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Investment Income And Gains And Losses (Tables)

6 Months Ended

Jun. 30, 2011


	Three Months Ended June 30,					Six Months Ended June 30,
In millions	2011			2010		2011			2010
Net investment income:
Fixed-maturity	$	87		$	98	$	194		$	211
Held-to-maturity		1			2		3			4
Short-term investments		4			1		4			5
Other investments		3			6		8			11
Consolidated VIEs		16			13		34			28

Gross investment income		111			120		243			259
Investment expenses		-			-		-			2

Net investment income		111			120		243			257
Realized gains and losses:
Fixed-maturity:
Gains		18	⁽¹⁾		6		72	⁽¹⁾		35
Losses		(37)			(20)		(77)			(78)

Net		(19)			(14)		(5)			(43)
Other investments:
Gains		-			-		9			-
Losses		-			-		-			(1)

Net		-			-		9			(1)

Total net realized gains (losses)⁽²⁾		(19)			(14)		4			(44)

Total investment income	$	92		$	106	$	247		$	213

(1) - Includes net trading gains of $3 million. (2) - These balances are included in the "Net gains (losses) on financial instruments at fair value and foreign exchange" and "Net investment losses related to other-than-temporary impairments" line items on MBIA's consolidated statements of operations.


In millions	Three Months Ended June 30,						Six Months Ended June 30,
Credit Losses Recognized in Earnings Related to Other-Than-Temporary Impairments	2011			2010			2011			2010
Beginning balance	$	266		$	269		$	262		$	389
Accounting transition adjustment⁽¹⁾		-			-			-			(149	)
Additions for credit loss impairments recognized in the current period on securities not previously impaired		20			4			27			23
Additions for credit loss impairments recognized in the current period on securities previously impaired		-			6			-			17
Reductions for credit loss impairments previously recognized on securities sold during the period		(3	)		(10	)		(6	)		(10	)
Reductions for credit loss impairments previously recognized on securities impaired to fair value during the period⁽²⁾		-			(4	)		-			(4	)
Reductions for increases in cash flows expected to be collected over the remaining life of the security		-			-			-			(1	)

Ending balance	$	283		$	265		$	283		$	265

(1) - Reflects the adoption of the accounting principles for the consolidation of VIEs. (2) - Represents circumstances where the Company determined in the current period that it intends to sell the security or it is more likely than not that it will be required to sell the security before recovery of the security's amortized cost.


	Six Months Ended June 30,
Asset-backed Securities	2011		2010
Expected size of losses⁽¹⁾:
Range⁽²⁾		0.00% to 100.00%		0.31% to 100.00%
Weighted average⁽³⁾		67.10%		64.68%
Current subordination levels⁽⁴⁾:
Range⁽²⁾		0.00% to 14.19%		0.00% to 42.16%
Weighted average⁽³⁾		0.29%		5.91%
Prepayment speed (annual CPR)⁽⁵⁾:
Range⁽²⁾		0.00 to 100.00		0.00 to 51.77
Weighted average⁽³⁾		19.40		9.83
(1) - Represents future expected credit losses on impaired assets expressed as a percentage of total outstanding balance. (2) - Represents the range of inputs/assumptions based upon the individual securities within each category. (3) - Calculated by weighting the relevant input/assumption for each individual security by the outstanding notional of the security. (4) -Represents current level of credit protection (subordination) for the securities, expressed as a percentage of the balance of the collateral group backing the bond. (5) - Values represent high and low points of lifetime vectors of constant prepayment rates.

		000000000		000000000
In millions	As of June 30, 2011		As of December 31, 2010
Fixed-maturity:
Gains	$	225	$	208
Losses		(524)		(782)
Foreign exchange		49		(14)

Net		(250)		(588)
Other investments:
Gains		4		10
Losses		(8)		(22)

Net		(4)		(12)

Total		(254)		(600)
Deferred income tax provision (benefit)		(103)		(208)

Unrealized gains (losses), net	$	(151)	$	(392)

		000000000000		000000000000
In millions	As of June 30, 2011		As of December 31, 2010
Fixed-maturity	$	338	$	749
Other investments		8		47

Total		346		796
Deferred income tax charged (credited)		105		213

Change in unrealized gains (losses), net ⁽¹⁾	$	241	$	583

(1) - The annual change as of December 31, 2010 included $266 million of net unrealized gains due to the transition adjustment for the adoption of the accounting principles for consolidation of VIEs.