The Travelers Companies, Inc. (TRV) 10-Q 21 Apr 15 2015 Q1 Quarterly report Financial data

Document_and_Entity_Informatio

Document and Entity Information	3 Months Ended
	Mar. 31, 2015	Apr. 17, 2015
Document and Entity Information
Registrant name	Travelers Companies, Inc.
Central index key	86312
Document type	10-Q
Document period end date	31-Mar-15
Amendment flag	FALSE
Current fiscal year end date	-19
Well-known seasoned issuer	Yes
Voluntary filers	No
Current reporting status	Yes
Filer category	Large Accelerated Filer
Common stock shares outstanding		318,698,313
Document fiscal year focus	2015
Document fiscal period focus	Q1

Consolidated_Statement_of_Inco

Consolidated Statement of Income (Unaudited) (USD $)	3 Months Ended
In Millions, except Per Share data, unless otherwise specified	Mar. 31, 2015		Mar. 31, 2014
Revenues
Premiums	$5,888		$5,823
Net investment income	592		736
Fee income	111		107
Net realized investment gains	10	[1]	1	[1]
Other revenues	25		41
Total revenues	6,626		6,708
Claims and expenses
Claims and claim adjustment expenses	3,431		3,315
Amortization of deferred acquisition costs	963		950
General and administrative expenses	992		881
Interest expense	92		92
Total claims and expenses	5,478		5,238
Income before income taxes	1,148		1,470
Income tax expense	315		418
Net income	$833		$1,052
Net income per share
Basic	$2.58		$2.98
Diluted	$2.55		$2.95
Weighted average number of common shares outstanding
Basic	320.8		350.9
Diluted	324.5		354.6
[1]	Total other-than-temporary impairment (OTTI) losses were $(4) million and $(7) million for the three months ended March 31, 2015 and 2014, respectively. Of total OTTI, credit losses of $(3) million and $(9) million for the three months ended March 31, 2015 and 2014, respectively, were recognized in net realized investment gains. In addition, unrealized gains (losses) from other changes in total OTTI of $(1) million and $2 million for the three months ended March 31, 2015 and 2014, respectively, were recognized in other comprehensive income (loss) as part of changes in net unrealized gains on investment securities having credit losses recognized in the consolidated statement of income.

Consolidated_Statement_of_Inco1

Consolidated Statement of Income Parentheticals (Unaudited) (USD $)	3 Months Ended
In Millions, unless otherwise specified	Mar. 31, 2015	Mar. 31, 2014
Consolidated Statement of Income (Unaudited)
Total other-than-temporary impairment losses	($4)	($7)
Other-than-temporary impairment, credit losses recognized in net realized investment gains	-3	-9
Unrealized gains (losses) from other changes in total other-than-temporary impairments recognized in other comprehensive income (loss) as part of changes in net unrealized gains on investment securities having credit losses recognized in the consolidated statement of income	($1)	$2

Consolidated_Statement_of_Comp

Consolidated Statement of Comprehensive Income (Unaudited) (USD $)	3 Months Ended
In Millions, unless otherwise specified	Mar. 31, 2015	Mar. 31, 2014
Consolidated Statement of Comprehensive Income (Unaudited)
Net income	$833	$1,052
Other comprehensive income (loss):
Changes in net unrealized gains on investment securities having no credit losses recognized in the consolidated statement of income	169	537
Changes in net unrealized gains on investment securities having credit losses recognized in the consolidated statement of income	-5	2
Net changes in benefit plan assets and obligations	24	15
Net changes in unrealized foreign currency translation	-274	-43
Other comprehensive income (loss) before income taxes	-86	511
Income tax expense	25	194
Other comprehensive income (loss), net of taxes	-111	317
Comprehensive income	$722	$1,369

Consolidated_Balance_Sheet_Una

Consolidated Balance Sheet (Unaudited at March 31, 2015) (USD $)	Mar. 31, 2015	Dec. 31, 2014	Mar. 31, 2014	Dec. 31, 2013
In Millions, unless otherwise specified
Assets
Fixed maturities, available for sale, at fair value (amortized cost $59,916 and $60,801)	$62,769	$63,474
Equity securities, available for sale, at fair value (cost $563 and $579)	866	899
Real estate investments	929	938
Short-term securities	4,490	4,364
Other investments	3,565	3,586
Total investments	72,619	73,261
Cash	308	374	260	294
Investment income accrued	628	685
Premiums receivable	6,528	6,298
Reinsurance recoverables	9,142	9,260
Ceded unearned premiums	830	678
Deferred acquisition costs	1,847	1,835
Deferred taxes		33
Contractholder receivables	4,396	4,362
Goodwill	3,590	3,611
Other intangible assets	292	304
Other assets	2,511	2,377
Total assets	102,691	103,078
Liabilities
Claims and claim adjustment expense reserves	48,994	49,850
Unearned premium reserves	11,954	11,839
Contractholder payables	4,396	4,362
Payables for reinsurance premiums	485	336
Deferred taxes	126
Debt	6,349	6,349
Other liabilities	5,540	5,506
Total liabilities	77,844	78,242
Shareholders' equity
Common stock (1,750.0 shares authorized; 318.7 and 322.2 shares issued and outstanding)	21,982	21,843	21,603	21,500
Retained earnings	27,906	27,251	25,167	24,291
Accumulated other comprehensive income	769	880	1,127	810
Treasury stock, at cost (443.6 and 437.3 shares)	-25,810	-25,138	-22,510	-21,805
Total shareholders' equity	24,847	24,836	25,387
Total liabilities and shareholders' equity	$102,691	$103,078

Consolidated_Balance_Sheet_Par

Consolidated Balance Sheet Parentheticals (Unaudited at March 31, 2015) (USD $)	Mar. 31, 2015	Dec. 31, 2014	Mar. 31, 2014	Dec. 31, 2013
In Millions, unless otherwise specified
Consolidated Balance Sheet (Unaudited at March 31, 2015)
Fixed maturities, available for sale, amortized cost	$59,916	$60,801
Equity securities, available for sale, cost	$563	$579
Common stock, shares authorized	1,750	1,750
Common stock, shares issued	318.7	322.2
Common stock, shares outstanding	318.7	322.2	347.5	353.5
Treasury stock, at cost, shares	443.6	437.3

Consolidated_Statement_of_Chan

Consolidated Statement of Changes in Shareholders' Equity (Unaudited) (USD $)	3 Months Ended
In Millions, unless otherwise specified	Mar. 31, 2015	Mar. 31, 2014
Common stock
Balance, beginning of year	$21,843	$21,500
Employee share-based compensation	66	45
Compensation amortization under share-based plans and other changes	73	58
Balance, end of period	21,982	21,603
Retained earnings
Balance, beginning of year	27,251	24,291
Net income	833	1,052
Dividends	-178	-177
Other		1
Balance, end of period	27,906	25,167
Accumulated other comprehensive income, net of tax
Balance, beginning of year	880	810
Other comprehensive income (loss)	-111	317
Balance, end of period	769	1,127
Treasury stock (at cost)
Balance, beginning of year	-25,138	-21,805
Treasury stock acquired - share repurchase authorization	-600	-650
Net shares acquired related to employee share-based compensation plans	-72	-55
Balance, end of period	-25,810	-22,510
Total shareholders' equity	$24,847	$25,387
Common shares outstanding
Balance, beginning of year	322.2	353.5
Treasury stock acquired - share repurchase authorization	-5.6	-7.8
Net shares issued under employee share-based compensation plans	2.1	1.8
Balance, end of period	318.7	347.5

Consolidated_Statement_of_Cash

Consolidated Statement of Cash Flows (Unaudited) (USD $)	3 Months Ended
In Millions, unless otherwise specified	Mar. 31, 2015		Mar. 31, 2014
Cash flows from operating activities
Net income	$833		$1,052
Adjustments to reconcile net income to net cash provided by operating activities:
Net realized investment gains	-10	[1]	-1	[1]
Depreciation and amortization	225		227
Deferred federal income tax expense	133		153
Amortization of deferred acquisition costs	963		950
Equity in income from other investments	-43		-139
Premiums receivable	-258		-189
Reinsurance recoverables	69		106
Deferred acquisition costs	-987		-986
Claims and claim adjustment expense reserves	-561		-209
Unearned premium reserves	185		94
Other operating activities	-350		-355
Net cash provided by operating activities	199		703
Cash flows from investing activities
Proceeds from maturities of fixed maturities	2,830		2,312
Proceeds from sales of investments:
Fixed maturities	906		406
Equity securities	11		36
Real estate investments	7		1
Other investments	146		167
Purchases of investments:
Fixed maturities	-3,325		-2,715
Equity securities	-8		-18
Real estate investments	-6		-9
Other investments	-168		-113
Net purchases of short-term securities	-134		-160
Securities transactions in course of settlement	305		240
Acquisition, net of cash acquired			-12
Other investing activities	-90		-60
Net cash provided by investing activities	474		75
Cash flows from financing activities
Treasury stock acquired - share repurchase authorization	-600		-650
Treasury stock acquired - net employee share-based compensation	-71		-54
Dividends paid to shareholders	-177		-176
Issuance of common stock - employee share options	90		57
Excess tax benefits from share-based payment arrangements	27		13
Net cash used in financing activities	-731		-810
Effect of exchange rate changes on cash	-8		-2
Net decrease in cash	-66		-34
Cash at beginning of year	374		294
Cash at end of period	308		260
Supplemental disclosure of cash flow information
Income taxes paid	126		93
Interest paid	$34		$34
[1]	Total other-than-temporary impairment (OTTI) losses were $(4) million and $(7) million for the three months ended March 31, 2015 and 2014, respectively. Of total OTTI, credit losses of $(3) million and $(9) million for the three months ended March 31, 2015 and 2014, respectively, were recognized in net realized investment gains. In addition, unrealized gains (losses) from other changes in total OTTI of $(1) million and $2 million for the three months ended March 31, 2015 and 2014, respectively, were recognized in other comprehensive income (loss) as part of changes in net unrealized gains on investment securities having credit losses recognized in the consolidated statement of income.

Basis_of_Presentation_and_Acco

Basis of Presentation and Accounting Policies	3 Months Ended
	Mar. 31, 2015
Basis of Presentation and Accounting Policies disclosure
Basis of Presentation and Accounting Policies disclosure [Text Block]
	1.                       BASIS OF PRESENTATION AND ACCOUNTING POLICIES
	Basis of Presentation
	The interim consolidated financial statements include the accounts of The Travelers Companies, Inc. (together with its subsidiaries, the Company). These financial statements are prepared in conformity with U.S. generally accepted accounting principles (GAAP) and are unaudited.  In the opinion of the Company’s management, all adjustments necessary for a fair presentation have been reflected.  Certain financial information that is normally included in annual financial statements prepared in accordance with GAAP, but that is not required for interim reporting purposes, has been omitted.  All material intercompany transactions and balances have been eliminated.  The accompanying interim consolidated financial statements and related notes should be read in conjunction with the Company’s consolidated financial statements and related notes included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2014 (the Company’s 2014 Annual Report).
	The preparation of the interim consolidated financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the interim consolidated financial statements and the reported amounts of revenues and claims and expenses during the reporting period.  Actual results could differ from those estimates.  Certain reclassifications have been made to the 2014 financial statements to conform to the 2015 presentation, including reclassifications related to the realignment of the Company’s reportable business segments in July 2014 described in the Company’s 2014 Annual Report.
	Adoption of Accounting Standards Updates
	Reporting Discontinued Operations and Disclosures of Disposals of Components of an Entity
	In April 2014, the Financial Accounting Standards Board (FASB) issued revised guidance to reduce diversity in practice for reporting discontinued operations. Under the previous guidance, any component of an entity that was a reportable segment, an operating segment, a reporting unit, a subsidiary or an asset group was eligible for discontinued operations presentation. The revised guidance only allows disposals of components of an entity that represent a strategic shift (e.g., disposal of a major geographical area, a major line of business, a major equity method investment or other major parts of an entity) and that have a major effect on a reporting entity’s operations and financial results to be reported as discontinued operations. The revised guidance also requires expanded disclosure in the financial statements for discontinued operations as well as for disposals of significant components of an entity that do not qualify for discontinued operations presentation. The updated guidance was effective for the quarter ending March 31, 2015. The adoption of this guidance did not have any effect on the Company’s results of operations, financial position or liquidity.
	Accounting Standards Not Yet Adopted
	Amendments to the Consolidation Analysis
	In February 2015, the FASB issued updated guidance that makes targeted amendments to the current consolidation accounting guidance. The update is in response to accounting complexity concerns, particularly from the asset management industry. The guidance simplifies consolidation accounting by reducing the number of approaches to consolidation, provides a scope exception to registered money market funds and similar unregistered money market funds and ends the indefinite deferral granted to investment companies from applying the variable interest entity guidance.
	The updated guidance is effective for annual and interim periods beginning after December 15, 2015. The adoption of this guidance is not expected to have a material effect on the Company’s results of operations, financial position or liquidity.
	Simplifying the Presentation of Debt Issuance Costs
	In April 2015, the FASB issued updated guidance to clarify the required presentation of debt issuance costs.   The amended guidance requires that debt issuance costs be presented in the balance sheet as a direct reduction from the carrying amount of the recognized debt liability, consistent with the treatment of debt discounts.   Amortization of debt issuance costs is to be reported as interest expense.   The recognition and measurement guidance for debt issuance costs are not affected by the updated guidance.
	The updated guidance is effective for reporting periods beginning after December 15, 2015.   Early adoption is permitted.  The adoption of this guidance will not have any effect on the Company’s results of operations, financial position or liquidity.
	Additional Accounting Standards Not Yet Adopted
	For information regarding additional accounting standards that the Company has not yet adopted, see the “Accounting Standards Not Yet Adopted” section of note 1 of notes to the consolidated financial statements in the Company’s 2014 Annual Report.
	Nature of Operations
	The Company is organized into three reportable business segments: Business and International Insurance; Bond & Specialty Insurance; and Personal Insurance. These segments reflect the manner in which the Company’s businesses are currently managed and represent an aggregation of products and services based on type of customer, how the business is marketed and the manner in which risks are underwritten.  For more information regarding the Company’s nature of operations, see the “Nature of Operations” section of note 1 of notes to the consolidated financial statements in the Company’s 2014 Annual Report.

Segment_Information

Segment Information	3 Months Ended
	Mar. 31, 2015
Segment Information disclosure
Segment Information disclosure [Text Block]
	2.             SEGMENT INFORMATION
	The following tables summarize the components of the Company’s revenues, operating income and total assets by reportable business segments:
	(for the three months	Business and			Bond & Specialty			Personal		Total
	ended March 31,	International			Insurance			Insurance		Reportable
	in millions)	Insurance								Segments
	2015
	Premiums	$	3,620		$	504		$	1,764	$	5,888
	Net investment income	454			56			82		592
	Fee income	111			—			—		111
	Other revenues	8			5			12		25
	Total operating revenues (1)	$	4,193		$	565		$	1,858	$	6,616
	Operating income (1)	$	515		$	124		$	252	$	891
	2014
	Premiums	$	3,558		$	503		$	1,762	$	5,823
	Net investment income	570			66			100		736
	Fee income	107			—			—		107
	Other revenues	12			4			26		42
	Total operating revenues (1)	$	4,247		$	573		$	1,888	$	6,708
	Operating income (1)	$	694		$	154		$	268	$	1,116
	(1)         Operating revenues for reportable business segments exclude net realized investment gains (losses). Operating income for reportable business segments equals net income excluding the after-tax impact of net realized investment gains (losses).
	Business Segment Reconciliations
		Three Months Ended
		March 31,
	(in millions)	2015			2014
	Revenue reconciliation
	Earned premiums
	Business and International Insurance:
	Domestic:
	Workers’ compensation	$	962		$	908
	Commercial automobile	469			468
	Commercial property	441			428
	General liability	472			447
	Commercial multi-peril	775			755
	Other	10			10
	Total Domestic	3,129			3,016
	International	491			542
	Total Business and International Insurance	3,620			3,558
	Bond & Specialty Insurance:
	Fidelity and surety	225			222
	General liability	236			237
	Other	43			44
	Total Bond & Specialty Insurance	504			503
	Personal Insurance:
	Automobile	836			815
	Homeowners and Other	928			947
	Total Personal Insurance	1,764			1,762
	Total earned premiums	5,888			5,823
	Net investment income	592			736
	Fee income	111			107
	Other revenues	25			42
	Total operating revenues for reportable segments	6,616			6,708
	Other revenues	—			(1		)
	Net realized investment gains	10			1
	Total consolidated revenues	$	6,626		$	6,708
	Income reconciliation, net of tax
	Total operating income for reportable segments	$	891		$	1,116
	Interest Expense and Other (1)	(64		)	(64		)
	Total operating income	827			1,052
	Net realized investment gains	6			—
	Total consolidated net income	$	833		$	1,052
	(1)     The primary component of Interest Expense and Other for the three months ended March 31, 2015 and 2014 was after-tax interest expense of $60 million.
	(in millions)	March 31,			December 31,
		2015			2014
Asset reconciliation:
Business and International Insurance	$	81,892		$	82,309
Bond & Specialty Insurance	7,637			7,525
Personal Insurance	12,859			12,798
Total assets for reportable segments	102,388			102,632
Other assets (1)	303			446
Total consolidated assets	$	102,691		$	103,078
(1)                  The primary component of other assets at March 31, 2015 was other intangible assets.  The primary components of other assets at December 31, 2014 were other intangible assets and deferred taxes.

Investments

Investments	3 Months Ended
	Mar. 31, 2015
Investments disclosure
Investments disclosure [Text Block]
	3.                       INVESTMENTS
	Fixed Maturities
	The amortized cost and fair value of investments in fixed maturities classified as available for sale were as follows:
		Amortized		Gross Unrealized				Fair
	(at March 31, 2015, in millions)	Cost		Gains		Losses		Value
	U.S. Treasury securities and obligations of U.S. government and government agencies and authorities	$	2,036	$	45	$	2	$	2,079
	Obligations of states, municipalities and political subdivisions:
	Pre-refunded	6,893		324		—		7,217
	All other	24,591		1,276		24		25,843
	Total obligations of states, municipalities and political subdivisions	31,484		1,600		24		33,060
	Debt securities issued by foreign governments	2,117		65		—		2,182
	Mortgage-backed securities, collateralized mortgage obligations and pass-through securities	1,986		170		3		2,153
	All other corporate bonds	22,180		1,036		45		23,171
	Redeemable preferred stock	113		11		—		124
	Total	$	59,916	$	2,927	$	74	$	62,769
		Amortized		Gross Unrealized				Fair
	(at December 31, 2014, in millions)	Cost		Gains		Losses		Value
	U.S. Treasury securities and obligations of U.S. government and government agencies and authorities	$	2,022	$	36	$	5	$	2,053
	Obligations of states, municipalities and political subdivisions:
	Pre-refunded	7,229		332		—		7,561
	All other	24,666		1,356		10		26,012
	Total obligations of states, municipalities and political subdivisions	31,895		1,688		10		33,573
	Debt securities issued by foreign governments	2,320		48		—		2,368
	Mortgage-backed securities, collateralized mortgage obligations and pass-through securities	2,052		165		4		2,213
	All other corporate bonds	22,390		844		99		23,135
	Redeemable preferred stock	122		10		—		132
	Total	$	60,801	$	2,791	$	118	$	63,474
	Pre-refunded bonds of $7.22 billion and $7.56 billion at March 31, 2015 and December 31, 2014, respectively, were bonds for which states or municipalities have established irrevocable trusts, almost exclusively comprised of U.S. Treasury securities, which were created to satisfy their responsibility for payments of principal and interest.
	Proceeds from sales of fixed maturities classified as available for sale were $906 million and $406 million during the three months ended March 31, 2015 and 2014, respectively. Gross gains of $19 million and $13 million and gross losses of $1 million and $4 million were realized on those sales during the three months ended March 31, 2015 and 2014, respectively.
	Equity Securities
	The cost and fair value of investments in equity securities were as follows:
				Gross Unrealized				Fair
	(at March 31, 2015, in millions)	Cost		Gains		Losses		Value
	Public common stock	$	399	$	278	$	3	$	674
	Non-redeemable preferred stock	164		30		2		192
	Total	$	563	$	308	$	5	$	866
				Gross Unrealized				Fair
	(at December 31, 2014, in millions)	Cost		Gains		Losses		Value
	Public common stock	$	400	$	295	$	4	$	691
	Non-redeemable preferred stock	179		31		2		208
	Total	$	579	$	326	$	6	$	899
	Proceeds from sales of equity securities were $11 million and $36 million during the three months ended March 31, 2015 and 2014, respectively.  Gross gains and losses realized on those sales during the three months ended March 31, 2015 and 2014 were insignificant in both periods.
	Unrealized Investment Losses
	The following tables summarize, for all investments in an unrealized loss position at March 31, 2015 and December 31, 2014, the aggregate fair value and gross unrealized loss by length of time those securities have been continuously in an unrealized loss position.  The fair value amounts reported in the tables are estimates that are prepared using the process described in note 4 herein and in note 4 of notes to the consolidated financial statements in the Company’s 2014 Annual Report.
		Less than 12 months				12 months or longer				Total
				Gross				Gross				Gross
		Fair		Unrealized		Fair		Unrealized		Fair		Unrealized
	(at March 31, 2015, in millions)	Value		Losses		Value		Losses		Value		Losses
	Fixed maturities
	U.S. Treasury securities and obligations of U.S. government and government agencies and authorities	$	500	$	2	$	15	$	—	$	515	$	2
	Obligations of states, municipalities and political subdivisions	1,884		20		143		4		2,027		24
	Debt securities issued by foreign governments	75		—		—		—		75		—
	Mortgage-backed securities, collateralized mortgage obligations and pass-through securities	60		—		133		3		193		3
	All other corporate bonds	1,494		27		593		18		2,087		45
	Redeemable preferred stock	1		—		—		—		1		—
	Total fixed maturities	4,014		49		884		25		4,898		74
	Equity securities
	Public common stock	74		3		1		—		75		3
	Non-redeemable preferred stock	72		1		30		1		102		2
	Total equity securities	146		4		31		1		177		5
	Total	$	4,160	$	53	$	915	$	26	$	5,075	$	79
		Less than 12 months				12 months or longer				Total
				Gross				Gross				Gross
	Fair		Unrealized		Fair		Unrealized		Fair		Unrealized
(at December 31, 2014, in millions)	Value		Losses		Value		Losses		Value		Losses
Fixed maturities
U.S. Treasury securities and obligations of U.S. government and government agencies and authorities	$	180	$	2	$	125	$	3	$	305	$	5
Obligations of states, municipalities and political subdivisions	173		1		797		9		970		10
Debt securities issued by foreign governments	50		—		24		—		74		—
Mortgage-backed securities, collateralized mortgage obligations and pass-through securities	68		—		192		4		260		4
All other corporate bonds	2,148		38		2,355		61		4,503		99
Total fixed maturities	2,619		41		3,493		77		6,112		118
Equity securities
Public common stock	81		4		1		—		82		4
Non-redeemable preferred stock	44		1		42		1		86		2
Total equity securities	125		5		43		1		168		6
Total	$	2,744	$	46	$	3,536	$	78	$	6,280	$	124
Unrealized losses for all fixed maturities and equity securities reported at fair value for which fair value is less than 80% of amortized cost at March 31, 2015 totaled $9 million, representing less than 1% of the combined fixed maturity and equity security portfolios on a pretax basis and less than 1% of shareholders’ equity on an after-tax basis.
Impairment Charges
Impairment charges included in net realized investment gains in the consolidated statement of income were $3 million and $9 million for the three months ended March 31, 2015 and 2014, respectively.
The cumulative credit component of other-than-temporary impairments (OTTI) on fixed maturities recognized in the consolidated statement of income for which a portion of the OTTI was recognized in other comprehensive income for fixed maturities held at March 31, 2015 and 2014 totaled $94 million and $111 million, respectively, representing less than 1% of the fixed maturity portfolio on a pretax basis and less than 1% of shareholders’ equity on an after-tax basis at both dates.  There were no significant changes in the credit component of OTTI during the three months ended March 31, 2015 and 2014 from that disclosed in note 3 of notes to the consolidated financial statements in the Company’s 2014 Annual Report.
Derivative Financial Instruments
From time to time, the Company enters into U.S. Treasury note futures contracts to modify the effective duration of specific assets within the investment portfolio.  U.S. Treasury futures contracts require a daily mark-to-market and settlement with the broker.  At March 31, 2015 and December 31, 2014, the Company had $400 million and $350 million notional value of open U.S. Treasury futures contracts, respectively.  Net realized investment gains in the three months ended March 31, 2015 and 2014 included net losses of $10 million and net gains of $1 million, respectively, related to U.S. Treasury futures contracts.

Fair_Value_Measurements

Fair Value Measurements	3 Months Ended
	Mar. 31, 2015
Fair Value Measurements disclosure
Fair Value Measurements disclosure [Text Block]
	4.                   FAIR VALUE MEASUREMENTS
	The Company’s estimates of fair value for financial assets and financial liabilities are based on the framework established in the fair value accounting guidance.  The framework is based on the inputs used in valuation, gives the highest priority to quoted prices in active markets and requires that observable inputs be used in the valuations when available.  The disclosure of fair value estimates in the fair value accounting guidance hierarchy is based on whether the significant inputs into the valuation are observable.  In determining the level of the hierarchy in which the estimate is disclosed, the highest priority is given to unadjusted quoted prices in active markets and the lowest priority to unobservable inputs that reflect the Company’s significant market assumptions.  The level in the fair value hierarchy within which the fair value measurement is reported is based on the lowest level input that is significant to the measurement in its entirety.  The three levels of the hierarchy are as follows:
	·         Level 1- Unadjusted quoted market prices for identical assets or liabilities in active markets that the Company has the ability to access.
	·         Level 2- Quoted prices for similar assets or liabilities in active markets; quoted prices for identical or similar assets or liabilities in inactive markets; or valuations based on models where the significant inputs are observable (e.g., interest rates, yield curves, prepayment speeds, default rates, loss severities, etc.) or can be corroborated by observable market data.
	·         Level 3- Valuations based on models where significant inputs are not observable.  The unobservable inputs reflect the Company’s own assumptions about the inputs that market participants would use.
	Valuation of Investments Reported at Fair Value in Financial Statements
	The Company utilized a pricing service to estimate fair value measurements for approximately 98% of its fixed maturities at both March 31, 2015 and December 31, 2014.
	While the vast majority of the Company’s fixed maturities are included in Level 2, the Company holds a number of municipal bonds and corporate bonds which are not valued by the pricing service and estimates the fair value of these bonds using an internal pricing matrix with some unobservable inputs that are significant to the valuation.  Due to the limited amount of observable market information, the Company includes the fair value estimates for these particular bonds in Level 3.  The fair value of the fixed maturities for which the Company used an internal pricing matrix was $92 million at both March 31, 2015 and December 31, 2014. Additionally, the Company holds a small amount of other fixed maturity investments that have characteristics that make them unsuitable for matrix pricing.  For these fixed maturities, the Company obtains a quote from a broker (primarily the market maker).  The fair value of the fixed maturities for which the Company received a broker quote was $120 million and $140 million at March 31, 2015 and December 31, 2014, respectively.  Due to the disclaimers on the quotes that indicate that the price is indicative only, the Company includes these fair value estimates in Level 3.
	For more information regarding the valuation of the Company’s fixed maturities, equity securities and other investments, see note 4 of notes to the consolidated financial statements in the Company’s 2014 Annual Report.
	Fair Value Hierarchy
	The following tables present the level within the fair value hierarchy at which the Company’s financial assets and financial liabilities are measured on a recurring basis at March 31, 2015 and December 31, 2014.  An investment transferred between levels during a period is transferred at its fair value as of the beginning of that period.
	(at March 31, 2015, in millions)	Total		Level 1		Level 2		Level 3
	Invested assets:
	Fixed maturities
	U.S. Treasury securities and obligations of U.S. government and government agencies and authorities	$	2,079	$	2,075	$	4	$	—
	Obligations of states, municipalities and political subdivisions	33,060		67		32,980		13
	Debt securities issued by foreign governments	2,182		—		2,182		—
	Mortgage-backed securities, collateralized mortgage obligations and pass-through securities	2,153		—		2,135		18
	All other corporate bonds	23,171		12		22,985		174
	Redeemable preferred stock	124		—		117		7
	Total fixed maturities	62,769		2,154		60,403		212
	Equity securities
	Public common stock	674		674		—		—
	Non-redeemable preferred stock	192		73		119		—
	Total equity securities	866		747		119		—
	Other investments	56		18		—		38
	Total	$	63,691	$	2,919	$	60,522	$	250
	During the quarter ended March 31, 2015, the Company’s transfers between Level 1 and Level 2 were not significant.
	(at December 31, 2014, in millions)	Total		Level 1		Level 2		Level 3
	Invested assets:
	Fixed maturities
	U.S. Treasury securities and obligations of U.S. government and government agencies and authorities	$	2,053	$	2,049	$	4	$	—
	Obligations of states, municipalities and political subdivisions	33,573		—		33,560		13
	Debt securities issued by foreign governments	2,368		—		2,368		—
	Mortgage-backed securities, collateralized mortgage obligations and pass-through securities	2,213		—		2,203		10
	All other corporate bonds	23,135		—		22,934		201
	Redeemable preferred stock	132		2		122		8
	Total fixed maturities	63,474		2,051		61,191		232
	Equity securities
	Public common stock	691		691		—		—
	Non-redeemable preferred stock	208		82		126		—
	Total equity securities	899		773		126		—
	Other investments	55		19		—		36
	Total	$	64,428	$	2,843	$	61,317	$	268
	During the year ended December 31, 2014, the Company’s transfers between Level 1 and Level 2 were not significant.
	There was no significant activity in Level 3 of the hierarchy during the three months ended March 31, 2015 or the year ended December 31, 2014.
	Financial Instruments Disclosed, But Not Carried, At Fair Value
	The Company uses various financial instruments in the normal course of its business. The following tables present the carrying value and fair value of the Company’s financial assets and financial liabilities disclosed, but not carried, at fair value at March 31, 2015 and December 31, 2014, and the level within the fair value hierarchy at which such assets and liabilities are categorized.
	(at March 31, 2015, in millions)	Carrying		Fair		Level 1		Level 2		Level 3
		Value		Value
	Financial assets:
	Short-term securities	$	4,490	$	4,490	$	1,238	$	3,215	$	37
	Financial liabilities:
	Debt	$	6,249	$	7,654	$	—	$	7,654	$	—
	Commercial paper	$	100	$	100	$	—	$	100	$	—
	(at December 31, 2014, in millions)	Carrying		Fair		Level 1		Level 2		Level 3
		Value		Value
	Financial assets:
	Short-term securities	$	4,364	$	4,364	$	1,283	$	3,042	$	39
	Financial liabilities:
	Debt	$	6,249	$	7,522	$	—	$	7,522	$	—
	Commercial paper	$	100	$	100	$	—	$	100	$	—
	The Company utilized a pricing service to estimate fair value for approximately 99% and 98% of short-term securities at March 31, 2015 and December 31, 2014, respectively.  For a description of the process and inputs used by the pricing service to estimate fair value, see the “Fixed Maturities” section in note 4 of notes to the consolidated financial statements in the Company’s 2014 Annual Report.
The Company utilized a pricing service to estimate fair value for 100% of its debt, including commercial paper, at March 31, 2015 and December 31, 2014.
The Company had no material assets or liabilities that were measured at fair value on a non-recurring basis during the three months ended March 31, 2015 or twelve months ended December 31, 2014.

Goodwill_and_Other_Intangible_

Goodwill and Other Intangible Assets	3 Months Ended
	Mar. 31, 2015
Goodwill and Other Intangible Assets disclosure
Goodwill and Other Intangible Assets disclosure [Text Block]
	5.                   GOODWILL AND OTHER INTANGIBLE ASSETS
	Goodwill
	The following table presents the carrying amount of the Company’s goodwill by segment at March 31, 2015 and December 31, 2014:
	(in millions)	March 31,		December 31,
		2015		2014
	Business and International Insurance (1)	$	2,455	$	2,476
	Bond & Specialty Insurance	495		495
	Personal Insurance	613		613
	Other	27		27
	Total	$	3,590	$	3,611
	(1)     Includes goodwill associated with the Company’s international businesses, which are subject to the impact of changes in foreign currency exchange rates.
	Other Intangible Assets
	The following tables present a summary of the Company’s other intangible assets by major asset class at March 31, 2015 and December 31, 2014:
	(at March 31, 2015, in millions)	Gross		Accumulated		Net
		Carrying		Amortization
		Amount
	Intangibles subject to amortization
	Customer-related	$	460	$	454	$	6
	Fair value adjustment on claims and claim adjustment expense reserves, reinsurance recoverables and other contract-related intangibles (1)	208		139		69
	Total intangible assets subject to amortization	668		593		75
	Intangible assets not subject to amortization	217		—		217
	Total other intangible assets	$	885	$	593	$	292
	(at December 31, 2014, in millions)	Gross		Accumulated		Net
		Carrying		Amortization
		Amount
	Intangibles subject to amortization
	Customer-related	$	460	$	446	$	14
	Fair value adjustment on claims and claim adjustment expense reserves, reinsurance recoverables and other contract-related intangibles (1)	209		136		73
	Total intangible assets subject to amortization	669		582		87
	Intangible assets not subject to amortization	217		—		217
	Total other intangible assets	$	886	$	582	$	304
	(1)     The time value of money and the risk adjustment (cost of capital) components of the intangible asset run off at different rates, and, as such, the amount recognized in income may be a net benefit in some periods and a net expense in other periods.
	The following presents a summary of the Company’s amortization expense for other intangible assets by major asset class:
	(for the three months ended March 31, in millions)	2015		2014
	Customer-related	$	8	$	8
	Fair value adjustment on claims and claim adjustment expense reserves, reinsurance recoverables and other contract-related intangibles	3		4
	Total amortization expense	$	11	$	12
	Intangible asset amortization expense is estimated to be $15 million for the remainder of 2015, $10 million in 2016, $9 million in 2017, $7 million in 2018 and $6 million in 2019.

Other_Comprehensive_Income_and

Other Comprehensive Income and Accumulated Other Comprehensive Income	3 Months Ended
	Mar. 31, 2015
Other Comprehensive Income and Accumulated Other Comprehensive Income disclosure
Other Comprehensive Income and Accumulated Other Comprehensive Income disclosure [Text Block]
	6.                   OTHER COMPREHENSIVE INCOME AND ACCCUMULATED OTHER COMPREHENSIVE INCOME
	The following table presents the changes in the Company’s accumulated other comprehensive income (AOCI) for the three months ended March 31, 2015.
	(in millions)	Changes in Net			Changes in Net			Net Benefit Plan			Net Unrealized			Total Accumulated
		Unrealized Gains on			Unrealized Gains on			Assets and			Foreign Currency			Other
		Investment			Investment			Obligations			Translation			Comprehensive
		Securities Having No			Securities Having			Recognized in						Income
		Credit Losses			Credit Losses			Shareholders’ Equity
		Recognized in the			Recognized in the
		Consolidated			Consolidated
		Statement of Income			Statement of Income
	Balance, December 31, 2014	$	1,768		$	198		$	(755	)	$	(331	)	$	880
	Other comprehensive income (loss) (OCI) before reclassifications	125			(3		)	1			(237		)	(114		)
	Amounts reclassified from AOCI	(12		)	—			15			—			3
	Net OCI, current period	113			(3		)	16			(237		)	(111		)
	Balance, March 31, 2015	$	1,881		$	195		$	(739	)	$	(568	)	$	769
	The following table presents the pretax components of the Company’s other comprehensive income (loss) and the related income tax expense (benefit) for the three months ended March 31, 2015 and 2014.
	(for the three months ended March 31, in millions)	2015			2014
	Changes in net unrealized gains on investment securities:
	Having no credit losses recognized in the consolidated statement of income	$	169		$	537
	Income tax expense	56			186
	Net of taxes	113			351
	Having credit losses recognized in the consolidated statement of income	(5		)	2
	Income tax expense (benefit)	(2		)	1
	Net of taxes	(3		)	1
	Net changes in benefit plan assets and obligations	24			15
	Income tax expense	8			7
	Net of taxes	16			8
	Net changes in unrealized foreign currency translation	(274		)	(43		)
	Income tax benefit	(37		)	—
	Net of taxes	(237		)	(43		)
	Total other comprehensive income (loss)	(86		)	511
	Total income tax expense	25			194
	Total other comprehensive income (loss), net of taxes	$	(111	)	$	317
	The following table presents the pretax and related income tax (expense) benefit components of the amounts reclassified from the Company’s AOCI to the Company’s consolidated statement of income for the three months ended March 31, 2015 and 2014.
	(for the three months ended March 31, in millions)	2015			2014
	Reclassification adjustments related to unrealized gains on investment securities:
	Having no credit losses recognized in the consolidated statement of income (1)	$	(18	)	$	(5	)
	Income tax expense (2)	(6		)	(2		)
	Net of taxes	(12		)	(3		)
	Having credit losses recognized in the consolidated statement of income (1)	—			3
	Income tax benefit (2)	—			1
	Net of taxes	—			2
	Reclassification adjustment related to benefit plan assets and obligations (3)	23			15
	Income tax benefit (2)	8			7
	Net of taxes	15			8
	Reclassification adjustment related to foreign currency translation (1)	—			—
	Income tax benefit (2)	—			—
	Net of taxes	—			—
	Total reclassifications	5			13
	Total income tax benefit	2			6
	Total reclassifications, net of taxes	$	3		$	7
	(1)     (Increases) decreases net realized investment gains (losses) on the consolidated statement of income.
	(2)     (Increases) decreases income tax expense on the consolidated statement of income.
	(3)     Increases (decreases) general and administrative expenses on the consolidated statement of income.

Common_Share_Repurchases

Common Share Repurchases	3 Months Ended
	Mar. 31, 2015
Common Share Repurchases disclosure
Common Share Repurchases disclosure [Text Block]
	7.                                      COMMON SHARE REPURCHASES
	During the three months ended March 31, 2015, the Company repurchased 5.6 million shares under its share repurchase authorization for a total cost of $600 million.  The average cost per share repurchased was $106.97.  On April 21, 2015, the board of directors approved a share repurchase authorization that added an additional $5.0 billion of repurchase capacity to the $884 million of capacity remaining at March 31, 2015.  In addition, the Company acquired 0.7 million shares for a total cost of $72 million during the three months ended March 31, 2015 that were not part of the publicly announced share repurchase authorization.  These shares consisted of shares retained to cover payroll withholding taxes in connection with the vesting of restricted stock awards and shares used by employees to cover the exercise price of certain stock options that were exercised.

Earnings_per_Share

Earnings per Share	3 Months Ended
	Mar. 31, 2015
Earnings per Share disclosure
Earnings per Share disclosure [Text Block]
	8.                       EARNINGS PER SHARE
	The following is a reconciliation of the income and share data used in the basic and diluted earnings per share computations for the periods presented:
		Three Months Ended
		March 31,
	(in millions, except per share amounts)	2015			2014
	Basic and Diluted
	Net income, as reported	$	833		$	1,052
	Participating share-based awards — allocated income	(6		)	(7		)
	Net income available to common shareholders — basic and diluted	$	827		$	1,045
	Common Shares
	Basic
	Weighted average shares outstanding	320.8			350.9
	Diluted
	Weighted average shares outstanding	320.8			350.9
	Weighted average effects of dilutive securities — stock options and performance shares	3.7			3.7
	Total	324.5			354.6
	Net Income per Common Share
	Basic	$	2.58		$	2.98
	Diluted	$	2.55		$	2.95

ShareBased_Incentive_Compensat

Share-Based Incentive Compensation	3 Months Ended
	Mar. 31, 2015
Share-Based Incentive Compensation disclosure
Share-Based Incentive Compensation disclosure [Text Block]
	9.                                      SHARE-BASED INCENTIVE COMPENSATION
	The following information relates to fully vested stock option awards at March 31, 2015:
	Stock Options	Number	Weighted		Weighted	Aggregate
			Average		Average	Intrinsic
			Exercise		Contractual	Value
			Price		Life	($ in millions)
					Remaining
	Vested at end of period (1)	8,185,698	$	66.29	6.5 Years	$	342
	Exercisable at end of period	5,234,347	$	53.23	5.1 Years	$	287
	(1)     Represents awards for which the requisite service has been rendered, including those that are retirement eligible.
	The total compensation cost for all share-based incentive compensation awards recognized in earnings was $47 million and $44 million for the three months ended March 31, 2015 and 2014, respectively.  The related tax benefits recognized in earnings were $16 million and $15 million for the three months ended March 31, 2015 and 2014, respectively.
	The total unrecognized compensation cost related to all nonvested share-based incentive compensation awards at March 31, 2015 was $211 million, which is expected to be recognized over a weighted-average period of 2.1 years. The total unrecognized compensation cost related to all nonvested share-based incentive compensation awards at December 31, 2014 was $123 million, which was expected to be recognized over a weighted-average period of 1.7 years.

Pension_Plans_Retirement_Benef

Pension Plans, Retirement Benefits and Savings Plans	3 Months Ended
	Mar. 31, 2015
Pension Plans, Retirement Benefits and Savings Plans disclosure
Pension Plans, Retirement Benefits and Savings Plans disclosure [Text Block]
	10.                PENSION PLANS, RETIREMENT BENEFITS AND SAVINGS PLANS
	The following table summarizes the components of net periodic benefit cost for the Company’s pension and postretirement benefit plans recognized in the consolidated statement of income.
		Pension Plans						Postretirement Benefit Plans
	(for the three months ended March 31, in millions)	2015			2014			2015			2014
	Net Periodic Benefit Cost:
	Service cost	$	33		$	27		$	—		$	—
	Interest cost on benefit obligation	36			38			3			2
	Expected return on plan assets	(58		)	(54		)	—			—
	Amortization of unrecognized:
	Prior service benefit	—			—			(1		)	(1		)
	Net actuarial loss	24			16			—			—
	Net periodic benefit cost	$	35		$	27		$	2		$	1

Contingencies_Commitments_and_

Contingencies, Commitments and Guarantees	3 Months Ended
	Mar. 31, 2015
Contingencies, Commitments and Guarantees disclosure
Contingencies, Commitments and Guarantees disclosure [Text Block]
	11.                               CONTINGENCIES, COMMITMENTS AND GUARANTEES
	Contingencies
	The major pending legal proceedings, other than ordinary routine litigation incidental to the business, to which the Company or any of its subsidiaries is a party or to which any of the Company’s properties is subject are described below.
	Asbestos and Environmental Claims and Litigation
	In the ordinary course of its insurance business, the Company has received and continues to receive claims for insurance arising under policies issued by the Company asserting alleged injuries and damages from asbestos- and environmental-related exposures that are the subject of related coverage litigation.  The Company is defending asbestos- and environmental-related litigation vigorously and believes that it has meritorious defenses; however, the outcomes of these disputes are uncertain.  In this regard, the Company employs dedicated specialists and aggressive resolution strategies to manage asbestos and environmental loss exposure, including settling litigation under appropriate circumstances.  Currently, it is not possible to predict legal outcomes and their impact on the future development of claims and litigation relating to asbestos and environmental claims. Any such development will be affected by future court decisions and interpretations, as well as changes in applicable legislation. Because of these uncertainties, additional liabilities may arise for amounts in excess of the Company’s current reserves. In addition, the Company’s estimate of ultimate claims and claim adjustment expenses may change. These additional liabilities or increases in estimates, or a range of either, cannot now be reasonably estimated and could result in income statement charges that could be material to the Company’s results of operations in future periods.
	Settlement of Asbestos Direct Action Litigation
	In January 2015, pursuant to an order issued by the federal bankruptcy court, the Company made a payment in the amount of $579 million for the settlement of litigation that had commenced in 2001 related to the handling and settlement of asbestos claims. The payment was fully accrued in the Company’s financial statements at December 31, 2014 and was comprised of the $502 million settlement amounts, plus pre- and post-judgment interest totaling $77 million. For further information related to this litigation, see “Settlement of Asbestos Direct Action Litigation” in note 16 of notes to the consolidated financial statements in the Company’s 2014 Annual Report.
	Other Proceedings Not Arising Under Insurance Contracts or Reinsurance Agreements
	The Company is involved in other lawsuits, including lawsuits alleging extra-contractual damages relating to insurance contracts or reinsurance agreements, that do not arise under insurance contracts or reinsurance agreements.  The legal costs associated with such lawsuits are expensed in the period in which the costs are incurred.  Based upon currently available information, the Company does not believe it is reasonably possible that any such lawsuit or related lawsuits would be material to the Company’s results of operations or would have a material adverse effect on the Company’s financial position or liquidity.
	Gain Contingency
	On August 17, 2010, in a reinsurance dispute in New York state court captioned United States Fidelity & Guaranty Company v. American Re-Insurance Company, et al., the trial court granted summary judgment for United States Fidelity and Guaranty Company (USF&G), a subsidiary of the Company, and denied summary judgment for American Re-Insurance Company, a subsidiary of Munich Re (American Re), and three other reinsurers.  By order dated October 22, 2010, the trial court corrected certain clerical errors and made certain clarifications to the August 17, 2010 order.  On October 25, 2010, judgment was entered against American Re and the other three insurers, awarding USF&G $420 million, comprising $251 million ceded under the terms of the disputed reinsurance contract plus interest of 9% amounting to $169 million as of that date.  The judgment, including the award of interest, was appealed by the reinsurers to the New York Supreme Court, Appellate Division, First Department.  On January 24, 2012, the Appellate Division affirmed the judgment.  On January 30, 2012, the reinsurers filed a motion with the Appellate Division seeking permission to appeal its decision to the New York Court of Appeals, and on March 12, 2012, the Appellate Division granted the reinsurers’ motion.  On February 7, 2013, the Court of Appeals issued an opinion that largely affirmed the summary judgment in USF&G’s favor, while modifying in part the summary judgment with respect to two discrete issues and remanding the case to the trial court for determination of those issues.  The Court set a trial date for August 3, 2015.  The Company believes it has a meritorious position on each of these issues and intends to pursue its claim vigorously.  On May 2, 2013, the Court of Appeals denied a motion by reinsurers to reconsider the February 7, 2013 opinion.  In November 2013, the Company entered into a settlement agreement with one of the reinsurers.  At March 31, 2015, the claim totaled $493 million, comprising the $238 million of reinsurance recoverable plus interest amounting to $255 million as of that date.  Interest will continue to accrue at an annual rate of 9% until the claim is paid. The $238 million of reinsurance recoverable owed to USF&G under the terms of the disputed reinsurance contract has been reported as part of reinsurance recoverables in the Company’s consolidated balance sheet.  The interest that would be owed as part of any judgment ultimately entered in favor of USF&G is treated for accounting purposes as a gain contingency in accordance with FASB Topic 450, Contingencies, and accordingly has not been recognized in the Company’s consolidated financial statements.
	Other Commitments and Guarantees
	Commitments
	Investment Commitments — The Company has unfunded commitments to private equity limited partnerships and real estate partnerships in which it invests.  These commitments totaled $1.62 billion and $1.63 billion at March 31, 2015 and December 31, 2014, respectively.
	Guarantees
	In the ordinary course of selling businesses to third parties, the Company has agreed to indemnify purchasers for losses arising out of breaches of representations and warranties with respect to the businesses being sold, covenants and obligations of the Company and/or its subsidiaries following the closing and, in certain cases, obligations arising from certain liabilities, adverse reserve development and imposition of additional taxes due to either a change in the tax law or an adverse interpretation of the tax law.  Such indemnification provisions generally are applicable from the closing date to the expiration of the relevant statutes of limitations, although, in some cases, there may be agreed upon term limitations or no term limitations.  Certain of these contingent obligations are subject to deductibles which have to be incurred by the obligee before the Company is obligated to make payments.  The maximum amount of the Company’s contingent obligation for indemnifications related to the sale of businesses that are quantifiable was $453 million at March 31, 2015, of which $2 million was recognized on the balance sheet at that date.
	The Company also has contingent obligations for guarantees related to certain investments, third-party loans related to certain investments, certain insurance policy obligations of former insurance subsidiaries, and various other indemnifications.  The Company also provides standard indemnifications to service providers in the normal course of business.  The indemnification clauses are often standard contractual terms.  Certain of these guarantees and indemnifications have no stated or notional amounts or limitation to the maximum potential future payments, and, accordingly, the Company is unable to develop an estimate of the maximum potential payments for such arrangements.  The maximum amount of the Company’s obligation for guarantees of certain investments and third-party loans related to certain investments that are quantifiable was $150 million at March 31, 2015, approximately $75 million of which is indemnified by a third party.  The maximum amount of the Company’s obligation related to the guarantee of certain insurance policy obligations of a former insurance subsidiary was $480 million at March 31, 2015, all of which is indemnified by a third party.

Consolidating_Financial_Statem

Consolidating Financial Statements (Unaudited)	3 Months Ended
	Mar. 31, 2015
Consolidating Financial Statements of The Travelers Companies, Inc. and Subsidiaries (Unaudited) disclosure
Consolidating Financial Statements of The Travelers Companies, Inc. and Subsidiaries (Unaudited) disclosure [Text Block]
	12.                               CONSOLIDATING FINANCIAL STATEMENTS OF THE TRAVELERS COMPANIES, INC. AND SUBSIDIARIES
	The following consolidating financial statements of the Company have been prepared pursuant to Rule 3-10 of Regulation S-X. These consolidating financial statements have been prepared from the Company’s financial information on the same basis of accounting as the consolidated financial statements. The Travelers Companies, Inc. has fully and unconditionally guaranteed certain debt obligations of Travelers Property Casualty Corp. (TPC), which totaled $700 million at March 31, 2015.
	Prior to the merger of TPC and The St. Paul Companies, Inc. in 2004, TPC fully and unconditionally guaranteed the payment of all principal, premiums, if any, and interest on certain debt obligations of its wholly-owned subsidiary, Travelers Insurance Group Holdings, Inc. (TIGHI). Concurrent with the merger, The Travelers Companies, Inc. fully and unconditionally assumed such guarantee obligations of TPC. TPC is deemed to have no assets or operations independent of TIGHI.  Consolidating financial information for TIGHI has not been presented herein because such financial information would be substantially the same as the financial information provided for TPC.
	CONSOLIDATING STATEMENT OF INCOME (Unaudited)
	For the three months ended March 31, 2015
	(in millions)	TPC			Other			Travelers (2)			Eliminations			Consolidated
					Subsidiaries
	Revenues
	Premiums	$	3,996		$	1,892		$	—		$	—		$	5,888
	Net investment income	411			180			1			—			592
	Fee income	111			—			—			—			111
	Net realized investment gains (1)	2			7			1			—			10
	Other revenues	21			4			—			—			25
	Total revenues	4,541			2,083			2			—			6,626
	Claims and expenses
	Claims and claim adjustment expenses	2,309			1,122			—			—			3,431
	Amortization of deferred acquisition costs	642			321			—			—			963
	General and administrative expenses	695			292			5			—			992
	Interest expense	12			—			80			—			92
	Total claims and expenses	3,658			1,735			85			—			5,478
	Income (loss) before income taxes	883			348			(83		)	—			1,148
	Income tax expense (benefit)	251			93			(29		)	—			315
	Net income of subsidiaries	—			—			887			(887		)	—
	Net income	$	632		$	255		$	833		$	(887	)	$	833
	(1)     Total other-than-temporary impairment (OTTI) for the three months ended March 31, 2015, and the amounts comprising total OTTI that were recognized in net realized investment gains (losses) and in other comprehensive income (OCI) were as follows:
	(in millions)	TPC			Other			Travelers (2)			Eliminations			Consolidated
					Subsidiaries
	Total OTTI losses	$	(1	)	$	(3	)	$	—		$	—		$	(4	)
	OTTI losses recognized in net realized investment gains	$	(1	)	$	(2	)	$	—		$	—		$	(3	)
	OTTI losses recognized in OCI	$	—		$	(1	)	$	—		$	—		$	(1	)
	(2)     The Travelers Companies, Inc., excluding its subsidiaries.
	CONSOLIDATING STATEMENT OF INCOME (Unaudited)
	For the three months ended March 31, 2014
	(in millions)	TPC			Other			Travelers (2)			Eliminations			Consolidated
					Subsidiaries
	Revenues
	Premiums	$	3,944		$	1,879		$	—		$	—		$	5,823
	Net investment income	500			235			1			—			736
	Fee income	107			—			—			—			107
	Net realized investment gains (losses) (1)	1			(2		)	2			—			1
	Other revenues	33			8			—			—			41
	Total revenues	4,585			2,120			3			—			6,708
	Claims and expenses
	Claims and claim adjustment expenses	2,221			1,094			—			—			3,315
	Amortization of deferred acquisition costs	635			315			—			—			950
	General and administrative expenses	613			265			3			—			881
	Interest expense	12			—			80			—			92
	Total claims and expenses	3,481			1,674			83			—			5,238
	Income (loss) before income taxes	1,104			446			(80		)	—			1,470
	Income tax expense (benefit)	321			125			(28		)	—			418
	Net income of subsidiaries	—			—			1,104			(1,104		)	—
	Net income	$	783		$	321		$	1,052		$	(1,104	)	$	1,052
	(1)     Total other-than-temporary impairment (OTTI) for the three months ended March 31, 2014, and the amounts comprising total OTTI that were recognized in net realized investment gains (losses) and in other comprehensive income (OCI) were as follows:
	(in millions)	TPC			Other			Travelers (2)			Eliminations			Consolidated
					Subsidiaries
	Total OTTI losses	$	(2	)	$	(5	)	$	—		$	—		$	(7	)
	OTTI losses recognized in net realized investment gains (losses)	$	(4	)	$	(5	)	$	—		$	—		$	(9	)
	OTTI gains recognized in OCI	$	2		$	—		$	—		$	—		$	2
	(2)     The Travelers Companies, Inc., excluding its subsidiaries.
	CONSOLIDATING STATEMENT OF COMPREHENSIVE INCOME (Unaudited)
	For the three months ended March 31, 2015
	(in millions)	TPC			Other			Travelers (1)			Eliminations			Consolidated
					Subsidiaries
Net income	$	632		$	255		$	833		$	(887	)	$	833
Other comprehensive income (loss):
Changes in net unrealized gains on investment securities:
Having no credit losses recognized in the consolidated statement of income	134			33			2			—			169
Having credit losses recognized in the consolidated statement of income	(4		)	(1		)	—			—			(5		)
Net changes in benefit plan assets and obligations	—			1			23			—			24
Net changes in unrealized foreign currency translation	(179		)	(95		)	—			—			(274		)
Other comprehensive income (loss) before income taxes and other comprehensive loss of subsidiaries	(49		)	(62		)	25			—			(86		)
Income tax expense	14			3			8			—			25
Other comprehensive income (loss), net of taxes, before other comprehensive loss of subsidiaries	(63		)	(65		)	17			—			(111		)
Other comprehensive loss of subsidiaries	—			—			(128		)	128			—
Other comprehensive loss	(63		)	(65		)	(111		)	128			(111		)
Comprehensive income	$	569		$	190		$	722		$	(759	)	$	722
(1)     The Travelers Companies, Inc., excluding its subsidiaries.
CONSOLIDATING STATEMENT OF COMPREHENSIVE INCOME (Unaudited)
For the three months ended March 31, 2014
(in millions)	TPC			Other			Travelers (1)			Eliminations			Consolidated
				Subsidiaries
Net income	$	783		$	321		$	1,052		$	(1,104	)	$	1,052
Other comprehensive income:
Changes in net unrealized gains on investment securities:
Having no credit losses recognized in the consolidated statement of income	391			146			—			—			537
Having credit losses recognized in the consolidated statement of income	7			(5		)	—			—			2
Net changes in benefit plan assets and obligations	—			—			15			—			15
Net changes in unrealized foreign currency translation	(25		)	(18		)	—			—			(43		)
Other comprehensive income before income taxes and other comprehensive income of subsidiaries	373			123			15			—			511
Income tax expense	143			45			6			—			194
Other comprehensive income, net of taxes, before other comprehensive income of subsidiaries	230			78			9			—			317
Other comprehensive income of subsidiaries	—			—			308			(308		)	—
Other comprehensive income	230			78			317			(308		)	317
Comprehensive income	$	1,013		$	399		$	1,369		$	(1,412	)	$	1,369
(1)     The Travelers Companies, Inc., excluding its subsidiaries.
CONSOLIDATING BALANCE SHEET (Unaudited)
At March 31, 2015
(in millions)	TPC			Other			Travelers (1)			Eliminations			Consolidated
				Subsidiaries
Assets
Fixed maturities, available for sale, at fair value (amortized cost $59,916)	$	42,990		$	19,749		$	30		$	—		$	62,769
Equity securities, available for sale, at fair value (cost $563)	220			502			144			—			866
Real estate investments	56			873			—			—			929
Short-term securities	2,149			694			1,647			—			4,490
Other investments	2,627			937			1			—			3,565
Total investments	48,042			22,755			1,822			—			72,619
Cash	195			111			2			—			308
Investment income accrued	432			193			3			—			628
Premiums receivable	4,359			2,169			—			—			6,528
Reinsurance recoverables	6,093			3,049			—			—			9,142
Ceded unearned premiums	748			82			—			—			830
Deferred acquisition costs	1,636			211			—			—			1,847
Contractholder receivables	3,350			1,046			—			—			4,396
Goodwill	2,586			1,004			—			—			3,590
Other intangible assets	208			84			—			—			292
Investment in subsidiaries	—			—			28,798			(28,798		)	—
Other assets	2,082			413			16			—			2,511
Total assets	$	69,731		$	31,117		$	30,641		$	(28,798	)	$	102,691
Liabilities
Claims and claim adjustment expense reserves	$	32,482		$	16,512		$	—		$	—		$	48,994
Unearned premium reserves	8,323			3,631			—			—			11,954
Contractholder payables	3,350			1,046			—			—			4,396
Payables for reinsurance premiums	287			198			—			—			485
Deferred taxes	114			63			(51		)	—			126
Debt	692			—			5,657			—			6,349
Other liabilities	4,098			1,242			200			—			5,540
Total liabilities	49,346			22,692			5,806			—			77,844
Shareholders’ equity
Common stock (1,750.0 shares authorized; 318.7 shares issued and outstanding)	—			390			21,982			(390		)	21,982
Additional paid-in capital	11,634			6,502			—			(18,136		)	—
Retained earnings	7,752			1,098			27,894			(8,838		)	27,906
Accumulated other comprehensive income	999			435			769			(1,434		)	769
Treasury stock, at cost (443.6 shares)	—			—			(25,810		)	—			(25,810		)
Total shareholders’ equity	20,385			8,425			24,835			(28,798		)	24,847
Total liabilities and shareholders’ equity	$	69,731		$	31,117		$	30,641		$	(28,798	)	$	102,691
(1)     The Travelers Companies, Inc., excluding its subsidiaries.
CONSOLIDATING BALANCE SHEET (Unaudited)
At December 31, 2014
(in millions)	TPC			Other			Travelers (1)			Eliminations			Consolidated
				Subsidiaries
Assets
Fixed maturities, available for sale, at fair value (amortized cost $60,801)	$	43,401		$	20,043		$	30		$	—		$	63,474
Equity securities, available for sale, at fair value (cost $579)	236			522			141			—			899
Real estate investments	56			882			—			—			938
Short-term securities	2,128			706			1,530			—			4,364
Other investments	2,630			955			1			—			3,586
Total investments	48,451			23,108			1,702			—			73,261
Cash	221			151			2			—			374
Investment income accrued	468			215			2			—			685
Premiums receivable	4,241			2,057			—			—			6,298
Reinsurance recoverables	6,156			3,104			—			—			9,260
Ceded unearned premiums	608			70			—			—			678
Deferred acquisition costs	1,622			213			—			—			1,835
Deferred taxes	23			(40		)	50			—			33
Contractholder receivables	3,306			1,056			—			—			4,362
Goodwill	2,602			1,009			—			—			3,611
Other intangible assets	216			88			—			—			304
Investment in subsidiaries	—			—			28,821			(28,821		)	—
Other assets	1,931			429			17			—			2,377
Total assets	$	69,845		$	31,460		$	30,594		$	(28,821	)	$	103,078
Liabilities
Claims and claim adjustment expense reserves	$	32,999		$	16,851		$	—		$	—		$	49,850
Unearned premium reserves	8,201			3,638			—			—			11,839
Contractholder payables	3,306			1,056			—			—			4,362
Payables for reinsurance premiums	194			142			—			—			336
Debt	692			—			5,657			—			6,349
Other liabilities	4,084			1,308			114			—			5,506
Total liabilities	49,476			22,995			5,771			—			78,242
Shareholders’ equity
Common stock (1,750.0 shares authorized; 322.2 shares issued and outstanding)	—			390			21,843			(390		)	21,843
Additional paid-in capital	11,634			6,502			—			(18,136		)	—
Retained earnings	7,673			1,073			27,238			(8,733		)	27,251
Accumulated other comprehensive income	1,062			500			880			(1,562		)	880
Treasury stock, at cost (437.3 shares)	—			—			(25,138		)	—			(25,138		)
Total shareholders’ equity	20,369			8,465			24,823			(28,821		)	24,836
Total liabilities and shareholders’ equity	$	69,845		$	31,460		$	30,594		$	(28,821	)	$	103,078
(1)     The Travelers Companies, Inc., excluding its subsidiaries.
CONSOLIDATING STATEMENT OF CASH FLOWS (Unaudited)
For the three months ended March 31, 2015
(in millions)	TPC			Other			Travelers (1)			Eliminations			Consolidated
				Subsidiaries
Cash flows from operating activities
Net income	$	632		$	255		$	833		$	(887	)	$	833
Net adjustments to reconcile net income to net cash provided by (used in) operating activities	(405		)	(350		)	16			105			(634		)
Net cash provided by (used in) operating activities	227			(95		)	849			(782		)	199
Cash flows from investing activities
Proceeds from maturities of fixed maturities	1,851			979			—			—			2,830
Proceeds from sales of investments:
Fixed maturities	555			351						—			906
Equity securities	6			5			—			—			11
Real estate investments	—			7			—			—			7
Other investments	98			48			—			—			146
Purchases of investments:
Fixed maturities	(2,133		)	(1,192		)	—			—			(3,325		)
Equity securities	(1		)	(6		)	(1		)	—			(8		)
Real estate investments	—			(6		)	—			—			(6		)
Other investments	(139		)	(29		)	—			—			(168		)
Net (purchases) sales of short-term securities	(23		)	6			(117		)	—			(134		)
Securities transactions in course of settlement	175			130			—			—			305
Other	(89		)	(1		)	—			—			(90		)
Net cash provided by (used in) investing activities	300			292			(118		)	—			474
Cash flows from financing activities
Treasury stock acquired — share repurchase authorization	—			—			(600		)	—			(600		)
Treasury stock acquired — net employee share-based compensation	—			—			(71		)	—			(71		)
Dividends paid to shareholders	—			—			(177		)	—			(177		)
Issuance of common stock — employee share options	—			—			90			—			90
Excess tax benefits from share-based payment arrangements	—			—			27			—			27
Dividends paid to parent company	(552		)	(230		)	—			782			—
Net cash used in financing activities	(552		)	(230		)	(731		)	782			(731		)
Effect of exchange rate changes on cash	(1		)	(7		)	—			—			(8		)
Net decrease in cash	(26		)	(40		)	—			—			(66		)
Cash at beginning of year	221			151			2			—			374
Cash at end of period	$	195		$	111		$	2		$	—		$	308
Supplemental disclosure of cash flow information
Income taxes paid (received)	$	138		$	52		$	(64	)	$	—		$	126
Interest paid	$	16		$	—		$	18		$	—		$	34
(1)     The Travelers Companies, Inc., excluding its subsidiaries.
CONSOLIDATING STATEMENT OF CASH FLOWS (Unaudited)
For the three months ended March 31, 2014
(in millions)	TPC			Other			Travelers (1)			Eliminations			Consolidated
				Subsidiaries
Cash flows from operating activities
Net income	$	783		$	321		$	1,052		$	(1,104	)	$	1,052
Net adjustments to reconcile net income to net cash provided by operating activities	(90		)	(315		)	(191		)	247			(349		)
Net cash provided by operating activities	693			6			861			(857		)	703
Cash flows from investing activities
Proceeds from maturities of fixed maturities	1,334			977			1			—			2,312
Proceeds from sales of investments:
Fixed maturities	192			214			—			—			406
Equity securities	22			10			4			—			36
Real estate investments	—			1			—			—			1
Other investments	100			67			—			—			167
Purchases of investments:
Fixed maturities	(1,681		)	(1,030		)	(4		)	—			(2,715		)
Equity securities	(1		)	(13		)	(4		)	—			(18		)
Real estate investments	—			(9		)	—			—			(9		)
Other investments	(74		)	(39		)	—			—			(113		)
Net purchases of short-term securities	(73		)	(37		)	(50		)	—			(160		)
Securities transactions in course of settlement	183			56			1			—			240
Acquisition, net of cash acquired	(9		)	(3		)	—			—			(12		)
Other	(58		)	(2		)	—			—			(60		)
Net cash provided by (used in) investing activities	(65		)	192			(52		)	—			75
Cash flows from financing activities
Treasury stock acquired — share repurchase authorization	—			—			(650		)	—			(650		)
Treasury stock acquired — net employee share-based compensation	—			—			(54		)	—			(54		)
Dividends paid to shareholders	—			—			(176		)	—			(176		)
Issuance of common stock — employee share options	—			—			57			—			57
Excess tax benefits from share-based payment arrangements	—			—			13			—			13
Dividends paid to parent company	(625		)	(232		)	—			857			—
Net cash used in financing activities	(625		)	(232		)	(810		)	857			(810		)
Effect of exchange rate changes on cash	(1		)	(1		)	—			—			(2		)
Net increase (decrease) in cash	2			(35		)	(1		)	—			(34		)
Cash at beginning of year	137			154			3			—			294
Cash at end of period	$	139		$	119		$	2		$	—		$	260
Supplemental disclosure of cash flow information
Income taxes paid	$	64		$	15		$	14		$	—		$	93
Interest paid	$	16		$	—		$	18		$	—		$	34
(1)     The Travelers Companies, Inc., excluding its subsidiaries.

Basis_of_Presentation_and_Acco1

Basis of Presentation and Accounting Policies (policies)	3 Months Ended
	Mar. 31, 2015
Basis of Presentation and Accounting Policies disclosure
Accounting Policies, Basis of Presentation [Policy Text Block]	Basis of Presentation
	The interim consolidated financial statements include the accounts of The Travelers Companies, Inc. (together with its subsidiaries, the Company). These financial statements are prepared in conformity with U.S. generally accepted accounting principles (GAAP) and are unaudited.  In the opinion of the Company’s management, all adjustments necessary for a fair presentation have been reflected.  Certain financial information that is normally included in annual financial statements prepared in accordance with GAAP, but that is not required for interim reporting purposes, has been omitted.  All material intercompany transactions and balances have been eliminated.  The accompanying interim consolidated financial statements and related notes should be read in conjunction with the Company’s consolidated financial statements and related notes included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2014 (the Company’s 2014 Annual Report).
	The preparation of the interim consolidated financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the interim consolidated financial statements and the reported amounts of revenues and claims and expenses during the reporting period.  Actual results could differ from those estimates.  Certain reclassifications have been made to the 2014 financial statements to conform to the 2015 presentation, including reclassifications related to the realignment of the Company’s reportable business segments in July 2014 described in the Company’s 2014 Annual Report.
Accounting Policies, Adoption of Accounting Standards Updates [Policy Text Block]	Adoption of Accounting Standards Updates
	Reporting Discontinued Operations and Disclosures of Disposals of Components of an Entity
	In April 2014, the Financial Accounting Standards Board (FASB) issued revised guidance to reduce diversity in practice for reporting discontinued operations. Under the previous guidance, any component of an entity that was a reportable segment, an operating segment, a reporting unit, a subsidiary or an asset group was eligible for discontinued operations presentation. The revised guidance only allows disposals of components of an entity that represent a strategic shift (e.g., disposal of a major geographical area, a major line of business, a major equity method investment or other major parts of an entity) and that have a major effect on a reporting entity’s operations and financial results to be reported as discontinued operations. The revised guidance also requires expanded disclosure in the financial statements for discontinued operations as well as for disposals of significant components of an entity that do not qualify for discontinued operations presentation. The updated guidance was effective for the quarter ending March 31, 2015. The adoption of this guidance did not have any effect on the Company’s results of operations, financial position or liquidity.

Segment_Information_tables

Segment Information (tables)	3 Months Ended
	Mar. 31, 2015
Segment Information disclosure
Company's revenues and operating income by segment [Table Text Block]
	(for the three months	Business and			Bond & Specialty			Personal		Total
	ended March 31,	International			Insurance			Insurance		Reportable
	in millions)	Insurance								Segments
	2015
	Premiums	$	3,620		$	504		$	1,764	$	5,888
	Net investment income	454			56			82		592
	Fee income	111			—			—		111
	Other revenues	8			5			12		25
	Total operating revenues (1)	$	4,193		$	565		$	1,858	$	6,616
	Operating income (1)	$	515		$	124		$	252	$	891
	2014
	Premiums	$	3,558		$	503		$	1,762	$	5,823
	Net investment income	570			66			100		736
	Fee income	107			—			—		107
	Other revenues	12			4			26		42
	Total operating revenues (1)	$	4,247		$	573		$	1,888	$	6,708
	Operating income (1)	$	694		$	154		$	268	$	1,116
	(1)         Operating revenues for reportable business segments exclude net realized investment gains (losses). Operating income for reportable business segments equals net income excluding the after-tax impact of net realized investment gains (losses).
Business segment reconciliations of revenue and income, net of tax [Table Text Block]
		Three Months Ended
		March 31,
	(in millions)	2015			2014
	Revenue reconciliation
	Earned premiums
	Business and International Insurance:
	Domestic:
	Workers’ compensation	$	962		$	908
	Commercial automobile	469			468
	Commercial property	441			428
	General liability	472			447
	Commercial multi-peril	775			755
	Other	10			10
	Total Domestic	3,129			3,016
	International	491			542
	Total Business and International Insurance	3,620			3,558
	Bond & Specialty Insurance:
	Fidelity and surety	225			222
	General liability	236			237
	Other	43			44
	Total Bond & Specialty Insurance	504			503
	Personal Insurance:
	Automobile	836			815
	Homeowners and Other	928			947
	Total Personal Insurance	1,764			1,762
	Total earned premiums	5,888			5,823
	Net investment income	592			736
	Fee income	111			107
	Other revenues	25			42
	Total operating revenues for reportable segments	6,616			6,708
	Other revenues	—			(1		)
	Net realized investment gains	10			1
	Total consolidated revenues	$	6,626		$	6,708
	Income reconciliation, net of tax
	Total operating income for reportable segments	$	891		$	1,116
	Interest Expense and Other (1)	(64		)	(64		)
	Total operating income	827			1,052
	Net realized investment gains	6			—
	Total consolidated net income	$	833		$	1,052
	(1)     The primary component of Interest Expense and Other for the three months ended March 31, 2015 and 2014 was after-tax interest expense of $60 million
Asset reconciliation [Table Text Block]
	(in millions)	March 31,			December 31,
		2015			2014
	Asset reconciliation:
	Business and International Insurance	$	81,892		$	82,309
	Bond & Specialty Insurance	7,637			7,525
	Personal Insurance	12,859			12,798
	Total assets for reportable segments	102,388			102,632
	Other assets (1)	303			446
	Total consolidated assets	$	102,691		$	103,078
	(1)                  The primary component of other assets at March 31, 2015 was other intangible assets.  The primary components of other assets at December 31, 2014 were other intangible assets and deferred taxes.

Investments_tables

Investments (tables)	3 Months Ended
	Mar. 31, 2015
Investments disclosure
Amortized cost and fair value of investments in fixed maturities [Table Text Block]
		Amortized		Gross Unrealized				Fair
	(at March 31, 2015, in millions)	Cost		Gains		Losses		Value
	U.S. Treasury securities and obligations of U.S. government and government agencies and authorities	$	2,036	$	45	$	2	$	2,079
	Obligations of states, municipalities and political subdivisions:
	Pre-refunded	6,893		324		—		7,217
	All other	24,591		1,276		24		25,843
	Total obligations of states, municipalities and political subdivisions	31,484		1,600		24		33,060
	Debt securities issued by foreign governments	2,117		65		—		2,182
	Mortgage-backed securities, collateralized mortgage obligations and pass-through securities	1,986		170		3		2,153
	All other corporate bonds	22,180		1,036		45		23,171
	Redeemable preferred stock	113		11		—		124
	Total	$	59,916	$	2,927	$	74	$	62,769
		Amortized		Gross Unrealized				Fair
	(at December 31, 2014, in millions)	Cost		Gains		Losses		Value
	U.S. Treasury securities and obligations of U.S. government and government agencies and authorities	$	2,022	$	36	$	5	$	2,053
	Obligations of states, municipalities and political subdivisions:
	Pre-refunded	7,229		332		—		7,561
	All other	24,666		1,356		10		26,012
	Total obligations of states, municipalities and political subdivisions	31,895		1,688		10		33,573
	Debt securities issued by foreign governments	2,320		48		—		2,368
	Mortgage-backed securities, collateralized mortgage obligations and pass-through securities	2,052		165		4		2,213
	All other corporate bonds	22,390		844		99		23,135
	Redeemable preferred stock	122		10		—		132
	Total	$	60,801	$	2,791	$	118	$	63,474
Cost and fair value of investments in equity securities [Table Text Block]				Gross Unrealized				Fair
	(at March 31, 2015, in millions)	Cost		Gains		Losses		Value
	Public common stock	$	399	$	278	$	3	$	674
	Non-redeemable preferred stock	164		30		2		192
	Total	$	563	$	308	$	5	$	866
				Gross Unrealized				Fair
	(at December 31, 2014, in millions)	Cost		Gains		Losses		Value
	Public common stock	$	400	$	295	$	4	$	691
	Non-redeemable preferred stock	179		31		2		208
	Total	$	579	$	326	$	6	$	899
Unrealized investment losses [Table Text Block]
		Less than 12 months				12 months or longer				Total
				Gross				Gross				Gross
		Fair		Unrealized		Fair		Unrealized		Fair		Unrealized
	(at March 31, 2015, in millions)	Value		Losses		Value		Losses		Value		Losses
	Fixed maturities
	U.S. Treasury securities and obligations of U.S. government and government agencies and authorities	$	500	$	2	$	15	$	—	$	515	$	2
	Obligations of states, municipalities and political subdivisions	1,884		20		143		4		2,027		24
	Debt securities issued by foreign governments	75		—		—		—		75		—
	Mortgage-backed securities, collateralized mortgage obligations and pass-through securities	60		—		133		3		193		3
	All other corporate bonds	1,494		27		593		18		2,087		45
	Redeemable preferred stock	1		—		—		—		1		—
	Total fixed maturities	4,014		49		884		25		4,898		74
	Equity securities
	Public common stock	74		3		1		—		75		3
	Non-redeemable preferred stock	72		1		30		1		102		2
	Total equity securities	146		4		31		1		177		5
	Total	$	4,160	$	53	$	915	$	26	$	5,075	$	79
		Less than 12 months				12 months or longer				Total
				Gross				Gross				Gross
		Fair		Unrealized		Fair		Unrealized		Fair		Unrealized
	(at December 31, 2014, in millions)	Value		Losses		Value		Losses		Value		Losses
	Fixed maturities
	U.S. Treasury securities and obligations of U.S. government and government agencies and authorities	$	180	$	2	$	125	$	3	$	305	$	5
	Obligations of states, municipalities and political subdivisions	173		1		797		9		970		10
	Debt securities issued by foreign governments	50		—		24		—		74		—
	Mortgage-backed securities, collateralized mortgage obligations and pass-through securities	68		—		192		4		260		4
	All other corporate bonds	2,148		38		2,355		61		4,503		99
	Total fixed maturities	2,619		41		3,493		77		6,112		118
	Equity securities
	Public common stock	81		4		1		—		82		4
	Non-redeemable preferred stock	44		1		42		1		86		2
	Total equity securities	125		5		43		1		168		6
	Total	$	2,744	$	46	$	3,536	$	78	$	6,280	$	124

Fair_Value_Measurements_tables

Fair Value Measurements (tables)	3 Months Ended
	Mar. 31, 2015
Fair Value Measurements disclosure
Level within the fair value hierarchy at which the Company's financial assets and financial liabilities reported at fair value are measured [Table Text Block]
	(at March 31, 2015, in millions)	Total		Level 1		Level 2		Level 3
	Invested assets:
	Fixed maturities
	U.S. Treasury securities and obligations of U.S. government and government agencies and authorities	$	2,079	$	2,075	$	4	$	—
	Obligations of states, municipalities and political subdivisions	33,060		67		32,980		13
	Debt securities issued by foreign governments	2,182		—		2,182		—
	Mortgage-backed securities, collateralized mortgage obligations and pass-through securities	2,153		—		2,135		18
	All other corporate bonds	23,171		12		22,985		174
	Redeemable preferred stock	124		—		117		7
	Total fixed maturities	62,769		2,154		60,403		212
	Equity securities
	Public common stock	674		674		—		—
	Non-redeemable preferred stock	192		73		119		—
	Total equity securities	866		747		119		—
	Other investments	56		18		—		38
	Total	$	63,691	$	2,919	$	60,522	$	250
	(at December 31, 2014, in millions)	Total		Level 1		Level 2		Level 3
	Invested assets:
	Fixed maturities
	U.S. Treasury securities and obligations of U.S. government and government agencies and authorities	$	2,053	$	2,049	$	4	$	—
	Obligations of states, municipalities and political subdivisions	33,573		—		33,560		13
	Debt securities issued by foreign governments	2,368		—		2,368		—
	Mortgage-backed securities, collateralized mortgage obligations and pass-through securities	2,213		—		2,203		10
	All other corporate bonds	23,135		—		22,934		201
	Redeemable preferred stock	132		2		122		8
	Total fixed maturities	63,474		2,051		61,191		232
	Equity securities
	Public common stock	691		691		—		—
	Non-redeemable preferred stock	208		82		126		—
	Total equity securities	899		773		126		—
	Other investments	55		19		—		36
	Total	$	64,428	$	2,843	$	61,317	$	268
Carrying value and fair value of financial instruments disclosed, but not carried, at fair value and the level within the fair value hierarchy at which such financial instruments are categorized [Table Text Block]
	(at March 31, 2015, in millions)	Carrying		Fair		Level 1		Level 2		Level 3
		Value		Value
	Financial assets:
	Short-term securities	$	4,490	$	4,490	$	1,238	$	3,215	$	37
	Financial liabilities:
	Debt	$	6,249	$	7,654	$	—	$	7,654	$	—
	Commercial paper	$	100	$	100	$	—	$	100	$	—
	(at December 31, 2014, in millions)	Carrying		Fair		Level 1		Level 2		Level 3
		Value		Value
	Financial assets:
	Short-term securities	$	4,364	$	4,364	$	1,283	$	3,042	$	39
	Financial liabilities:
	Debt	$	6,249	$	7,522	$	—	$	7,522	$	—
	Commercial paper	$	100	$	100	$	—	$	100	$	—

Goodwill_and_Other_Intangible_1

Goodwill and Other Intangible Assets (tables)	3 Months Ended
	Mar. 31, 2015
Goodwill and Other Intangible Assets disclosure
Goodwill by segment [Table Text Block]
	(in millions)	March 31,		December 31,
		2015		2014
	Business and International Insurance (1)	$	2,455	$	2,476
	Bond & Specialty Insurance	495		495
	Personal Insurance	613		613
	Other	27		27
	Total	$	3,590	$	3,611
	(1)     Includes goodwill associated with the Company’s international businesses, which are subject to the impact of changes in foreign currency exchange rates.
Other intangible assets by major asset class [Table Text Block]
	(at March 31, 2015, in millions)	Gross		Accumulated		Net
		Carrying		Amortization
		Amount
	Intangibles subject to amortization
	Customer-related	$	460	$	454	$	6
	Fair value adjustment on claims and claim adjustment expense reserves, reinsurance recoverables and other contract-related intangibles (1)	208		139		69
	Total intangible assets subject to amortization	668		593		75
	Intangible assets not subject to amortization	217		—		217
	Total other intangible assets	$	885	$	593	$	292
	(at December 31, 2014, in millions)	Gross		Accumulated		Net
		Carrying		Amortization
		Amount
	Intangibles subject to amortization
	Customer-related	$	460	$	446	$	14
	Fair value adjustment on claims and claim adjustment expense reserves, reinsurance recoverables and other contract-related intangibles (1)	209		136		73
	Total intangible assets subject to amortization	669		582		87
	Intangible assets not subject to amortization	217		—		217
	Total other intangible assets	$	886	$	582	$	304
	(1)     The time value of money and the risk adjustment (cost of capital) components of the intangible asset run off at different rates, and, as such, the amount recognized in income may be a net benefit in some periods and a net expense in other periods.
Amortization expense for other intangible assets by major asset class [Table Text Block]
	(for the three months ended March 31, in millions)	2015		2014
	Customer-related	$	8	$	8
	Fair value adjustment on claims and claim adjustment expense reserves, reinsurance recoverables and other contract-related intangibles	3		4
	Total amortization expense	$	11	$	12

Other_Comprehensive_Income_and1

Other Comprehensive Income and Accumulated Other Comprehensive Income (tables)	3 Months Ended
	Mar. 31, 2015
Other Comprehensive Income and Accumulated Other Comprehensive Income disclosure
Changes in accumulated other comprehensive income (AOCI) [Table Text Block]
	(in millions)	Changes in Net			Changes in Net			Net Benefit Plan			Net Unrealized			Total Accumulated
		Unrealized Gains on			Unrealized Gains on			Assets and			Foreign Currency			Other
		Investment			Investment			Obligations			Translation			Comprehensive
		Securities Having No			Securities Having			Recognized in						Income
		Credit Losses			Credit Losses			Shareholders’ Equity
		Recognized in the			Recognized in the
		Consolidated			Consolidated
		Statement of Income			Statement of Income
	Balance, December 31, 2014	$	1,768		$	198		$	(755	)	$	(331	)	$	880
	Other comprehensive income (loss) (OCI) before reclassifications	125			(3		)	1			(237		)	(114		)
	Amounts reclassified from AOCI	(12		)	—			15			—			3
	Net OCI, current period	113			(3		)	16			(237		)	(111		)
	Balance, March 31, 2015	$	1,881		$	195		$	(739	)	$	(568	)	$	769
Pretax components of other comprehensive income (loss) and the related income tax expense (benefit) for each component [Table Text Block]
	(for the three months ended March 31, in millions)	2015			2014
	Changes in net unrealized gains on investment securities:
	Having no credit losses recognized in the consolidated statement of income	$	169		$	537
	Income tax expense	56			186
	Net of taxes	113			351
	Having credit losses recognized in the consolidated statement of income	(5		)	2
	Income tax expense (benefit)	(2		)	1
	Net of taxes	(3		)	1
	Net changes in benefit plan assets and obligations	24			15
	Income tax expense	8			7
	Net of taxes	16			8
	Net changes in unrealized foreign currency translation	(274		)	(43		)
	Income tax benefit	(37		)	—
	Net of taxes	(237		)	(43		)
	Total other comprehensive income (loss)	(86		)	511
	Total income tax expense	25			194
	Total other comprehensive income (loss), net of taxes	$	(111	)	$	317
Pretax components of the amounts reclassified from accumulated other comprehensive income and the related income tax (expense) benefit for each component [Table Text Block]
	(for the three months ended March 31, in millions)	2015			2014
	Reclassification adjustments related to unrealized gains on investment securities:
	Having no credit losses recognized in the consolidated statement of income (1)	$	(18	)	$	(5	)
	Income tax expense (2)	(6		)	(2		)
	Net of taxes	(12		)	(3		)
	Having credit losses recognized in the consolidated statement of income (1)	—			3
	Income tax benefit (2)	—			1
	Net of taxes	—			2
	Reclassification adjustment related to benefit plan assets and obligations (3)	23			15
	Income tax benefit (2)	8			7
	Net of taxes	15			8
	Reclassification adjustment related to foreign currency translation (1)	—			—
	Income tax benefit (2)	—			—
	Net of taxes	—			—
	Total reclassifications	5			13
	Total income tax benefit	2			6
	Total reclassifications, net of taxes	$	3		$	7
	(1)     (Increases) decreases net realized investment gains (losses) on the consolidated statement of income.
	(2)     (Increases) decreases income tax expense on the consolidated statement of income.
	(3)     Increases (decreases) general and administrative expenses on the consolidated statement of income.

Earnings_per_Share_table

Earnings per Share (table)	3 Months Ended
	Mar. 31, 2015
Earnings per Share disclosure
Earnings per share reconciliation [Table Text Block]
		Three Months Ended
		March 31,
	(in millions, except per share amounts)	2015			2014
	Basic and Diluted
	Net income, as reported	$	833		$	1,052
	Participating share-based awards — allocated income	(6		)	(7		)
	Net income available to common shareholders — basic and diluted	$	827		$	1,045
	Common Shares
	Basic
	Weighted average shares outstanding	320.8			350.9
	Diluted
	Weighted average shares outstanding	320.8			350.9
	Weighted average effects of dilutive securities — stock options and performance shares	3.7			3.7
	Total	324.5			354.6
	Net Income per Common Share
	Basic	$	2.58		$	2.98
	Diluted	$	2.55		$	2.95

ShareBased_Incentive_Compensat1

Share-Based Incentive Compensation (table)	3 Months Ended
	Mar. 31, 2015
Share-Based Incentive Compensation disclosure
Information for fully vested stock option awards [Table Text Block]
	Stock Options	Number	Weighted		Weighted	Aggregate
			Average		Average	Intrinsic
			Exercise		Contractual	Value
			Price		Life	($ in millions)
					Remaining
	Vested at end of period (1)	8,185,698	$	66.29	6.5 Years	$	342
	Exercisable at end of period	5,234,347	$	53.23	5.1 Years	$	287
	(1)     Represents awards for which the requisite service has been rendered, including those that are retirement eligible.

Pension_Plans_Retirement_Benef1

Pension Plans, Retirement Benefits and Savings Plans (table)	3 Months Ended
	Mar. 31, 2015
Pension Plans, Retirement Benefits and Savings Plans disclosure
Summary of the components of net periodic benefit cost for the Company's pension and postretirement benefit plans recognized in the consolidated statement of income [Table Text Block]
		Pension Plans						Postretirement Benefit Plans
	(for the three months ended March 31, in millions)	2015			2014			2015			2014
	Net Periodic Benefit Cost:
	Service cost	$	33		$	27		$	—		$	—
	Interest cost on benefit obligation	36			38			3			2
	Expected return on plan assets	(58		)	(54		)	—			—
	Amortization of unrecognized:
	Prior service benefit	—			—			(1		)	(1		)
	Net actuarial loss	24			16			—			—
	Net periodic benefit cost	$	35		$	27		$	2		$	1

Consolidating_Financial_Statem1

Consolidating Financial Statements (Unaudited) (tables)	3 Months Ended
	Mar. 31, 2015
Consolidating Financial Statements of The Travelers Companies, Inc. and Subsidiaries (Unaudited) disclosure
Consolidating Statement of Income (Unaudited) [Table Text Block]
	CONSOLIDATING STATEMENT OF INCOME (Unaudited)
	For the three months ended March 31, 2015
	(in millions)	TPC			Other			Travelers (2)			Eliminations			Consolidated
					Subsidiaries
	Revenues
	Premiums	$	3,996		$	1,892		$	—		$	—		$	5,888
	Net investment income	411			180			1			—			592
	Fee income	111			—			—			—			111
	Net realized investment gains (1)	2			7			1			—			10
	Other revenues	21			4			—			—			25
	Total revenues	4,541			2,083			2			—			6,626
	Claims and expenses
	Claims and claim adjustment expenses	2,309			1,122			—			—			3,431
	Amortization of deferred acquisition costs	642			321			—			—			963
	General and administrative expenses	695			292			5			—			992
	Interest expense	12			—			80			—			92
	Total claims and expenses	3,658			1,735			85			—			5,478
	Income (loss) before income taxes	883			348			(83		)	—			1,148
	Income tax expense (benefit)	251			93			(29		)	—			315
	Net income of subsidiaries	—			—			887			(887		)	—
	Net income	$	632		$	255		$	833		$	(887	)	$	833
	(1)     Total other-than-temporary impairment (OTTI) for the three months ended March 31, 2015, and the amounts comprising total OTTI that were recognized in net realized investment gains (losses) and in other comprehensive income (OCI) were as follows:
	(in millions)	TPC			Other			Travelers (2)			Eliminations			Consolidated
					Subsidiaries
	Total OTTI losses	$	(1	)	$	(3	)	$	—		$	—		$	(4	)
	OTTI losses recognized in net realized investment gains	$	(1	)	$	(2	)	$	—		$	—		$	(3	)
	OTTI losses recognized in OCI	$	—		$	(1	)	$	—		$	—		$	(1	)
	(2)     The Travelers Companies, Inc., excluding its subsidiaries.
	CONSOLIDATING STATEMENT OF INCOME (Unaudited)
	For the three months ended March 31, 2014
	(in millions)	TPC			Other			Travelers (2)			Eliminations			Consolidated
					Subsidiaries
	Revenues
	Premiums	$	3,944		$	1,879		$	—		$	—		$	5,823
	Net investment income	500			235			1			—			736
	Fee income	107			—			—			—			107
	Net realized investment gains (losses) (1)	1			(2		)	2			—			1
	Other revenues	33			8			—			—			41
	Total revenues	4,585			2,120			3			—			6,708
	Claims and expenses
	Claims and claim adjustment expenses	2,221			1,094			—			—			3,315
	Amortization of deferred acquisition costs	635			315			—			—			950
	General and administrative expenses	613			265			3			—			881
	Interest expense	12			—			80			—			92
	Total claims and expenses	3,481			1,674			83			—			5,238
	Income (loss) before income taxes	1,104			446			(80		)	—			1,470
	Income tax expense (benefit)	321			125			(28		)	—			418
	Net income of subsidiaries	—			—			1,104			(1,104		)	—
	Net income	$	783		$	321		$	1,052		$	(1,104	)	$	1,052
	(1)     Total other-than-temporary impairment (OTTI) for the three months ended March 31, 2014, and the amounts comprising total OTTI that were recognized in net realized investment gains (losses) and in other comprehensive income (OCI) were as follows:
	(in millions)	TPC			Other			Travelers (2)			Eliminations			Consolidated
					Subsidiaries
	Total OTTI losses	$	(2	)	$	(5	)	$	—		$	—		$	(7	)
	OTTI losses recognized in net realized investment gains (losses)	$	(4	)	$	(5	)	$	—		$	—		$	(9	)
	OTTI gains recognized in OCI	$	2		$	—		$	—		$	—		$	2
	(2)     The Travelers Companies, Inc., excluding its subsidiaries.
Consolidating Statement of Comprehensive Income (Unaudited) [Table Text Block]
	CONSOLIDATING STATEMENT OF COMPREHENSIVE INCOME (Unaudited)
	For the three months ended March 31, 2015
	(in millions)	TPC			Other			Travelers (1)			Eliminations			Consolidated
					Subsidiaries
	Net income	$	632		$	255		$	833		$	(887	)	$	833
	Other comprehensive income (loss):
	Changes in net unrealized gains on investment securities:
	Having no credit losses recognized in the consolidated statement of income	134			33			2			—			169
	Having credit losses recognized in the consolidated statement of income	(4		)	(1		)	—			—			(5		)
	Net changes in benefit plan assets and obligations	—			1			23			—			24
	Net changes in unrealized foreign currency translation	(179		)	(95		)	—			—			(274		)
	Other comprehensive income (loss) before income taxes and other comprehensive loss of subsidiaries	(49		)	(62		)	25			—			(86		)
	Income tax expense	14			3			8			—			25
	Other comprehensive income (loss), net of taxes, before other comprehensive loss of subsidiaries	(63		)	(65		)	17			—			(111		)
	Other comprehensive loss of subsidiaries	—			—			(128		)	128			—
	Other comprehensive loss	(63		)	(65		)	(111		)	128			(111		)
	Comprehensive income	$	569		$	190		$	722		$	(759	)	$	722
	(1)     The Travelers Companies, Inc., excluding its subsidiaries.
	CONSOLIDATING STATEMENT OF COMPREHENSIVE INCOME (Unaudited)
	For the three months ended March 31, 2014
	(in millions)	TPC			Other			Travelers (1)			Eliminations			Consolidated
					Subsidiaries
	Net income	$	783		$	321		$	1,052		$	(1,104	)	$	1,052
	Other comprehensive income:
	Changes in net unrealized gains on investment securities:
	Having no credit losses recognized in the consolidated statement of income	391			146			—			—			537
	Having credit losses recognized in the consolidated statement of income	7			(5		)	—			—			2
	Net changes in benefit plan assets and obligations	—			—			15			—			15
	Net changes in unrealized foreign currency translation	(25		)	(18		)	—			—			(43		)
	Other comprehensive income before income taxes and other comprehensive income of subsidiaries	373			123			15			—			511
	Income tax expense	143			45			6			—			194
	Other comprehensive income, net of taxes, before other comprehensive income of subsidiaries	230			78			9			—			317
	Other comprehensive income of subsidiaries	—			—			308			(308		)	—
	Other comprehensive income	230			78			317			(308		)	317
	Comprehensive income	$	1,013		$	399		$	1,369		$	(1,412	)	$	1,369
	(1)     The Travelers Companies, Inc., excluding its subsidiaries.
Consolidating Balance Sheet (Unaudited) [Table Text Block]
	CONSOLIDATING BALANCE SHEET (Unaudited)
	At March 31, 2015
	(in millions)	TPC			Other			Travelers (1)			Eliminations			Consolidated
					Subsidiaries
	Assets
	Fixed maturities, available for sale, at fair value (amortized cost $59,916)	$	42,990		$	19,749		$	30		$	—		$	62,769
	Equity securities, available for sale, at fair value (cost $563)	220			502			144			—			866
	Real estate investments	56			873			—			—			929
	Short-term securities	2,149			694			1,647			—			4,490
	Other investments	2,627			937			1			—			3,565
	Total investments	48,042			22,755			1,822			—			72,619
	Cash	195			111			2			—			308
	Investment income accrued	432			193			3			—			628
	Premiums receivable	4,359			2,169			—			—			6,528
	Reinsurance recoverables	6,093			3,049			—			—			9,142
	Ceded unearned premiums	748			82			—			—			830
	Deferred acquisition costs	1,636			211			—			—			1,847
	Contractholder receivables	3,350			1,046			—			—			4,396
	Goodwill	2,586			1,004			—			—			3,590
	Other intangible assets	208			84			—			—			292
	Investment in subsidiaries	—			—			28,798			(28,798		)	—
	Other assets	2,082			413			16			—			2,511
	Total assets	$	69,731		$	31,117		$	30,641		$	(28,798	)	$	102,691
	Liabilities
	Claims and claim adjustment expense reserves	$	32,482		$	16,512		$	—		$	—		$	48,994
	Unearned premium reserves	8,323			3,631			—			—			11,954
	Contractholder payables	3,350			1,046			—			—			4,396
	Payables for reinsurance premiums	287			198			—			—			485
	Deferred taxes	114			63			(51		)	—			126
	Debt	692			—			5,657			—			6,349
	Other liabilities	4,098			1,242			200			—			5,540
	Total liabilities	49,346			22,692			5,806			—			77,844
	Shareholders’ equity
	Common stock (1,750.0 shares authorized; 318.7 shares issued and outstanding)	—			390			21,982			(390		)	21,982
	Additional paid-in capital	11,634			6,502			—			(18,136		)	—
	Retained earnings	7,752			1,098			27,894			(8,838		)	27,906
	Accumulated other comprehensive income	999			435			769			(1,434		)	769
	Treasury stock, at cost (443.6 shares)	—			—			(25,810		)	—			(25,810		)
	Total shareholders’ equity	20,385			8,425			24,835			(28,798		)	24,847
	Total liabilities and shareholders’ equity	$	69,731		$	31,117		$	30,641		$	(28,798	)	$	102,691
	(1)     The Travelers Companies, Inc., excluding its subsidiaries.
	CONSOLIDATING BALANCE SHEET (Unaudited)
	At December 31, 2014
	(in millions)	TPC			Other			Travelers (1)			Eliminations			Consolidated
					Subsidiaries
	Assets
	Fixed maturities, available for sale, at fair value (amortized cost $60,801)	$	43,401		$	20,043		$	30		$	—		$	63,474
	Equity securities, available for sale, at fair value (cost $579)	236			522			141			—			899
	Real estate investments	56			882			—			—			938
	Short-term securities	2,128			706			1,530			—			4,364
	Other investments	2,630			955			1			—			3,586
	Total investments	48,451			23,108			1,702			—			73,261
	Cash	221			151			2			—			374
	Investment income accrued	468			215			2			—			685
	Premiums receivable	4,241			2,057			—			—			6,298
	Reinsurance recoverables	6,156			3,104			—			—			9,260
	Ceded unearned premiums	608			70			—			—			678
	Deferred acquisition costs	1,622			213			—			—			1,835
	Deferred taxes	23			(40		)	50			—			33
	Contractholder receivables	3,306			1,056			—			—			4,362
	Goodwill	2,602			1,009			—			—			3,611
	Other intangible assets	216			88			—			—			304
	Investment in subsidiaries	—			—			28,821			(28,821		)	—
Other assets	1,931			429			17			—			2,377
Total assets	$	69,845		$	31,460		$	30,594		$	(28,821	)	$	103,078
Liabilities
Claims and claim adjustment expense reserves	$	32,999		$	16,851		$	—		$	—		$	49,850
Unearned premium reserves	8,201			3,638			—			—			11,839
Contractholder payables	3,306			1,056			—			—			4,362
Payables for reinsurance premiums	194			142			—			—			336
Debt	692			—			5,657			—			6,349
Other liabilities	4,084			1,308			114			—			5,506
Total liabilities	49,476			22,995			5,771			—			78,242
Shareholders’ equity
Common stock (1,750.0 shares authorized; 322.2 shares issued and outstanding)	—			390			21,843			(390		)	21,843
Additional paid-in capital	11,634			6,502			—			(18,136		)	—
Retained earnings	7,673			1,073			27,238			(8,733		)	27,251
Accumulated other comprehensive income	1,062			500			880			(1,562		)	880
Treasury stock, at cost (437.3 shares)	—			—			(25,138		)	—			(25,138		)
Total shareholders’ equity	20,369			8,465			24,823			(28,821		)	24,836
Total liabilities and shareholders’ equity	$	69,845		$	31,460		$	30,594		$	(28,821	)	$	103,078
(1)     The Travelers Companies, Inc., excluding its subsidiaries.
Consolidating Statement of Cash Flows (Unaudited) [Table Text Block]
	CONSOLIDATING STATEMENT OF CASH FLOWS (Unaudited)
	For the three months ended March 31, 2015
	(in millions)	TPC			Other			Travelers (1)			Eliminations			Consolidated
					Subsidiaries
	Cash flows from operating activities
	Net income	$	632		$	255		$	833		$	(887	)	$	833
	Net adjustments to reconcile net income to net cash provided by (used in) operating activities	(405		)	(350		)	16			105			(634		)
	Net cash provided by (used in) operating activities	227			(95		)	849			(782		)	199
	Cash flows from investing activities
	Proceeds from maturities of fixed maturities	1,851			979			—			—			2,830
	Proceeds from sales of investments:
	Fixed maturities	555			351						—			906
	Equity securities	6			5			—			—			11
	Real estate investments	—			7			—			—			7
	Other investments	98			48			—			—			146
	Purchases of investments:
	Fixed maturities	(2,133		)	(1,192		)	—			—			(3,325		)
	Equity securities	(1		)	(6		)	(1		)	—			(8		)
	Real estate investments	—			(6		)	—			—			(6		)
	Other investments	(139		)	(29		)	—			—			(168		)
	Net (purchases) sales of short-term securities	(23		)	6			(117		)	—			(134		)
	Securities transactions in course of settlement	175			130			—			—			305
	Other	(89		)	(1		)	—			—			(90		)
	Net cash provided by (used in) investing activities	300			292			(118		)	—			474
	Cash flows from financing activities
	Treasury stock acquired — share repurchase authorization	—			—			(600		)	—			(600		)
	Treasury stock acquired — net employee share-based compensation	—			—			(71		)	—			(71		)
	Dividends paid to shareholders	—			—			(177		)	—			(177		)
	Issuance of common stock — employee share options	—			—			90			—			90
	Excess tax benefits from share-based payment arrangements	—			—			27			—			27
	Dividends paid to parent company	(552		)	(230		)	—			782			—
	Net cash used in financing activities	(552		)	(230		)	(731		)	782			(731		)
	Effect of exchange rate changes on cash	(1		)	(7		)	—			—			(8		)
	Net decrease in cash	(26		)	(40		)	—			—			(66		)
	Cash at beginning of year	221			151			2			—			374
	Cash at end of period	$	195		$	111		$	2		$	—		$	308
	Supplemental disclosure of cash flow information
	Income taxes paid (received)	$	138		$	52		$	(64	)	$	—		$	126
	Interest paid	$	16		$	—		$	18		$	—		$	34
	(1)     The Travelers Companies, Inc., excluding its subsidiaries.
	CONSOLIDATING STATEMENT OF CASH FLOWS (Unaudited)
	For the three months ended March 31, 2014
	(in millions)	TPC			Other			Travelers (1)			Eliminations			Consolidated
					Subsidiaries
	Cash flows from operating activities
	Net income	$	783		$	321		$	1,052		$	(1,104	)	$	1,052
	Net adjustments to reconcile net income to net cash provided by operating activities	(90		)	(315		)	(191		)	247			(349		)
	Net cash provided by operating activities	693			6			861			(857		)	703
	Cash flows from investing activities
	Proceeds from maturities of fixed maturities	1,334			977			1			—			2,312
	Proceeds from sales of investments:
	Fixed maturities	192			214			—			—			406
	Equity securities	22			10			4			—			36
	Real estate investments	—			1			—			—			1
	Other investments	100			67			—			—			167
	Purchases of investments:
	Fixed maturities	(1,681		)	(1,030		)	(4		)	—			(2,715		)
	Equity securities	(1		)	(13		)	(4		)	—			(18		)
	Real estate investments	—			(9		)	—			—			(9		)
	Other investments	(74		)	(39		)	—			—			(113		)
	Net purchases of short-term securities	(73		)	(37		)	(50		)	—			(160		)
	Securities transactions in course of settlement	183			56			1			—			240
	Acquisition, net of cash acquired	(9		)	(3		)	—			—			(12		)
Other	(58		)	(2		)	—			—			(60		)
Net cash provided by (used in) investing activities	(65		)	192			(52		)	—			75
Cash flows from financing activities
Treasury stock acquired — share repurchase authorization	—			—			(650		)	—			(650		)
Treasury stock acquired — net employee share-based compensation	—			—			(54		)	—			(54		)
Dividends paid to shareholders	—			—			(176		)	—			(176		)
Issuance of common stock — employee share options	—			—			57			—			57
Excess tax benefits from share-based payment arrangements	—			—			13			—			13
Dividends paid to parent company	(625		)	(232		)	—			857			—
Net cash used in financing activities	(625		)	(232		)	(810		)	857			(810		)
Effect of exchange rate changes on cash	(1		)	(1		)	—			—			(2		)
Net increase (decrease) in cash	2			(35		)	(1		)	—			(34		)
Cash at beginning of year	137			154			3			—			294
Cash at end of period	$	139		$	119		$	2		$	—		$	260
Supplemental disclosure of cash flow information
Income taxes paid	$	64		$	15		$	14		$	—		$	93
Interest paid	$	16		$	—		$	18		$	—		$	34
(1)     The Travelers Companies, Inc., excluding its subsidiaries.

Basis_of_Presentation_and_Acco2

Basis of Presentation and Accounting Policies (details)	3 Months Ended
	Mar. 31, 2015
	item
Basis of Presentation and Accounting Policies disclosure
Number of reportable business segments	3

Segment_Information_details

Segment Information (details) (USD $)	3 Months Ended
In Millions, unless otherwise specified	Mar. 31, 2015		Mar. 31, 2014
Segment reporting information
Premiums	$5,888		$5,823
Net investment income	592		736
Fee income	111		107
Other revenues	25		41
Operating income (loss)	827		1,052
Net realized investment gains	10	[1]	1	[1]
Total revenues	6,626		6,708
Net realized investment gains, net of tax	6
Net income	833		1,052
Reportable Segments [Member]
Segment reporting information
Premiums	5,888		5,823
Net investment income	592		736
Fee income	111		107
Other revenues	25		42
Total operating revenues	6,616		6,708
Operating income (loss)	891		1,116
Reportable Segments [Member] | Business and International Insurance [Member]
Segment reporting information
Premiums	3,620		3,558
Net investment income	454		570
Fee income	111		107
Other revenues	8		12
Total operating revenues	4,193		4,247
Operating income (loss)	515		694
Reportable Segments [Member] | Business and International Insurance [Member] | Domestic [Member]
Segment reporting information
Premiums	3,129		3,016
Reportable Segments [Member] | Business and International Insurance [Member] | Domestic [Member] | Workers' compensation [Member]
Segment reporting information
Premiums	962		908
Reportable Segments [Member] | Business and International Insurance [Member] | Domestic [Member] | Automobile [Member]
Segment reporting information
Premiums	469		468
Reportable Segments [Member] | Business and International Insurance [Member] | Domestic [Member] | Commercial Property [Member]
Segment reporting information
Premiums	441		428
Reportable Segments [Member] | Business and International Insurance [Member] | Domestic [Member] | General Liability [Member]
Segment reporting information
Premiums	472		447
Reportable Segments [Member] | Business and International Insurance [Member] | Domestic [Member] | Commercial multi-peril [Member]
Segment reporting information
Premiums	775		755
Reportable Segments [Member] | Business and International Insurance [Member] | Domestic [Member] | Other [Member]
Segment reporting information
Premiums	10		10
Reportable Segments [Member] | Business and International Insurance [Member] | International [Member]
Segment reporting information
Premiums	491		542
Reportable Segments [Member] | Bond & Specialty Insurance [Member]
Segment reporting information
Premiums	504		503
Net investment income	56		66
Other revenues	5		4
Total operating revenues	565		573
Operating income (loss)	124		154
Reportable Segments [Member] | Bond & Specialty Insurance [Member] | General Liability [Member]
Segment reporting information
Premiums	236		237
Reportable Segments [Member] | Bond & Specialty Insurance [Member] | Fidelity and surety [Member]
Segment reporting information
Premiums	225		222
Reportable Segments [Member] | Bond & Specialty Insurance [Member] | Other [Member]
Segment reporting information
Premiums	43		44
Reportable Segments [Member] | Personal Insurance [Member]
Segment reporting information
Premiums	1,764		1,762
Net investment income	82		100
Other revenues	12		26
Total operating revenues	1,858		1,888
Operating income (loss)	252		268
Reportable Segments [Member] | Personal Insurance [Member] | Automobile [Member]
Segment reporting information
Premiums	836		815
Reportable Segments [Member] | Personal Insurance [Member] | Homeowners and other [Member]
Segment reporting information
Premiums	928		947
Interest Expense & Other [Member]
Segment reporting information
Other revenues			-1
Operating income (loss)	-64		-64
After-tax interest expense	$60		$60
[1]	Total other-than-temporary impairment (OTTI) losses were $(4) million and $(7) million for the three months ended March 31, 2015 and 2014, respectively. Of total OTTI, credit losses of $(3) million and $(9) million for the three months ended March 31, 2015 and 2014, respectively, were recognized in net realized investment gains. In addition, unrealized gains (losses) from other changes in total OTTI of $(1) million and $2 million for the three months ended March 31, 2015 and 2014, respectively, were recognized in other comprehensive income (loss) as part of changes in net unrealized gains on investment securities having credit losses recognized in the consolidated statement of income.

Segment_Information_details_As

Segment Information (details) - Assets by Segment (USD $)	Mar. 31, 2015	Dec. 31, 2014
In Millions, unless otherwise specified
Assets by segment
Total assets	$102,691	$103,078
Reportable Segments [Member]
Assets by segment
Total assets	102,388	102,632
Reportable Segments [Member] | Business and International Insurance [Member]
Assets by segment
Total assets	81,892	82,309
Reportable Segments [Member] | Bond & Specialty Insurance [Member]
Assets by segment
Total assets	7,637	7,525
Reportable Segments [Member] | Personal Insurance [Member]
Assets by segment
Total assets	12,859	12,798
Other assets [Member]
Assets by segment
Total assets	$303	$446

Investments_details

Investments (details) (USD $)	3 Months Ended
In Millions, unless otherwise specified	Mar. 31, 2015	Mar. 31, 2014
Investments disclosure
Proceeds from sales of fixed maturities classified as available for sale	$906	$406
Proceeds from sales of equity securities	$11	$36

Investments_details_Investment

Investments (details) - Investment Information (USD $)	3 Months Ended
In Millions, unless otherwise specified	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014
Investment disclosure details
Fixed maturities, amortized cost	$59,916		$60,801
Fixed maturities, at fair value	62,769		63,474
Equity securities, cost	563		579
Equity securities, at fair value	866		899
Continuous unrealized loss position less than 12 months, fair value	4,160		2,744
Continuous unrealized loss position less than 12 months, gross unrealized losses	53		46
Continuous unrealized loss position 12 months or longer, fair value	915		3,536
Continuous unrealized loss position 12 months or longer, gross unrealized losses	26		78
Continuous unrealized loss position, total, fair value	5,075		6,280
Continuous unrealized loss position, total, gross unrealized losses	79		124
Available-for-sale securities for which fair value is less than 80% of amortized cost, total	9
Impairment charges included in net realized investment gains in the consolidated statement of income	3	9
Maxiumum [Member]
Investment disclosure details
Unrealized investment losses for securities for which fair value is less than 80% of amortized cost, as a percentage of the combined fixed maturity and equity security portfolios on a pretax basis	1.00%
Unrealized investment losses for securities for which fair value is less than 80% of amortized cost, as a percentage of shareholders' equity on an after-tax basis	1.00%
Fixed maturities [Member]
Investment disclosure details
Fixed maturities, amortized cost	59,916		60,801
Gross unrealized gains	2,927		2,791
Gross unrealized losses	74		118
Fixed maturities, at fair value	62,769		63,474
Gross realized gains	19	13
Gross realized losses	1	4
Continuous unrealized loss position less than 12 months, fair value	4,014		2,619
Continuous unrealized loss position less than 12 months, gross unrealized losses	49		41
Continuous unrealized loss position 12 months or longer, fair value	884		3,493
Continuous unrealized loss position 12 months or longer, gross unrealized losses	25		77
Continuous unrealized loss position, total, fair value	4,898		6,112
Continuous unrealized loss position, total, gross unrealized losses	74		118
Cumulative credit component of other-than-temporary impairments (OTTI) on fixed maturities recognized in the consolidated statement of income for which a portion of the OTTI was recognized in other comprehensive income for fixed maturities held	94	111
Fixed maturities [Member] | Maxiumum [Member]
Investment disclosure details
Cumulative credit component of other-than-temporary impairments (OTTI) on fixed maturities recognized in the consolidated statement of income for which a portion of the OTTI was recognized in other comprehensive income for fixed maturities held, as a percentage of the fixed maturity portfolio on a pretax basis	1.00%	1.00%
Cumulative credit component of other-than-temporary impairments (OTTI) on fixed maturities recognized in the consolidated statement of income for which a portion of the OTTI was recognized in other comprehensive income for fixed maturities held, as a percentage of shareholders' equity on an after-tax basis	1.00%	1.00%
U.S. Treasury securities and obligations of U.S. government and government agencies and authorities [Member]
Investment disclosure details
Fixed maturities, amortized cost	2,036		2,022
Gross unrealized gains	45		36
Gross unrealized losses	2		5
Fixed maturities, at fair value	2,079		2,053
Continuous unrealized loss position less than 12 months, fair value	500		180
Continuous unrealized loss position less than 12 months, gross unrealized losses	2		2
Continuous unrealized loss position 12 months or longer, fair value	15		125
Continuous unrealized loss position 12 months or longer, gross unrealized losses			3
Continuous unrealized loss position, total, fair value	515		305
Continuous unrealized loss position, total, gross unrealized losses	2		5
Obligations of states, municipalities and political subdivisions [Member]
Investment disclosure details
Fixed maturities, amortized cost	31,484		31,895
Gross unrealized gains	1,600		1,688
Gross unrealized losses	24		10
Fixed maturities, at fair value	33,060		33,573
Continuous unrealized loss position less than 12 months, fair value	1,884		173
Continuous unrealized loss position less than 12 months, gross unrealized losses	20		1
Continuous unrealized loss position 12 months or longer, fair value	143		797
Continuous unrealized loss position 12 months or longer, gross unrealized losses	4		9
Continuous unrealized loss position, total, fair value	2,027		970
Continuous unrealized loss position, total, gross unrealized losses	24		10
Obligations of states, municipalities and political subdivisions, pre-refunded [Member]
Investment disclosure details
Fixed maturities, amortized cost	6,893		7,229
Gross unrealized gains	324		332
Fixed maturities, at fair value	7,217		7,561
Obligations of states, municipalities and political subdivisions, all other (not pre-refunded) [Member]
Investment disclosure details
Fixed maturities, amortized cost	24,591		24,666
Gross unrealized gains	1,276		1,356
Gross unrealized losses	24		10
Fixed maturities, at fair value	25,843		26,012
Debt securities issued by foreign governments [Member]
Investment disclosure details
Fixed maturities, amortized cost	2,117		2,320
Gross unrealized gains	65		48
Fixed maturities, at fair value	2,182		2,368
Continuous unrealized loss position less than 12 months, fair value	75		50
Continuous unrealized loss position 12 months or longer, fair value			24
Continuous unrealized loss position, total, fair value	75		74
Mortgage-backed securities, collateralized mortgage obligations and pass-through securities [Member]
Investment disclosure details
Fixed maturities, amortized cost	1,986		2,052
Gross unrealized gains	170		165
Gross unrealized losses	3		4
Fixed maturities, at fair value	2,153		2,213
Continuous unrealized loss position less than 12 months, fair value	60		68
Continuous unrealized loss position 12 months or longer, fair value	133		192
Continuous unrealized loss position 12 months or longer, gross unrealized losses	3		4
Continuous unrealized loss position, total, fair value	193		260
Continuous unrealized loss position, total, gross unrealized losses	3		4
All other corporate bonds [Member]
Investment disclosure details
Fixed maturities, amortized cost	22,180		22,390
Gross unrealized gains	1,036		844
Gross unrealized losses	45		99
Fixed maturities, at fair value	23,171		23,135
Continuous unrealized loss position less than 12 months, fair value	1,494		2,148
Continuous unrealized loss position less than 12 months, gross unrealized losses	27		38
Continuous unrealized loss position 12 months or longer, fair value	593		2,355
Continuous unrealized loss position 12 months or longer, gross unrealized losses	18		61
Continuous unrealized loss position, total, fair value	2,087		4,503
Continuous unrealized loss position, total, gross unrealized losses	45		99
Redeemable preferred stock [Member]
Investment disclosure details
Fixed maturities, amortized cost	113		122
Gross unrealized gains	11		10
Fixed maturities, at fair value	124		132
Continuous unrealized loss position less than 12 months, fair value	1
Continuous unrealized loss position, total, fair value	1
Equity securities [Member]
Investment disclosure details
Equity securities, cost	563		579
Gross unrealized gains	308		326
Gross unrealized losses	5		6
Equity securities, at fair value	866		899
Continuous unrealized loss position less than 12 months, fair value	146		125
Continuous unrealized loss position less than 12 months, gross unrealized losses	4		5
Continuous unrealized loss position 12 months or longer, fair value	31		43
Continuous unrealized loss position 12 months or longer, gross unrealized losses	1		1
Continuous unrealized loss position, total, fair value	177		168
Continuous unrealized loss position, total, gross unrealized losses	5		6
Public common stock [Member]
Investment disclosure details
Equity securities, cost	399		400
Gross unrealized gains	278		295
Gross unrealized losses	3		4
Equity securities, at fair value	674		691
Continuous unrealized loss position less than 12 months, fair value	74		81
Continuous unrealized loss position less than 12 months, gross unrealized losses	3		4
Continuous unrealized loss position 12 months or longer, fair value	1		1
Continuous unrealized loss position, total, fair value	75		82
Continuous unrealized loss position, total, gross unrealized losses	3		4
Non-redeemable preferred stock [Member]
Investment disclosure details
Equity securities, cost	164		179
Gross unrealized gains	30		31
Gross unrealized losses	2		2
Equity securities, at fair value	192		208
Continuous unrealized loss position less than 12 months, fair value	72		44
Continuous unrealized loss position less than 12 months, gross unrealized losses	1		1
Continuous unrealized loss position 12 months or longer, fair value	30		42
Continuous unrealized loss position 12 months or longer, gross unrealized losses	1		1
Continuous unrealized loss position, total, fair value	102		86
Continuous unrealized loss position, total, gross unrealized losses	$2		$2

Investments_details_Derivative

Investments (details) - Derivatives (USD $)	3 Months Ended
In Millions, unless otherwise specified	Mar. 31, 2015		Mar. 31, 2014		Dec. 31, 2014
Derivatives
Net realized investment gains (losses)	$10	[1]	$1	[1]
Futures [Member] | U.S. Treasury notes contracts [Member]
Derivatives
Notional value of open contracts	400				350
Net realized investment gains (losses)	($10)		$1
[1]	Total other-than-temporary impairment (OTTI) losses were $(4) million and $(7) million for the three months ended March 31, 2015 and 2014, respectively. Of total OTTI, credit losses of $(3) million and $(9) million for the three months ended March 31, 2015 and 2014, respectively, were recognized in net realized investment gains. In addition, unrealized gains (losses) from other changes in total OTTI of $(1) million and $2 million for the three months ended March 31, 2015 and 2014, respectively, were recognized in other comprehensive income (loss) as part of changes in net unrealized gains on investment securities having credit losses recognized in the consolidated statement of income.

Fair_Value_Measurements_detail

Fair Value Measurements (details) (USD $)	Mar. 31, 2015	Dec. 31, 2014
In Millions, unless otherwise specified
Fair Value Measurements disclosure
Percent of fixed maturities for which a pricing service estimates fair value	98.00%	98.00%
Fair value of the fixed maturities for which the Company used an internal pricing matrix	$92	$92
Fair value of the fixed maturities for which the Company received a broker quote	$120	$140
Percent of short-term securities for which a pricing service estimates fair value	99.00%	98.00%
Percent of debt, including commercial paper, for which a pricing service estimates fair value	100.00%	100.00%

Fair_Value_Measurements_detail1

Fair Value Measurements (details) - Fair Value Hierarchy (Recurring basis [Member], USD $)	Mar. 31, 2015	Dec. 31, 2014
In Millions, unless otherwise specified
Level within the fair value hierarchy at which the Company's financial assets are measured
Total invested assets measured on a recurring basis	$63,691	$64,428
Level 1 [Member]
Level within the fair value hierarchy at which the Company's financial assets are measured
Total invested assets measured on a recurring basis	2,919	2,843
Level 2 [Member]
Level within the fair value hierarchy at which the Company's financial assets are measured
Total invested assets measured on a recurring basis	60,522	61,317
Level 3 [Member]
Level within the fair value hierarchy at which the Company's financial assets are measured
Total invested assets measured on a recurring basis	250	268
Fixed maturities [Member]
Level within the fair value hierarchy at which the Company's financial assets are measured
Total invested assets measured on a recurring basis	62,769	63,474
Fixed maturities [Member] | Level 1 [Member]
Level within the fair value hierarchy at which the Company's financial assets are measured
Total invested assets measured on a recurring basis	2,154	2,051
Fixed maturities [Member] | Level 2 [Member]
Level within the fair value hierarchy at which the Company's financial assets are measured
Total invested assets measured on a recurring basis	60,403	61,191
Fixed maturities [Member] | Level 3 [Member]
Level within the fair value hierarchy at which the Company's financial assets are measured
Total invested assets measured on a recurring basis	212	232
U.S. Treasury securities and obligations of U.S. government and government agencies and authorities [Member]
Level within the fair value hierarchy at which the Company's financial assets are measured
Total invested assets measured on a recurring basis	2,079	2,053
U.S. Treasury securities and obligations of U.S. government and government agencies and authorities [Member] | Level 1 [Member]
Level within the fair value hierarchy at which the Company's financial assets are measured
Total invested assets measured on a recurring basis	2,075	2,049
U.S. Treasury securities and obligations of U.S. government and government agencies and authorities [Member] | Level 2 [Member]
Level within the fair value hierarchy at which the Company's financial assets are measured
Total invested assets measured on a recurring basis	4	4
Obligations of states, municipalities and political subdivisions [Member]
Level within the fair value hierarchy at which the Company's financial assets are measured
Total invested assets measured on a recurring basis	33,060	33,573
Obligations of states, municipalities and political subdivisions [Member] | Level 1 [Member]
Level within the fair value hierarchy at which the Company's financial assets are measured
Total invested assets measured on a recurring basis	67
Obligations of states, municipalities and political subdivisions [Member] | Level 2 [Member]
Level within the fair value hierarchy at which the Company's financial assets are measured
Total invested assets measured on a recurring basis	32,980	33,560
Obligations of states, municipalities and political subdivisions [Member] | Level 3 [Member]
Level within the fair value hierarchy at which the Company's financial assets are measured
Total invested assets measured on a recurring basis	13	13
Debt securities issued by foreign governments [Member]
Level within the fair value hierarchy at which the Company's financial assets are measured
Total invested assets measured on a recurring basis	2,182	2,368
Debt securities issued by foreign governments [Member] | Level 2 [Member]
Level within the fair value hierarchy at which the Company's financial assets are measured
Total invested assets measured on a recurring basis	2,182	2,368
Mortgage-backed securities, collateralized mortgage obligations and pass-through securities [Member]
Level within the fair value hierarchy at which the Company's financial assets are measured
Total invested assets measured on a recurring basis	2,153	2,213
Mortgage-backed securities, collateralized mortgage obligations and pass-through securities [Member] | Level 2 [Member]
Level within the fair value hierarchy at which the Company's financial assets are measured
Total invested assets measured on a recurring basis	2,135	2,203
Mortgage-backed securities, collateralized mortgage obligations and pass-through securities [Member] | Level 3 [Member]
Level within the fair value hierarchy at which the Company's financial assets are measured
Total invested assets measured on a recurring basis	18	10
All other corporate bonds [Member]
Level within the fair value hierarchy at which the Company's financial assets are measured
Total invested assets measured on a recurring basis	23,171	23,135
All other corporate bonds [Member] | Level 1 [Member]
Level within the fair value hierarchy at which the Company's financial assets are measured
Total invested assets measured on a recurring basis	12
All other corporate bonds [Member] | Level 2 [Member]
Level within the fair value hierarchy at which the Company's financial assets are measured
Total invested assets measured on a recurring basis	22,985	22,934
All other corporate bonds [Member] | Level 3 [Member]
Level within the fair value hierarchy at which the Company's financial assets are measured
Total invested assets measured on a recurring basis	174	201
Redeemable preferred stock [Member]
Level within the fair value hierarchy at which the Company's financial assets are measured
Total invested assets measured on a recurring basis	124	132
Redeemable preferred stock [Member] | Level 1 [Member]
Level within the fair value hierarchy at which the Company's financial assets are measured
Total invested assets measured on a recurring basis		2
Redeemable preferred stock [Member] | Level 2 [Member]
Level within the fair value hierarchy at which the Company's financial assets are measured
Total invested assets measured on a recurring basis	117	122
Redeemable preferred stock [Member] | Level 3 [Member]
Level within the fair value hierarchy at which the Company's financial assets are measured
Total invested assets measured on a recurring basis	7	8
Equity securities [Member]
Level within the fair value hierarchy at which the Company's financial assets are measured
Total invested assets measured on a recurring basis	866	899
Equity securities [Member] | Level 1 [Member]
Level within the fair value hierarchy at which the Company's financial assets are measured
Total invested assets measured on a recurring basis	747	773
Equity securities [Member] | Level 2 [Member]
Level within the fair value hierarchy at which the Company's financial assets are measured
Total invested assets measured on a recurring basis	119	126
Public common stock [Member]
Level within the fair value hierarchy at which the Company's financial assets are measured
Total invested assets measured on a recurring basis	674	691
Public common stock [Member] | Level 1 [Member]
Level within the fair value hierarchy at which the Company's financial assets are measured
Total invested assets measured on a recurring basis	674	691
Non-redeemable preferred stock [Member]
Level within the fair value hierarchy at which the Company's financial assets are measured
Total invested assets measured on a recurring basis	192	208
Non-redeemable preferred stock [Member] | Level 1 [Member]
Level within the fair value hierarchy at which the Company's financial assets are measured
Total invested assets measured on a recurring basis	73	82
Non-redeemable preferred stock [Member] | Level 2 [Member]
Level within the fair value hierarchy at which the Company's financial assets are measured
Total invested assets measured on a recurring basis	119	126
Other investments [Member]
Level within the fair value hierarchy at which the Company's financial assets are measured
Total invested assets measured on a recurring basis	56	55
Other investments [Member] | Level 1 [Member]
Level within the fair value hierarchy at which the Company's financial assets are measured
Total invested assets measured on a recurring basis	18	19
Other investments [Member] | Level 3 [Member]
Level within the fair value hierarchy at which the Company's financial assets are measured
Total invested assets measured on a recurring basis	$38	$36

Fair_Value_Measurements_Footno

Fair Value Measurements Footnote (details) - Financial Instruments (USD $)	Mar. 31, 2015	Dec. 31, 2014
In Millions, unless otherwise specified
Financial Instruments
Short-term securities	$4,490	$4,364
Fair Value [Member]
Financial Instruments
Short-term securities	4,490	4,364
Debt	7,654	7,522
Commercial paper amount	100	100
Fair Value [Member] | Level 1 [Member]
Financial Instruments
Short-term securities	1,238	1,283
Fair Value [Member] | Level 2 [Member]
Financial Instruments
Short-term securities	3,215	3,042
Debt	7,654	7,522
Commercial paper amount	100	100
Fair Value [Member] | Level 3 [Member]
Financial Instruments
Short-term securities	37	39
Carrying Value [Member]
Financial Instruments
Short-term securities	4,490	4,364
Debt	6,249	6,249
Commercial paper amount	$100	$100

Goodwill_details

Goodwill (details) (USD $)	Mar. 31, 2015	Dec. 31, 2014
In Millions, unless otherwise specified
Goodwill by segment
Goodwill	$3,590	$3,611
Reportable Segments [Member] | Business and International Insurance [Member]
Goodwill by segment
Goodwill	2,455	2,476
Reportable Segments [Member] | Bond & Specialty Insurance [Member]
Goodwill by segment
Goodwill	495	495
Reportable Segments [Member] | Personal Insurance [Member]
Goodwill by segment
Goodwill	613	613
Other [Member]
Goodwill by segment
Goodwill	$27	$27

Goodwill_details_Other_Intangi

Goodwill (details) - Other Intangible Assets (USD $)	3 Months Ended
In Millions, unless otherwise specified	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014
Other intangible assets by major asset class
Intangible assets subject to amortization, gross carrying amount	$668		$669
Intangible assets subject to amortization, accumulated amortization	593		582
Intangible assets subject to amortization, net	75		87
Amortization expense for other intangible assets	11	12
Estimated intangible asset amortization expense, remainder of 2015	15
Estimated intangible asset amortization expense, 2016	10
Estimated intangible asset amortization expense, 2017	9
Estimated intangible asset amortization expense, 2018	7
Estimated intangible asset amortization expense, 2019	6
Customer-related [Member]
Other intangible assets by major asset class
Intangible assets subject to amortization, gross carrying amount	460		460
Intangible assets subject to amortization, accumulated amortization	454		446
Intangible assets subject to amortization, net	6		14
Amortization expense for other intangible assets	8	8
Fair value adjustment on claims and claim adjustment expense reserves, reinsurance recoverables and other contract-related intangibles [Member]
Other intangible assets by major asset class
Intangible assets subject to amortization, gross carrying amount	208		209
Intangible assets subject to amortization, accumulated amortization	139		136
Intangible assets subject to amortization, net	69		73
Amortization expense for other intangible assets	$3	$4

Goodwill_details_Total_Intangi

Goodwill (details) - Total Intangibles (USD $)	Mar. 31, 2015	Dec. 31, 2014
In Millions, unless otherwise specified
Goodwill and Other Intangible Assets disclosure
Intangible assets not subject to amortization	$217	$217
Total other intangible assets, gross carrying amount	885	886
Total other intangible assets, accumulated amortization	593	582
Total other intangible assets, net	$292	$304

Other_Comprehensive_Income_and2

Other Comprehensive Income and Accumulated Other Comprehensive Income (details) (USD $)	3 Months Ended
In Millions, unless otherwise specified	Mar. 31, 2015	Mar. 31, 2014
Accumulated other comprehensive income [Roll Forward]
Balance, beginning of year	$880	$810
Other comprehensive income (loss) before reclassifications	-114
Amounts reclassified from accumulated other comprehensive income	3
Other comprehensive income (loss), net of taxes	-111	317
Balance, end of period	769	1,127
Changes in net unrealized gains on investment securities having no credit losses recognized in the consolidated statement of income	169	537
Changes in net unrealized gains on investment securities having credit losses recognized in the consolidated statement of income	-5	2
Net changes in benefit plan assets and obligations	24	15
Net changes in unrealized foreign currency translation	-274	-43
Other comprehensive income (loss) before income taxes	-86	511
Income tax expense (benefit), other comprehensive income (loss)	25	194
Changes in Net Unrealized Gains on Investment Securities Having No Credit Losses Recognized in the Consolidated Statement of Income [Member]
Accumulated other comprehensive income [Roll Forward]
Balance, beginning of year	1,768
Other comprehensive income (loss) before reclassifications	125
Amounts reclassified from accumulated other comprehensive income	-12
Other comprehensive income (loss), net of taxes	113	351
Balance, end of period	1,881
Changes in net unrealized gains on investment securities having no credit losses recognized in the consolidated statement of income	169	537
Income tax expense (benefit), other comprehensive income (loss)	56	186
Changes in Net Unrealized Gains on Investment Securities Having Credit Losses Recognized in the Consolidated Statement of Income [Member]
Accumulated other comprehensive income [Roll Forward]
Balance, beginning of year	198
Other comprehensive income (loss) before reclassifications	-3
Other comprehensive income (loss), net of taxes	-3	1
Balance, end of period	195
Changes in net unrealized gains on investment securities having credit losses recognized in the consolidated statement of income	-5	2
Income tax expense (benefit), other comprehensive income (loss)	-2	1
Net Benefit Plan Assets and Obligations Recognized in Shareholders' Equity [Member]
Accumulated other comprehensive income [Roll Forward]
Balance, beginning of year	-755
Other comprehensive income (loss) before reclassifications	1
Amounts reclassified from accumulated other comprehensive income	15
Other comprehensive income (loss), net of taxes	16	8
Balance, end of period	-739
Net changes in benefit plan assets and obligations	24	15
Income tax expense (benefit), other comprehensive income (loss)	8	7
Net Unrealized Foreign Currency Translation [Member]
Accumulated other comprehensive income [Roll Forward]
Balance, beginning of year	-331
Other comprehensive income (loss) before reclassifications	-237
Other comprehensive income (loss), net of taxes	-237	-43
Balance, end of period	-568
Net changes in unrealized foreign currency translation	-274	-43
Income tax expense (benefit), other comprehensive income (loss)	($37)

Other_Comprehensive_Income_and3

Other Comprehensive Income and Accumulated Other Comprehensive Income (details) - Reclassifications (USD $)	3 Months Ended
In Millions, unless otherwise specified	Mar. 31, 2015		Mar. 31, 2014
Reclassification Adjustment out of Accumulated Other Comprehensive Income
Reclassification adjustment impacting realized gains on the income statement	($10)	[1]	($1)	[1]
Reclassification adjustment impacting general and administrative expense on the income statement	992		881
Total reclassifications	-1,148		-1,470
Income tax benefit (expense)	-315		-418
Amounts reclassified from accumulated other comprehensive income, net of taxes	-833		-1,052
Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income
Total reclassifications	5		13
Income tax benefit (expense)	2		6
Amounts reclassified from accumulated other comprehensive income, net of taxes	3		7
Changes in Net Unrealized Gains on Investment Securities Having No Credit Losses Recognized in the Consolidated Statement of Income [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income
Reclassification adjustment impacting realized gains on the income statement	-18		-5
Income tax benefit (expense)	-6		-2
Amounts reclassified from accumulated other comprehensive income, net of taxes	-12		-3
Changes in Net Unrealized Gains on Investment Securities Having Credit Losses Recognized in the Consolidated Statement of Income [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income
Reclassification adjustment impacting realized gains on the income statement			3
Income tax benefit (expense)			1
Amounts reclassified from accumulated other comprehensive income, net of taxes			2
Net Benefit Plan Assets and Obligations Recognized in Shareholders' Equity [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income
Reclassification adjustment impacting general and administrative expense on the income statement	23		15
Income tax benefit (expense)	8		7
Amounts reclassified from accumulated other comprehensive income, net of taxes	$15		$8
[1]	Total other-than-temporary impairment (OTTI) losses were $(4) million and $(7) million for the three months ended March 31, 2015 and 2014, respectively. Of total OTTI, credit losses of $(3) million and $(9) million for the three months ended March 31, 2015 and 2014, respectively, were recognized in net realized investment gains. In addition, unrealized gains (losses) from other changes in total OTTI of $(1) million and $2 million for the three months ended March 31, 2015 and 2014, respectively, were recognized in other comprehensive income (loss) as part of changes in net unrealized gains on investment securities having credit losses recognized in the consolidated statement of income.

Common_Share_Repurchases_detai

Common Share Repurchases (details) (USD $)	3 Months Ended
Share data in Millions, except Per Share data, unless otherwise specified	Mar. 31, 2015	Mar. 31, 2014	Apr. 21, 2015
Repurchase activity
Shares acquired to cover tax withholding costs and exercise costs	$72,000,000	$55,000,000
Board of Directors Approved Repurchase Authorizations [Member]
Repurchase activity
Number of shares repurchased (in shares)	5.6
Cost of shares repurchased	600,000,000
Average cost per share	$106.97
Remaining capacity under share repurchase authorization	884,000,000
Additional share repurchase authorization			5,000,000,000
Net shares acquired related to employee share-based compensation plans [Member]
Repurchase activity
Number of shares repurchased (in shares)	0.7
Shares acquired to cover tax withholding costs and exercise costs	$72,000,000

Earnings_per_Share_details

Earnings per Share (details) (USD $)	3 Months Ended
In Millions, except Per Share data, unless otherwise specified	Mar. 31, 2015	Mar. 31, 2014
Earnings per Share disclosure
Net income	$833	$1,052
Participating share-based awards - allocated income	-6	-7
Net income available to common shareholders -- basic	827	1,045
Net income available to common shareholders -- diluted	$827	$1,045
Weighted average shares outstanding, basic	320.8	350.9
Weighted average effects of dilutive securities, stock options and performance shares (in shares)	3.7	3.7
Weighted average shares outstanding, diluted	324.5	354.6
Net income per common share, basic	$2.58	$2.98
Net income per common share, diluted	$2.55	$2.95

ShareBased_Incentive_Compensat2

Share-Based Incentive Compensation (details) (USD $)	3 Months Ended		12 Months Ended
In Millions, except Share data, unless otherwise specified	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014
Share-Based Incentive Compensation disclosure
Stock options vested at end of period, number (in shares)	8,185,698
Stock options vested at end of period, weighted average exercise price (per share)	$66.29
Stock options vested at end of period, weighted average contractual life remaining	6 years 6 months 0 days
Stock options vested at end of period, aggregate intrinsic value	$342
Stock options exercisable at end of period, number (in shares)	5,234,347
Stock options exercisable at end of period, weighted average exercise price (per share)	$53.23
Stock options exercisable at end of period, weighted average contractual life remaining	5 years 1 month 6 days
Stock options exercisable at end of period, aggregate intrinsic value	287
Total compensation cost recognized in earnings for all share-based incentive compensation awards	47	44
Tax benefit recognized in earnings related to compensation costs	16	15
Total unrecognized compensation cost related to all nonvested share-based incentive compensation awards	$211		$123
Weighted-average period of recognition for unrecognized compensation cost (in years)	2 years 1 month 6 days		1 year 8 months 12 days

Pension_Plans_Retirement_Benef2

Pension Plans, Retirement Benefits and Savings Plans (details) (USD $)	3 Months Ended
In Millions, unless otherwise specified	Mar. 31, 2015	Mar. 31, 2014
Pension Plans [Member]
Defined benefit plan disclosure
Service cost	$33	$27
Interest cost on benefit obligation	36	38
Expected return on plan assets	-58	-54
Net periodic benefit cost, amortization of unrecognized net actuarial loss	24	16
Net periodic benefit cost	35	27
Postretirement Benefit Plans [Member]
Defined benefit plan disclosure
Interest cost on benefit obligation	3	2
Net periodic benefit cost, amortization of unrecognized prior service benefit	-1	-1
Net periodic benefit cost	$2	$1

Contingencies_Commitments_and_1

Contingencies, Commitments and Guarantees (details) (USD $)	Mar. 31, 2015	Dec. 31, 2014
In Billions, unless otherwise specified
Contingencies and Commitments disclosure
Unfunded commitments to private equity limited partnerships and real estate partnerships	$1.62	$1.63

Contingencies_Commitments_and_2

Contingencies, Commitments and Guarantees (details) - Loss Contingencies (Asbestos Direct Action Litigation [Member], USD $)	1 Months Ended
In Millions, unless otherwise specified	Jan. 31, 2015
Asbestos Direct Action Litigation [Member]
Loss Contingencies
Settlement amount	$502
Total settlement amount	579
Interest related to settlement award	$77

Contingencies_Commitments_and_3

Contingencies, Commitments and Guarantees (details) - Gain Contingencies (United States Fidelity & Guaranty Company v. American Re-Insurance Company, et al. [Member], USD $)	0 Months Ended	53 Months Ended
In Millions, unless otherwise specified	Oct. 25, 2010	Mar. 31, 2015	Nov. 30, 2013	Feb. 07, 2013	Oct. 25, 2010
			item	item	item
United States Fidelity & Guaranty Company v. American Re-Insurance Company, et al. [Member]
Gain Contingencies
Number of other reinsurers beside American Re against which judgment was entered in a reinsurance dispute	3				3
Total settlement amount	$420	$493
Settlement amount	251	238
Interest related to settlement award	$169	$255
Annual interest rate accruing on judgment not yet paid	9.00%	9.00%
Number of discrete issues modified in part by the summary judgment in reinsurance dispute				2
Number of reinsurers with whom the Company has reached a settlement agreeement			1

Contingencies_Commitments_and_4

Contingencies, Commitments and Guarantees (details) - Guarantees (USD $)	Mar. 31, 2015
In Millions, unless otherwise specified
Indemnifications related to the sale of businesses [Member]
Guarantor obligations
Maximum amount of contingent obligation	$453
Amount recognized on balance sheet for contingent obligation	2
Guarantees of certain investments and third-party loans [Member]
Guarantor obligations
Maximum amount of contingent obligation	150
Amount indemnified by a third party	75
Guarantees of certain insurance policy obligations [Member]
Guarantor obligations
Maximum amount of contingent obligation	480
Amount indemnified by a third party	$480

Consolidating_Financial_Statem2

Consolidating Financial Statements (Unaudited) (details) (USD $)	Mar. 31, 2015
In Millions, unless otherwise specified
Consolidating Financial Statements of The Travelers Companies, Inc. and Subsidiaries (Unaudited) disclosure
Amount of certain debt obligations of TPC that are unconditionally guaranteed by The Travelers Companies, Inc.	$700

Consolidating_Financial_Statem3

Consolidating Financial Statements (details) - Consolidating Statement of Income (Unaudited) (USD $)	3 Months Ended
In Millions, unless otherwise specified	Mar. 31, 2015		Mar. 31, 2014
Consolidating Statement of Income
Premiums	$5,888		$5,823
Net investment income	592		736
Fee income	111		107
Net realized investment gains (losses)	10	[1]	1	[1]
Other revenues	25		41
Total revenues	6,626		6,708
Claims and claim adjustment expenses	3,431		3,315
Amortization of deferred acquisition costs	963		950
General and administrative expenses	992		881
Interest expense	92		92
Total claims and expenses	5,478		5,238
Income before income taxes	1,148		1,470
Income tax expense (benefit)	315		418
Net income	833		1,052
Total other-than-temporary impairment losses	-4		-7
Other-than-temporary impairment losses recognized in net realized investment gains (losses)	-3		-9
Other-than-temporary impairment gains (losses) recognized in OCI	-1		2
Reportable Legal Entities [Member] | TPC [Member]
Consolidating Statement of Income
Premiums	3,996		3,944
Net investment income	411		500
Fee income	111		107
Net realized investment gains (losses)	2		1
Other revenues	21		33
Total revenues	4,541		4,585
Claims and claim adjustment expenses	2,309		2,221
Amortization of deferred acquisition costs	642		635
General and administrative expenses	695		613
Interest expense	12		12
Total claims and expenses	3,658		3,481
Income before income taxes	883		1,104
Income tax expense (benefit)	251		321
Net income	632		783
Total other-than-temporary impairment losses	-1		-2
Other-than-temporary impairment losses recognized in net realized investment gains (losses)	-1		-4
Other-than-temporary impairment gains (losses) recognized in OCI			2
Reportable Legal Entities [Member] | Other Subsidiaries [Member]
Consolidating Statement of Income
Premiums	1,892		1,879
Net investment income	180		235
Net realized investment gains (losses)	7		-2
Other revenues	4		8
Total revenues	2,083		2,120
Claims and claim adjustment expenses	1,122		1,094
Amortization of deferred acquisition costs	321		315
General and administrative expenses	292		265
Total claims and expenses	1,735		1,674
Income before income taxes	348		446
Income tax expense (benefit)	93		125
Net income	255		321
Total other-than-temporary impairment losses	-3		-5
Other-than-temporary impairment losses recognized in net realized investment gains (losses)	-2		-5
Other-than-temporary impairment gains (losses) recognized in OCI	-1
Reportable Legal Entities [Member] | Travelers [Member]
Consolidating Statement of Income
Net investment income	1		1
Net realized investment gains (losses)	1		2
Total revenues	2		3
General and administrative expenses	5		3
Interest expense	80		80
Total claims and expenses	85		83
Income before income taxes	-83		-80
Income tax expense (benefit)	-29		-28
Net income of subsidiaries	887		1,104
Net income	833		1,052
Eliminations [Member]
Consolidating Statement of Income
Net income of subsidiaries	-887		-1,104
Net income	($887)		($1,104)
[1]	Total other-than-temporary impairment (OTTI) losses were $(4) million and $(7) million for the three months ended March 31, 2015 and 2014, respectively. Of total OTTI, credit losses of $(3) million and $(9) million for the three months ended March 31, 2015 and 2014, respectively, were recognized in net realized investment gains. In addition, unrealized gains (losses) from other changes in total OTTI of $(1) million and $2 million for the three months ended March 31, 2015 and 2014, respectively, were recognized in other comprehensive income (loss) as part of changes in net unrealized gains on investment securities having credit losses recognized in the consolidated statement of income.

Consolidating_Financial_Statem4

Consolidating Financial Statements (details) - Consolidating Statement of Comprehensive Income (Unaudited) (USD $)	3 Months Ended
In Millions, unless otherwise specified	Mar. 31, 2015	Mar. 31, 2014
Consolidating Statement of Comprehensive Income
Net income	$833	$1,052
Changes in net unrealized gains on investment securities having no credit losses recognized in the consolidated statement of income	169	537
Changes in net unrealized gains on investment securities having credit losses recognized in the consolidated statement of income	-5	2
Net changes in benefit plan assets and obligations	24	15
Net changes in unrealized foreign currency translation	-274	-43
Other comprehensive income (loss) before income taxes	-86	511
Income tax expense	25	194
Other comprehensive income (loss), net of taxes, before other comprehensive income (loss) of subsidiaries	-111	317
Other comprehensive income (loss), net of taxes	-111	317
Comprehensive income	722	1,369
Reportable Legal Entities [Member] | TPC [Member]
Consolidating Statement of Comprehensive Income
Net income	632	783
Changes in net unrealized gains on investment securities having no credit losses recognized in the consolidated statement of income	134	391
Changes in net unrealized gains on investment securities having credit losses recognized in the consolidated statement of income	-4	7
Net changes in unrealized foreign currency translation	-179	-25
Other comprehensive income (loss) before income taxes	-49	373
Income tax expense	14	143
Other comprehensive income (loss), net of taxes, before other comprehensive income (loss) of subsidiaries	-63	230
Other comprehensive income (loss), net of taxes	-63	230
Comprehensive income	569	1,013
Reportable Legal Entities [Member] | Other Subsidiaries [Member]
Consolidating Statement of Comprehensive Income
Net income	255	321
Changes in net unrealized gains on investment securities having no credit losses recognized in the consolidated statement of income	33	146
Changes in net unrealized gains on investment securities having credit losses recognized in the consolidated statement of income	-1	-5
Net changes in benefit plan assets and obligations	1
Net changes in unrealized foreign currency translation	-95	-18
Other comprehensive income (loss) before income taxes	-62	123
Income tax expense	3	45
Other comprehensive income (loss), net of taxes, before other comprehensive income (loss) of subsidiaries	-65	78
Other comprehensive income (loss), net of taxes	-65	78
Comprehensive income	190	399
Reportable Legal Entities [Member] | Travelers [Member]
Consolidating Statement of Comprehensive Income
Net income	833	1,052
Changes in net unrealized gains on investment securities having no credit losses recognized in the consolidated statement of income	2
Net changes in benefit plan assets and obligations	23	15
Other comprehensive income (loss) before income taxes	25	15
Income tax expense	8	6
Other comprehensive income (loss), net of taxes, before other comprehensive income (loss) of subsidiaries	17	9
Other comprehensive income (loss) of subsidiaries	-128	308
Other comprehensive income (loss), net of taxes	-111	317
Comprehensive income	722	1,369
Eliminations [Member]
Consolidating Statement of Comprehensive Income
Net income	-887	-1,104
Other comprehensive income (loss) of subsidiaries	128	-308
Other comprehensive income (loss), net of taxes	128	-308
Comprehensive income	($759)	($1,412)

Consolidating_Financial_Statem5

Consolidating Financial Statements (details) - Consolidating Balance Sheet (Unaudited) (USD $)	Mar. 31, 2015	Dec. 31, 2014	Mar. 31, 2014	Dec. 31, 2013
In Millions, unless otherwise specified
Consolidating Balance Sheet
Fixed maturities, available for sale, at fair value	$62,769	$63,474
Equity securities, available for sale, at fair value	866	899
Real estate investments	929	938
Short-term securities	4,490	4,364
Other investments	3,565	3,586
Total investments	72,619	73,261
Cash	308	374	260	294
Investment income accrued	628	685
Premiums receivable	6,528	6,298
Reinsurance recoverables	9,142	9,260
Ceded unearned premiums	830	678
Deferred acquisition costs	1,847	1,835
Deferred taxes		33
Contractholder receivables	4,396	4,362
Goodwill	3,590	3,611
Other intangible assets	292	304
Other assets	2,511	2,377
Total assets	102,691	103,078
Claims and claim adjustment expense reserves	48,994	49,850
Unearned premium reserves	11,954	11,839
Contractholder payables	4,396	4,362
Payables for reinsurance premiums	485	336
Deferred taxes	126
Debt	6,349	6,349
Other liabilities	5,540	5,506
Total liabilities	77,844	78,242
Common stock	21,982	21,843	21,603	21,500
Retained earnings	27,906	27,251	25,167	24,291
Accumulated other comprehensive income	769	880	1,127	810
Treasury stock, at cost	-25,810	-25,138	-22,510	-21,805
Total shareholders' equity	24,847	24,836	25,387
Total liabilities and shareholders' equity	102,691	103,078
Fixed maturities, available for sale, amortized cost	59,916	60,801
Equity securities, available for sale, cost	563	579
Common stock, shares authorized	1,750	1,750
Common stock, shares issued	318.7	322.2
Common stock, shares outstanding	318.7	322.2	347.5	353.5
Treasury stock, at cost, shares	443.6	437.3
Reportable Legal Entities [Member] | TPC [Member]
Consolidating Balance Sheet
Fixed maturities, available for sale, at fair value	42,990	43,401
Equity securities, available for sale, at fair value	220	236
Real estate investments	56	56
Short-term securities	2,149	2,128
Other investments	2,627	2,630
Total investments	48,042	48,451
Cash	195	221	139	137
Investment income accrued	432	468
Premiums receivable	4,359	4,241
Reinsurance recoverables	6,093	6,156
Ceded unearned premiums	748	608
Deferred acquisition costs	1,636	1,622
Deferred taxes		23
Contractholder receivables	3,350	3,306
Goodwill	2,586	2,602
Other intangible assets	208	216
Other assets	2,082	1,931
Total assets	69,731	69,845
Claims and claim adjustment expense reserves	32,482	32,999
Unearned premium reserves	8,323	8,201
Contractholder payables	3,350	3,306
Payables for reinsurance premiums	287	194
Deferred taxes	114
Debt	692	692
Other liabilities	4,098	4,084
Total liabilities	49,346	49,476
Additional paid-in capital	11,634	11,634
Retained earnings	7,752	7,673
Accumulated other comprehensive income	999	1,062
Total shareholders' equity	20,385	20,369
Total liabilities and shareholders' equity	69,731	69,845
Reportable Legal Entities [Member] | Other Subsidiaries [Member]
Consolidating Balance Sheet
Fixed maturities, available for sale, at fair value	19,749	20,043
Equity securities, available for sale, at fair value	502	522
Real estate investments	873	882
Short-term securities	694	706
Other investments	937	955
Total investments	22,755	23,108
Cash	111	151	119	154
Investment income accrued	193	215
Premiums receivable	2,169	2,057
Reinsurance recoverables	3,049	3,104
Ceded unearned premiums	82	70
Deferred acquisition costs	211	213
Deferred taxes		-40
Contractholder receivables	1,046	1,056
Goodwill	1,004	1,009
Other intangible assets	84	88
Other assets	413	429
Total assets	31,117	31,460
Claims and claim adjustment expense reserves	16,512	16,851
Unearned premium reserves	3,631	3,638
Contractholder payables	1,046	1,056
Payables for reinsurance premiums	198	142
Deferred taxes	63
Other liabilities	1,242	1,308
Total liabilities	22,692	22,995
Common stock	390	390
Additional paid-in capital	6,502	6,502
Retained earnings	1,098	1,073
Accumulated other comprehensive income	435	500
Total shareholders' equity	8,425	8,465
Total liabilities and shareholders' equity	31,117	31,460
Reportable Legal Entities [Member] | Travelers [Member]
Consolidating Balance Sheet
Fixed maturities, available for sale, at fair value	30	30
Equity securities, available for sale, at fair value	144	141
Short-term securities	1,647	1,530
Other investments	1	1
Total investments	1,822	1,702
Cash	2	2	2	3
Investment income accrued	3	2
Deferred taxes		50
Investment in subsidiaries	28,798	28,821
Other assets	16	17
Total assets	30,641	30,594
Deferred taxes	-51
Debt	5,657	5,657
Other liabilities	200	114
Total liabilities	5,806	5,771
Common stock	21,982	21,843
Retained earnings	27,894	27,238
Accumulated other comprehensive income	769	880
Treasury stock, at cost	-25,810	-25,138
Total shareholders' equity	24,835	24,823
Total liabilities and shareholders' equity	30,641	30,594
Eliminations [Member]
Consolidating Balance Sheet
Investment in subsidiaries	-28,798	-28,821
Total assets	-28,798	-28,821
Common stock	-390	-390
Additional paid-in capital	-18,136	-18,136
Retained earnings	-8,838	-8,733
Accumulated other comprehensive income	-1,434	-1,562
Total shareholders' equity	-28,798	-28,821
Total liabilities and shareholders' equity	($28,798)	($28,821)

Consolidating_Financial_Statem6

Consolidating Financial Statements (details) - Consolidating Statement of Cash Flows (Unaudited) (USD $)	3 Months Ended
In Millions, unless otherwise specified	Mar. 31, 2015	Mar. 31, 2014
Consolidating Statement of Cash Flows
Net income	$833	$1,052
Net adjustments to reconcile net income to net cash provided by (used in) operating activities	-634	-349
Net cash provided by operating activities	199	703
Proceeds from maturities of fixed maturities	2,830	2,312
Proceeds from sales of investments, fixed maturities	906	406
Proceeds from sales of investments, equity securities	11	36
Proceeds from sales of investments, real estate investments	7	1
Proceeds from sales of investments, other investments	146	167
Purchases of investments, fixed maturities	-3,325	-2,715
Purchases of investments, equity securities	-8	-18
Purchases of investments, real estate investments	-6	-9
Purchases of investments, other investments	-168	-113
Net (purchases) sales of short-term securities	-134	-160
Securities transactions in course of settlement	305	240
Acquisition, net of cash acquired		-12
Other investing activities	-90	-60
Net cash provided by investing activities	474	75
Treasury stock acquired - share repurchase authorization	-600	-650
Treasury stock acquired - net employee share-based compensation	-71	-54
Dividends paid to shareholders	-177	-176
Issuance of common stock - employee share options	90	57
Excess tax benefits from share-based payment arrangements	27	13
Net cash used in financing activities	-731	-810
Effect of exchange rate changes on cash	-8	-2
Net decrease in cash	-66	-34
Cash at beginning of year	374	294
Cash at end of period	308	260
Income taxes paid (received)	126	93
Interest paid	34	34
Reportable Legal Entities [Member] | TPC [Member]
Consolidating Statement of Cash Flows
Net income	632	783
Net adjustments to reconcile net income to net cash provided by (used in) operating activities	-405	-90
Net cash provided by operating activities	227	693
Proceeds from maturities of fixed maturities	1,851	1,334
Proceeds from sales of investments, fixed maturities	555	192
Proceeds from sales of investments, equity securities	6	22
Proceeds from sales of investments, other investments	98	100
Purchases of investments, fixed maturities	-2,133	-1,681
Purchases of investments, equity securities	-1	-1
Purchases of investments, other investments	-139	-74
Net (purchases) sales of short-term securities	-23	-73
Securities transactions in course of settlement	175	183
Acquisition, net of cash acquired		-9
Other investing activities	-89	-58
Net cash provided by investing activities	300	-65
Dividends paid to parent company	-552	-625
Net cash used in financing activities	-552	-625
Effect of exchange rate changes on cash	-1	-1
Net decrease in cash	-26	2
Cash at beginning of year	221	137
Cash at end of period	195	139
Income taxes paid (received)	138	64
Interest paid	16	16
Reportable Legal Entities [Member] | Other Subsidiaries [Member]
Consolidating Statement of Cash Flows
Net income	255	321
Net adjustments to reconcile net income to net cash provided by (used in) operating activities	-350	-315
Net cash provided by operating activities	-95	6
Proceeds from maturities of fixed maturities	979	977
Proceeds from sales of investments, fixed maturities	351	214
Proceeds from sales of investments, equity securities	5	10
Proceeds from sales of investments, real estate investments	7	1
Proceeds from sales of investments, other investments	48	67
Purchases of investments, fixed maturities	-1,192	-1,030
Purchases of investments, equity securities	-6	-13
Purchases of investments, real estate investments	-6	-9
Purchases of investments, other investments	-29	-39
Net (purchases) sales of short-term securities	6	-37
Securities transactions in course of settlement	130	56
Acquisition, net of cash acquired		-3
Other investing activities	-1	-2
Net cash provided by investing activities	292	192
Dividends paid to parent company	-230	-232
Net cash used in financing activities	-230	-232
Effect of exchange rate changes on cash	-7	-1
Net decrease in cash	-40	-35
Cash at beginning of year	151	154
Cash at end of period	111	119
Income taxes paid (received)	52	15
Reportable Legal Entities [Member] | Travelers [Member]
Consolidating Statement of Cash Flows
Net income	833	1,052
Net adjustments to reconcile net income to net cash provided by (used in) operating activities	16	-191
Net cash provided by operating activities	849	861
Proceeds from maturities of fixed maturities		1
Proceeds from sales of investments, equity securities		4
Purchases of investments, fixed maturities		-4
Purchases of investments, equity securities	-1	-4
Net (purchases) sales of short-term securities	-117	-50
Securities transactions in course of settlement		1
Net cash provided by investing activities	-118	-52
Treasury stock acquired - share repurchase authorization	-600	-650
Treasury stock acquired - net employee share-based compensation	-71	-54
Dividends paid to shareholders	-177	-176
Issuance of common stock - employee share options	90	57
Excess tax benefits from share-based payment arrangements	27	13
Net cash used in financing activities	-731	-810
Net decrease in cash		-1
Cash at beginning of year	2	3
Cash at end of period	2	2
Income taxes paid (received)	-64	14
Interest paid	18	18
Eliminations [Member]
Consolidating Statement of Cash Flows
Net income	-887	-1,104
Net adjustments to reconcile net income to net cash provided by (used in) operating activities	105	247
Net cash provided by operating activities	-782	-857
Dividends paid to parent company	782	857
Net cash used in financing activities	$782	$857