Consolidated Balance Sheets (USD $) In Millions, unless otherwise specified	Mar. 31, 2013		Dec. 31, 2012
Investment portfolio:
Fixed maturity securities, available-for-sale, at fair value (amortized cost of $9,363 and $9,346)	$ 9,985		$ 10,056
Short term investments, at fair value	729		817
Other invested assets	148		212
Total investment portfolio	10,862		11,085
Cash	125		138
Premiums receivable, net of ceding commissions payable	956	[1]	1,005
Ceded unearned premium reserve	535		561
Deferred acquisition costs	116		116
Reinsurance recoverable on unpaid losses	56		58
Salvage and subrogation recoverable	543		456
Credit derivative assets	125		141
Deferred tax asset, net	872		721
Financial guaranty variable interest entities’ assets, at fair value	2,813		2,688
Other assets	296		273
Total assets	17,299		17,242
Liabilities and shareholders’ equity
Unearned premium reserve	4,982		5,207
Loss and loss adjustment expense reserve	532		601
Reinsurance balances payable, net	193		219
Long-term debt	832		836
Credit derivative liabilities	2,518		1,934
Financial guaranty variable interest entities’ liabilities with recourse, at fair value	2,071		2,090
Financial guaranty variable interest entities’ liabilities without recourse, at fair value	1,107		1,051
Other liabilities	340		310
Total liabilities	12,575		12,248
Commitments and contingencies (See Note 14)
Common stock ($0.01 par value, 500,000,000 shares authorized; 192,337,826 and 194,003,297 shares issued and outstanding)	2		2
Additional paid-in capital	2,685		2,724
Retained earnings	1,586		1,749
Accumulated other comprehensive income, net of tax of $169 and $198	447		515
Deferred equity compensation (320,193 and 320,193 shares)	4		4
Total shareholders’ equity	4,724		4,994
Total liabilities and shareholders’ equity	$ 17,299		$ 17,242

[1] )Excludes $28 million and $33 million as of March 31, 2013 and March 31, 2012, respectively, related to consolidated FG VIEs.