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v3.23.1

Long-Term Debt - Schedule of long-term debt (Details) - USD ($) $ in Millions | Mar. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Summary of Carrying value of long-term debt |  |
Principal | $ 1,503 | $ 1,521
Discount and Issue Costs | (25) | (25)
Carrying Value | 1,478 | 1,496
Senior Notes | AFG |  |
Summary of Carrying value of long-term debt |  |
Principal | 828 | 846
Discount and Issue Costs | (6) | (6)
Carrying Value | $ 822 | 840
Senior Notes | 4.50% Senior Notes due June 2047 | AFG |  |
Debt Instrument [Line Items] |  |
Interest rate on debt instruments | 4.50% |
Summary of Carrying value of long-term debt |  |
Principal | $ 567 | 582
Discount and Issue Costs | (1) | (1)
Carrying Value | $ 566 | 581
Senior Notes | 5.25% Senior Notes due April 2030 | AFG |  |
Debt Instrument [Line Items] |  |
Interest rate on debt instruments | 5.25% |
Summary of Carrying value of long-term debt |  |
Principal | $ 258 | 261
Discount and Issue Costs | (5) | (5)
Carrying Value | 253 | 256
Senior Notes | Other | AFG |  |
Summary of Carrying value of long-term debt |  |
Principal | 3 | 3
Discount and Issue Costs | 0 | 0
Carrying Value | 3 | 3
Subordinated Debentures | AFG |  |
Summary of Carrying value of long-term debt |  |
Principal | 675 | 675
Discount and Issue Costs | (19) | (19)
Carrying Value | $ 656 | 656
Subordinated Debentures | 4.50% Subordinated Debentures due September 2060 | AFG |  |
Debt Instrument [Line Items] |  |
Interest rate on debt instruments | 4.50% |
Summary of Carrying value of long-term debt |  |
Principal | $ 200 | 200
Discount and Issue Costs | (5) | (5)
Carrying Value | $ 195 | 195
Subordinated Debentures | 5.125% Subordinated Debentures due December 2059 | AFG |  |
Debt Instrument [Line Items] |  |
Interest rate on debt instruments | 5.125% |
Summary of Carrying value of long-term debt |  |
Principal | $ 200 | 200
Discount and Issue Costs | (6) | (6)
Carrying Value | $ 194 | 194
Subordinated Debentures | 5.625% Subordinated Debentures due June 2060 | AFG |  |
Debt Instrument [Line Items] |  |
Interest rate on debt instruments | 5.625% |
Summary of Carrying value of long-term debt |  |
Principal | $ 150 | 150
Discount and Issue Costs | (4) | (4)
Carrying Value | $ 146 | 146
Subordinated Debentures | 5.875% Subordinated Debentures due March 2059 | AFG |  |
Debt Instrument [Line Items] |  |
Interest rate on debt instruments | 5.875% |
Summary of Carrying value of long-term debt |  |
Principal | $ 125 | 125
Discount and Issue Costs | (4) | (4)
Carrying Value | $ 121 | $ 121

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- Definition Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b)(1) -URI https://asc.fasb.org/extlink&oid=123466204&loc=SL6031897-161870 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI https://asc.fasb.org/extlink&oid=126734703&loc=d3e572229-122910 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878 + Details
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