

Available for sale fixed maturities and equity securities

Available for sale fixed maturities at December 31 consisted of the following (in millions):

	Amortized Cost		Allowance for Expected Credit Losses		Gross Unrealized				Net Unrealized		Fair Value
					Gains		Losses
December 31, 2020
Fixed maturities:
U.S. Government and government agencies	$	231	$	—	$	11	$	—	$	11	$	242
States municipalities and political subdivisions	5,249		—		486		(2)		484		5,733
Foreign government	203		—		8		—		8		211
Residential MBS	2,812		3		251		(5)		246		3,055
Commercial MBS	748		—		43		(1)		42		790
Collateralized loan obligations	4,556		13		27		(17)		10		4,553
Other asset-backed securities	7,138		18		169		(66)		103		7,223
Corporate and other	19,471		6		1,962		(27)		1,935		21,400
Total fixed maturities	$	40,408	$	40	$	2,957	$	(118)	$	2,839	$	43,207
December 31, 2019
Fixed maturities:
U.S. Government and government agencies	$	199	$	—	$	10	$	—	$	10	$	209
States municipalities and political subdivisions	6,604		—		363		(4)		359		6,963
Foreign government	170		—		3		(1)		2		172
Residential MBS	2,900		—		265		(5)		260		3,160
Commercial MBS	896		—		31		—		31		927
Collateralized loan obligations	4,307		—		10		(37)		(27)		4,280
Other asset-backed securities	6,992		—		156		(20)		136		7,128
Corporate and other	22,456		—		1,231		(21)		1,210		23,666
Total fixed maturities	$	44,524	$	—	$	2,069	$	(88)	$	1,981	$	46,505

Equity securities reported at fair value

Equity securities, which are reported at fair value with holding gains and losses recognized in net earnings, consisted of the following at December 31 (in millions):

	2020						2019
					Fair Value						Fair Value
	Actual				over (under)		Actual				over (under)
	Cost		Fair Value		Cost		Cost		Fair Value		Cost
Common stocks	$	939	$	922	$	(17)	$	1,164	$	1,283	$	119
Perpetual preferred stocks	702		741		39		640		654		14
Total equity securities carried at fair value	$	1,641	$	1,663	$	22	$	1,804	$	1,937	$	133

Gross unrealized losses on securities by investment category and length of time that have been in a continuous unrealized loss position

The following tables show gross unrealized losses (dollars in millions) on available for sale fixed maturities by investment category and length of time that individual securities have been in a continuous unrealized loss position at the following balance sheet dates.

	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
December 31, 2020
Fixed maturities:
U.S. Government and government agencies	$	—	$	23	100	%	$	—	$	—	—	%
States, municipalities and political subdivisions	(2)		117		98	%	—		11		100	%
Foreign government	—		7		100	%	—		—		—	%
Residential MBS	(4)		210		98	%	(1)		30		97	%
Commercial MBS	(1)		39		98	%	—		9		100	%
Collateralized loan obligations	(3)		673		100	%	(14)		1,599		99	%
Other asset-backed securities	(45)		1,440		97	%	(21)		388		95	%
Corporate and other	(22)		858		98	%	(5)		124		96	%
Total fixed maturities	$	(77)	$	3,367	98	%	$	(41)	$	2,161	98	%
December 31, 2019
Fixed maturities:
U.S. Government and government agencies	$	—	$	16	100	%	$	—	$	11	100	%
States, municipalities and political subdivisions	(3)		254		99	%	(1)		82		99	%
Foreign government	(1)		70		99	%	—		—		—	%
Residential MBS	(4)		509		99	%	(1)		69		99	%
Commercial MBS	—		17		100	%	—		—		—	%
Collateralized loan obligations	(11)		1,284		99	%	(26)		1,728		99	%
Other asset-backed securities	(12)		1,211		99	%	(8)		123		94	%
Corporate and other	(13)		1,100		99	%	(8)		211		96	%
Total fixed maturities	$	(44)	$	4,461	99	%	$	(44)	$	2,224	98	%

Roll forward of allowance for credit losses on fixed maturity securities

A progression of the allowance for expected credit losses on fixed maturity securities is shown below (in millions):

	Structured securities (*)		Corporate and other		Total
Balance at January 1	$	—	$	—	$	—
Impact of adoption of new accounting policy	—		—		—
Initial allowance for purchased securities with credit deterioration	1		—		1
Provision for expected credit losses on securities with no previous allowance	40		28		68
Additions (reductions) to previously recognized expected credit losses	(6)		(16)		(22)
Reductions due to sales or redemptions	(1)		(6)		(7)
Balance at December 31	$	34	$	6	$	40

(*)Includes mortgage-backed securities, collateralized loan obligations and other asset-backed securities.

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 December 31, 2020 (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, net (*)		Amount		%
Maturity
One year or less	$	2,735	$	2,762	6	%
After one year through five years	10,344		11,149		26	%
After five years through ten years	9,298		10,570		25	%
After ten years	2,771		3,105		7	%
	25,148		27,586		64	%
Collateralized loan obligations and other ABS (average life of approximately 3-1/2 years)	11,663		11,776		27	%
MBS (average life of approximately 3-1/2 years)	3,557		3,845		9	%
Total	$	40,368	$	43,207	100	%

(*)Amortized cost, net of allowance for expected credit losses.

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		Net
December 31, 2020
Net unrealized gain on:
Fixed maturities — annuity segment (*)	$	2,323	$	(488)	$	1,835
Fixed maturities — all other	516		(108)		408
Total fixed maturities	2,839		(596)		2,243
Deferred policy acquisition costs — annuity segment	(934)		196		(738)
Annuity benefits accumulated	(324)		68		(256)
Life, accident and health reserves	(3)		—		(3)
Unearned revenue	11		(2)		9
Total net unrealized gain on marketable securities	$	1,589	$	(334)	$	1,255
December 31, 2019
Net unrealized gain on:
Fixed maturities — annuity segment (*)	$	1,611	$	(338)	$	1,273
Fixed maturities — all other	370		(78)		292
Total fixed maturities	1,981		(416)		1,565
Deferred policy acquisition costs — annuity segment	(681)		143		(538)
Annuity benefits accumulated	(219)		46		(173)
Life, accident and health reserves	(1)		—		(1)
Unearned revenue	11		(2)		9
Total net unrealized gain on marketable securities	$	1,091	$	(229)	$	862

(*)Net 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.

	2020		2019		2018
Investment income:
Fixed maturities	$	1,880	$	1,915	$	1,742
Equity securities:
Dividends	63		85		79
Change in fair value (a) (b)	24		39		22
Equity in earnings of partnerships and similar investments	98		154		161
Other	96		132		112
Gross investment income	2,161		2,325		2,116
Investment expenses	(29)		(22)		(22)
Net investment income (b)	$	2,132	$	2,303	$	2,094

(a)Although the change in the fair value of the majority of AFG’s equity securities is recorded in realized gains (losses) on securities, AFG records holding gains and losses in net investment income on equity securities classified as “trading” under previous guidance and on a small portfolio of limited partnership and similar investments that do not qualify for the equity method of accounting.

(b)Net investment income in 2020 includes losses of $5 million on investments held by the companies that comprise the Neon exited lines due primarily to the $7 million loss recorded in first quarter of 2020 on equity securities that are carried at fair value through net investment income.

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) included in AOCI related to fixed maturity securities are summarized as follows (in millions):

	2020								2019
	Realized gains (losses)								Realized gains (losses)
	Before Impairments		Impairment (Allowance)		Total		Change in Unrealized		Before Impairments		Impairments		Total		Change in Unrealized
Fixed maturities (a)	$	468	$	(46)	$	422	$	858	$	26	$	(29)	$	(3)	$	1,821
Equity securities	(96)		—		(96)		—		277		—		277		—
Mortgage loans and other investments	4		—		4		—		3		—		3		—
Other (b)	(52)		11		(41)		(360)		—		10		10		(835)
Total pretax	324		(35)		289		498		306		(19)		287		986
Tax effects	(68)		7		(61)		(105)		(64)		4		(60)		(207)
Net of tax	$	256	$	(28)	$	228	$	393	$	242	$	(15)	$	227	$	779

	2018
	Realized gains (losses)
	Before Impairments		Impairments		Total		Change in Unrealized
Fixed maturities	$	6	$	(26)	$	(20)	$	(1,181)
Equity securities	(265)		—		(265)		—
Mortgage loans and other investments	1		—		1		—
Other (b)	11		7		18		502
Total pretax	(247)		(19)		(266)		(679)
Tax effects	52		4		56		143
Net of tax	$	(195)	$	(15)	$	(210)	$	(536)

(a)Includes realized gains of $415 million on investments disposed of in AFG’s 2020 annuity block reinsurance transaction. See Note P — Insurance.

(b)Primarily adjustments to deferred policy acquisition costs and reserves related to the annuity business.

Holding gains (losses) on equity securities still held

AFG recorded net holding gains (losses) on equity securities during 2020, 2019 and 2018 on securities that were still owned at December 31 of each year presented as follows (in millions):

	2020		2019		2018
Included in realized gains (losses)	$	(70)	$	169	$	(279)
Included in net investment income	24		38		22
	$	(46)	$	207	$	(257)

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

Gross realized gains and losses (excluding impairment charges and mark-to-market of derivatives) on available for sale fixed maturity investment transactions consisted of the following (in millions):

	2020		2019		2018
Gross gains	$	526	$	35	$	22
Gross losses	(55)		(19)		(14)

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Derivatives (Tables)

12 Months Ended

Dec. 31, 2020

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):

		December 31, 2020				December 31, 2019
Derivative	Balance Sheet Line	Asset		Liability		Asset		Liability
MBS with embedded derivatives	Fixed maturities	$	174	$	—	$	102	$	—
Public company warrants	Equity securities	—		—		—		—
Fixed-indexed and variable-indexed annuities (embedded derivative)	Annuity benefits accumulated	—		3,933		—		3,730
Equity index call options	Equity index call options	825		—		924		—
Equity index put options	Other liabilities	—		5		—		1
Reinsurance contract (embedded derivative)	Other liabilities	—		5		—		4
		$	999	$	3,943	$	1,026	$	3,735

Summary of gain (loss) included in the Statement of Earnings for changes in the fair value of derivatives

The following table summarizes the gains (losses) included in AFG’s Statement of Earnings for changes in the fair value of derivatives that do not qualify for hedge accounting for 2020, 2019 and 2018 (in millions):

Derivative	Statement of Earnings Line	2020		2019		2018
MBS with embedded derivatives	Realized gains (losses) on securities	$	(3)	$	10	$	(7)
Public company warrants	Realized gains (losses) on securities	—		(1)		(3)
Fixed-indexed and variable-indexed annuities (embedded derivative) (*)	Annuity benefits	(283)		(919)		204
Equity index call options	Annuity benefits	223		804		(298)
Equity index put options	Annuity benefits	3		2		(1)
Reinsurance contracts (embedded derivative)	Net investment income	(1)		(2)		2
		$	(61)	$	(106)	$	(103)

(*)The change in fair value of the embedded derivative includes a favorable adjustment related to the unlocking of actuarial assumptions of $240 million in 2020 and $181 million in 2019 and losses of $44 million in 2018.

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Deferred Policy Acquisition Costs (Tables)

12 Months Ended

Dec. 31, 2020

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
	Deferred		Deferred		Sales										Consolidated
	Costs		Costs		Inducements		PVFP		Subtotal		Unrealized (*)		Total		Total
Balance at December 31, 2017	$	270	$	1,217	$	102	$	49	$	1,368	$	(422)	$	946	$	1,216
Additions	675		263		2		—		265		—		265		940
Amortization:
Periodic amortization	(644)		(238)		(19)		(7)		(264)		—		(264)		(908)
Annuity unlocking	—		29		—		—		29		—		29		29
Included in realized gains	—		14		1		—		15		—		15		15
Foreign currency translation	(2)		—		—		—		—		—		—		(2)
Change in unrealized	—		—		—		—		—		392		392		392
Balance at December 31, 2018	299		1,285		86		42		1,413		(30)		1,383		1,682
Additions	744		206		2		—		208		—		208		952
Amortization:
Periodic amortization	(721)		(120)		(13)		(6)		(139)		—		(139)		(860)
Annuity unlocking	—		(76)		(1)		—		(77)		—		(77)		(77)
Included in realized gains	—		8		1		—		9		—		9		9
Foreign currency translation	—		—		—		—		—		—		—		—
Change in unrealized	—		—		—		—		—		(669)		(669)		(669)
Balance at December 31, 2019	322		1,303		75		36		1,414		(699)		715		1,037
Additions	547		154		2		—		156		—		156		703
Amortization:
Periodic amortization	(615)		(127)		(9)		(6)		(142)		—		(142)		(757)
Annuity unlocking	—		(118)		4		—		(114)		—		(114)		(114)
Included in realized gains	—		(42)		1		—		(41)		—		(41)		(41)
Foreign currency translation	—		—		—		—		—		—		—		—
Other	(10)		—		—		—		—		—		—		(10)
Change in unrealized	—		—		—		—		—		(272)		(272)		(272)
Balance at December 31, 2020	$	244	$	1,170	$	73	$	30	$	1,273	$	(971)	$	302	$	546

(*)Adjustments to DPAC related to net unrealized gains/losses on securities and cash flow hedges.

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Managed Investment Entities (Tables)

12 Months Ended

Dec. 31, 2020

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):

	Year ended December 31,
	2020		2019		2018
Investment in CLO tranches	$	200	$	165	$	188
Gains (losses) on change in fair value of assets/liabilities (a):
Assets	(69)		80		(189)
Liabilities	30		(110)		168
Management fees paid to AFG	15		15		16
CLO earnings attributable to AFG Shareholders (b)	(2)		4		7

(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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Goodwill and Other Intangibles (Tables)

12 Months Ended

Dec. 31, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Changes in the carrying value of goodwill by reporting segment

Changes in the carrying value of goodwill during 2018, 2019 and 2020, by reporting segment, are presented in the following table (in millions):

	Property and Casualty		Annuity		Total
Balance at January 1, 2018	$	168	$	31	$	199
Acquisition of subsidiary in 2018	8		—		8
Balance at December 31, 2018, 2019 and 2020	$	176	$	31	$	207

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Long-Term Debt (Tables)

12 Months Ended

Dec. 31, 2020

Debt Disclosure [Abstract]

Schedule of long-term debt instruments

Long-term debt consisted of the following at December 31 (in millions):

	2020						2019
	Principal		Discount and Issue Costs		Carrying Value		Principal		Discount and Issue Costs		Carrying Value
Direct Senior Obligations of AFG:
4.50% Senior Notes due June 2047	$	590	$	(2)	$	588	$	590	$	(2)	$	588
3.50% Senior Notes due August 2026	425		(3)		422		425		(3)		422
5.25% Senior Notes due April 2030	300		(6)		294		—		—		—
Other	3		—		3		3		—		3
	1,318		(11)		1,307		1,018		(5)		1,013
Direct Subordinated Obligations of AFG:
4.50% Subordinated Debentures due September 2060	200		(5)		195		—		—		—
5.125% Subordinated Debentures due December 2059	200		(6)		194		200		(6)		194
5.625% Subordinated Debentures due June 2060	150		(4)		146		—		—		—
5.875% Subordinated Debentures due March 2059	125		(4)		121		125		(4)		121
6% Subordinated Debentures due November 2055	—		—		—		150		(5)		145
	675		(19)		656		475		(15)		460
	$	1,993	$	(30)	$	1,963	$	1,493	$	(20)	$	1,473

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Leases Leases (Tables)

12 Months Ended

Dec. 31, 2020

Leases [Abstract]

Lease liability and right-of-use asset

AFG’s operating lease right-of-use asset (net of deferred rent and lease incentives) and operating lease liability are included in other assets and other liabilities, respectively, in AFG’s Balance Sheet at December 31 and are presented in the following table (in millions):

	2020		2019
Right-of-use asset (*)	$	139	$	158
Lease liability	159		180

(*)Net of deferred rent and lease incentives of $20 million at December 31, 2020 and $22 million at December 31, 2019.

Lease activity

The following table details AFG’s lease activity for the years ended December 31, 2020 and December 31, 2019 (in millions):

	2020		2019
Lease expense:
Operating leases	$	47	$	46
Short-term leases	—		1
Total lease expense	$	47	$	47

Other operating lease liability information

Other operating lease information for the years ended December 31, 2020 and December 31, 2019 (in millions):

	2020		2019
Cash paid for lease liabilities reported in operating cash flows	$	50	$	49
Right-of-use assets obtained under new leases	25		19

Undiscounted contractual maturities of operating lease liabilities

The following table presents the undiscounted contractual maturities of AFG’s operating lease liability at December 31, 2020 (in millions):

Operating lease payments:
2021	$	43
2022	35
2023	29
2024	23
2025	20
Thereafter	28
Total lease payments	178
Impact of discounting	(19)
Operating lease liability	$	159

Schedule of weighted-average remaining lease term and weighted-average discount rate

Weighted-average remaining lease term	5.4 years
Weighted-average discount rate	3.9	%

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Shareholders' Equity (Tables)

12 Months Ended

Dec. 31, 2020

Stockholders' Equity Note [Abstract]

Summary of restricted stock awards activity

The restricted Common Stock that AFG has granted generally vests over a four-year period. Data relating to grants of restricted stock is presented below:

	Shares	Average Grant Date Fair Value
Outstanding at January 1, 2020	919,935	$	91.10
Granted	227,867	$	104.15
Vested	(285,888)	$	67.65
Forfeited	(43,681)	$	101.97
Outstanding at December 31, 2020	818,233	$	101.65

Summary of stock options activity

Data for stock options issued under AFG’s stock incentive plans is presented below:

	Shares	Average Exercise Price		Average Remaining Contractual Term	Aggregate Intrinsic Value (in millions)
Outstanding at January 1, 2020	1,917,790	$	50.93
Exercised	(328,471)	$	43.69
Forfeited/Cancelled	(225)	$	63.15
Outstanding at December 31, 2020	1,589,094	$	52.43	2.8 years	$	56
Options exercisable at December 31, 2020	1,589,094	$	52.43	2.8 years	$	56

Components of accumulated other comprehensive income (loss)

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

			Other Comprehensive Income (Loss)
	AOCI Beginning Balance		Pretax		Tax		Net of tax		Attributable to noncontrolling interests		Attributable to shareholders		Other (b)		AOCI Ending Balance
Year ended December 31, 2020
Net unrealized gains (losses) on securities:
Unrealized holding gains on securities arising during the period			$	887	$	(187)	$	700	$	—	$	700
Reclassification adjustment for realized (gains) losses included in net earnings (a)			(389)		82		(307)		—		(307)
Total net unrealized gains (losses) on securities	$	862	498		(105)		393		—		393		$	—	$	1,255
Net unrealized gains (losses) on cash flow hedges	17		30		(6)		24		—		24		—		41
Foreign currency translation adjustments	(9)		(1)		—		(1)		(2)		(3)		(4)		(16)
Pension and other postretirement plans adjustments	(7)		—		—		—		—		—		—		(7)
Total	$	863	$	527	$	(111)	$	416	$	(2)	$	414	$	(4)	$	1,273
Year ended December 31, 2019
Net unrealized gains on securities:
Unrealized holding gains on securities arising during the period			$	997	$	(209)	$	788	$	—	$	788
Reclassification adjustment for realized (gains) losses included in net earnings (a)			(11)		2		(9)		—		(9)
Total net unrealized gains on securities	$	83	986		(207)		779		—		779		$	—	$	862
Net unrealized gains (losses) on cash flow hedges	(11)		36		(8)		28		—		28		—		17
Foreign currency translation adjustments	(16)		7		—		7		—		7		—		(9)
Pension and other postretirement plans adjustments	(8)		1		—		1		—		1		—		(7)
Total	$	48	$	1,030	$	(215)	$	815	$	—	$	815	$	—	$	863
Year ended December 31, 2018
Net unrealized gains (losses) on securities:
Unrealized holding losses on securities arising during the period			$	(689)	$	145	$	(544)	$	—	$	(544)
Reclassification adjustment for realized (gains) losses included in net earnings (a)			10		(2)		8		—		8
Total net unrealized gains (losses) on securities	$	840	(679)		143		(536)		—		(536)		$	(221)	$	83
Net unrealized gains (losses) on cash flow hedges	(13)		2		—		2		—		2		—		(11)
Foreign currency translation adjustments	(6)		(9)		(1)		(10)		—		(10)		—		(16)
Pension and other postretirement plans adjustments	(8)		—		—		—		—		—		—		(8)
Total	$	813	$	(686)	$	142	$	(544)	$	—	$	(544)	$	(221)	$	48

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

OCI component	Affected line in the statement of earnings
Pretax	Realized gains (losses) on securities
Tax	Provision (credit) for income taxes

(b)On January 1, 2018, AFG adopted new guidance that requires all equity securities other than those accounted for under the equity method to be reported at fair value with holding gains and losses recognized in net earnings. At the date of adoption, the $221 million net unrealized gain on equity securities classified as available for sale (with unrealized holding gains and losses reported in AOCI) under the prior guidance was reclassified from AOCI to retained earnings as the cumulative effect of an accounting change.

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Income Taxes (Tables)

12 Months Ended

Dec. 31, 2020

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 21% to the provision for income taxes as shown in AFG’s Statement of Earnings (dollars in millions):

	2020				2019				2018
	Amount		% of EBT		Amount		% of EBT		Amount		% of EBT
Earnings before income taxes (“EBT”)	$	848			$	1,108			$	639
Income taxes at statutory rate	$	178	21	%	$	233	21	%	$	134	21	%
Effect of:
Tax exempt interest	(12)		(1	%)	(14)		(1	%)	(13)		(2	%)
Stock-based compensation	(4)		—	%	(8)		(1	%)	(8)		(1	%)
Dividend received deduction	(3)		—	%	(4)		—	%	(4)		(1	%)
Adjustment to prior year taxes	(1)		—	%	(3)		—	%	(8)		(1	%)
Employee stock ownership plan dividend paid deduction	(2)		—	%	(2)		—	%	(3)		(1	%)
Tax benefit related to sale of Neon	(72)		(8	%)	—		—	%	—		—	%
Change in valuation allowance	(117)		(14	%)	17		2	%	11		2	%
Foreign operations	149		18	%	4		—	%	(2)		—	%
Nondeductible expenses	5		1	%	8		1	%	7		1	%
Other	6		(2	%)	8		—	%	8		1	%
Provision for income taxes as shown in the statement of earnings	$	127	15	%	$	239	22	%	$	122	19	%

Components of income tax provision (credit)

The total income tax provision consists of (in millions):

	2020		2019		2018
Current taxes:
Federal	$	101	$	250	$	196
State	6		10		8
Foreign	3		2		—
Deferred taxes:
Federal	17		(23)		(82)
Provision for income taxes	$	127	$	239	$	122

Summary of operating loss carryforwards

For income tax purposes, AFG and its subsidiaries had the following carryforwards available at December 31, 2020 (in millions):

	Expiring	Amount
Operating Loss – U.S.	2021 - 2022	$	69
Operating Loss – United Kingdom	indefinite	34		(*)

(*)£25 million

Components of deferred tax assets and liabilities

The significant components of deferred tax assets and liabilities included in AFG’s Balance Sheet at December 31 were as follows (in millions):

	2020						2019
	Excluding Unrealized Gains		Impact of Unrealized Gains		Total		Excluding Unrealized Gains		Impact of Unrealized Gains		Total
Deferred tax assets:
Federal net operating loss carryforwards	$	15	$	—	$	15	$	19	$	—	$	19
Foreign underwriting losses	6		—		6		118		—		118
Capital loss carryforwards	7		—		7		—		—		—
Insurance claims and reserves	772		68		840		829		46		875
Employee benefits	104		—		104		93		—		93
Other, net	50		(2)		48		45		(2)		43
Total deferred tax assets before valuation allowance	954		66		1,020		1,104		44		1,148
Valuation allowance against deferred tax assets	(29)		—		(29)		(140)		—		(140)
Total deferred tax assets	925		66		991		964		44		1,008
Deferred tax liabilities:
Investment securities	(167)		(596)		(763)		(140)		(416)		(556)
Deferred policy acquisition costs	(267)		196		(71)		(293)		143		(150)
Insurance claims and reserves transition liability	(77)		—		(77)		(93)		—		(93)
Real estate, property and equipment	(37)		—		(37)		(35)		—		(35)
Total deferred tax liabilities	(548)		(400)		(948)		(561)		(273)		(834)
Net deferred tax asset (liability)	$	377	$	(334)	$	43	$	403	$	(229)	$	174

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Quarterly Operating Results (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2020

Quarterly Financial Information Disclosure [Abstract]

Schedule of quarterly operating results

The following are quarterly results of consolidated operations for the two years ended December 31, 2020 (in millions, except per share amounts). Quarterly earnings per share do not add to year-to-date amounts due to changes in shares outstanding.

	1st Quarter		2nd Quarter		3rd Quarter		4th Quarter		Total Year
2020
Revenues	$	1,275	$	1,951	$	2,060	$	2,623	$	7,909
Net earnings (loss), including noncontrolling interests	(304)		167		164		694		721
Net earnings (loss) attributable to shareholders	(301)		177		164		692		732
Earnings (loss) attributable to shareholders per Common Share:
Basic	$	(3.34)	$	1.98	$	1.86	$	7.99	$	8.25
Diluted	(3.34)		1.97		1.86		7.93		8.20
Average number of Common Shares:
Basic	90.3		89.7		88.2		86.6		88.7
Diluted	90.3		90.0		88.5		87.2		89.2
2019
Revenues	$	2,024	$	1,960	$	2,123	$	2,130	$	8,237
Net earnings (losses), including noncontrolling interests	326		209		143		191		869
Net earnings (losses) attributable to shareholders	329		210		147		211		897
Earnings (losses) attributable to shareholders per Common Share:
Basic	$	3.68	$	2.34	$	1.64	$	2.33	$	9.98
Diluted	3.63		2.31		1.62		2.31		9.85
Average number of Common Shares:
Basic	89.4		89.7		90.0		90.2		89.9
Diluted	90.7		91.0		91.1		91.3		91.0

Quarterly information on realized gains (losses)

Pretax realized gains (losses) on securities were as follows (in millions):

	1st Quarter		2nd Quarter		3rd Quarter		4th Quarter		Total Year
2020 — change in fair value of equity securities	$	(535)	$	202	$	30	$	207	$	(96)
2020 — other realized gains (losses)	(16)		2		15		384		385
2019 — change in fair value of equity securities	182		44		(15)		67		278
2019 — other realized gains (losses)	2		12		(3)		(2)		9

Quarterly Information on Net Investment Income

Net investment income, which includes mark-to-market income/(losses) on alternative investments (partnerships and similar investments), was as follows (in millions):

	1st Quarter		2nd Quarter		3rd Quarter		4th Quarter		Total Year
2020 — net investment income before alternative investments	$	511	$	520	$	511	$	465	$	2,007
2020 — alternative investments	33		(52)		61		83		125
2019 — net investment income before alternative investments	516		531		531		545		2,123
2019 — alternative investments	26		49		57		48		180

Quarterly information on the impact of items on fair value accounting for annuities

The impact of unlocking, changes in the fair value of derivatives related to FIAs, and other impacts of changes in the stock market and interest rates on the accounting for FIAs over or under the cost of the equity index options purchased to mitigate the risk in the index-based component of those FIAs, and beginning with the fourth quarter of 2020, the impact of the block reinsurance transaction entered into in October 2020 were as follows, net of the related acceleration/deceleration of the amortization of deferred policy acquisition costs and deferred sales inducements (in millions):

	1st Quarter		2nd Quarter		3rd Quarter		4th Quarter		Total Year
2020	$	(38)	$	(59)	$	(43)	$	(48)	$	(188)
2019	(11)		(33)		(27)		24		(47)

Quarterly information on favorable (adverse) development on unpaid loss and loss adjustment expenses

Favorable prior year development of AFG’s liability for property and casualty losses and loss adjustment expenses (”LAE”) was as follows (in millions):

	1st Quarter		2nd Quarter		3rd Quarter		4th Quarter		Total Year
2020	$	42	$	77	$	—	$	8	$	127
2019	45		41		12		45		143

Quarterly information on catastrophe losses

AFG’s property and casualty operations recorded catastrophe losses, including reinstatement premiums, as follows (in millions):

	1st Quarter		2nd Quarter		3rd Quarter		4th Quarter		Total Year
2020	$	(9)	$	(26)	$	(57)	$	(38)	$	(130)
2019	(12)		(12)		(22)		(15)		(61)

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Insurance (Tables)

12 Months Ended

Dec. 31, 2020

Insurance [Abstract]

Reconciliation of beginning and ending liability for unpaid losses and loss adjustment expenses

The following table provides an analysis of changes in the liability for losses and loss adjustment expenses over the past three years (in millions):

	2020		2019		2018
Balance at beginning of period	$	10,232	$	9,741	$	9,678
Less reinsurance recoverables, net of allowance	3,024		2,942		2,957
Net liability at beginning of period	7,208		6,799		6,721
Provision for losses and LAE occurring in the current year	3,398		3,414		3,195
Net increase (decrease) in the provision for claims of prior years:
Special A&E charges	47		18		18
Neon exited lines	19		7		—
Other	(193)		(168)		(210)
Total losses and LAE incurred	3,271		3,271		3,003
Payments for losses and LAE of:
Current year	(990)		(1,076)		(963)
Prior years	(1,766)		(1,790)		(1,639)
Total payments	(2,756)		(2,866)		(2,602)
Reserves of businesses disposed (*)	(449)		—		(319)
Foreign currency translation and other	1		4		(4)
Net liability at end of period	7,275		7,208		6,799
Add back reinsurance recoverables, net of allowance	3,117		3,024		2,942
Gross unpaid losses and LAE included in the balance sheet	$	10,392	$	10,232	$	9,741

(*)Reflects the December 31, 2020 sale of Neon (see Note B — “Acquisitions and Sale of Businesses”) and the reinsurance to close transactions at Neon, which settled in early 2018 (discussed below).

Short-duration insurance contracts, reconciliation of claims development to liability

A reconciliation of incurred and paid claims development information to the aggregate carrying amount of the liability for unpaid losses and LAE, with separate disclosure of reinsurance recoverables on unpaid claims is shown below (in millions):

	2020
Unpaid losses and allocated LAE, net of reinsurance:
Specialty
Property and transportation	$	1,196
Specialty casualty	4,302
Specialty financial	247
Other specialty	377
Total Specialty (excluding foreign reserves)	6,122
Other reserves
Reserves for foreign operations	314
A&E reserves	422
Unallocated LAE	361
Other	56
Total other reserves	1,153
Total reserves, net of reinsurance	7,275
Add back reinsurance recoverables, net of allowance	3,117
Gross unpaid losses and LAE included in the balance sheet	$	10,392

Short-duration insurance contracts, claims development

The following claims development tables and associated disclosures related to short-duration insurance contracts are prepared by sub-segment within the property and casualty insurance business for the most recent 10 accident years. AFG determines its claim counts at the claimant or policy feature level depending on the particular facts and circumstances of the underlying claim. While the methodology is generally consistent within each sub-segment, there are minor differences between and within the sub-segments. The methods used to summarize claim counts have not changed significantly over the time periods reported in the tables below.

Property and transportation
(Dollars in Millions)
	Incurred Claims and Allocated LAE, Net of Reinsurance																				As of December 31, 2020
	For the Years Ended (2011–2019 is Supplementary Information and Unaudited)																				Total IBNR Plus Expected Development on Reported Claims		Cumulative Number of Reported Claims
Accident Year	2011		2012		2013		2014		2015		2016		2017		2018		2019		2020
2011	$	811	$	799	$	813	$	827	$	837	$	850	$	846	$	844	$	843	$	843	$	4	138,334
2012			864		857		871		883		894		890		886		881		879		4		143,151
2013					882		870		872		878		878		877		873		871		7		138,925
2014							844		828		817		820		815		808		804		8		133,182
2015									818		784		779		777		777		772		15		134,875
2016											746		716		714		706		694		25		121,116
2017													889		847		843		823		39		140,549
2018															932		902		886		69		129,891
2019																	1,111		1,058		125		152,304
2020																			1,043		349		109,446
																	Total		$	8,673

	Cumulative Paid Claims and Allocated LAE, Net of Reinsurance
Accident Year	For the Years Ended (2011–2019 is Supplementary Information and Unaudited)
	2011		2012		2013		2014		2015		2016		2017		2018		2019		2020		% (a)
2011	$	365	$	667	$	727	$	771	$	803	$	821	$	829	$	833	$	834	$	835	99.1	%
2012			572		708		772		816		842		856		882		869		872		99.2	%
2013					438		702		760		804		831		847		858		860		98.7	%
2014							329		632		693		744		770		783		789		98.1	%
2015									359		582		667		707		736		744		96.4	%
2016											294		521		577		618		640		92.2	%
2017													379		640		696		735		89.3	%
2018															396		676		738		83.3	%
2019																	527		823		77.8	%
2020																			461		44.2	%
																	Total		$	7,497
							Unpaid losses and LAE — years 2011 through 2020												1,176
			Unpaid losses and LAE — 11th year and prior (excluding unallocated LAE)																20
			Unpaid losses and LAE, net of reinsurance (excluding unallocated LAE)																$	1,196

	Average Annual Percentage Payout of Incurred Claims by Age, Net of Reinsurance (Supplementary Information and Unaudited)
	Year 1		Year 2		Year 3		Year 4		Year 5		Year 6		Year 7		Year 8		Year 9		Year 10
Annual	47.3	%	30.2	%	7.7	%	5.3	%	3.3	%	1.6	%	1.5	%	(0.3	%)	0.2	%	0.1	%
Cumulative	47.3	%	77.5	%	85.2	%	90.5	%	93.8	%	95.4	%	96.9	%	96.6	%	96.8	%	96.9	%

(a)Represents the cumulative percentage paid of incurred claims and allocated LAE (net of reinsurance, as estimated at December 31, 2020).

Specialty casualty
(Dollars in Millions)
	Incurred Claims and Allocated LAE, Net of Reinsurance																				As of December 31, 2020
	For the Years Ended (2011–2019 is Supplementary Information and Unaudited)																				Total IBNR Plus Expected Development on Reported Claims		Cumulative Number of Reported Claims
Accident Year	2011		2012		2013		2014		2015		2016		2017		2018		2019		2020
2011	$	852	$	849	$	839	$	848	$	834	$	828	$	826	$	817	$	810	$	808	$	29	54,961
2012			901		892		885		885		883		877		849		842		833		35		54,752
2013					968		949		945		940		945		926		916		905		53		55,063
2014							1,035		1,008		1,008		1,006		982		967		952		71		56,669
2015									1,081		1,043		1,041		1,042		1,024		1,021		99		57,745
2016											1,131		1,122		1,116		1,101		1,090		164		56,169
2017													1,211		1,221		1,204		1,189		275		56,558
2018															1,277		1,307		1,302		416		58,079
2019																	1,308		1,311		571		56,950
2020																			1,352		844		48,294
																	Total		$	10,763

	Cumulative Paid Claims and Allocated LAE, Net of Reinsurance
Accident Year	For the Years Ended (2011–2019 is Supplementary Information and Unaudited)
	2011		2012		2013		2014		2015		2016		2017		2018		2019		2020		% (a)
2011	$	174	$	383	$	522	$	612	$	662	$	694	$	714	$	731	$	745	$	755	93.4	%
2012			173		385		516		621		684		723		745		761		775		93.0	%
2013					182		396		554		666		729		766		797		820		90.6	%
2014							190		412		574		680		755		801		829		87.1	%
2015									178		411		577		702		792		844		82.7	%
2016											186		418		584		713		806		73.9	%
2017													200		422		612		755		63.5	%
2018															210		475		649		49.8	%
2019																	212		455		34.7	%
2020																			188		13.9	%
																	Total		$	6,876
							Unpaid losses and LAE — years 2011 through 2020												3,887
			Unpaid losses and LAE — 11th year and prior (excluding unallocated LAE)																415
			Unpaid losses and LAE, net of reinsurance (excluding unallocated LAE)																$	4,302

	Average Annual Percentage Payout of Incurred Claims by Age, Net of Reinsurance (Supplementary Information and Unaudited)
	Year 1		Year 2		Year 3		Year 4		Year 5		Year 6		Year 7		Year 8		Year 9		Year 10
Annual	18.0	%	22.2	%	16.0	%	11.9	%	7.7	%	4.5	%	2.9	%	2.2	%	1.7	%	1.2	%
Cumulative	18.0	%	40.2	%	56.2	%	68.1	%	75.8	%	80.3	%	83.2	%	85.4	%	87.1	%	88.3	%

(a)Represents the cumulative percentage paid of incurred claims and allocated LAE (net of reinsurance, as estimated at December 31, 2020).

Specialty financial
(Dollars in Millions)
	Incurred Claims and Allocated LAE, Net of Reinsurance																				As of December 31, 2020
	For the Years Ended (2011–2019 is Supplementary Information and Unaudited)																				Total IBNR Plus Expected Development on Reported Claims		Cumulative Number of Reported Claims
Accident Year	2011		2012		2013		2014		2015		2016		2017		2018		2019		2020
2011	$	138	$	157	$	155	$	153	$	147	$	144	$	143	$	139	$	137	$	137	$	—	16,371
2012			163		163		151		139		137		135		132		127		126		2		21,092
2013					140		145		137		131		127		126		122		122		4		28,475
2014							146		157		156		153		147		142		137		2		29,458
2015									156		160		158		153		145		138		4		37,615
2016											179		184		187		182		174		8		45,125
2017													212		215		212		208		15		48,692
2018															212		217		219		27		46,487
2019																	194		198		37		41,175
2020																			231		115		24,479
																	Total		$	1,690

	Cumulative Paid Claims and Allocated LAE, Net of Reinsurance
Accident Year	For the Years Ended (2011–2019 is Supplementary Information and Unaudited)
	2011		2012		2013		2014		2015		2016		2017		2018		2019		2020		% (a)
2011	$	58	$	111	$	115	$	123	$	130	$	131	$	131	$	132	$	132	$	133	97.1	%
2012			71		104		109		117		121		126		128		126		125		99.2	%
2013					70		100		107		113		117		117		118		118		96.7	%
2014							62		109		125		128		137		139		141		102.9	%
2015									72		110		129		133		132		134		97.1	%
2016											88		141		158		161		163		93.7	%
2017													120		169		186		194		93.3	%
2018															112		163		187		85.4	%
2019																	99		146		73.7	%
2020																			100		43.3	%
																	Total		$	1,441
							Unpaid losses and LAE — years 2011 through 2020												249
			Unpaid losses and LAE — 11th year and prior (excluding unallocated LAE)																(2)
			Unpaid losses and LAE, net of reinsurance (excluding unallocated LAE)																$	247

	Average Annual Percentage Payout of Incurred Claims by Age, Net of Reinsurance (Supplementary Information and Unaudited)
	Year 1		Year 2		Year 3		Year 4		Year 5		Year 6		Year 7		Year 8		Year 9		Year 10
Annual	50.6	%	28.0	%	8.4	%	4.0	%	3.1	%	1.5	%	1.0	%	(0.3	%)	(0.4	%)	0.7	%
Cumulative	50.6	%	78.6	%	87.0	%	91.0	%	94.1	%	95.6	%	96.6	%	96.3	%	95.9	%	96.6	%

(a)Represents the cumulative percentage paid of incurred claims and allocated LAE (net of reinsurance, as estimated at December 31, 2020).

Other specialty
(Dollars in Millions)
	Incurred Claims and Allocated LAE, Net of Reinsurance																				As of December 31, 2020
	For the Years Ended (2011–2019 is Supplementary Information and Unaudited)																				Total IBNR Plus Expected Development on Reported Claims		Cumulative Number of Reported Claims (a)
Accident Year	2011		2012		2013		2014		2015		2016		2017		2018		2019		2020
2011	$	39	$	43	$	42	$	43	$	43	$	44	$	44	$	43	$	42	$	41	$	2	—
2012			42		40		39		40		41		39		39		36		37		2		—
2013					46		47		46		47		50		53		58		58		1		—
2014							58		57		59		59		60		61		64		7		—
2015									59		60		63		66		76		82		7		—
2016											61		61		65		71		76		16		—
2017													63		65		70		81		13		—
2018															86		90		92		40		—
2019																	108		107		64		—
2020																			122		102		—
																	Total		$	760

	Cumulative Paid Claims and Allocated LAE, Net of Reinsurance
Accident Year	For the Years Ended (2011–2019 is Supplementary Information and Unaudited)
	2011		2012		2013		2014		2015		2016		2017		2018		2019		2020		% (b)
2011	$	12	$	20	$	25	$	28	$	34	$	36	$	37	$	38	$	39	$	39	95.1	%
2012			8		17		21		25		28		30		30		32		33		89.2	%
2013					7		16		22		34		37		44		51		53		91.4	%
2014							13		21		30		36		43		50		53		82.8	%
2015									10		26		31		50		62		69		84.1	%
2016											9		19		31		47		53		69.7	%
2017													10		19		30		52		64.2	%
2018															12		23		32		34.8	%
2019																	9		24		22.4	%
2020																			9		7.4	%
																	Total		$	417
							Unpaid losses and LAE — years 2011 through 2020												343
			Unpaid losses and LAE — 11th year and prior (excluding unallocated LAE)																34
			Unpaid losses and LAE, net of reinsurance (excluding unallocated LAE)																$	377

	Average Annual Percentage Payout of Incurred Claims by Age, Net of Reinsurance (Supplementary Information and Unaudited)
	Year 1		Year 2		Year 3		Year 4		Year 5		Year 6		Year 7		Year 8		Year 9		Year 10
Annual	14.8	%	15.7	%	11.6	%	17.1	%	10.2	%	8.4	%	4.8	%	3.8	%	2.6	%	—	%
Cumulative	14.8	%	30.5	%	42.1	%	59.2	%	69.4	%	77.8	%	82.6	%	86.4	%	89.0	%	89.0	%

(a)The amounts shown in Other specialty represent business assumed by AFG’s internal reinsurance program from the operations that make up AFG’s other Specialty property and casualty insurance sub-segments. Accordingly, the liability for incurred claims and allocated LAE represents additional reserves held on claims counted in the tables provided for the other sub-segments (above).

(b)Represents the cumulative percentage paid of incurred claims and allocated LAE (net of reinsurance, as estimated at December 31, 2020).

Total Specialty Group
(Dollars in Millions)
	Incurred Claims and Allocated LAE, Net of Reinsurance																				As of December 31, 2020
	For the Years Ended (2011–2019 is Supplementary Information and Unaudited)																				Total IBNR Plus Expected Development on Reported Claims		Cumulative Number of Reported Claims
Accident Year	2011		2012		2013		2014		2015		2016		2017		2018		2019		2020
2011	$	1,840	$	1,848	$	1,849	$	1,871	$	1,861	$	1,866	$	1,859	$	1,843	$	1,832	$	1,829	$	35	209,666
2012			1,970		1,952		1,946		1,947		1,955		1,941		1,906		1,886		1,875		43		218,995
2013					2,036		2,011		2,000		1,996		2,000		1,982		1,969		1,956		65		222,463
2014							2,083		2,050		2,040		2,038		2,004		1,978		1,957		88		219,309
2015									2,114		2,047		2,041		2,038		2,022		2,013		125		230,235
2016											2,117		2,083		2,082		2,060		2,034		213		222,410
2017													2,375		2,348		2,329		2,301		342		245,799
2018															2,507		2,516		2,499		552		234,457
2019																	2,721		2,674		797		250,429
2020																			2,748		1,410		182,219
																	Total		$	21,886

	Cumulative Paid Claims and Allocated LAE, Net of Reinsurance
Accident Year	For the Years Ended (2011–2019 is Supplementary Information and Unaudited)
	2011		2012		2013		2014		2015		2016		2017		2018		2019		2020		% (a)
2011	$	609	$	1,181	$	1,389	$	1,534	$	1,629	$	1,682	$	1,711	$	1,734	$	1,750	$	1,762	96.3	%
2012			824		1,214		1,418		1,579		1,675		1,735		1,785		1,788		1,805		96.3	%
2013					697		1,214		1,443		1,617		1,714		1,774		1,824		1,851		94.6	%
2014							594		1,174		1,422		1,588		1,705		1,773		1,812		92.6	%
2015									619		1,129		1,404		1,592		1,722		1,791		89.0	%
2016											577		1,099		1,350		1,539		1,662		81.7	%
2017													709		1,250		1,524		1,736		75.4	%
2018															730		1,337		1,606		64.3	%
2019																	847		1,448		54.2	%
2020																			758		27.6	%
																	Total		$	16,231
							Unpaid losses and LAE — years 2011 through 2020												5,655
			Unpaid losses and LAE — 11th year and prior (excluding unallocated LAE)																467
			Unpaid losses and LAE, net of reinsurance (excluding unallocated LAE)																$	6,122

	Average Annual Percentage Payout of Incurred Claims by Age, Net of Reinsurance (Supplementary Information and Unaudited)
	Year 1		Year 2		Year 3		Year 4		Year 5		Year 6		Year 7		Year 8		Year 9		Year 10
Annual	32.2	%	25.5	%	11.9	%	8.8	%	5.6	%	3.2	%	2.2	%	0.9	%	0.9	%	0.7	%
Cumulative	32.2	%	57.7	%	69.6	%	78.4	%	84.0	%	87.2	%	89.4	%	90.3	%	91.2	%	91.9	%

(a)Represents the cumulative percentage paid of incurred claims and allocated LAE (net of reinsurance, as estimated at December 31, 2020).

Short-duration insurance contracts, schedule of historical claims duration

The following claims development tables and associated disclosures related to short-duration insurance contracts are prepared by sub-segment within the property and casualty insurance business for the most recent 10 accident years. AFG determines its claim counts at the claimant or policy feature level depending on the particular facts and circumstances of the underlying claim. While the methodology is generally consistent within each sub-segment, there are minor differences between and within the sub-segments. The methods used to summarize claim counts have not changed significantly over the time periods reported in the tables below.

Property and transportation
(Dollars in Millions)
	Incurred Claims and Allocated LAE, Net of Reinsurance																				As of December 31, 2020
	For the Years Ended (2011–2019 is Supplementary Information and Unaudited)																				Total IBNR Plus Expected Development on Reported Claims		Cumulative Number of Reported Claims
Accident Year	2011		2012		2013		2014		2015		2016		2017		2018		2019		2020
2011	$	811	$	799	$	813	$	827	$	837	$	850	$	846	$	844	$	843	$	843	$	4	138,334
2012			864		857		871		883		894		890		886		881		879		4		143,151
2013					882		870		872		878		878		877		873		871		7		138,925
2014							844		828		817		820		815		808		804		8		133,182
2015									818		784		779		777		777		772		15		134,875
2016											746		716		714		706		694		25		121,116
2017													889		847		843		823		39		140,549
2018															932		902		886		69		129,891
2019																	1,111		1,058		125		152,304
2020																			1,043		349		109,446
																	Total		$	8,673

	Cumulative Paid Claims and Allocated LAE, Net of Reinsurance
Accident Year	For the Years Ended (2011–2019 is Supplementary Information and Unaudited)
	2011		2012		2013		2014		2015		2016		2017		2018		2019		2020		% (a)
2011	$	365	$	667	$	727	$	771	$	803	$	821	$	829	$	833	$	834	$	835	99.1	%
2012			572		708		772		816		842		856		882		869		872		99.2	%
2013					438		702		760		804		831		847		858		860		98.7	%
2014							329		632		693		744		770		783		789		98.1	%
2015									359		582		667		707		736		744		96.4	%
2016											294		521		577		618		640		92.2	%
2017													379		640		696		735		89.3	%
2018															396		676		738		83.3	%
2019																	527		823		77.8	%
2020																			461		44.2	%
																	Total		$	7,497
							Unpaid losses and LAE — years 2011 through 2020												1,176
			Unpaid losses and LAE — 11th year and prior (excluding unallocated LAE)																20
			Unpaid losses and LAE, net of reinsurance (excluding unallocated LAE)																$	1,196

	Average Annual Percentage Payout of Incurred Claims by Age, Net of Reinsurance (Supplementary Information and Unaudited)
	Year 1		Year 2		Year 3		Year 4		Year 5		Year 6		Year 7		Year 8		Year 9		Year 10
Annual	47.3	%	30.2	%	7.7	%	5.3	%	3.3	%	1.6	%	1.5	%	(0.3	%)	0.2	%	0.1	%
Cumulative	47.3	%	77.5	%	85.2	%	90.5	%	93.8	%	95.4	%	96.9	%	96.6	%	96.8	%	96.9	%

(a)Represents the cumulative percentage paid of incurred claims and allocated LAE (net of reinsurance, as estimated at December 31, 2020).

Specialty casualty
(Dollars in Millions)
	Incurred Claims and Allocated LAE, Net of Reinsurance																				As of December 31, 2020
	For the Years Ended (2011–2019 is Supplementary Information and Unaudited)																				Total IBNR Plus Expected Development on Reported Claims		Cumulative Number of Reported Claims
Accident Year	2011		2012		2013		2014		2015		2016		2017		2018		2019		2020
2011	$	852	$	849	$	839	$	848	$	834	$	828	$	826	$	817	$	810	$	808	$	29	54,961
2012			901		892		885		885		883		877		849		842		833		35		54,752
2013					968		949		945		940		945		926		916		905		53		55,063
2014							1,035		1,008		1,008		1,006		982		967		952		71		56,669
2015									1,081		1,043		1,041		1,042		1,024		1,021		99		57,745
2016											1,131		1,122		1,116		1,101		1,090		164		56,169
2017													1,211		1,221		1,204		1,189		275		56,558
2018															1,277		1,307		1,302		416		58,079
2019																	1,308		1,311		571		56,950
2020																			1,352		844		48,294
																	Total		$	10,763

	Cumulative Paid Claims and Allocated LAE, Net of Reinsurance
Accident Year	For the Years Ended (2011–2019 is Supplementary Information and Unaudited)
	2011		2012		2013		2014		2015		2016		2017		2018		2019		2020		% (a)
2011	$	174	$	383	$	522	$	612	$	662	$	694	$	714	$	731	$	745	$	755	93.4	%
2012			173		385		516		621		684		723		745		761		775		93.0	%
2013					182		396		554		666		729		766		797		820		90.6	%
2014							190		412		574		680		755		801		829		87.1	%
2015									178		411		577		702		792		844		82.7	%
2016											186		418		584		713		806		73.9	%
2017													200		422		612		755		63.5	%
2018															210		475		649		49.8	%
2019																	212		455		34.7	%
2020																			188		13.9	%
																	Total		$	6,876
							Unpaid losses and LAE — years 2011 through 2020												3,887
			Unpaid losses and LAE — 11th year and prior (excluding unallocated LAE)																415
			Unpaid losses and LAE, net of reinsurance (excluding unallocated LAE)																$	4,302

	Average Annual Percentage Payout of Incurred Claims by Age, Net of Reinsurance (Supplementary Information and Unaudited)
	Year 1		Year 2		Year 3		Year 4		Year 5		Year 6		Year 7		Year 8		Year 9		Year 10
Annual	18.0	%	22.2	%	16.0	%	11.9	%	7.7	%	4.5	%	2.9	%	2.2	%	1.7	%	1.2	%
Cumulative	18.0	%	40.2	%	56.2	%	68.1	%	75.8	%	80.3	%	83.2	%	85.4	%	87.1	%	88.3	%

(a)Represents the cumulative percentage paid of incurred claims and allocated LAE (net of reinsurance, as estimated at December 31, 2020).

Specialty financial
(Dollars in Millions)
	Incurred Claims and Allocated LAE, Net of Reinsurance																				As of December 31, 2020
	For the Years Ended (2011–2019 is Supplementary Information and Unaudited)																				Total IBNR Plus Expected Development on Reported Claims		Cumulative Number of Reported Claims
Accident Year	2011		2012		2013		2014		2015		2016		2017		2018		2019		2020
2011	$	138	$	157	$	155	$	153	$	147	$	144	$	143	$	139	$	137	$	137	$	—	16,371
2012			163		163		151		139		137		135		132		127		126		2		21,092
2013					140		145		137		131		127		126		122		122		4		28,475
2014							146		157		156		153		147		142		137		2		29,458
2015									156		160		158		153		145		138		4		37,615
2016											179		184		187		182		174		8		45,125
2017													212		215		212		208		15		48,692
2018															212		217		219		27		46,487
2019																	194		198		37		41,175
2020																			231		115		24,479
																	Total		$	1,690

	Cumulative Paid Claims and Allocated LAE, Net of Reinsurance
Accident Year	For the Years Ended (2011–2019 is Supplementary Information and Unaudited)
	2011		2012		2013		2014		2015		2016		2017		2018		2019		2020		% (a)
2011	$	58	$	111	$	115	$	123	$	130	$	131	$	131	$	132	$	132	$	133	97.1	%
2012			71		104		109		117		121		126		128		126		125		99.2	%
2013					70		100		107		113		117		117		118		118		96.7	%
2014							62		109		125		128		137		139		141		102.9	%
2015									72		110		129		133		132		134		97.1	%
2016											88		141		158		161		163		93.7	%
2017													120		169		186		194		93.3	%
2018															112		163		187		85.4	%
2019																	99		146		73.7	%
2020																			100		43.3	%
																	Total		$	1,441
							Unpaid losses and LAE — years 2011 through 2020												249
			Unpaid losses and LAE — 11th year and prior (excluding unallocated LAE)																(2)
			Unpaid losses and LAE, net of reinsurance (excluding unallocated LAE)																$	247

	Average Annual Percentage Payout of Incurred Claims by Age, Net of Reinsurance (Supplementary Information and Unaudited)
	Year 1		Year 2		Year 3		Year 4		Year 5		Year 6		Year 7		Year 8		Year 9		Year 10
Annual	50.6	%	28.0	%	8.4	%	4.0	%	3.1	%	1.5	%	1.0	%	(0.3	%)	(0.4	%)	0.7	%
Cumulative	50.6	%	78.6	%	87.0	%	91.0	%	94.1	%	95.6	%	96.6	%	96.3	%	95.9	%	96.6	%

(a)Represents the cumulative percentage paid of incurred claims and allocated LAE (net of reinsurance, as estimated at December 31, 2020).

Other specialty
(Dollars in Millions)
	Incurred Claims and Allocated LAE, Net of Reinsurance																				As of December 31, 2020
	For the Years Ended (2011–2019 is Supplementary Information and Unaudited)																				Total IBNR Plus Expected Development on Reported Claims		Cumulative Number of Reported Claims (a)
Accident Year	2011		2012		2013		2014		2015		2016		2017		2018		2019		2020
2011	$	39	$	43	$	42	$	43	$	43	$	44	$	44	$	43	$	42	$	41	$	2	—
2012			42		40		39		40		41		39		39		36		37		2		—
2013					46		47		46		47		50		53		58		58		1		—
2014							58		57		59		59		60		61		64		7		—
2015									59		60		63		66		76		82		7		—
2016											61		61		65		71		76		16		—
2017													63		65		70		81		13		—
2018															86		90		92		40		—
2019																	108		107		64		—
2020																			122		102		—
																	Total		$	760

	Cumulative Paid Claims and Allocated LAE, Net of Reinsurance
Accident Year	For the Years Ended (2011–2019 is Supplementary Information and Unaudited)
	2011		2012		2013		2014		2015		2016		2017		2018		2019		2020		% (b)
2011	$	12	$	20	$	25	$	28	$	34	$	36	$	37	$	38	$	39	$	39	95.1	%
2012			8		17		21		25		28		30		30		32		33		89.2	%
2013					7		16		22		34		37		44		51		53		91.4	%
2014							13		21		30		36		43		50		53		82.8	%
2015									10		26		31		50		62		69		84.1	%
2016											9		19		31		47		53		69.7	%
2017													10		19		30		52		64.2	%
2018															12		23		32		34.8	%
2019																	9		24		22.4	%
2020																			9		7.4	%
																	Total		$	417
							Unpaid losses and LAE — years 2011 through 2020												343
			Unpaid losses and LAE — 11th year and prior (excluding unallocated LAE)																34
			Unpaid losses and LAE, net of reinsurance (excluding unallocated LAE)																$	377

	Average Annual Percentage Payout of Incurred Claims by Age, Net of Reinsurance (Supplementary Information and Unaudited)
	Year 1		Year 2		Year 3		Year 4		Year 5		Year 6		Year 7		Year 8		Year 9		Year 10
Annual	14.8	%	15.7	%	11.6	%	17.1	%	10.2	%	8.4	%	4.8	%	3.8	%	2.6	%	—	%
Cumulative	14.8	%	30.5	%	42.1	%	59.2	%	69.4	%	77.8	%	82.6	%	86.4	%	89.0	%	89.0	%

(a)The amounts shown in Other specialty represent business assumed by AFG’s internal reinsurance program from the operations that make up AFG’s other Specialty property and casualty insurance sub-segments. Accordingly, the liability for incurred claims and allocated LAE represents additional reserves held on claims counted in the tables provided for the other sub-segments (above).

(b)Represents the cumulative percentage paid of incurred claims and allocated LAE (net of reinsurance, as estimated at December 31, 2020).

Total Specialty Group
(Dollars in Millions)
	Incurred Claims and Allocated LAE, Net of Reinsurance																				As of December 31, 2020
	For the Years Ended (2011–2019 is Supplementary Information and Unaudited)																				Total IBNR Plus Expected Development on Reported Claims		Cumulative Number of Reported Claims
Accident Year	2011		2012		2013		2014		2015		2016		2017		2018		2019		2020
2011	$	1,840	$	1,848	$	1,849	$	1,871	$	1,861	$	1,866	$	1,859	$	1,843	$	1,832	$	1,829	$	35	209,666
2012			1,970		1,952		1,946		1,947		1,955		1,941		1,906		1,886		1,875		43		218,995
2013					2,036		2,011		2,000		1,996		2,000		1,982		1,969		1,956		65		222,463
2014							2,083		2,050		2,040		2,038		2,004		1,978		1,957		88		219,309
2015									2,114		2,047		2,041		2,038		2,022		2,013		125		230,235
2016											2,117		2,083		2,082		2,060		2,034		213		222,410
2017													2,375		2,348		2,329		2,301		342		245,799
2018															2,507		2,516		2,499		552		234,457
2019																	2,721		2,674		797		250,429
2020																			2,748		1,410		182,219
																	Total		$	21,886

	Cumulative Paid Claims and Allocated LAE, Net of Reinsurance
Accident Year	For the Years Ended (2011–2019 is Supplementary Information and Unaudited)
	2011		2012		2013		2014		2015		2016		2017		2018		2019		2020		% (a)
2011	$	609	$	1,181	$	1,389	$	1,534	$	1,629	$	1,682	$	1,711	$	1,734	$	1,750	$	1,762	96.3	%
2012			824		1,214		1,418		1,579		1,675		1,735		1,785		1,788		1,805		96.3	%
2013					697		1,214		1,443		1,617		1,714		1,774		1,824		1,851		94.6	%
2014							594		1,174		1,422		1,588		1,705		1,773		1,812		92.6	%
2015									619		1,129		1,404		1,592		1,722		1,791		89.0	%
2016											577		1,099		1,350		1,539		1,662		81.7	%
2017													709		1,250		1,524		1,736		75.4	%
2018															730		1,337		1,606		64.3	%
2019																	847		1,448		54.2	%
2020																			758		27.6	%
																	Total		$	16,231
							Unpaid losses and LAE — years 2011 through 2020												5,655
			Unpaid losses and LAE — 11th year and prior (excluding unallocated LAE)																467
			Unpaid losses and LAE, net of reinsurance (excluding unallocated LAE)																$	6,122

	Average Annual Percentage Payout of Incurred Claims by Age, Net of Reinsurance (Supplementary Information and Unaudited)
	Year 1		Year 2		Year 3		Year 4		Year 5		Year 6		Year 7		Year 8		Year 9		Year 10
Annual	32.2	%	25.5	%	11.9	%	8.8	%	5.6	%	3.2	%	2.2	%	0.9	%	0.9	%	0.7	%
Cumulative	32.2	%	57.7	%	69.6	%	78.4	%	84.0	%	87.2	%	89.4	%	90.3	%	91.2	%	91.9	%

(a)Represents the cumulative percentage paid of incurred claims and allocated LAE (net of reinsurance, as estimated at December 31, 2020).

Statutory information

Net earnings and capital and surplus on a statutory basis for the insurance subsidiaries were as follows (in millions):

	Net Earnings						Capital and Surplus
	2020		2019		2018		2020		2019
Property and casualty companies	$	481	$	584	$	546	$	3,643	$	3,342
Life (annuity) insurance companies	209		34		802		2,897		2,868

Reinsurance information

The following table shows (in millions) (i) amounts deducted from property and casualty written and earned premiums in connection with reinsurance ceded, (ii) written and earned premiums included in income for reinsurance assumed and (iii) reinsurance recoveries, which represent ceded losses and loss adjustment expenses.

	2020		2019		2018
Direct premiums written	$	6,862	$	7,044	$	6,626
Reinsurance assumed	225		255		214
Reinsurance ceded	(2,074)		(1,957)		(1,817)
Net written premiums	$	5,013	$	5,342	$	5,023
Direct premiums earned	$	6,846	$	6,848	$	6,472
Reinsurance assumed	237		226		204
Reinsurance ceded	(1,984)		(1,889)		(1,811)
Net earned premiums	$	5,099	$	5,185	$	4,865
Reinsurance recoveries	$	1,522	$	1,404	$	1,249

Reinsurance Recoverable and Premiums Receivable, Allowance for Credit Loss

Progressions of the 2020 allowance for expected credit losses are shown below (in millions):

	Recoverables from Reinsurers								Premiums Receivable
	Property and Casualty		Fixed & Indexed Annuities		Other		Total		Property and Casualty
Balance at January 1	$	18	$	—	$	—	$	18	$	13
Impact of adoption of new accounting policy	(11)		—		5		(6)		(3)
Provision for expected credit losses	—		—		2		2		1
Write-offs charged against the allowance	—		—		—		—		(1)
Businesses disposed	(1)		—		—		(1)		—
Balance at December 31	$	6	$	—	$	7	$	13	$	10

Schedule of reserve liabilities for annuity benefits accumulated

The liabilities included in AFG’s Balance Sheet for these benefits, excluding the impact of unrealized gains on securities, were as follows at December 31 (in millions):

	2020		2019
Expected death and annuitization	$	260	$	232
Guaranteed withdrawal benefits	817		625
Accrued persistency and premium bonuses	—		1

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Subsequent Event (Tables)

12 Months Ended

Dec. 31, 2020

Subsequent Events [Abstract]

Schedule of Subsequent Events

The Annuity subsidiaries to be sold impacted AFG’s Balance Sheet at December 31, 2020 as follows (in millions):

Assets of businesses to be sold:
Cash and cash equivalents	$	1,679
Fixed maturities, available for sale	34,123
Fixed maturities, trading at fair value	42
Equity securities	774
Investments accounted for using the equity method	646
Mortgage loans	1,251
Policy loans	151
Equity index call options	825
Other investments	199
Total cash and investments	39,690
Recoverables from reinsurers	6,804
Agents’ balances and premiums receivable	5
Deferred policy acquisition costs	303
Variable annuity assets (separate accounts)	664
Other assets	968
Total assets	48,434
Liabilities of businesses to be sold:
Annuity benefits accumulated	42,573
Life, accident and health reserves	607
Variable annuity liabilities (separate accounts)	664
Other liabilities	620
Total liabilities	44,464
Reclassify AOCI	(1,071)
Equity of annuity businesses to be sold excluding AOCI	$	2,899

The fair value of the available for sale fixed maturities owned by the Annuity subsidiaries to be sold at December 31, 2020 is detailed below.

US Government and government agencies	$	44
States, municipalities and political subdivisions	3,421
Foreign government	35
Residential mortgage-backed securities	2,140
Commercial mortgage-backed securities	698
Collateralized loan obligations	3,491
Other asset-backed securities	5,176
Corporate and other bonds	19,118
	$	34,123

Results for the Annuity subsidiaries to be sold were (in millions):

	Year ended December 31,
	2020		2019		2018
Net investment income	$	1,670	$	1,774	$	1,618
Realized gains (losses) on securities	364		132		(105)
Other income	126		136		139
Total revenues	2,160		2,042		1,652
Annuity benefits	1,192		1,151		998
Annuity and supplemental insurance acquisition expenses	306		253		260
Other expenses	181		180		177
Total costs and expenses	1,679		1,584		1,435
Earnings before income taxes	481		458		217
Provision for income taxes	97		94		39
Net earnings	$	384	$	364	$	178

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Accounting Policies - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Jan. 01, 2019	Jan. 01, 2018	Dec. 31, 2017
Significant Accounting Policies [Line Items]
Cumulative effect of accounting change	$ (6,789)	$ (6,269)	$ (4,972)			$ (5,331)
Operating lease liability	159	180		$ 198
Operating lease right-of-use asset	139	158		174
Deferred rent and lease incentives	$ 20	$ 22		$ 24
Weighted average common shares adjustment related to stock-based compensation	500,000	1,100,000	1,600,000
Anti-dilutive potential common shares related to stock-based compensation plans	0	0	0
Maturities of short term investments	3 months
AOCI attributable to parent
Significant Accounting Policies [Line Items]
Cumulative effect of accounting change	$ (1,273)	$ (863)	$ (48)			(813)
Retained Earnings
Significant Accounting Policies [Line Items]
Cumulative effect of accounting change	$ (4,149)	(4,009)	$ (3,588)			(3,248)
Cumulative effect, period of adoption, adjustment
Significant Accounting Policies [Line Items]
Cumulative effect of accounting change						(4)
Cumulative effect, period of adoption, adjustment | AOCI attributable to parent
Significant Accounting Policies [Line Items]
Cumulative effect of accounting change		0			$ 221	221
Cumulative effect, period of adoption, adjustment | Retained Earnings
Significant Accounting Policies [Line Items]
Cumulative effect of accounting change		(7)				(225)
Accounting Standards Update 2016-01 | Cumulative effect, period of adoption, adjustment | AOCI attributable to parent
Significant Accounting Policies [Line Items]
Cumulative effect of accounting change						221
Accounting Standards Update 2016-13 | Cumulative effect, period of adoption, adjustment | Retained Earnings
Significant Accounting Policies [Line Items]
Cumulative effect of accounting change		$ (7)
Equity securities
Significant Accounting Policies [Line Items]
Available-for-sale securities, Equity securities						1,600
Limited partnerships and similar investments | Accounting Standards Update 2016-01 | Cumulative effect, period of adoption, adjustment
Significant Accounting Policies [Line Items]
Cumulative effect of accounting change						$ (4)

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Acquisitions and Sale of Businesses - Narrative on acquisitions of subsidiaries (Details) - USD ($) shares in Millions, $ in Millions	1 Months Ended		3 Months Ended	12 Months Ended
	Nov. 30, 2020	Nov. 30, 2018	Dec. 31, 2018	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Jun. 10, 2019
Business Acquisitions [Line Items]
Payments to acquire subsidiaries				$ 3	$ 0	$ 36
Goodwill acquired during period			$ 8			$ 8
Atlas Financial Holdings - Paratransit Business
Business Acquisitions [Line Items]
Gross written premiums eligible for renewal							$ 110
Business acquisition, price as a percent of gross written premiums								15.00%
Payments to acquire subsidiaries	$ 3
Warrant term to acquire shares								5 years
Number of shares able to be acquired with the warrant								2.4
Business acquisition, percentage of entity acquired by warrants								19.90%
ABA Insurance Services
Business Acquisitions [Line Items]
Payments to acquire subsidiaries		$ 30
Contingent consideration term						4 years
Finite-lived intangible assets acquired		25
Finite-lived intangible asset useful life						9 years
Goodwill acquired during period		$ 8
ABA Insurance Services | Maximum
Business Acquisitions [Line Items]
Contingent consideration			$ 3			$ 3
Equity securities | Warrant | Atlas Financial Holdings - Paratransit Business
Business Acquisitions [Line Items]
Fair value of asset on date received								$ 1

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Acquisitions and Sale of Businesses - Narrative on sale of businesses (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Jun. 30, 2020
Sale of Businesses
Proceeds from sale of businesses	$ 3	$ 0	$ 0
Income tax expense (benefit)	127	$ 239	$ 122
Neon Capital Limited
Sale of Businesses
Proceeds from sale of businesses	$ 6
Carrying value of assets and liabilities disposed, percentage of total assets and liabilities	1.00%
Income tax expense (benefit)	$ (72)
Neon Capital Limited Executives | Neon Capital Limited
Sale of Businesses
Percent of noncontrolling interest acquired from former and current Neon executives				100.00%

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Acquisitions and Sale of Businesses - Assets and liabilities disposed (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Sale of Businesses
Cash and investments	$ 52,502	$ 52,502	$ 55,252
Prepaid reinsurance premiums	768	768	678
Agents’ balances and premiums receivable	1,231	1,231	1,335
Other assets	1,626	1,626	1,867
Total assets	73,566	73,566	70,130	$ 63,456
Unpaid losses and loss adjustment expenses	10,392	10,392	10,232	9,741	$ 9,678
Unearned premiums	2,803	2,803	2,830
Payable to reinsurers	807	807	814
Other liabilities	2,197	2,197	2,295
Total liabilities	66,777	66,777	63,861
Realized gains on subsidiaries		23	$ 0	$ 0
Neon Capital Limited
Sale of Businesses
Sale proceeds, net of expenses		3
Cash and investments	453	453
Recoverables from reinsurers	224	224
Prepaid reinsurance premiums	8	8
Agents’ balances and premiums receivable	42	42
Other assets	60	60
Total assets	787	787
Unpaid losses and loss adjustment expenses	640	640
Unearned premiums	49	49
Payable to reinsurers	19	19
Other liabilities	92	92
Total liabilities	800	800
Reclassification from accumulated other comprehensive income		(7)
Net assets of business to be sold	(20)	(20)
Realized gains on subsidiaries	$ 23	$ 23

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Acquisitions and Sale of Businesses - Revenues, costs and expenses, and earnings before income taxes of business disposed (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Sale of Businesses
Net earned premiums									$ 5,099	$ 5,185	$ 4,865
Loss and loss adjustment expenses									3,271	3,271	3,003
Commissions and other underwriting expenses									1,625	1,725	1,583
Net investment income									2,132	2,303	2,094
Net earnings, including noncontrolling interests	$ 694	$ 164	$ 167	$ (304)	$ 191	$ 143	$ 209	$ 326	721	869	517
Neon Capital Limited
Sale of Businesses
Net earned premiums									200	384	306
Loss and loss adjustment expenses									218	225	204
Commissions and other underwriting expenses									117	195	165
Underwriting loss									(135)	(36)	(63)
Net investment income									(5)	6	10
Other income and expenses, net									(5)	(10)	(5)
Net earnings, including noncontrolling interests									$ (145)	$ (40)	$ (58)

XML

Acquisitions and Sale of Businesses - Impact of exited lines on earnings (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Sale of Businesses
Net investment income									$ 2,132	$ 2,303	$ 2,094
Net earnings, including noncontrolling interests	$ 694	$ 164	$ 167	$ (304)	$ 191	$ 143	$ 209	$ 326	721	869	517
Realized gains on subsidiaries									23	0	0
Income tax expense (benefit)									(127)	(239)	(122)
Less: Net loss attributable to noncontrolling interests									11	28	13
Neon Capital Limited
Sale of Businesses
Underwriting loss									(135)	(36)	(63)
Net investment income									(5)	6	10
Other income and expenses, net									(5)	(10)	(5)
Net earnings, including noncontrolling interests									(145)	$ (40)	$ (58)
Realized gains on subsidiaries	$ 23								23
Total pretax loss from Neon exited lines									(122)
Income tax expense (benefit)									72
Less: Net loss attributable to noncontrolling interests									(11)
Net loss from Neon exited lines attributable to shareholders									$ (39)

XML

Acquisitions and Sale of Businesses - Allocation of the purchase price of subsidiary (Details) - USD ($) $ in Millions	1 Months Ended	12 Months Ended
	Nov. 30, 2018	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Business Acquisitions [Line Items]
Total purchase price		$ 3	$ 0	$ 36
Goodwill		$ 207	$ 207	$ 207	$ 199
ABA Insurance Services
Business Acquisitions [Line Items]
Total purchase price	$ 30
Tangible assets acquired	28
Liabilities acquired	26
Net tangible assets acquire, at fair value	2
Excess purchase price over net tangible assets acquired	28
Intangible assets acquired	25
Deferred tax on intangible assets acquired	(5)
Goodwill	$ 8

XML

Segments of Operations - Narrative (Details) $ in Millions	3 Months Ended		12 Months Ended
	Sep. 30, 2020 USD ($)	Sep. 30, 2019 USD ($)	Dec. 31, 2020 USD ($) segment	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)
Segment Reporting Information [Line Items]
Number of segments | segment			3
Percent of total revenue derived from sales of property and casualty insurance outside of the United States			5.00%	7.00%	7.00%
Net earned premiums			$ 5,099	$ 5,185	$ 4,865
Net investment income			2,132	2,303	2,094
Property and casualty insurance
Segment Reporting Information [Line Items]
Net earned premiums			5,099	5,185	4,865
Net investment income			399	472	438
Property and casualty insurance underwriting			224	212	302
Investment and other income, net			360	437	407
Property and casualty insurance | Other lines
Segment Reporting Information [Line Items]
Net earned premiums			200	0	0
Property and casualty insurance underwriting			(202)	(113)	(20)
Special A&E charges	$ 47	$ 18	47	18	18
Other
Segment Reporting Information [Line Items]
Loss on the retirement of debt			5	5
Special charges to increase asbestos and environmental reserves			21	11	9
Run-off long-term care and life
Segment Reporting Information [Line Items]
Loss recognition charge			4
Special A&E charges
Segment Reporting Information [Line Items]
Special A&E charges			47	$ 18	18
Special A&E charges | Property and casualty insurance | Other lines
Segment Reporting Information [Line Items]
Special A&E charges			47		18
Neon Capital Limited
Segment Reporting Information [Line Items]
Net investment income			$ (5)
Neon Capital Limited | Property and casualty insurance | Other lines
Segment Reporting Information [Line Items]
Percent of foreign sales attributable to Neon			50.00%	66.67%
Net earned premiums				$ 384	306
Net investment income			$ (5)
Property and casualty insurance underwriting			(135)	(36)	$ (63)
Special charges related to the exit of certain lines of business within subsidiaries				$ 76
Investment and other income, net			$ (10)

XML

Segments of Operations - Assets by segment (Details) - USD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Segment Reporting Information [Line Items]
Total assets	$ 73,566	$ 70,130	$ 63,456
Property and casualty insurance
Segment Reporting Information [Line Items]
Total assets	19,689	19,098	17,681
Annuity
Segment Reporting Information [Line Items]
Total assets	47,626	45,074	39,952
Other
Segment Reporting Information [Line Items]
Total assets	$ 6,251	$ 5,958	$ 5,823

XML

Segments of Operations - Revenues by segment and sub-segment (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Segment Reporting Information [Line Items]
Net earned premiums									$ 5,099	$ 5,185	$ 4,865
Net investment income									2,132	2,303	2,094
Other income									204	223	223
Revenues before realized gains (losses)									7,597	7,950	7,416
Realized gains (losses) on securities									289	287	(266)
Realized gains on subsidiaries									23	0	0
Total revenues	$ 2,623	$ 2,060	$ 1,951	$ 1,275	$ 2,130	$ 2,123	$ 1,960	$ 2,024	7,909	8,237	7,150
Property and casualty insurance
Segment Reporting Information [Line Items]
Net earned premiums									5,099	5,185	4,865
Net investment income									399	472	438
Other income									8	11	10
Revenues before realized gains (losses)									5,506	5,668	5,313
Annuity
Segment Reporting Information [Line Items]
Net investment income									1,699	1,792	1,638
Other income									131	120	125
Revenues before realized gains (losses)									1,830	1,912	1,763
Other
Segment Reporting Information [Line Items]
Revenues before realized gains (losses)									261	370	340
Property and transportation | Property and casualty insurance
Segment Reporting Information [Line Items]
Net earned premiums									1,871	1,828	1,729
Specialty casualty | Property and casualty insurance
Segment Reporting Information [Line Items]
Net earned premiums									2,235	2,597	2,403
Specialty financial | Property and casualty insurance
Segment Reporting Information [Line Items]
Net earned premiums									613	610	598
Other specialty | Property and casualty insurance
Segment Reporting Information [Line Items]
Net earned premiums									180	150	135
Other lines | Property and casualty insurance
Segment Reporting Information [Line Items]
Net earned premiums									$ 200	$ 0	$ 0

XML

Segments of Operations - Earnings before income taxes by segment and sub-segment (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Segment Reporting Information [Line Items]
Earnings before realized gains (losses) and income taxes	$ 536	$ 821	$ 905
Realized gains (losses) on securities	289	287	(266)
Subsidiaries	23	0	0
Earnings before income taxes	848	1,108	639
Property and casualty insurance
Segment Reporting Information [Line Items]
Property and casualty insurance underwriting	224	212	302
Investment and other income, net	360	437	407
Earnings before realized gains (losses) and income taxes	584	649	709
Annuity
Segment Reporting Information [Line Items]
Earnings before realized gains (losses) and income taxes	171	362	361
Other
Segment Reporting Information [Line Items]
Earnings before realized gains (losses) and income taxes	(219)	(190)	(165)
Property and transportation | Property and casualty insurance
Segment Reporting Information [Line Items]
Property and casualty insurance underwriting	181	79	120
Specialty casualty | Property and casualty insurance
Segment Reporting Information [Line Items]
Property and casualty insurance underwriting	223	175	141
Specialty financial | Property and casualty insurance
Segment Reporting Information [Line Items]
Property and casualty insurance underwriting	50	92	66
Other specialty | Property and casualty insurance
Segment Reporting Information [Line Items]
Property and casualty insurance underwriting	(28)	(21)	(5)
Other lines | Property and casualty insurance
Segment Reporting Information [Line Items]
Property and casualty insurance underwriting	$ (202)	$ (113)	$ (20)

XML

Fair Value Measurements - Narrative (Details) $ in Millions	3 Months Ended	12 Months Ended
	Mar. 31, 2018 USD ($)	Dec. 31, 2020 USD ($) professional	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)
Fair Value Measurements (Textual) [Abstract]
AFG's internal investment professionals | professional		20
Level 3 assets as a percentage of total assets measured at fair value		7.00%
Percentage of level 3 assets that were priced using non-binding broker quotes		40.00%
Level 3 assets that were priced using non-binding broker quotes		$ 1,500
Level three assets that were priced by pricing services.		$ 530
Percentage Of level three assets that were priced by pricing services		14.00%
Percentage of internally developed level three assets compared to total level 3 assets		46.00%
Fair value of equity securities transferred into level 3		$ 620	$ 244	$ 270
Life contingent annuities		1,110	247
Equity securities
Fair Value Measurements (Textual) [Abstract]
Fair value of equity securities transferred into level 3	$ 29	17	56	30
Fixed-indexed and variable-indexed annuities (embedded derivative)
Fair Value Measurements (Textual) [Abstract]
Fair value of derivatives in annuity benefits accumulated measured using a discounted cash flow approach		$ 3,930
Fixed-indexed and variable-indexed annuities (embedded derivative) | Minimum
Fair Value Measurements (Textual) [Abstract]
Unobservable input surrenders used in Level 3 fair value determination		4.00%
Fixed-indexed and variable-indexed annuities (embedded derivative) | Maximum
Fair Value Measurements (Textual) [Abstract]
Unobservable input surrenders used in Level 3 fair value determination		23.00%
Fixed-indexed annuities (embedded derivative), majority of future years | Minimum
Fair Value Measurements (Textual) [Abstract]
Unobservable input surrenders used in Level 3 fair value determination		8.00%
Fixed-indexed annuities (embedded derivative), majority of future years | Maximum
Fair Value Measurements (Textual) [Abstract]
Unobservable input surrenders used in Level 3 fair value determination		11.00%
Not Designated as Hedging Instrument | Annuity benefits | Fixed-indexed and variable-indexed annuities (embedded derivative)
Fair Value Measurements (Textual) [Abstract]
Total realized/unrealized gains (losses) included in net income for the embedded derivatives related to the unlocking of actuarial assumptions		$ 240	$ 181	$ (44)
Level 3
Fair Value Measurements (Textual) [Abstract]
Internally developed level 3 assets		$ 1,680

XML

Fair Value Measurements - Assets and liabilities measured and carried at fair value in the financial statements (Details) - USD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Assets:
Available for sale (AFS) fixed maturities	$ 43,207	$ 46,505
Trading fixed maturities	66	113
Equity securities, at fair value	1,663	1,937
Assets of managed investment entities	73,566	70,130	$ 63,456
Variable annuity assets (separate accounts)	664	628
Derivatives including equity index call options and other assets	825	924
Total assets accounted for at fair value	51,498	54,893
Liabilities:
Liabilities of managed investment entities	66,777	63,861
Total liabilities accounted for at fair value	8,714	8,311
Variable interest entity, primary beneficiary
Assets:
Assets of managed investment entities	4,971	4,736
Liabilities:
Liabilities of managed investment entities	4,771	4,571
Derivatives in annuity benefits accumulated
Liabilities:
Derivatives included in annuity benefits accumulated, long-term debt, and other liabilities	3,933	3,730
Other liabilities — derivatives
Liabilities:
Derivatives included in annuity benefits accumulated, long-term debt, and other liabilities	10	10
Fixed maturities
Assets:
Available for sale (AFS) fixed maturities	43,207	46,505
Trading fixed maturities	66	113
U.S. Government and government agencies
Assets:
Available for sale (AFS) fixed maturities	242	209
States, municipalities and political subdivisions
Assets:
Available for sale (AFS) fixed maturities	5,733	6,963
Foreign government
Assets:
Available for sale (AFS) fixed maturities	211	172
Residential MBS
Assets:
Available for sale (AFS) fixed maturities	3,055	3,160
Commercial MBS
Assets:
Available for sale (AFS) fixed maturities	790	927
Collateralized loan obligations
Assets:
Available for sale (AFS) fixed maturities	4,553	4,280
Other asset-backed securities
Assets:
Available for sale (AFS) fixed maturities	7,223	7,128
Corporate and other
Assets:
Available for sale (AFS) fixed maturities	21,400	23,666
Equity securities
Assets:
Equity securities, at fair value	1,663	1,937
Other assets — derivatives
Assets:
Derivatives including equity index call options and other assets	102	50
Level 1
Assets:
Variable annuity assets (separate accounts)	0	0
Total assets accounted for at fair value	1,558	1,828
Liabilities:
Total liabilities accounted for at fair value	208	206
Level 1 | Variable interest entity, primary beneficiary
Assets:
Assets of managed investment entities	217	213
Liabilities:
Liabilities of managed investment entities	208	206
Level 1 | Derivatives in annuity benefits accumulated
Liabilities:
Derivatives included in annuity benefits accumulated, long-term debt, and other liabilities	0	0
Level 1 | Other liabilities — derivatives
Liabilities:
Derivatives included in annuity benefits accumulated, long-term debt, and other liabilities	0	0
Level 1 | Fixed maturities
Assets:
Available for sale (AFS) fixed maturities	245	180
Trading fixed maturities	0	2
Level 1 | U.S. Government and government agencies
Assets:
Available for sale (AFS) fixed maturities	201	151
Level 1 | States, municipalities and political subdivisions
Assets:
Available for sale (AFS) fixed maturities	0	0
Level 1 | Foreign government
Assets:
Available for sale (AFS) fixed maturities	0	0
Level 1 | Residential MBS
Assets:
Available for sale (AFS) fixed maturities	0	0
Level 1 | Commercial MBS
Assets:
Available for sale (AFS) fixed maturities	0	0
Level 1 | Collateralized loan obligations
Assets:
Available for sale (AFS) fixed maturities	0	0
Level 1 | Other asset-backed securities
Assets:
Available for sale (AFS) fixed maturities	0	0
Level 1 | Corporate and other
Assets:
Available for sale (AFS) fixed maturities	44	29
Level 1 | Equity securities
Assets:
Equity securities, at fair value	1,096	1,433
Level 1 | Other assets — derivatives
Assets:
Derivatives including equity index call options and other assets	0	0
Level 2
Assets:
Variable annuity assets (separate accounts)	664	628
Total assets accounted for at fair value	46,234	49,224
Liabilities:
Total liabilities accounted for at fair value	4,553	4,359
Level 2 | Variable interest entity, primary beneficiary
Assets:
Assets of managed investment entities	4,733	4,506
Liabilities:
Liabilities of managed investment entities	4,543	4,349
Level 2 | Derivatives in annuity benefits accumulated
Liabilities:
Derivatives included in annuity benefits accumulated, long-term debt, and other liabilities	0	0
Level 2 | Other liabilities — derivatives
Liabilities:
Derivatives included in annuity benefits accumulated, long-term debt, and other liabilities	10	10
Level 2 | Fixed maturities
Assets:
Available for sale (AFS) fixed maturities	39,746	42,938
Trading fixed maturities	66	111
Level 2 | U.S. Government and government agencies
Assets:
Available for sale (AFS) fixed maturities	26	43
Level 2 | States, municipalities and political subdivisions
Assets:
Available for sale (AFS) fixed maturities	5,630	6,858
Level 2 | Foreign government
Assets:
Available for sale (AFS) fixed maturities	211	172
Level 2 | Residential MBS
Assets:
Available for sale (AFS) fixed maturities	2,890	2,987
Level 2 | Commercial MBS
Assets:
Available for sale (AFS) fixed maturities	777	892
Level 2 | Collateralized loan obligations
Assets:
Available for sale (AFS) fixed maturities	4,489	4,265
Level 2 | Other asset-backed securities
Assets:
Available for sale (AFS) fixed maturities	5,850	5,842
Level 2 | Corporate and other
Assets:
Available for sale (AFS) fixed maturities	19,873	21,879
Level 2 | Equity securities
Assets:
Equity securities, at fair value	98	67
Level 2 | Other assets — derivatives
Assets:
Derivatives including equity index call options and other assets	102	50
Level 3
Assets:
Variable annuity assets (separate accounts)	0	0
Total assets accounted for at fair value	3,706	3,841
Liabilities:
Total liabilities accounted for at fair value	3,953	3,746
Level 3 | Variable interest entity, primary beneficiary
Assets:
Assets of managed investment entities	21	17
Liabilities:
Liabilities of managed investment entities	20	16
Level 3 | Derivatives in annuity benefits accumulated
Liabilities:
Derivatives included in annuity benefits accumulated, long-term debt, and other liabilities	3,933	3,730
Level 3 | Other liabilities — derivatives
Liabilities:
Derivatives included in annuity benefits accumulated, long-term debt, and other liabilities	0	0
Level 3 | Fixed maturities
Assets:
Available for sale (AFS) fixed maturities	3,216	3,387
Trading fixed maturities	0	0
Level 3 | U.S. Government and government agencies
Assets:
Available for sale (AFS) fixed maturities	15	15
Level 3 | States, municipalities and political subdivisions
Assets:
Available for sale (AFS) fixed maturities	103	105
Level 3 | Foreign government
Assets:
Available for sale (AFS) fixed maturities	0	0
Level 3 | Residential MBS
Assets:
Available for sale (AFS) fixed maturities	165	173
Level 3 | Commercial MBS
Assets:
Available for sale (AFS) fixed maturities	13	35
Level 3 | Collateralized loan obligations
Assets:
Available for sale (AFS) fixed maturities	64	15
Level 3 | Other asset-backed securities
Assets:
Available for sale (AFS) fixed maturities	1,373	1,286
Level 3 | Corporate and other
Assets:
Available for sale (AFS) fixed maturities	1,483	1,758
Level 3 | Equity securities
Assets:
Equity securities, at fair value	469	437
Level 3 | Other assets — derivatives
Assets:
Derivatives including equity index call options and other assets	0	0
Equity index call options | Equity index call options
Assets:
Derivatives including equity index call options and other assets	825	924
Equity index call options | Level 1 | Equity index call options
Assets:
Derivatives including equity index call options and other assets	0	0
Equity index call options | Level 2 | Equity index call options
Assets:
Derivatives including equity index call options and other assets	825	924
Equity index call options | Level 3 | Equity index call options
Assets:
Derivatives including equity index call options and other assets	$ 0	$ 0

XML

Fair Value Measurements - Unobservable inputs used in determining fair value of embedded derivatives (Details) - Embedded derivatives	12 Months Ended
	Dec. 31, 2020
Unobservable inputs used by management in determining fair value of embedded derivatives
Risk margin for uncertainty in cash flows	0.99%
Minimum
Unobservable inputs used by management in determining fair value of embedded derivatives
Fair Value Input Adjustment for Insurance Subsidiary’s Credit Risk	0.20%
Surrenders	4.00%
Partial surrenders	2.00%
Annuitizations	0.10%
Deaths	1.70%
Budgeted option costs	2.20%
Maximum
Unobservable inputs used by management in determining fair value of embedded derivatives
Fair Value Input Adjustment for Insurance Subsidiary’s Credit Risk	2.20%
Surrenders	23.00%
Partial surrenders	11.00%
Annuitizations	1.00%
Deaths	13.90%
Budgeted option costs	2.90%

XML

Fair Value Measurements - Changes in balances of Level 3 financial assets carried at fair value (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Mar. 31, 2018	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]
Financial assets, Beginning Balance	$ 2,290	$ 3,841	$ 3,521	$ 2,290
Total realized/unrealized gains (losses) included in Net earnings		(42)	(10)	(21)
Total realized/unrealized gains (losses) included in other comprehensive income (loss)		69	75	(39)
Purchases and issuances		781	1,578	1,828
Sales and settlements		(606)	(565)	(482)
Transfer into Level 3		620	244	270
Transfer out of Level 3		(957)	(1,002)	(325)
Financial assets, Ending Balance		3,706	3,841	3,521
Fixed maturities
Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]
Financial assets, Beginning Balance	2,102	3,387	3,164	2,102
Total realized/unrealized gains (losses) included in Net earnings		(23)	0	(22)
Total realized/unrealized gains (losses) included in other comprehensive income (loss)		69	75	(39)
Purchases and issuances		706	1,525	1,667
Sales and settlements		(587)	(563)	(476)
Transfer into Level 3		595	188	240
Transfer out of Level 3		(931)	(1,002)	(308)
Financial assets, Ending Balance		3,216	3,387	3,164
U.S. government agency
Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]
Financial assets, Beginning Balance	8	15	9	8
Total realized/unrealized gains (losses) included in Net earnings		4	0	0
Total realized/unrealized gains (losses) included in other comprehensive income (loss)		(4)	7	0
Purchases and issuances		0	0	0
Sales and settlements		0	(1)	0
Transfer into Level 3		0	0	1
Transfer out of Level 3		0	0	0
Financial assets, Ending Balance		15	15	9
State and municipal
Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]
Financial assets, Beginning Balance	148	105	59	148
Total realized/unrealized gains (losses) included in Net earnings		0	0	0
Total realized/unrealized gains (losses) included in other comprehensive income (loss)		5	5	(2)
Purchases and issuances		0	0	0
Sales and settlements		(5)	(3)	(3)
Transfer into Level 3		0	55	0
Transfer out of Level 3		(2)	(11)	(84)
Financial assets, Ending Balance		103	105	59
Residential MBS
Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]
Financial assets, Beginning Balance	122	173	197	122
Total realized/unrealized gains (losses) included in Net earnings		(7)	6	(9)
Total realized/unrealized gains (losses) included in other comprehensive income (loss)		(8)	(3)	(4)
Purchases and issuances		0	0	0
Sales and settlements		(19)	(20)	(21)
Transfer into Level 3		58	48	130
Transfer out of Level 3		(32)	(55)	(21)
Financial assets, Ending Balance		165	173	197
Commercial MBS
Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]
Financial assets, Beginning Balance	36	35	56	36
Total realized/unrealized gains (losses) included in Net earnings		0	2	0
Total realized/unrealized gains (losses) included in other comprehensive income (loss)		1	0	0
Purchases and issuances		0	0	20
Sales and settlements		(3)	(12)	0
Transfer into Level 3		2	4	0
Transfer out of Level 3		(22)	(15)	0
Financial assets, Ending Balance		13	35	56
Collateralized loan obligations
Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]
Financial assets, Beginning Balance	200	15	116	200
Total realized/unrealized gains (losses) included in Net earnings		(5)	(5)	(3)
Total realized/unrealized gains (losses) included in other comprehensive income (loss)		22	5	(13)
Purchases and issuances		0	0	35
Sales and settlements		0	0	(20)
Transfer into Level 3		187	28	3
Transfer out of Level 3		(155)	(129)	(86)
Financial assets, Ending Balance		64	15	116
Other asset-backed securities
Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]
Financial assets, Beginning Balance	544	1,286	731	544
Total realized/unrealized gains (losses) included in Net earnings		(17)	0	0
Total realized/unrealized gains (losses) included in other comprehensive income (loss)		20	6	(2)
Purchases and issuances		423	787	391
Sales and settlements		(375)	(192)	(228)
Transfer into Level 3		215	23	79
Transfer out of Level 3		(179)	(69)	(53)
Financial assets, Ending Balance		1,373	1,286	731
Corporate and other
Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]
Financial assets, Beginning Balance	1,044	1,758	1,996	1,044
Total realized/unrealized gains (losses) included in Net earnings		2	(3)	(10)
Total realized/unrealized gains (losses) included in other comprehensive income (loss)		33	55	(18)
Purchases and issuances		283	738	1,221
Sales and settlements		(185)	(335)	(204)
Transfer into Level 3		133	30	27
Transfer out of Level 3		(541)	(723)	(64)
Financial assets, Ending Balance		1,483	1,758	1,996
Equity securities
Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]
Financial assets, Beginning Balance	165	437	336	165
Total realized/unrealized gains (losses) included in Net earnings		(13)	(5)	9
Total realized/unrealized gains (losses) included in other comprehensive income (loss)		0	0	0
Purchases and issuances		73	52	155
Sales and settlements		(19)	(2)	(6)
Transfer into Level 3	29	17	56	30
Transfer out of Level 3		(26)	0	(17)
Financial assets, Ending Balance		469	437	336
Assets of MIE
Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]
Financial assets, Beginning Balance	$ 23	17	21	23
Total realized/unrealized gains (losses) included in Net earnings		(6)	(5)	(8)
Total realized/unrealized gains (losses) included in other comprehensive income (loss)		0	0	0
Purchases and issuances		2	1	6
Sales and settlements		0	0	0
Transfer into Level 3		8	0	0
Transfer out of Level 3		0	0	0
Financial assets, Ending Balance		$ 21	$ 17	$ 21

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Fair Value Measurements - Changes in balances of Level 3 financial liabilities carried at fair value (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Financial liabilities, Beginning Balance	$ (3,730)	$ (2,720)	$ (2,542)
Total realized/unrealized gains (losses) included in Net earnings	(283)	(919)	204
Total realized/unrealized gains (losses) included in other comprehensive income (loss)	0	0	0
Purchases and issuances	(242)	(333)	(545)
Sales and settlements	322	242	163
Transfer into Level 3	0	0	0
Transfer out of Level 3	0	0	0
Financial liabilities, Ending Balance	(3,933)	(3,730)	(2,720)
Embedded derivatives
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Financial liabilities, Beginning Balance	(3,730)	(2,720)	(2,542)
Total realized/unrealized gains (losses) included in Net earnings	(283)	(919)	204
Total realized/unrealized gains (losses) included in other comprehensive income (loss)	0	0	0
Purchases and issuances	(242)	(333)	(545)
Sales and settlements	322	242	163
Transfer into Level 3	0	0	0
Transfer out of Level 3	0	0	0
Financial liabilities, Ending Balance	$ (3,933)	$ (3,730)	$ (2,720)

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Fair Value Measurements - The carrying value and fair value of financial instruments (Details) - USD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019
Financial assets:
Mortgage loans	$ 1,623	$ 1,329
Policy loans	151	164
Financial liabilities:
Long-term debt	1,963	1,473
Level 1
Financial assets:
Cash and cash equivalents	2,810	2,314
Mortgage loans	0	0
Policy loans	0	0
Total financial assets not accounted for at fair value	2,810	2,314
Financial liabilities:
Annuity benefits accumulated	0	0
Long-term debt	0	0
Total financial liabilities not accounted for at fair value	0	0
Level 2
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	0	0
Long-term debt	2,322	1,619
Total financial liabilities not accounted for at fair value	2,322	1,619
Level 3
Financial assets:
Cash and cash equivalents	0	0
Mortgage loans	1,652	1,346
Policy loans	151	164
Total financial assets not accounted for at fair value	1,803	1,510
Financial liabilities:
Annuity benefits accumulated	43,081	40,182
Long-term debt	3	3
Total financial liabilities not accounted for at fair value	43,084	40,185
Carrying Value
Financial assets:
Cash and cash equivalents	2,810	2,314
Mortgage loans	1,623	1,329
Policy loans	151	164
Total financial assets not accounted for at fair value	4,584	3,807
Financial liabilities:
Annuity benefits accumulated	41,460	40,159
Long-term debt	1,963	1,473
Total financial liabilities not accounted for at fair value	43,423	41,632
Fair Value
Financial assets:
Cash and cash equivalents	2,810	2,314
Mortgage loans	1,652	1,346
Policy loans	151	164
Total financial assets not accounted for at fair value	4,613	3,824
Financial liabilities:
Annuity benefits accumulated	43,081	40,182
Long-term debt	2,325	1,622
Total financial liabilities not accounted for at fair value	$ 45,406	$ 41,804

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Investments - Narrative (Details) $ in Millions	3 Months Ended	12 Months Ended
	Mar. 31, 2020 USD ($)	Dec. 31, 2020 USD ($) security	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)
Schedule of Investments [Line Items]
Percentage (based on unrealized loss) of available for sale fixed maturities that are in unrealized loss position and rated investment grade		76.00%
Percentage (based on fair value) of available for sale fixed maturities that are in unrealized loss position and rated investment grade		88.00%
Net investment income		$ 2,132	$ 2,303	$ 2,094
Annuity
Schedule of Investments [Line Items]
Net investment income		1,699	1,792	1,638
Neon Capital Limited
Schedule of Investments [Line Items]
Net investment income		(5)
Neon Capital Limited | Accounting Standards Update 2016-01 | Equity securities
Schedule of Investments [Line Items]
Net investment income	$ (7)
Residential MBS
Schedule of Investments [Line Items]
Fixed maturities, Available for sale, Gross Unrealized, Losses		$ (5)	(5)
Number of securities purchased with credit deterioration | security		2
Aggregate par value of securities purchased with credit deterioration, at time of purchase		$ 8
Aggregate purchase price of securities purchased with credit deterioration, at time of purchase		6
Initial discount for purchased securities with credit deterioration		1
Initial allowance for purchased securities with credit deterioration		1
Fixed maturities
Schedule of Investments [Line Items]
Fixed maturities, Available for sale, Gross Unrealized, Losses		$ (118)	(88)
Number of fixed maturities in an unrealized loss position | security		620
Realized before impairments		$ 468	26	6
Fixed maturities | Annuity
Schedule of Investments [Line Items]
Realized before impairments		415
Equity securities
Schedule of Investments [Line Items]
Realized before impairments		$ (96)	$ 277	$ (265)

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Investments - Available for sale fixed maturities (Details) - USD ($) $ in Millions	Dec. 31, 2020	Jan. 01, 2020	Dec. 31, 2019
Debt Securities, Available-for-sale [Line Items]
Fixed maturities, Available for sale, Amortized Cost	$ 40,408		$ 44,524
Fixed maturities, available for sale, allowance for expected credit losses	40		0
Available for sale (AFS) fixed maturities	43,207		46,505
Total fixed maturities
Debt Securities, Available-for-sale [Line Items]
Fixed maturities, Available for sale, Amortized Cost	40,408		44,524
Fixed maturities, available for sale, allowance for expected credit losses	40		0
Fixed maturities, Available for sale, Gross Unrealized, Gains	2,957		2,069
Fixed maturities, Available for sale, Gross Unrealized, Losses	(118)		(88)
Available for sale (AFS) fixed maturities	43,207		46,505
Total fixed maturities | Debt Securities
Debt Securities, Available-for-sale [Line Items]
Available-for-sale Securities, Accumulated Gross Unrealized Gain (Loss), before Tax	2,839		1,981
U.S. Government and government agencies
Debt Securities, Available-for-sale [Line Items]
Fixed maturities, Available for sale, Amortized Cost	231		199
Fixed maturities, available for sale, allowance for expected credit losses	0		0
Fixed maturities, Available for sale, Gross Unrealized, Gains	11		10
Fixed maturities, Available for sale, Gross Unrealized, Losses	0		0
Available for sale (AFS) fixed maturities	242		209
U.S. Government and government agencies | Debt Securities
Debt Securities, Available-for-sale [Line Items]
Available-for-sale Securities, Accumulated Gross Unrealized Gain (Loss), before Tax	11		10
States, municipalities and political subdivisions
Debt Securities, Available-for-sale [Line Items]
Fixed maturities, Available for sale, Amortized Cost	5,249		6,604
Fixed maturities, available for sale, allowance for expected credit losses	0		0
Fixed maturities, Available for sale, Gross Unrealized, Gains	486		363
Fixed maturities, Available for sale, Gross Unrealized, Losses	(2)		(4)
Available for sale (AFS) fixed maturities	5,733		6,963
States, municipalities and political subdivisions | Debt Securities
Debt Securities, Available-for-sale [Line Items]
Available-for-sale Securities, Accumulated Gross Unrealized Gain (Loss), before Tax	484		359
Foreign government
Debt Securities, Available-for-sale [Line Items]
Fixed maturities, Available for sale, Amortized Cost	203		170
Fixed maturities, available for sale, allowance for expected credit losses	0		0
Fixed maturities, Available for sale, Gross Unrealized, Gains	8		3
Fixed maturities, Available for sale, Gross Unrealized, Losses	0		(1)
Available for sale (AFS) fixed maturities	211		172
Foreign government | Debt Securities
Debt Securities, Available-for-sale [Line Items]
Available-for-sale Securities, Accumulated Gross Unrealized Gain (Loss), before Tax	8		2
Residential MBS
Debt Securities, Available-for-sale [Line Items]
Fixed maturities, Available for sale, Amortized Cost	2,812		2,900
Fixed maturities, available for sale, allowance for expected credit losses	3		0
Fixed maturities, Available for sale, Gross Unrealized, Gains	251		265
Fixed maturities, Available for sale, Gross Unrealized, Losses	(5)		(5)
Available for sale (AFS) fixed maturities	3,055		3,160
Residential MBS | Debt Securities
Debt Securities, Available-for-sale [Line Items]
Available-for-sale Securities, Accumulated Gross Unrealized Gain (Loss), before Tax	246		260
Commercial MBS
Debt Securities, Available-for-sale [Line Items]
Fixed maturities, Available for sale, Amortized Cost	748		896
Fixed maturities, available for sale, allowance for expected credit losses	0		0
Fixed maturities, Available for sale, Gross Unrealized, Gains	43		31
Fixed maturities, Available for sale, Gross Unrealized, Losses	(1)		0
Available for sale (AFS) fixed maturities	790		927
Commercial MBS | Debt Securities
Debt Securities, Available-for-sale [Line Items]
Available-for-sale Securities, Accumulated Gross Unrealized Gain (Loss), before Tax	42		31
Collateralized loan obligations
Debt Securities, Available-for-sale [Line Items]
Fixed maturities, Available for sale, Amortized Cost	4,556		4,307
Fixed maturities, available for sale, allowance for expected credit losses	13		0
Fixed maturities, Available for sale, Gross Unrealized, Gains	27		10
Fixed maturities, Available for sale, Gross Unrealized, Losses	(17)		(37)
Collateralized loan obligations | Managed by third parties
Debt Securities, Available-for-sale [Line Items]
Available for sale (AFS) fixed maturities	4,553		4,280
Collateralized loan obligations | Debt Securities
Debt Securities, Available-for-sale [Line Items]
Available-for-sale Securities, Accumulated Gross Unrealized Gain (Loss), before Tax	10		(27)
Other asset-backed securities
Debt Securities, Available-for-sale [Line Items]
Fixed maturities, Available for sale, Amortized Cost	7,138		6,992
Fixed maturities, available for sale, allowance for expected credit losses	18		0
Fixed maturities, Available for sale, Gross Unrealized, Gains	169		156
Fixed maturities, Available for sale, Gross Unrealized, Losses	(66)		(20)
Available for sale (AFS) fixed maturities	7,223		7,128
Other asset-backed securities | Debt Securities
Debt Securities, Available-for-sale [Line Items]
Available-for-sale Securities, Accumulated Gross Unrealized Gain (Loss), before Tax	103		136
Corporate and other
Debt Securities, Available-for-sale [Line Items]
Fixed maturities, Available for sale, Amortized Cost	19,471		22,456
Fixed maturities, available for sale, allowance for expected credit losses	6	$ 0	0
Fixed maturities, Available for sale, Gross Unrealized, Gains	1,962		1,231
Fixed maturities, Available for sale, Gross Unrealized, Losses	(27)		(21)
Available for sale (AFS) fixed maturities	21,400		23,666
Corporate and other | Debt Securities
Debt Securities, Available-for-sale [Line Items]
Available-for-sale Securities, Accumulated Gross Unrealized Gain (Loss), before Tax	$ 1,935		$ 1,210

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Investments - Equity securities reported at fair value (Details) - USD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019
Debt and Equity Securities, FV-NI [Line Items]
Equity securities	$ 1,663	$ 1,937
Common stocks
Debt and Equity Securities, FV-NI [Line Items]
Equity securities, at cost	939	1,164
Equity securities	922	1,283
Equity securities, fair value in excess of cost	(17)	119
Perpetual preferred stocks
Debt and Equity Securities, FV-NI [Line Items]
Equity securities, at cost	702	640
Equity securities	741	654
Equity securities, fair value in excess of cost	39	14
Equity securities
Debt and Equity Securities, FV-NI [Line Items]
Equity securities, at cost	1,641	1,804
Equity securities	1,663	1,937
Equity securities, fair value in excess of cost	$ 22	$ 133

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Investments - Gross unrealized losses on securities by investment category and length of time that have been in a continuous unrealized loss position (Details) - USD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019
Fixed maturities
Available-for-sale securities in a continuous unrealized loss position
Unrealized Loss - Less than twelve months	$ (77)	$ (44)
Fair Value - Less than twelve months	$ 3,367	$ 4,461
Fair Value as % of Cost - Less than twelve months	98.00%	99.00%
Unrealized Loss - Twelve months or more	$ (41)	$ (44)
Fair Value - Twelve months or more	$ 2,161	$ 2,224
Fair Value as % of Cost - Twelve months or more	98.00%	98.00%
U.S. Government and government agencies
Available-for-sale securities in a continuous unrealized loss position
Unrealized Loss - Less than twelve months	$ 0	$ 0
Fair Value - Less than twelve months	$ 23	$ 16
Fair Value as % of Cost - Less than twelve months	100.00%	100.00%
Unrealized Loss - Twelve months or more	$ 0	$ 0
Fair Value - Twelve months or more	$ 0	$ 11
Fair Value as % of Cost - Twelve months or more	0.00%	100.00%
States, municipalities and political subdivisions
Available-for-sale securities in a continuous unrealized loss position
Unrealized Loss - Less than twelve months	$ (2)	$ (3)
Fair Value - Less than twelve months	$ 117	$ 254
Fair Value as % of Cost - Less than twelve months	98.00%	99.00%
Unrealized Loss - Twelve months or more	$ 0	$ (1)
Fair Value - Twelve months or more	$ 11	$ 82
Fair Value as % of Cost - Twelve months or more	100.00%	99.00%
Foreign government
Available-for-sale securities in a continuous unrealized loss position
Unrealized Loss - Less than twelve months	$ 0	$ (1)
Fair Value - Less than twelve months	$ 7	$ 70
Fair Value as % of Cost - Less than twelve months	100.00%	99.00%
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%
Residential MBS
Available-for-sale securities in a continuous unrealized loss position
Unrealized Loss - Less than twelve months	$ (4)	$ (4)
Fair Value - Less than twelve months	$ 210	$ 509
Fair Value as % of Cost - Less than twelve months	98.00%	99.00%
Unrealized Loss - Twelve months or more	$ (1)	$ (1)
Fair Value - Twelve months or more	$ 30	$ 69
Fair Value as % of Cost - Twelve months or more	97.00%	99.00%
Commercial MBS
Available-for-sale securities in a continuous unrealized loss position
Unrealized Loss - Less than twelve months	$ (1)	$ 0
Fair Value - Less than twelve months	$ 39	$ 17
Fair Value as % of Cost - Less than twelve months	98.00%	100.00%
Unrealized Loss - Twelve months or more	$ 0	$ 0
Fair Value - Twelve months or more	$ 9	$ 0
Fair Value as % of Cost - Twelve months or more	100.00%	0.00%
Collateralized loan obligations
Available-for-sale securities in a continuous unrealized loss position
Unrealized Loss - Less than twelve months	$ (3)	$ (11)
Fair Value - Less than twelve months	$ 673	$ 1,284
Fair Value as % of Cost - Less than twelve months	100.00%	99.00%
Unrealized Loss - Twelve months or more	$ (14)	$ (26)
Fair Value - Twelve months or more	$ 1,599	$ 1,728
Fair Value as % of Cost - Twelve months or more	99.00%	99.00%
Other asset-backed securities
Available-for-sale securities in a continuous unrealized loss position
Unrealized Loss - Less than twelve months	$ (45)	$ (12)
Fair Value - Less than twelve months	$ 1,440	$ 1,211
Fair Value as % of Cost - Less than twelve months	97.00%	99.00%
Unrealized Loss - Twelve months or more	$ (21)	$ (8)
Fair Value - Twelve months or more	$ 388	$ 123
Fair Value as % of Cost - Twelve months or more	95.00%	94.00%
Corporate and other
Available-for-sale securities in a continuous unrealized loss position
Unrealized Loss - Less than twelve months	$ (22)	$ (13)
Fair Value - Less than twelve months	$ 858	$ 1,100
Fair Value as % of Cost - Less than twelve months	98.00%	99.00%
Unrealized Loss - Twelve months or more	$ (5)	$ (8)
Fair Value - Twelve months or more	$ 124	$ 211
Fair Value as % of Cost - Twelve months or more	96.00%	96.00%

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Investments - Allowance for credit losses on fixed maturities (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Jan. 01, 2020
Allowance for Credit Losses [Roll Forward]
Beginning balance	$ 0
Impact of adoption of new accounting policy	0
Initial allowance for purchased securities with credit deterioration	1
Provision for expected credit losses on securities with no previous allowance	68
Additions (reductions) to previously recognized expected credit losses	(22)
Reductions due to sales or redemptions	7
Ending balance	40
Structured securities
Allowance for Credit Losses [Roll Forward]
Beginning balance	0
Impact of adoption of new accounting policy	34	$ 0
Initial allowance for purchased securities with credit deterioration	1
Provision for expected credit losses on securities with no previous allowance	40
Additions (reductions) to previously recognized expected credit losses	(6)
Reductions due to sales or redemptions	1
Ending balance	34
Corporate and other
Allowance for Credit Losses [Roll Forward]
Beginning balance	0
Impact of adoption of new accounting policy	0	0
Initial allowance for purchased securities with credit deterioration	0
Provision for expected credit losses on securities with no previous allowance	28
Additions (reductions) to previously recognized expected credit losses	(16)
Reductions due to sales or redemptions	6
Ending balance	$ 6
Accounting Standards Update 2016-13
Allowance for Credit Losses [Roll Forward]
Impact of adoption of new accounting policy		$ 0

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Investments - Scheduled maturities of available for sale fixed maturities (Details) $ in Millions	12 Months Ended
	Dec. 31, 2020 USD ($)
Fair Value Percent, Fiscal Year Maturity [Abstract]
Average life of CLOs and Other ABS	3 years 6 months
Average life of MBS	3 years 6 months
Fixed maturities
Amortized Cost Basis, Fiscal Year Maturity [Abstract]
One year or less	$ 2,735
After one year through five years	10,344
After five years through ten years	9,298
After ten years	2,771
Fixed maturities amortized cost, Subtotal	25,148
Collateralized loan obligations and other ABS (average life of approximately 3-1/2 years)	11,663
MBS (average life of approximately 3-1/2 years)	3,557
Amortized Cost	40,368
Fair Value, Fiscal Year Maturity [Abstract]
One year or less	2,762
After one year through five years	11,149
After five years through ten years	10,570
After ten years	3,105
Fixed maturities fair value, Subtotal	27,586
Collateralized loan obligations and other ABS (average life of approximately 3-1/2 years)	11,776
MBS (average life of approximately 3-1/2 years)	3,845
Fair Value	$ 43,207
Fair Value Percent, Fiscal Year Maturity [Abstract]
One year or less	6.00%
After one year through five years	26.00%
After five years through ten years	25.00%
After ten years	7.00%
Fixed maturities fair value, Subtotal, Percent	64.00%
Collateralized loan obligations and other ABS (average life of approximately 3-1/2 years)	27.00%
MBS (average life of approximately 3-1/2 years)	9.00%
Fair value, Total, Percent	100.00%

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Investments - Components of the net unrealized gain on securities that is included in AOCI in the Balance Sheet (Details) - USD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019
Unrealized gain on:
Pretax	$ 1,589	$ 1,091
Deferred Tax	(334)	(229)
Net	1,255	862
Total fixed maturities
Unrealized gain on:
Pretax	2,839	1,981
Deferred Tax	(596)	(416)
Net	2,243	1,565
Fixed maturities — annuity segment
Unrealized gain on:
Pretax	2,323	1,611
Deferred Tax	(488)	(338)
Net	1,835	1,273
Fixed maturities — all other
Unrealized gain on:
Pretax	516	370
Deferred Tax	(108)	(78)
Net	408	292
Deferred policy acquisition costs — annuity segment
Unrealized gain on:
Pretax	(934)	(681)
Deferred Tax	196	143
Net	(738)	(538)
Annuity benefits accumulated
Unrealized gain on:
Pretax	(324)	(219)
Deferred Tax	68	46
Net	(256)	(173)
Life, accident and health reserves
Unrealized gain on:
Pretax	(3)	(1)
Deferred Tax	0	0
Net	(3)	(1)
Unearned revenue
Unrealized gain on:
Pretax	11	11
Deferred Tax	(2)	(2)
Net	$ 9	$ 9

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Investments - Schedule of sources of net investment income (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Net Investment Income [Line Items]
Gross investment income	$ 2,161	$ 2,325	$ 2,116
Investment expenses	(29)	(22)	(22)
Net investment income	2,132	2,303	2,094
Fixed maturities
Net Investment Income [Line Items]
Gross investment income	1,880	1,915	1,742
Equity in earnings of partnerships and similar investments
Net Investment Income [Line Items]
Gross investment income	98	154	161
Other
Net Investment Income [Line Items]
Gross investment income	96	132	112
Investment income | Equity securities
Net Investment Income [Line Items]
Gross investment income	63	85	79
Accounting Standards Update 2016-01 | Equity securities
Net Investment Income [Line Items]
Gross investment income	$ 24	$ 39	$ 22

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Investments - Realized gains (losses) and changes in unrealized appreciation (depreciation) related to fixed maturity and equity security investments (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Realized gains (losses) and changes in unrealized appreciation (depreciation) related to fixed maturity and equity security investments
Realized gains (losses) on securities	$ 289	$ 287	$ (266)
Net of tax
Realized gains (losses) and changes in unrealized appreciation (depreciation) related to fixed maturity and equity security investments
Realized before impairments	256	242	(195)
Realized - impairments	(28)	(15)	(15)
Realized gains (losses) on securities	228	227	(210)
Change in unrealized	393	779	(536)
Total pretax
Realized gains (losses) and changes in unrealized appreciation (depreciation) related to fixed maturity and equity security investments
Realized before impairments	324	306	(247)
Realized - impairments	(35)	(19)	(19)
Realized gains (losses) on securities	289	287	(266)
Change in unrealized	498	986	(679)
Fixed maturities
Realized gains (losses) and changes in unrealized appreciation (depreciation) related to fixed maturity and equity security investments
Realized before impairments	468	26	6
Realized - impairments	(46)	(29)	(26)
Realized gains (losses) on securities	422	(3)	(20)
Change in unrealized	858	1,821	(1,181)
Equity securities
Realized gains (losses) and changes in unrealized appreciation (depreciation) related to fixed maturity and equity security investments
Realized before impairments	(96)	277	(265)
Realized - impairments	0	0	0
Realized gains (losses) on securities	(96)	277	(265)
Change in unrealized	0	0	0
Mortgage loans and other investments
Realized gains (losses) and changes in unrealized appreciation (depreciation) related to fixed maturity and equity security investments
Realized before impairments	4	3	1
Realized - impairments	0	0	0
Realized gains (losses) on securities	4	3	1
Change in unrealized	0	0	0
Other, Including DPAC and reserves related to annuity business
Realized gains (losses) and changes in unrealized appreciation (depreciation) related to fixed maturity and equity security investments
Realized before impairments	(52)	0	11
Realized - impairments	11	10	7
Realized gains (losses) on securities	(41)	10	18
Change in unrealized	(360)	(835)	502
Total tax effects
Realized gains (losses) and changes in unrealized appreciation (depreciation) related to fixed maturity and equity security investments
Realized before impairments	(68)	(64)	52
Realized - impairments	7	4	4
Realized gains (losses) on securities	(61)	(60)	56
Change in unrealized	$ (105)	$ (207)	$ 143

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Investments - Holding gains (losses) on equity securities still held (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Holding Gains (Losses) on Equity Securities Still Held [Line Items]
Realized gains (losses) on securities									$ 289	$ 287	$ (266)
Gross investment income									2,161	2,325	2,116
Equity securities
Holding Gains (Losses) on Equity Securities Still Held [Line Items]
Realized gains (losses) on securities									(96)	277	(265)
Accounting Standards Update 2016-01 | Equity securities
Holding Gains (Losses) on Equity Securities Still Held [Line Items]
Realized gains (losses) on securities	$ 207	$ 30	$ 202	$ (535)	$ 67	$ (15)	$ 44	$ 182	(96)	278
Accounting Standards Update 2016-01 | Equity securities still owned | Equity securities
Holding Gains (Losses) on Equity Securities Still Held [Line Items]
Net holding gains (losses) on equity securities									(46)	207	(257)
Accounting Standards Update 2016-01 | Realized gains (losses) on securities | Equity securities still owned | Equity securities
Holding Gains (Losses) on Equity Securities Still Held [Line Items]
Realized gains (losses) on securities									(70)	169	(279)
Accounting Standards Update 2016-01 | Investment income | Equity securities still owned | Equity securities
Holding Gains (Losses) on Equity Securities Still Held [Line Items]
Gross investment income									$ 24	$ 38	$ 22

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Investments - Gross realized gains and losses on available for sale fixed maturity security investment transactions (Details) - Fixed maturities - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Gross realized gains and losses on the sale of available for sale fixed maturity security investments
Gross gains	$ 526	$ 35	$ 22
Gross losses	$ (55)	$ (19)	$ (14)

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Derivatives - Narrative (Details)	3 Months Ended		12 Months Ended
	Jun. 30, 2020 USD ($) swap	Mar. 31, 2020 USD ($) swap	Dec. 31, 2020 USD ($) swap	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)
Derivative Instruments, Gain (Loss) [Line Items]
Carrying value of collateral received to support purchased call options			$ 351,000,000	$ 577,000,000
Interest rate swaps | Cash Flow Hedges | Contract termination
Derivative Instruments, Gain (Loss) [Line Items]
Number of interest rate swaps expired | swap		1
Interest rate swaps | Cash Flow Hedges | Contract termination | Great American Life Insurance Company
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Notional Amount	$ 166,000,000	$ 83,000,000
Number of interest rate swaps terminated | swap	2
Interest rate swaps | Cash Flow Hedges | Facility closing
Derivative Instruments, Gain (Loss) [Line Items]
Number of interest rate swaps terminated | swap	1
Interest rate swaps | Cash Flow Hedges | Facility closing | Great American Life Insurance Company
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Notional Amount	$ 44,000,000
Not Designated as Hedging Instrument | Fixed-indexed and variable-indexed annuities (embedded derivative) | Annuity benefits
Derivative Instruments, Gain (Loss) [Line Items]
The portion of the change in fair value of the embedded derivative related to the unlocking of actuarial assumptions			$ 240,000,000	181,000,000	$ (44,000,000)
Designated as Hedging Instrument | Interest rate swaps | Cash Flow Hedges | Great American Life Insurance Company
Derivative Instruments, Gain (Loss) [Line Items]
Number of interest rate swaps designated and qualifying as a cash flow hedges | swap			9
Derivative, Notional Amount			$ 1,630,000,000	1,980,000,000
Gain (loss) reclassified from AOCI into net investment income			40,000,000	3,000,000	$ (3,000,000)
Collateral receivable supporting interest rate swaps			2,000,000	20,000,000
Designated as Hedging Instrument | Interest rate swaps | Cash Flow Hedges | Other assets | Great American Life Insurance Company
Derivative Instruments, Gain (Loss) [Line Items]
Net derivatives, at fair value			102,000,000	50,000,000
Designated as Hedging Instrument | Interest rate swaps | Cash Flow Hedges | Other liabilities — derivatives | Great American Life Insurance Company
Derivative Instruments, Gain (Loss) [Line Items]
Net derivatives, at fair value			$ 0	$ (5,000,000)

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Derivatives - Derivatives that do not qualify for hedge accounting under GAAP included in the Balance Sheet at fair value (Details) - Not Designated as Hedging Instrument - USD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019
Derivatives included in AFG' s Balance Sheet at fair value
Derivative asset, at fair value	$ 999	$ 1,026
Derivative liability, at fair value	3,943	3,735
MBS with embedded derivatives | Fixed maturities
Derivatives included in AFG' s Balance Sheet at fair value
Derivative asset, at fair value	174	102
Public company warrants | Equity securities
Derivatives included in AFG' s Balance Sheet at fair value
Derivative asset, at fair value	0	0
Fixed-indexed and variable-indexed annuities (embedded derivative) | Annuity benefits accumulated
Derivatives included in AFG' s Balance Sheet at fair value
Derivative liability, at fair value	3,933	3,730
Equity index call options | Equity index call options
Derivatives included in AFG' s Balance Sheet at fair value
Derivative asset, at fair value	825	924
Equity index put options | Other liabilities
Derivatives included in AFG' s Balance Sheet at fair value
Derivative liability, at fair value	5	1
Reinsurance contract (embedded derivative) | Other liabilities
Derivatives included in AFG' s Balance Sheet at fair value
Derivative liability, at fair value	$ 5	$ 4

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Derivatives - Gain (loss) included in the Statement of Earnings for changes in the fair value of derivatives that do not qualify for hedge accounting (Details) - Not Designated as Hedging Instrument - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Derivative, Gain (Loss) on Derivative, Net [Abstract]
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net	$ (61)	$ (106)	$ (103)
MBS with embedded derivatives | Realized gains (losses) on securities
Derivative, Gain (Loss) on Derivative, Net [Abstract]
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net	(3)	10	(7)
Public company warrants | Realized gains (losses) on securities
Derivative, Gain (Loss) on Derivative, Net [Abstract]
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net	0	(1)	(3)
Fixed-indexed and variable-indexed annuities (embedded derivative) | Annuity benefits
Derivative, Gain (Loss) on Derivative, Net [Abstract]
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net	(283)	(919)	204
Equity index call options | Annuity benefits
Derivative, Gain (Loss) on Derivative, Net [Abstract]
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net	223	804	(298)
Equity index put options | Annuity benefits
Derivative, Gain (Loss) on Derivative, Net [Abstract]
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net	3	2	(1)
Reinsurance contract (embedded derivative) | Net investment income
Derivative, Gain (Loss) on Derivative, Net [Abstract]
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net	$ (1)	$ (2)	$ 2

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Deferred Policy Acquisition Costs - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Deferred Policy Acquisition Costs Disclosures [Abstract]
Accumulated amortization of present value of future profits	$ 160	$ 154
Approximate annual rate of decrease in present value of future profits during next five years	14.29%

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Deferred Policy Acquisition Costs - Progression of deferred policy acquisition costs (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
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	$ 1,037	$ 1,682	$ 1,216
Deferred policy acquisition costs and present value of future profits, additions	703	952	940
Deferred policy acquisition costs and present value of future profits, periodic amortization	(757)	(860)	(908)
Deferred policy acquisition costs and present value of future profits, annuity unlocking	(114)	(77)	29
Deferred policy acquisition costs and present value of future profits, change included in realized gains	(41)	9	15
Deferred policy acquisition costs and present value of future profits, foreign currency translation	0	0	(2)
Deferred policy acquisition costs and present value of future profits, other	(10)
Deferred policy acquisition costs and present value of future profits, change in unrealized	(272)	(669)	392
Deferred policy acquisition costs and present value of future profits, ending balance	546	1,037	1,682
Property and casualty insurance
Movement Analysis of Deferred Policy Acquisition Costs [Roll Forward]
Deferred policy acquisition costs, beginning balance	322	299	270
Deferred policy acquisition costs, additions	547	744	675
Deferred policy acquisition costs, periodic amortization	(615)	(721)	(644)
Deferred policy acquisition costs, foreign currency translation	0	0	(2)
Deferred policy acquisition costs, ending balance	244	322	299
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, other	(10)
Annuity and Run-off
Movement Analysis of Deferred Policy Acquisition Costs [Roll Forward]
Deferred policy acquisition costs, beginning balance	1,303	1,285	1,217
Deferred policy acquisition costs, additions	154	206	263
Deferred policy acquisition costs, periodic amortization	(127)	(120)	(238)
Deferred policy acquisition costs, annuity unlocking	(118)	(76)	29
Deferred policy acquisition costs, change included in realized gains	(42)	8	14
Deferred policy acquisition costs, ending balance	1,170	1,303	1,285
Movement in Deferred Sales Inducements [Roll Forward]
Deferred sales inducements, beginning balance	75	86	102
Deferred sales inducements, additions	2	2	2
Deferred sales inducements, periodic amortization	(9)	(13)	(19)
Deferred sales inducements, annuity unlocking	4	(1)	0
Deferred sales inducements, change included in realized gains	1	1	1
Deferred sales inducements, ending balance	73	75	86
Movement in Present Value of Future Insurance Profits [Roll Forward]
Present value of future profits, beginning balance	36	42	49
Present value of future profits, periodic amortization	(6)	(6)	(7)
Present value of future profits, annuity unlocking	0	0	0
Present value of future profits, ending balance	30	36	42
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	(699)	(30)	(422)
Unrealized investment gains (losses), change in unrealized	(272)	(669)	392
Unrealized investment gains (losses), ending balance	(971)	(699)	(30)
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	715	1,383	946
Deferred policy acquisition costs and present value of future profits, additions	156	208	265
Deferred policy acquisition costs and present value of future profits, periodic amortization	(142)	(139)	(264)
Deferred policy acquisition costs and present value of future profits, annuity unlocking	(114)	(77)	29
Deferred policy acquisition costs and present value of future profits, change included in realized gains	(41)	9	15
Deferred policy acquisition costs and present value of future profits, change in unrealized	(272)	(669)	392
Deferred policy acquisition costs and present value of future profits, ending balance	302	715	1,383
Excluding Unrealized Gains | Annuity and Run-off
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	1,414	1,413	1,368
Deferred policy acquisition costs and present value of future profits, change in unrealized	0	0	0
Deferred policy acquisition costs and present value of future profits, ending balance	$ 1,273	$ 1,414	$ 1,413

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Managed Investment Entities - Narrative (Details) $ in Millions	12 Months Ended
	Dec. 31, 2020 USD ($) collateralizedloanobligation	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($) collateralizedloanobligation
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	100.00%
Number of collateralized loan obligation entities | collateralizedloanobligation	12
Proceeds received by subsidiaries related to sales and redemptions of managed investment entities liabilities	$ 2		$ 45
Face amount of managed investment entities liabilities purchased by subsidiaries after issuance date	57		7
Amount paid by subsidiaries to purchase managed investment entities liabilities after issuance date	$ 39		$ 7
Number of collateralized loan obligation entities formed during the period | collateralizedloanobligation	1		1
Number of collateralized loan obligation entities that were substantially liquidated during the period | collateralizedloanobligation			2
Difference between aggregate unpaid principal balance and fair value of CLOs' fixed maturity investments	$ 150	$ 146
Difference between aggregate unpaid principal balance and fair value of CLOs' debt	141	129
Carrying amount of CLO loans in default	11	10
Aggregate unpaid principal balance of CLO loans in default	28	25
Available for sale (AFS) fixed maturities	43,207	46,505
New collateralized loan obligation entities
Variable Interest Entity [Line Items]
Face value of liabilities issued by managed investment entities on issuance date	303		$ 463
Face amount of managed investment entities liabilities purchased by subsidiaries at issuance date	31		31
Variable interest entity, primary beneficiary
Variable Interest Entity [Line Items]
Aggregate fair value of investment in collateralized loan obligations	200	165	$ 188
Subordinated debt obligations | Variable interest entity, primary beneficiary
Variable Interest Entity [Line Items]
Aggregate fair value of investment in collateralized loan obligations	111
Collateralized loan obligations | Managed by third parties
Variable Interest Entity [Line Items]
Available for sale (AFS) fixed maturities	$ 4,553	4,280
Maximum
Variable Interest Entity [Line Items]
Proceeds received by subsidiaries related to sales and redemptions of managed investment entities liabilities		$ 1

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Managed Investment Entities - Selected financial information related to CLOs (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Gains (losses) on change in fair value of assets/liabilities:
Assets	$ (69)	$ 80	$ (189)
Liabilities	30	(110)	168
Management fees paid to AFG	15	15	16
CLO earnings (losses) attributable to AFG Shareholders	(2)	4	7
Variable interest entity, primary beneficiary
Variable Interest Entity [Line Items]
Investment in CLO tranches	$ 200	$ 165	$ 188

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Goodwill and Other Intangibles - Narrative (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill acquired during period	$ 8			$ 8
Amortizable intangible assets related to property and casualty insurance acquisitions		$ 34	$ 43
Accumulated amortization		62	50
Amortization of intangible assets		$ 12	$ 11	$ 9
Weighted average useful life of finite-lived intangible assets acquired		3 years
Future amortization of intangibles in next year		$ 6
Future amortization of intangibles in year two		4
Future amortization of intangibles in year three		4
Future amortization of intangibles in year four		4
Future amortization of intangibles in year five		4
Future amortization of intangibles after year five		$ 12

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Goodwill and Other Intangibles - Changes in the carrying value of goodwill (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2018	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2017
Changes in the carrying value of goodwill by reporting segment
Goodwill, Beginning balance	$ 207	$ 207	$ 207	$ 207	$ 199
Goodwill, acquisition of subsidiary	8	8
Goodwill, Ending balance	207	207
Property and Casualty
Changes in the carrying value of goodwill by reporting segment
Goodwill, Beginning balance	176	176	176	176	168
Goodwill, acquisition of subsidiary		8
Goodwill, Ending balance	176	176
Annuity
Changes in the carrying value of goodwill by reporting segment
Goodwill, Beginning balance	31	31	$ 31	$ 31	$ 31
Goodwill, acquisition of subsidiary		0
Goodwill, Ending balance	$ 31	$ 31

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Long-Term Debt - Narrative (Details) - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Nov. 15, 2020	Sep. 30, 2020	May 29, 2020	Apr. 02, 2020	Mar. 31, 2019
Long-term Debt, Fiscal Year Maturity [Abstract]
Scheduled principal payments on debt in next year	$ 0
Scheduled principal payments on debt in year two	0
Scheduled principal payments on debt in year three	0
Scheduled principal payments on debt in year four	0
Scheduled principal payments on debt in year five	0
Principal	1,993,000,000	$ 1,493,000,000
Cash interest payments on long-term debt	$ 83,000,000	65,000,000	$ 59,000,000
AFG
Long-term Debt, Fiscal Year Maturity [Abstract]
Revolving credit facility term	5 years
Revolving credit line	$ 500,000,000
Interest rate description for revolving credit facility	1.00% to 1.875% (currently 1.375%) over LIBOR
Amount borrowed under AFG revolving credit facility	$ 0	0
LIBOR | AFG
Long-term Debt, Fiscal Year Maturity [Abstract]
Interest rate on revolving debt facility	1.375%
LIBOR | AFG | Minimum
Long-term Debt, Fiscal Year Maturity [Abstract]
Interest rate on revolving debt facility	1.00%
LIBOR | AFG | Maximum
Long-term Debt, Fiscal Year Maturity [Abstract]
Interest rate on revolving debt facility	1.875%
Senior Notes | AFG
Long-term Debt, Fiscal Year Maturity [Abstract]
Principal	$ 1,318,000,000	1,018,000,000
Senior Notes | 4.50% Senior Notes due June 2047 | AFG
Long-term Debt, Fiscal Year Maturity [Abstract]
Principal	$ 590,000,000	590,000,000
Interest rate on debt instruments	4.50%
Senior Notes | 3.50% Senior Notes due August 2026 | AFG
Long-term Debt, Fiscal Year Maturity [Abstract]
Principal	$ 425,000,000	425,000,000
Interest rate on debt instruments	3.50%
Senior Notes | 5.25% Senior Notes due April 2030 | AFG
Long-term Debt, Fiscal Year Maturity [Abstract]
Principal	$ 300,000,000	0					$ 300,000,000
Interest rate on debt instruments	5.25%						5.25%
Subordinated Debt | AFG
Long-term Debt, Fiscal Year Maturity [Abstract]
Principal	$ 675,000,000	475,000,000
Subordinated Debt | 5.125% Subordinated Debentures due December 2059 | AFG
Long-term Debt, Fiscal Year Maturity [Abstract]
Principal	$ 200,000,000	200,000,000
Senior Notes, aggregate principal amount		$ 200,000,000
Interest rate on debt instruments	5.125%	5.125%
Subordinated Debt | 6% Subordinated Debentures due November 2055 | AFG
Long-term Debt, Fiscal Year Maturity [Abstract]
Principal	$ 0	$ 150,000,000		$ 150,000,000
Interest rate on debt instruments	6.00%			6.00%
Subordinated Debt | 5.875% Subordinated Debentures due March 2059 | AFG
Long-term Debt, Fiscal Year Maturity [Abstract]
Principal	$ 125,000,000	125,000,000
Senior Notes, aggregate principal amount								$ 125,000,000
Interest rate on debt instruments	5.875%							5.875%
Subordinated Debt | 4.50% Subordinated Debentures due September 2060 | AFG
Long-term Debt, Fiscal Year Maturity [Abstract]
Principal	$ 200,000,000	0			$ 200,000,000
Interest rate on debt instruments	4.50%				4.50%
Subordinated Debt | 5.625% Subordinated Debentures due June 2060 | AFG
Long-term Debt, Fiscal Year Maturity [Abstract]
Principal	$ 150,000,000	$ 0				$ 150,000,000
Interest rate on debt instruments	5.625%					5.625%
Subordinated Debt | 6-1/4% Subordinated Debentures due September 2054 | AFG
Long-term Debt, Fiscal Year Maturity [Abstract]
Interest rate on debt instruments		6.25%
Senior Notes, amount of the original debt instrument that was redeemed		$ 150,000,000

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Long-Term Debt - Schedule of long-term debt (Details) - USD ($)	Dec. 31, 2020	Nov. 15, 2020	Sep. 30, 2020	May 29, 2020	Apr. 02, 2020	Dec. 31, 2019	Mar. 31, 2019
Summary of Carrying value of long-term debt
Principal	$ 1,993,000,000					$ 1,493,000,000
Discount and Issue Costs	(30,000,000)					(20,000,000)
Carrying Value	1,963,000,000					1,473,000,000
AFG
Summary of Carrying value of long-term debt
Carrying Value	1,963,000,000					1,473,000,000
Senior Notes | AFG
Summary of Carrying value of long-term debt
Principal	1,318,000,000					1,018,000,000
Discount and Issue Costs	(11,000,000)					(5,000,000)
Carrying Value	1,307,000,000					1,013,000,000
Senior Notes | 4.50% Senior Notes due June 2047 | AFG
Summary of Carrying value of long-term debt
Principal	590,000,000					590,000,000
Discount and Issue Costs	(2,000,000)					(2,000,000)
Carrying Value	$ 588,000,000					588,000,000
Interest rate on debt instruments	4.50%
Senior Notes | 3.50% Senior Notes due August 2026 | AFG
Summary of Carrying value of long-term debt
Principal	$ 425,000,000					425,000,000
Discount and Issue Costs	(3,000,000)					(3,000,000)
Carrying Value	$ 422,000,000					422,000,000
Interest rate on debt instruments	3.50%
Senior Notes | 5.25% Senior Notes due April 2030 | AFG
Summary of Carrying value of long-term debt
Principal	$ 300,000,000				$ 300,000,000	0
Discount and Issue Costs	(6,000,000)					0
Carrying Value	$ 294,000,000					0
Interest rate on debt instruments	5.25%				5.25%
Senior Notes | Other | AFG
Summary of Carrying value of long-term debt
Principal	$ 3,000,000					3,000,000
Discount and Issue Costs	0					0
Carrying Value	3,000,000					3,000,000
Subordinated Debentures | AFG
Summary of Carrying value of long-term debt
Principal	675,000,000					475,000,000
Discount and Issue Costs	(19,000,000)					(15,000,000)
Carrying Value	656,000,000					460,000,000
Subordinated Debentures | 4.50% Subordinated Debentures due September 2060 | AFG
Summary of Carrying value of long-term debt
Principal	200,000,000		$ 200,000,000			0
Discount and Issue Costs	(5,000,000)					0
Carrying Value	$ 195,000,000					0
Interest rate on debt instruments	4.50%		4.50%
Subordinated Debentures | 5.125% Subordinated Debentures due December 2059 | AFG
Summary of Carrying value of long-term debt
Principal	$ 200,000,000					200,000,000
Discount and Issue Costs	(6,000,000)					(6,000,000)
Carrying Value	$ 194,000,000					$ 194,000,000
Interest rate on debt instruments	5.125%					5.125%
Subordinated Debentures | 5.625% Subordinated Debentures due June 2060 | AFG
Summary of Carrying value of long-term debt
Principal	$ 150,000,000			$ 150,000,000		$ 0
Discount and Issue Costs	(4,000,000)					0
Carrying Value	$ 146,000,000					0
Interest rate on debt instruments	5.625%			5.625%
Subordinated Debentures | 5.875% Subordinated Debentures due March 2059 | AFG
Summary of Carrying value of long-term debt
Principal	$ 125,000,000					125,000,000
Discount and Issue Costs	(4,000,000)					(4,000,000)
Carrying Value	$ 121,000,000					121,000,000
Interest rate on debt instruments	5.875%						5.875%
Subordinated Debentures | 6% Subordinated Debentures due November 2055 | AFG
Summary of Carrying value of long-term debt
Principal	$ 0	$ 150,000,000				150,000,000
Discount and Issue Costs	0					(5,000,000)
Carrying Value	$ 0					$ 145,000,000
Interest rate on debt instruments	6.00%	6.00%

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Leases - Narrative (Details) - USD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019	Jan. 01, 2019
Leases [Abstract]
Deferred rent and lease incentives	$ 20	$ 22	$ 24
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]	us-gaap:OtherLiabilities	us-gaap:OtherLiabilities	us-gaap:OtherLiabilities

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Leases - Right-of-use asset and lease liability (Details) - USD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019	Jan. 01, 2019
Leases [Abstract]
Operating lease right-of-use asset	$ 139	$ 158	$ 174
Operating lease liability	$ 159	$ 180	$ 198

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Leases - Lease activity (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Leases [Abstract]
Operating leases	$ 47	$ 46
Short-term leases	0	1
Total lease expense	$ 47	$ 47

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Leases - Other operating lease liability information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Leases [Abstract]
Cash paid for lease liabilities reported in operating cash flows	$ 50	$ 49
Right-of-use assets obtained under new leases	$ 25	$ 19

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Leases - Undiscounted contractual maturities of operating lease liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019	Jan. 01, 2019
Leases [Abstract]
Lease payments due in 2021	$ 43
Lease payments due in 2022	35
Lease payments due in 2023	29
Lease payments due in 2024	23
Lease payments due in 2025	20
Lease payments due thereafter	28
Total lease payments	178
Less: Future ease payments impact of discounting	(19)
Operating lease liability	$ 159	$ 180	$ 198

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Leases - Schedule of weighted-average remaing lease term and weighted-average discount rate (Details)	Dec. 31, 2020
Leases [Abstract]
Weighted-average remaining lease term	5 years 4 months 24 days
Weighted-average discount rate	3.90%

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Shareholders' Equity - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Jan. 01, 2018	Dec. 31, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Rate of options exercisable per year, commencing one year after grant	20% per year commencing one year after grant
Duration of options expiration, after date of grant	10 years
Total intrinsic value of options exercised	$ 17	$ 46	$ 57
Cash received from the exercise of stock options	14	31	29
Tax benefit related to exercise of stock options	3	8	9
Total compensation expense related to stock incentive plans	20	23	23
Tax benefit related to compensation costs	9	13	13
Cumulative effect of accounting change	6,789	6,269	4,972		$ 5,331
Cumulative effect, period of adoption, adjustment
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Cumulative effect of accounting change					$ 4
Accumulated net investment gain (loss) attributable to parent | Cumulative effect, period of adoption, adjustment
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Cumulative effect of accounting change	$ 0	0		$ (221)
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted common stock vesting period	4 years
Restricted Common Stock vested during period, fair value	$ 19	$ 11	$ 10
Unrecognized compensation expense related to equity-based awards that have yet to vest	$ 35
Weighted average period of cost expected to be recognized	2 years 6 months
Share-based Payment Arrangement
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures	0	0	0
Common Stock reserved for issuance under stock incentive plans (shares)	3,900,000
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation expense related to equity-based awards that have yet to vest	$ 0

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Shareholders' Equity - Preferred stock authorized for issuance (Details)	Dec. 31, 2020 $ / shares shares
Voting Preferred Stock
Class of Stock [Line Items]
Preferred Stock, par value | $ / shares	$ 0
Preferred Stock, shares authorized | shares	12,500,000
Nonvoting Preferred Stock
Class of Stock [Line Items]
Preferred Stock, par value | $ / shares	$ 0
Preferred Stock, shares authorized | shares	12,500,000

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Shareholders' Equity - Data relating to grants of restricted stock (Details) - Restricted Stock	12 Months Ended
	Dec. 31, 2020 $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Outstanding at January 1, 2020 | shares	919,935
Granted | shares	227,867
Vested | shares	(285,888)
Forfeited | shares	(43,681)
Outstanding at December 31, 2020 | shares	818,233
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Roll Forward]
Average grant date fair value, Outstanding, Beginning balance | $ / shares	$ 91.10
Average grant date fair value, Granted | $ / shares	104.15
Average grant date fair value, Vested | $ / shares	67.65
Average grant date fair value, Forfeited | $ / shares	101.97
Average grant date fair value, Outstanding, Ending balance | $ / shares	$ 101.65

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Shareholders' Equity - Data for stock options issued under the stock incentive plans (Details) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2020 USD ($) $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Outstanding at January 1, 2020 | shares	1,917,790
Exercised | shares	(328,471)
Forfeited/Cancelled | shares	(225)
Outstanding at December 31, 2020 | shares	1,589,094
Options exercisable at December 31, 2020 | shares	1,589,094
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]
Average exercise price, Beginning balance | $ / shares	$ 50.93
Average exercise price, Exercised | $ / shares	43.69
Average exercise price, Forfeited/Cancelled | $ / shares	63.15
Average exercise price, Ending balance | $ / shares	52.43
Average exercise price, Options exercisable | $ / shares	$ 52.43
Average remaining contractual term, Options outstanding	2 years 9 months 18 days
Average remaining contractual term, Options exercisable	2 years 9 months 18 days
Aggregate intrinsic value, Options outstanding | $	$ 56
Aggregate intrinsic value, Options exercisable | $	$ 56

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Shareholders' Equity - Progression of the components of accumulated other comprehensive income (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Jan. 01, 2018	Dec. 31, 2017
Accumulated Other Comprehensive Income [Roll Forward]
AOCI beginning balance	$ 863
Other comprehensive income (loss), net of tax	416	$ 815	$ (544)
AOCI ending balance	1,273	863
Cumulative effect of accounting change	6,789	6,269	4,972		$ 5,331
Cumulative effect, period of adoption, adjustment
Accumulated Other Comprehensive Income [Roll Forward]
Cumulative effect of accounting change					4
Accumulated net investment gain (loss) including portion attributable to noncontrolling interest
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other comprehensive income (loss), unrealized holding gains on securities arising during the period, Pretax	887	997	(689)
Other comprehensive income (loss), unrealized holding gains on securities arising during the period, tax	(187)	(209)	145
Other comprehensive income (loss), unrealized holding gains on securities arising during the period, net of tax	700	788	(544)
Reclassification from accumulated other comprehensive income, pretax	(389)	(11)	10
Reclassification from accumulated other comprehensive income, tax	82	2	(2)
Reclassification from accumulated other comprehensive income, net of tax	(307)	(9)	8
Accumulated Other Comprehensive Income [Roll Forward]
Other comprehensive income (loss), pretax	498	986	(679)
Other comprehensive income (loss), tax	(105)	(207)	143
Other comprehensive income (loss), net of tax	393	779	(536)
Accumulated net investment gain (loss) attributable to noncontrolling interest
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other comprehensive income (loss), unrealized holding gains on securities arising during the period, net of tax	0	0	0
Reclassification from accumulated other comprehensive income, net of tax	0	0	0
Accumulated Other Comprehensive Income [Roll Forward]
Other comprehensive income (loss), net of tax	0	0	0
Accumulated net investment gain (loss) attributable to parent
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other comprehensive income (loss), unrealized holding gains on securities arising during the period, net of tax	700	788	(544)
Reclassification from accumulated other comprehensive income, net of tax	(307)	(9)	8
Accumulated Other Comprehensive Income [Roll Forward]
AOCI beginning balance	862	83	840
Other comprehensive income (loss), net of tax	393	779	(536)
AOCI ending balance	1,255	862	83
Accumulated net investment gain (loss) attributable to parent | Cumulative effect, period of adoption, adjustment
Accumulated Other Comprehensive Income [Roll Forward]
Cumulative effect of accounting change	0	0		$ (221)
Accumulated net gain (loss) from cash flow hedges including portion attributable to noncontrolling interest
Accumulated Other Comprehensive Income [Roll Forward]
Other comprehensive income (loss), pretax	30	36	2
Other comprehensive income (loss), tax	(6)	(8)	0
Other comprehensive income (loss), net of tax	24	28	2
Accumulated net gain (loss) from cash flow hedges attributable to noncontrolling interest
Accumulated Other Comprehensive Income [Roll Forward]
Other comprehensive income (loss), net of tax	0	0	0
Accumulated net gain (loss) from cash flow hedges attributable to parent
Accumulated Other Comprehensive Income [Roll Forward]
AOCI beginning balance	17	(11)	(13)
Other comprehensive income (loss), net of tax	24	28	2
AOCI ending balance	41	17	(11)
Accumulated net gain (loss) from cash flow hedges attributable to parent | Cumulative effect, period of adoption, adjustment
Accumulated Other Comprehensive Income [Roll Forward]
Cumulative effect of accounting change	0	0		0
Accumulated foreign currency adjustment including portion attributable to noncontrolling interest
Accumulated Other Comprehensive Income [Roll Forward]
Other comprehensive income (loss), pretax	(1)	7	(9)
Other comprehensive income (loss), tax	0	0	(1)
Other comprehensive income (loss), net of tax	(1)	7	(10)
Accumulated foreign currency adjustment attributable to noncontrolling interest
Accumulated Other Comprehensive Income [Roll Forward]
Other comprehensive income (loss), net of tax	(2)	0	0
Accumulated foreign currency adjustment attributable to parent
Accumulated Other Comprehensive Income [Roll Forward]
AOCI beginning balance	(9)	(16)	(6)
Other comprehensive income (loss), net of tax	(3)	7	(10)
AOCI ending balance	(16)	(9)	(16)
Accumulated foreign currency adjustment attributable to parent | Neon Capital Limited
Accumulated Other Comprehensive Income [Roll Forward]
AOCI ending balance	(4)
Accumulated foreign currency adjustment attributable to parent | Cumulative effect, period of adoption, adjustment
Accumulated Other Comprehensive Income [Roll Forward]
Cumulative effect of accounting change		0		0
Accumulated defined benefit plans adjustment including portion attributable to noncontrolling interest
Accumulated Other Comprehensive Income [Roll Forward]
Other comprehensive income (loss), pretax	0	1	0
Other comprehensive income (loss), tax	0	0	0
Other comprehensive income (loss), net of tax	0	1	0
Accumulated defined benefit plans adjustment attributable to noncontrolling interest
Accumulated Other Comprehensive Income [Roll Forward]
Other comprehensive income (loss), net of tax	0	0	0
Accumulated defined benefit plans adjustment attributable to parent
Accumulated Other Comprehensive Income [Roll Forward]
AOCI beginning balance	(7)	(8)	(8)
Other comprehensive income (loss), net of tax	0	1	0
AOCI ending balance	(7)	(7)	(8)
Accumulated defined benefit plans adjustment attributable to parent | Cumulative effect, period of adoption, adjustment
Accumulated Other Comprehensive Income [Roll Forward]
Cumulative effect of accounting change	0	0		0
AOCI including portion attributable to noncontrolling interest
Accumulated Other Comprehensive Income [Roll Forward]
Other comprehensive income (loss), pretax	527	1,030	(686)
Other comprehensive income (loss), tax	(111)	(215)	142
Other comprehensive income (loss), net of tax	416	815	(544)
AOCI attributable to noncontrolling interest
Accumulated Other Comprehensive Income [Roll Forward]
Other comprehensive income (loss), net of tax	(2)	0	0
AOCI attributable to parent
Accumulated Other Comprehensive Income [Roll Forward]
AOCI beginning balance	863	48	813
Other comprehensive income (loss), net of tax	414	815	(544)
AOCI ending balance	1,273	863	48
Cumulative effect of accounting change	1,273	863	$ 48		813
AOCI attributable to parent | Neon Capital Limited
Accumulated Other Comprehensive Income [Roll Forward]
AOCI ending balance	$ (4)
AOCI attributable to parent | Cumulative effect, period of adoption, adjustment
Accumulated Other Comprehensive Income [Roll Forward]
Cumulative effect of accounting change		$ 0		$ (221)	$ (221)

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Income Taxes - Narrative (Details) £ in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2020 GBP (£)
Income Tax Reconciliation [Line Items]
Statutory rate of income taxes	21.00%	21.00%	21.00%
Income tax expense (benefit)	$ 127	$ 239	$ 122
Effective income tax rate reconciliation, percent, excluding the Impact of the sale of subsidiaries	21.00%
Income (losses) subject to tax in foreign jurisdictions	$ (131)	(109)	(69)
Operating loss carryforwards, valuation allowance	15
Interest on income taxes accrued	0	0
Amount of expense for penalties related to a tax position	0
Cash payments for income taxes	$ 179	278	156
Limitation on the use of tax credit carryforwards	A SRLY NOL can be used only by the entity that created it and only in years that both it and the consolidated group have taxable income. Approximately $23 million of AFG’s SRLY NOLs expired unutilized at December 31, 2020.
Neon Capital Limited
Income Tax Reconciliation [Line Items]
Income tax expense (benefit)	$ (72)
Income tax benefit, portion attributable to current taxes payable	(65)
AFG
Income Tax Reconciliation [Line Items]
Income tax expense (benefit)	127	239	122
Unrecognized tax benefits that would impact the effective tax rate	0	0
Interest included in tax provision	0	0
Income tax penalties accrued	0	0
Charge for valuation allowance
Income Tax Reconciliation [Line Items]
Charge for valuation allowance against deferred tax assets		118
Maximum | AFG
Income Tax Reconciliation [Line Items]
Interest included in tax provision			1
Amount of expense for penalties related to a tax position		$ 1	$ 1
Amount unutilized
Income Tax Reconciliation [Line Items]
Operating loss carryforwards	23
United Kingdom
Income Tax Reconciliation [Line Items]
Operating loss carryforwards	$ 34			£ 25

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Income Taxes - Reconciliation of income taxes at the statutory rate to the provision for income taxes (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Effective Income Tax Rate Reconciliation, Amount [Abstract]
Earnings before income taxes (“EBT”)	$ 848	$ 1,108	$ 639
Income taxes at statutory rate	178	233	134
Effect of tax exempt interest	(12)	(14)	(13)
Effect of stock-based compensation	(4)	(8)	(8)
Effect of dividends received deduction	(3)	(4)	(4)
Effect of adjustments to prior year taxes	(1)	(3)	(8)
Effect of employee stock ownership plan dividend paid deduction	(2)	(2)	(3)
Effect of sale of subsidiaries	(72)	0	0
Effect of change in valuation allowance (excluding change in tax rate)	(117)	17	11
Effect of foreign operations	149	4	(2)
Effect of nondeductible expenses	5	8	7
Effect of other income tax reconciliation	6	8	8
Provision for income taxes as shown in the Statement of Earnings	$ 127	$ 239	$ 122
Effective Income Tax Rate Reconciliation, Percent [Abstract]
Income taxes at statutory rate as a percentage of EBT	21.00%	21.00%	21.00%
Effect of tax exempt interest as a percentage of EBT	(1.00%)	(1.00%)	(2.00%)
Effect of stock-based compensation as a percentage of EBT	0.00%	(1.00%)	(1.00%)
Effect of dividend received deduction as a percentage of EBT	0.00%	0.00%	(1.00%)
Effect of prior year income taxes as a percentage of EBT	0.00%	0.00%	(1.00%)
Effect of employee stock ownership plan dividend paid deduction as a percentage of EBT	0.00%	0.00%	(1.00%)
Effect sale of subsidiaries as a percentage of EBT	(8.00%)	0.00%	0.00%
Effect of change in valuation allowance (excluding change in tax rate) as a percentage of EBT	(14.00%)	2.00%	2.00%
Effect of foreign operations as a percentage of EBT	18.00%	0.00%	0.00%
Effect of nondeductible expenses as a percentage of EBT	1.00%	1.00%	1.00%
Effect of other income tax reconciliation as a percentage of EBT	(2.00%)	0.00%	1.00%
Provision for income taxes as shown in the Statement of Earnings as a percentage of EBT	15.00%	22.00%	19.00%

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Income Taxes - Total income tax provision (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Current taxes:
Federal	$ 101	$ 250	$ 196
State	6	10	8
Foreign	3	2	0
Deferred taxes:
Federal	17	(23)	(82)
Provision for income taxes as shown in the Statement of Earnings	$ 127	$ 239	$ 122

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Income Taxes - Operating and capital loss carryforwards available (Details) - Dec. 31, 2020 £ in Millions, $ in Millions	USD ($)	GBP (£)
U.S. | Expiring 2021 - 2022
Operating and capital loss carryforwards [Line Items]
Operating loss carryforwards	$ 69
United Kingdom
Operating and capital loss carryforwards [Line Items]
Operating loss carryforwards	$ 34	£ 25

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Income Taxes - Significant components of deferred tax assets and liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019
Deferred tax assets:
Federal net operating loss carryforwards	$ 15	$ 19
Foreign underwriting losses	6	118
Capital loss carryforwards	7	0
Insurance claims and reserves	840	875
Employee benefits	104	93
Other, net	48	43
Total deferred tax assets before valuation allowance	1,020	1,148
Valuation allowance against deferred tax assets	(29)	(140)
Total deferred tax assets	991	1,008
Deferred tax liabilities:
Investment securities	(763)	(556)
Deferred policy acquisition costs	(71)	(150)
Insurance claims and reserves transition liability	(77)	(93)
Real estate, property and equipment	(37)	(35)
Total deferred tax liabilities	(948)	(834)
Net deferred tax asset (liability)	43	174
Excluding Unrealized Gains
Deferred tax assets:
Federal net operating loss carryforwards	15	19
Foreign underwriting losses	6	118
Capital loss carryforwards	7	0
Insurance claims and reserves	772	829
Employee benefits	104	93
Other, net	50	45
Total deferred tax assets before valuation allowance	954	1,104
Valuation allowance against deferred tax assets	(29)	(140)
Total deferred tax assets	925	964
Deferred tax liabilities:
Investment securities	(167)	(140)
Deferred policy acquisition costs	(267)	(293)
Insurance claims and reserves transition liability	(77)	(93)
Real estate, property and equipment	(37)	(35)
Total deferred tax liabilities	(548)	(561)
Net deferred tax asset (liability)	377	403
Impact of Unrealized Gains
Deferred tax assets:
Federal net operating loss carryforwards	0	0
Foreign underwriting losses	0	0
Capital loss carryforwards	0	0
Insurance claims and reserves	68	46
Employee benefits	0	0
Other, net	(2)	(2)
Total deferred tax assets before valuation allowance	66	44
Valuation allowance against deferred tax assets	0	0
Total deferred tax assets	66	44
Deferred tax liabilities:
Investment securities	(596)	(416)
Deferred policy acquisition costs, impact of unrealized gains	(196)	(143)
Insurance claims and reserves transition liability	0	0
Real estate, property and equipment	0	0
Total deferred tax liabilities	(400)	(273)
Net deferred tax asset (liability)	$ (334)	$ (229)

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Contingencies - Narrative (Details) - USD ($) $ in Millions		3 Months Ended
	Dec. 24, 2015	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Loss Contingencies [Line Items]
Reinsurance recoverables on asbestos and environmental reserves, net of allowance					$ 3,117	$ 3,024	$ 2,942	$ 2,957
Property and Casualty Group
Loss Contingencies [Line Items]
Increase in asbestos and environmental reserves		$ 47	$ 18	$ 18
Liability for asbestos and environmental reserves					572
Former railroad and manufacturing operations
Loss Contingencies [Line Items]
Increase in asbestos and environmental reserves		$ 21	$ 11	$ 9
American Premier and its subsidiaries
Loss Contingencies [Line Items]
Liability for environmental and other claims					94
GAFRI
Loss Contingencies [Line Items]
Liability for environmental and other claims					7
Run-off long-term care and life
Loss Contingencies [Line Items]
Contingent capital support agreement amount	$ 35
Contingent capital support agreement term	5 years
A&E reserves | Property and Casualty Group
Loss Contingencies [Line Items]
Reinsurance recoverables on asbestos and environmental reserves, net of allowance					$ 150

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Quarterly Operating Results (Unaudited) - Narrative (Details) - USD ($) $ in Millions	3 Months Ended								6 Months Ended	12 Months Ended
	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Jun. 30, 2020	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Quarterly Operating Results (Unaudited) [Line Items]
Realized gains (losses) on securities										$ 289	$ 287	$ (266)
Pretax catastrophe losses	$ 38	$ 57	$ 26	$ 9	$ 15	$ 22	$ 12	$ 12		130	61
Pretax COVID-19 related losses			105	10						115
Other Security Investments
Quarterly Operating Results (Unaudited) [Line Items]
Realized gains (losses) on securities	384	15	2	(16)	(2)	(3)	12	2		385	9
Property and casualty insurance | Other lines
Quarterly Operating Results (Unaudited) [Line Items]
Increase in asbestos and environmental reserves		47				18				47	18	18
Property and casualty insurance | Other lines | Neon Capital Limited
Quarterly Operating Results (Unaudited) [Line Items]
Pretax catastrophe losses										37	13
Pretax COVID-19 related losses									$ 20	20
Other
Quarterly Operating Results (Unaudited) [Line Items]
Write off of deferred debt issuance cost due to the retirement of debt	5				5
Other | Former railroad and manufacturing operations
Quarterly Operating Results (Unaudited) [Line Items]
Increase in asbestos and environmental reserves		21				11
Annuity | Other Security Investments
Quarterly Operating Results (Unaudited) [Line Items]
Realized gains (losses) on securities	369
Equity securities
Quarterly Operating Results (Unaudited) [Line Items]
Realized gains (losses) on securities										(96)	277	(265)
Equity securities | Accounting Standards Update 2016-01
Quarterly Operating Results (Unaudited) [Line Items]
Realized gains (losses) on securities	$ 207	$ 30	$ 202	$ (535)	$ 67	$ (15)	$ 44	$ 182		(96)	278
Total fixed maturities
Quarterly Operating Results (Unaudited) [Line Items]
Realized gains (losses) on securities										$ 422	$ (3)	$ (20)

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Quarterly Operating Results (Unaudited) - Quarterly results of consolidated operations (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Condensed Statement of Earnings
Revenues	$ 2,623	$ 2,060	$ 1,951	$ 1,275	$ 2,130	$ 2,123	$ 1,960	$ 2,024	$ 7,909	$ 8,237	$ 7,150
Net earnings, including noncontrolling interests	694	164	167	(304)	191	143	209	326	721	869	517
Net earnings (loss) attributable to shareholders	$ 692	$ 164	$ 177	$ (301)	$ 211	$ 147	$ 210	$ 329	$ 732	$ 897	$ 530
Earnings Attributable to Shareholders per Common Share:
Basic (USD per share)	$ 7.99	$ 1.86	$ 1.98	$ (3.34)	$ 2.33	$ 1.64	$ 2.34	$ 3.68	$ 8.25	$ 9.98	$ 5.95
Diluted (USD per share)	$ 7.93	$ 1.86	$ 1.97	$ (3.34)	$ 2.31	$ 1.62	$ 2.31	$ 3.63	$ 8.20	$ 9.85	$ 5.85
Average number of Common Shares:
Basic (shares)	86.6	88.2	89.7	90.3	90.2	90.0	89.7	89.4	88.7	89.9	89.0
Diluted (shares)	87.2	88.5	90.0	90.3	91.3	91.1	91.0	90.7	89.2	91.0	90.6

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Quarterly Operating Results (Unaudited) - Realized gains (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Quarterly Operating Results (Unaudited) [Line Items]
Realized gains (losses) on securities									$ 289	$ 287	$ (266)
Other Security Investments
Quarterly Operating Results (Unaudited) [Line Items]
Realized gains (losses) on securities	$ 384	$ 15	$ 2	$ (16)	$ (2)	$ (3)	$ 12	$ 2	385	9
Equity securities
Quarterly Operating Results (Unaudited) [Line Items]
Realized gains (losses) on securities									(96)	277	$ (265)
Equity securities | Accounting Standards Update 2016-01
Quarterly Operating Results (Unaudited) [Line Items]
Realized gains (losses) on securities	$ 207	$ 30	$ 202	$ (535)	$ 67	$ (15)	$ 44	$ 182	$ (96)	$ 278

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Quarterly Operating Results (Unaudited) - Net investment income (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Quarterly Operating Results (Unaudited) [Line Items]
Net investment income									$ 2,132	$ 2,303	$ 2,094
Excluding Alternative Investments
Quarterly Operating Results (Unaudited) [Line Items]
Net investment income	$ 465	$ 511	$ 520	$ 511	$ 545	$ 531	$ 531	$ 516	2,007	2,123
Alternative Investments
Quarterly Operating Results (Unaudited) [Line Items]
Net investment income	$ 83	$ 61	$ (52)	$ 33	$ 48	$ 57	$ 49	$ 26	$ 125	$ 180

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Quarterly Operating Results (Unaudited) - Impact of fair value accounting on annuities (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2020	Dec. 31, 2019
Quarterly Financial Information Disclosure [Abstract]
Impact of unlocking, changes in the fair value of derivatives, and changes in the stock market and interest rates on the accounting for FIAs	$ (48)	$ (43)	$ (59)	$ (38)	$ 24	$ (27)	$ (33)	$ (11)	$ (188)	$ (47)

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Quarterly Operating Results (Unaudited) - Favorable (adverse) prior year development of the liability for losses and LAE (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2020	Dec. 31, 2019
Quarterly Financial Information Disclosure [Abstract]
Prior year claims and claims adjustment expense	$ 8	$ 0	$ 77	$ 42	$ 45	$ 12	$ 41	$ 45	$ 127	$ 143

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Quarterly Operating Results (Unaudited) - Catastrophe losses (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2020	Dec. 31, 2019
Quarterly Financial Information Disclosure [Abstract]
Pretax catastrophe losses	$ (38)	$ (57)	$ (26)	$ (9)	$ (15)	$ (22)	$ (12)	$ (12)	$ (130)	$ (61)

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Insurance - Narrative (Details) - USD ($) $ in Millions	3 Months Ended								6 Months Ended	12 Months Ended
	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Jun. 30, 2020	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Insurance [Line Items]
Carrying value of cash and securities owned by U.S.-based insurance subsidiaries on deposit	$ 1,120									$ 1,120
Undrawn letters of credit	308									308
Undrawn letters of credit, collateralized	0									$ 0
Workers' compensation insurance discount rate										3.50%	4.50%
Workers' compensation insurance discount, which has reduced the liability for unpaid losses and loss adjustment expenses	9				$ 12					$ 9	$ 12
Pretax COVID-19 related losses			$ 105	$ 10						115
Prior year claims and claims adjustment expense	8	$ 0	$ 77	$ 42	45	$ 12	$ 41	$ 45		127	143
Long-term care insurance reserves, net of reinsurance recoverables	52				46					52	46
Dividends on common stock										(336)	(446)	$ (397)
Dividends payments without violating the most restrictive debt covenants, minimum	2,000									2,000
Catastrophe reinsurance coverage, excess retention amount										50
Catastrophe reinsurance coverage, retention amount										100
Ceded annuity receipts										492	0	0
Ceded annuity surrenders, benefits and withdrawals										206	0	0
Aggregate guaranteed minimum death benefit value on variable annuity polices in force	11				13					11	13
Retained Earnings
Insurance [Line Items]
Dividends on common stock										(336)	(446)	(397)
Allowance for reinsurance recoverables
Insurance [Line Items]
Net expense reduction against the allowance for losses on reinsurance recoverables												2
Maximum
Insurance [Line Items]
Maximum amount of dividends available to be paid by insurance subsidiaries to AFG without prior approval of regulatory authorities	705									$ 705
Maximum | Allowance for reinsurance recoverables
Insurance [Line Items]
Net expense reduction against the allowance for losses on reinsurance recoverables											1
Catastrophe Bonds
Insurance [Line Items]
Catastrophe reinsurance coverage, excess retention percentage										95.00%
Catastrophe reinsurance coverage, excess retention amount										$ 200
Catastrophe reinsurance coverage, retention amount										109
Catastrophe reinsurance coverage, annual cost										11
Life insurance
Insurance [Line Items]
Life insurance in force, ceded premiums	5,420				6,230					5,420	6,230
Life insurance in force, direct premiums	8,330				9,530					8,330	9,530
Reinsurance ceded										19	20	22
Reinsurance recoveries										28	32	38
Variable annuities | Maximum
Insurance [Line Items]
Death benefits paid in excess of the variable annuity account balances										1	1	1
Neon exited lines charge
Insurance [Line Items]
Prior year claims and claims adjustment expense										19	7	0
Property and casualty insurance | Other lines
Insurance [Line Items]
Special A&E charges		$ 47				$ 18				47	18	18
Neon Capital Limited | Property and casualty insurance | Other lines
Insurance [Line Items]
Pretax COVID-19 related losses									$ 20	20
Great American Life Insurance Company
Insurance [Line Items]
Investment in Federal Home Loan Bank capital stock	56									56
Proceeds advanced from Federal Home Loan										200
Repayments of advances from Federal Home Loan Bank										165
Advances from Federal Home Loan Bank	1,130				1,100					1,130	1,100
Repayments of advances from Federal Home Loan Bank due in next twelve months	931									931
Repayments of advances from Federal Home Loan Bank due in year five	200									200
Fair value of fixed maturity investments held as collateral by the Federal Home Loan Bank	$ 1,370									1,370
Interest on advances from Federal Home Loan Bank										$ 11	27	$ 20
Quota share coinsurance percentage										0.50
Inforce Annuity Business, Ceded, Percent of Total Inforce	15.00%
Deferred Loss on Ceded Reserves	$ 180
Amortization of deferred loss on reinsurance	11
Ceded annuity receipts										$ 492
Ceded annuity surrenders, benefits and withdrawals										206
Commission and expense allowances received from reinsurance contracts										39
Amount of annuity benefits expense reduction from reinsurance contracts										$ 46
Great American Life Insurance Company | Block Reinsurance
Insurance [Line Items]
Ceded Inforce Annuity Business	$ 5,960
Great American Life Insurance Company | Minimum
Insurance [Line Items]
Interest rates on Federal Home Loan Bank advances	0.31%									0.31%
Expected Life of Ceded Reserves	7 years
Great American Life Insurance Company | Maximum
Insurance [Line Items]
Interest rates on Federal Home Loan Bank advances	1.35%									1.35%
Expected Life of Ceded Reserves	10 years
Great American Life Insurance Company | Average
Insurance [Line Items]
Interest rates on Federal Home Loan Bank advances	0.53%									0.53%
Great American Life Insurance Company | FHLB, advances, refinanced terms
Insurance [Line Items]
Advances from Federal Home Loan Bank					$ 610						610
Great American Life Insurance Company | Life insurance
Insurance [Line Items]
Increases in statutory surplus from reinsurance treaty										$ 139	$ 124

XML

Insurance - Analysis of changes in the liability for losses and loss adjustment expenses, net of reinsurance (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Analysis of changes in the liability for losses and loss adjustment expenses, net of reinsurance
Balance at beginning of period				$ 10,232				$ 9,741	$ 10,232	$ 9,741	$ 9,678
Less reinsurance recoverables, net of allowance	$ 3,117				$ 3,024				3,117	3,024	2,942	$ 2,957
Net liability at beginning of period				7,208				6,799	7,208	6,799	6,721
Liability for losses and loss adjustment expenses, period increase (decrease) [Abstract]
Provision for losses and LAE occurring in the current year									3,398	3,414	3,195
Net increase (decrease) in the provision for claims of prior years:
Provision for claims of prior years related to special A&E charges, Neon exited lines development and other	8	$ 0	$ 77	$ 42	45	$ 12	$ 41	$ 45	127	143
Total losses and LAE incurred									3,271	3,271	3,003
Payments for losses and LAE of:
Current year									(990)	(1,076)	(963)
Prior years									(1,766)	(1,790)	(1,639)
Total payments									(2,756)	(2,866)	(2,602)
Reserves of businesses disposed									(449)	0	(319)
Foreign currency translation and other									1	4	(4)
Net liability at end of period	7,275				7,208				7,275	7,208	6,799
Add back reinsurance recoverables, net of allowance	3,117				3,024				3,117	3,024	2,942
Gross unpaid losses and LAE included in the balance sheet	$ 10,392				$ 10,232				10,392	10,232	9,741
Special A&E charges
Liability for losses and loss adjustment expenses, period increase (decrease) [Abstract]
Special A&E charges									47	18	18
Neon exited lines
Net increase (decrease) in the provision for claims of prior years:
Provision for claims of prior years related to special A&E charges, Neon exited lines development and other									19	7	0
Other
Net increase (decrease) in the provision for claims of prior years:
Provision for claims of prior years related to special A&E charges, Neon exited lines development and other									$ (193)	$ (168)	$ (210)

XML

Insurance - Reconciliation of incurred and paid claims development information to the aggregate carrying amount of the liability for unpaid losses and LAE (Details) - USD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Short-duration Insurance Contracts, Reconciliation of Claims Development to Liability [Line Items]
Total reserves, net of reinsurance	$ 7,275	$ 7,208	$ 6,799	$ 6,721
Reinsurance recoverables on asbestos and environmental reserves, net of allowance	3,117	3,024	2,942	2,957
Unpaid losses and loss adjustment expenses	10,392	$ 10,232	$ 9,741	$ 9,678
Property and casualty insurance
Short-duration Insurance Contracts, Reconciliation of Claims Development to Liability [Line Items]
Specialty unpaid losses and LAE, net of reinsurance	6,122
Other unpaid losses and LAE, net of reinsurance	1,153
Unallocated LAE	361
Total reserves, net of reinsurance	7,275
Reinsurance recoverables on asbestos and environmental reserves, net of allowance	3,117
Unpaid losses and loss adjustment expenses	10,392
Property and casualty insurance | Reserves for foreign operations
Short-duration Insurance Contracts, Reconciliation of Claims Development to Liability [Line Items]
Other unpaid losses and LAE, net of reinsurance	314
Property and casualty insurance | A&E reserves
Short-duration Insurance Contracts, Reconciliation of Claims Development to Liability [Line Items]
Other unpaid losses and LAE, net of reinsurance	422
Property and casualty insurance | Other
Short-duration Insurance Contracts, Reconciliation of Claims Development to Liability [Line Items]
Other unpaid losses and LAE, net of reinsurance	56
Property and casualty insurance | Property and transportation
Short-duration Insurance Contracts, Reconciliation of Claims Development to Liability [Line Items]
Specialty unpaid losses and LAE, net of reinsurance	1,196
Property and casualty insurance | Specialty casualty
Short-duration Insurance Contracts, Reconciliation of Claims Development to Liability [Line Items]
Specialty unpaid losses and LAE, net of reinsurance	4,302
Property and casualty insurance | Specialty financial
Short-duration Insurance Contracts, Reconciliation of Claims Development to Liability [Line Items]
Specialty unpaid losses and LAE, net of reinsurance	247
Property and casualty insurance | Other specialty
Short-duration Insurance Contracts, Reconciliation of Claims Development to Liability [Line Items]
Specialty unpaid losses and LAE, net of reinsurance	$ 377

XML

Insurance - Short-duration insurance contracts, claims development (Details) - Property and casualty insurance $ in Millions	Dec. 31, 2020 USD ($) claim	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)	Dec. 31, 2012 USD ($)	Dec. 31, 2011 USD ($)
Claims Development [Line Items]
Incurred Claims and Allocated LAE, Net of Reinsurance	$ 21,886
Cumulative Paid Claims and Allocated LAE, Net of Reinsurance	16,231
Unpaid losses and LAE — 11th year and prior (excluding unallocated LAE)	467
Unpaid losses and LAE, net of reinsurance (excluding unallocated LAE)	6,122
Accident Year 2011
Claims Development [Line Items]
Incurred Claims and Allocated LAE, Net of Reinsurance	1,829	$ 1,832	$ 1,843	$ 1,859	$ 1,866	$ 1,861	$ 1,871	$ 1,849	$ 1,848	$ 1,840
Total IBNR Plus Expected Development on Reported Claims	$ 35
Cumulative Number of Reported Claims | claim	209,666
Cumulative Paid Claims and Allocated LAE, Net of Reinsurance	$ 1,762	1,750	1,734	1,711	1,682	1,629	1,534	1,389	1,181	609
Cumulative Percentage Paid of Incurred Claims and Allocated LAE, Net of Reinsurance	96.30%
Accident Year 2012
Claims Development [Line Items]
Incurred Claims and Allocated LAE, Net of Reinsurance	$ 1,875	1,886	1,906	1,941	1,955	1,947	1,946	1,952	1,970
Total IBNR Plus Expected Development on Reported Claims	$ 43
Cumulative Number of Reported Claims | claim	218,995
Cumulative Paid Claims and Allocated LAE, Net of Reinsurance	$ 1,805	1,788	1,785	1,735	1,675	1,579	1,418	1,214	824
Cumulative Percentage Paid of Incurred Claims and Allocated LAE, Net of Reinsurance	96.30%
Accident Year 2013
Claims Development [Line Items]
Incurred Claims and Allocated LAE, Net of Reinsurance	$ 1,956	1,969	1,982	2,000	1,996	2,000	2,011	2,036
Total IBNR Plus Expected Development on Reported Claims	$ 65
Cumulative Number of Reported Claims | claim	222,463
Cumulative Paid Claims and Allocated LAE, Net of Reinsurance	$ 1,851	1,824	1,774	1,714	1,617	1,443	1,214	697
Cumulative Percentage Paid of Incurred Claims and Allocated LAE, Net of Reinsurance	94.60%
Accident Year 2014
Claims Development [Line Items]
Incurred Claims and Allocated LAE, Net of Reinsurance	$ 1,957	1,978	2,004	2,038	2,040	2,050	2,083
Total IBNR Plus Expected Development on Reported Claims	$ 88
Cumulative Number of Reported Claims | claim	219,309
Cumulative Paid Claims and Allocated LAE, Net of Reinsurance	$ 1,812	1,773	1,705	1,588	1,422	1,174	594
Cumulative Percentage Paid of Incurred Claims and Allocated LAE, Net of Reinsurance	92.60%
Accident Year 2015
Claims Development [Line Items]
Incurred Claims and Allocated LAE, Net of Reinsurance	$ 2,013	2,022	2,038	2,041	2,047	2,114
Total IBNR Plus Expected Development on Reported Claims	$ 125
Cumulative Number of Reported Claims | claim	230,235
Cumulative Paid Claims and Allocated LAE, Net of Reinsurance	$ 1,791	1,722	1,592	1,404	1,129	619
Cumulative Percentage Paid of Incurred Claims and Allocated LAE, Net of Reinsurance	89.00%
Accident Year 2016
Claims Development [Line Items]
Incurred Claims and Allocated LAE, Net of Reinsurance	$ 2,034	2,060	2,082	2,083	2,117
Total IBNR Plus Expected Development on Reported Claims	$ 213
Cumulative Number of Reported Claims | claim	222,410
Cumulative Paid Claims and Allocated LAE, Net of Reinsurance	$ 1,662	1,539	1,350	1,099	577
Cumulative Percentage Paid of Incurred Claims and Allocated LAE, Net of Reinsurance	81.70%
Accident Year 2017
Claims Development [Line Items]
Incurred Claims and Allocated LAE, Net of Reinsurance	$ 2,301	2,329	2,348	2,375
Total IBNR Plus Expected Development on Reported Claims	$ 342
Cumulative Number of Reported Claims | claim	245,799
Cumulative Paid Claims and Allocated LAE, Net of Reinsurance	$ 1,736	1,524	1,250	709
Cumulative Percentage Paid of Incurred Claims and Allocated LAE, Net of Reinsurance	75.40%
Accident Year 2018
Claims Development [Line Items]
Incurred Claims and Allocated LAE, Net of Reinsurance	$ 2,499	2,516	2,507
Total IBNR Plus Expected Development on Reported Claims	$ 552
Cumulative Number of Reported Claims | claim	234,457
Cumulative Paid Claims and Allocated LAE, Net of Reinsurance	$ 1,606	1,337	730
Cumulative Percentage Paid of Incurred Claims and Allocated LAE, Net of Reinsurance	64.30%
Accident Year 2019
Claims Development [Line Items]
Incurred Claims and Allocated LAE, Net of Reinsurance	$ 2,674	2,721
Total IBNR Plus Expected Development on Reported Claims	$ 797
Cumulative Number of Reported Claims | claim	250,429
Cumulative Paid Claims and Allocated LAE, Net of Reinsurance	$ 1,448	847
Cumulative Percentage Paid of Incurred Claims and Allocated LAE, Net of Reinsurance	54.20%
Accident year 2020
Claims Development [Line Items]
Incurred Claims and Allocated LAE, Net of Reinsurance	$ 2,748
Total IBNR Plus Expected Development on Reported Claims	$ 1,410
Cumulative Number of Reported Claims | claim	182,219
Cumulative Paid Claims and Allocated LAE, Net of Reinsurance	$ 758
Cumulative Percentage Paid of Incurred Claims and Allocated LAE, Net of Reinsurance	27.60%
Excludes short-duration insurance contracts detail for accident years not separately presented
Claims Development [Line Items]
Unpaid losses and LAE, net of reinsurance (excluding unallocated LAE)	$ 5,655
Property and transportation
Claims Development [Line Items]
Incurred Claims and Allocated LAE, Net of Reinsurance	8,673
Cumulative Paid Claims and Allocated LAE, Net of Reinsurance	7,497
Unpaid losses and LAE — 11th year and prior (excluding unallocated LAE)	20
Unpaid losses and LAE, net of reinsurance (excluding unallocated LAE)	1,196
Property and transportation | Accident Year 2011
Claims Development [Line Items]
Incurred Claims and Allocated LAE, Net of Reinsurance	843	843	844	846	850	837	827	813	799	811
Total IBNR Plus Expected Development on Reported Claims	$ 4
Cumulative Number of Reported Claims | claim	138,334
Cumulative Paid Claims and Allocated LAE, Net of Reinsurance	$ 835	834	833	829	821	803	771	727	667	365
Cumulative Percentage Paid of Incurred Claims and Allocated LAE, Net of Reinsurance	99.10%
Property and transportation | Accident Year 2012
Claims Development [Line Items]
Incurred Claims and Allocated LAE, Net of Reinsurance	$ 879	881	886	890	894	883	871	857	864
Total IBNR Plus Expected Development on Reported Claims	$ 4
Cumulative Number of Reported Claims | claim	143,151
Cumulative Paid Claims and Allocated LAE, Net of Reinsurance	$ 872	869	882	856	842	816	772	708	572
Cumulative Percentage Paid of Incurred Claims and Allocated LAE, Net of Reinsurance	99.20%
Property and transportation | Accident Year 2013
Claims Development [Line Items]
Incurred Claims and Allocated LAE, Net of Reinsurance	$ 871	873	877	878	878	872	870	882
Total IBNR Plus Expected Development on Reported Claims	$ 7
Cumulative Number of Reported Claims | claim	138,925
Cumulative Paid Claims and Allocated LAE, Net of Reinsurance	$ 860	858	847	831	804	760	702	438
Cumulative Percentage Paid of Incurred Claims and Allocated LAE, Net of Reinsurance	98.70%
Property and transportation | Accident Year 2014
Claims Development [Line Items]
Incurred Claims and Allocated LAE, Net of Reinsurance	$ 804	808	815	820	817	828	844
Total IBNR Plus Expected Development on Reported Claims	$ 8
Cumulative Number of Reported Claims | claim	133,182
Cumulative Paid Claims and Allocated LAE, Net of Reinsurance	$ 789	783	770	744	693	632	329
Cumulative Percentage Paid of Incurred Claims and Allocated LAE, Net of Reinsurance	98.10%
Property and transportation | Accident Year 2015
Claims Development [Line Items]
Incurred Claims and Allocated LAE, Net of Reinsurance	$ 772	777	777	779	784	818
Total IBNR Plus Expected Development on Reported Claims	$ 15
Cumulative Number of Reported Claims | claim	134,875
Cumulative Paid Claims and Allocated LAE, Net of Reinsurance	$ 744	736	707	667	582	359
Cumulative Percentage Paid of Incurred Claims and Allocated LAE, Net of Reinsurance	96.40%
Property and transportation | Accident Year 2016
Claims Development [Line Items]
Incurred Claims and Allocated LAE, Net of Reinsurance	$ 694	706	714	716	746
Total IBNR Plus Expected Development on Reported Claims	$ 25
Cumulative Number of Reported Claims | claim	121,116
Cumulative Paid Claims and Allocated LAE, Net of Reinsurance	$ 640	618	577	521	294
Cumulative Percentage Paid of Incurred Claims and Allocated LAE, Net of Reinsurance	92.20%
Property and transportation | Accident Year 2017
Claims Development [Line Items]
Incurred Claims and Allocated LAE, Net of Reinsurance	$ 823	843	847	889
Total IBNR Plus Expected Development on Reported Claims	$ 39
Cumulative Number of Reported Claims | claim	140,549
Cumulative Paid Claims and Allocated LAE, Net of Reinsurance	$ 735	696	640	379
Cumulative Percentage Paid of Incurred Claims and Allocated LAE, Net of Reinsurance	89.30%
Property and transportation | Accident Year 2018
Claims Development [Line Items]
Incurred Claims and Allocated LAE, Net of Reinsurance	$ 886	902	932
Total IBNR Plus Expected Development on Reported Claims	$ 69
Cumulative Number of Reported Claims | claim	129,891
Cumulative Paid Claims and Allocated LAE, Net of Reinsurance	$ 738	676	396
Cumulative Percentage Paid of Incurred Claims and Allocated LAE, Net of Reinsurance	83.30%
Property and transportation | Accident Year 2019
Claims Development [Line Items]
Incurred Claims and Allocated LAE, Net of Reinsurance	$ 1,058	1,111
Total IBNR Plus Expected Development on Reported Claims	$ 125
Cumulative Number of Reported Claims | claim	152,304
Cumulative Paid Claims and Allocated LAE, Net of Reinsurance	$ 823	527
Cumulative Percentage Paid of Incurred Claims and Allocated LAE, Net of Reinsurance	77.80%
Property and transportation | Accident year 2020
Claims Development [Line Items]
Incurred Claims and Allocated LAE, Net of Reinsurance	$ 1,043
Total IBNR Plus Expected Development on Reported Claims	$ 349
Cumulative Number of Reported Claims | claim	109,446
Cumulative Paid Claims and Allocated LAE, Net of Reinsurance	$ 461
Cumulative Percentage Paid of Incurred Claims and Allocated LAE, Net of Reinsurance	44.20%
Property and transportation | Excludes short-duration insurance contracts detail for accident years not separately presented
Claims Development [Line Items]
Unpaid losses and LAE, net of reinsurance (excluding unallocated LAE)	$ 1,176
Specialty casualty
Claims Development [Line Items]
Incurred Claims and Allocated LAE, Net of Reinsurance	10,763
Cumulative Paid Claims and Allocated LAE, Net of Reinsurance	6,876
Unpaid losses and LAE — 11th year and prior (excluding unallocated LAE)	415
Unpaid losses and LAE, net of reinsurance (excluding unallocated LAE)	4,302
Specialty casualty | Accident Year 2011
Claims Development [Line Items]
Incurred Claims and Allocated LAE, Net of Reinsurance	808	810	817	826	828	834	848	839	849	852
Total IBNR Plus Expected Development on Reported Claims	$ 29
Cumulative Number of Reported Claims | claim	54,961
Cumulative Paid Claims and Allocated LAE, Net of Reinsurance	$ 755	745	731	714	694	662	612	522	383	174
Cumulative Percentage Paid of Incurred Claims and Allocated LAE, Net of Reinsurance	93.40%
Specialty casualty | Accident Year 2012
Claims Development [Line Items]
Incurred Claims and Allocated LAE, Net of Reinsurance	$ 833	842	849	877	883	885	885	892	901
Total IBNR Plus Expected Development on Reported Claims	$ 35
Cumulative Number of Reported Claims | claim	54,752
Cumulative Paid Claims and Allocated LAE, Net of Reinsurance	$ 775	761	745	723	684	621	516	385	173
Cumulative Percentage Paid of Incurred Claims and Allocated LAE, Net of Reinsurance	93.00%
Specialty casualty | Accident Year 2013
Claims Development [Line Items]
Incurred Claims and Allocated LAE, Net of Reinsurance	$ 905	916	926	945	940	945	949	968
Total IBNR Plus Expected Development on Reported Claims	$ 53
Cumulative Number of Reported Claims | claim	55,063
Cumulative Paid Claims and Allocated LAE, Net of Reinsurance	$ 820	797	766	729	666	554	396	182
Cumulative Percentage Paid of Incurred Claims and Allocated LAE, Net of Reinsurance	90.60%
Specialty casualty | Accident Year 2014
Claims Development [Line Items]
Incurred Claims and Allocated LAE, Net of Reinsurance	$ 952	967	982	1,006	1,008	1,008	1,035
Total IBNR Plus Expected Development on Reported Claims	$ 71
Cumulative Number of Reported Claims | claim	56,669
Cumulative Paid Claims and Allocated LAE, Net of Reinsurance	$ 829	801	755	680	574	412	190
Cumulative Percentage Paid of Incurred Claims and Allocated LAE, Net of Reinsurance	87.10%
Specialty casualty | Accident Year 2015
Claims Development [Line Items]
Incurred Claims and Allocated LAE, Net of Reinsurance	$ 1,021	1,024	1,042	1,041	1,043	1,081
Total IBNR Plus Expected Development on Reported Claims	$ 99
Cumulative Number of Reported Claims | claim	57,745
Cumulative Paid Claims and Allocated LAE, Net of Reinsurance	$ 844	792	702	577	411	178
Cumulative Percentage Paid of Incurred Claims and Allocated LAE, Net of Reinsurance	82.70%
Specialty casualty | Accident Year 2016
Claims Development [Line Items]
Incurred Claims and Allocated LAE, Net of Reinsurance	$ 1,090	1,101	1,116	1,122	1,131
Total IBNR Plus Expected Development on Reported Claims	$ 164
Cumulative Number of Reported Claims | claim	56,169
Cumulative Paid Claims and Allocated LAE, Net of Reinsurance	$ 806	713	584	418	186
Cumulative Percentage Paid of Incurred Claims and Allocated LAE, Net of Reinsurance	73.90%
Specialty casualty | Accident Year 2017
Claims Development [Line Items]
Incurred Claims and Allocated LAE, Net of Reinsurance	$ 1,189	1,204	1,221	1,211
Total IBNR Plus Expected Development on Reported Claims	$ 275
Cumulative Number of Reported Claims | claim	56,558
Cumulative Paid Claims and Allocated LAE, Net of Reinsurance	$ 755	612	422	200
Cumulative Percentage Paid of Incurred Claims and Allocated LAE, Net of Reinsurance	63.50%
Specialty casualty | Accident Year 2018
Claims Development [Line Items]
Incurred Claims and Allocated LAE, Net of Reinsurance	$ 1,302	1,307	1,277
Total IBNR Plus Expected Development on Reported Claims	$ 416
Cumulative Number of Reported Claims | claim	58,079
Cumulative Paid Claims and Allocated LAE, Net of Reinsurance	$ 649	475	210
Cumulative Percentage Paid of Incurred Claims and Allocated LAE, Net of Reinsurance	49.80%
Specialty casualty | Accident Year 2019
Claims Development [Line Items]
Incurred Claims and Allocated LAE, Net of Reinsurance	$ 1,311	1,308
Total IBNR Plus Expected Development on Reported Claims	$ 571
Cumulative Number of Reported Claims | claim	56,950
Cumulative Paid Claims and Allocated LAE, Net of Reinsurance	$ 455	212
Cumulative Percentage Paid of Incurred Claims and Allocated LAE, Net of Reinsurance	34.70%
Specialty casualty | Accident year 2020
Claims Development [Line Items]
Incurred Claims and Allocated LAE, Net of Reinsurance	$ 1,352
Total IBNR Plus Expected Development on Reported Claims	$ 844
Cumulative Number of Reported Claims | claim	48,294
Cumulative Paid Claims and Allocated LAE, Net of Reinsurance	$ 188
Cumulative Percentage Paid of Incurred Claims and Allocated LAE, Net of Reinsurance	13.90%
Specialty casualty | Excludes short-duration insurance contracts detail for accident years not separately presented
Claims Development [Line Items]
Unpaid losses and LAE, net of reinsurance (excluding unallocated LAE)	$ 3,887
Specialty financial
Claims Development [Line Items]
Incurred Claims and Allocated LAE, Net of Reinsurance	1,690
Cumulative Paid Claims and Allocated LAE, Net of Reinsurance	1,441
Unpaid losses and LAE — 11th year and prior (excluding unallocated LAE)	(2)
Unpaid losses and LAE, net of reinsurance (excluding unallocated LAE)	247
Specialty financial | Accident Year 2011
Claims Development [Line Items]
Incurred Claims and Allocated LAE, Net of Reinsurance	137	137	139	143	144	147	153	155	157	138
Total IBNR Plus Expected Development on Reported Claims	$ 0
Cumulative Number of Reported Claims | claim	16,371
Cumulative Paid Claims and Allocated LAE, Net of Reinsurance	$ 133	132	132	131	131	130	123	115	111	58
Cumulative Percentage Paid of Incurred Claims and Allocated LAE, Net of Reinsurance	97.10%
Specialty financial | Accident Year 2012
Claims Development [Line Items]
Incurred Claims and Allocated LAE, Net of Reinsurance	$ 126	127	132	135	137	139	151	163	163
Total IBNR Plus Expected Development on Reported Claims	$ 2
Cumulative Number of Reported Claims | claim	21,092
Cumulative Paid Claims and Allocated LAE, Net of Reinsurance	$ 125	126	128	126	121	117	109	104	71
Cumulative Percentage Paid of Incurred Claims and Allocated LAE, Net of Reinsurance	99.20%
Specialty financial | Accident Year 2013
Claims Development [Line Items]
Incurred Claims and Allocated LAE, Net of Reinsurance	$ 122	122	126	127	131	137	145	140
Total IBNR Plus Expected Development on Reported Claims	$ 4
Cumulative Number of Reported Claims | claim	28,475
Cumulative Paid Claims and Allocated LAE, Net of Reinsurance	$ 118	118	117	117	113	107	100	70
Cumulative Percentage Paid of Incurred Claims and Allocated LAE, Net of Reinsurance	96.70%
Specialty financial | Accident Year 2014
Claims Development [Line Items]
Incurred Claims and Allocated LAE, Net of Reinsurance	$ 137	142	147	153	156	157	146
Total IBNR Plus Expected Development on Reported Claims	$ 2
Cumulative Number of Reported Claims | claim	29,458
Cumulative Paid Claims and Allocated LAE, Net of Reinsurance	$ 141	139	137	128	125	109	62
Cumulative Percentage Paid of Incurred Claims and Allocated LAE, Net of Reinsurance	102.90%
Specialty financial | Accident Year 2015
Claims Development [Line Items]
Incurred Claims and Allocated LAE, Net of Reinsurance	$ 138	145	153	158	160	156
Total IBNR Plus Expected Development on Reported Claims	$ 4
Cumulative Number of Reported Claims | claim	37,615
Cumulative Paid Claims and Allocated LAE, Net of Reinsurance	$ 134	132	133	129	110	72
Cumulative Percentage Paid of Incurred Claims and Allocated LAE, Net of Reinsurance	97.10%
Specialty financial | Accident Year 2016
Claims Development [Line Items]
Incurred Claims and Allocated LAE, Net of Reinsurance	$ 174	182	187	184	179
Total IBNR Plus Expected Development on Reported Claims	$ 8
Cumulative Number of Reported Claims | claim	45,125
Cumulative Paid Claims and Allocated LAE, Net of Reinsurance	$ 163	161	158	141	88
Cumulative Percentage Paid of Incurred Claims and Allocated LAE, Net of Reinsurance	93.70%
Specialty financial | Accident Year 2017
Claims Development [Line Items]
Incurred Claims and Allocated LAE, Net of Reinsurance	$ 208	212	215	212
Total IBNR Plus Expected Development on Reported Claims	$ 15
Cumulative Number of Reported Claims | claim	48,692
Cumulative Paid Claims and Allocated LAE, Net of Reinsurance	$ 194	186	169	120
Cumulative Percentage Paid of Incurred Claims and Allocated LAE, Net of Reinsurance	93.30%
Specialty financial | Accident Year 2018
Claims Development [Line Items]
Incurred Claims and Allocated LAE, Net of Reinsurance	$ 219	217	212
Total IBNR Plus Expected Development on Reported Claims	$ 27
Cumulative Number of Reported Claims | claim	46,487
Cumulative Paid Claims and Allocated LAE, Net of Reinsurance	$ 187	163	112
Cumulative Percentage Paid of Incurred Claims and Allocated LAE, Net of Reinsurance	85.40%
Specialty financial | Accident Year 2019
Claims Development [Line Items]
Incurred Claims and Allocated LAE, Net of Reinsurance	$ 198	194
Total IBNR Plus Expected Development on Reported Claims	$ 37
Cumulative Number of Reported Claims | claim	41,175
Cumulative Paid Claims and Allocated LAE, Net of Reinsurance	$ 146	99
Cumulative Percentage Paid of Incurred Claims and Allocated LAE, Net of Reinsurance	73.70%
Specialty financial | Accident year 2020
Claims Development [Line Items]
Incurred Claims and Allocated LAE, Net of Reinsurance	$ 231
Total IBNR Plus Expected Development on Reported Claims	$ 115
Cumulative Number of Reported Claims | claim	24,479
Cumulative Paid Claims and Allocated LAE, Net of Reinsurance	$ 100
Cumulative Percentage Paid of Incurred Claims and Allocated LAE, Net of Reinsurance	43.30%
Specialty financial | Excludes short-duration insurance contracts detail for accident years not separately presented
Claims Development [Line Items]
Unpaid losses and LAE, net of reinsurance (excluding unallocated LAE)	$ 249
Other specialty
Claims Development [Line Items]
Incurred Claims and Allocated LAE, Net of Reinsurance	760
Cumulative Paid Claims and Allocated LAE, Net of Reinsurance	417
Unpaid losses and LAE — 11th year and prior (excluding unallocated LAE)	34
Unpaid losses and LAE, net of reinsurance (excluding unallocated LAE)	377
Other specialty | Accident Year 2011
Claims Development [Line Items]
Incurred Claims and Allocated LAE, Net of Reinsurance	41	42	43	44	44	43	43	42	43	39
Total IBNR Plus Expected Development on Reported Claims	$ 2
Cumulative Number of Reported Claims | claim	0
Cumulative Paid Claims and Allocated LAE, Net of Reinsurance	$ 39	39	38	37	36	34	28	25	20	$ 12
Cumulative Percentage Paid of Incurred Claims and Allocated LAE, Net of Reinsurance	95.10%
Other specialty | Accident Year 2012
Claims Development [Line Items]
Incurred Claims and Allocated LAE, Net of Reinsurance	$ 37	36	39	39	41	40	39	40	42
Total IBNR Plus Expected Development on Reported Claims	$ 2
Cumulative Number of Reported Claims | claim	0
Cumulative Paid Claims and Allocated LAE, Net of Reinsurance	$ 33	32	30	30	28	25	21	17	$ 8
Cumulative Percentage Paid of Incurred Claims and Allocated LAE, Net of Reinsurance	89.20%
Other specialty | Accident Year 2013
Claims Development [Line Items]
Incurred Claims and Allocated LAE, Net of Reinsurance	$ 58	58	53	50	47	46	47	46
Total IBNR Plus Expected Development on Reported Claims	$ 1
Cumulative Number of Reported Claims | claim	0
Cumulative Paid Claims and Allocated LAE, Net of Reinsurance	$ 53	51	44	37	34	22	16	$ 7
Cumulative Percentage Paid of Incurred Claims and Allocated LAE, Net of Reinsurance	91.40%
Other specialty | Accident Year 2014
Claims Development [Line Items]
Incurred Claims and Allocated LAE, Net of Reinsurance	$ 64	61	60	59	59	57	58
Total IBNR Plus Expected Development on Reported Claims	$ 7
Cumulative Number of Reported Claims | claim	0
Cumulative Paid Claims and Allocated LAE, Net of Reinsurance	$ 53	50	43	36	30	21	$ 13
Cumulative Percentage Paid of Incurred Claims and Allocated LAE, Net of Reinsurance	82.80%
Other specialty | Accident Year 2015
Claims Development [Line Items]
Incurred Claims and Allocated LAE, Net of Reinsurance	$ 82	76	66	63	60	59
Total IBNR Plus Expected Development on Reported Claims	$ 7
Cumulative Number of Reported Claims | claim	0
Cumulative Paid Claims and Allocated LAE, Net of Reinsurance	$ 69	62	50	31	26	$ 10
Cumulative Percentage Paid of Incurred Claims and Allocated LAE, Net of Reinsurance	84.10%
Other specialty | Accident Year 2016
Claims Development [Line Items]
Incurred Claims and Allocated LAE, Net of Reinsurance	$ 76	71	65	61	61
Total IBNR Plus Expected Development on Reported Claims	$ 16
Cumulative Number of Reported Claims | claim	0
Cumulative Paid Claims and Allocated LAE, Net of Reinsurance	$ 53	47	31	19	$ 9
Cumulative Percentage Paid of Incurred Claims and Allocated LAE, Net of Reinsurance	69.70%
Other specialty | Accident Year 2017
Claims Development [Line Items]
Incurred Claims and Allocated LAE, Net of Reinsurance	$ 81	70	65	63
Total IBNR Plus Expected Development on Reported Claims	$ 13
Cumulative Number of Reported Claims | claim	0
Cumulative Paid Claims and Allocated LAE, Net of Reinsurance	$ 52	30	19	$ 10
Cumulative Percentage Paid of Incurred Claims and Allocated LAE, Net of Reinsurance	64.20%
Other specialty | Accident Year 2018
Claims Development [Line Items]
Incurred Claims and Allocated LAE, Net of Reinsurance	$ 92	90	86
Total IBNR Plus Expected Development on Reported Claims	$ 40
Cumulative Number of Reported Claims | claim	0
Cumulative Paid Claims and Allocated LAE, Net of Reinsurance	$ 32	23	$ 12
Cumulative Percentage Paid of Incurred Claims and Allocated LAE, Net of Reinsurance	34.80%
Other specialty | Accident Year 2019
Claims Development [Line Items]
Incurred Claims and Allocated LAE, Net of Reinsurance	$ 107	108
Total IBNR Plus Expected Development on Reported Claims	$ 64
Cumulative Number of Reported Claims | claim	0
Cumulative Paid Claims and Allocated LAE, Net of Reinsurance	$ 24	$ 9
Cumulative Percentage Paid of Incurred Claims and Allocated LAE, Net of Reinsurance	22.40%
Other specialty | Accident year 2020
Claims Development [Line Items]
Incurred Claims and Allocated LAE, Net of Reinsurance	$ 122
Total IBNR Plus Expected Development on Reported Claims	$ 102
Cumulative Number of Reported Claims | claim	0
Cumulative Paid Claims and Allocated LAE, Net of Reinsurance	$ 9
Cumulative Percentage Paid of Incurred Claims and Allocated LAE, Net of Reinsurance	7.40%
Other specialty | Excludes short-duration insurance contracts detail for accident years not separately presented
Claims Development [Line Items]
Unpaid losses and LAE, net of reinsurance (excluding unallocated LAE)	$ 343

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Insurance - Short-duration insurance contracts, historical claims duration (Details) - Property and casualty insurance	Dec. 31, 2020
Average Annual Percentage Payout of Incurred Claims by Age, Net of Reinsurance [Line Items]
Year 1	32.20%
Year 2	25.50%
Year 3	11.90%
Year 4	8.80%
Year 5	5.60%
Year 6	3.20%
Year 7	2.20%
Year 8	0.90%
Year 9	0.90%
Year 10	0.70%
Year 1, Cumulative	32.20%
Year 2, Cumulative	57.70%
Year 3, Cumulative	69.60%
Year 4, Cumulative	78.40%
Year 5, Cumulative	84.00%
Year 6, Cumulative	87.20%
Year 7, Cumulative	89.40%
Year 8, Cumulative	90.30%
Year 9, Cumulative	91.20%
Year 10, Cumulative	91.90%
Property and transportation
Average Annual Percentage Payout of Incurred Claims by Age, Net of Reinsurance [Line Items]
Year 1	47.30%
Year 2	30.20%
Year 3	7.70%
Year 4	5.30%
Year 5	3.30%
Year 6	1.60%
Year 7	1.50%
Year 8	(0.30%)
Year 9	0.20%
Year 10	0.10%
Year 1, Cumulative	47.30%
Year 2, Cumulative	77.50%
Year 3, Cumulative	85.20%
Year 4, Cumulative	90.50%
Year 5, Cumulative	93.80%
Year 6, Cumulative	95.40%
Year 7, Cumulative	96.90%
Year 8, Cumulative	96.60%
Year 9, Cumulative	96.80%
Year 10, Cumulative	96.90%
Specialty casualty
Average Annual Percentage Payout of Incurred Claims by Age, Net of Reinsurance [Line Items]
Year 1	18.00%
Year 2	22.20%
Year 3	16.00%
Year 4	11.90%
Year 5	7.70%
Year 6	4.50%
Year 7	2.90%
Year 8	2.20%
Year 9	1.70%
Year 10	1.20%
Year 1, Cumulative	18.00%
Year 2, Cumulative	40.20%
Year 3, Cumulative	56.20%
Year 4, Cumulative	68.10%
Year 5, Cumulative	75.80%
Year 6, Cumulative	80.30%
Year 7, Cumulative	83.20%
Year 8, Cumulative	85.40%
Year 9, Cumulative	87.10%
Year 10, Cumulative	88.30%
Specialty financial
Average Annual Percentage Payout of Incurred Claims by Age, Net of Reinsurance [Line Items]
Year 1	50.60%
Year 2	28.00%
Year 3	8.40%
Year 4	4.00%
Year 5	3.10%
Year 6	1.50%
Year 7	1.00%
Year 8	(0.30%)
Year 9	(0.40%)
Year 10	0.70%
Year 1, Cumulative	50.60%
Year 2, Cumulative	78.60%
Year 3, Cumulative	87.00%
Year 4, Cumulative	91.00%
Year 5, Cumulative	94.10%
Year 6, Cumulative	95.60%
Year 7, Cumulative	96.60%
Year 8, Cumulative	96.30%
Year 9, Cumulative	95.90%
Year 10, Cumulative	96.60%
Other specialty
Average Annual Percentage Payout of Incurred Claims by Age, Net of Reinsurance [Line Items]
Year 1	14.80%
Year 2	15.70%
Year 3	11.60%
Year 4	17.10%
Year 5	10.20%
Year 6	8.40%
Year 7	4.80%
Year 8	3.80%
Year 9	2.60%
Year 10	0.00%
Year 1, Cumulative	14.80%
Year 2, Cumulative	30.50%
Year 3, Cumulative	42.10%
Year 4, Cumulative	59.20%
Year 5, Cumulative	69.40%
Year 6, Cumulative	77.80%
Year 7, Cumulative	82.60%
Year 8, Cumulative	86.40%
Year 9, Cumulative	89.00%
Year 10, Cumulative	89.00%

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Insurance - Net earnings and capital and surplus on a statutory basis for the insurance subsidiaries (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Property and casualty companies
Statutory information
Net Earnings	$ 481	$ 584	$ 546
Capital and Surplus	3,643	3,342
Life (annuity) insurance companies
Statutory information
Net Earnings	209	34	$ 802
Capital and Surplus	$ 2,897	$ 2,868

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Insurance - Reinsurance information table including assumed, ceded, and recoveries (Details) - Property and casualty insurance - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Effects of Reinsurance [Line Items]
Direct premiums written	$ 6,862	$ 7,044	$ 6,626
Reinsurance assumed	225	255	214
Reinsurance ceded	(2,074)	(1,957)	(1,817)
Net written premiums	5,013	5,342	5,023
Direct premiums earned	6,846	6,848	6,472
Reinsurance assumed	237	226	204
Reinsurance ceded	(1,984)	(1,889)	(1,811)
Net earned premiums	5,099	5,185	4,865
Reinsurance recoveries	$ 1,522	$ 1,404	$ 1,249

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Insurance - Recoverables from reinsurance, progression of allowance for expected credit losses (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Jan. 01, 2020
Reinsurance Recoverable, Allowance for Credit Loss [Roll Forward]
Beginning balance	$ 18
Impact of adoption of new accounting policy	13	$ 6
Provision for expected credit losses	2
Write-offs charged against the allowance	0
Businesses disposed	(1)
Ending balance	13
Property and casualty insurance
Reinsurance Recoverable, Allowance for Credit Loss [Roll Forward]
Beginning balance	18
Impact of adoption of new accounting policy	6	11
Provision for expected credit losses	0
Write-offs charged against the allowance	0
Businesses disposed	(1)
Ending balance	6
Annuity
Reinsurance Recoverable, Allowance for Credit Loss [Roll Forward]
Beginning balance	0
Impact of adoption of new accounting policy	0	0
Provision for expected credit losses	0
Write-offs charged against the allowance	0
Businesses disposed	0
Ending balance	0
Other
Reinsurance Recoverable, Allowance for Credit Loss [Roll Forward]
Beginning balance	0
Impact of adoption of new accounting policy	7	$ (5)
Provision for expected credit losses	2
Write-offs charged against the allowance	0
Businesses disposed	0
Ending balance	$ 7

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Insurance - Premiums receivable, progression of allowance for expected credit losses (Details) - Property and casualty insurance - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Jan. 01, 2020
Premium Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	$ 13
Impact of adoption of new accounting policy	10	$ 3
Provision for expected credit losses	1
Write-offs charged against the allowance	(1)
Businesses disposed	0
Ending balance	$ 10

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Insurance - Liabilities for excess benefits expected to be paid on future deaths and annuitizations, guaranteed withdrawal benefits and accrued persistency and premium bonuses (Details) - USD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019
Insurance [Abstract]
Expected death and annuitization	$ 260	$ 232
Guaranteed withdrawal benefits	817	625
Accrued persistency and premium bonuses	$ 0	$ 1

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Additional Information - Narrative (Details) $ in Millions	12 Months Ended
	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)
Allowance for reinsurance recoverables [Line Items]
Commitments to fund limited partnerships	$ 993
Retirement and employee savings plan expense	$ 41	$ 39	$ 37
Great American Life Insurance Company
Allowance for reinsurance recoverables [Line Items]
Percent of commitments to fund limited partnerships related Great American Life Insurance Company	0.50

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Subsequent Event - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Subsequent Event [Line Items]
Net investment income	$ 2,132	$ 2,303	$ 2,094
Investments accounted for using the equity method	1,881	1,688
Great American Life Insurance Company
Subsequent Event [Line Items]
Net investment income	1,670	1,774	1,618
Investments accounted for using the equity method	646
Great American Life Insurance Company | Directly owned real estate
Subsequent Event [Line Items]
Net investment income	49	$ 37	$ 37
Directly owned real estate	97
Great American Life Insurance Company | Equity in earnings of partnerships and similar investments
Subsequent Event [Line Items]
Investments accounted for using the equity method	$ 430

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Subsequent Event - Assets and liabilities of businesses to be disposed (Details) - USD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Subsequent Event [Line Items]
Cash and cash equivalents	$ 2,810	$ 2,314	$ 1,515	$ 2,338
Available for sale (AFS) fixed maturities	43,207	46,505
Trading fixed maturities	66	113
Equity securities, at fair value	1,663	1,937
Investments accounted for using the equity method	1,881	1,688
Mortgage loans	1,623	1,329
Policy loans	151	164
Equity index call options	825	924
Other investments	276	278
Cash and investments	52,502	55,252
Agents’ balances and premiums receivable	1,231	1,335
Deferred policy acquisition costs	546	1,037	1,682	$ 1,216
Variable annuity assets (separate accounts)	664	628
Other assets	1,626	1,867
Total assets	73,566	70,130	$ 63,456
Annuity benefits accumulated	42,573	40,406
Life, accident and health reserves	607	612
Variable annuity liabilities (separate accounts)	664	628
Other liabilities	2,197	2,295
Total liabilities	66,777	63,861
Accumulated Other Comprehensive Income (Loss), Net of Tax	1,273	863
Shareholders’ equity	6,789	$ 6,269
Great American Life Insurance Company
Subsequent Event [Line Items]
Cash and cash equivalents	1,679
Available for sale (AFS) fixed maturities	34,123
Trading fixed maturities	42
Equity securities, at fair value	774
Investments accounted for using the equity method	646
Mortgage loans	1,251
Policy loans	151
Equity index call options	825
Other investments	199
Cash and investments	39,690
Recoverables from reinsurers	6,804
Agents’ balances and premiums receivable	5
Deferred policy acquisition costs	303
Variable annuity assets (separate accounts)	664
Other assets	968
Total assets	48,434
Annuity benefits accumulated	42,573
Life, accident and health reserves	607
Variable annuity liabilities (separate accounts)	664
Other liabilities	620
Total liabilities	44,464
Accumulated Other Comprehensive Income (Loss), Net of Tax	(1,071)
Shareholders’ equity	$ 2,899

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Subsequent Event - Detail of fixed maturity investments held by subsidiaries to be disposed (Details) - USD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019
Subsequent Event [Line Items]
Available for sale (AFS) fixed maturities	$ 43,207	$ 46,505
Great American Life Insurance Company
Subsequent Event [Line Items]
Available for sale (AFS) fixed maturities	34,123
U.S. government agency
Subsequent Event [Line Items]
Available for sale (AFS) fixed maturities	242	209
U.S. government agency | Great American Life Insurance Company
Subsequent Event [Line Items]
Available for sale (AFS) fixed maturities	44
State and municipal
Subsequent Event [Line Items]
Available for sale (AFS) fixed maturities	5,733	6,963
State and municipal | Great American Life Insurance Company
Subsequent Event [Line Items]
Available for sale (AFS) fixed maturities	3,421
Debt Security, Government, Non-US [Member]
Subsequent Event [Line Items]
Available for sale (AFS) fixed maturities	211	172
Debt Security, Government, Non-US [Member] | Great American Life Insurance Company
Subsequent Event [Line Items]
Available for sale (AFS) fixed maturities	35
Residential MBS
Subsequent Event [Line Items]
Available for sale (AFS) fixed maturities	3,055	3,160
Residential MBS | Great American Life Insurance Company
Subsequent Event [Line Items]
Available for sale (AFS) fixed maturities	2,140
Commercial MBS
Subsequent Event [Line Items]
Available for sale (AFS) fixed maturities	790	927
Commercial MBS | Great American Life Insurance Company
Subsequent Event [Line Items]
Available for sale (AFS) fixed maturities	698
Collateralized loan obligations | Managed by third parties
Subsequent Event [Line Items]
Available for sale (AFS) fixed maturities	4,553	4,280
Collateralized loan obligations | Managed by third parties | Great American Life Insurance Company
Subsequent Event [Line Items]
Available for sale (AFS) fixed maturities	3,491
Other asset-backed securities
Subsequent Event [Line Items]
Available for sale (AFS) fixed maturities	7,223	7,128
Other asset-backed securities | Great American Life Insurance Company
Subsequent Event [Line Items]
Available for sale (AFS) fixed maturities	5,176
Corporate and other
Subsequent Event [Line Items]
Available for sale (AFS) fixed maturities	21,400	23,666
Corporate and other | Great American Life Insurance Company
Subsequent Event [Line Items]
Available for sale (AFS) fixed maturities	19,118
Total fixed maturities
Subsequent Event [Line Items]
Available for sale (AFS) fixed maturities	43,207	$ 46,505
Total fixed maturities | Great American Life Insurance Company
Subsequent Event [Line Items]
Available for sale (AFS) fixed maturities	$ 34,123

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Subsequent Event - Results of businesses to be disposed (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Subsequent Event [Line Items]
Net investment income									$ 2,132	$ 2,303	$ 2,094
Realized gains (losses) on securities									289	287	(266)
Other income									204	223	223
Total revenues	$ 2,623	$ 2,060	$ 1,951	$ 1,275	$ 2,130	$ 2,123	$ 1,960	$ 2,024	7,909	8,237	7,150
Annuity benefits									1,192	1,151	998
Annuity and supplemental insurance acquisition expenses									306	253	261
Other expenses									430	441	393
Total costs and expenses									7,061	7,129	6,511
Earnings before income taxes									848	1,108	639
Provision for income taxes									127	239	122
Net earnings	$ 694	$ 164	$ 167	$ (304)	$ 191	$ 143	$ 209	$ 326	721	869	517
Great American Life Insurance Company
Subsequent Event [Line Items]
Net investment income									1,670	1,774	1,618
Realized gains (losses) on securities									364	132	(105)
Other income									126	136	139
Total revenues									2,160	2,042	1,652
Annuity benefits									1,192	1,151	998
Annuity and supplemental insurance acquisition expenses									306	253	260
Other expenses									181	180	177
Total costs and expenses									1,679	1,584	1,435
Earnings before income taxes									481	458	217
Provision for income taxes									97	94	39
Net earnings									$ 384	$ 364	$ 178

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Condensed Financial Information of Parent Company - Condensed Balance Sheet (Details) - USD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Assets:
Cash and cash equivalents	$ 2,810	$ 2,314	$ 1,515	$ 2,338
Other investments	276	278
Other assets	1,626	1,867
Total assets	73,566	70,130	63,456
Liabilities and Equity:
Long-term debt	1,963	1,473
Other liabilities	2,197	2,295
Shareholders’ equity	6,789	6,269
Total liabilities and equity	73,566	70,130
AFG
Assets:
Cash and cash equivalents	215	166	$ 158	$ 299
Investment in securities	80	77
Investment in subsidiaries	8,525	7,623
Other investments	2	2
Other assets	213	143
Total assets	9,035	8,011
Liabilities and Equity:
Long-term debt	1,963	1,473
Other liabilities	283	269
Shareholders’ equity	6,789	6,269
Total liabilities and equity	$ 9,035	$ 8,011

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Condensed Financial Information of Parent Company - Condensed Statement of Earnings (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Revenues:
Total revenues	$ 2,623	$ 2,060	$ 1,951	$ 1,275	$ 2,130	$ 2,123	$ 1,960	$ 2,024	$ 7,909	$ 8,237	$ 7,150
Costs and Expenses:
Interest charges on other borrowings									88	68	62
Other expenses									430	441	393
Total costs and expenses									7,061	7,129	6,511
Earnings before income taxes									848	1,108	639
Provision for income taxes									127	239	122
Net Earnings Attributable to Shareholders	$ 692	$ 164	$ 177	$ (301)	$ 211	$ 147	$ 210	$ 329	732	897	530
AFG
Revenues:
Dividends from subsidiaries									543	417	261
Equity in undistributed earnings of subsidiaries									474	888	529
Investment and other income									32	20	2
Total revenues									1,049	1,325	792
Costs and Expenses:
Interest charges on intercompany borrowings									8	8	8
Interest charges on other borrowings									88	68	62
Other expenses									94	113	70
Total costs and expenses									190	189	140
Earnings before income taxes									859	1,136	652
Provision for income taxes									127	239	122
Net Earnings Attributable to Shareholders									$ 732	$ 897	$ 530

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Condensed Financial Information of Parent Company - Condensed Statement of Comprehensive Income (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Statement of Other Comprehensive Income [Abstract]
Net earnings (loss) attributable to shareholders	$ 692	$ 164	$ 177	$ (301)	$ 211	$ 147	$ 210	$ 329	$ 732	$ 897	$ 530
Comprehensive income (loss) attributable to shareholders									1,146	1,712	(14)
AFG
Statement of Other Comprehensive Income [Abstract]
Net earnings (loss) attributable to shareholders									732	897	530
Other comprehensive income (loss), net of tax									414	815	(544)
Comprehensive income (loss) attributable to shareholders									$ 1,146	$ 1,712	$ (14)

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Condensed Financial Information of Parent Company - Condensed Statement of Cash Flows (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Operating Activities:
Net earnings (loss) attributable to shareholders	$ 692	$ 164	$ 177	$ (301)	$ 211	$ 147	$ 210	$ 329	$ 732	$ 897	$ 530
Adjustments:
Net cash provided by operating activities									2,183	2,456	2,083
Investing Activities:
Net cash used in investing activities									(1,564)	(3,065)	(5,350)
Financing Activities:
Additional long-term borrowings									634	315	0
Reductions of long-term debt									(150)	(150)	0
Issuances of Common Stock									22	36	33
Repurchases of Common Stock									(313)	0	(6)
Cash dividends paid on Common Stock									(334)	(444)	(394)
Net cash provided by (used in) financing activities									(123)	1,408	2,444
Cash and cash equivalents at beginning of year				2,314				1,515	2,314	1,515	2,338
Cash and cash equivalents at end of year	2,810				2,314				2,810	2,314	1,515
AFG
Operating Activities:
Net earnings (loss) attributable to shareholders									732	897	530
Adjustments:
Equity in net earnings of subsidiaries									(780)	(1,032)	(637)
Dividends from subsidiaries									543	408	238
Other operating activities, net									(12)	33	84
Net cash provided by operating activities									483	306	215
Investing Activities:
Capital contributions to subsidiaries									(297)	(60)	(11)
Returns of capital from subsidiaries									0	4	23
Purchases of investments, property and equipment									(2)	(3)	(5)
Proceeds from maturities and redemptions of investments									2	3	3
Proceeds from sales of businesses									3	0	0
Net cash used in investing activities									(294)	(56)	10
Financing Activities:
Additional long-term borrowings									634	315	0
Reductions of long-term debt									(150)	(150)	0
Issuances of Common Stock									23	37	34
Repurchases of Common Stock									(313)	0	(6)
Cash dividends paid on Common Stock									(334)	(444)	(394)
Net cash provided by (used in) financing activities									(140)	(242)	(366)
Cash and cash equivalents, period increase (decrease)									49	8	(141)
Cash and cash equivalents at beginning of year				$ 166				$ 158	166	158	299
Cash and cash equivalents at end of year	$ 215				$ 166				$ 215	$ 166	$ 158

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Supplementary Insurance Information - Table (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information [Line Items]
Deferred policy acquisition costs	$ 546	$ 1,037	$ 1,682
Reserves for future policy benefits, claims and unpaid losses and LAE	53,572	51,250	46,992
Unearned premiums	2,803	2,830	2,595
Net earned premiums	5,118	5,207	4,889
Net investment income	2,132	2,303	2,094
Benefits, claims, losses and settlement expenses	4,503	4,458	4,041
Amortization of deferred policy acquisition costs	866	923	860
Other operating expenses	1,692	1,748	1,610
Net written premiums (excluding life)	5,017	5,345	5,026
Property and casualty insurance
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information [Line Items]
Deferred policy acquisition costs	244	322	299
Reserves for future policy benefits, claims and unpaid losses and LAE	10,392	10,232	9,741
Unearned premiums	2,803	2,830	2,595
Net earned premiums	5,099	5,185	4,865
Net investment income	399	472	438
Benefits, claims, losses and settlement expenses	3,271	3,271	3,003
Amortization of deferred policy acquisition costs	615	721	644
Other operating expenses	1,036	1,027	957
Net written premiums (excluding life)	5,013	5,342	5,023
Annuity
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information [Line Items]
Deferred policy acquisition costs	287	696	1,360
Reserves for future policy benefits, claims and unpaid losses and LAE	42,573	40,406	36,616
Net investment income	1,699	1,792	1,638
Benefits, claims, losses and settlement expenses	1,192	1,151	998
Amortization of deferred policy acquisition costs	247	198	212
Other operating expenses	220	201	192
Other
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information [Line Items]
Deferred policy acquisition costs	15	19	23
Reserves for future policy benefits, claims and unpaid losses and LAE	607	612	635
Net earned premiums	19	22	24
Net investment income	34	39	18
Benefits, claims, losses and settlement expenses	40	36	40
Amortization of deferred policy acquisition costs	4	4	4
Other operating expenses	436	520	461
Net written premiums (excluding life)	$ 4	$ 3	$ 3