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Cover
Cover Page
Financial Statements
Consolidated Balance Sheets
Consolidated Balance Sheets (Parenthetical)
Consolidated Statements of Income
Consolidated Statements of Comprehensive Income (Loss)
Consolidated Statements of Equity
Consolidated Statements of Equity (Parenthetical)
Consolidated Statements of Cash Flows
Notes to Financial Statements
Summary of Significant Accounting Policies
Acquisitions and Divestitures
Investments
Fair Value
Receivables
Property, Plant and Equipment
Goodwill and Other Intangible Assets
Claim, Claim Adjustment Expense and Future Policy Benefit Reserves
Leases
Income Taxes
Debt
Shareholders' Equity
Revenue from Contracts with Customers
Statutory Accounting Practices
Benefit Plans
Reinsurance
Quarterly Financial Data (Unaudited)
Legal Proceedings
Commitments and Contingencies
Segments
Schedule I - Condensed Financial Information of Registrant
Schedule V - Supplemental Information Concerning Property and Casualty Insurance Operations
Accounting Policies
Summary of Significant Accounting Policies (Policies)
Notes Tables
Summary of Significant Accounting Policies (Tables)
Investments (Tables)
Fair Value (Tables)
Receivables (Tables)
Property, Plant and Equipment (Tables)
Goodwill and Other Intangible Assets (Tables)
Claim, Claim Adjustment Expense and Future Policy Benefit Reserves (Tables)
Leases (Tables)
Income Taxes (Tables)
Debt (Tables)
Shareholders' Equity (Tables)
Revenue from Contracts with Customers (Tables)
Statutory Accounting Practices (Tables)
Benefit Plans (Tables)
Reinsurance (Tables)
Quarterly Financial Data (Unaudited) (Tables)
Segments (Tables)
Notes Details
Summary of Significant Accounting Policies - Additional Information (Detail)
Summary of Significant Accounting Policies - Summary of Financial Information for Joint Ventures (Detail)
Summary of Significant Accounting Policies - Principal Service Lives (Detail)
Acquisitions and Divestitures - Additional Information (Detail)
Investments - Net Investment Income and Investment Gains (Losses) (Detail)
Investments - Net Investment Income and Investment Gains (Losses) (Parenthetical) (Detail)
Investments - Additional Information (Detail)
Investments - Schedule of Net Change in Unrealized Gains (Losses) Investments (Detail)
Investments - Components of OTTI Losses Recognized in Earnings by Asset Type (Detail)
Investments - Amortized Cost and Fair Values of Fixed Maturity and Equity Securities (Detail)
Investments - Securities Available-for-Sale in Gross Unrealized Loss Position (Detail)
Investments - Pretax Credit Loss Component Reflected in Retained Earnings on Fixed Maturity Securities (Detail)
Investments - Available-for-Sale Fixed Maturity Securities by Contractual Maturity (Detail)
Investments - Summary of Aggregate Contractual or Notional Amounts and Estimated Fair Values Related to Derivative Financial Instruments (Detail)
Fair Value - Assets and Liabilities Measured at Fair Value on Recurring Basis (Detail)
Fair Value - Reconciliations of Assets and Liabilities Measured at Fair Value on Recurring Basis Using Significant Unobservable Inputs (Detail)
Fair Value - Quantitative Information about Significant Unobservable Inputs Utilized by Company in Fair Value Measurements of Level 3 Assets (Detail)
Fair Value - Carrying Amount, Estimated Fair Value and Level of Fair Value Hierarchy of Company's Financial Assets and Liabilities (Detail)
Receivables - Receivables (Detail)
Property, Plant and Equipment - Components of Property, Plant and Equipment (Detail)
Property, Plant and Equipment - Components of Property, Plant and Equipment (Parenthetical) (Detail)
Property, Plant and Equipment - Additional Information (Detail)
Property, Plant and Equipment - Depreciation Expense and Capital Expenditures (Detail)
Goodwill and Other Intangible Assets - Schedule of Changes in Goodwill (Detail)
Goodwill and Other Intangible Assets - Schedule of Carrying Amount of Other Intangible Assets (Detail)
Goodwill and Other Intangible Assets - Additional Information (Detail)
Claim, Claim Adjustment Expense and Future Policy Benefit Reserves - Reconciliation of Net Liability for Unpaid Claim and Claim Adjustment Expenses to Amount Presented in Consolidated Balance Sheets (Detail)
Claim, Claim Adjustment Expense and Future Policy Benefit Reserves - Reconciliation of Claim and Claim Adjustment Expense Reserves (Detail)
Claim, Claim Adjustment Expense and Future Policy Benefit Reserves - Schedule of Gross and Net Carried Claim and Claim Adjustment Expense Reserves (Detail)
Claim, Claim Adjustment Expense and Future Policy Benefit Reserves - Net Prior Year Development in CNA's Property and Casualty Operations (Detail)
Claim, Claim Adjustment Expense and Future Policy Benefit Reserves - Additional Information (Detail)
Claim, Claim Adjustment Expense and Future Policy Benefit Reserves - Schedule of Net Prior Year Claim and Allocated Claim Adjustment Expense Reserve Development for Segment (Detail)
Claim, Claim Adjustment Expense and Future Policy Benefit Reserves - Schedule of Net Incurred Claims and Allocated Claim Adjustment Expenses (Medical Professional Liability) (Detail)
Claim, Claim Adjustment Expense and Future Policy Benefit Reserves - Schedule of Net Cumulative Paid Claim and Claim Adjustment Expenses (Medical Professional Liability) (Detail)
Claim, Claim Adjustment Expense and Future Policy Benefit Reserves - Schedule of Net Strengthening or Releasing of Prior Accident Year Reserves (Medical Professional Liability) (Detail)
Claim, Claim Adjustment Expense and Future Policy Benefit Reserves - Schedule of Net Incurred Claims and Allocated Claim Adjustment Expenses (Other Professional Liability and Management Liability) (Detail)
Claim, Claim Adjustment Expense and Future Policy Benefit Reserves - Schedule of Net Cumulative Paid Claim and Claim Adjustment Expenses (Other Professional Liability and Management Liability) (Detail)
Claim, Claim Adjustment Expense and Future Policy Benefit Reserves - Schedule of Net Strengthening or Releasing of Prior Accident Year Reserves (Other Professional Liability and Management Liability) (Detail)
Claim, Claim Adjustment Expense and Future Policy Benefit Reserves - Schedule of Net Incurred Claims and Allocated Claim Adjustment Expenses (Surety) (Detail)
Claim, Claim Adjustment Expense and Future Policy Benefit Reserves - Schedule of Net Cumulative Paid Claim and Claim Adjustment Expenses (Surety) (Detail)
Claim, Claim Adjustment Expense and Future Policy Benefit Reserves - Schedule of Net Strengthening or Releasing of Prior Accident Year Reserves (Surety) (Detail)
Claim, Claim Adjustment Expense and Future Policy Benefit Reserves - Schedule of Net Incurred Claims and Allocated Claim Adjustment Expenses (Commercial Auto) (Detail)
Claim, Claim Adjustment Expense and Future Policy Benefit Reserves - Schedule of Net Cumulative Paid Claim and Claim Adjustment Expenses (Commercial Auto) (Detail)
Claim, Claim Adjustment Expense and Future Policy Benefit Reserves - Schedule of Net Strengthening or Releasing of Prior Accident Year Reserves (Commercial Auto) (Detail)
Claim, Claim Adjustment Expense and Future Policy Benefit Reserves - Schedule of Net Incurred Claims and Allocated Claim Adjustment Expenses (General Liability) (Detail)
Claim, Claim Adjustment Expense and Future Policy Benefit Reserves - Schedule of Net Cumulative Paid Claim and Claim Adjustment Expenses (General Liability) (Detail)
Claim, Claim Adjustment Expense and Future Policy Benefit Reserves - Schedule of Net Strengthening or Releasing of Prior Accident Year Reserves (General Liability) (Detail)
Claim, Claim Adjustment Expense and Future Policy Benefit Reserves - Schedule of Net Incurred Claims and Allocated Claim Adjustment Expenses (Workers' Compensation) (Detail)
Claim, Claim Adjustment Expense and Future Policy Benefit Reserves - Schedule of Net Cumulative Paid Claim and Claim Adjustment Expenses (Workers' Compensation) (Detail)
Claim, Claim Adjustment Expense and Future Policy Benefit Reserves - Schedule of Net Strengthening or Releasing of Prior Accident Year Reserves (Workers' Compensation) (Detail)
Claim, Claim Adjustment Expense and Future Policy Benefit Reserves - Schedule of Historical Claims Duration (Detail)
Claim, Claim Adjustment Expense and Future Policy Benefit Reserves - Schedule of Impact of Loss Portfolio Transfer on the Consolidated Statement of Operations (Detail)
Leases - Additional Information (Detail)
Leases - Future Minimum Lease Payments to be Made Under Non-Cancelable Operating Leases Along with Lease and Sublease Minimum Receipts to be Received on Owned and Leased Properties (Detail)
Leases - Presents the maturities of lease liabilities (Detail)
Leases - other information related to leases (Detail)
Income Taxes - Additional Information (Detail)
Income Taxes - Schedule of Current and Deferred Components of Income Tax Expense (Benefit) (Detail)
Income Taxes - Components of U.S. and Foreign Income and Reconciliation between Federal Income Tax Expense at Statutory Rates and Actual Income Tax Expense (Benefit) (Detail)
Income Taxes - Reconciliation of Beginning and Ending Amount of Unrecognized Tax Benefits, Excluding Tax Carryforwards and Interest and Penalties (Detail)
Income Taxes - Summary of Deferred Tax Assets and Liabilities (Detail)
Income Taxes - Summary of Deferred Tax Assets and Liabilities (Parenthetical) (Detail)
Debt - Schedule of Long-Term Debt Instruments (Detail)
Debt - Schedule of Long-Term Debt Instruments (Parenthetical) (Detail)
Debt - Schedule of Debt by Subsidiary (Detail)
Debt - Additional Information (Detail)
Shareholders' Equity - Components of Accumulated Other Comprehensive Income (Loss) (Detail)
Shareholders' Equity - Components of Accumulated Other Comprehensive Income (Loss) (Parenthetical) (Detail)
Shareholders' Equity - Additional Information (Detail)
Revenue from Contracts with Customers - Schedule of Disaggregation of Revenues (Detail)
Revenue from Contracts with Customers - Additional Information (Detail)
Statutory Accounting Practices - Additional Information (Detail)
Statutory Accounting Practices - Combined Statutory Capital and Surplus and Net Income (Detail)
Benefit Plans - Additional Information (Detail)
Benefit Plans - Weighted Average Assumptions Used to Determine Benefit Obligations (Detail)
Benefit Plans - Weighted Average Assumptions Used to Determine Net Periodic Benefit Cost (Detail)
Benefit Plans - Assumed Health Care Cost Trend Rates (Detail)
Benefit Plans - Components of Net Periodic Benefit Cost (Detail)
Benefit Plans - Reconciliation of Benefit Obligations and Plan Assets (Detail)
Benefit Plans - Amounts Recognized in the Consolidated Balance Sheets (Detail)
Benefit Plans - Amounts Recognized in Accumulated Other Comprehensive Income (Loss), Not Yet Recognized in Net Periodic (Benefit) Cost (Detail)
Benefit Plans - Information for Plans With Projected and Accumulated Benefit Obligations in Excess of Plan Assets (Detail)
Benefit Plans - Estimated Future Minimum Benefit Payments (Detail)
Benefit Plans - Pension Plan Assets Measured at Fair Value on Recurring Basis (Detail)
Benefit Plans - Other Postretirement Benefit Plan Assets Measured at Fair Value on Recurring Basis (Detail)
Reinsurance - Summary of Amounts Receivable from Reinsurers (Detail)
Reinsurance - Additional Information (Detail)
Reinsurance - Summary of Effects of Reinsurance on Earned Premiums (Detail)
Quarterly Financial Data - Schedule of Quarterly Financial Information (Detail)
Quarterly Financial Data - Schedule of Quarterly Financial Information (Parenthetical) (Detail)
Commitments and Contingencies - Additional Information (Detail)
Segments - Additional Information (Detail)
Segments - Consolidating Statement of Income and Total Assets by Segment (Detail)
Schedule I - Condensed Financial Information of Registrant - Parent Company Only, Balance Sheets (Detail)
Schedule I - Condensed Financial Information of Registrant - Parent Company Only, Statements of Income and Comprehensive Income (Loss) (Detail)
Schedule I - Condensed Financial Information of Registrant - Parent Company Only, Statements of Income and Comprehensive Income (Loss) (Parenthetical) (Detail)
Schedule I - Condensed Financial Information of Registrant - Parent Company Only, Statements of Cash Flows (Detail)
Schedule V - Supplemental Information Concerning Property and Casualty Insurance Operations (Detail)
Schedule V - Supplemental Information Concerning Property and Casualty Insurance Operations (Parenthetical) (Detail)
All Reports
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