Consolidated Balance Sheets (USD $) In Millions, unless otherwise specified	Mar. 31, 2014		Dec. 31, 2013
Investment portfolio:
Fixed-maturity securities, available-for-sale, at fair value (amortized cost of $9,729 and $9,488)	$ 10,094		$ 9,711
Short-term investments, at fair value	720		904
Other invested assets	134		170
Total investment portfolio	10,948		10,785
Cash	219		184
Premiums receivable, net of commissions payable	863	[1]	876
Ceded unearned premium reserve	454		452
Deferred acquisition costs	122		124
Reinsurance recoverable on unpaid losses	37		36
Salvage and subrogation recoverable	241		174
Credit derivative assets	78		94
Deferred tax asset, net	637		688
Financial guaranty variable interest entities’ assets, at fair value	1,257		2,565
Other assets	250		309
Total assets	15,106		16,287
Liabilities and shareholders’ equity
Unearned premium reserve	4,504		4,595
Loss and loss adjustment expense reserve	636		592
Reinsurance balances payable, net	165		148
Long-term debt	812		816
Credit derivative liabilities	2,001		1,787
Current income tax payable	26		44
Financial guaranty variable interest entities’ liabilities with recourse, at fair value	1,346		1,790
Financial guaranty variable interest entities’ liabilities without recourse, at fair value	101		1,081
Other liabilities	306		319
Total liabilities	9,897		11,172
Commitments and contingencies (See Note 14)
Common stock ($0.01 par value, 500,000,000 shares authorized; 181,158,708 and 182,177,866 shares issued and outstanding)	2		2
Additional paid-in capital	2,434		2,466
Retained earnings	2,504		2,482
Accumulated other comprehensive income, net of tax of $117 and $71	264		160
Deferred equity compensation (320,193 and 320,193 shares)	5		5
Total shareholders’ equity	5,209		5,115
Total liabilities and shareholders’ equity	$ 15,106		$ 16,287

[1] Excludes $18 million and $28 million as of March 31, 2014 and March 31, 2013, respectively, related to consolidated FG VIEs.