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v3.25.4

Statutory Information - Narrative (Details) $ in Millions | 12 Months Ended
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Dec. 31, 2025 USD ($) subsidiary
Ireland |
Statutory Accounting Practices [Line Items] |
Number Of Subsidiaries | subsidiary | 3
Mortgage | North Carolina or Wisconsin |
Statutory Accounting Practices [Line Items] |
Dividends available for payment in 2025, total | $ 295
Required contingency loss reserve as a percentage of net earned premiums | 50.00%
Withdrawal restriction period | 10 years
Withdrawal restriction period, with prior approval | 35.00%
Maximum risk to capital ratio | 2500.00%
Arch Re US | United States |
Statutory Accounting Practices [Line Items] |
Dividends available for payment in 2025, total | $ 523
Arch Re Bermuda | Bermuda |
Statutory Accounting Practices [Line Items] |
Dividends, percentage permitted | 25.00%
Dividend required notice period | 7 days
Dividends available for payment in 2026 without prior regulatory approval | $ 6,400
Arch Group Reinsurance Ltd | Bermuda |
Statutory Accounting Practices [Line Items] |
Dividends, percentage permitted | 25.00%
Dividend required notice period | 7 days

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- Definition Statutory Accounting Contingency Loss Reserve Percentage Of Net Earned Premiums + References No definition available. + Details
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- Definition The percentage of total statutory capital and surplus (as shown on its previous financial year's statutory balance sheet) which may be paid out as dividends without the requirement to file an affadavit with the regulatory body stating that the Company will continue to meet required margins. + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 505 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477908/944-505-50-1 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 505 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477908/944-505-50-1 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 505 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org/1943274/2147477908/944-505-50-5 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 505 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477908/944-505-50-3 Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 505 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477908/944-505-50-1 Reference 6: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(23)(c)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1 + Details
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