10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q

[x] QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE

SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended March 31, 2013

OR

[ ] TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE

SECURITIES EXCHANGE ACT OF 1934

For the transition period from _____ to _____

Commission File Number 1-5823

CNA FINANCIAL CORPORATION

(Exact name of registrant as specified in its charter)

Delaware (State or other jurisdiction of incorporation or organization) 36-6169860 (I.R.S. Employer Identification No.)

333 S. Wabash Chicago, Illinois (Address of principal executive offices) 60604 (Zip Code)

(312) 822-5000

(Registrant's telephone number, including area code)

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.

Yes [x] No [ ]

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).

Yes [x] No [ ]

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company. See the definitions of “large accelerated filer,” “accelerated filer” and “smaller reporting company” in Rule 12b-2 of the Exchange Act.

Large accelerated filer [x] Accelerated filer [ ] Non-accelerated filer [ ](Do not check if a smaller reporting company) Smaller reporting company [ ]

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes [ ] No [x]

Indicate the number of shares outstanding of each of the issuer's classes of common stock, as of the latest practicable date.

Class	Outstanding at April 26, 2013
Common Stock, Par value $2.50	269,684,313

Item Number	PART I. Financial Information	Page Number
1.	Condensed Consolidated Financial Statements (Unaudited):
	Condensed Consolidated Statements of Operations for the three months ended March 31, 2013 and 2012	3
	Condensed Consolidated Statements of Comprehensive Income for the three months ended March 31, 2013 and 2012	4
	Condensed Consolidated Balance Sheets at March 31, 2013 and December 31, 2012	5
	Condensed Consolidated Statements of Cash Flows for the three months ended March 31, 2013 and 2012	6
	Condensed Consolidated Statements of Stockholders' Equity for the three months ended March 31, 2013 and 2012	8
	Notes to Condensed Consolidated Financial Statements	9
2.	Management's Discussion and Analysis of Financial Condition and Results of Operations	36
3.	Quantitative and Qualitative Disclosures About Market Risk	53
4.	Controls and Procedures	53
	PART II. Other Information
1.	Legal Proceedings	54
4.	Mine Safety Disclosures	54
6.	Exhibits	54

2

Part I. Financial Information

Item 1. Condensed Consolidated Financial Statements

CNA Financial Corporation

Condensed Consolidated Statements of Operations (Unaudited)

Three months ended March 31
(In millions, except per share data)	2013			2012
Revenues
Net earned premiums	$	1,764		$	1,649
Net investment income	633			648
Net realized investment gains (losses):
Other-than-temporary impairment losses	(18		)	(15		)
Portion of other-than-temporary impairments recognized in Other comprehensive income (loss)	—			(12		)
Net other-than-temporary impairment losses recognized in earnings	(18		)	(27		)
Other net realized investment gains	46			63
Net realized investment gains	28			36
Other revenues	78			68
Total revenues	2,503			2,401
Claims, Benefits and Expenses
Insurance claims and policyholders’ benefits	1,429			1,381
Amortization of deferred acquisition costs	328			295
Other operating expenses	341			319
Interest	42			42
Total claims, benefits and expenses	2,140			2,037
Income before income tax	363			364
Income tax expense	(113		)	(114		)
Net income	$	250		$	250
Basic and diluted earnings per share	$	0.93		$	0.93
Dividends per share	$	0.20		$	0.15
Weighted Average Outstanding Common Stock and Common Stock Equivalents
Basic	269.5			269.3
Diluted	269.9			269.7

The accompanying Notes are an integral part of these Condensed Consolidated Financial Statements

(Unaudited).

3

CNA Financial Corporation

Condensed Consolidated Statements of Comprehensive Income (Unaudited)

Three months ended March 31
(In millions)	2013			2012
Other Comprehensive Income (Loss), Net of Tax
Changes in:
Net unrealized gains on investments with other-than-temporary impairments	$	14		$	40
Net unrealized gains (losses) on other investments	(62		)	217
Net unrealized gains (losses) on investments	(48		)	257
Foreign currency translation adjustment	(61		)	21
Pension and postretirement benefits	5			6
Other comprehensive income (loss), net of tax	(104		)	284
Net income	250			250
Total comprehensive income	$	146		$	534

The accompanying Notes are an integral part of these Condensed Consolidated Financial Statements

(Unaudited).

4

CNA Financial Corporation

Condensed Consolidated Balance Sheets (Unaudited)

	March 31, 2013			December 31, 2012
(In millions, except share data)
Assets
Investments:
Fixed maturity securities at fair value (amortized cost of $38,533 and $38,170)	$	42,799		$	42,633
Equity securities at fair value (cost of $177 and $228)	201			249
Limited partnership investments	2,564			2,462
Other invested assets	49			59
Mortgage loans	425			401
Short term investments	1,555			1,832
Total investments	47,593			47,636
Cash	123			156
Reinsurance receivables (less allowance for uncollectible receivables of $71 and $73)	6,066			6,158
Insurance receivables (less allowance for uncollectible receivables of $98 and $101)	1,974			1,882
Accrued investment income	476			434
Deferred acquisition costs	641			598
Deferred income taxes	21			93
Property and equipment at cost (less accumulated depreciation of $406 and $404)	323			326
Goodwill	151			154
Other assets (includes $0 and $4 due from Loews Corporation)	1,080			773
Separate account business	279			312
Total assets	$	58,727		$	58,522
Liabilities
Insurance reserves:
Claim and claim adjustment expenses	$	24,511		$	24,763
Unearned premiums	3,759			3,610
Future policy benefits	11,469			11,475
Policyholders’ funds	154			157
Short term debt	13			13
Long term debt	2,558			2,557
Other liabilities (includes $1 and $0 due to Loews Corporation)	3,579			3,321
Separate account business	279			312
Total liabilities	46,322			46,208
Commitments and contingencies (Notes C, G and J)
Stockholders' Equity
Common stock ($2.50 par value; 500,000,000 shares authorized; 273,040,243 shares issued; 269,681,511 and 269,399,390 shares outstanding)	683			683
Additional paid-in capital	2,138			2,146
Retained earnings	8,969			8,774
Accumulated other comprehensive income	727			831
Treasury stock (3,358,732 and 3,640,853 shares), at cost	(92		)	(99		)
Notes receivable for the issuance of common stock	(20		)	(21		)
Total stockholders’ equity	12,405			12,314
Total liabilities and stockholders' equity	$	58,727		$	58,522

The accompanying Notes are an integral part of these Condensed Consolidated Financial Statements (Unaudited).

5

CNA Financial Corporation

Condensed Consolidated Statements of Cash Flows (Unaudited)

Three months ended March 31
(In millions)	2013			2012
Cash Flows from Operating Activities
Net income	$	250		$	250
Adjustments to reconcile net income to net cash flows provided by operating activities:
Loss on disposal of property and equipment	—			1
Deferred income tax expense	99			73
Trading portfolio activity	(48		)	(6		)
Net realized investment gains	(28		)	(36		)
Equity method investees	(91		)	(69		)
Amortization of investments	(10		)	(23		)
Depreciation and amortization	33			20
Changes in:
Receivables, net	(20		)	53
Accrued investment income	(42		)	(42		)
Deferred acquisition costs	(40		)	(15		)
Insurance reserves	79			99
Other assets	(20		)	73
Other liabilities	16			(67		)
Other, net	13			1
Total adjustments	(59		)	62
Net cash flows provided by operating activities	$	191		$	312
Cash Flows from Investing Activities
Dispositions:
Fixed maturity securities - sales	$	1,409		$	1,929
Fixed maturity securities - maturities, calls and redemptions	866			683
Equity securities	51			19
Limited partnerships	58			46
Mortgage loans	1			1
Purchases:
Fixed maturity securities	(2,720		)	(2,842		)
Equity securities	(12		)	(12		)
Limited partnerships	(41		)	(36		)
Mortgage loans	(25		)	(48		)
Change in other investments	3			—
Change in short term investments	264			(8		)
Purchases of property and equipment	(21		)	(22		)
Other, net	6			3
Net cash flows used by investing activities	$	(161	)	$	(287	)

The accompanying Notes are an integral part of these Condensed Consolidated Financial Statements (Unaudited).

6

Three months ended March 31
(In millions)	2013			2012
Cash Flows from Financing Activities
Dividends paid to common stockholders	$	(55	)	$	(41	)
Stock options exercised	1			—
Other, net	(2		)	(1		)
Net cash flows used by financing activities	$	(56	)	$	(42	)
Effect of foreign exchange rate changes on cash	$	(7	)	$	1
Net change in cash	$	(33	)	$	(16	)
Cash, beginning of year	156			75
Cash, end of period	$	123		$	59

The accompanying Notes are an integral part of these Condensed Consolidated Financial Statements (Unaudited).

7

CNA Financial Corporation

Condensed Consolidated Statements of Stockholders' Equity (Unaudited)

Three months ended March 31
(In millions)	2013			2012
Common Stock
Balance, beginning of period	$	683		$	683
Balance, end of period	683			683
Additional Paid-in Capital
Balance, beginning of period	2,146			2,141
Stock-based compensation	(8		)	(1		)
Balance, end of period	2,138			2,140
Retained Earnings
Balance, beginning of period	8,774			8,308
Dividends paid to common stockholders	(55		)	(41		)
Net income	250			250
Balance, end of period	8,969			8,517
Accumulated Other Comprehensive Income
Balance, beginning of period	831			480
Other comprehensive income (loss)	(104		)	284
Balance, end of period	727			764
Treasury Stock
Balance, beginning of period	(99		)	(102		)
Stock-based compensation	7			2
Balance, end of period	(92		)	(100		)
Notes Receivable for the Issuance of Common Stock
Balance, beginning of period	(21		)	(22		)
(Increase) decrease in notes receivable for the issuance of common stock	1			(1		)
Balance, end of period	(20		)	(23		)
Total Stockholders' Equity	$	12,405		$	11,981

The accompanying Notes are an integral part of these Condensed Consolidated Financial Statements (Unaudited).

8

CNA Financial Corporation

Notes to Condensed Consolidated Financial Statements

Note A. General

Basis of Presentation

The Condensed Consolidated Financial Statements (Unaudited) include the accounts of CNA Financial Corporation (CNAF) and its subsidiaries. Collectively, CNAF and its subsidiaries are referred to as CNA or the Company. The Company acquired Hardy Underwriting Bermuda Limited and its subsidiaries on July 2, 2012. Loews Corporation (Loews) owned approximately 90% of the outstanding common stock of CNAF as of March 31, 2013.

The accompanying Condensed Consolidated Financial Statements have been prepared in conformity with accounting principles generally accepted in the United States of America (GAAP). Certain financial information that is normally included in annual financial statements, including certain financial statement notes, prepared in accordance with GAAP, 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, 2012, 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 periods. Actual results may differ from those estimates.

The interim financial data as of March 31, 2013 and for the three months ended March 31, 2013 and 2012 is unaudited. However, in the opinion of management, the interim data includes all adjustments, consisting of normal recurring accruals, necessary for a fair statement of the Company's results for the interim periods. The results of operations for the interim periods are not necessarily indicative of the results to be expected for the full year. Intercompany amounts have been eliminated.

Note B. Earnings Per Share

Earnings per share is based on the weighted average number of outstanding common shares. Basic earnings (loss) per share excludes the impact of dilutive securities and is computed by dividing Net income (loss) by the weighted average number of common shares outstanding for the period. Diluted earnings (loss) 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, 2013 and 2012, approximately 372 thousand and 339 thousand potential shares attributable to exercises under stock-based employee compensation plans were included in the calculation of diluted earnings per share. For those same periods, approximately 335 thousand and 668 thousand potential shares attributable to exercises under stock-based employee compensation plans were not included in the calculation of diluted earnings per share because the effect would have been antidilutive.

9

Note C. Investments

The significant components of net investment income are presented in the following table.

Net Investment Income

Three months ended March 31
(In millions)	2013			2012
Fixed maturity securities	$	499		$	516
Short term investments	1			1
Limited partnership investments	131			130
Equity securities	3			4
Mortgage loans	5			3
Trading portfolio (a)	5			7
Other	1			1
Gross investment income	645			662
Investment expense	(12		)	(14		)
Net investment income	$	633		$	648

___________________

(a) There were $1 million of net unrealized gains for the three months ended March 31, 2013 and no net unrealized gains (losses) for the three months ended March 31, 2012 related to changes in fair value of trading securities still held included in net investment income.

Net realized investment gains (losses) are presented in the following table.

Net Realized Investment Gains (Losses)

Three months ended March 31
(In millions)	2013			2012
Net realized investment gains (losses):
Fixed maturity securities:
Gross realized gains	$	44		$	69
Gross realized losses	(12		)	(39		)
Net realized investment gains (losses) on fixed maturity securities	32			30
Equity securities:
Gross realized gains	2			3
Gross realized losses	(15		)	(2		)
Net realized investment gains (losses) on equity securities	(13		)	1
Derivatives	2			(1		)
Short term investments and other	7			6
Net realized investment gains (losses)	$	28		$	36

10

The components of net other-than-temporary impairment (OTTI) losses recognized in earnings by asset type are summarized in the following table.

Three months ended March 31
(In millions)	2013		2012
Fixed maturity securities available-for-sale:
Corporate and other bonds	$	3	$	10
Asset-backed - residential mortgage-backed	—		14
U.S. Treasury and obligations of government-sponsored enterprises	—		1
Total fixed maturity securities available-for-sale	3		25
Equity securities available-for-sale:
Common stock	—		2
Preferred stock	15		—
Total equity securities available-for-sale	15		2
Net OTTI losses recognized in earnings	$	18	$	27

A security is impaired if the fair value of the security is less than its cost adjusted for accretion, amortization and previously recorded OTTI losses, otherwise defined as an unrealized loss. When a security is impaired, the impairment is evaluated to determine whether it is temporary or other-than-temporary.

Significant judgment is required in the determination of whether an OTTI loss has occurred for a security. The Company follows a consistent and systematic process for determining and recording an OTTI loss. The Company has established a committee responsible for the OTTI process. This committee, referred to as the Impairment Committee, is made up of three officers appointed by the Company’s Chief Financial Officer (CFO). The Impairment Committee is responsible for evaluating all securities in an unrealized loss position on at least a quarterly basis.

The Impairment Committee’s assessment of whether an OTTI loss has occurred incorporates both quantitative and qualitative information. Fixed maturity securities that the Company intends to sell, or it more likely than not will be required to sell before recovery of amortized cost, are considered to be other-than-temporarily impaired and the entire difference between the amortized cost basis and fair value of the security is recognized as an OTTI loss in earnings. The remaining fixed maturity securities in an unrealized loss position are evaluated to determine if a credit loss exists. The factors considered by the Impairment Committee include (a) the financial condition and near term prospects of the issuer, (b) whether the debtor is current on interest and principal payments, (c) credit ratings of the securities and (d) general market conditions and industry or sector specific outlook. The Company also considers results and analysis of cash flow modeling for asset-backed securities, and when appropriate, other fixed maturity securities. The focus of the analysis for asset-backed securities is on assessing the sufficiency and quality of underlying collateral and timing of cash flows based on scenario tests. If the present value of the modeled expected cash flows equals or exceeds the amortized cost of a security, no credit loss is judged to exist and the asset-backed security is deemed to be temporarily impaired. If the present value of the expected cash flows is less than amortized cost, the security is judged to be other-than-temporarily impaired for credit reasons and that shortfall, referred to as the credit component, is recognized as an OTTI loss in earnings. The difference between the adjusted amortized cost basis and fair value, referred to as the non-credit component, is recognized as OTTI in Other comprehensive income (loss). In subsequent reporting periods, a change in intent to sell or further credit impairment on a security whose fair value has not deteriorated will cause the non-credit component originally recorded as OTTI in Other comprehensive income (loss) to be recognized as an OTTI loss in earnings.

The Company performs the discounted cash flow analysis using stressed scenarios to determine future expectations regarding recoverability. For asset-backed securities, significant assumptions enter into these cash flow projections including delinquency rates, probable risk of default, loss severity upon a default, over collateralization and interest coverage triggers, and credit support from lower level tranches.

11

The Company applies the same impairment model as described above for the majority of non-redeemable preferred stock securities on the basis that these securities possess characteristics similar to debt securities and that the issuers maintain their ability to pay dividends. For all other equity securities, in determining whether the security is other-than-temporarily impaired, the Impairment Committee considers a number of factors including, but not limited to: (a) the length of time and the extent to which the fair value has been less than amortized cost, (b) the financial condition and near term prospects of the issuer, (c) the intent and ability of the Company to retain its investment for a period of time sufficient to allow for an anticipated recovery in value and (d) general market conditions and industry or sector specific outlook.

The following tables provide a summary of fixed maturity and equity securities.

Summary of Fixed Maturity and Equity Securities

March 31, 2013	Cost or Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value		Unrealized OTTI Losses (Gains)
(In millions)
Fixed maturity securities available-for-sale:
Corporate and other bonds	$	19,747	$	2,562	$	18	$	22,291	$	—
States, municipalities and political subdivisions	9,599		1,408		59		10,948		—
Asset-backed:
Residential mortgage-backed	5,518		235		70		5,683		(49		)
Commercial mortgage-backed	1,853		147		10		1,990		(3		)
Other asset-backed	932		23		—		955		—
Total asset-backed	8,303		405		80		8,628		(52		)
U.S. Treasury and obligations of government-sponsored enterprises	170		11		—		181		—
Foreign government	528		24		—		552		—
Redeemable preferred stock	123		14		1		136		—
Total fixed maturity securities available-for-sale	38,470		4,424		158		42,736		$	(52	)
Total fixed maturity securities trading	63		—		—		63
Equity securities available-for-sale:
Common stock	38		17		—		55
Preferred stock	139		7		—		146
Total equity securities available-for-sale	177		24		—		201
Total	$	38,710	$	4,448	$	158	$	43,000

12

December 31, 2012	Cost or Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value		Unrealized OTTI Losses (Gains)
(In millions)
Fixed maturity securities available-for-sale:
Corporate and other bonds	$	19,530	$	2,698	$	21	$	22,207	$	—
States, municipalities and political subdivisions	9,372		1,455		44		10,783		—
Asset-backed:
Residential mortgage-backed	5,745		246		71		5,920		(28		)
Commercial mortgage-backed	1,692		147		17		1,822		(3		)
Other asset-backed	929		23		—		952		—
Total asset-backed	8,366		416		88		8,694		(31		)
U.S. Treasury and obligations of government-sponsored enterprises	172		11		1		182		—
Foreign government	588		25		—		613		—
Redeemable preferred stock	113		13		1		125		—
Total fixed maturity securities available-for-sale	38,141		4,618		155		42,604		$	(31	)
Total fixed maturity securities trading	29		—		—		29
Equity securities available-for-sale:
Common stock	38		14		—		52
Preferred stock	190		7		—		197
Total equity securities available-for-sale	228		21		—		249
Total	$	38,398	$	4,639	$	155	$	42,882

The net unrealized gains on investments included in the tables above are recorded as a component of Accumulated other comprehensive income (AOCI). When presented in AOCI, these amounts are net of tax and any required Shadow Adjustments. At March 31, 2013 and December 31, 2012, the net unrealized gains on investments included in AOCI were net of after-tax Shadow Adjustments of $1,438 million and $1,511 million. To the extent that unrealized gains on fixed income securities supporting certain products within the Life & Group Non-Core segment would result in a premium deficiency if realized, a related decrease in Deferred acquisition costs and/or increase in Insurance reserves are recorded, net of tax, as a reduction of net unrealized gains through Other comprehensive income (loss) (Shadow Adjustments).

The following tables summarize the estimated fair value and gross unrealized losses of available-for-sale fixed maturity and equity securities in a gross unrealized loss position by the length of time in which the securities have continuously been in that position.

Securities in a Gross Unrealized Loss Position

	Less than 12 Months				12 Months or Longer				Total
March 31, 2013	Estimated Fair Value		Gross Unrealized Losses		Estimated Fair Value		Gross Unrealized Losses		Estimated Fair Value		Gross Unrealized Losses
(In millions)
Fixed maturity securities available-for-sale:
Corporate and other bonds	$	951	$	13	$	50	$	5	$	1,001	$	18
States, municipalities and political subdivisions	683		16		121		43		804		59
Asset-backed:
Residential mortgage-backed	920		19		347		51		1,267		70
Commercial mortgage-backed	155		2		141		8		296		10
Total asset-backed	1,075		21		488		59		1,563		80
Redeemable preferred stock	34		1		—		—		34		1
Total	$	2,743	$	51	$	659	$	107	$	3,402	$	158

13

	Less than 12 Months				12 Months or Longer				Total
December 31, 2012	Estimated Fair Value		Gross Unrealized Losses		Estimated Fair Value		Gross Unrealized Losses		Estimated Fair Value		Gross Unrealized Losses
(In millions)
Fixed maturity securities available-for-sale:
Corporate and other bonds	$	846	$	13	$	108	$	8	$	954	$	21
States, municipalities and political subdivisions	254		5		165		39		419		44
Asset-backed:
Residential mortgage-backed	583		5		452		66		1,035		71
Commercial mortgage-backed	85		2		141		15		226		17
Total asset-backed	668		7		593		81		1,261		88
U.S. Treasury and obligations of government-sponsored enterprises	23		1		—		—		23		1
Redeemable preferred stock	28		1		—		—		28		1
Total	$	1,819	$	27	$	866	$	128	$	2,685	$	155

The amount of pretax net realized gains on available-for-sale securities reclassified out of AOCI into earnings was $19 million and $32 million for the three months ended March 31, 2013 and 2012.

Based on current facts and circumstances, the Company believes the unrealized losses presented in the March 31, 2013 Securities in a Gross Unrealized Loss Position table above, are primarily attributable to broader economic conditions, changes in interest rates and credit spreads, market illiquidity and other market factors, but are not indicative of the ultimate collectibility of the current amortized cost of the securities. The Company has no current intent to sell these securities, nor is it more likely than not that it will be required to sell prior to recovery of amortized cost; accordingly, the Company has determined that there are no additional OTTI losses to be recorded at March 31, 2013.

The following table summarizes the activity for the three months ended March 31, 2013 and 2012 related to the pretax credit loss component reflected in Retained earnings on fixed maturity securities still held at March 31, 2013 and 2012 for which a portion of an OTTI loss was recognized in Other comprehensive income (loss).

Three months ended March 31
(In millions)	2013			2012
Beginning balance of credit losses on fixed maturity securities	$	95		$	92
Additional credit losses for securities for which an OTTI loss was previously recognized	—			11
Credit losses for securities for which an OTTI loss was not previously recognized	—			1
Reductions for securities sold during the period	(3		)	(4		)
Ending balance of credit losses on fixed maturity securities	$	92		$	100

14

Contractual Maturity

The following table summarizes available-for-sale fixed maturity securities by contractual maturity at March 31, 2013 and December 31, 2012. Actual maturities may differ from contractual maturities because certain securities may be called or prepaid with or without call or prepayment penalties. Securities not due at a single date are allocated based on weighted average life.

Contractual Maturity

	March 31, 2013				December 31, 2012
(In millions)	Cost or Amortized Cost		Estimated Fair Value		Cost or Amortized Cost		Estimated Fair Value
Due in one year or less	$	1,783	$	1,819	$	1,648	$	1,665
Due after one year through five years	12,916		13,731		13,603		14,442
Due after five years through ten years	9,430		10,267		8,726		9,555
Due after ten years	14,341		16,919		14,164		16,942
Total	$	38,470	$	42,736	$	38,141	$	42,604

Investment Commitments

As of March 31, 2013, the Company had committed approximately $247 million to future capital calls from various third-party limited partnership investments in exchange for an ownership interest in the related partnerships.

As of March 31, 2013, the Company had mortgage loan commitments of $29 million representing signed loan applications received and accepted.

The Company invests in various privately placed debt securities, including bank loans, as part of its overall investment strategy and has committed to additional future purchases, sales and funding. As of March 31, 2013, the Company had commitments to purchase or fund additional amounts of $167 million and sell $210 million under the terms of such securities.

15

Note D. Derivative Financial Instruments

A summary of the recognized gains (losses) related to derivative financial instruments follows.

Recognized Gains (Losses)

Three months ended March 31
(In millions)	2013		2012
Without hedge designation
Currency forwards	$	2	$	(1	)
Total without hedge designation	2		(1		)
Trading activities
Futures sold, not yet purchased	—		1
Total	$	2	$	—

Gross estimated fair values of derivative positions are presented in Other invested assets and Other liabilities on the Condensed Consolidated Balance Sheets. There would be no significant difference in the balance included in such accounts if the estimated fair values were presented net for the periods ended March 31, 2013 and December 31, 2012. The contractual or notional amounts for derivatives are used to calculate the exchange of contractual payments under the agreements and may not be representative of the potential for gain or loss on these instruments.

Derivative Financial Instruments

March 31, 2013	Contractual/ Notional Amount		Estimated Fair Value
(In millions)			Asset		(Liability)
Without hedge designation
Credit default swaps - purchased protection	$	20	$	—	$	(1	)
Currency forwards	43		1		—
Forward commitments for mortgage-backed securities	78		—		—
Equity warrants	5		—		—
Total	$	146	$	1	$	(1	)

December 31, 2012	Contractual/ Notional Amount		Estimated Fair Value
(In millions)			Asset		(Liability)
Without hedge designation
Credit default swaps - purchased protection	$	20	$	—	$	(1	)
Currency forwards	59		—		(2		)
Equity warrants	5		—		—
Total	$	84	$	—	$	(3	)

During the three months ended March 31, 2013, new derivative transactions entered into totaled $604 million in notional value while derivative termination activity totaled $542 million. This activity was primarily attributable to forward commitments for mortgage-backed securities, interest rate futures and foreign currency forwards. During the three months ended March 31, 2012, new derivative transactions entered into totaled $332 million in notional value while derivative termination activity totaled $321 million. This activity was primarily attributable to interest rate futures and foreign currency forwards.

16

Note E. Fair Value

Fair value is the price that would be received upon sale of an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date. The following fair value hierarchy is used in selecting inputs, with the highest priority given to Level 1, as these are the most transparent or reliable.

Level 1 - Quoted prices for identical instruments in active markets.

Level 2 - Quoted prices for similar instruments in active markets; quoted prices for identical or similar instruments in markets that are not active; and model-derived valuations in which all significant inputs are observable in active markets.

Level 3 - Valuations derived from valuation techniques in which one or more significant inputs are not observable.

Prices may fall within Level 1, 2 or 3 depending upon the methodologies and inputs used to estimate fair value for each specific security. Prices are determined by a dedicated group who ultimately report to the Company's CFO. This group is responsible for valuation policies and procedures. In general the Company seeks to price securities using third-party pricing services. Securities not priced by pricing services are submitted to independent brokers for valuation and, if those are not available, internally developed pricing models are used to value assets using methodologies and inputs the Company believes market participants would use to value the assets.

The Company performs control procedures over information obtained from pricing services and brokers to ensure prices received represent a reasonable estimate of fair value and to confirm representations regarding whether inputs are observable or unobservable. Procedures include i) the review of pricing service or broker pricing methodologies, ii) back-testing, where past fair value estimates are compared to actual transactions executed in the market on similar dates, iii) exception reporting, where changes in price, period-over-period, are reviewed and challenged with the pricing service or broker based on exception criteria, iv) deep dives, where the Company independently validates detailed information regarding inputs and assumptions for individual securities and v) pricing validation, where prices received are compared to prices independently estimated by the Company.

17

Assets and Liabilities Measured at Fair Value

Assets and liabilities measured at fair value on a recurring basis are summarized below.

March 31, 2013								Total Assets/(Liabilities) at Fair Value
(In millions)	Level 1		Level 2		Level 3
Assets
Fixed maturity securities:
Corporate and other bonds	$	32	$	22,020	$	302		$	22,354
States, municipalities and political subdivisions	—		10,819		129			10,948
Asset-backed:
Residential mortgage-backed	—		5,233		450			5,683
Commercial mortgage-backed	—		1,813		177			1,990
Other asset-backed	—		559		396			955
Total asset-backed	—		7,605		1,023			8,628
U.S. Treasury and obligations of government-sponsored enterprises	155		26		—			181
Foreign government	104		448		—			552
Redeemable preferred stock	51		59		26			136
Total fixed maturity securities	342		40,977		1,480			42,799
Equity securities	120		62		19			201
Other invested assets	—		49		—			49
Short term investments	1,102		397		5			1,504
Life settlement contracts, included in Other assets	—		—		95			95
Separate account business	11		266		2			279
Total assets	$	1,575	$	41,751	$	1,601		$	44,927
Liabilities
Derivative financial instruments, included in Other liabilities	$	—	$	—	$	(1	)	$	(1	)
Total liabilities	$	—	$	—	$	(1	)	$	(1	)

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December 31, 2012									Total Assets/(Liabilities) at Fair Value
(In millions)	Level 1		Level 2			Level 3
Assets
Fixed maturity securities:
Corporate and other bonds	$	6	$	22,011		$	219		$	22,236
States, municipalities and political subdivisions	—		10,687			96			10,783
Asset-backed:
Residential mortgage-backed	—		5,507			413			5,920
Commercial mortgage-backed	—		1,693			129			1,822
Other asset-backed	—		584			368			952
Total asset-backed	—		7,784			910			8,694
U.S. Treasury and obligations of government-sponsored enterprises	158		24			—			182
Foreign government	140		473			—			613
Redeemable preferred stock	40		59			26			125
Total fixed maturity securities	344		41,038			1,251			42,633
Equity securities	117		98			34			249
Other invested assets	—		58			1			59
Short term investments	987		799			6			1,792
Life settlement contracts, included in Other assets	—		—			100			100
Separate account business	4		306			2			312
Total assets	$	1,452	$	42,299		$	1,394		$	45,145
Liabilities
Derivative financial instruments, included in Other liabilities	$	—	$	(2	)	$	(1	)	$	(3	)
Total liabilities	$	—	$	(2	)	$	(1	)	$	(3	)

19

The tables below present a reconciliation for all assets and liabilities measured at fair value on a recurring basis using significant unobservable inputs (Level 3) for the three months ended March 31, 2013 and 2012.

Level 3 (In millions)	Balance at January 1, 2013		Net realized investment gains (losses) and net change in unrealized appreciation (depreciation) included in net income (loss)*			Net change in unrealized appreciation (depreciation) included in other comprehensive income (loss)		Purchases		Sales			Settlements			Transfers into Level 3		Transfers out of Level 3			Balance at March 31, 2013			Unrealized gains (losses) on Level 3 assets and liabilities held at March 31, 2013 recognized in net income (loss)*
Fixed maturity securities:
Corporate and other bonds	$	219	$	—		$	2	$	110	$	(17	)	$	(20	)	$	26	$	(18	)	$	302		$	(1	)
States, municipalities and political subdivisions	96		(3		)	—		85		(47		)	(2		)	—		—			129			—
Asset-backed:
Residential mortgage-backed	413		3			—		61		—			(11		)	—		(16		)	450			—
Commercial mortgage-backed	129		1			5		73		—			(7		)	—		(24		)	177			—
Other asset-backed	368		3			1		136		(99		)	(13		)	—		—			396			—
Total asset-backed	910		7			6		270		(99		)	(31		)	—		(40		)	1,023			—
Redeemable preferred stock	26		—			—		—		—			—			—		—			26			—
Total fixed maturity securities	1,251		4			8		465		(163		)	(53		)	26		(58		)	1,480			(1		)
Equity securities	34		(15		)	1		—		—			—			—		(1		)	19			(15		)
Other invested assets, including derivatives, net	—		—			—		—		(1		)	—			—		—			(1		)	—
Short term investments	6		—			—		—		(1		)	—			—		—			5			—
Life settlement contracts	100		7			—		—		—			(12		)	—		—			95			—
Separate account business	2		—			—		—		—			—			—		—			2			—
Total	$	1,393	$	(4	)	$	9	$	465	$	(165	)	$	(65	)	$	26	$	(59	)	$	1,600		$	(16	)

20

Level 3 (In millions)	Balance at January 1, 2012		Net realized investment gains (losses) and net change in unrealized appreciation (depreciation) included in net income (loss)*		Net change in unrealized appreciation (depreciation) included in other comprehensive income (loss)			Purchases		Sales			Settlements			Transfers into Level 3		Transfers out of Level 3			Balance at March 31, 2012		Unrealized gains (losses) on Level 3 assets and liabilities held at March 31, 2012 recognized in net income (loss)*
Fixed maturity securities:
Corporate and other bonds	$	482	$	3	$	4		$	79	$	(86	)	$	(19	)	$	33	$	(10	)	$	486	$	—
States, municipalities and political subdivisions	171		—		2			—		—			—			—		—			173		—
Asset-backed:
Residential mortgage-backed	452		1		(4		)	38		—			(7		)	—		(33		)	447		—
Commercial mortgage-backed	59		—		4			42		—			—			—		—			105		—
Other asset-backed	343		4		4			176		(77		)	(25		)	—		(41		)	384		—
Total asset-backed	854		5		4			256		(77		)	(32		)	—		(74		)	936		—
Redeemable preferred stock	—		—		—			53		—			—			—		—			53		—
Total fixed maturity securities	1,507		8		10			388		(163		)	(51		)	33		(84		)	1,648		—
Equity securities	67		—		(3		)	11		(1		)	—			—		—			74		(2		)
Other invested assets, including derivatives, net	10		—		—			—		—			—			—		—			10		—
Short term investments	27		—		—			12		—			(39		)	—		—			—		—
Life settlement contracts	117		3		—			—		—			(5		)	—		—			115		(1		)
Separate account business	23		—		—			—		(19		)	—			—		—			4		—
Total	$	1,751	$	11	$	7		$	411	$	(183	)	$	(95	)	$	33	$	(84	)	$	1,851	$	(3	)

21

* Net realized and unrealized gains and losses shown above are reported in Net income (loss) as follows:

Major Category of Assets and Liabilities	Condensed Consolidated Statements of Operations Line Items
Fixed maturity securities available-for-sale	Net realized investment gains (losses)
Fixed maturity securities trading	Net investment income
Equity securities	Net realized investment gains (losses)
Other invested assets - Derivative financial instruments held in a trading portfolio	Net investment income
Other invested assets - Derivative financial instruments not held in a trading portfolio	Net realized investment gains (losses)
Other invested assets - Overseas deposits	Net investment income
Life settlement contracts	Other revenues

Securities shown in the Level 3 tables on the previous pages may be transferred in or out of Level 3 based on the availability of observable market information used to determine the fair value of the security. The availability of observable market information varies based on market conditions and trading volume and may cause securities to move in and out of Level 3 from reporting period to reporting period. There were no transfers between Level 1 and Level 2during the three months ended March 31, 2013 or 2012. The Company's policy is to recognize transfers between levels at the beginning of quarterly reporting periods.

Valuation Methodologies and Inputs

The following section describes the valuation methodologies and relevant inputs used to measure different financial instruments at fair value, including an indication of the level in the fair value hierarchy in which the instruments are generally classified.

Fixed Maturity Securities

Fixed maturity securities are valued using methodologies that model information generated by market transactions involving identical or comparable assets, as well as discounted cash flow methodologies. Common inputs include: prices from recently executed transactions of similar securities, broker/dealer quotes, benchmark yields, spreads off benchmark yields, interest rates, and U.S. Treasury or swap curves. Specifically for asset-backed securities, key inputs include prepayment and default projections based on past performance of the underlying collateral and current market data.

Level 1 securities include exchange traded bonds, highly liquid U.S. and foreign government bonds, and redeemable preferred stock, valued using quoted market prices. Level 2 securities include most other fixed maturity securities as the significant inputs are observable in the marketplace. Securities are generally assigned to Level 3 in cases where broker/dealer quotes are significant inputs to the valuation and there is a lack of transparency as to whether these quotes are based on information that is observable in the marketplace. Level 3 securities also include tax-exempt auction rate certificates and private placement debt securities. Fair value of auction rate securities is determined utilizing a pricing model with three primary inputs. The interest rate and spread inputs are observable from like instruments while the expected call date assumption is unobservable due to the uncertain nature of principal prepayments prior to maturity and the credit spread adjustment that is security specific. Fair value of certain private placement debt securities is determined using internal models with inputs that are not market observable.

Equity Securities

Level 1 equity securities include publicly traded securities valued using quoted market prices. Level 2 securities are primarily non-redeemable preferred stocks and common stocks valued using pricing for similar securities, recently executed transactions, broker/dealer quotes and other pricing models utilizing market observable inputs. Level 3 securities are priced using internal models with inputs that are not market observable.

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Other Invested Assets

Level 1 securities include exchange traded derivatives, primarily futures, valued using quoted market prices. Level 2 securities include overseas deposits, which can be redeemed at net asset value in 90 days or less, and derivatives, primarily currency forwards valued using observable market forward rates. Over-the-counter derivatives, principally interest rate swaps, total return swaps, credit default swaps, equity warrants and options, are valued using inputs including broker/dealer quotes and are classified within Level 3 of the valuation hierarchy due to a lack of transparency as to whether these quotes are based on information that is observable in the marketplace.

Short Term Investments

Securities that are actively traded or have quoted prices are classified as Level 1. These securities include money market funds and treasury bills. Level 2 primarily includes commercial paper, for which all inputs are market observable. Fixed maturity securities purchased within one year of maturity are classified consistent with fixed maturity securities discussed above. Short term investments as presented in the tables above differ from the amounts presented on the Condensed Consolidated Balance Sheets because certain short term investments, such as time deposits, are not measured at fair value.

Life Settlement Contracts

The fair values of life settlement contracts are determined as the present value of the anticipated death benefits less anticipated premium payments based on contract terms that are distinct for each insured, as well as the Company's own assumptions for mortality, premium expense, and the rate of return that a buyer would require on the contracts, as no comparable market pricing data is available.

Separate Account Business

Separate account business includes fixed maturity securities, equities and short term investments. The valuation methodologies and inputs for these asset types have been described above.

Significant Unobservable Inputs

The table below presents quantitative information about the significant unobservable inputs utilized by the Company in the fair value measurements of Level 3 assets. Valuations for assets and liabilities not presented in the table below are primarily based on broker/dealer quotes for which there is a lack of transparency as to inputs used to develop the valuations. The quantitative detail of these unobservable inputs is neither provided nor reasonably available to the Company.

Assets (In millions)	Fair Value at March 31, 2013		Valuation Technique(s)	Unobservable Input(s)	Range  (Weighted Average)
Fixed maturity securities	$	78	Discounted cash flow	Expected call date	3.0 - 4.6 years (4.0 years)
				Credit spread adjustment	0.02% - 0.48% (0.17%)
	$	97	Market approach	Private offering price	$34.70 - $122.09 ($102.97)
Equity securities	$	19	Market approach	Private offering price	$33.73 - $3,970.99 per share ($1,114.32 per share)
Life settlement contracts	$	95	Discounted cash flow	Discount rate risk premium	9%
				Mortality assumption	69% - 883% (209.2%)

23

Assets (In millions)	Fair Value at December 31, 2012		Valuation Technique(s)	Unobservable Input(s)	Range  (Weighted Average)
Fixed maturity securities	$	121	Discounted cash flow	Expected call date	3.3 - 5.3 years (4.3 years)
				Credit spread adjustment	0.02% - 0.48% (0.17%)
	$	72	Market approach	Private offering price	$42.39 - $102.32 ($100.11)
Equity securities	$	34	Market approach	Private offering price	$4.54 - $3,842.00 per share ($571.17 per share)
Life settlement contracts	$	100	Discounted cash flow	Discount rate risk premium	9%
				Mortality assumption	69% - 883% (208.9%)

For fixed maturity securities, an increase to the expected call date assumption and credit spread adjustment or decrease in the private offering price would result in a lower fair value measurement. For equity securities, an increase in the private offering price would result in a higher fair value measurement. For life settlement contracts, an increase in the discount rate risk premium or decrease in the mortality assumption would result in a lower fair value measurement.

Financial Assets and Liabilities Not Measured at Fair Value

The carrying amount and estimated fair value of the Company's financial instrument assets and liabilities which are not measured at fair value on the Condensed Consolidated Balance Sheets are listed in the tables below.

March 31, 2013	Carrying Amount		Estimated Fair Value
(In millions)			Level 1		Level 2		Level 3		Total
Financial assets
Notes receivable for the issuance of common stock	$	20	$	—	$	—	$	20	$	20
Mortgage loans	425		—		—		449		449
Financial liabilities
Premium deposits and annuity contracts	$	96	$	—	$	—	$	100	$	100
Short term debt	13		—		13		—		13
Long term debt	2,558		—		3,016		—		3,016

December 31, 2012	Carrying Amount		Estimated Fair Value
(In millions)			Level 1		Level 2		Level 3		Total
Financial assets
Notes receivable for the issuance of common stock	$	21	$	—	$	—	$	21	$	21
Mortgage loans	401		—		—		418		418
Financial liabilities
Premium deposits and annuity contracts	$	100	$	—	$	—	$	104	$	104
Short term debt	13		—		13		—		13
Long term debt	2,557		—		3,016		—		3,016

The following methods and assumptions were used to estimate the fair value of these financial assets and liabilities.

The fair values of Notes receivable for the issuance of common stock were estimated using discounted cash flows utilizing interest rates currently offered for obligations securitized with similar collateral, adjusted for specific note receivable risk.

The fair values of Mortgage loans were based on the present value of the expected future cash flows discounted at the current interest rate for origination of similar quality loans, adjusted for specific loan risk.

Premium deposits and annuity contracts were valued based on cash surrender values or estimated fair values of policyholder liabilities, net of amounts ceded related to sold business.

24

The Company's senior notes and debentures were valued based on observable market prices. The fair value for other debt was estimated using discounted cash flows based on current incremental borrowing rates for similar borrowing arrangements.

The carrying amounts reported on the Condensed Consolidated Balance Sheets for Cash, Short term investments not carried at fair value, Accrued investment income and certain other assets and other liabilities approximate fair value due to the short term nature of these items. These assets and liabilities are not listed in the tables above.

25

Note F. Claim and Claim Adjustment Expense Reserves

The Company's property and casualty insurance claim and claim adjustment expense reserves represent the estimated amounts necessary to resolve all outstanding claims, including IBNR claims as of the reporting date. The Company's reserve projections are based primarily on detailed analysis of the facts in each case, the Company's experience with similar cases and various historical development patterns. Consideration is given to such historical patterns as field reserving trends and claims settlement practices, loss payments, pending levels of unpaid claims and product mix, as well as court decisions, economic conditions including inflation, and public attitudes. All of these factors can affect the estimation of claim and claim adjustment expense reserves.

Establishing claim and claim adjustment expense reserves, including claim and claim adjustment expense reserves for catastrophic events that have occurred, is an estimation process. Many factors can ultimately affect the final settlement of a claim and, therefore, the necessary reserve. Changes in the law, results of litigation, medical costs, the cost of repair materials and labor rates can all affect ultimate claim costs. In addition, time can be a critical part of reserving determinations since the longer the span between the incidence of a loss and the payment or settlement of the claim, the more variable the ultimate settlement amount can be. Accordingly, short-tail claims, such as property damage claims, tend to be more reasonably estimable than long-tail claims, such as workers' compensation, general liability and professional liability claims. Adjustments to prior year reserve estimates, if necessary, are reflected in the results of operations in the period that the need for such adjustments is determined. There can be no assurance that the Company's ultimate cost for insurance losses will not exceed current estimates.

Catastrophes are an inherent risk of the property and casualty insurance business and have contributed to material period-to-period fluctuations in the Company's results of operations and/or equity. The Company reported catastrophe losses, net of reinsurance, of $39 million and $28 million for the three months ended March 31, 2013 and 2012. Catastrophe losses in the first quarter of 2013 related primarily to U.S. storms.

Net Prior Year Development

The following tables and discussion include the net prior year development recorded for CNA Specialty, CNA Commercial, Hardy and Corporate & Other Non-Core segments.

Net Prior Year Development

Three months ended March 31, 2013
(In millions)	CNA Specialty			CNA Commercial			Hardy			Corporate & Other Non-Core		Total
Pretax (favorable) unfavorable net prior year claim and allocated claim adjustment expense reserve development	$	(15	)	$	(11	)	$	(1	)	$	1	$	(26	)
Pretax (favorable) unfavorable premium development	(8		)	(10		)	4			1		(13		)
Total pretax (favorable) unfavorable net prior year development	$	(23	)	$	(21	)	$	3		$	2	$	(39	)

Three months ended March 31, 2012
(In millions)	CNA Specialty			CNA Commercial			Corporate & Other Non-Core		Total
Pretax (favorable) unfavorable net prior year claim and allocated claim adjustment expense reserve development	$	(6	)	$	(14	)	$	2	$	(18	)
Pretax (favorable) unfavorable premium development	(9		)	(17		)	1		(25		)
Total pretax (favorable) unfavorable net prior year development	$	(15	)	$	(31	)	$	3	$	(43	)

For the three months ended March 31, 2013 and 2012, favorable premium development was recorded for CNA Commercial primarily due to premium adjustments on auditable policies arising from increased exposures.

26

CNA Specialty

The following table provides further detail of the net prior year claim and allocated claim adjustment expense reserve development (development) recorded for the CNA Specialty segment for the three months ended March 31, 2013 and 2012.

Three months ended March 31
(In millions)	2013			2012
Pretax (favorable) unfavorable net prior year claim and allocated claim adjustment expense reserve development:
Medical Professional Liability	$	(3	)	$	(6	)
Other Professional Liability	(1		)	4
Surety	1			1
Warranty	—			(1		)
Other	(12		)	(4		)
Total pretax (favorable) unfavorable net prior year claim and allocated claim adjustment expense reserve development	$	(15	)	$	(6	)

2013

Overall, favorable development for medical professional liability reflects favorable experience in accident years 2009 and prior. Unfavorable development was recorded for accident years 2010 and 2011 due to higher than expected large loss activity.

Other includes standard property and casualty coverages provided to CNA Specialty customers. Favorable development for other coverages was primarily due to better than expected loss emergence in property coverages in accident years 2010 and subsequent.

2012

Favorable development for medical professional liability was primarily due to reductions in the estimated frequency of large losses in accident years 2008 and prior.

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CNA Commercial

The following table provides further detail of the development recorded for the CNA Commercial segment for the three months ended March 31, 2013 and 2012.

Three months ended March 31
(In millions)	2013			2012
Pretax (favorable) unfavorable net prior year claim and allocated claim adjustment expense reserve development:
Commercial Auto	$	(5	)	$	—
General Liability	(21		)	8
Workers' Compensation	25			(19		)
Property and Other	(10		)	(3		)
Total pretax (favorable) unfavorable net prior year claim and allocated claim adjustment expense reserve development	$	(11	)	$	(14	)

2013

Favorable development in the general liability coverages was primarily due to better than expected loss emergence in accident years 2002 and prior.

Unfavorable development for workers' compensation was primarily due to higher than expected large losses and increased severity in the state of California in accident year 2010.

2012

Overall, favorable development for workers' compensation reflects favorable experience in accident years 2001 and prior. Unfavorable development was recorded in accident year 2010 related to increased medical severity.

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Note G. Legal Proceedings and Contingent Liabilities

The Company is a party to routine litigation incidental to its business, which, based on the facts and circumstances currently known, is not material to the Condensed Consolidated Financial Statements.

Note H. Benefit Plans

The components of net periodic cost (benefit) are presented in the following table.

Net Periodic Cost (Benefit)

Three months ended March 31
(In millions)	2013			2012
Pension cost (benefit)
Service cost	$	3		$	3
Interest cost on projected benefit obligation	30			34
Expected return on plan assets	(45		)	(43		)
Amortization of net actuarial (gain) loss	12			10
Net periodic pension cost (benefit)	$	—		$	4
Postretirement cost (benefit)
Amortization of prior service credit	$	(4	)	$	(4	)
Net periodic postretirement cost (benefit)	$	(4	)	$	(4	)

Note I. Other Intangible Assets

Other intangible assets are presented in the following table.

	March 31, 2013				December 31, 2012
(In millions)	Gross Carrying Amount		Accumulated Amortization		Gross Carrying Amount		Accumulated Amortization
Finite-lived intangible assets:
Value of business acquired	$	59	$	52	$	62	$	43
Trade name	8		1		8		—
Distribution channel	12		1		13		—
Total finite-lived intangible assets	79		54		83		43
Indefinite-lived intangible assets	69				73
Total other intangible assets	$	148	$	54	$	156	$	43

For the three months ended March 31, 2013, amortization expense of $9 million was included in Amortization of deferred acquisition costs and $3 million was included in Other operating expenses in the Statement of Operations for the Hardy segment. For the three months ended March 31, 2012, no amortization expense was recognized. The gross carrying amounts and accumulated amortization in the table above may change from period to period as a result of foreign currency translation. Estimated future amortization expense for intangible assets is $7 million for the remainder of 2013, $3 million in 2014, $1 million in 2015 and $2 million in years 2016, 2017 and 2018.

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Note J. Commitments, Contingencies, and Guarantees

Commitments and Contingencies

The Company holds an investment in a real estate joint venture. In the normal course of business, the Company, on a joint and several basis with other unrelated insurance company shareholders, has committed to continue funding the operating deficits of this joint venture. Additionally, the Company and the other unrelated shareholders, on a joint and several basis, have guaranteed an operating lease for an office building, which expires in 2016. The guarantee of the operating lease is a parallel guarantee to the commitment to fund operating deficits; consequently, the separate guarantee to the lessor is not expected to be triggered as long as the joint venture continues to be funded by its shareholders which provide liquidity to make its annual lease payments.

In the event that the other parties to the joint venture are unable to meet their commitments in funding the operations of this joint venture, the Company would be required to assume the obligation for the entire office building operating lease. The Company does not believe it is likely that it will be required to do so. However, the maximum potential future lease payments and other related costs at March 31, 2013 that the Company could be required to pay under this guarantee, in excess of amounts already recorded, were approximately $98 million. If the Company were required to assume the entire lease obligation, the Company would have the right to pursue reimbursement from the other shareholders and the right to all sublease revenues.

Guarantees

In the course of selling business entities and assets to third parties, the Company has agreed to indemnify purchasers for losses arising out of breaches of representation and warranties with respect to the business entities or assets being sold, including, in certain cases, losses arising from undisclosed liabilities or certain named litigation. Such indemnification provisions generally survive for periods ranging from nine months following the applicable closing date to the expiration of the relevant statutes of limitation. As of March 31, 2013, the aggregate amount of quantifiable indemnification agreements in effect for sales of business entities, assets and third party loans was $724 million.

In addition, the Company has agreed to provide indemnification to third party purchasers for certain losses associated with sold business entities or assets that are not limited by a contractual monetary amount. As of March 31, 2013, the Company had outstanding unlimited indemnifications in connection with the sales of certain of its business entities or assets that included tax liabilities arising prior to a purchaser's ownership of an entity or asset, defects in title at the time of sale, employee claims arising prior to closing and in some cases losses arising from certain litigation and undisclosed liabilities. These indemnification agreements survive until the applicable statutes of limitation expire, or until the agreed upon contract terms expire.

As of March 31, 2013 and December 31, 2012, the Company had recorded liabilities of approximately $7 million related to indemnification agreements and management believes that it is not likely that any future indemnity claims will be significantly greater than the amounts recorded.

30

Note K. Business Segments

The Company's core property and casualty commercial insurance operations are reported in three business segments: CNA Specialty, CNA Commercial and Hardy. The Company's non-core operations are managed in two segments: Life & Group Non-Core and Corporate & Other Non-Core.

The accounting policies of the segments are the same as those described in Note A of the Consolidated Financial Statements within CNAF's Annual Report on Form 10-K for the year ended December 31, 2012. The Company manages most of its assets on a legal entity basis, while segment operations are generally conducted across legal entities. As such, only insurance and reinsurance receivables, insurance reserves, deferred acquisition costs and goodwill are readily identifiable for all individual segments. Distinct investment portfolios are not maintained for every individual segment; accordingly, allocation of assets to each segment is not performed. Therefore, a significant portion of net investment income and realized investment gains or losses are allocated primarily based on each segment's net carried insurance reserves, as adjusted. All significant intersegment income and expense has been eliminated. Income taxes have been allocated on the basis of the taxable income of the segments.

In the following tables, certain financial measures are presented to provide information used by management to monitor the Company's operating performance. Management utilizes these financial measures to monitor the Company's insurance operations and investment portfolio. Net operating income, which is derived from certain income statement amounts, is used by management to monitor performance of the Company's insurance operations. The Company's investment portfolio is monitored by management through analysis of various factors including unrealized gains and losses on securities, portfolio duration and exposure to market and credit risk. Based on such analyses, the Company may recognize an OTTI loss on an investment security in accordance with its policy, or sell a security, which may produce realized gains and losses.

Net operating income (loss) is calculated by excluding from net income (loss) the after-tax effects of 1) net realized investment gains or losses and 2) any cumulative effects of changes in accounting guidance. The calculation of net operating income excludes net realized investment gains or losses because net realized investment gains or losses are largely discretionary, except for some losses related to OTTI, and are generally driven by economic factors that are not necessarily consistent with key drivers of underwriting performance, and are therefore not considered an indication of trends in insurance operations.

The Company's results of operations and selected balance sheet items by segment are presented in the following tables.

31

Three months ended March 31, 2013	CNA Specialty			CNA Commercial			Hardy			Life & Group Non-Core			Corporate & Other Non-Core
(In millions)																Eliminations			Total
Operating revenues
Net earned premiums	$	723		$	837		$	64		$	141		$	—		$	(1	)	$	1,764
Net investment income	170			250			1			204			8			—			633
Other revenues	60			10			1			4			3			—			78
Total operating revenues	953			1,097			66			349			11			(1		)	2,475
Claims, Benefits and Expenses
Net incurred claims and benefits	465			600			31			325			4			—			1,425
Policyholders’ dividends	1			2			—			1			—			—			4
Amortization of deferred acquisition costs	150			149			21			8			—			—			328
Other insurance related expenses	71			143			16			33			—			(1		)	262
Other expenses	54			9			7			5			46			—			121
Total claims, benefits and expenses	741			903			75			372			50			(1		)	2,140
Operating income (loss) before income tax	212			194			(9		)	(23		)	(39		)	—			335
Income tax (expense) benefit on operating income (loss)	(72		)	(69		)	1			23			13			—			(104		)
Net operating income (loss)	140			125			(8		)	—			(26		)	—			231
Net realized investment gains (losses)	3			4			1			14			6			—			28
Income tax (expense) benefit on net realized investment gains (losses)	(1		)	(1		)	—			(5		)	(2		)	—			(9		)
Net realized investment gains (losses), after-tax	2			3			1			9			4			—			19
Net income (loss)	$	142		$	128		$	(7	)	$	9		$	(22	)	$	—		$	250

March 31, 2013
(In millions)
Reinsurance receivables	$	662	$	1,170	$	251	$	1,273	$	2,781	$	—		$	6,137
Insurance receivables	$	707	$	1,168	$	181	$	13	$	3	$	—		$	2,072
Deferred acquisition costs	$	313	$	287	$	41	$	—	$	—	$	—		$	641
Goodwill	$	117	$	—	$	34	$	—	$	—	$	—		$	151
Insurance reserves
Claim and claim adjustment expenses	$	6,807	$	11,105	$	470	$	3,031	$	3,098	$	—		$	24,511
Unearned premiums	1,770		1,629		218		143		—		(1		)	3,759
Future policy benefits	—		—		—		11,469		—		—			11,469
Policyholders’ funds	9		14		—		131		—		—			154

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Three months ended March 31, 2012	CNA Specialty			CNA Commercial			Hardy	Life & Group Non-Core			Corporate & Other Non-Core
(In millions)														Eliminations		Total
Operating revenues
Net earned premiums	$	706		$	803			$	141		$	(1	)	$	—	$	1,649
Net investment income	175			265				198			10			—		648
Other revenues	56			9				(2		)	5			—		68
Total operating revenues	937			1,077				337			14			—		2,365
Claims, Benefits and Expenses
Net incurred claims and benefits	468			567				336			7			—		1,378
Policyholders’ dividends	(2		)	3				2			—			—		3
Amortization of deferred acquisition costs	148			139				8			—			—		295
Other insurance related expenses	72			144				35			(1		)	—		250
Other expenses	50			7				6			48			—		111
Total claims, benefits and expenses	736			860				387			54			—		2,037
Operating income (loss) before income tax	201			217				(50		)	(40		)	—		328
Income tax (expense) benefit on operating income (loss)	(69		)	(78		)		31			14			—		(102		)
Net operating income (loss)	132			139				(19		)	(26		)	—		226
Net realized investment gains (losses)	8			11				13			4			—		36
Income tax (expense) benefit on net realized investment gains (losses)	(2		)	(4		)		(5		)	(1		)	—		(12		)
Net realized investment gains (losses), after-tax	6			7				8			3			—		24
Net income (loss)	$	138		$	146			$	(11	)	$	(23	)	$	—	$	250

December 31, 2012
(In millions)
Reinsurance receivables	$	665	$	1,155	$	294	$	1,273	$	2,844	$	—	$	6,231
Insurance receivables	$	673	$	1,116	$	181	$	9	$	4	$	—	$	1,983
Deferred acquisition costs	$	300	$	269	$	29	$	—	$	—	$	—	$	598
Goodwill	$	117	$	—	$	37	$	—	$	—	$	—	$	154
Insurance reserves
Claim and claim adjustment expenses	$	6,748	$	11,326	$	521	$	3,006	$	3,162	$	—	$	24,763
Unearned premiums	1,685		1,569		222		134		—		—		3,610
Future policy benefits	—		—		—		11,475		—		—		11,475
Policyholders’ funds	8		15		—		134		—		—		157

33

The following table provides revenue by line of business for each reportable segment. Revenues are comprised of operating revenues and net realized investment gains and losses.

Revenues by Line of Business

Three months ended March 31
(In millions)	2013			2012
CNA Specialty
International	$	59		$	57
Professional & Management Liability	700			694
Surety	116			119
Warranty & Alternative Risks	81			75
CNA Specialty revenues	956			945
CNA Commercial
Commercial Insurance	826			835
International	93			91
Small Business	182			162
CNA Commercial revenues	1,101			1,088
Hardy revenues	67
Life & Group Non-Core
Health	298			291
Life & Annuity	61			60
Other	4			(1		)
Life & Group Non-Core revenues	363			350
Corporate & Other Non-Core revenues	17			18
Eliminations	(1		)	—
Total revenues	$	2,503		$	2,401

34

Note L. Changes in Accumulated Other Comprehensive Income (Loss) by Component

The table below presents the change in Accumulated other comprehensive income (loss) by component for the three months ended March 31, 2013.

Changes in Accumulated Other Comprehensive Income (Loss)

(In millions)	Net unrealized gains (losses) on investments with OTTI losses		Net unrealized gains (losses) on other investments			Pension and postretirement benefits			Cumulative foreign currency translation adjustment			Total
Balance at January 1, 2013	$	20	$	1,371		$	(721	)	$	161		$	831
Other comprehensive income (loss) before reclassifications	14		(49		)	—			(61		)	(96		)
Amounts reclassified from accumulated other comprehensive income (loss) after tax (expense) benefit of $0, $(6), $3, $0, and $(3)	—		13			(5		)	—			8
Other comprehensive income (loss) after tax (expense) benefit of $(7), $35, $(3), $0, and $25	14		(62		)	5			(61		)	(104		)
Balance at March 31, 2013	$	34	$	1,309		$	(716	)	$	100		$	727

Amounts reclassified from Accumulated other comprehensive income (loss) shown above are reported in Net income (loss) as follows:

Component of AOCI	Condensed Consolidated Statements of Operations Line Item Affected by Reclassifications
Net unrealized gains (losses) on investments with OTTI losses	Net realized investment gains (losses)
Net unrealized gains (losses) on other investments	Net realized investment gains (losses)
Pension and postretirement benefits	Other operating expenses

35

Item 2. Management's Discussion and Analysis (MD&A) of Financial Condition and Results of Operations

Overview

The following discussion highlights significant factors affecting the Company. References to “we,” “our,” “us” or like terms refer to the business of CNA. Based on 2011 statutory net written premiums, we are the seventh largest commercial insurance writer and the 13^th largest property and casualty insurance organization in the United States of America.

The following discussion should be read in conjunction with the Condensed Consolidated Financial Statements included under Part I, Item 1 of this Form 10-Q and Item 1A Risk Factors and Item 7 Management's Discussion and Analysis of Financial Condition and Results of Operations, which are included in our Annual Report on Form 10-K filed with the SEC for the year ended December 31, 2012.

We utilize the net operating income financial measure to monitor our operations. Net operating income is calculated by excluding from net income (loss) the after-tax effects of 1) net realized investment gains or losses and 2) any cumulative effects of changes in accounting guidance. See further discussion regarding how we manage our business in Note K to the Condensed Consolidated Financial Statements included under Part I, Item 1. In the evaluation of the results of our CNA Specialty, CNA Commercial and Hardy segments, we utilize the loss ratio, the expense ratio, the dividend ratio and the combined ratio. These ratios are calculated using GAAP financial results. The loss ratio is the percentage of net incurred claim and claim adjustment expenses to net earned premiums. The expense ratio is the percentage of insurance underwriting and acquisition expenses, including the amortization of deferred acquisition costs, to net earned premiums. The dividend ratio is the ratio of policyholders' dividends incurred to net earned premiums. The combined ratio is the sum of the loss, expense and dividend ratios.

Changes in estimates of claim and allocated claim adjustment expense reserves and premium accruals, net of reinsurance, for prior years are defined as net prior year development within this MD&A. These changes can be favorable or unfavorable. Net prior year development does not include the impact of related acquisition expenses. Further information on our reserves is provided in Note F to the Condensed Consolidated Financial Statements included under Part I, Item 1.

36

CONSOLIDATED OPERATIONS

Results of Operations

The following table includes the consolidated results of our operations. For more detailed components of our business operations and the net operating income financial measure, see the segment discussions within this MD&A.

Three months ended March 31
(In millions)	2013			2012
Operating Revenues
Net earned premiums	$	1,764		$	1,649
Net investment income	633			648
Other revenues	78			68
Total operating revenues	2,475			2,365
Claims, Benefits and Expenses
Net incurred claims and benefits	1,425			1,378
Policyholders' dividends	4			3
Amortization of deferred acquisition costs	328			295
Other insurance related expenses	262			250
Other expenses	121			111
Total claims, benefits and expenses	2,140			2,037
Operating income (loss) before income tax	335			328
Income tax (expense) benefit on operating income (loss)	(104		)	(102		)
Net operating income (loss)	231			226
Net realized investment gains (losses)	28			36
Income tax (expense) benefit on net realized investment gains (losses)	(9		)	(12		)
Net realized investment gains (losses), after-tax	19			24
Net income (loss)	$	250		$	250

Net income for the three months ended March 31, 2013 was comparable with the same period in 2012. Increased net operating income was offset by lower net realized investment gains.

Net realized investment gains, after-tax, decreased $5 million for the three months ended March 31, 2013 as compared with the same period in 2012. See the Investments section of this MD&A for further discussion of net investment income and net realized investment results.

Net operating income increased $5 million for the three months ended March 31, 2013 as compared with the same period in 2012. Net operating income decreased $14 million for our core segments, CNA Specialty, CNA Commercial and Hardy. This decrease was primarily due to lower net investment income, higher catastrophe losses and decreased favorable net prior year development. These unfavorable impacts were partially offset by improved non-catastrophe current accident year underwriting results. Catastrophe losses were $25 million after-tax for the three months ended March 31, 2013 as compared with $18 million after-tax for the same period in 2012. Net operating results improved $19 million for our non-core segments, primarily related to results in our Life & Group Non-Core segment. See the Life & Group Non-Core and Corporate & Other Non-Core sections of this MD&A for further discussion of our non-core results.

Favorable net prior year development of $39 million and $43 million was recorded for the three months ended March 31, 2013 and 2012 related to our CNA Specialty, CNA Commercial, Hardy and Corporate & Other Non-Core segments. Further information on net prior year development for the three months ended March 31, 2013 and 2012 is included in Note F to the Condensed Consolidated Financial Statements included under Part I, Item 1.

Net earned premiums increased $115 million for the three months ended March 31, 2013 as compared with the same period in 2012, driven by the acquisition of Hardy in July of 2012, a $34 million increase in CNA Commercial and a $17 million increase in CNA Specialty. See the Segment Results section of this MD&A for further discussion.

37

CRITICAL ACCOUNTING ESTIMATES

The preparation of the Condensed Consolidated Financial Statements (Unaudited) in conformity with GAAP requires us 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 amounts of revenues and expenses reported during the period. Actual results may differ from those estimates.

Our Condensed Consolidated Financial Statements and accompanying notes have been prepared in accordance with GAAP applied on a consistent basis. We continually evaluate the accounting policies and estimates used to prepare the Condensed Consolidated Financial Statements. In general, our estimates are based on historical experience, evaluation of current trends, information from third party professionals and various other assumptions that are believed to be reasonable under the known facts and circumstances.

The accounting estimates below are considered by us to be critical to an understanding of our Condensed Consolidated Financial Statements as their application places the most significant demands on our judgment.

• Insurance Reserves

• Reinsurance and Insurance Receivables

• Valuation of Investments and Impairment of Securities

• Long Term Care Products and Payout Annuity Contracts

• Pension and Postretirement Benefit Obligations

• Income Taxes

Due to the inherent uncertainties involved with these types of judgments, actual results could differ significantly from estimates and may have a material adverse impact on our results of operations or equity. See the Critical Accounting Estimates section of our Management's Discussion and Analysis of Financial Condition and Results of Operations included under Item 7 of our Annual Report on Form 10-K for the year ended December 31, 2012 for further information.

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SEGMENT RESULTS

The following discusses the results of operations for our operating segments.

CNA Specialty

The following table details the results of operations for CNA Specialty.

Results of Operations

Three months ended March 31
(In millions, except ratios)	2013			2012
Net written premiums	$	803		$	765
Net earned premiums	723			706
Net investment income	170			175
Net operating income (loss)	140			132
Net realized investment gains (losses), after-tax	2			6
Net income (loss)	142			138
Ratios
Loss and loss adjustment expense	64.3		%	66.3		%
Expense	30.5			31.3
Dividend	0.2			(0.3		)
Combined	95.0		%	97.3		%

Net written premiums for CNA Specialty increased $38 million for the three months ended March 31, 2013 as compared with the same period in 2012, primarily driven by increased rate. Net earned premiums increased $17 million as compared with the same period in 2012, consistent with increased net written premiums over recent quarters.

CNA Specialty's average rate increased 7% for the three months ended March 31, 2013, as compared with an increase of 3% for the three months ended March 31, 2012, for the policies that renewed in each period. Retention of 86% was achieved in each period.

Net income increased $4 million for the three months ended March 31, 2013 as compared with the same period in 2012. This increase was due to higher net operating income, partially offset by decreased net realized investment gains.

Net operating income increased $8 million for the three months ended March 31, 2013 as compared with the same period in 2012. This increase was primarily due to improved underwriting results, partially offset by lower net investment income.

The combined ratio improved 2.3 points for the three months ended March 31, 2013 as compared with the same period in 2012. The loss ratio decreased 2.0 points, due to both higher favorable net prior year development and an improved current accident year loss ratio. The expense ratio improved 0.8 point for the three months ended March 31, 2013 as compared with the same period in 2012, primarily due to the impact of a higher net earned premium base.

Favorable net prior year development of $23 million and $15 million was recorded for the three months ended March 31, 2013 and 2012. Further information on CNA Specialty's net prior year development for the three months ended March 31, 2013 and 2012 is included in Note F to the Condensed Consolidated Financial Statements included under Part I, Item 1.

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The following table summarizes the gross and net carried reserves as of March 31, 2013 and December 31, 2012 for CNA Specialty.

Gross and Net Carried Claim and Claim Adjustment Expense Reserves

	March 31,  2013		December 31, 2012
(In millions)
Gross Case Reserves	$	2,298	$	2,292
Gross IBNR Reserves	4,509		4,456
Total Gross Carried Claim and Claim Adjustment Expense Reserves	$	6,807	$	6,748
Net Case Reserves	$	2,017	$	2,008
Net IBNR Reserves	4,136		4,104
Total Net Carried Claim and Claim Adjustment Expense Reserves	$	6,153	$	6,112

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CNA Commercial

The following table details the results of operations for CNA Commercial.

Results of Operations

Three months ended March 31
(In millions, except ratios)	2013			2012
Net written premiums	$	918		$	843
Net earned premiums	837			803
Net investment income	250			265
Net operating income (loss)	125			139
Net realized investment gains (losses), after-tax	3			7
Net income (loss)	128			146
Ratios
Loss and loss adjustment expense	71.7		%	70.7		%
Expense	35.0			35.1
Dividend	0.1			0.4
Combined	106.8		%	106.2		%

Net written premiums for CNA Commercial increased $75 million for the three months ended March 31, 2013 as compared with the same period in 2012, primarily driven by increased rate. Net earned premiums increased $34 million for the three months ended March 31, 2013 as compared with the same period in 2012. This increase was primarily driven by the increase in net written premiums over recent quarters.

CNA Commercial's average rate increased 9% for the three months ended March 31, 2013, as compared with an increase of 5% for the three months ended March 31, 2012 for the policies that renewed in each period. Retention of 78% and 77% was achieved in each period.

Net income decreased $18 million for the three months ended March 31, 2013 as compared with the same period in 2012. This decrease was due to lower net operating income and decreased net realized investment gains.

Net operating income decreased $14 million for the three months ended March 31, 2013 as compared with the same period in 2012. This decrease was primarily due to lower net investment income, higher catastrophe losses and decreased favorable net prior year development. These unfavorable impacts were partially offset by improved non-catastrophe current accident year underwriting results.

The combined ratio increased 0.6 point for the three months ended March 31, 2013 as compared with the same period in 2012. The loss ratio increased 1.0 point, primarily due to the impacts of higher catastrophe losses and decreased favorable net prior year development, partially offset by an improved current accident year non-catastrophe loss ratio. Catastrophe losses were $38 million, or 4.6 points of the loss ratio, for the three months ended March 31, 2013, as compared with $26 million, or 3.3 points of the loss ratio, for the three months ended March 31, 2012.

Favorable net prior year development of $21 million and $31 million was recorded for the three months ended March 31, 2013 and 2012. Further information on CNA Commercial net prior year development for the three months ended March 31, 2013 and 2012 is included in Note F to the Condensed Consolidated Financial Statements included under Part I, Item 1.

41

The following table summarizes the gross and net carried reserves as of March 31, 2013 and December 31, 2012 for CNA Commercial.

Gross and Net Carried Claim and Claim Adjustment Expense Reserves

(In millions)	March 31, 2013		December 31, 2012
Gross Case Reserves	$	6,083	$	6,146
Gross IBNR Reserves	5,022		5,180
Total Gross Carried Claim and Claim Adjustment Expense Reserves	$	11,105	$	11,326
Net Case Reserves	$	5,553	$	5,611
Net IBNR Reserves	4,432		4,600
Total Net Carried Claim and Claim Adjustment Expense Reserves	$	9,985	$	10,211

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Hardy

The following table details the results of operations for Hardy.

Results of Operations

Three months ended March 31
(In millions, except ratios)	2013
Net written premiums	$	55
Net earned premiums	64
Net investment income	1
Net operating income (loss)	(8		)
Net realized investment gains (losses), after-tax	1
Net income (loss)	(7		)
Ratios
Loss and loss adjustment expense	48.7		%
Expense	56.8
Dividend	—
Combined	105.5		%

The composition of net earned premiums for Hardy was $32 million for marine and aviation, $19 million for non-marine property, $7 million for specialty lines and $6 million for property treaty reinsurance.

Hardy's average rate increased 1% for the three months ended March 31, 2013 for the policies that renewed in the period. Retention of 70% was achieved in the period.

Results included non-run rate purchase accounting expenses of $3 million and foreign currency transaction losses of $2 million. Further information on Hardy's amortization expense is included in Note I to the Condensed Consolidated Financial Statements included under Part I, Item 1.

No catastrophe losses were incurred for the three months ended March 31, 2013. The expense ratio was adversely affected by the level of premiums, including unfavorable premium development of $4 million.

Unfavorable net prior year development of $3 million was recorded for the three months ended March 31, 2013.

The following table summarizes the gross and net carried reserves as of March 31, 2013 and December 31, 2012 for Hardy.

Gross and Net Carried Claim and Claim Adjustment Expense Reserves

(In millions)	March 31, 2013		December 31, 2012
Gross Case Reserves	$	320	$	333
Gross IBNR Reserves	150		188
Total Gross Carried Claim and Claim Adjustment Expense Reserves	$	470	$	521
Net Case Reserves	$	180	$	192
Net IBNR Reserves	78		82
Total Net Carried Claim and Claim Adjustment Expense Reserves	$	258	$	274

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Life & Group Non-Core

The following table summarizes the results of operations for Life & Group Non-Core.

Results of Operations

Three months ended March 31
(In millions)	2013		2012
Net earned premiums	$	141	$	141
Net investment income	204		198
Net operating income (loss)	—		(19		)
Net realized investment gains (losses), after-tax	9		8
Net income (loss)	9		(11		)

Net earned premiums for Life & Group Non-Core were comparable for the three months ended March 31, 2013 and the same period in 2012. Net earned premiums relate primarily to the individual and group long term care businesses. Premiums in the current period were affected by the lapsing of policies and rate increase actions in our run-off individual long term care business.

Net results improved $20 million for the three months ended March 31, 2013 as compared with the same period in 2012. While the improved results reflect favorable mortality outcomes across all of our life businesses, theywere primarily attributable to favorable morbidity and persistency in our long term care business.

44

Corporate & Other Non-Core

The following table summarizes the results of operations for the Corporate & Other Non-Core segment, including asbestos and environmental pollution (A&EP) and intersegment eliminations.

Results of Operations

Three months ended March 31
(In millions)	2013			2012
Net investment income	$	8		$	10
Net operating income (loss)	(26		)	(26		)
Net realized investment gains (losses), after-tax	4			3
Net income (loss)	(22		)	(23		)

Corporate & Other Non-Core primarily includes certain corporate expenses, including interest on corporate debt, and the results of certain property and casualty business in run-off, including CNA Re and A&EP. Results in 2013 were comparable to the prior year period.

Unfavorable net prior year development of $2 million and $3 million was recorded for the three months ended March 31, 2013 and 2012.

The following table summarizes the gross and net carried reserves as of March 31, 2013 and December 31, 2012 for Corporate & Other Non-Core.

Gross and Net Carried Claim and Claim Adjustment Expense Reserves

(In millions)	March 31, 2013		December 31, 2012
Gross Case Reserves	$	1,177	$	1,207
Gross IBNR Reserves	1,921		1,955
Total Gross Carried Claim and Claim Adjustment Expense Reserves	$	3,098	$	3,162
Net Case Reserves	$	290	$	292
Net IBNR Reserves	211		220
Total Net Carried Claim and Claim Adjustment Expense Reserves	$	501	$	512

45

INVESTMENTS

Net Investment Income

The significant components of pretax net investment income are presented in the following table.

Net Investment Income

Three months ended March 31
(In millions)	2013			2012
Fixed maturity securities	$	499		$	516
Short term investments	1			1
Limited partnership investments	131			130
Equity securities	3			4
Mortgage loans	5			3
Trading portfolio	5			7
Other	1			1
Gross investment income	645			662
Investment expense	(12		)	(14		)
Net investment income	$	633		$	648

Net investment income for the three months ended March 31, 2013 decreased $15 million as compared with the same period in 2012. The decrease was primarily driven by lower fixed maturity securities income due to the effect of purchasing investments at lower interest rates, partially offset by a higher invested asset base.

The fixed maturity investment portfolio provided a pretax effective income yield of 5.2% and 5.5% for the three months ended March 31, 2013 and 2012. Tax-exempt municipal bonds generated $69 million of net investment income for the three months ended March 31, 2013 compared with $66 million of net investment income for the same period in 2012.

46

Net Realized Investment Gains (Losses)

The components of net realized investment results are presented in the following table.

Net Realized Investment Gains (Losses)

Three months ended March 31
(In millions)	2013			2012
Fixed maturity securities:
Corporate and other bonds	$	31		$	23
States, municipalities and political subdivisions	(2		)	15
Asset-backed	3			(12		)
U.S. Treasury and obligations of government-sponsored enterprises	—			1
Foreign government	—			3
Total fixed maturity securities	32			30
Equity securities	(13		)	1
Derivative securities	2			(1		)
Short term investments and other	7			6
Net realized investment gains (losses)	28			36
Income tax (expense) benefit on net realized investment gains (losses)	(9		)	(12		)
Net realized investment gains (losses), after-tax	$	19		$	24

Net realized investment gains, after-tax, decreased $5 million for the three months ended March 31, 2013 as compared with the same period in 2012, driven by lower realized gains on sales of securities, partially offset by lower OTTI losses recognized in earnings. Further information on our realized gains and losses, including our OTTI losses and impairment decision process, is set forth in Note C to the Condensed Consolidated Financial Statements included under Part I, Item 1.

Portfolio Quality

Our fixed maturity portfolio consists primarily of high quality bonds, 91% and 92% of which were rated as investment grade (rated BBB- or higher) at March 31, 2013 and December 31, 2012. The classification between investment grade and non-investment grade is based on a ratings methodology that takes into account ratings from Standard & Poor's (S&P) and Moody's Investors Service, Inc. (Moody's), in that order of preference. If a security is not rated by these rating agencies, we formulate an internal rating. At March 31, 2013 and December 31, 2012, approximately 98% of the fixed maturity portfolio was rated by S&P or Moody's, or was issued or guaranteed by the U.S. Government, Government agencies or Government-sponsored enterprises.

The following table summarizes the ratings of our fixed maturity portfolio at fair value.

Fixed Maturity Ratings

(In millions)	March 31, 2013		%		December 31, 2012		%
U.S. Government, Government agencies and Government-sponsored enterprises	$	4,230	10	%	$	4,540	11	%
AAA rated	3,128		7		3,224		8
AA and A rated	19,875		46		19,305		45
BBB rated	11,911		28		11,997		28
Non-investment grade	3,655		9		3,567		8
Total	$	42,799	100	%	$	42,633	100	%

47

Non-investment grade fixed maturity securities, as presented in the table below, include high-yield securities rated below BBB- by bond rating agencies and other unrated securities that, according to our analysis, are below investment grade. Non-investment grade securities generally involve a greater degree of risk than investment grade securities. The amortized cost of our non-investment grade fixed maturity bond portfolio was $3,416 million and $3,355 million at March 31, 2013 and December 31, 2012. The following table summarizes the ratings of this portfolio at fair value.

Non-investment Grade

(In millions)	March 31, 2013		%		December 31, 2012		%
BB	$	1,593	43	%	$	1,529	43	%
B	1,087		30		1,075		30
CCC - C	757		21		724		20
D	218		6		239		7
Total	$	3,655	100	%	$	3,567	100	%

The following table summarizes available-for-sale fixed maturity securities in a gross unrealized loss position by ratings distribution as of March 31, 2013.

Gross Unrealized Losses by Ratings Distribution

March 31, 2013	Estimated Fair Value		%		Gross Unrealized Losses		%
(In millions)
U.S. Government, Government agencies and Government-sponsored enterprises	$	864	25	%	$	50	32	%
AAA	185		5		9		5
AA	600		18		50		32
A	412		12		6		4
BBB	774		23		25		16
Non-Investment Grade	567		17		18		11
Total	$	3,402	100	%	$	158	100	%

The following table provides the maturity profile for these available-for-sale fixed maturity securities. Securities not due to mature on a single date are allocated based on weighted average life.

Gross Unrealized Losses by Maturity Profile

March 31, 2013	Estimated Fair Value		%		Gross Unrealized Losses		%
Due in one year or less	$	206	6	%	$	4	2	%
Due after one year through five years	914		27		25		16
Due after five years through ten years	1,182		35		61		39
Due after ten years	1,100		32		68		43
Total	$	3,402	100	%	$	158	100	%

48

Duration

A primary objective in the management of the investment portfolio is to optimize return relative to corresponding liabilities and respective liquidity needs. Our views on the current interest rate environment, tax regulations, asset class valuations, specific security issuer and broader industry segment conditions, and the domestic and global economic conditions, are some of the factors that enter into an investment decision. We also continually monitor exposure to issuers of securities held and broader industry sector exposures and may from time to time adjust such exposures based on our views of a specific issuer or industry sector.

A further consideration in the management of the investment portfolio is the characteristics of the corresponding liabilities and the ability to align the duration of the portfolio to those liabilities and to meet future liquidity needs, minimize interest rate risk and maintain a level of income sufficient to support the underlying insurance liabilities. For portfolios where future liability cash flows are determinable and typically long term in nature, we segregate investments for asset/liability management purposes. The segregated investments support the liabilities in the Life & Group Non-Core segment including annuities, structured settlements and long term care products.

The effective durations of fixed maturity securities, short term investments and interest rate derivatives are presented in the table below. Short term investments are net of payable and receivable amounts for securities purchased and sold, but not yet settled.

Effective Durations

	March 31, 2013			December 31, 2012
(In millions)	Fair Value		Effective Duration (In years)	Fair Value		Effective Duration (In years)
Investments supporting Life & Group Non-Core	$	15,723	11.1	$	15,590	11.3
Other interest sensitive investments	28,651		4.1	28,855		3.9
Total	$	44,374	6.6	$	44,445	6.5

The investment portfolio is periodically analyzed for changes in duration and related price risk. Additionally, we periodically review the sensitivity of the portfolio to the level of foreign exchange rates and other factors that contribute to market price changes. A summary of these risks and specific analysis on changes is included in the Quantitative and Qualitative Disclosures About Market Risk in Item 7A of our Annual Report on Form 10-K for the year ended December 31, 2012.

Short Term Investments

The carrying value of the components of the short term investment portfolio is presented in the following table.

Short Term Investments

(In millions)	March 31, 2013		December 31, 2012
Short term investments:
Commercial paper	$	345	$	751
U.S. Treasury securities	771		617
Money market funds	249		301
Other	190		163
Total short term investments	$	1,555	$	1,832

49

LIQUIDITY AND CAPITAL RESOURCES

Cash Flows

Our primary operating cash flow sources are premiums and investment income from our insurance subsidiaries. Our primary operating cash flow uses are payments for claims, policy benefits and operating expenses, including interest expense on corporate debt. Additionally, cash may be paid or received for income taxes.

For the three months ended March 31, 2013, net cash provided by operating activities was $191 million as compared with $312 million for the same period in 2012. Cash provided by operating activities in 2012 was favorably affected by a $75 million tax refund. Additionally, because cash receipts and cash payments resulting from purchases and sales of trading securities are reported as cash flows related to operating activities, during 2013 operating cash flows were decreased by $48 million as compared to a decrease of $6 million during 2012 related to trading activity.

Cash flows from investing activities include the purchase and disposition of available-for-sale financial instruments. Additionally, cash flows from investing activities may include the purchase and sale of businesses, land, buildings, equipment and other assets not generally held for resale.

For the three months ended March 31, 2013, net cash used by investing activities was $161 million as compared with net cash used of $287 million for the same period in 2012. The cash flow from investing activities is affected by various factors such as the anticipated payment of claims, financing activity, asset/liability management and individual security buy and sell decisions made in the normal course of portfolio management.

Cash flows from financing activities may include proceeds from the issuance of debt and equity securities, outflows for stockholder dividends or repayment of debt and outlays to reacquire equity instruments.

For the three months ended March 31, 2013, net cash used by financing activities was $56 million as compared with $42 million for the same period in 2012. Net cash used by financing activities in both periods was primarily related to the payment of dividends to common stockholders.

Common Stock Dividends

Dividends of $0.20 per share of our common stock were declared and paid in the first quarter of 2013. On April 26, 2013, our Board of Directors declared a quarterly dividend of $0.20 per share, payable May 29, 2013 to stockholders of record on May 13, 2013. The declaration and payment of future dividends to holders of our common stock will be at the discretion of our Board of Directors and will depend on many factors, including our earnings, financial condition, business needs, and regulatory constraints.

Liquidity

We believe that our present cash flows from operations, investing activities and financing activities are sufficient to fund our current and expected working capital and debt obligation needs and we do not expect this to change in the near term. There are currently no amounts outstanding under our $250 million senior unsecured revolving credit facility.

During the first quarter of 2013, Continental Casualty Company (CCC), our primary operating subsidiary, paid a dividend of $100 million to CNAF. As of March 31, 2013, CCC is able to pay approximately $600 million of dividends during the remainder of 2013 that would not be subject to the prior approval of the Illinois Department of Insurance.

We have an effective automatic shelf registration statement under which we may issue debt, equity or hybrid securities.

50

FORWARD-LOOKING STATEMENTS

This report contains a number of forward-looking statements which relate to anticipated future events rather than actual present conditions or historical events. These statements are made pursuant to the safe harbor provisions of the Private Securities Litigation Reform Act of 1995 and generally include words such as “believes,” “expects,” “intends,” “anticipates,” “estimates,” and similar expressions. Forward-looking statements in this report include any and all statements regarding expected developments in our insurance business, including losses and loss reserves for asbestos and environmental pollution and other mass tort claims which are more uncertain, and therefore more difficult to estimate than loss reserves respecting traditional property and casualty exposures; the impact of routine ongoing insurance reserve reviews we are conducting; our expectations concerning our revenues, earnings, expenses and investment activities; volatility in investment returns; expected cost savings and other results from our expense reduction activities; and our proposed actions in response to trends in our business. Forward-looking statements, by their nature, are subject to a variety of inherent risks and uncertainties that could cause actual results to differ materially from the results projected in the forward-looking statement. We cannot control many of these risks and uncertainties. These risks and uncertainties include, but are not limited to, the following:

Company-Specific Factors

• the risks and uncertainties associated with our loss reserves, as outlined in the Critical Accounting Estimates and the Reserves - Estimates and Uncertainties sections of our Annual Report on Form 10-K, including the sufficiency of the reserves and the possibility for future increases, which would be reflected in the results of operations in the period that the need for such adjustment is determined;

• the risk that the other parties to the transaction in which, subject to certain limitations, we ceded our legacy A&EP liabilities will not fully perform their obligations to CNA, the uncertainty in estimating loss reserves for A&EP liabilities and the possible continued exposure of CNA to liabilities for A&EP claims that are not covered under the terms of the transaction;

• the performance of reinsurance companies under reinsurance contracts with us; and

• the consummation of contemplated transactions and the successful integration of acquired operations.

Industry and General Market Factors

• the impact of competitive products, policies and pricing and the competitive environment in which we operate, including changes in our book of business;

• product and policy availability and demand and market responses, including the level of ability to obtain rate increases and decline or non-renew under priced accounts, to achieve premium targets and profitability and to realize growth and retention estimates;

• general economic and business conditions, including recessionary conditions that may decrease the size and number of our insurance customers and create additional losses to our lines of business, especially those that provide management and professional liability insurance, as well as surety bonds, to businesses engaged in real estate, financial services and professional services, and inflationary pressures on medical care costs, construction costs and other economic sectors that increase the severity of claims;

• conditions in the capital and credit markets, including continuing uncertainty and instability in these markets, as well as the overall economy, and their impact on the returns, types, liquidity and valuation of our investments;

• conditions in the capital and credit markets that may limit our ability to raise significant amounts of capital on favorable terms, as well as restrictions on the ability or willingness of Loews to provide additional capital support to us; and

• the possibility of changes in our ratings by ratings agencies, including the inability to access certain markets or distribution channels and the required collateralization of future payment obligations as a result of such changes, and changes in rating agency policies and practices.

51

Regulatory Factors

• regulatory initiatives and compliance with governmental regulations, judicial interpretations within the regulatory framework, including interpretation of policy provisions, decisions regarding coverage and theories of liability, trends in litigation and the outcome of any litigation involving us, and rulings and changes in tax laws and regulations;

• regulatory limitations, impositions and restrictions upon us, including the effects of assessments and other surcharges for guaranty funds and second-injury funds, other mandatory pooling arrangements and future assessments levied on insurance companies as well as the new federal financial regulatory reform of the insurance industry established by the Dodd-Frank Wall Street Reform and Consumer Protection Act;

• increased operating costs and underwriting losses arising from the Patient Protection and Affordable Care Act and the related amendments in the Health Care and Education Reconciliation Act, as well as health care reform proposals at the state level; and

• regulatory limitations and restrictions, including limitations upon our ability to receive dividends from our insurance subsidiaries, imposed by regulatory authorities, including regulatory capital adequacy standards.

Impact of Catastrophic Events and Related Developments

• weather and other natural physical events, including the severity and frequency of storms, hail, snowfall and other winter conditions, natural disasters such as hurricanes and earthquakes, as well as climate change, including effects on weather patterns, greenhouse gases, sea, land and air temperatures, sea levels, rain and snow;

• regulatory requirements imposed by coastal state regulators in the wake of hurricanes or other natural disasters, including limitations on the ability to exit markets or to non-renew, cancel or change terms and conditions in policies, as well as mandatory assessments to fund any shortfalls arising from the inability of quasi-governmental insurers to pay claims;

• man-made disasters, including the possible occurrence of terrorist attacks and the effect of the absence or insufficiency of applicable terrorism legislation on coverages;

• the unpredictability of the nature, targets, severity or frequency of potential terrorist events, as well as the uncertainty as to our ability to contain our terrorism exposure effectively; and

• the occurrence of epidemics.

Our forward-looking statements speak only as of the date on which they are made and we do not undertake any obligation to update or revise any forward-looking statement to reflect events or circumstances after the date of the statement, even if our expectations or any related events or circumstances change.

52

Item 3. Quantitative and Qualitative Disclosures About Market Risk

There were no material changes in our market risk components for the three months ended March 31, 2013. See the Quantitative and Qualitative Disclosures About Market Risk included in Item 7A on our Annual Report on Form 10-K filed with the Securities and Exchange Commission for the year ended December 31, 2012 for further information. Additional information related to portfolio duration is discussed in the Investments section of our Management’s Discussion and Analysis of Financial Condition and Results of Operations included in Part I, Item 2.

Item 4. Controls and Procedures

The Company maintains a system of disclosure controls and procedures which are designed to ensure that information required to be disclosed by the Company in reports that it files or submits to the Securities and Exchange Commission under the Securities Exchange Act of 1934, as amended (the “Exchange Act”), including this report, is recorded, processed, summarized and reported on a timely basis. These disclosure controls and procedures include controls and procedures designed to ensure that information required to be disclosed under the Exchange Act is accumulated and communicated to the Company's management on a timely basis to allow decisions regarding required disclosure.

As of March 31, 2013, the Company's management, including the Company's Chief Executive Officer (CEO) and Chief Financial Officer (CFO), conducted an evaluation of the effectiveness of the Company's disclosure controls and procedures (as such term is defined in Exchange Act Rules 13a-15(e) and 15d-15(e)). Based on this evaluation, the CEO and CFO have concluded that the Company's disclosure controls and procedures are effective as of March 31, 2013.

There has been no change in the Company’s internal control over financial reporting (as defined in Rules 13a-15(f) and 15d-15(f) under the Exchange Act) during the quarter ended March 31, 2013 that has materially affected, or is reasonably likely to materially affect, the Company’s internal control over financial reporting.

On July 2, 2012, the Company completed the acquisition of Hardy. Hardy's existing disclosure controls and procedures supported their financial reporting as a separate publicly-traded company. In conducting its evaluation of the effectiveness of the Company's internal control over financial reporting, CNAF management elected to exclude Hardy from this evaluation as permitted under SEC rules. The Company is currently in the process of evaluating and integrating Hardy's controls over financial reporting. CNAF management expects to complete this integration by June 30, 2013.

53

PART II. Other Information

Item 1. Legal Proceedings

Information on our legal proceedings is set forth in Note G to the Condensed Consolidated Financial Statements included under Part I, Item I.

Item 4. Mine Safety Disclosures

Not applicable.

Item 6. Exhibits

See Exhibit Index.

54

SIGNATURES

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

		CNA Financial Corporation
Dated: April 30, 2013	By	/s/ D. Craig Mense
		D. Craig Mense Executive Vice President and Chief Financial Officer

55

EXHIBIT INDEX

Description of Exhibit	Exhibit Number
Certification of Chief Executive Officer	31.1
Certification of Chief Financial Officer	31.2
Written Statement of the Chief Executive Officer of CNA Financial Corporation Pursuant to 18 U.S.C. Section 1350 (As adopted by Section 906 of the Sarbanes-Oxley Act of 2002)	32.1
Written Statement of the Chief Financial Officer of CNA Financial Corporation Pursuant to 18 U.S.C. Section 1350 (As adopted by Section 906 of the Sarbanes-Oxley Act of 2002)	32.2
XBRL Instance Document	101.INS
XBRL Taxonomy Extension Schema	101.SCH
XBRL Taxonomy Extension Calculation Linkbase	101.CAL
XBRL Taxonomy Extension Definition Linkbase	101.DEF
XBRL Taxonomy Label Linkbase	101.LAB
XBRL Taxonomy Extension Presentation Linkbase	101.PRE

56

EX-31.1

EXHIBIT 31.1

SARBANES-OXLEY ACT SECTION 302

CERTIFICATION OF CHIEF EXECUTIVE OFFICER

I, Thomas F. Motamed, certify that:

1. I have reviewed this quarterly report on Form 10-Q of CNA Financial Corporation;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officers and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c) Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d) Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officers and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of registrant’s board of directors (or persons performing the equivalent function):

a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Dated:	April 30, 2013	By	/s/ Thomas F. Motamed
			Thomas F. Motamed
			Chief Executive Officer

EX-31.2

EXHIBIT 31.2

SARBANES-OXLEY ACT SECTION 302

CERTIFICATION OF CHIEF FINANCIAL OFFICER

I, D. Craig Mense, certify that:

1. I have reviewed this quarterly report on Form 10-Q of CNA Financial Corporation;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officers and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c) Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d) Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officers and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of registrant’s board of directors (or persons performing the equivalent function):

a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Dated:	April 30, 2013	By	/s/ D. Craig Mense
			D. Craig Mense
			Chief Financial Officer

EX-32.1

EXHIBIT 32.1

Written Statement of the Chief Executive Officer

of CNA Financial Corporation

Pursuant to 18 U.S.C. § 1350

(As adopted by Section 906 of the Sarbanes-Oxley Act of 2002)

The undersigned, the Chief Executive Officer of CNA Financial Corporation (the Company), hereby certifies that, to his knowledge:

• the Company’s quarterly report on Form 10-Q for the quarter ended March 31, 2013 filed on the date hereof with the Securities and Exchange Commission (the Report) fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

• the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Dated:	April 30, 2013	By	/s/ Thomas F. Motamed
			Thomas F. Motamed
			Chief Executive Officer

The foregoing certification is being furnished solely pursuant to 18 U.S.C. § 1350 and is not being filed as part of the Report or as a separate disclosure document.

EX-32.2

EXHIBIT 32.2

Written Statement of the Chief Financial Officer

of CNA Financial Corporation

Pursuant to 18 U.S.C. § 1350

(As adopted by Section 906 of the Sarbanes-Oxley Act of 2002)

The undersigned, the Chief Financial Officer of CNA Financial Corporation (the Company), hereby certifies that, to his knowledge:

• the Company’s quarterly report on Form 10-Q for the quarter ended March 31, 2013 filed on the date hereof with the Securities and Exchange Commission (the Report) fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

• the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Dated:	April 30, 2013	By	/s/ D. Craig Mense
			D. Craig Mense
			Chief Financial Officer

The foregoing certification is being furnished solely pursuant to 18 U.S.C. § 1350 and is not being filed as part of the Report or as a separate disclosure document.

XML

Derivative Financial Instruments (Summary of recognized gains (losses) related to derivative financial instruments) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Recognized Gains (Losses)
Derivative instruments not designated as hedging instruments, gain (loss), net	$ 2	$ (1)
Gain (loss) on derivative instruments, net, pretax	2
Currency forwards [Member]
Recognized Gains (Losses)
Derivative instruments not designated as hedging instruments, gain (loss), net	2	(1)
Futures sold, not yet purchased [Member]
Recognized Gains (Losses)
Gain (loss) on derivative instruments held for trading purposes, net		$ 1

XML

Business Segments (Income Statement Information) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Operating Revenues
Net earned premiums	$ 1,764	$ 1,649
Net investment income	633	648
Other revenues	78	68
Total operating revenues	2,475	2,365
Claims, Benefits and Expenses
Net incurred claims and benefits	1,425	1,378
Policyholders' dividends	4	3
Amortization of deferred acquisition costs	328	295
Other insurance related expenses	262	250
Other expenses	121	111
Total claims, benefits and expenses	2,140	2,037
Operating income (loss) before income tax	335	328
Income tax (expense) benefit on operating income (loss)	(104)	(102)
Net operating income (loss)	231	226
Net realized investment gains (losses)	28	36
Income tax (expense) benefit on net realized investment gains (losses)	(9)	(12)
Net realized investment gains (losses), after-tax	19	24
Net income (loss)	250	250
CNA Specialty [Member]
Operating Revenues
Net earned premiums	723	706
Net investment income	170	175
Other revenues	60	56
Total operating revenues	953	937
Claims, Benefits and Expenses
Net incurred claims and benefits	465	468
Policyholders' dividends	1	(2)
Amortization of deferred acquisition costs	150	148
Other insurance related expenses	71	72
Other expenses	54	50
Total claims, benefits and expenses	741	736
Operating income (loss) before income tax	212	201
Income tax (expense) benefit on operating income (loss)	(72)	(69)
Net operating income (loss)	140	132
Net realized investment gains (losses)	3	8
Income tax (expense) benefit on net realized investment gains (losses)	(1)	(2)
Net realized investment gains (losses), after-tax	2	6
Net income (loss)	142	138
CNA Commercial [Member]
Operating Revenues
Net earned premiums	837	803
Net investment income	250	265
Other revenues	10	9
Total operating revenues	1,097	1,077
Claims, Benefits and Expenses
Net incurred claims and benefits	600	567
Policyholders' dividends	2	3
Amortization of deferred acquisition costs	149	139
Other insurance related expenses	143	144
Other expenses	9	7
Total claims, benefits and expenses	903	860
Operating income (loss) before income tax	194	217
Income tax (expense) benefit on operating income (loss)	(69)	(78)
Net operating income (loss)	125	139
Net realized investment gains (losses)	4	11
Income tax (expense) benefit on net realized investment gains (losses)	(1)	(4)
Net realized investment gains (losses), after-tax	3	7
Net income (loss)	128	146
Hardy [Member]
Operating Revenues
Net earned premiums	64
Net investment income	1
Other revenues	1
Total operating revenues	66
Claims, Benefits and Expenses
Net incurred claims and benefits	31
Policyholders' dividends
Amortization of deferred acquisition costs	21
Other insurance related expenses	16
Other expenses	7
Total claims, benefits and expenses	75
Operating income (loss) before income tax	(9)
Income tax (expense) benefit on operating income (loss)	1
Net operating income (loss)	(8)
Net realized investment gains (losses)	1
Income tax (expense) benefit on net realized investment gains (losses)
Net realized investment gains (losses), after-tax	1
Net income (loss)	(7)
Life and Group Non-Core [Member]
Operating Revenues
Net earned premiums	141	141
Net investment income	204	198
Other revenues	4	(2)
Total operating revenues	349	337
Claims, Benefits and Expenses
Net incurred claims and benefits	325	336
Policyholders' dividends	1	2
Amortization of deferred acquisition costs	8	8
Other insurance related expenses	33	35
Other expenses	5	6
Total claims, benefits and expenses	372	387
Operating income (loss) before income tax	(23)	(50)
Income tax (expense) benefit on operating income (loss)	23	31
Net operating income (loss)		(19)
Net realized investment gains (losses)	14	13
Income tax (expense) benefit on net realized investment gains (losses)	(5)	(5)
Net realized investment gains (losses), after-tax	9	8
Net income (loss)	9	(11)
Corporate and Other Non-Core [Member]
Operating Revenues
Net earned premiums		(1)
Net investment income	8	10
Other revenues	3	5
Total operating revenues	11	14
Claims, Benefits and Expenses
Net incurred claims and benefits	4	7
Policyholders' dividends
Amortization of deferred acquisition costs
Other insurance related expenses		(1)
Other expenses	46	48
Total claims, benefits and expenses	50	54
Operating income (loss) before income tax	(39)	(40)
Income tax (expense) benefit on operating income (loss)	13	14
Net operating income (loss)	(26)	(26)
Net realized investment gains (losses)	6	4
Income tax (expense) benefit on net realized investment gains (losses)	(2)	(1)
Net realized investment gains (losses), after-tax	4	3
Net income (loss)	(22)	(23)
Eliminations [Member]
Operating Revenues
Net earned premiums	(1)
Net investment income
Other revenues
Total operating revenues	(1)
Claims, Benefits and Expenses
Net incurred claims and benefits
Policyholders' dividends
Amortization of deferred acquisition costs
Other insurance related expenses	(1)
Other expenses
Total claims, benefits and expenses	(1)
Operating income (loss) before income tax
Income tax (expense) benefit on operating income (loss)
Net operating income (loss)
Net realized investment gains (losses)
Income tax (expense) benefit on net realized investment gains (losses)
Net realized investment gains (losses), after-tax
Net income (loss)

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Claim and Claim Adjustment Expense Reserves (Net prior year claim and allocated claim adjustment expense reserve development for CNA Specialty segment) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Pretax (favorable) unfavorable net prior year claim and allocated claim adjustment expense reserve development, excluding Life & Group	$ (26)	$ (18)
CNA Specialty [Member]
Medical Professional Liability	(3)	(6)
Other Professional Liability	(1)	4
Surety	1	1
Warranty		(1)
Other	(12)	(4)
Pretax (favorable) unfavorable net prior year claim and allocated claim adjustment expense reserve development, excluding Life & Group	$ (15)	$ (6)

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Business Segments (Balance Sheet Information) (Details) (USD $) In Millions, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Reinsurance receivables	$ 6,137	$ 6,231
Insurance receivables	2,072	1,983
Deferred acquisition costs	641	598
Goodwill	151	154
Insurance reserves
Claim and claim adjustment expenses	24,511	24,763
Unearned premiums	3,759	3,610
Future policy benefits	11,469	11,475
Policyholders’ funds	154	157
CNA Specialty [Member]
Reinsurance receivables	662	665
Insurance receivables	707	673
Deferred acquisition costs	313	300
Goodwill	117	117
Insurance reserves
Claim and claim adjustment expenses	6,807	6,748
Unearned premiums	1,770	1,685
Future policy benefits
Policyholders’ funds	9	8
CNA Commercial [Member]
Reinsurance receivables	1,170	1,155
Insurance receivables	1,168	1,116
Deferred acquisition costs	287	269
Goodwill
Insurance reserves
Claim and claim adjustment expenses	11,105	11,326
Unearned premiums	1,629	1,569
Future policy benefits
Policyholders’ funds	14	15
Hardy [Member]
Reinsurance receivables	251	294
Insurance receivables	181	181
Deferred acquisition costs	41	29
Goodwill	34	37
Insurance reserves
Claim and claim adjustment expenses	470	521
Unearned premiums	218	222
Future policy benefits
Policyholders’ funds
Life and Group Non-Core [Member]
Reinsurance receivables	1,273	1,273
Insurance receivables	13	9
Deferred acquisition costs
Goodwill
Insurance reserves
Claim and claim adjustment expenses	3,031	3,006
Unearned premiums	143	134
Future policy benefits	11,469	11,475
Policyholders’ funds	131	134
Corporate and Other Non-Core [Member]
Reinsurance receivables	2,781	2,844
Insurance receivables	3	4
Deferred acquisition costs
Goodwill
Insurance reserves
Claim and claim adjustment expenses	3,098	3,162
Unearned premiums
Future policy benefits
Policyholders’ funds
Eliminations [Member]
Reinsurance receivables
Insurance receivables
Deferred acquisition costs
Goodwill
Insurance reserves
Claim and claim adjustment expenses
Unearned premiums	(1)
Future policy benefits
Policyholders’ funds

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Claim and Claim Adjustment Expense Reserves (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Catastrophe losses net of reinsurance	$ 39	$ 28

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Investments (Components of other-than-temporary impairment losses recognized in earnings) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Net other-than-temporary impairment losses recognized in earnings	$ 18	$ 27
Corporate and other bonds [Member]
Net other-than-temporary impairment losses recognized in earnings	3	10
Residential mortgage-backed [Member]
Net other-than-temporary impairment losses recognized in earnings		14
U.S. Treasury and obligations of government-sponsored enterprises [Member]
Net other-than-temporary impairment losses recognized in earnings		1
Total fixed maturity securities available-for-sale [Member]
Net other-than-temporary impairment losses recognized in earnings	3	25
Common stock [Member]
Net other-than-temporary impairment losses recognized in earnings		2
Preferred stock [Member]
Net other-than-temporary impairment losses recognized in earnings	15
Total equity securities available-for-sale [Member]
Net other-than-temporary impairment losses recognized in earnings	$ 15	$ 2

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Changes in Accumulated Other Comprehensive Income (Loss) by Component (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Changes in Accumulated other comprehensive income (loss) [Roll Forward]
Accumulated other comprehensive income (loss), beginning balance	$ 831
Other comprehensive income (loss), before reclassifications	(96)
Amounts reclassified from accumulated other comprehensive income (loss)	8
Other comprehensive income (loss), net of tax	(104)	284
Accumulated other comprehensive income (loss), ending balance	727
Other comprehensive income (loss), tax, portion attributable to parent, parenthetical disclosures [Abtract]
Tax (expense) benefit on amounts reclassified from accumulated other comprehensive income (loss)	(3)
Tax (expense) benefit on other comprehensive income (loss), tax	25
Net unrealized gains (losses) on investments with OTTI losses, tax [Member]
Other comprehensive income (loss), tax, portion attributable to parent, parenthetical disclosures [Abtract]
Tax (expense) benefit on amounts reclassified from accumulated other comprehensive income (loss)
Tax (expense) benefit on other comprehensive income (loss), tax	(7)
Net unrealized gains (losses) on other investments, tax [Member]
Other comprehensive income (loss), tax, portion attributable to parent, parenthetical disclosures [Abtract]
Tax (expense) benefit on amounts reclassified from accumulated other comprehensive income (loss)	(6)
Tax (expense) benefit on other comprehensive income (loss), tax	35
Pension and postretirement benefits member, tax [Member]
Other comprehensive income (loss), tax, portion attributable to parent, parenthetical disclosures [Abtract]
Tax (expense) benefit on amounts reclassified from accumulated other comprehensive income (loss)	3
Tax (expense) benefit on other comprehensive income (loss), tax	(3)
Cumulative foreign currency translation adjustment, tax [Member]
Other comprehensive income (loss), tax, portion attributable to parent, parenthetical disclosures [Abtract]
Tax (expense) benefit on amounts reclassified from accumulated other comprehensive income (loss)
Tax (expense) benefit on other comprehensive income (loss), tax
Net unrealized gains (losses) on investments with OTTI Losses [Member]
Changes in Accumulated other comprehensive income (loss) [Roll Forward]
Accumulated other comprehensive income (loss), beginning balance	20
Other comprehensive income (loss), before reclassifications	14
Amounts reclassified from accumulated other comprehensive income (loss)
Other comprehensive income (loss), net of tax	14
Accumulated other comprehensive income (loss), ending balance	34
Net unrealized gains (losses) on other investments [Member]
Changes in Accumulated other comprehensive income (loss) [Roll Forward]
Accumulated other comprehensive income (loss), beginning balance	1,371
Other comprehensive income (loss), before reclassifications	(49)
Amounts reclassified from accumulated other comprehensive income (loss)	13
Other comprehensive income (loss), net of tax	(62)
Accumulated other comprehensive income (loss), ending balance	1,309
Pension and postretirement benefits [Member]
Changes in Accumulated other comprehensive income (loss) [Roll Forward]
Accumulated other comprehensive income (loss), beginning balance	(721)
Other comprehensive income (loss), before reclassifications
Amounts reclassified from accumulated other comprehensive income (loss)	(5)
Other comprehensive income (loss), net of tax	5
Accumulated other comprehensive income (loss), ending balance	(716)
Cumulative foreign currency translation adjustment [Member]
Changes in Accumulated other comprehensive income (loss) [Roll Forward]
Accumulated other comprehensive income (loss), beginning balance	161
Other comprehensive income (loss), before reclassifications	(61)
Amounts reclassified from accumulated other comprehensive income (loss)
Other comprehensive income (loss), net of tax	(61)
Accumulated other comprehensive income (loss), ending balance	$ 100

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Other Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2013

Schedule of Other Intangible Assets [Abstract]

Schedule of other intangible assets

Other intangible assets are presented in the following table.

	March 31, 2013				December 31, 2012
(In millions)	Gross Carrying Amount		Accumulated Amortization		Gross Carrying Amount		Accumulated Amortization
Finite-lived intangible assets:
Value of business acquired	$	59	$	52	$	62	$	43
Trade name	8		1		8		—
Distribution channel	12		1		13		—
Total finite-lived intangible assets	79		54		83		43
Indefinite-lived intangible assets	69				73
Total other intangible assets	$	148	$	54	$	156	$	43

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Benefit Plans (Components of net periodic cost (benefit)) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Pension Plans, Defined Benefit [Member]
Defined Benefit Plan, Net Periodic Benefit Cost [Abstract]
Service cost	$ 3	$ 3
Interest cost on projected benefit obligation	30	34
Expected return on plan assets	(45)	(43)
Amortization of net actuarial (gain) loss	12	10
Net periodic cost (benefit)		4
Other Postretirement Benefit Plans, Defined Benefit [Member]
Defined Benefit Plan, Net Periodic Benefit Cost [Abstract]
Amortization of prior service credit	(4)	(4)
Net periodic cost (benefit)	$ (4)	$ (4)

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Fair Value (Assets and liabilities measured at fair value on a recurring basis) (Details) (USD $) In Millions, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Fixed maturity securities	$ 42,799	$ 42,633
Equity securities	201	249
Other invested assets	49	59
Short term investments	1,555	1,832
Separate account business	279	312
Derivative financial instruments, included in Other liabilities	(1)	(3)
Fair Value, Measurements, Recurring [Member]
Fixed maturity securities	42,799	42,633
Equity securities	201	249
Other invested assets	49	59
Short term investments	1,504	1,792
Life settlement contracts, included in Other assets	95	100
Separate account business	279	312
Total assets	44,927	45,145
Derivative financial instruments, included in Other liabilities	(1)	(3)
Total liabilities	(1)	(3)
Fair Value, Measurements, Recurring [Member] | Corporate and other bonds [Member]
Fixed maturity securities	22,354	22,236
Fair Value, Measurements, Recurring [Member] | States, municipalities and political subdivisions [Member]
Fixed maturity securities	10,948	10,783
Fair Value, Measurements, Recurring [Member] | Residential mortgage-backed [Member]
Fixed maturity securities	5,683	5,920
Fair Value, Measurements, Recurring [Member] | Commercial mortgage-backed [Member]
Fixed maturity securities	1,990	1,822
Fair Value, Measurements, Recurring [Member] | Other asset-backed [Member]
Fixed maturity securities	955	952
Fair Value, Measurements, Recurring [Member] | Total asset-backed [Member]
Fixed maturity securities	8,628	8,694
Fair Value, Measurements, Recurring [Member] | U.S. Treasury and obligations of government-sponsored enterprises [Member]
Fixed maturity securities	181	182
Fair Value, Measurements, Recurring [Member] | Foreign government [Member]
Fixed maturity securities	552	613
Fair Value, Measurements, Recurring [Member] | Redeemable preferred stock [Member]
Fixed maturity securities	136	125
Fair Value, Measurements, Recurring [Member] | Level 1 [Member]
Fixed maturity securities	342	344
Equity securities	120	117
Other invested assets
Short term investments	1,102	987
Life settlement contracts, included in Other assets
Separate account business	11	4
Total assets	1,575	1,452
Derivative financial instruments, included in Other liabilities
Total liabilities
Fair Value, Measurements, Recurring [Member] | Level 1 [Member] | Corporate and other bonds [Member]
Fixed maturity securities	32	6
Fair Value, Measurements, Recurring [Member] | Level 1 [Member] | States, municipalities and political subdivisions [Member]
Fixed maturity securities
Fair Value, Measurements, Recurring [Member] | Level 1 [Member] | Residential mortgage-backed [Member]
Fixed maturity securities
Fair Value, Measurements, Recurring [Member] | Level 1 [Member] | Commercial mortgage-backed [Member]
Fixed maturity securities
Fair Value, Measurements, Recurring [Member] | Level 1 [Member] | Other asset-backed [Member]
Fixed maturity securities
Fair Value, Measurements, Recurring [Member] | Level 1 [Member] | Total asset-backed [Member]
Fixed maturity securities
Fair Value, Measurements, Recurring [Member] | Level 1 [Member] | U.S. Treasury and obligations of government-sponsored enterprises [Member]
Fixed maturity securities	155	158
Fair Value, Measurements, Recurring [Member] | Level 1 [Member] | Foreign government [Member]
Fixed maturity securities	104	140
Fair Value, Measurements, Recurring [Member] | Level 1 [Member] | Redeemable preferred stock [Member]
Fixed maturity securities	51	40
Fair Value, Measurements, Recurring [Member] | Level 2 [Member]
Fixed maturity securities	40,977	41,038
Equity securities	62	98
Other invested assets	49	58
Short term investments	397	799
Life settlement contracts, included in Other assets
Separate account business	266	306
Total assets	41,751	42,299
Derivative financial instruments, included in Other liabilities		(2)
Total liabilities		(2)
Fair Value, Measurements, Recurring [Member] | Level 2 [Member] | Corporate and other bonds [Member]
Fixed maturity securities	22,020	22,011
Fair Value, Measurements, Recurring [Member] | Level 2 [Member] | States, municipalities and political subdivisions [Member]
Fixed maturity securities	10,819	10,687
Fair Value, Measurements, Recurring [Member] | Level 2 [Member] | Residential mortgage-backed [Member]
Fixed maturity securities	5,233	5,507
Fair Value, Measurements, Recurring [Member] | Level 2 [Member] | Commercial mortgage-backed [Member]
Fixed maturity securities	1,813	1,693
Fair Value, Measurements, Recurring [Member] | Level 2 [Member] | Other asset-backed [Member]
Fixed maturity securities	559	584
Fair Value, Measurements, Recurring [Member] | Level 2 [Member] | Total asset-backed [Member]
Fixed maturity securities	7,605	7,784
Fair Value, Measurements, Recurring [Member] | Level 2 [Member] | U.S. Treasury and obligations of government-sponsored enterprises [Member]
Fixed maturity securities	26	24
Fair Value, Measurements, Recurring [Member] | Level 2 [Member] | Foreign government [Member]
Fixed maturity securities	448	473
Fair Value, Measurements, Recurring [Member] | Level 2 [Member] | Redeemable preferred stock [Member]
Fixed maturity securities	59	59
Fair Value, Measurements, Recurring [Member] | Level 3 [Member]
Fixed maturity securities	1,480	1,251
Equity securities	19	34
Other invested assets		1
Short term investments	5	6
Life settlement contracts, included in Other assets	95	100
Separate account business	2	2
Total assets	1,601	1,394
Derivative financial instruments, included in Other liabilities	(1)	(1)
Total liabilities	(1)	(1)
Fair Value, Measurements, Recurring [Member] | Level 3 [Member] | Corporate and other bonds [Member]
Fixed maturity securities	302	219
Fair Value, Measurements, Recurring [Member] | Level 3 [Member] | States, municipalities and political subdivisions [Member]
Fixed maturity securities	129	96
Fair Value, Measurements, Recurring [Member] | Level 3 [Member] | Residential mortgage-backed [Member]
Fixed maturity securities	450	413
Fair Value, Measurements, Recurring [Member] | Level 3 [Member] | Commercial mortgage-backed [Member]
Fixed maturity securities	177	129
Fair Value, Measurements, Recurring [Member] | Level 3 [Member] | Other asset-backed [Member]
Fixed maturity securities	396	368
Fair Value, Measurements, Recurring [Member] | Level 3 [Member] | Total asset-backed [Member]
Fixed maturity securities	1,023	910
Fair Value, Measurements, Recurring [Member] | Level 3 [Member] | U.S. Treasury and obligations of government-sponsored enterprises [Member]
Fixed maturity securities
Fair Value, Measurements, Recurring [Member] | Level 3 [Member] | Foreign government [Member]
Fixed maturity securities
Fair Value, Measurements, Recurring [Member] | Level 3 [Member] | Redeemable preferred stock [Member]
Fixed maturity securities	$ 26	$ 26

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Investments (Contractual maturity) (Details) (USD $) In Millions, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Cost or Amortized Cost
Due in one year or less, cost or amortized cost	$ 1,783	$ 1,648
Due after one year through five years, cost or amortized cost	12,916	13,603
Due after five years through ten years, cost or amortized cost	9,430	8,726
Due after ten years, cost or amortized cost	14,341	14,164
Total Amortized Cost Basis	38,470	38,141
Estimated Fair Value
Due in one year or less, estimated fair value	1,819	1,665
Due after one year through five years, estimated fair value	13,731	14,442
Due after five years through ten years, estimated fair value	10,267	9,555
Due after ten years, estimated fair value	16,919	16,942
Total Estimated Fair Value	$ 42,736	$ 42,604

XML

Other Intangible Assets Schedule of Other Intangible Assets (Details) (USD $) In Millions, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Finite-lived intangible assets	$ 79	$ 83
Accumulated amortization	54	43
Indefinite-lived intangible assets	69	73
Total other intangible assets	148	156
Total intangible assets, accumulated amortization	54	43
Value of business acquired [Member]
Finite-lived intangible assets	59	62
Accumulated amortization	52	43
Trade name [Member]
Finite-lived intangible assets	8	8
Accumulated amortization	1
Distribution channel [Member]
Finite-lived intangible assets	12	13
Accumulated amortization	$ 1

XML

Claim and Claim Adjustment Expense Reserves (Net prior year development) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Pretax (favorable) unfavorable net prior year claim and allocated claim adjustment expense reserve development, excluding Life & Group	$ (26)	$ (18)
Pretax (favorable) unfavorable premium development, excluding Life & Group	(13)	(25)
Total pretax (favorable) unfavorable net prior year development, excluding Life & Group	(39)	(43)
CNA Specialty [Member]
Pretax (favorable) unfavorable net prior year claim and allocated claim adjustment expense reserve development, excluding Life & Group	(15)	(6)
Pretax (favorable) unfavorable premium development, excluding Life & Group	(8)	(9)
Total pretax (favorable) unfavorable net prior year development, excluding Life & Group	(23)	(15)
CNA Commercial [Member]
Pretax (favorable) unfavorable net prior year claim and allocated claim adjustment expense reserve development, excluding Life & Group	(11)	(14)
Pretax (favorable) unfavorable premium development, excluding Life & Group	(10)	(17)
Total pretax (favorable) unfavorable net prior year development, excluding Life & Group	(21)	(31)
Hardy [Member]
Pretax (favorable) unfavorable net prior year claim and allocated claim adjustment expense reserve development, excluding Life & Group	(1)
Pretax (favorable) unfavorable premium development, excluding Life & Group	4
Total pretax (favorable) unfavorable net prior year development, excluding Life & Group	3
Corporate and Other [Member]
Pretax (favorable) unfavorable net prior year claim and allocated claim adjustment expense reserve development, excluding Life & Group	1	2
Pretax (favorable) unfavorable premium development, excluding Life & Group	1	1
Total pretax (favorable) unfavorable net prior year development, excluding Life & Group	$ 2	$ 3

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Earnings (loss) per share

3 Months Ended

Mar. 31, 2013

Earnings Per Share [Abstract]

Earnings Per Share

Note B. Earnings Per Share

Earnings per share is based on the weighted average number of outstanding common shares. Basic earnings (loss) per share excludes the impact of dilutive securities and is computed by dividing Net income (loss) by the weighted average number of common shares outstanding for the period. Diluted earnings (loss) 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, 2013 and 2012, approximately 372 thousand and 339 thousand potential shares attributable to exercises under stock-based employee compensation plans were included in the calculation of diluted earnings per share. For those same periods, approximately 335 thousand and 668 thousand potential shares attributable to exercises under stock-based employee compensation plans were not included in the calculation of diluted earnings per share because the effect would have been antidilutive.

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Fair Value (Table of reconciliation for assets and liabilities measured at fair value on a recurring basis using significant unobservable inputs) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance, Beginning, Assets	$ 1,393	$ 1,751
Net realized investment gains (losses) and net change in unrealized appreciation (depreciation) included in net income (loss)	(4)	11
Net change in unrealized appreciation (depreciation) included in other comprehensive income (loss)	9	7
Purchases	465	411
Sales	(165)	(183)
Settlements	(65)	(95)
Transfers into Level 3	26	33
Transfers out of Level 3	(59)	(84)
Balance, Ending, Assets	1,600	1,851
Unrealized gains (losses) on Level 3 assets and liabilities held at balance sheet date recognized in net income (loss)	(16)	(3)
Corporate and other bonds [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance, Beginning, Assets	219	482
Net realized investment gains (losses) and net change in unrealized appreciation (depreciation) included in net income (loss)		3
Net change in unrealized appreciation (depreciation) included in other comprehensive income (loss)	2	4
Purchases	110	79
Sales	(17)	(86)
Settlements	(20)	(19)
Transfers into Level 3	26	33
Transfers out of Level 3	(18)	(10)
Balance, Ending, Assets	302	486
Unrealized gains (losses) on Level 3 assets and liabilities held at balance sheet date recognized in net income (loss)	(1)
States, municipalities and political subdivisions [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance, Beginning, Assets	96	171
Net realized investment gains (losses) and net change in unrealized appreciation (depreciation) included in net income (loss)	(3)
Net change in unrealized appreciation (depreciation) included in other comprehensive income (loss)		2
Purchases	85
Sales	(47)
Settlements	(2)
Transfers into Level 3
Transfers out of Level 3
Balance, Ending, Assets	129	173
Unrealized gains (losses) on Level 3 assets and liabilities held at balance sheet date recognized in net income (loss)
Residential mortgage-backed [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance, Beginning, Assets	413	452
Net realized investment gains (losses) and net change in unrealized appreciation (depreciation) included in net income (loss)	3	1
Net change in unrealized appreciation (depreciation) included in other comprehensive income (loss)		(4)
Purchases	61	38
Sales
Settlements	(11)	(7)
Transfers into Level 3
Transfers out of Level 3	(16)	(33)
Balance, Ending, Assets	450	447
Unrealized gains (losses) on Level 3 assets and liabilities held at balance sheet date recognized in net income (loss)
Commercial mortgage-backed [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance, Beginning, Assets	129	59
Net realized investment gains (losses) and net change in unrealized appreciation (depreciation) included in net income (loss)	1
Net change in unrealized appreciation (depreciation) included in other comprehensive income (loss)	5	4
Purchases	73	42
Sales
Settlements	(7)
Transfers into Level 3
Transfers out of Level 3	(24)
Balance, Ending, Assets	177	105
Unrealized gains (losses) on Level 3 assets and liabilities held at balance sheet date recognized in net income (loss)
Other asset-backed [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance, Beginning, Assets	368	343
Net realized investment gains (losses) and net change in unrealized appreciation (depreciation) included in net income (loss)	3	4
Net change in unrealized appreciation (depreciation) included in other comprehensive income (loss)	1	4
Purchases	136	176
Sales	(99)	(77)
Settlements	(13)	(25)
Transfers into Level 3
Transfers out of Level 3		(41)
Balance, Ending, Assets	396	384
Unrealized gains (losses) on Level 3 assets and liabilities held at balance sheet date recognized in net income (loss)
Total asset-backed [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance, Beginning, Assets	910	854
Net realized investment gains (losses) and net change in unrealized appreciation (depreciation) included in net income (loss)	7	5
Net change in unrealized appreciation (depreciation) included in other comprehensive income (loss)	6	4
Purchases	270	256
Sales	(99)	(77)
Settlements	(31)	(32)
Transfers into Level 3
Transfers out of Level 3	(40)	(74)
Balance, Ending, Assets	1,023	936
Unrealized gains (losses) on Level 3 assets and liabilities held at balance sheet date recognized in net income (loss)
Redeemable preferred stock [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance, Beginning, Assets	26
Net realized investment gains (losses) and net change in unrealized appreciation (depreciation) included in net income (loss)
Net change in unrealized appreciation (depreciation) included in other comprehensive income (loss)
Purchases		53
Sales
Settlements
Transfers into Level 3
Transfers out of Level 3
Balance, Ending, Assets	26	53
Unrealized gains (losses) on Level 3 assets and liabilities held at balance sheet date recognized in net income (loss)
Fixed maturity securities [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance, Beginning, Assets	1,251	1,507
Net realized investment gains (losses) and net change in unrealized appreciation (depreciation) included in net income (loss)	4	8
Net change in unrealized appreciation (depreciation) included in other comprehensive income (loss)	8	10
Purchases	465	388
Sales	(163)	(163)
Settlements	(53)	(51)
Transfers into Level 3	26	33
Transfers out of Level 3	(58)	(84)
Balance, Ending, Assets	1,480	1,648
Unrealized gains (losses) on Level 3 assets and liabilities held at balance sheet date recognized in net income (loss)	(1)
Equity securities [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance, Beginning, Assets	34	67
Net realized investment gains (losses) and net change in unrealized appreciation (depreciation) included in net income (loss)	(15)
Net change in unrealized appreciation (depreciation) included in other comprehensive income (loss)	1	(3)
Purchases		11
Sales		(1)
Settlements
Transfers into Level 3
Transfers out of Level 3	(1)
Balance, Ending, Assets	19	74
Unrealized gains (losses) on Level 3 assets and liabilities held at balance sheet date recognized in net income (loss)	(15)	(2)
Other invested assets, including derivatives, net
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance, Beginning, Assets		10
Net realized investment gains (losses) and net change in unrealized appreciation (depreciation) included in net income (loss)
Net change in unrealized appreciation (depreciation) included in other comprehensive income (loss)
Purchases
Sales	(1)
Settlements
Transfers into Level 3
Transfers out of Level 3
Balance, Ending, Assets	(1)	10
Unrealized gains (losses) on Level 3 assets and liabilities held at balance sheet date recognized in net income (loss)
Short term investments [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance, Beginning, Assets	6	27
Net realized investment gains (losses) and net change in unrealized appreciation (depreciation) included in net income (loss)
Net change in unrealized appreciation (depreciation) included in other comprehensive income (loss)
Purchases		12
Sales	(1)
Settlements		(39)
Transfers into Level 3
Transfers out of Level 3
Balance, Ending, Assets	5
Unrealized gains (losses) on Level 3 assets and liabilities held at balance sheet date recognized in net income (loss)
Life settlement contracts [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance, Beginning, Assets	100	117
Net realized investment gains (losses) and net change in unrealized appreciation (depreciation) included in net income (loss)	7	3
Net change in unrealized appreciation (depreciation) included in other comprehensive income (loss)
Purchases
Sales
Settlements	(12)	(5)
Transfers into Level 3
Transfers out of Level 3
Balance, Ending, Assets	95	115
Unrealized gains (losses) on Level 3 assets and liabilities held at balance sheet date recognized in net income (loss)		(1)
Separate account business [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance, Beginning, Assets	2	23
Net realized investment gains (losses) and net change in unrealized appreciation (depreciation) included in net income (loss)
Net change in unrealized appreciation (depreciation) included in other comprehensive income (loss)
Purchases
Sales		(19)
Settlements
Transfers into Level 3
Transfers out of Level 3
Balance, Ending, Assets	2	4
Unrealized gains (losses) on Level 3 assets and liabilities held at balance sheet date recognized in net income (loss)

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Earnings (loss) per share (Narrative) (Details)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Incremental Common Shares Attributable to Share-based Payment Arrangements	372,000	339,000
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	335,000	668,000

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General (Narrative) (Details)	Mar. 31, 2013
Percentage owned of outstanding common stock by majority shareholder	90.00%

XML

Business Segments (Revenues by Line of Business) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Revenues	$ 2,503	$ 2,401
CNA Specialty [Domain]
Revenues	956	945
International - Specialty [Member]
Revenues	59	57
Professional & Management Liability [Member]
Revenues	700	694
Surety [Member]
Revenues	116	119
Warranty & Alternative Risks [Member]
Revenues	81	75
CNA Commercial [Domain]
Revenues	1,101	1,088
Commercial Insurance [Member]
Revenues	826	835
International - Commercial [Member]
Revenues	93	91
Small Business [Member]
Revenues	182	162
Hardy [Domain]
Revenues	67
Life & Group Non-Core [Domain]
Revenues	363	350
Health [Member]
Revenues	298	291
Life & Annuity [Member]
Revenues	61	60
Other
Revenues	4	(1)
Corporate and Other Non-Core revenues [Member]
Revenues	17	18
Eliminations [Member]
Revenues	$ (1)

XML

Fair Value (Quantitative information about significant unobservable inputs in the fair value measurement of level 3 assets) (Details) (USD $)	Mar. 31, 2013	Dec. 31, 2012
Fixed maturity securities [Member] | Discounted cash flow valuation technique [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Assets, Fair Value Disclosure	$ 78,000,000	$ 121,000,000
Fixed maturity securities [Member] | Discounted cash flow valuation technique [Member] | Minimum [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Expected call date	3.0	3.3
Credit spread adjustment	0.02%	0.02%
Fixed maturity securities [Member] | Discounted cash flow valuation technique [Member] | Maximum [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Expected call date	4.6	5.3
Credit spread adjustment	0.48%	0.48%
Fixed maturity securities [Member] | Discounted cash flow valuation technique [Member] | Weighted Average [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Expected call date	4.0	4.3
Credit spread adjustment	0.17%	0.17%
Fixed maturity securities [Member] | Market approach valuation technique [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Assets, Fair Value Disclosure	97,000,000	72,000,000
Fixed maturity securities [Member] | Market approach valuation technique [Member] | Minimum [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Private offering price	$ 34.70	$ 42.39
Fixed maturity securities [Member] | Market approach valuation technique [Member] | Maximum [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Private offering price	$ 122.09	$ 102.32
Fixed maturity securities [Member] | Market approach valuation technique [Member] | Weighted Average [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Private offering price	$ 102.97	$ 100.11
Equity securities [Member] | Market approach valuation technique [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Assets, Fair Value Disclosure	19,000,000	34,000,000
Equity securities [Member] | Market approach valuation technique [Member] | Minimum [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Private offering price	$ 33.73	$ 4.54
Equity securities [Member] | Market approach valuation technique [Member] | Maximum [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Private offering price	$ 3,970.99	$ 3,842.00
Equity securities [Member] | Market approach valuation technique [Member] | Weighted Average [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Private offering price	$ 1,114.32	$ 571.17
Life settlement contracts [Member] | Discounted cash flow valuation technique [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Assets, Fair Value Disclosure	$ 95,000,000	$ 100,000,000
Life settlement contracts [Member] | Discounted cash flow valuation technique [Member] | Minimum [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Mortality assumption	69.00%	69.00%
Life settlement contracts [Member] | Discounted cash flow valuation technique [Member] | Maximum [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Mortality assumption	883.00%	883.00%
Life settlement contracts [Member] | Discounted cash flow valuation technique [Member] | Weighted Average [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Mortality assumption	209.20%	208.90%
Life settlement contracts [Member] | Discounted cash flow valuation technique [Member] | Rate [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Discount rate risk premium	9.00%	9.00%

XML

Investments (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2012
Net unrealized gains (losses) related to changes in fair value of trading securities still held included in net investment income	$ 1
Reduction of net unrealized gains on investments included in AOCI due to shadow adjustments	1,438		1,511
Pretax net unrealized gains (losses) on other available-for-sale securities reclassified out of AOCI and recognized in earnings	19	32
Future capital call commitments for limited partnership investments	247
Mortgage loan commitments	29
Commitments to purchase or fund privately placed debt securities	167
Commitments to sell various privately placed debt securities	$ 210

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Investments (Net investment income) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Gross investment income	$ 645	$ 662
Investment expense	(12)	(14)
Net investment income	633	648
Fixed maturity securities [Member]
Gross investment income	499	516
Short term investments [Member]
Gross investment income	1	1
Limited partnership investments [Member]
Gross investment income	131	130
Equity securities [Member]
Gross investment income	3	4
Mortgage loans [Member]
Gross investment income	5	3
Trading portfolio [Member]
Gross investment income	5	7
Other [Member]
Gross investment income	$ 1	$ 1

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General

3 Months Ended

Mar. 31, 2013

Organization, Consolidation and Presentation of Financial Statements [Abstract]

General

Note A. General

Basis of Presentation

The Condensed Consolidated Financial Statements (Unaudited) include the accounts of CNA Financial Corporation (CNAF) and its subsidiaries. Collectively, CNAF and its subsidiaries are referred to as CNA or the Company. The Company acquired Hardy Underwriting Bermuda Limited and its subsidiaries on July 2, 2012. Loews Corporation (Loews) owned approximately 90% of the outstanding common stock of CNAF as of March 31, 2013.

The accompanying Condensed Consolidated Financial Statements have been prepared in conformity with accounting principles generally accepted in the United States of America (GAAP). Certain financial information that is normally included in annual financial statements, including certain financial statement notes, prepared in accordance with GAAP, 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, 2012, 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 periods. Actual results may differ from those estimates.

The interim financial data as of March 31, 2013 and for the three months ended March 31, 2013 and 2012 is unaudited. However, in the opinion of management, the interim data includes all adjustments, consisting of normal recurring accruals, necessary for a fair statement of the Company's results for the interim periods. The results of operations for the interim periods are not necessarily indicative of the results to be expected for the full year. Intercompany amounts have been eliminated.

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Investments (Net realized investment gains (losses)) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Net realized investment gains (losses)	$ 28	$ 36
Fixed maturity securities [Member]
Gross realized gains	44	69
Gross realized losses	(12)	(39)
Net realized investment gains (losses)	32	30
Equity securities [Member]
Gross realized gains	2	3
Gross realized losses	(15)	(2)
Net realized investment gains (losses)	(13)	1
Derivatives [Member]
Net realized investment gains (losses)	2	(1)
Short term investments and other [Member]
Net realized investment gains (losses)	$ 7	$ 6

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Derivative Financial Instruments (Summary of aggregate contractual or notional amounts and gross estimated fair values related to derivative financial instruments) (Details) (USD $) In Millions, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Summary of Derivative Instruments Without Hedge Designation
Contractual/notional amount	$ 146	$ 84
Estimated fair value asset	1
Estimated fair value (liability)	(1)	(3)
Credit default swap - purchased protection [Member]
Summary of Derivative Instruments Without Hedge Designation
Contractual/notional amount	20	20
Estimated fair value asset
Estimated fair value (liability)	(1)	(1)
Currency forwards [Member]
Summary of Derivative Instruments Without Hedge Designation
Contractual/notional amount	43	59
Estimated fair value asset	1
Estimated fair value (liability)		(2)
Forward commitments for mortgage-backed securities [Member]
Summary of Derivative Instruments Without Hedge Designation
Contractual/notional amount	78
Estimated fair value asset
Estimated fair value (liability)
Equity warrants [Member]
Summary of Derivative Instruments Without Hedge Designation
Contractual/notional amount	5	5
Estimated fair value asset
Estimated fair value (liability)

XML

Commitments, Contingencies, and Guarantees (Narrative) (Detail) (USD $) In Millions, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Maximum potential future lease payments and other related costs under guarantee on a real estate joint venture	$ 98
Aggregate amount of quantifiable indemnification agreements in effect for sales of business entities, assets and third party loans	724
Recorded liabilities related to indemnification agreements	$ 7	$ 7

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Condensed Consolidated Statements of Operations (Unaudited) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Revenues
Net earned premiums	$ 1,764	$ 1,649
Net investment income	633	648
Net realized investment gains (losses):
Other-than-temporary impairment losses	(18)	(15)
Portion of other-than-temporary impairments recognized in Other comprehensive income (loss)		(12)
Net other-than-temporary impairment losses recognized in earnings	(18)	(27)
Other net realized investment gains (losses)	46	63
Net realized investment gains (losses)	28	36
Other revenues	78	68
Total revenues	2,503	2,401
Claims, Benefits and Expenses
Insurance claims and policyholders’ benefits	1,429	1,381
Amortization of deferred acquisition costs	328	295
Other operating expenses	341	319
Interest	42	42
Total claims, benefits and expenses	2,140	2,037
Income (loss) before income tax	363	364
Income tax (expense) benefit	(113)	(114)
Net income (loss)	$ 250	$ 250
Basic and diluted earnings (loss) per share	$ 0.93	$ 0.93
Dividends per share	$ 0.20	$ 0.15
Weighted Average Outstanding Common Stock and Common Stock Equivalents
Basic	269.5	269.3
Diluted	269.9	269.7

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Fair Value (Carrying amount and estimated fair value of financial instrument assets and liabilities which are not measured at fair value) (Details) (USD $) In Millions, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Financial Assets [Abstract]
Notes receivable for the issuance of common stock	$ 20	$ 21
Mortgage loans	425	401
Financial Liabilities [Abstract]
Short term debt	13	13
Long term debt	2,558	2,557
Carrying Amount [Member]
Financial Assets [Abstract]
Notes receivable for the issuance of common stock	20	21
Mortgage loans	425	401
Financial Liabilities [Abstract]
Premium deposits and annuity contracts	96	100
Short term debt	13	13
Long term debt	2,558	2,557
Estimated Fair Value [Member]
Financial Assets [Abstract]
Notes receivable for the issuance of common stock	20	21
Mortgage loans	449	418
Financial Liabilities [Abstract]
Premium deposits and annuity contracts	100	104
Short term debt	13	13
Long term debt	3,016	3,016
Level 1 [Member] | Estimated Fair Value [Member]
Financial Assets [Abstract]
Notes receivable for the issuance of common stock
Mortgage loans
Financial Liabilities [Abstract]
Premium deposits and annuity contracts
Short term debt
Long term debt
Level 2 [Member] | Estimated Fair Value [Member]
Financial Assets [Abstract]
Notes receivable for the issuance of common stock
Mortgage loans
Financial Liabilities [Abstract]
Premium deposits and annuity contracts
Short term debt	13	13
Long term debt	3,016	3,016
Level 3 [Member] | Estimated Fair Value [Member]
Financial Assets [Abstract]
Notes receivable for the issuance of common stock	20	21
Mortgage loans	449	418
Financial Liabilities [Abstract]
Premium deposits and annuity contracts	100	104
Short term debt
Long term debt

XML

Condensed Consolidated Statements of Cash Flows (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Cash Flows from Operating Activities
Net income (loss)	$ 250	$ 250
Adjustments to reconcile net income (loss) to net cash flows provided (used) by operating activities:
(Gain) loss on disposal of property and equipment		1
Deferred income tax expense (benefit)	99	73
Trading portfolio activity	(48)	(6)
Net realized investment (gains) losses	(28)	(36)
Equity method investees	(91)	(69)
Amortization of investments	(10)	(23)
Depreciation and amortization	33	20
Changes in:
Receivables, net	(20)	53
Accrued investment income	(42)	(42)
Deferred acquisition costs	(40)	(15)
Insurance reserves	79	99
Other assets	(20)	73
Other liabilities	16	(67)
Other, net	13	1
Total adjustments	(59)	62
Net cash flows provided (used) by operating activities	191	312
Dispositions:
Fixed maturity securities - sales	1,409	1,929
Fixed maturity securities - maturities, calls and redemptions	866	683
Equity securities	51	19
Limited partnerships	58	46
Mortgage loans	1	1
Purchases:
Fixed maturity securities	(2,720)	(2,842)
Equity securities	(12)	(12)
Limited partnerships	(41)	(36)
Origination of Mortgage Loans	(25)	(48)
Change in other investments	3
Change in short term investments	264	(8)
Purchases of property and equipment	(21)	(22)
Other, net	6	3
Net cash flows provided (used) by investing activities	(161)	(287)
Cash Flows from Financing Activities
Dividends paid to common stockholders	(55)	(41)
Stock options exercised	1
Other, net	(2)	(1)
Net cash flows provided (used) by financing activities	(56)	(42)
Effect of foreign exchange rate changes on cash	(7)	1
Net change in cash	(33)	(16)
Cash, beginning of year	156	75
Cash, end of period	$ 123	$ 59

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Investments (Securities in a gross unrealized loss position) (Details) (USD $) In Millions, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Estimated Fair Value, Less Than 12 Months	$ 2,743	$ 1,819
Gross Unrealized Losses, Less than 12 Months	51	27
Estimated Fair Value, 12 Months or Longer	659	866
Gross Unrealized Losses, 12 Months or Longer	107	128
Estimated Fair Value, Total	3,402	2,685
Gross Unrealized Losses, Total	158	155
Corporate and other bonds [Member]
Estimated Fair Value, Less Than 12 Months	951	846
Gross Unrealized Losses, Less than 12 Months	13	13
Estimated Fair Value, 12 Months or Longer	50	108
Gross Unrealized Losses, 12 Months or Longer	5	8
Estimated Fair Value, Total	1,001	954
Gross Unrealized Losses, Total	18	21
States, municipalities and political subdivisions [Member]
Estimated Fair Value, Less Than 12 Months	683	254
Gross Unrealized Losses, Less than 12 Months	16	5
Estimated Fair Value, 12 Months or Longer	121	165
Gross Unrealized Losses, 12 Months or Longer	43	39
Estimated Fair Value, Total	804	419
Gross Unrealized Losses, Total	59	44
Residential mortgage-backed [Member]
Estimated Fair Value, Less Than 12 Months	920	583
Gross Unrealized Losses, Less than 12 Months	19	5
Estimated Fair Value, 12 Months or Longer	347	452
Gross Unrealized Losses, 12 Months or Longer	51	66
Estimated Fair Value, Total	1,267	1,035
Gross Unrealized Losses, Total	70	71
Commercial mortgage-backed [Member]
Estimated Fair Value, Less Than 12 Months	155	85
Gross Unrealized Losses, Less than 12 Months	2	2
Estimated Fair Value, 12 Months or Longer	141	141
Gross Unrealized Losses, 12 Months or Longer	8	15
Estimated Fair Value, Total	296	226
Gross Unrealized Losses, Total	10	17
Total asset-backed [Member]
Estimated Fair Value, Less Than 12 Months	1,075	668
Gross Unrealized Losses, Less than 12 Months	21	7
Estimated Fair Value, 12 Months or Longer	488	593
Gross Unrealized Losses, 12 Months or Longer	59	81
Estimated Fair Value, Total	1,563	1,261
Gross Unrealized Losses, Total	80	88
U.S. Treasury and obligations of government-sponsored enterprises [Member]
Estimated Fair Value, Less Than 12 Months		23
Gross Unrealized Losses, Less than 12 Months		1
Estimated Fair Value, 12 Months or Longer
Gross Unrealized Losses, 12 Months or Longer
Estimated Fair Value, Total		23
Gross Unrealized Losses, Total		1
Redeemable preferred stock [Member]
Estimated Fair Value, Less Than 12 Months	34	28
Gross Unrealized Losses, Less than 12 Months	1	1
Estimated Fair Value, 12 Months or Longer
Gross Unrealized Losses, 12 Months or Longer
Estimated Fair Value, Total	34	28
Gross Unrealized Losses, Total	$ 1	$ 1

XML

Fair Value (Tables)

3 Months Ended

Mar. 31, 2013

Fair Value Disclosures [Abstract]

Assets and liabilities measured at fair value on a recurring basis

Assets and liabilities measured at fair value on a recurring basis are summarized below.

March 31, 2013								Total Assets/(Liabilities) at Fair Value
(In millions)	Level 1		Level 2		Level 3
Assets
Fixed maturity securities:
Corporate and other bonds	$	32	$	22,020	$	302		$	22,354
States, municipalities and political subdivisions	—		10,819		129			10,948
Asset-backed:
Residential mortgage-backed	—		5,233		450			5,683
Commercial mortgage-backed	—		1,813		177			1,990
Other asset-backed	—		559		396			955
Total asset-backed	—		7,605		1,023			8,628
U.S. Treasury and obligations of government-sponsored enterprises	155		26		—			181
Foreign government	104		448		—			552
Redeemable preferred stock	51		59		26			136
Total fixed maturity securities	342		40,977		1,480			42,799
Equity securities	120		62		19			201
Other invested assets	—		49		—			49
Short term investments	1,102		397		5			1,504
Life settlement contracts, included in Other assets	—		—		95			95
Separate account business	11		266		2			279
Total assets	$	1,575	$	41,751	$	1,601		$	44,927
Liabilities
Derivative financial instruments, included in Other liabilities	$	—	$	—	$	(1	)	$	(1	)
Total liabilities	$	—	$	—	$	(1	)	$	(1	)

December 31, 2012									Total Assets/(Liabilities) at Fair Value
(In millions)	Level 1		Level 2			Level 3
Assets
Fixed maturity securities:
Corporate and other bonds	$	6	$	22,011		$	219		$	22,236
States, municipalities and political subdivisions	—		10,687			96			10,783
Asset-backed:
Residential mortgage-backed	—		5,507			413			5,920
Commercial mortgage-backed	—		1,693			129			1,822
Other asset-backed	—		584			368			952
Total asset-backed	—		7,784			910			8,694
U.S. Treasury and obligations of government-sponsored enterprises	158		24			—			182
Foreign government	140		473			—			613
Redeemable preferred stock	40		59			26			125
Total fixed maturity securities	344		41,038			1,251			42,633
Equity securities	117		98			34			249
Other invested assets	—		58			1			59
Short term investments	987		799			6			1,792
Life settlement contracts, included in Other assets	—		—			100			100
Separate account business	4		306			2			312
Total assets	$	1,452	$	42,299		$	1,394		$	45,145
Liabilities
Derivative financial instruments, included in Other liabilities	$	—	$	(2	)	$	(1	)	$	(3	)
Total liabilities	$	—	$	(2	)	$	(1	)	$	(3	)

Table of reconciliation for assets and liablities measured at fair value on a recurring basis using significant unobservable inputs

The tables below present a reconciliation for all assets and liabilities measured at fair value on a recurring basis using significant unobservable inputs (Level 3) for the three months ended March 31, 2013 and 2012.

Level 3 (In millions)	Balance at January 1, 2013		Net realized investment gains (losses) and net change in unrealized appreciation (depreciation) included in net income (loss)*			Net change in unrealized appreciation (depreciation) included in other comprehensive income (loss)		Purchases		Sales			Settlements			Transfers into Level 3		Transfers out of Level 3			Balance at March 31, 2013			Unrealized gains (losses) on Level 3 assets and liabilities held at March 31, 2013 recognized in net income (loss)*
Fixed maturity securities:
Corporate and other bonds	$	219	$	—		$	2	$	110	$	(17	)	$	(20	)	$	26	$	(18	)	$	302		$	(1	)
States, municipalities and political subdivisions	96		(3		)	—		85		(47		)	(2		)	—		—			129			—
Asset-backed:
Residential mortgage-backed	413		3			—		61		—			(11		)	—		(16		)	450			—
Commercial mortgage-backed	129		1			5		73		—			(7		)	—		(24		)	177			—
Other asset-backed	368		3			1		136		(99		)	(13		)	—		—			396			—
Total asset-backed	910		7			6		270		(99		)	(31		)	—		(40		)	1,023			—
Redeemable preferred stock	26		—			—		—		—			—			—		—			26			—
Total fixed maturity securities	1,251		4			8		465		(163		)	(53		)	26		(58		)	1,480			(1		)
Equity securities	34		(15		)	1		—		—			—			—		(1		)	19			(15		)
Other invested assets, including derivatives, net	—		—			—		—		(1		)	—			—		—			(1		)	—
Short term investments	6		—			—		—		(1		)	—			—		—			5			—
Life settlement contracts	100		7			—		—		—			(12		)	—		—			95			—
Separate account business	2		—			—		—		—			—			—		—			2			—
Total	$	1,393	$	(4	)	$	9	$	465	$	(165	)	$	(65	)	$	26	$	(59	)	$	1,600		$	(16	)

Level 3 (In millions)	Balance at January 1, 2012		Net realized investment gains (losses) and net change in unrealized appreciation (depreciation) included in net income (loss)*		Net change in unrealized appreciation (depreciation) included in other comprehensive income (loss)			Purchases		Sales			Settlements			Transfers into Level 3		Transfers out of Level 3			Balance at March 31, 2012		Unrealized gains (losses) on Level 3 assets and liabilities held at March 31, 2012 recognized in net income (loss)*
Fixed maturity securities:
Corporate and other bonds	$	482	$	3	$	4		$	79	$	(86	)	$	(19	)	$	33	$	(10	)	$	486	$	—
States, municipalities and political subdivisions	171		—		2			—		—			—			—		—			173		—
Asset-backed:
Residential mortgage-backed	452		1		(4		)	38		—			(7		)	—		(33		)	447		—
Commercial mortgage-backed	59		—		4			42		—			—			—		—			105		—
Other asset-backed	343		4		4			176		(77		)	(25		)	—		(41		)	384		—
Total asset-backed	854		5		4			256		(77		)	(32		)	—		(74		)	936		—
Redeemable preferred stock	—		—		—			53		—			—			—		—			53		—
Total fixed maturity securities	1,507		8		10			388		(163		)	(51		)	33		(84		)	1,648		—
Equity securities	67		—		(3		)	11		(1		)	—			—		—			74		(2		)
Other invested assets, including derivatives, net	10		—		—			—		—			—			—		—			10		—
Short term investments	27		—		—			12		—			(39		)	—		—			—		—
Life settlement contracts	117		3		—			—		—			(5		)	—		—			115		(1		)
Separate account business	23		—		—			—		(19		)	—			—		—			4		—
Total	$	1,751	$	11	$	7		$	411	$	(183	)	$	(95	)	$	33	$	(84	)	$	1,851	$	(3	)

Quantitative information about significant unobservable inputs in the fair value measurement of level 3 assets

Assets (In millions)	Fair Value at March 31, 2013		Valuation Technique(s)	Unobservable Input(s)	Range  (Weighted Average)
Fixed maturity securities	$	78	Discounted cash flow	Expected call date	3.0 - 4.6 years (4.0 years)
				Credit spread adjustment	0.02% - 0.48% (0.17%)
	$	97	Market approach	Private offering price	$34.70 - $122.09 ($102.97)
Equity securities	$	19	Market approach	Private offering price	$33.73 - $3,970.99 per share ($1,114.32 per share)
Life settlement contracts	$	95	Discounted cash flow	Discount rate risk premium	9%
				Mortality assumption	69% - 883% (209.2%)

Assets (In millions)	Fair Value at December 31, 2012		Valuation Technique(s)	Unobservable Input(s)	Range  (Weighted Average)
Fixed maturity securities	$	121	Discounted cash flow	Expected call date	3.3 - 5.3 years (4.3 years)
				Credit spread adjustment	0.02% - 0.48% (0.17%)
	$	72	Market approach	Private offering price	$42.39 - $102.32 ($100.11)
Equity securities	$	34	Market approach	Private offering price	$4.54 - $3,842.00 per share ($571.17 per share)
Life settlement contracts	$	100	Discounted cash flow	Discount rate risk premium	9%
				Mortality assumption	69% - 883% (208.9%)

Carrying amount and estimated fair value of financial instrument assets and liabilities not measured at fair value

The carrying amount and estimated fair value of the Company's financial instrument assets and liabilities which are not measured at fair value on the Condensed Consolidated Balance Sheets are listed in the tables below.

March 31, 2013	Carrying Amount		Estimated Fair Value
(In millions)			Level 1		Level 2		Level 3		Total
Financial assets
Notes receivable for the issuance of common stock	$	20	$	—	$	—	$	20	$	20
Mortgage loans	425		—		—		449		449
Financial liabilities
Premium deposits and annuity contracts	$	96	$	—	$	—	$	100	$	100
Short term debt	13		—		13		—		13
Long term debt	2,558		—		3,016		—		3,016

December 31, 2012	Carrying Amount		Estimated Fair Value
(In millions)			Level 1		Level 2		Level 3		Total
Financial assets
Notes receivable for the issuance of common stock	$	21	$	—	$	—	$	21	$	21
Mortgage loans	401		—		—		418		418
Financial liabilities
Premium deposits and annuity contracts	$	100	$	—	$	—	$	104	$	104
Short term debt	13		—		13		—		13
Long term debt	2,557		—		3,016		—		3,016

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Investments (Activity related to the pretax fixed maturity credit loss component reflected within retained earnings for securities still held for which a portion of an OTTI loss was recognized in OCI) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Roll Forward]
Beginning balance of credit losses on fixed maturity securities	$ 95	$ 92
Additional credit losses for securities for which an OTTI loss was previously recognized		11
Credit losses for securities for which an OTTI loss was not previously recognized		1
Reductions for securities sold during the period	(3)	(4)
Ending balance of credit losses on fixed maturity securities	$ 92	$ 100

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Benefit Plans (Tables)

3 Months Ended

Mar. 31, 2013

Compensation and Retirement Disclosure [Abstract]

Components of net periodic cost (benefit)

Net Periodic Cost (Benefit)

Three months ended March 31
(In millions)	2013			2012
Pension cost (benefit)
Service cost	$	3		$	3
Interest cost on projected benefit obligation	30			34
Expected return on plan assets	(45		)	(43		)
Amortization of net actuarial (gain) loss	12			10
Net periodic pension cost (benefit)	$	—		$	4
Postretirement cost (benefit)
Amortization of prior service credit	$	(4	)	$	(4	)
Net periodic postretirement cost (benefit)	$	(4	)	$	(4	)

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Condensed Consolidated Statements of Stockholders' Equity (Unaudited) (USD $) In Millions, unless otherwise specified	Total	Common stock [Member]	Additional paid-in capital [Member]	Retained earnings [Member]	Accumulated other comprehensive income (loss) [Member]	Treasury stock [Member]	Notes receivable for the issuance of common stock [Member]
Balance at Dec. 31, 2011		$ 683	$ 2,141	$ 8,308	$ 480	$ (102)	$ (22)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	250			250
Other comprehensive income (loss)					284
Dividends paid to common stockholders				(41)
Stock-based compensation			(1)			2
(Increase) decrease in notes receivable from the issuance of common stock							(1)
Balance at Mar. 31, 2012	11,981	683	2,140	8,517	764	(100)	(23)
Balance at Dec. 31, 2012	12,314	683	2,146	8,774	831	(99)	(21)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	250			250
Other comprehensive income (loss)					(104)
Dividends paid to common stockholders				(55)
Stock-based compensation			(8)			7
(Increase) decrease in notes receivable from the issuance of common stock							1
Balance at Mar. 31, 2013	$ 12,405	$ 683	$ 2,138	$ 8,969	$ 727	$ (92)	$ (20)

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Consolidated Statements of Comprehensive Income (Loss) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Changes in:
Net unrealized gains (losses) on investments with other-than-temporary impairments	$ 14	$ 40
Net unrealized gains (losses) on other investments	(62)	217
Net unrealized gains (losses) on investments	(48)	257
Foreign currency translation adjustment	(61)	21
Pension and postretirement benefits	5	6
Other comprehensive income (loss), net of tax	(104)	284
Net income (loss)	250	250
Total comprehensive income (loss)	$ 146	$ 534

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Commitments, Contingencies, and Guarantees

3 Months Ended

Mar. 31, 2013

Commitments and Contingencies Disclosure [Abstract]

Commitments, Contingencies, and Guarantees

Note J. Commitments, Contingencies, and Guarantees

Commitments and Contingencies

The Company holds an investment in a real estate joint venture. In the normal course of business, the Company, on a joint and several basis with other unrelated insurance company shareholders, has committed to continue funding the operating deficits of this joint venture. Additionally, the Company and the other unrelated shareholders, on a joint and several basis, have guaranteed an operating lease for an office building, which expires in 2016. The guarantee of the operating lease is a parallel guarantee to the commitment to fund operating deficits; consequently, the separate guarantee to the lessor is not expected to be triggered as long as the joint venture continues to be funded by its shareholders which provide liquidity to make its annual lease payments.

In the event that the other parties to the joint venture are unable to meet their commitments in funding the operations of this joint venture, the Company would be required to assume the obligation for the entire office building operating lease. The Company does not believe it is likely that it will be required to do so. However, the maximum potential future lease payments and other related costs at March 31, 2013 that the Company could be required to pay under this guarantee, in excess of amounts already recorded, were approximately $98 million. If the Company were required to assume the entire lease obligation, the Company would have the right to pursue reimbursement from the other shareholders and the right to all sublease revenues.

Guarantees

In the course of selling business entities and assets to third parties, the Company has agreed to indemnify purchasers for losses arising out of breaches of representation and warranties with respect to the business entities or assets being sold, including, in certain cases, losses arising from undisclosed liabilities or certain named litigation. Such indemnification provisions generally survive for periods ranging from nine months following the applicable closing date to the expiration of the relevant statutes of limitation. As of March 31, 2013, the aggregate amount of quantifiable indemnification agreements in effect for sales of business entities, assets and third party loans was $724 million.

In addition, the Company has agreed to provide indemnification to third party purchasers for certain losses associated with sold business entities or assets that are not limited by a contractual monetary amount. As of March 31, 2013, the Company had outstanding unlimited indemnifications in connection with the sales of certain of its business entities or assets that included tax liabilities arising prior to a purchaser's ownership of an entity or asset, defects in title at the time of sale, employee claims arising prior to closing and in some cases losses arising from certain litigation and undisclosed liabilities. These indemnification agreements survive until the applicable statutes of limitation expire, or until the agreed upon contract terms expire.

As of March 31, 2013 and December 31, 2012, the Company had recorded liabilities of approximately $7 million related to indemnification agreements and management believes that it is not likely that any future indemnity claims will be significantly greater than the amounts recorded.

XML

Document and Entity Information Document	3 Months Ended
	Mar. 31, 2013	Apr. 26, 2013
Entity Information [Line Items]
Entity Registrant Name	CNA FINANCIAL CORP
Entity Central Index Key	0000021175
Current Fiscal Year End Date	--03-31
Entity Filer Category	Large Accelerated Filer
Document Type	10-Q
Document Period End Date	Mar. 31, 2013
Document Fiscal Year Focus	2013
Document Fiscal Period Focus	Q1
Amendment Flag	false
Entity Common Stock, Shares Outstanding		269,684,313

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Business Segments

3 Months Ended

Mar. 31, 2013

Segment Reporting [Abstract]

Business Segments

Note K. Business Segments

The Company's core property and casualty commercial insurance operations are reported in three business segments: CNA Specialty, CNA Commercial and Hardy. The Company's non-core operations are managed in two segments: Life & Group Non-Core and Corporate & Other Non-Core.

The accounting policies of the segments are the same as those described in Note A of the Consolidated Financial Statements within CNAF's Annual Report on Form 10-K for the year ended December 31, 2012. The Company manages most of its assets on a legal entity basis, while segment operations are generally conducted across legal entities. As such, only insurance and reinsurance receivables, insurance reserves, deferred acquisition costs and goodwill are readily identifiable for all individual segments. Distinct investment portfolios are not maintained for every individual segment; accordingly, allocation of assets to each segment is not performed. Therefore, a significant portion of net investment income and realized investment gains or losses are allocated primarily based on each segment's net carried insurance reserves, as adjusted. All significant intersegment income and expense has been eliminated. Income taxes have been allocated on the basis of the taxable income of the segments.

In the following tables, certain financial measures are presented to provide information used by management to monitor the Company's operating performance. Management utilizes these financial measures to monitor the Company's insurance operations and investment portfolio. Net operating income, which is derived from certain income statement amounts, is used by management to monitor performance of the Company's insurance operations. The Company's investment portfolio is monitored by management through analysis of various factors including unrealized gains and losses on securities, portfolio duration and exposure to market and credit risk. Based on such analyses, the Company may recognize an OTTI loss on an investment security in accordance with its policy, or sell a security, which may produce realized gains and losses.

Net operating income (loss) is calculated by excluding from net income (loss) the after-tax effects of 1) net realized investment gains or losses and 2) any cumulative effects of changes in accounting guidance. The calculation of net operating income excludes net realized investment gains or losses because net realized investment gains or losses are largely discretionary, except for some losses related to OTTI, and are generally driven by economic factors that are not necessarily consistent with key drivers of underwriting performance, and are therefore not considered an indication of trends in insurance operations.

The Company's results of operations and selected balance sheet items by segment are presented in the following tables.

Three months ended March 31, 2013	CNA Specialty			CNA Commercial			Hardy			Life & Group Non-Core			Corporate & Other Non-Core
(In millions)																Eliminations			Total
Operating revenues
Net earned premiums	$	723		$	837		$	64		$	141		$	—		$	(1	)	$	1,764
Net investment income	170			250			1			204			8			—			633
Other revenues	60			10			1			4			3			—			78
Total operating revenues	953			1,097			66			349			11			(1		)	2,475
Claims, Benefits and Expenses
Net incurred claims and benefits	465			600			31			325			4			—			1,425
Policyholders’ dividends	1			2			—			1			—			—			4
Amortization of deferred acquisition costs	150			149			21			8			—			—			328
Other insurance related expenses	71			143			16			33			—			(1		)	262
Other expenses	54			9			7			5			46			—			121
Total claims, benefits and expenses	741			903			75			372			50			(1		)	2,140
Operating income (loss) before income tax	212			194			(9		)	(23		)	(39		)	—			335
Income tax (expense) benefit on operating income (loss)	(72		)	(69		)	1			23			13			—			(104		)
Net operating income (loss)	140			125			(8		)	—			(26		)	—			231
Net realized investment gains (losses)	3			4			1			14			6			—			28
Income tax (expense) benefit on net realized investment gains (losses)	(1		)	(1		)	—			(5		)	(2		)	—			(9		)
Net realized investment gains (losses), after-tax	2			3			1			9			4			—			19
Net income (loss)	$	142		$	128		$	(7	)	$	9		$	(22	)	$	—		$	250

March 31, 2013
(In millions)
Reinsurance receivables	$	662	$	1,170	$	251	$	1,273	$	2,781	$	—		$	6,137
Insurance receivables	$	707	$	1,168	$	181	$	13	$	3	$	—		$	2,072
Deferred acquisition costs	$	313	$	287	$	41	$	—	$	—	$	—		$	641
Goodwill	$	117	$	—	$	34	$	—	$	—	$	—		$	151
Insurance reserves
Claim and claim adjustment expenses	$	6,807	$	11,105	$	470	$	3,031	$	3,098	$	—		$	24,511
Unearned premiums	1,770		1,629		218		143		—		(1		)	3,759
Future policy benefits	—		—		—		11,469		—		—			11,469
Policyholders’ funds	9		14		—		131		—		—			154

Three months ended March 31, 2012	CNA Specialty			CNA Commercial			Hardy	Life & Group Non-Core			Corporate & Other Non-Core
(In millions)														Eliminations		Total
Operating revenues
Net earned premiums	$	706		$	803			$	141		$	(1	)	$	—	$	1,649
Net investment income	175			265				198			10			—		648
Other revenues	56			9				(2		)	5			—		68
Total operating revenues	937			1,077				337			14			—		2,365
Claims, Benefits and Expenses
Net incurred claims and benefits	468			567				336			7			—		1,378
Policyholders’ dividends	(2		)	3				2			—			—		3
Amortization of deferred acquisition costs	148			139				8			—			—		295
Other insurance related expenses	72			144				35			(1		)	—		250
Other expenses	50			7				6			48			—		111
Total claims, benefits and expenses	736			860				387			54			—		2,037
Operating income (loss) before income tax	201			217				(50		)	(40		)	—		328
Income tax (expense) benefit on operating income (loss)	(69		)	(78		)		31			14			—		(102		)
Net operating income (loss)	132			139				(19		)	(26		)	—		226
Net realized investment gains (losses)	8			11				13			4			—		36
Income tax (expense) benefit on net realized investment gains (losses)	(2		)	(4		)		(5		)	(1		)	—		(12		)
Net realized investment gains (losses), after-tax	6			7				8			3			—		24
Net income (loss)	$	138		$	146			$	(11	)	$	(23	)	$	—	$	250

December 31, 2012
(In millions)
Reinsurance receivables	$	665	$	1,155	$	294	$	1,273	$	2,844	$	—	$	6,231
Insurance receivables	$	673	$	1,116	$	181	$	9	$	4	$	—	$	1,983
Deferred acquisition costs	$	300	$	269	$	29	$	—	$	—	$	—	$	598
Goodwill	$	117	$	—	$	37	$	—	$	—	$	—	$	154
Insurance reserves
Claim and claim adjustment expenses	$	6,748	$	11,326	$	521	$	3,006	$	3,162	$	—	$	24,763
Unearned premiums	1,685		1,569		222		134		—		—		3,610
Future policy benefits	—		—		—		11,475		—		—		11,475
Policyholders’ funds	8		15		—		134		—		—		157

The following table provides revenue by line of business for each reportable segment. Revenues are comprised of operating revenues and net realized investment gains and losses.

Revenues by Line of Business

Three months ended March 31
(In millions)	2013			2012
CNA Specialty
International	$	59		$	57
Professional & Management Liability	700			694
Surety	116			119
Warranty & Alternative Risks	81			75
CNA Specialty revenues	956			945
CNA Commercial
Commercial Insurance	826			835
International	93			91
Small Business	182			162
CNA Commercial revenues	1,101			1,088
Hardy revenues	67
Life & Group Non-Core
Health	298			291
Life & Annuity	61			60
Other	4			(1		)
Life & Group Non-Core revenues	363			350
Corporate & Other Non-Core revenues	17			18
Eliminations	(1		)	—
Total revenues	$	2,503		$	2,401

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Condensed Consolidated Balance Sheets (Unaudited) (USD $) In Millions, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Assets
Fixed maturity securities at fair value (amortized cost of $38,533 and $38,170)	$ 42,799	$ 42,633
Equity securities at fair value (cost of $177 and $228)	201	249
Limited partnership investments	2,564	2,462
Other invested assets	49	59
Mortgage loans	425	401
Short term investments	1,555	1,832
Total investments	47,593	47,636
Cash	123	156
Reinsurance receivables (less allowance for uncollectible receivables of $71 and $73)	6,066	6,158
Insurance receivables (less allowance for uncollectible receivables of $98 and $101)	1,974	1,882
Accrued investment income	476	434
Deferred acquisition costs	641	598
Deferred income taxes	21	93
Property and equipment at cost (less accumulated depreciation of $406 and $404)	323	326
Goodwill	151	154
Other assets (includes $0 and $4 due from Loews Corporation)	1,080	773
Separate account business	279	312
Total assets	58,727	58,522
Liabilities
Claim and claim adjustment expenses	24,511	24,763
Unearned premiums	3,759	3,610
Future policy benefits	11,469	11,475
Policyholders’ funds	154	157
Short term debt	13	13
Long term debt	2,558	2,557
Other liabilities (includes $1 and $0 due to Loews Corporation)	3,579	3,321
Separate account business	279	312
Total liabilities	46,322	46,208
Commitments and contingencies (Notes C, G and J)
Stockholders' Equity
Common stock ($2.50 par value; 500,000,000 shares authorized; 273,040,243 shares issued; 269,681,511 and 269,399,390 shares outstanding)	683	683
Additional paid-in capital	2,138	2,146
Retained earnings	8,969	8,774
Accumulated other comprehensive income (loss)	727	831
Treasury stock (3,358,732 and 3,640,853 shares), at cost	(92)	(99)
Notes receivable for the issuance of common stock	(20)	(21)
Total stockholders’ equity	12,405	12,314
Total liabilities and stockholders' equity	$ 58,727	$ 58,522

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Fair Value

3 Months Ended

Mar. 31, 2013

Fair Value Disclosures [Abstract]

Fair Value

Note E. Fair Value

Fair value is the price that would be received upon sale of an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date. The following fair value hierarchy is used in selecting inputs, with the highest priority given to Level 1, as these are the most transparent or reliable.

Level 1 - Quoted prices for identical instruments in active markets.

Level 2 - Quoted prices for similar instruments in active markets; quoted prices for identical or similar instruments in markets that are not active; and model-derived valuations in which all significant inputs are observable in active markets.

Level 3 - Valuations derived from valuation techniques in which one or more significant inputs are not observable.

Prices may fall within Level 1, 2 or 3 depending upon the methodologies and inputs used to estimate fair value for each specific security. Prices are determined by a dedicated group who ultimately report to the Company's CFO. This group is responsible for valuation policies and procedures. In general the Company seeks to price securities using third-party pricing services. Securities not priced by pricing services are submitted to independent brokers for valuation and, if those are not available, internally developed pricing models are used to value assets using methodologies and inputs the Company believes market participants would use to value the assets.

The Company performs control procedures over information obtained from pricing services and brokers to ensure prices received represent a reasonable estimate of fair value and to confirm representations regarding whether inputs are observable or unobservable. Procedures include i) the review of pricing service or broker pricing methodologies, ii) back-testing, where past fair value estimates are compared to actual transactions executed in the market on similar dates, iii) exception reporting, where changes in price, period-over-period, are reviewed and challenged with the pricing service or broker based on exception criteria, iv) deep dives, where the Company independently validates detailed information regarding inputs and assumptions for individual securities and v) pricing validation, where prices received are compared to prices independently estimated by the Company.

Assets and Liabilities Measured at Fair Value

Assets and liabilities measured at fair value on a recurring basis are summarized below.

March 31, 2013								Total Assets/(Liabilities) at Fair Value
(In millions)	Level 1		Level 2		Level 3
Assets
Fixed maturity securities:
Corporate and other bonds	$	32	$	22,020	$	302		$	22,354
States, municipalities and political subdivisions	—		10,819		129			10,948
Asset-backed:
Residential mortgage-backed	—		5,233		450			5,683
Commercial mortgage-backed	—		1,813		177			1,990
Other asset-backed	—		559		396			955
Total asset-backed	—		7,605		1,023			8,628
U.S. Treasury and obligations of government-sponsored enterprises	155		26		—			181
Foreign government	104		448		—			552
Redeemable preferred stock	51		59		26			136
Total fixed maturity securities	342		40,977		1,480			42,799
Equity securities	120		62		19			201
Other invested assets	—		49		—			49
Short term investments	1,102		397		5			1,504
Life settlement contracts, included in Other assets	—		—		95			95
Separate account business	11		266		2			279
Total assets	$	1,575	$	41,751	$	1,601		$	44,927
Liabilities
Derivative financial instruments, included in Other liabilities	$	—	$	—	$	(1	)	$	(1	)
Total liabilities	$	—	$	—	$	(1	)	$	(1	)

December 31, 2012									Total Assets/(Liabilities) at Fair Value
(In millions)	Level 1		Level 2			Level 3
Assets
Fixed maturity securities:
Corporate and other bonds	$	6	$	22,011		$	219		$	22,236
States, municipalities and political subdivisions	—		10,687			96			10,783
Asset-backed:
Residential mortgage-backed	—		5,507			413			5,920
Commercial mortgage-backed	—		1,693			129			1,822
Other asset-backed	—		584			368			952
Total asset-backed	—		7,784			910			8,694
U.S. Treasury and obligations of government-sponsored enterprises	158		24			—			182
Foreign government	140		473			—			613
Redeemable preferred stock	40		59			26			125
Total fixed maturity securities	344		41,038			1,251			42,633
Equity securities	117		98			34			249
Other invested assets	—		58			1			59
Short term investments	987		799			6			1,792
Life settlement contracts, included in Other assets	—		—			100			100
Separate account business	4		306			2			312
Total assets	$	1,452	$	42,299		$	1,394		$	45,145
Liabilities
Derivative financial instruments, included in Other liabilities	$	—	$	(2	)	$	(1	)	$	(3	)
Total liabilities	$	—	$	(2	)	$	(1	)	$	(3	)

The tables below present a reconciliation for all assets and liabilities measured at fair value on a recurring basis using significant unobservable inputs (Level 3) for the three months ended March 31, 2013 and 2012.

Level 3 (In millions)	Balance at January 1, 2013		Net realized investment gains (losses) and net change in unrealized appreciation (depreciation) included in net income (loss)*			Net change in unrealized appreciation (depreciation) included in other comprehensive income (loss)		Purchases		Sales			Settlements			Transfers into Level 3		Transfers out of Level 3			Balance at March 31, 2013			Unrealized gains (losses) on Level 3 assets and liabilities held at March 31, 2013 recognized in net income (loss)*
Fixed maturity securities:
Corporate and other bonds	$	219	$	—		$	2	$	110	$	(17	)	$	(20	)	$	26	$	(18	)	$	302		$	(1	)
States, municipalities and political subdivisions	96		(3		)	—		85		(47		)	(2		)	—		—			129			—
Asset-backed:
Residential mortgage-backed	413		3			—		61		—			(11		)	—		(16		)	450			—
Commercial mortgage-backed	129		1			5		73		—			(7		)	—		(24		)	177			—
Other asset-backed	368		3			1		136		(99		)	(13		)	—		—			396			—
Total asset-backed	910		7			6		270		(99		)	(31		)	—		(40		)	1,023			—
Redeemable preferred stock	26		—			—		—		—			—			—		—			26			—
Total fixed maturity securities	1,251		4			8		465		(163		)	(53		)	26		(58		)	1,480			(1		)
Equity securities	34		(15		)	1		—		—			—			—		(1		)	19			(15		)
Other invested assets, including derivatives, net	—		—			—		—		(1		)	—			—		—			(1		)	—
Short term investments	6		—			—		—		(1		)	—			—		—			5			—
Life settlement contracts	100		7			—		—		—			(12		)	—		—			95			—
Separate account business	2		—			—		—		—			—			—		—			2			—
Total	$	1,393	$	(4	)	$	9	$	465	$	(165	)	$	(65	)	$	26	$	(59	)	$	1,600		$	(16	)

Level 3 (In millions)	Balance at January 1, 2012		Net realized investment gains (losses) and net change in unrealized appreciation (depreciation) included in net income (loss)*		Net change in unrealized appreciation (depreciation) included in other comprehensive income (loss)			Purchases		Sales			Settlements			Transfers into Level 3		Transfers out of Level 3			Balance at March 31, 2012		Unrealized gains (losses) on Level 3 assets and liabilities held at March 31, 2012 recognized in net income (loss)*
Fixed maturity securities:
Corporate and other bonds	$	482	$	3	$	4		$	79	$	(86	)	$	(19	)	$	33	$	(10	)	$	486	$	—
States, municipalities and political subdivisions	171		—		2			—		—			—			—		—			173		—
Asset-backed:
Residential mortgage-backed	452		1		(4		)	38		—			(7		)	—		(33		)	447		—
Commercial mortgage-backed	59		—		4			42		—			—			—		—			105		—
Other asset-backed	343		4		4			176		(77		)	(25		)	—		(41		)	384		—
Total asset-backed	854		5		4			256		(77		)	(32		)	—		(74		)	936		—
Redeemable preferred stock	—		—		—			53		—			—			—		—			53		—
Total fixed maturity securities	1,507		8		10			388		(163		)	(51		)	33		(84		)	1,648		—
Equity securities	67		—		(3		)	11		(1		)	—			—		—			74		(2		)
Other invested assets, including derivatives, net	10		—		—			—		—			—			—		—			10		—
Short term investments	27		—		—			12		—			(39		)	—		—			—		—
Life settlement contracts	117		3		—			—		—			(5		)	—		—			115		(1		)
Separate account business	23		—		—			—		(19		)	—			—		—			4		—
Total	$	1,751	$	11	$	7		$	411	$	(183	)	$	(95	)	$	33	$	(84	)	$	1,851	$	(3	)

* Net realized and unrealized gains and losses shown above are reported in Net income (loss) as follows:

Major Category of Assets and Liabilities	Condensed Consolidated Statements of Operations Line Items
Fixed maturity securities available-for-sale	Net realized investment gains (losses)
Fixed maturity securities trading	Net investment income
Equity securities	Net realized investment gains (losses)
Other invested assets - Derivative financial instruments held in a trading portfolio	Net investment income
Other invested assets - Derivative financial instruments not held in a trading portfolio	Net realized investment gains (losses)
Other invested assets - Overseas deposits	Net investment income
Life settlement contracts	Other revenues

Securities shown in the Level 3 tables on the previous pages may be transferred in or out of Level 3 based on the availability of observable market information used to determine the fair value of the security. The availability of observable market information varies based on market conditions and trading volume and may cause securities to move in and out of Level 3 from reporting period to reporting period. There were no transfers between Level 1 and Level 2during the three months ended March 31, 2013 or 2012. The Company's policy is to recognize transfers between levels at the beginning of quarterly reporting periods.

Valuation Methodologies and Inputs

The following section describes the valuation methodologies and relevant inputs used to measure different financial instruments at fair value, including an indication of the level in the fair value hierarchy in which the instruments are generally classified.

Fixed Maturity Securities

Fixed maturity securities are valued using methodologies that model information generated by market transactions involving identical or comparable assets, as well as discounted cash flow methodologies. Common inputs include: prices from recently executed transactions of similar securities, broker/dealer quotes, benchmark yields, spreads off benchmark yields, interest rates, and U.S. Treasury or swap curves. Specifically for asset-backed securities, key inputs include prepayment and default projections based on past performance of the underlying collateral and current market data.

Level 1 securities include exchange traded bonds, highly liquid U.S. and foreign government bonds, and redeemable preferred stock, valued using quoted market prices. Level 2 securities include most other fixed maturity securities as the significant inputs are observable in the marketplace. Securities are generally assigned to Level 3 in cases where broker/dealer quotes are significant inputs to the valuation and there is a lack of transparency as to whether these quotes are based on information that is observable in the marketplace. Level 3 securities also include tax-exempt auction rate certificates and private placement debt securities. Fair value of auction rate securities is determined utilizing a pricing model with three primary inputs. The interest rate and spread inputs are observable from like instruments while the expected call date assumption is unobservable due to the uncertain nature of principal prepayments prior to maturity and the credit spread adjustment that is security specific. Fair value of certain private placement debt securities is determined using internal models with inputs that are not market observable.

Equity Securities

Level 1 equity securities include publicly traded securities valued using quoted market prices. Level 2 securities are primarily non-redeemable preferred stocks and common stocks valued using pricing for similar securities, recently executed transactions, broker/dealer quotes and other pricing models utilizing market observable inputs. Level 3 securities are priced using internal models with inputs that are not market observable.

Other Invested Assets

Level 1 securities include exchange traded derivatives, primarily futures, valued using quoted market prices. Level 2 securities include overseas deposits, which can be redeemed at net asset value in 90 days or less, and derivatives, primarily currency forwards valued using observable market forward rates. Over-the-counter derivatives, principally interest rate swaps, total return swaps, credit default swaps, equity warrants and options, are valued using inputs including broker/dealer quotes and are classified within Level 3 of the valuation hierarchy due to a lack of transparency as to whether these quotes are based on information that is observable in the marketplace.

Short Term Investments

Securities that are actively traded or have quoted prices are classified as Level 1. These securities include money market funds and treasury bills. Level 2 primarily includes commercial paper, for which all inputs are market observable. Fixed maturity securities purchased within one year of maturity are classified consistent with fixed maturity securities discussed above. Short term investments as presented in the tables above differ from the amounts presented on the Condensed Consolidated Balance Sheets because certain short term investments, such as time deposits, are not measured at fair value.

Life Settlement Contracts

The fair values of life settlement contracts are determined as the present value of the anticipated death benefits less anticipated premium payments based on contract terms that are distinct for each insured, as well as the Company's own assumptions for mortality, premium expense, and the rate of return that a buyer would require on the contracts, as no comparable market pricing data is available.

Separate Account Business

Separate account business includes fixed maturity securities, equities and short term investments. The valuation methodologies and inputs for these asset types have been described above.

Significant Unobservable Inputs

The table below presents quantitative information about the significant unobservable inputs utilized by the Company in the fair value measurements of Level 3 assets. Valuations for assets and liabilities not presented in the table below are primarily based on broker/dealer quotes for which there is a lack of transparency as to inputs used to develop the valuations. The quantitative detail of these unobservable inputs is neither provided nor reasonably available to the Company.

Assets (In millions)	Fair Value at March 31, 2013		Valuation Technique(s)	Unobservable Input(s)	Range  (Weighted Average)
Fixed maturity securities	$	78	Discounted cash flow	Expected call date	3.0 - 4.6 years (4.0 years)
				Credit spread adjustment	0.02% - 0.48% (0.17%)
	$	97	Market approach	Private offering price	$34.70 - $122.09 ($102.97)
Equity securities	$	19	Market approach	Private offering price	$33.73 - $3,970.99 per share ($1,114.32 per share)
Life settlement contracts	$	95	Discounted cash flow	Discount rate risk premium	9%
				Mortality assumption	69% - 883% (209.2%)

Assets (In millions)	Fair Value at December 31, 2012		Valuation Technique(s)	Unobservable Input(s)	Range  (Weighted Average)
Fixed maturity securities	$	121	Discounted cash flow	Expected call date	3.3 - 5.3 years (4.3 years)
				Credit spread adjustment	0.02% - 0.48% (0.17%)
	$	72	Market approach	Private offering price	$42.39 - $102.32 ($100.11)
Equity securities	$	34	Market approach	Private offering price	$4.54 - $3,842.00 per share ($571.17 per share)
Life settlement contracts	$	100	Discounted cash flow	Discount rate risk premium	9%
				Mortality assumption	69% - 883% (208.9%)

For fixed maturity securities, an increase to the expected call date assumption and credit spread adjustment or decrease in the private offering price would result in a lower fair value measurement. For equity securities, an increase in the private offering price would result in a higher fair value measurement. For life settlement contracts, an increase in the discount rate risk premium or decrease in the mortality assumption would result in a lower fair value measurement.

Financial Assets and Liabilities Not Measured at Fair Value

The carrying amount and estimated fair value of the Company's financial instrument assets and liabilities which are not measured at fair value on the Condensed Consolidated Balance Sheets are listed in the tables below.

March 31, 2013	Carrying Amount		Estimated Fair Value
(In millions)			Level 1		Level 2		Level 3		Total
Financial assets
Notes receivable for the issuance of common stock	$	20	$	—	$	—	$	20	$	20
Mortgage loans	425		—		—		449		449
Financial liabilities
Premium deposits and annuity contracts	$	96	$	—	$	—	$	100	$	100
Short term debt	13		—		13		—		13
Long term debt	2,558		—		3,016		—		3,016

December 31, 2012	Carrying Amount		Estimated Fair Value
(In millions)			Level 1		Level 2		Level 3		Total
Financial assets
Notes receivable for the issuance of common stock	$	21	$	—	$	—	$	21	$	21
Mortgage loans	401		—		—		418		418
Financial liabilities
Premium deposits and annuity contracts	$	100	$	—	$	—	$	104	$	104
Short term debt	13		—		13		—		13
Long term debt	2,557		—		3,016		—		3,016

The following methods and assumptions were used to estimate the fair value of these financial assets and liabilities.

The fair values of Notes receivable for the issuance of common stock were estimated using discounted cash flows utilizing interest rates currently offered for obligations securitized with similar collateral, adjusted for specific note receivable risk.

The fair values of Mortgage loans were based on the present value of the expected future cash flows discounted at the current interest rate for origination of similar quality loans, adjusted for specific loan risk.

Premium deposits and annuity contracts were valued based on cash surrender values or estimated fair values of policyholder liabilities, net of amounts ceded related to sold business.

The Company's senior notes and debentures were valued based on observable market prices. The fair value for other debt was estimated using discounted cash flows based on current incremental borrowing rates for similar borrowing arrangements.

The carrying amounts reported on the Condensed Consolidated Balance Sheets for Cash, Short term investments not carried at fair value, Accrued investment income and certain other assets and other liabilities approximate fair value due to the short term nature of these items. These assets and liabilities are not listed in the tables above.

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Derivative Financial Instruments

3 Months Ended

Mar. 31, 2013

Summary of Derivative Instruments [Abstract]

Derivative Financial Instruments

Note D. Derivative Financial Instruments

A summary of the recognized gains (losses) related to derivative financial instruments follows.

Recognized Gains (Losses)

Three months ended March 31
(In millions)	2013		2012
Without hedge designation
Currency forwards	$	2	$	(1	)
Total without hedge designation	2		(1		)
Trading activities
Futures sold, not yet purchased	—		1
Total	$	2	$	—

Gross estimated fair values of derivative positions are presented in Other invested assets and Other liabilities on the Condensed Consolidated Balance Sheets. There would be no significant difference in the balance included in such accounts if the estimated fair values were presented net for the periods ended March 31, 2013 and December 31, 2012. The contractual or notional amounts for derivatives are used to calculate the exchange of contractual payments under the agreements and may not be representative of the potential for gain or loss on these instruments.

Derivative Financial Instruments

March 31, 2013	Contractual/ Notional Amount		Estimated Fair Value
(In millions)			Asset		(Liability)
Without hedge designation
Credit default swaps - purchased protection	$	20	$	—	$	(1	)
Currency forwards	43		1		—
Forward commitments for mortgage-backed securities	78		—		—
Equity warrants	5		—		—
Total	$	146	$	1	$	(1	)

December 31, 2012	Contractual/ Notional Amount		Estimated Fair Value
(In millions)			Asset		(Liability)
Without hedge designation
Credit default swaps - purchased protection	$	20	$	—	$	(1	)
Currency forwards	59		—		(2		)
Equity warrants	5		—		—
Total	$	84	$	—	$	(3	)

During the three months ended March 31, 2013, new derivative transactions entered into totaled $604 million in notional value while derivative termination activity totaled $542 million. This activity was primarily attributable to forward commitments for mortgage-backed securities, interest rate futures and foreign currency forwards. During the three months ended March 31, 2012, new derivative transactions entered into totaled $332 million in notional value while derivative termination activity totaled $321 million. This activity was primarily attributable to interest rate futures and foreign currency forwards.

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Claim and Claim Adjustment Expense Reserves (Tables)

3 Months Ended

Mar. 31, 2013

Claim and Claim Adjustment Expense Reserves [Abstract]

Net prior year development

Net Prior Year Development

Three months ended March 31, 2013
(In millions)	CNA Specialty			CNA Commercial			Hardy			Corporate & Other Non-Core		Total
Pretax (favorable) unfavorable net prior year claim and allocated claim adjustment expense reserve development	$	(15	)	$	(11	)	$	(1	)	$	1	$	(26	)
Pretax (favorable) unfavorable premium development	(8		)	(10		)	4			1		(13		)
Total pretax (favorable) unfavorable net prior year development	$	(23	)	$	(21	)	$	3		$	2	$	(39	)

Three months ended March 31, 2012
(In millions)	CNA Specialty			CNA Commercial			Corporate & Other Non-Core		Total
Pretax (favorable) unfavorable net prior year claim and allocated claim adjustment expense reserve development	$	(6	)	$	(14	)	$	2	$	(18	)
Pretax (favorable) unfavorable premium development	(9		)	(17		)	1		(25		)
Total pretax (favorable) unfavorable net prior year development	$	(15	)	$	(31	)	$	3	$	(43	)

Net prior year claim and allocated claim adjustment expense reserve development for CNA Specialty segment

The following table provides further detail of the net prior year claim and allocated claim adjustment expense reserve development (development) recorded for the CNA Specialty segment for the three months ended March 31, 2013 and 2012.

Three months ended March 31
(In millions)	2013			2012
Pretax (favorable) unfavorable net prior year claim and allocated claim adjustment expense reserve development:
Medical Professional Liability	$	(3	)	$	(6	)
Other Professional Liability	(1		)	4
Surety	1			1
Warranty	—			(1		)
Other	(12		)	(4		)
Total pretax (favorable) unfavorable net prior year claim and allocated claim adjustment expense reserve development	$	(15	)	$	(6	)

Net prior year claim and allocated claim adjustment expense reserve development for CNA Commercial segment

The following table provides further detail of the development recorded for the CNA Commercial segment for the three months ended March 31, 2013 and 2012.

Three months ended March 31
(In millions)	2013			2012
Pretax (favorable) unfavorable net prior year claim and allocated claim adjustment expense reserve development:
Commercial Auto	$	(5	)	$	—
General Liability	(21		)	8
Workers' Compensation	25			(19		)
Property and Other	(10		)	(3		)
Total pretax (favorable) unfavorable net prior year claim and allocated claim adjustment expense reserve development	$	(11	)	$	(14	)

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Changes in Accumulated Other Comprehensive Income (Loss) by Component

3 Months Ended

Mar. 31, 2013

Changes in Accumulated Other Comprehensive Income (Loss) [Abstract]

Changes in Accumulated Other Comprehensive Income (Loss) by Component

Note L. Changes in Accumulated Other Comprehensive Income (Loss) by Component

The table below presents the change in Accumulated other comprehensive income (loss) by component for the three months ended March 31, 2013.

Changes in Accumulated Other Comprehensive Income (Loss)

(In millions)	Net unrealized gains (losses) on investments with OTTI losses		Net unrealized gains (losses) on other investments			Pension and postretirement benefits			Cumulative foreign currency translation adjustment			Total
Balance at January 1, 2013	$	20	$	1,371		$	(721	)	$	161		$	831
Other comprehensive income (loss) before reclassifications	14		(49		)	—			(61		)	(96		)
Amounts reclassified from accumulated other comprehensive income (loss) after tax (expense) benefit of $0, $(6), $3, $0, and $(3)	—		13			(5		)	—			8
Other comprehensive income (loss) after tax (expense) benefit of $(7), $35, $(3), $0, and $25	14		(62		)	5			(61		)	(104		)
Balance at March 31, 2013	$	34	$	1,309		$	(716	)	$	100		$	727

Amounts reclassified from Accumulated other comprehensive income (loss) shown above are reported in Net income (loss) as follows:

Component of AOCI	Condensed Consolidated Statements of Operations Line Item Affected by Reclassifications
Net unrealized gains (losses) on investments with OTTI losses	Net realized investment gains (losses)
Net unrealized gains (losses) on other investments	Net realized investment gains (losses)
Pension and postretirement benefits	Other operating expenses

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Benefit Plans

3 Months Ended

Mar. 31, 2013

Compensation and Retirement Disclosure [Abstract]

Benefit Plans

Note H. Benefit Plans

The components of net periodic cost (benefit) are presented in the following table.

Net Periodic Cost (Benefit)

Three months ended March 31
(In millions)	2013			2012
Pension cost (benefit)
Service cost	$	3		$	3
Interest cost on projected benefit obligation	30			34
Expected return on plan assets	(45		)	(43		)
Amortization of net actuarial (gain) loss	12			10
Net periodic pension cost (benefit)	$	—		$	4
Postretirement cost (benefit)
Amortization of prior service credit	$	(4	)	$	(4	)
Net periodic postretirement cost (benefit)	$	(4	)	$	(4	)

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Claim and Claim Adjustment Expense Reserves

3 Months Ended

Mar. 31, 2013

Insurance Loss Reserves [Abstract]

Claim and Claim Adjustment Expense Reserves

Note F. Claim and Claim Adjustment Expense Reserves

The Company's property and casualty insurance claim and claim adjustment expense reserves represent the estimated amounts necessary to resolve all outstanding claims, including IBNR claims as of the reporting date. The Company's reserve projections are based primarily on detailed analysis of the facts in each case, the Company's experience with similar cases and various historical development patterns. Consideration is given to such historical patterns as field reserving trends and claims settlement practices, loss payments, pending levels of unpaid claims and product mix, as well as court decisions, economic conditions including inflation, and public attitudes. All of these factors can affect the estimation of claim and claim adjustment expense reserves.

Establishing claim and claim adjustment expense reserves, including claim and claim adjustment expense reserves for catastrophic events that have occurred, is an estimation process. Many factors can ultimately affect the final settlement of a claim and, therefore, the necessary reserve. Changes in the law, results of litigation, medical costs, the cost of repair materials and labor rates can all affect ultimate claim costs. In addition, time can be a critical part of reserving determinations since the longer the span between the incidence of a loss and the payment or settlement of the claim, the more variable the ultimate settlement amount can be. Accordingly, short-tail claims, such as property damage claims, tend to be more reasonably estimable than long-tail claims, such as workers' compensation, general liability and professional liability claims. Adjustments to prior year reserve estimates, if necessary, are reflected in the results of operations in the period that the need for such adjustments is determined. There can be no assurance that the Company's ultimate cost for insurance losses will not exceed current estimates.

Catastrophes are an inherent risk of the property and casualty insurance business and have contributed to material period-to-period fluctuations in the Company's results of operations and/or equity. The Company reported catastrophe losses, net of reinsurance, of $39 million and $28 million for the three months ended March 31, 2013 and 2012. Catastrophe losses in the first quarter of 2013 related primarily to U.S. storms.

Net Prior Year Development

The following tables and discussion include the net prior year development recorded for CNA Specialty, CNA Commercial, Hardy and Corporate & Other Non-Core segments.

Net Prior Year Development

Three months ended March 31, 2013
(In millions)	CNA Specialty			CNA Commercial			Hardy			Corporate & Other Non-Core		Total
Pretax (favorable) unfavorable net prior year claim and allocated claim adjustment expense reserve development	$	(15	)	$	(11	)	$	(1	)	$	1	$	(26	)
Pretax (favorable) unfavorable premium development	(8		)	(10		)	4			1		(13		)
Total pretax (favorable) unfavorable net prior year development	$	(23	)	$	(21	)	$	3		$	2	$	(39	)

Three months ended March 31, 2012
(In millions)	CNA Specialty			CNA Commercial			Corporate & Other Non-Core		Total
Pretax (favorable) unfavorable net prior year claim and allocated claim adjustment expense reserve development	$	(6	)	$	(14	)	$	2	$	(18	)
Pretax (favorable) unfavorable premium development	(9		)	(17		)	1		(25		)
Total pretax (favorable) unfavorable net prior year development	$	(15	)	$	(31	)	$	3	$	(43	)

For the three months ended March 31, 2013 and 2012, favorable premium development was recorded for CNA Commercial primarily due to premium adjustments on auditable policies arising from increased exposures.

CNA Specialty

The following table provides further detail of the net prior year claim and allocated claim adjustment expense reserve development (development) recorded for the CNA Specialty segment for the three months ended March 31, 2013 and 2012.

Three months ended March 31
(In millions)	2013			2012
Pretax (favorable) unfavorable net prior year claim and allocated claim adjustment expense reserve development:
Medical Professional Liability	$	(3	)	$	(6	)
Other Professional Liability	(1		)	4
Surety	1			1
Warranty	—			(1		)
Other	(12		)	(4		)
Total pretax (favorable) unfavorable net prior year claim and allocated claim adjustment expense reserve development	$	(15	)	$	(6	)

2013

Overall, favorable development for medical professional liability reflects favorable experience in accident years 2009 and prior. Unfavorable development was recorded for accident years 2010 and 2011 due to higher than expected large loss activity.

Other includes standard property and casualty coverages provided to CNA Specialty customers. Favorable development for other coverages was primarily due to better than expected loss emergence in property coverages in accident years 2010 and subsequent.

2012

Favorable development for medical professional liability was primarily due to reductions in the estimated frequency of large losses in accident years 2008 and prior.

CNA Commercial

The following table provides further detail of the development recorded for the CNA Commercial segment for the three months ended March 31, 2013 and 2012.

Three months ended March 31
(In millions)	2013			2012
Pretax (favorable) unfavorable net prior year claim and allocated claim adjustment expense reserve development:
Commercial Auto	$	(5	)	$	—
General Liability	(21		)	8
Workers' Compensation	25			(19		)
Property and Other	(10		)	(3		)
Total pretax (favorable) unfavorable net prior year claim and allocated claim adjustment expense reserve development	$	(11	)	$	(14	)

2013

Favorable development in the general liability coverages was primarily due to better than expected loss emergence in accident years 2002 and prior.

Unfavorable development for workers' compensation was primarily due to higher than expected large losses and increased severity in the state of California in accident year 2010.

2012

Overall, favorable development for workers' compensation reflects favorable experience in accident years 2001 and prior. Unfavorable development was recorded in accident year 2010 related to increased medical severity.

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Legal Proceedings and Contingent Liabilities

3 Months Ended

Mar. 31, 2013

Legal Proceedings and Contingent Liabilities [Abstract]

Legal Proceedings and Contingent Liabilities

Note G. Legal Proceedings and Contingent Liabilities

The Company is a party to routine litigation incidental to its business, which, based on the facts and circumstances currently known, is not material to the Condensed Consolidated Financial Statements.

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Other Intangible Assets

3 Months Ended

Mar. 31, 2013

Schedule of Other Intangible Assets [Abstract]

Other Intangible Assets

Note I. Other Intangible Assets

Other intangible assets are presented in the following table.

	March 31, 2013				December 31, 2012
(In millions)	Gross Carrying Amount		Accumulated Amortization		Gross Carrying Amount		Accumulated Amortization
Finite-lived intangible assets:
Value of business acquired	$	59	$	52	$	62	$	43
Trade name	8		1		8		—
Distribution channel	12		1		13		—
Total finite-lived intangible assets	79		54		83		43
Indefinite-lived intangible assets	69				73
Total other intangible assets	$	148	$	54	$	156	$	43

For the three months ended March 31, 2013, amortization expense of $9 million was included in Amortization of deferred acquisition costs and $3 million was included in Other operating expenses in the Statement of Operations for the Hardy segment. For the three months ended March 31, 2012, no amortization expense was recognized. The gross carrying amounts and accumulated amortization in the table above may change from period to period as a result of foreign currency translation. Estimated future amortization expense for intangible assets is $7 million for the remainder of 2013, $3 million in 2014, $1 million in 2015 and $2 million in years 2016, 2017 and 2018.

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Investments (Summary of fixed maturity and equity securities) (Details) (USD $) In Millions, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Cost or Amortized Cost	$ 38,710	$ 38,398
Gross Unrealized Gains	4,448	4,639
Gross Unrealized Losses	158	155
Estimated Fair Value	43,000	42,882
Corporate and other bonds [Member]
Cost or Amortized Cost	19,747	19,530
Gross Unrealized Gains	2,562	2,698
Gross Unrealized Losses	18	21
Estimated Fair Value	22,291	22,207
Unrealized OTTI Losses (Gains)
States, municipalities and political subdivisions [Member]
Cost or Amortized Cost	9,599	9,372
Gross Unrealized Gains	1,408	1,455
Gross Unrealized Losses	59	44
Estimated Fair Value	10,948	10,783
Unrealized OTTI Losses (Gains)
Residential mortgage-backed [Member]
Cost or Amortized Cost	5,518	5,745
Gross Unrealized Gains	235	246
Gross Unrealized Losses	70	71
Estimated Fair Value	5,683	5,920
Unrealized OTTI Losses (Gains)	(49)	(28)
Commercial mortgage-backed [Member]
Cost or Amortized Cost	1,853	1,692
Gross Unrealized Gains	147	147
Gross Unrealized Losses	10	17
Estimated Fair Value	1,990	1,822
Unrealized OTTI Losses (Gains)	(3)	(3)
Other asset-backed [Member]
Cost or Amortized Cost	932	929
Gross Unrealized Gains	23	23
Gross Unrealized Losses
Estimated Fair Value	955	952
Unrealized OTTI Losses (Gains)
Total asset-backed [Member]
Cost or Amortized Cost	8,303	8,366
Gross Unrealized Gains	405	416
Gross Unrealized Losses	80	88
Estimated Fair Value	8,628	8,694
Unrealized OTTI Losses (Gains)	(52)	(31)
U.S. Treasury and obligations of government-sponsored enterprises [Member]
Cost or Amortized Cost	170	172
Gross Unrealized Gains	11	11
Gross Unrealized Losses		1
Estimated Fair Value	181	182
Unrealized OTTI Losses (Gains)
Foreign government [Member]
Cost or Amortized Cost	528	588
Gross Unrealized Gains	24	25
Gross Unrealized Losses
Estimated Fair Value	552	613
Unrealized OTTI Losses (Gains)
Redeemable preferred stock [Member]
Cost or Amortized Cost	123	113
Gross Unrealized Gains	14	13
Gross Unrealized Losses	1	1
Estimated Fair Value	136	125
Unrealized OTTI Losses (Gains)
Total fixed maturity securities available-for-sale [Member]
Cost or Amortized Cost	38,470	38,141
Gross Unrealized Gains	4,424	4,618
Gross Unrealized Losses	158	155
Estimated Fair Value	42,736	42,604
Unrealized OTTI Losses (Gains)	(52)	(31)
Total fixed maturity securities trading [Member]
Cost or Amortized Cost, Trading Securities	63	29
Gross Unrealized Gains, Trading Securities
Gross Unrealized Losses, Trading Securities
Estimated Fair Value, Trading Securities	63	29
Common stock [Member]
Cost or Amortized Cost	38	38
Gross Unrealized Gains	17	14
Gross Unrealized Losses
Estimated Fair Value	55	52
Preferred stock [Member]
Cost or Amortized Cost	139	190
Gross Unrealized Gains	7	7
Gross Unrealized Losses
Estimated Fair Value	146	197
Total equity securities available-for-sale [Member]
Cost or Amortized Cost	177	228
Gross Unrealized Gains	24	21
Gross Unrealized Losses
Estimated Fair Value	$ 201	$ 249

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Other Intangible Assets Schedule of Other Intangible Assets (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Amortization of deferred acquisition costs	$ 328	$ 295
Amortization of Intangible Assets
Finite-Lived Intangible Assets, Amortization Expense, Remainder of Fiscal Year	7
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months	3
Finite-Lived Intangible Assets, Amortization Expense, Year Two	1
Finite-Lived Intangible Assets, Amortization Expense, Year Three	2
Finite-Lived Intangible Assets, Amortization Expense, Year Four	2
Finite-Lived Intangible Assets, Amortization Expense, Year Five	2
Hardy [Member]
Amortization of deferred acquisition costs	21
Other Intangible Assets [Member] | Hardy [Member]
Amortization of deferred acquisition costs	9
Amortization expense included in other operating expenses	$ 3

XML

Derivative Financial Instruments (Tables)

3 Months Ended

Mar. 31, 2013

Summary of Derivative Instruments [Abstract]

Summary of recognized gains (losses) related to derivative financial instruments

Recognized Gains (Losses)

Three months ended March 31
(In millions)	2013		2012
Without hedge designation
Currency forwards	$	2	$	(1	)
Total without hedge designation	2		(1		)
Trading activities
Futures sold, not yet purchased	—		1
Total	$	2	$	—

Summary of aggregate contractual or notional amounts and gross estimated fair values related to derivative financial instruments

Derivative Financial Instruments

March 31, 2013	Contractual/ Notional Amount		Estimated Fair Value
(In millions)			Asset		(Liability)
Without hedge designation
Credit default swaps - purchased protection	$	20	$	—	$	(1	)
Currency forwards	43		1		—
Forward commitments for mortgage-backed securities	78		—		—
Equity warrants	5		—		—
Total	$	146	$	1	$	(1	)

December 31, 2012	Contractual/ Notional Amount		Estimated Fair Value
(In millions)			Asset		(Liability)
Without hedge designation
Credit default swaps - purchased protection	$	20	$	—	$	(1	)
Currency forwards	59		—		(2		)
Equity warrants	5		—		—
Total	$	84	$	—	$	(3	)

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Business Segments (Tables)

3 Months Ended

Mar. 31, 2013

Business Segments [Abstract]

Significant components of the Company's continuing operations and selected balance sheet items

Three months ended March 31, 2013	CNA Specialty			CNA Commercial			Hardy			Life & Group Non-Core			Corporate & Other Non-Core
(In millions)																Eliminations			Total
Operating revenues
Net earned premiums	$	723		$	837		$	64		$	141		$	—		$	(1	)	$	1,764
Net investment income	170			250			1			204			8			—			633
Other revenues	60			10			1			4			3			—			78
Total operating revenues	953			1,097			66			349			11			(1		)	2,475
Claims, Benefits and Expenses
Net incurred claims and benefits	465			600			31			325			4			—			1,425
Policyholders’ dividends	1			2			—			1			—			—			4
Amortization of deferred acquisition costs	150			149			21			8			—			—			328
Other insurance related expenses	71			143			16			33			—			(1		)	262
Other expenses	54			9			7			5			46			—			121
Total claims, benefits and expenses	741			903			75			372			50			(1		)	2,140
Operating income (loss) before income tax	212			194			(9		)	(23		)	(39		)	—			335
Income tax (expense) benefit on operating income (loss)	(72		)	(69		)	1			23			13			—			(104		)
Net operating income (loss)	140			125			(8		)	—			(26		)	—			231
Net realized investment gains (losses)	3			4			1			14			6			—			28
Income tax (expense) benefit on net realized investment gains (losses)	(1		)	(1		)	—			(5		)	(2		)	—			(9		)
Net realized investment gains (losses), after-tax	2			3			1			9			4			—			19
Net income (loss)	$	142		$	128		$	(7	)	$	9		$	(22	)	$	—		$	250

March 31, 2013
(In millions)
Reinsurance receivables	$	662	$	1,170	$	251	$	1,273	$	2,781	$	—		$	6,137
Insurance receivables	$	707	$	1,168	$	181	$	13	$	3	$	—		$	2,072
Deferred acquisition costs	$	313	$	287	$	41	$	—	$	—	$	—		$	641
Goodwill	$	117	$	—	$	34	$	—	$	—	$	—		$	151
Insurance reserves
Claim and claim adjustment expenses	$	6,807	$	11,105	$	470	$	3,031	$	3,098	$	—		$	24,511
Unearned premiums	1,770		1,629		218		143		—		(1		)	3,759
Future policy benefits	—		—		—		11,469		—		—			11,469
Policyholders’ funds	9		14		—		131		—		—			154

Three months ended March 31, 2012	CNA Specialty			CNA Commercial			Hardy	Life & Group Non-Core			Corporate & Other Non-Core
(In millions)														Eliminations		Total
Operating revenues
Net earned premiums	$	706		$	803			$	141		$	(1	)	$	—	$	1,649
Net investment income	175			265				198			10			—		648
Other revenues	56			9				(2		)	5			—		68
Total operating revenues	937			1,077				337			14			—		2,365
Claims, Benefits and Expenses
Net incurred claims and benefits	468			567				336			7			—		1,378
Policyholders’ dividends	(2		)	3				2			—			—		3
Amortization of deferred acquisition costs	148			139				8			—			—		295
Other insurance related expenses	72			144				35			(1		)	—		250
Other expenses	50			7				6			48			—		111
Total claims, benefits and expenses	736			860				387			54			—		2,037
Operating income (loss) before income tax	201			217				(50		)	(40		)	—		328
Income tax (expense) benefit on operating income (loss)	(69		)	(78		)		31			14			—		(102		)
Net operating income (loss)	132			139				(19		)	(26		)	—		226
Net realized investment gains (losses)	8			11				13			4			—		36
Income tax (expense) benefit on net realized investment gains (losses)	(2		)	(4		)		(5		)	(1		)	—		(12		)
Net realized investment gains (losses), after-tax	6			7				8			3			—		24
Net income (loss)	$	138		$	146			$	(11	)	$	(23	)	$	—	$	250

December 31, 2012
(In millions)
Reinsurance receivables	$	665	$	1,155	$	294	$	1,273	$	2,844	$	—	$	6,231
Insurance receivables	$	673	$	1,116	$	181	$	9	$	4	$	—	$	1,983
Deferred acquisition costs	$	300	$	269	$	29	$	—	$	—	$	—	$	598
Goodwill	$	117	$	—	$	37	$	—	$	—	$	—	$	154
Insurance reserves
Claim and claim adjustment expenses	$	6,748	$	11,326	$	521	$	3,006	$	3,162	$	—	$	24,763
Unearned premiums	1,685		1,569		222		134		—		—		3,610
Future policy benefits	—		—		—		11,475		—		—		11,475
Policyholders’ funds	8		15		—		134		—		—		157

Revenues by line of business

Revenues by Line of Business

Three months ended March 31
(In millions)	2013			2012
CNA Specialty
International	$	59		$	57
Professional & Management Liability	700			694
Surety	116			119
Warranty & Alternative Risks	81			75
CNA Specialty revenues	956			945
CNA Commercial
Commercial Insurance	826			835
International	93			91
Small Business	182			162
CNA Commercial revenues	1,101			1,088
Hardy revenues	67
Life & Group Non-Core
Health	298			291
Life & Annuity	61			60
Other	4			(1		)
Life & Group Non-Core revenues	363			350
Corporate & Other Non-Core revenues	17			18
Eliminations	(1		)	—
Total revenues	$	2,503		$	2,401

XML

Claim and Claim Adjustment Expense Reserves (Net prior year claim and allocated claim adjustment expense reserve development for CNA Commercial segment) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Pretax (favorable) unfavorable net prior year claim and allocated claim adjustment expense reserve development, excluding Life & Group	$ (26)	$ (18)
CNA Commercial [Member]
Commercial Auto	(5)
General Liability	(21)	8
Workers' Compensation	25	(19)
Property and Other	(10)	(3)
Pretax (favorable) unfavorable net prior year claim and allocated claim adjustment expense reserve development, excluding Life & Group	$ (11)	$ (14)

XML

Fair Value (Narrative) (Details) (USD $)	Mar. 31, 2013	Mar. 31, 2012
Fair Value Disclosures [Abstract]
Fair Value, Assets, Level 1 to Level 2 Transfers, Amount
Fair Value, Assets, Level 2 to Level 1 Transfers, Amount

XML

Condensed Consolidated Balance Sheet (Unaudited) Parentheticals (USD $) In Millions, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Fixed maturities securities at amortized cost	$ 38,533	$ 38,170
Equity securities at cost	177	228
Allowance for uncollectible reinsurance receivables	71	73
Allowance for uncollectible insurance receivables	98	101
Accumulated depreciation on property and equipment	406	404
Other assets receivable from Loews Corporation		4
Other liabilities payable to Loews Corporation	$ 1
Common stock, par value	$ 2.50	$ 2.50
Common stock, shares authorized	500,000,000	500,000,000
Common stock, shares issued	273,040,243	273,040,243
Common stock, shares outstanding	269,681,511	269,399,390
Treasury stock, shares	3,358,732	3,640,853

XML

Investments

3 Months Ended

Mar. 31, 2013

Investments [Abstract]

Investments

Note C. Investments

The significant components of net investment income are presented in the following table.

Net Investment Income

Three months ended March 31
(In millions)	2013			2012
Fixed maturity securities	$	499		$	516
Short term investments	1			1
Limited partnership investments	131			130
Equity securities	3			4
Mortgage loans	5			3
Trading portfolio (a)	5			7
Other	1			1
Gross investment income	645			662
Investment expense	(12		)	(14		)
Net investment income	$	633		$	648

___________________

(a) There were $1 million of net unrealized gains for the three months ended March 31, 2013 and no net unrealized gains (losses) for the three months ended March 31, 2012 related to changes in fair value of trading securities still held included in net investment income.

Net realized investment gains (losses) are presented in the following table.

Net Realized Investment Gains (Losses)

Three months ended March 31
(In millions)	2013			2012
Net realized investment gains (losses):
Fixed maturity securities:
Gross realized gains	$	44		$	69
Gross realized losses	(12		)	(39		)
Net realized investment gains (losses) on fixed maturity securities	32			30
Equity securities:
Gross realized gains	2			3
Gross realized losses	(15		)	(2		)
Net realized investment gains (losses) on equity securities	(13		)	1
Derivatives	2			(1		)
Short term investments and other	7			6
Net realized investment gains (losses)	$	28		$	36

The components of net other-than-temporary impairment (OTTI) losses recognized in earnings by asset type are summarized in the following table.

Three months ended March 31
(In millions)	2013		2012
Fixed maturity securities available-for-sale:
Corporate and other bonds	$	3	$	10
Asset-backed - residential mortgage-backed	—		14
U.S. Treasury and obligations of government-sponsored enterprises	—		1
Total fixed maturity securities available-for-sale	3		25
Equity securities available-for-sale:
Common stock	—		2
Preferred stock	15		—
Total equity securities available-for-sale	15		2
Net OTTI losses recognized in earnings	$	18	$	27

A security is impaired if the fair value of the security is less than its cost adjusted for accretion, amortization and previously recorded OTTI losses, otherwise defined as an unrealized loss. When a security is impaired, the impairment is evaluated to determine whether it is temporary or other-than-temporary.

Significant judgment is required in the determination of whether an OTTI loss has occurred for a security. The Company follows a consistent and systematic process for determining and recording an OTTI loss. The Company has established a committee responsible for the OTTI process. This committee, referred to as the Impairment Committee, is made up of three officers appointed by the Company’s Chief Financial Officer (CFO). The Impairment Committee is responsible for evaluating all securities in an unrealized loss position on at least a quarterly basis.

The Impairment Committee’s assessment of whether an OTTI loss has occurred incorporates both quantitative and qualitative information. Fixed maturity securities that the Company intends to sell, or it more likely than not will be required to sell before recovery of amortized cost, are considered to be other-than-temporarily impaired and the entire difference between the amortized cost basis and fair value of the security is recognized as an OTTI loss in earnings. The remaining fixed maturity securities in an unrealized loss position are evaluated to determine if a credit loss exists. The factors considered by the Impairment Committee include (a) the financial condition and near term prospects of the issuer, (b) whether the debtor is current on interest and principal payments, (c) credit ratings of the securities and (d) general market conditions and industry or sector specific outlook. The Company also considers results and analysis of cash flow modeling for asset-backed securities, and when appropriate, other fixed maturity securities. The focus of the analysis for asset-backed securities is on assessing the sufficiency and quality of underlying collateral and timing of cash flows based on scenario tests. If the present value of the modeled expected cash flows equals or exceeds the amortized cost of a security, no credit loss is judged to exist and the asset-backed security is deemed to be temporarily impaired. If the present value of the expected cash flows is less than amortized cost, the security is judged to be other-than-temporarily impaired for credit reasons and that shortfall, referred to as the credit component, is recognized as an OTTI loss in earnings. The difference between the adjusted amortized cost basis and fair value, referred to as the non-credit component, is recognized as OTTI in Other comprehensive income (loss). In subsequent reporting periods, a change in intent to sell or further credit impairment on a security whose fair value has not deteriorated will cause the non-credit component originally recorded as OTTI in Other comprehensive income (loss) to be recognized as an OTTI loss in earnings.

The Company performs the discounted cash flow analysis using stressed scenarios to determine future expectations regarding recoverability. For asset-backed securities, significant assumptions enter into these cash flow projections including delinquency rates, probable risk of default, loss severity upon a default, over collateralization and interest coverage triggers, and credit support from lower level tranches.

The Company applies the same impairment model as described above for the majority of non-redeemable preferred stock securities on the basis that these securities possess characteristics similar to debt securities and that the issuers maintain their ability to pay dividends. For all other equity securities, in determining whether the security is other-than-temporarily impaired, the Impairment Committee considers a number of factors including, but not limited to: (a) the length of time and the extent to which the fair value has been less than amortized cost, (b) the financial condition and near term prospects of the issuer, (c) the intent and ability of the Company to retain its investment for a period of time sufficient to allow for an anticipated recovery in value and (d) general market conditions and industry or sector specific outlook.

The following tables provide a summary of fixed maturity and equity securities.

Summary of Fixed Maturity and Equity Securities

March 31, 2013	Cost or Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value		Unrealized OTTI Losses (Gains)
(In millions)
Fixed maturity securities available-for-sale:
Corporate and other bonds	$	19,747	$	2,562	$	18	$	22,291	$	—
States, municipalities and political subdivisions	9,599		1,408		59		10,948		—
Asset-backed:
Residential mortgage-backed	5,518		235		70		5,683		(49		)
Commercial mortgage-backed	1,853		147		10		1,990		(3		)
Other asset-backed	932		23		—		955		—
Total asset-backed	8,303		405		80		8,628		(52		)
U.S. Treasury and obligations of government-sponsored enterprises	170		11		—		181		—
Foreign government	528		24		—		552		—
Redeemable preferred stock	123		14		1		136		—
Total fixed maturity securities available-for-sale	38,470		4,424		158		42,736		$	(52	)
Total fixed maturity securities trading	63		—		—		63
Equity securities available-for-sale:
Common stock	38		17		—		55
Preferred stock	139		7		—		146
Total equity securities available-for-sale	177		24		—		201
Total	$	38,710	$	4,448	$	158	$	43,000

December 31, 2012	Cost or Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value		Unrealized OTTI Losses (Gains)
(In millions)
Fixed maturity securities available-for-sale:
Corporate and other bonds	$	19,530	$	2,698	$	21	$	22,207	$	—
States, municipalities and political subdivisions	9,372		1,455		44		10,783		—
Asset-backed:
Residential mortgage-backed	5,745		246		71		5,920		(28		)
Commercial mortgage-backed	1,692		147		17		1,822		(3		)
Other asset-backed	929		23		—		952		—
Total asset-backed	8,366		416		88		8,694		(31		)
U.S. Treasury and obligations of government-sponsored enterprises	172		11		1		182		—
Foreign government	588		25		—		613		—
Redeemable preferred stock	113		13		1		125		—
Total fixed maturity securities available-for-sale	38,141		4,618		155		42,604		$	(31	)
Total fixed maturity securities trading	29		—		—		29
Equity securities available-for-sale:
Common stock	38		14		—		52
Preferred stock	190		7		—		197
Total equity securities available-for-sale	228		21		—		249
Total	$	38,398	$	4,639	$	155	$	42,882

The net unrealized gains on investments included in the tables above are recorded as a component of Accumulated other comprehensive income (AOCI). When presented in AOCI, these amounts are net of tax and any required Shadow Adjustments. At March 31, 2013 and December 31, 2012, the net unrealized gains on investments included in AOCI were net of after-tax Shadow Adjustments of $1,438 million and $1,511 million. To the extent that unrealized gains on fixed income securities supporting certain products within the Life & Group Non-Core segment would result in a premium deficiency if realized, a related decrease in Deferred acquisition costs and/or increase in Insurance reserves are recorded, net of tax, as a reduction of net unrealized gains through Other comprehensive income (loss) (Shadow Adjustments).

The following tables summarize the estimated fair value and gross unrealized losses of available-for-sale fixed maturity and equity securities in a gross unrealized loss position by the length of time in which the securities have continuously been in that position.

Securities in a Gross Unrealized Loss Position

	Less than 12 Months				12 Months or Longer				Total
March 31, 2013	Estimated Fair Value		Gross Unrealized Losses		Estimated Fair Value		Gross Unrealized Losses		Estimated Fair Value		Gross Unrealized Losses
(In millions)
Fixed maturity securities available-for-sale:
Corporate and other bonds	$	951	$	13	$	50	$	5	$	1,001	$	18
States, municipalities and political subdivisions	683		16		121		43		804		59
Asset-backed:
Residential mortgage-backed	920		19		347		51		1,267		70
Commercial mortgage-backed	155		2		141		8		296		10
Total asset-backed	1,075		21		488		59		1,563		80
Redeemable preferred stock	34		1		—		—		34		1
Total	$	2,743	$	51	$	659	$	107	$	3,402	$	158

	Less than 12 Months				12 Months or Longer				Total
December 31, 2012	Estimated Fair Value		Gross Unrealized Losses		Estimated Fair Value		Gross Unrealized Losses		Estimated Fair Value		Gross Unrealized Losses
(In millions)
Fixed maturity securities available-for-sale:
Corporate and other bonds	$	846	$	13	$	108	$	8	$	954	$	21
States, municipalities and political subdivisions	254		5		165		39		419		44
Asset-backed:
Residential mortgage-backed	583		5		452		66		1,035		71
Commercial mortgage-backed	85		2		141		15		226		17
Total asset-backed	668		7		593		81		1,261		88
U.S. Treasury and obligations of government-sponsored enterprises	23		1		—		—		23		1
Redeemable preferred stock	28		1		—		—		28		1
Total	$	1,819	$	27	$	866	$	128	$	2,685	$	155

The amount of pretax net realized gains on available-for-sale securities reclassified out of AOCI into earnings was $19 million and $32 million for the three months ended March 31, 2013 and 2012.

Based on current facts and circumstances, the Company believes the unrealized losses presented in the March 31, 2013 Securities in a Gross Unrealized Loss Position table above, are primarily attributable to broader economic conditions, changes in interest rates and credit spreads, market illiquidity and other market factors, but are not indicative of the ultimate collectibility of the current amortized cost of the securities. The Company has no current intent to sell these securities, nor is it more likely than not that it will be required to sell prior to recovery of amortized cost; accordingly, the Company has determined that there are no additional OTTI losses to be recorded at March 31, 2013.

The following table summarizes the activity for the three months ended March 31, 2013 and 2012 related to the pretax credit loss component reflected in Retained earnings on fixed maturity securities still held at March 31, 2013 and 2012 for which a portion of an OTTI loss was recognized in Other comprehensive income (loss).

Three months ended March 31
(In millions)	2013			2012
Beginning balance of credit losses on fixed maturity securities	$	95		$	92
Additional credit losses for securities for which an OTTI loss was previously recognized	—			11
Credit losses for securities for which an OTTI loss was not previously recognized	—			1
Reductions for securities sold during the period	(3		)	(4		)
Ending balance of credit losses on fixed maturity securities	$	92		$	100

Contractual Maturity

The following table summarizes available-for-sale fixed maturity securities by contractual maturity at March 31, 2013 and December 31, 2012. Actual maturities may differ from contractual maturities because certain securities may be called or prepaid with or without call or prepayment penalties. Securities not due at a single date are allocated based on weighted average life.

Contractual Maturity

	March 31, 2013				December 31, 2012
(In millions)	Cost or Amortized Cost		Estimated Fair Value		Cost or Amortized Cost		Estimated Fair Value
Due in one year or less	$	1,783	$	1,819	$	1,648	$	1,665
Due after one year through five years	12,916		13,731		13,603		14,442
Due after five years through ten years	9,430		10,267		8,726		9,555
Due after ten years	14,341		16,919		14,164		16,942
Total	$	38,470	$	42,736	$	38,141	$	42,604

Investment Commitments

As of March 31, 2013, the Company had committed approximately $247 million to future capital calls from various third-party limited partnership investments in exchange for an ownership interest in the related partnerships.

As of March 31, 2013, the Company had mortgage loan commitments of $29 million representing signed loan applications received and accepted.

The Company invests in various privately placed debt securities, including bank loans, as part of its overall investment strategy and has committed to additional future purchases, sales and funding. As of March 31, 2013, the Company had commitments to purchase or fund additional amounts of $167 million and sell $210 million under the terms of such securities.

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Changes in Accumulated Other Comprehensive Income (Loss) by Component (Tables)

3 Months Ended

Mar. 31, 2013

Changes in Accumulated Other Comprehensive Income (Loss) by Component [Abstract]

Changes in Accumulated Other Comprehensive Income (Loss) by Component

Changes in Accumulated Other Comprehensive Income (Loss)

(In millions)	Net unrealized gains (losses) on investments with OTTI losses		Net unrealized gains (losses) on other investments			Pension and postretirement benefits			Cumulative foreign currency translation adjustment			Total
Balance at January 1, 2013	$	20	$	1,371		$	(721	)	$	161		$	831
Other comprehensive income (loss) before reclassifications	14		(49		)	—			(61		)	(96		)
Amounts reclassified from accumulated other comprehensive income (loss) after tax (expense) benefit of $0, $(6), $3, $0, and $(3)	—		13			(5		)	—			8
Other comprehensive income (loss) after tax (expense) benefit of $(7), $35, $(3), $0, and $25	14		(62		)	5			(61		)	(104		)
Balance at March 31, 2013	$	34	$	1,309		$	(716	)	$	100		$	727

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Derivative Financial Instruments (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Derivative transactions entered into	$ 604	$ 332
Derivative transactions terminated	$ 542	$ 321

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Investments (Tables)

3 Months Ended

Mar. 31, 2013

Investments [Abstract]

Net investment income

Net Investment Income

Three months ended March 31
(In millions)	2013			2012
Fixed maturity securities	$	499		$	516
Short term investments	1			1
Limited partnership investments	131			130
Equity securities	3			4
Mortgage loans	5			3
Trading portfolio (a)	5			7
Other	1			1
Gross investment income	645			662
Investment expense	(12		)	(14		)
Net investment income	$	633		$	648

___________________

(a) There were $1 million of net unrealized gains for the three months ended March 31, 2013 and no net unrealized gains (losses) for the three months ended March 31, 2012 related to changes in fair value of trading securities still held included in net investment income.

Net realized investment gains (losses)

Net Realized Investment Gains (Losses)

Three months ended March 31
(In millions)	2013			2012
Net realized investment gains (losses):
Fixed maturity securities:
Gross realized gains	$	44		$	69
Gross realized losses	(12		)	(39		)
Net realized investment gains (losses) on fixed maturity securities	32			30
Equity securities:
Gross realized gains	2			3
Gross realized losses	(15		)	(2		)
Net realized investment gains (losses) on equity securities	(13		)	1
Derivatives	2			(1		)
Short term investments and other	7			6
Net realized investment gains (losses)	$	28		$	36

Components of other-than-temporary impairment losses recognized in earnings

The components of net other-than-temporary impairment (OTTI) losses recognized in earnings by asset type are summarized in the following table.

Three months ended March 31
(In millions)	2013		2012
Fixed maturity securities available-for-sale:
Corporate and other bonds	$	3	$	10
Asset-backed - residential mortgage-backed	—		14
U.S. Treasury and obligations of government-sponsored enterprises	—		1
Total fixed maturity securities available-for-sale	3		25
Equity securities available-for-sale:
Common stock	—		2
Preferred stock	15		—
Total equity securities available-for-sale	15		2
Net OTTI losses recognized in earnings	$	18	$	27

Summary of fixed maturity and equity securities

Summary of Fixed Maturity and Equity Securities

March 31, 2013	Cost or Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value		Unrealized OTTI Losses (Gains)
(In millions)
Fixed maturity securities available-for-sale:
Corporate and other bonds	$	19,747	$	2,562	$	18	$	22,291	$	—
States, municipalities and political subdivisions	9,599		1,408		59		10,948		—
Asset-backed:
Residential mortgage-backed	5,518		235		70		5,683		(49		)
Commercial mortgage-backed	1,853		147		10		1,990		(3		)
Other asset-backed	932		23		—		955		—
Total asset-backed	8,303		405		80		8,628		(52		)
U.S. Treasury and obligations of government-sponsored enterprises	170		11		—		181		—
Foreign government	528		24		—		552		—
Redeemable preferred stock	123		14		1		136		—
Total fixed maturity securities available-for-sale	38,470		4,424		158		42,736		$	(52	)
Total fixed maturity securities trading	63		—		—		63
Equity securities available-for-sale:
Common stock	38		17		—		55
Preferred stock	139		7		—		146
Total equity securities available-for-sale	177		24		—		201
Total	$	38,710	$	4,448	$	158	$	43,000

December 31, 2012	Cost or Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value		Unrealized OTTI Losses (Gains)
(In millions)
Fixed maturity securities available-for-sale:
Corporate and other bonds	$	19,530	$	2,698	$	21	$	22,207	$	—
States, municipalities and political subdivisions	9,372		1,455		44		10,783		—
Asset-backed:
Residential mortgage-backed	5,745		246		71		5,920		(28		)
Commercial mortgage-backed	1,692		147		17		1,822		(3		)
Other asset-backed	929		23		—		952		—
Total asset-backed	8,366		416		88		8,694		(31		)
U.S. Treasury and obligations of government-sponsored enterprises	172		11		1		182		—
Foreign government	588		25		—		613		—
Redeemable preferred stock	113		13		1		125		—
Total fixed maturity securities available-for-sale	38,141		4,618		155		42,604		$	(31	)
Total fixed maturity securities trading	29		—		—		29
Equity securities available-for-sale:
Common stock	38		14		—		52
Preferred stock	190		7		—		197
Total equity securities available-for-sale	228		21		—		249
Total	$	38,398	$	4,639	$	155	$	42,882

Securities in a gross unrealized loss position

Securities in a Gross Unrealized Loss Position

	Less than 12 Months				12 Months or Longer				Total
March 31, 2013	Estimated Fair Value		Gross Unrealized Losses		Estimated Fair Value		Gross Unrealized Losses		Estimated Fair Value		Gross Unrealized Losses
(In millions)
Fixed maturity securities available-for-sale:
Corporate and other bonds	$	951	$	13	$	50	$	5	$	1,001	$	18
States, municipalities and political subdivisions	683		16		121		43		804		59
Asset-backed:
Residential mortgage-backed	920		19		347		51		1,267		70
Commercial mortgage-backed	155		2		141		8		296		10
Total asset-backed	1,075		21		488		59		1,563		80
Redeemable preferred stock	34		1		—		—		34		1
Total	$	2,743	$	51	$	659	$	107	$	3,402	$	158

	Less than 12 Months				12 Months or Longer				Total
December 31, 2012	Estimated Fair Value		Gross Unrealized Losses		Estimated Fair Value		Gross Unrealized Losses		Estimated Fair Value		Gross Unrealized Losses
(In millions)
Fixed maturity securities available-for-sale:
Corporate and other bonds	$	846	$	13	$	108	$	8	$	954	$	21
States, municipalities and political subdivisions	254		5		165		39		419		44
Asset-backed:
Residential mortgage-backed	583		5		452		66		1,035		71
Commercial mortgage-backed	85		2		141		15		226		17
Total asset-backed	668		7		593		81		1,261		88
U.S. Treasury and obligations of government-sponsored enterprises	23		1		—		—		23		1
Redeemable preferred stock	28		1		—		—		28		1
Total	$	1,819	$	27	$	866	$	128	$	2,685	$	155

Activity related to the pretax fixed maturity credit loss component reflected within retained earnings for securities still held for which a portion of an OTTI loss was recognized in OCI

Three months ended March 31
(In millions)	2013			2012
Beginning balance of credit losses on fixed maturity securities	$	95		$	92
Additional credit losses for securities for which an OTTI loss was previously recognized	—			11
Credit losses for securities for which an OTTI loss was not previously recognized	—			1
Reductions for securities sold during the period	(3		)	(4		)
Ending balance of credit losses on fixed maturity securities	$	92		$	100

Contractual maturity

Contractual Maturity

	March 31, 2013				December 31, 2012
(In millions)	Cost or Amortized Cost		Estimated Fair Value		Cost or Amortized Cost		Estimated Fair Value
Due in one year or less	$	1,783	$	1,819	$	1,648	$	1,665
Due after one year through five years	12,916		13,731		13,603		14,442
Due after five years through ten years	9,430		10,267		8,726		9,555
Due after ten years	14,341		16,919		14,164		16,942
Total	$	38,470	$	42,736	$	38,141	$	42,604