Insurance In Force (Tables)

12 Months Ended

Dec. 31, 2011

Insurance In Force [Abstract]

Schedule Of Geographical Distribution Of Insurance In Force

	As of December 31,
In billions	2011					2010
Geographic Location	Insurance in Force		% of Insurance in Force			Insurance in Force		% of Insurance in Force
California	$	125.0		14.9%		$	144.5		14.1%
New York		62.3		7.4%			73.4		7.2%
Florida		47.9		5.7%			58.0		5.7%
Texas		41.7		5.0%			49.7		4.8%
Illinois		41.2		4.9%			46.1		4.5%
New Jersey		30.3		3.6%			34.3		3.4%
Washington		22.8		2.7%			26.9		2.6%
Michigan		21.1		2.5%			24.3		2.4%
Pennsylvania		18.5		2.2%			24.8		2.4%
Massachusetts		15.1		1.8%			20.9		2.0%
Subtotal		425.9		50.7%			502.9		49.1%
Nationally diversified		102.4		12.2%			147.7		14.4%
Other states		224.2		26.7%			268.5		26.2%
Total United States		752.5		89.6%			919.1		89.7%
Internationally diversified		28.9		3.4%			36.9		3.6%
Country specific		58.7		7.0%			69.0		6.7%
Total non-United States		87.6		10.4	%		105.9		10.3	%
Total	$	840.1		100.0	%	$	1,025.0		100.0	%

Schedule Of Insurance In Force By Type Of Bond, Excluding Transactions Guaranteed By MBIA Corp. On Behalf Of Various Investment Management Services Affiliated Companies

The insurance in force by type of bond, excluding transactions guaranteed by MBIA Corp. on behalf of various investment management services affiliated companies, is presented in the following table:

	As of December 31,
In billions	2011					2010
Bond Type	Insurance in Force		% of Insurance in Force			Insurance in Force		% of Insurance in Force
Global public finance—United States:
General obligation	$	234.3		27.9	%	$	278.7		27.2	%
General obligation—lease		51.7		6.2	%		60.2		5.9	%
Municipal utilities		117.0		13.9	%		138.8		13.5	%
Tax-backed		86.3		10.3	%		98.9		9.6	%
Transportation		68.3		8.1	%		84.5		8.2	%
Higher education		36.9		4.4	%		42.5		4.1	%
Health care		16.9		2.0	%		21.4		2.1	%
Military housing		19.4		2.3	%		20.5		2.0	%
Investor-owned utilities(1)		11.5		1.4	%		13.5		1.3	%
Municipal housing		9.4		1.1	%		11.0		1.1	%
Student loans		2.1		0.3	%		3.6		0.4	%
Other(2)		2.8		0.3	%		3.8		0.4	%
Total United States		656.6		78.2	%		777.4		75.8	%
Global public finance—non-United States:
International utilities		16.2		1.9	%		18.6		1.8	%
Sovereign-related and sub-sovereign(3)		18.6		2.2	%		20.3		2.0	%
Transportation		15.0		1.8	%		15.9		1.6	%
Local governments(4)		0.5		0.1	%		0.6		0.1	%
Health care		0.1		0.0	%		0.0		0.0	%
Tax backed		0.2		0.0	%		0.2		0.0	%
Total non-United States		50.6		6.0	%		55.6		5.5	%
Total global public finance		707.2		84.2	%		833.0		81.3	%
	As of December 31,
In billions	2011					2010
Bond Type	Insurance in Force		% of Insurance in Force			Insurance in Force		% of Insurance in Force
Global structured finance:
Collateralized debt obligations(5)		78.7		9.4	%		123.5		12.1	%
Mortgage-backed residential		21.1		2.5	%		24.1		2.4	%
Mortgage-backed commercial		4.4		0.5	%		5.4		0.5	%
Consumer asset-backed:
Auto loans		0.7		0.1	%		2.2		0.2	%
Student loans		1.7		0.2	%		1.9		0.2	%
Manufactured housing		2.2		0.3	%		2.5		0.2	%
Other consumer asset-backed		0.2		0.0	%		0.4		0.0	%
Corporate asset-backed:
Operating assets:
Aircraft portfolio lease securitizations		3.2		0.4	%		4.5		0.4	%
Rental car fleets		—		0.0	%		0.3		0.0	%
Secured airline equipment securitization (EETC)		3.2		0.3	%		3.5		0.3	%
Other operating assets		0.7		0.1	%		0.9		0.1	%
Structured insurance securitizations		7.5		0.9	%		9.2		0.9	%
Franchise assets		1.3		0.2	%		1.6		0.2	%
Intellectual property		1.9		0.2	%		3.7		0.4	%
Future flow		0.4		0.0	%		1.2		0.1	%
Other corporate asset-backed		5.7		0.7	%		7.1		0.7	%
Total global structured finance		132.9		15.8	%		192.0		18.7	%
Total	$	840.1		100.0	%	$	1,025.0		100.0	%

(1)—Includes investor owned utilities, industrial development and pollution control revenue bonds.

(2)—Includes certain non-profit enterprises and stadium related financing.

(3)—Includes regions, departments or their equivalent in each jurisdiction as well as sovereign owned entities that are supported by a sovereign state, region or department.

(4)—Includes municipal owned entities backed by sponsoring local government.

(5)—Includes transactions (represented by structured pools of primarily investment grade corporate credit risks or CRE assets) that do not include typical CDO structuring characteristics, such as tranched credit risk, cash flow waterfalls, or interest and over-collateralization coverage tests.

Summary Of The Company's Reinsurance Agreements For Its U.S. Public Finance And Structured Finance And International Insurance Operations

In millions
	Standard &  Poor's Rating (Status)	Moody's Rating (Status)	Ceded Par Outstanding		LOC / Trust Accounts		Reinsurance Recoverable (1)
Reinsurers
Assured Guaranty Corp.	AA- (Stable Outlook)	Aa3 (Negative Outlook)	$	3,235	$	—	$	16
Assured Guaranty Re Ltd.	AA- (Stable Outlook)	A1 (Negative Outlook)		542		5		0
Overseas Private Investment Corporation	AA+ (Negative Outlook)	Aaa (Negative Outlook)		320		—		—
Export Development Canada	AAA (Stable)	Aaa (Stable)		77		1		—
Others	A+ or above	A1 or above		95		1		0
Total			$	4,269	$	7	$	16

(1)—Total reinsurance recoverable of $16 million comprised recoverables on paid and unpaid losses of $1 million and $15 million, respectively.

Summary Of Components Of Financial Guarantee Net Premiums Earned, Including Premiums Assumed From And Ceded To Other Companies

	Years Ended December 31,
In millions	2011			2010			2009
Net premiums earned:
Direct	$	505		$	516		$	726
Assumed		112			106			107
Gross		617			622			833
Ceded		(12	)		(28	)		(87	)
Net	$	605		$	594		$	746