Consolidated Balance Sheets (USD $) In Millions, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Assets
Fixed maturities available for sale, at fair value (amortized cost - $48,406 and $44,666) (includes hybrid financial instruments of $302 and $309)	$ 49,254	$ 47,306
Fixed maturities held to maturity, at amortized cost (fair value – $6,263 and $7,633)	6,098	7,270
Equity securities, at fair value (cost – $841 and $707)	837	744
Short-term investments, at fair value and amortized cost	1,763	2,228
Other investments (cost – $2,671 and $2,465)	2,976	2,716
Total investments	60,928	60,264
Cash	579	615
Securities lending collateral	1,632	1,791
Accrued investment income	556	552
Insurance and reinsurance balances receivable	5,026	4,147
Reinsurance recoverable on losses and loss expenses	11,227	12,078
Reinsurance recoverable on policy benefits	218	241
Deferred policy acquisition costs	2,313	1,873
Value of business acquired	536	614
Goodwill and other intangible assets	5,404	4,975
Prepaid reinsurance premiums	1,675	1,617
Deferred tax assets	616	453
Investments in partially-owned insurance companies (cost – $467 and $451)	470	454
Other assets	3,330	2,871
Total assets	94,510	92,545
Liabilities
Unpaid losses and loss expenses	37,443	37,946
Unearned premiums	7,539	6,864
Future policy benefits	4,615	4,470
Insurance and reinsurance balances payable	3,628	3,472
Securities lending payable	1,633	1,795
Accounts payable, accrued expenses, and other liabilities	4,810	5,397
Short-term debt	1,901	1,401
Long-term debt	3,807	3,360
Trust preferred securities	309	309
Total liabilities	65,685	65,014
Shareholders' equity
Common Shares (CHF 27.04 and CHF 28.89 par value; 342,832,412 shares issued; 339,793,935 and 340,321,534 shares outstanding)	8,899	9,591
Common Shares in treasury (3,038,477 and 2,510,878 shares)	(255)	(159)
Additional paid-in capital	5,238	5,179
Retained earnings	13,791	10,033
Accumulated other comprehensive income (AOCI)	1,152	2,887
Total shareholders’ equity	28,825	27,531
Total liabilities and shareholders’ equity	$ 94,510	$ 92,545