XML 107 R93.htm IDEA: XBRL DOCUMENT
v3.24.0.1

Shareholders' Equity And Dividend Restrictions (Narrative) (Details) - USD ($) $ / shares in Units, $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Declared cash dividends, per share | $ 3.00 | $ 2.76 | $ 2.52
Dividend payment without prior regulatory approval, maximum percent of policyholder surplus | 10.00% |  |
Dividend payment without prior regulatory approval, percent of statutory net income for the prior calendar year | 100.00% |  |
Dividends might be paid during next year | $ 729 |  |
The Cincinnati Insurance Company |  |  |
Cash Dividends Paid to Parent | 526 | $ 729 | $ 583
Cincinnati Global |  |  |
Cash Dividends Paid to Parent | $ 0 | $ 0 | $ 0

X
- Definition Minimum percent of policyholder surplus that our insurance subsidiary can pay to the parent without prior regulatory approval. + References No definition available. + Details
Name: | cinf_DividendToParent
Namespace Prefix: | cinf_
Data Type: | dtr-types1:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Maximum percentage of statutory net income that our insurance subsidiary can pay to the parent without prior regulatory approval. + References No definition available. + Details
Name: | cinf_PercentageOfStatutoryNetIncomeFromPriorYear
Namespace Prefix: | cinf_
Data Type: | dtr-types1:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition This element represents disclosure of the aggregate cash dividends paid to the entity by consolidated subsidiaries. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-04(b)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480678/235-10-S99-3 + Details
Name: | us-gaap_CashDividendsPaidToParentCompanyByConsolidatedSubsidiaries
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Aggregate dividends declared during the period for each share of common stock outstanding. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480008/505-10-S99-1 + Details
Name: | us-gaap_CommonStockDividendsPerShareDeclared
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of dividends available for payment after computation of statutory restrictions on capital surplus. + References No definition available. + Details
Name: | us-gaap_StatutoryAccountingPracticesStatutoryAmountAvailableForDividendPayments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | dei_LegalEntityAxis=cinf_CincinnatiInsuranceCompanyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=cinf_CincinnatiGlobalUnderwritingLtd.Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |