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Insurance Company Subsidiary Operations (Tables) | 12 Months Ended
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Dec. 31, 2024
Reinsurance Disclosures [Abstract] |
Effects of Reinsurance on Premiums Written and Earned |
|  | 2024 |  |  | 2023 |
(in millions) |  | Written |  |  | Earned |  |  | Written |  |  | Earned |
Direct premiums - WNFIC |  | $ | 1,005 |  |  | $ | 946 |  |  | $ | 887 |  |  | $ | 807 |
Assumed premiums - WNFIC |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Ceded premiums - WNFIC |  |  | 1,005 |  |  |  | 946 |  |  |  | 887 |  |  |  | 807 |
Net premiums - WNFIC |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Assumed premiums - Quota share captive and excess of loss layer captive |  |  | 153 |  |  |  | 151 |  |  |  | 113 |  |  |  | 90 |
Ceded premiums - Quota share captive |  |  | (74 | ) |  |  | (74 | ) |  |  | (52 | ) |  |  | (62 | )
Net premiums - Quota share captive and excess loss layer captive |  |  | 79 |  |  |  | 77 |  |  |  | 61 |  |  |  | 28 |
Net premiums - Total |  | $ | 79 |  |  | $ | 77 |  |  | $ | 61 |  |  | $ | 28 |

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- Definition Tabular disclosure of the effects of reinsurance, for example, but not limited to, disclosure of direct, assumed, and ceded insurance. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -SubTopic 605 -Topic 944 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479032/944-605-50-1 + Details
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- References No definition available. + Details
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