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Segments of Operations | 9 Months Ended
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Sep. 30, 2021
Segment Reporting [Abstract] |
Segments of Operations | Segments of Operations Subsequent to the sale of its annuity operations, see Note B — “Discontinued Operations,” AFG manages its business as two segments: Property and casualty insurance and Other, which includes holding company costs 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 reportable segments and their components were determined based primarily upon similar economic characteristics, products and services. The following tables (in millions) show AFG’s revenues and earnings (loss) from continuing operations before income taxes by segment and sub-segment.
| Three months ended September 30, |  | Nine months ended September 30,
| 2021 |  | 2020 |  | 2021 |  | 2020
Revenues |  |  |  |  |  |  |
Property and casualty insurance: |  |  |  |  |  |  |
Premiums earned: |  |  |  |  |  |  |
Specialty |  |  |  |  |  |  |
Property and transportation | $ | 700 |  |  | $ | 574 |  |  | $ | 1,547 |  |  | $ | 1,350 |
Specialty casualty | 613 |  |  | 560 |  |  | 1,772 |  |  | 1,663 |
Specialty financial | 163 |  |  | 155 |  |  | 477 |  |  | 455 |
Other specialty | 53 |  |  | 50 |  |  | 156 |  |  | 132 |
Other lines (a) | — |  |  | 42 |  |  | — |  |  | 174 |
Total premiums earned | 1,529 |  |  | 1,381 |  |  | 3,952 |  |  | 3,774 |
Net investment income (b) | 165 |  |  | 112 |  |  | 467 |  |  | 277 |
Other income | 4 |  |  | — |  |  | 9 |  |  | 8 |
Total property and casualty insurance | 1,698 |  |  | 1,493 |  |  | 4,428 |  |  | 4,059 |
Other | 73 |  |  | 60 |  |  | 208 |  |  | 195 |
Income on real estate-related entities (c) | — |  |  | 10 |  |  | 51 |  |  | 29 |
Total revenues before realized gains (losses) | 1,771 |  |  | 1,563 |  |  | 4,687 |  |  | 4,283 |
Realized gains (losses) on securities | (17) |  |  | 23 |  |  | 103 |  |  | (197) |
Realized gains (losses) on subsidiaries | — |  |  | (30) |  |  | 4 |  |  | (30) |
Total revenues | $ | 1,754 |  |  | $ | 1,556 |  |  | $ | 4,794 |  |  | $ | 4,056 |
(a)Represents premiums earned in the Neon exited lines (which were sold in December 2020) during the third quarter and first nine months of 2020. (b)Includes income of $1 million for the third quarter of 2020 and a loss of $5 million in the Neon exited lines in the first nine months of 2020 (primarily from the change in fair value of equity securities). (c)Represents investment income from real estate-related entities acquired from the discontinued annuity operations while they were held by those operations. Subsequent to the sale of the annuity group, this income is included in the segment of the acquirer.
| Three months ended September 30, |  | Nine months ended September 30,
| 2021 |  | 2020 |  | 2021 |  | 2020
Earnings (Loss) From Continuing Operations Before Income Taxes |  |  |  |  |  |
Property and casualty insurance: |  |  |  |  |  |  |
Underwriting: |  |  |  |  |  |  |
Specialty |  |  |  |  |  |  |
Property and transportation | $ | 45 |  |  | $ | 47 |  |  | $ | 163 |  |  | $ | 107 |
Specialty casualty | 110 |  |  | 53 |  |  | 237 |  |  | 132 |
Specialty financial | 26 |  |  | 13 |  |  | 72 |  |  | 30 |
Other specialty | (12) |  |  | (9) |  |  | (16) |  |  | (22) |
Other lines (a) | (1) |  |  | (86) |  |  | (2) |  |  | (133) |
Total underwriting | 168 |  |  | 18 |  |  | 454 |  |  | 114 |
Investment and other income, net (b) | 161 |  |  | 100 |  |  | 451 |  |  | 249 |
Total property and casualty insurance | 329 |  |  | 118 |  |  | 905 |  |  | 363 |
Other (c) | (45) |  |  | (74) |  |  | (173) |  |  | (152) |
Income on real estate-related entities (d) | — |  |  | 3 |  |  | 51 |  |  | 11 |
Total earnings from continuing operations before realized gains (losses) and income taxes | 284 |  |  | 47 |  |  | 783 |  |  | 222 |
Realized gains (losses) on securities | (17) |  |  | 23 |  |  | 103 |  |  | (197) |
Realized gains (losses) on subsidiaries | — |  |  | (30) |  |  | 4 |  |  | (30) |
Total earnings (loss) from continuing operations before income taxes | $ | 267 |  |  | $ | 40 |  |  | $ | 890 |  |  | $ | (5) |
(a)Includes an underwriting loss of $38 million in the third quarter of 2020 and $82 million in the first nine months of 2020 in the Neon exited lines. Also includes a special charge of $47 million in the third quarter of 2020 to increase asbestos and environmental (“A&E”) reserves. (b)Includes $2 million and $10 million in the third quarter and first nine months of 2020, respectively, in net expenses from the Neon exited lines, before noncontrolling interest. (c)Includes holding company interest and expenses, including a special charge of $21 million in the third quarter of 2020 to increase A&E reserves related to AFG’s former railroad and manufacturing operations. (d)Represents investment income (net of DAC) from real estate-related entities acquired from the discontinued annuity operations while they were held by those operations. Subsequent to the sale of the annuity group, this income is included in the segment of the acquirer.

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- Definition The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 31 -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8924-108599 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 34 -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8981-108599 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8721-108599 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 40 -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e9031-108599 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8933-108599 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8933-108599 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 26 -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8844-108599 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e9038-108599 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8933-108599 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8736-108599 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 42 -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e9054-108599 Reference 12: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8657-108599 Reference 13: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8721-108599 Reference 14: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -URI http://asc.fasb.org/topic&trid=2134510 + Details
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