General (Policies) |
3 Months Ended |
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Mar. 31, 2026 | |
| Accounting Policies [Abstract] | |
| Basis of Presentation | The Condensed Consolidated Financial Statements include the accounts of CNA Financial Corporation (CNAF) and its subsidiaries. Collectively, CNAF and its subsidiaries are referred to as CNA or the Company. Loews Corporation (Loews) owned approximately 92% of the outstanding common stock of CNAF as of March 31, 2026.
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| Use of Estimates | The accompanying Condensed Consolidated Financial Statements have been prepared in conformity with accounting principles generally accepted in the United States of America (GAAP). Intercompany amounts have been eliminated. Certain financial information that is normally included in annual financial statements prepared in accordance with GAAP, including certain financial statement notes, is not required for interim reporting purposes and has been condensed or omitted. These statements should be read in conjunction with the Consolidated Financial Statements and notes thereto included in CNAF's Annual Report on Form 10-K filed with the Securities and Exchange Commission (SEC) for the year ended December 31, 2025, including the summary of significant accounting policies in Note A. The preparation of Condensed Consolidated Financial Statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and the disclosure of contingent assets and liabilities at the date of the Condensed Consolidated Financial Statements and the reported amounts of revenues and expenses during the reporting period. Actual results may differ from those estimates.
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| Recently Adopted Accounting Standards Updates and Accounting Standards Pending Adoption | Accounting Standards Pending Adoption In November 2024, the FASB issued Accounting Standards Update (ASU) No. 2024-03, Income Statement-Reporting Comprehensive Income-Expense Disaggregation Disclosures (Subtopic 220-40): Disaggregation of Income Statement Expenses. The updated accounting guidance requires disaggregated disclosure of specified expense categories. The guidance also requires disclosure of total selling expenses and how the Company defines selling expenses. The guidance is effective for fiscal years beginning after December 15, 2026, and interim periods within annual periods beginning after December 15, 2027. Prospective application is required, with retrospective application permitted. The Company is currently evaluating the effect the updated guidance will have on its financial statement disclosures. In September 2025, the FASB issued ASU No. 2025-06, Intangibles – Goodwill and Other – Internal-Use Software (Subtopic 350-40): Targeted Improvements to the Accounting for Internal-Use Software. The updated guidance changes the accounting for internal-use software by eliminating references to sequential project stages. Eligible software development cost capitalization will begin when: (1) management has authorized and committed to funding the software project and (2) it is probable that the software will be completed and used as intended. The guidance is effective for annual periods beginning after December 15, 2027, and interim periods within those annual periods, with early adoption permitted. The guidance may be applied using a prospective transition method, a retrospective transition method, or a modified prospective transition method. The Company does not currently expect the updated guidance to have a material impact on its financial statements.
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