Basis of Presentation	3 Months Ended
Mar. 31, 2025
Accounting Policies [Abstract]
Basis of Presentation	Basis of Presentation Loews Corporation is a holding company. Its consolidated operating subsidiaries are engaged in the following lines of business: commercial property and casualty insurance (CNA Financial Corporation (“CNA”), an approximately 92% owned subsidiary); transportation and storage of natural gas and natural gas liquids, olefins and other hydrocarbons (Boardwalk Pipeline Partners, LP (“Boardwalk Pipelines”), a wholly owned subsidiary) and the operation of a chain of hotels (Loews Hotels Holding Corporation (“Loews Hotels & Co”), a wholly owned subsidiary). Unless the context otherwise requires, as used herein, the term “Company” means Loews Corporation including its subsidiaries, the term “Parent Company” means Loews Corporation excluding its subsidiaries and the term “Net income (loss) attributable to Loews Corporation” means Net income (loss) attributable to Loews Corporation shareholders. In the opinion of management, the accompanying unaudited Consolidated Condensed Financial Statements reflect all adjustments (consisting of normal recurring accruals) necessary to present fairly the Company’s financial position as of March 31, 2025 and December 31, 2024, and its results of operations, comprehensive income (loss), changes in shareholders’ equity and cash flows for the three months ended March 31, 2025 and 2024, in each case in accordance with accounting principles generally accepted in the United States of America (“GAAP”). Results for the interim periods are not necessarily indicative of results for the entire year. These Consolidated Condensed Financial Statements should be read in conjunction with the Consolidated Financial Statements in the Company’s Annual Report on Form 10-K for the year ended December 31, 2024. The Company presents basic and diluted net income (loss) per share on the Consolidated Condensed Statements of Operations. Basic net income (loss) per share excludes dilution and is computed by dividing net income (loss) attributable to common stock by the weighted average number of common shares outstanding for the period. Diluted net income per share reflects the potential dilution that could occur if securities or other contracts to issue common stock were exercised or converted into common stock. For the three months ended March 31, 2025 and 2024 there were 1.2 million and no shares attributable to employee stock-based compensation awards excluded from the diluted weighted average shares outstanding amounts because the effect would have been antidilutive. Accounting changes - In December of 2023, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update (“ASU”) 2023-08, “Intangibles-Goodwill and Other-Crypto Assets (Subtopic 350-60): Accounting for and Disclosure of Crypto Assets.” The updated accounting guidance requires that an entity measure crypto assets at fair value in the statement of financial position each reporting period and recognize changes from remeasurement in net income. The guidance was effective for fiscal years beginning after December 15, 2024, including interim periods within those fiscal years. The update required a cumulative-effect adjustment to the opening balance at the date of adoption. The Company adopted the guidance on January 1, 2025 and recorded an increase to Retained earnings of $5 million. Recently issued ASUs - In December of 2023, the FASB issued ASU 2023-09, “Income Taxes (Topic 740): Improvements to Income Tax Disclosures.” The updated accounting guidance requires expanded income tax disclosures, including the disaggregation of existing disclosures related to the effective tax rate reconciliation and income taxes paid. The guidance is effective for the Company’s Annual Report on Form 10-K for the year ended December 31, 2025. In November of 2024, the FASB issued ASU 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.

Loews Corporation is a holding company. Its consolidated operating subsidiaries are engaged in the following lines of business: commercial property and casualty insurance (CNA Financial Corporation (“CNA”), an approximately 92% owned subsidiary); transportation and storage of natural gas and natural gas liquids, olefins and other hydrocarbons (Boardwalk Pipeline Partners, LP (“Boardwalk Pipelines”), a wholly owned subsidiary) and the operation of a chain of hotels (Loews Hotels Holding Corporation (“Loews Hotels & Co”), a wholly owned subsidiary). Unless the context otherwise requires, as used herein, the term “Company” means Loews Corporation including its subsidiaries, the term “Parent Company” means Loews Corporation excluding its subsidiaries and the term “Net income (loss) attributable to Loews Corporation” means Net income (loss) attributable to Loews Corporation shareholders.

In the opinion of management, the accompanying unaudited Consolidated Condensed Financial Statements reflect all adjustments (consisting of normal recurring accruals) necessary to present fairly the Company’s financial position as of March 31, 2025 and December 31, 2024, and its results of operations, comprehensive income (loss), changes in shareholders’ equity and cash flows for the three months ended March 31, 2025 and 2024, in each case in accordance with accounting principles generally accepted in the United States of America (“GAAP”). Results for the interim periods are not necessarily indicative of results for the entire year. These Consolidated Condensed Financial Statements should be read in conjunction with the Consolidated Financial Statements in the Company’s Annual Report on Form 10-K for the year ended December 31, 2024.

The Company presents basic and diluted net income (loss) per share on the Consolidated Condensed Statements of Operations. Basic net income (loss) per share excludes dilution and is computed by dividing net income (loss) attributable to common stock by the weighted average number of common shares outstanding for the period. Diluted net income per share reflects the potential dilution that could occur if securities or other contracts to issue common stock were exercised or converted into common stock. For the three months ended March 31, 2025 and 2024 there were 1.2 million and no shares attributable to employee stock-based compensation awards excluded from the diluted weighted average shares outstanding amounts because the effect would have been antidilutive.

Accounting changes - In December of 2023, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update (“ASU”) 2023-08, “Intangibles-Goodwill and Other-Crypto Assets (Subtopic 350-60): Accounting for and Disclosure of Crypto Assets.” The updated accounting guidance requires that an entity measure crypto assets at fair value in the statement of financial position each reporting period and recognize changes from remeasurement in net income. The guidance was effective for fiscal years beginning after December 15, 2024, including interim periods within those fiscal years. The update required a cumulative-effect adjustment to the opening balance at the date of adoption. The Company adopted the guidance on January 1, 2025 and recorded an increase to Retained earnings of $5 million.

Recently issued ASUs - In December of 2023, the FASB issued ASU 2023-09, “Income Taxes (Topic 740): Improvements to Income Tax Disclosures.” The updated accounting guidance requires expanded income tax disclosures, including the disaggregation of existing disclosures related to the effective tax rate reconciliation and income taxes paid. The guidance is effective for the Company’s Annual Report on Form 10-K for the year ended December 31, 2025.