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Supplementary Information Concerning Property Casualty Insurance Operations | 12 Months Ended
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Dec. 31, 2023
SEC Schedule, 12-18, Supplemental Information, Property-Casualty Insurance Underwriters [Abstract] |
Supplementary Information Concerning Property Casualty Insurance Operations | Schedule VI
Cincinnati Financial Corporation and Subsidiaries
Supplementary Information Concerning Property Casualty Insurance Operations
(Dollars in millions) |  | Years ended December 31,
|  | 2023 |  | 2022 |  | 2021
Deferred policy acquisition costs: |  |  |  |  |  |
Commercial lines insurance |  | $ | 387 |  |  | $ | 372 |  |  | $ | 345 |
Personal lines insurance |  | 210 |  |  | 168 |  |  | 145 |
Excess and surplus lines insurance |  | 43 |  |  | 37 |  |  | 33 |
Other |  | 109 |  |  | 105 |  |  | 79 |
Total |  | $ | 749 |  |  | $ | 682 |  |  | $ | 602 |
Reserves for unpaid claims and claim adjustment expenses: |  |  |  |  |  |
Commercial lines insurance |  | $ | 5,887 |  |  | $ | 5,568 |  |  | $ | 5,007 |
Personal lines insurance |  | 990 |  |  | 916 |  |  | 814 |
Excess and surplus lines insurance |  | 932 |  |  | 753 |  |  | 577 |
Other |  | 1,166 |  |  | 1,099 |  |  | 831 |
Total |  | $ | 8,975 |  |  | $ | 8,336 |  |  | $ | 7,229 |
Reserve discount deducted |  | $ | — |  |  | $ | — |  |  | $ | — |
Gross unearned premiums: |  |  |  |  |  |
Commercial lines insurance |  | $ | 2,111 |  |  | $ | 2,021 |  |  | $ | 1,857 |
Personal lines insurance |  | 1,253 |  |  | 994 |  |  | 850 |
Excess and surplus lines insurance |  | 273 |  |  | 236 |  |  | 207 |
Other |  | 481 |  |  | 437 |  |  | 356 |
Total |  | $ | 4,118 |  |  | $ | 3,688 |  |  | $ | 3,270 |
Earned premiums: |  |  |  |  |  |
Commercial lines insurance |  | $ | 4,264 |  |  | $ | 4,024 |  |  | $ | 3,674 |
Personal lines insurance |  | 2,044 |  |  | 1,689 |  |  | 1,542 |
Excess and surplus lines insurance |  | 542 |  |  | 485 |  |  | 398 |
Other |  | 795 |  |  | 726 |  |  | 570 |
Total |  | $ | 7,645 |  |  | $ | 6,924 |  |  | $ | 6,184 |
Investment income, net of expenses: |  |  |  |  |  |
Commercial lines insurance |  | $ | — |  |  | $ | — |  |  | $ | — |
Personal lines insurance |  | — |  |  | — |  |  | — |
Excess and surplus lines insurance |  | — |  |  | — |  |  | — |
Other |  | — |  |  | — |  |  | — |
Total (1) |  | $ | 602 |  |  | $ | 509 |  |  | $ | 457 |
Note to Schedule VI: (1) This segment information is not regularly allocated to segments and not reviewed by company management in making decisions about resources to be allocated to the segments or to assess their performance. Schedule VI (continued)
Cincinnati Financial Corporation and Subsidiaries
Supplementary Information Concerning Property Casualty Insurance Operations
(Dollars in millions) |  | Years ended December 31,
|  | 2023 |  | 2022 |  | 2021
Loss and loss expenses incurred related to current accident year: |  |  |  |  |  |
Commercial lines insurance |  | $ | 2,910 |  |  | $ | 2,837 |  |  | $ | 2,293 |
Personal lines insurance |  | 1,506 |  |  | 1,227 |  |  | 1,042 |
Excess and surplus lines insurance |  | 361 |  |  | 324 |  |  | 243 |
Other |  | 396 |  |  | 487 |  |  | 446 |
Total |  | $ | 5,173 |  |  | $ | 4,875 |  |  | $ | 4,024 |
Loss and loss expenses incurred related to prior accident years: |  |  |  |  |  |
Commercial lines insurance |  | $ | (123) |  |  | $ | (76) |  |  | $ | (353) |
Personal lines insurance |  | (64) |  |  | (61) |  |  | (50) |
Excess and surplus lines insurance |  | (11) |  |  | (9) |  |  | 7 |
Other |  | (17) |  |  | (13) |  |  | (32) |
Total |  | $ | (215) |  |  | $ | (159) |  |  | $ | (428) |
Amortization of deferred policy acquisition costs: |  |  |  |  |  |
Commercial lines insurance |  | $ | 808 |  |  | $ | 769 |  |  | $ | 703 |
Personal lines insurance |  | 367 |  |  | 311 |  |  | 276 |
Excess and surplus lines insurance |  | 89 |  |  | 79 |  |  | 63 |
Other |  | 157 |  |  | 144 |  |  | 109 |
Total |  | $ | 1,421 |  |  | $ | 1,303 |  |  | $ | 1,151 |
Paid loss and loss expenses: |  |  |  |  |  |
Commercial lines insurance |  | $ | 2,480 |  |  | $ | 2,211 |  |  | $ | 1,806 |
Personal lines insurance |  | 1,353 |  |  | 1,071 |  |  | 914 |
Excess and surplus lines insurance |  | 183 |  |  | 145 |  |  | 118 |
Other |  | 260 |  |  | 260 |  |  | 256 |
Total |  | $ | 4,276 |  |  | $ | 3,687 |  |  | $ | 3,094 |
Net written premiums: |  |  |  |  |  |
Commercial lines insurance |  | $ | 4,336 |  |  | $ | 4,159 |  |  | $ | 3,811 |
Personal lines insurance |  | 2,302 |  |  | 1,831 |  |  | 1,594 |
Excess and surplus lines insurance |  | 570 |  |  | 502 |  |  | 426 |
Other |  | 838 |  |  | 815 |  |  | 648 |
Total |  | $ | 8,046 |  |  | $ | 7,307 |  |  | $ | 6,479 |

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- Definition The entire disclosure of supplemental information for registrant, its subsidiary and 50-percent-or-less-owned equity basis investee, with liability for property-casualty insurance claim. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-X (SX) -Number 210 -Section 12 -Subsection 18 -Publisher SEC Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 235 -Name Accounting Standards Codification -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-18(Column A)(c)(Footnote 3)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480149/944-235-S99-3 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 235 -Name Accounting Standards Codification -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-18) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480149/944-235-S99-3 + Details
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