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Loss and Loss Adjustment Expense Reserves (Tables)

12 Months Ended

Dec. 31, 2017

Text Block [Abstract]

Present Value Of The Probability-Weighted Future Claim Payments And Recoveries

				As of December 31, 2017											As of December 31, 2016
In millions				Balance Sheet Line Item											Balance Sheet Line Item
				Insurance loss recoverable				Loan repurchase commitments			Loss and LAE reserves				Insurance loss recoverable				Loan repurchase commitments			Loss and LAE reserves
U.S. Public Finance Insurance				$	333			$	-		$	512			$	174			$	-		$	97
International and Structured Finance Insurance:
	Before VIE eliminations				1,478				407			710				551				404			650
	VIE eliminations				(1,300)				-			(243)				(221)				-			(206)
		Total international and structured finance insurance			178				407			467				330				404			444
	Total			$	511			$	407		$	979			$	504			$	404		$	541

Schedule Of Loss And Loss Adjustment Expenses Reserves

In millions

Changes in Loss and LAE Reserves for the Year Ended December 31, 2017

Gross Loss

Loss

Gross Loss

and LAE

Payments

Accretion

Changes in

and LAE

Reserves as of

for Cases

of Claim

Changes in

Unearned

Changes in

Reserves as of

December 31,

with

Liability

Discount

Changes in

Premium

LAE

December 31,

2016

Reserves(1)

Discount

Rates

Assumptions

Revenue

Reserves

Other(2)

2017

$

541

$

(1,069)

$

12

$

15

$

661

$

(30)

$

6

$

843

$

979

____________

(1) - Includes payments made to satisfy the Zohar II Claim.

(2) - Primarily changes in the amount to satisfy the Zohar II Claim.

In millions

Changes in Loss and LAE Reserves for the Year Ended December 31, 2016

Gross Loss

Loss

Gross Loss

and LAE

Payments

Accretion

Changes in

and LAE

Reserves as of

for Cases

of Claim

Changes in

Unearned

Changes in

Reserves as of

December 31,

with

Liability

Discount

Changes in

Premium

LAE

December 31,

2015

Reserves

Discount

Rates

Assumptions

Revenue

Reserves

Other(1)

2016

$

516

$

(128)

$

8

$

5

$

78

$

(15)

$

14

$

63

$

541

____________

(1) - Primarily changes in amount and timing of payments.

Schedule Of Insurance Loss Recoverable And Changes In Recoveries On Unpaid Losses

							Changes in Insurance Loss Recoverable and Recoveries on Unpaid Losses
							for the Year Ended December 31, 2017
			Gross																						Gross
			Reserve			Collections																			Reserve
			as of			for Cases			Accretion			Changes in							Changes in						as of
			December 31,			with			of			Discount			Changes in				LAE						December 31,
In millions			2016			Recoveries			Recoveries			Rates			Assumptions				Recoveries			Other(1)			2017
Insurance loss
	recoverable		$	504		$	(124)		$	10		$	2		$	113	(2)		$	-		$	6		$	511
Recoveries on unpaid
	losses (3)			79			-			1			1			(45)				(1)			-			35
Total			$	583		$	(124)		$	11		$	3		$	68			$	(1)		$	6		$	546
____________
(1) - Primarily changes in amount and timing of collections.
(2) - Includes amounts which have been paid and are expected to be recovered in the future.
(3) - As of December 31, 2017 and 2016, excludes Puerto Rico recoveries, and as of December 31, 2016, the Zohar II recoveries, which have been netted against reserves.

							Changes in Insurance Loss Recoverable and Recoveries on Unpaid Losses
							for the Year Ended December 31, 2016
			Gross																					Gross
			Reserve			Collections																		Reserve
			as of			for Cases			Accretion			Changes in						Changes in						as of
			December 31,			with			of			Discount			Changes in			LAE						December 31,
In millions			2015			Recoveries			Recoveries			Rates			Assumptions			Recoveries			Other(1)			2016
Insurance loss
	recoverable		$	577		$	(69)		$	5		$	(17)		$	86		$	(6)		$	(72)		$	504
Recoveries on unpaid
	losses (2)			100			-			1			3			(34)			9			-			79
Total			$	677		$	(69)		$	6		$	(14)		$	52		$	3		$	(72)		$	583
____________
(1) - Primarily changes in amount and timing of collections.
(2) - Excludes Puerto Rico and Zohar II recoveries, which have been netted against reserves.

Schedule Of Losses And Loss Adjustment Expenses

				Years Ended December 31,
	In millions			2017			2016			2015
	U.S. Public Finance Insurance Segment			$	499		$	74		$	5
	International and Structured Finance Insurance Segment:
		Second-lien RMBS			62			121			63
		First-lien RMBS			92			41			34
		CDOs			10			(32)			29
		Other(1)			20			16			(8)
	Losses and LAE			$	683		$	220		$	123
	________________
	(1) - Includes non-U.S. public finance and other issues.

Schedule Of Financial Guarantees And Related Claim Liability

					Surveillance Categories
					Caution			Caution			Caution
					List			List			List			Classified
$ in millions					Low			Medium			High			List			Total
Number of policies						89			5			1			280			375
Number of issues (1)						20			4			1			119			144
Remaining weighted average contract
	period (in years)					7.4			4.3			8.7			9.7			8.9
Gross insured contractual payments
	outstanding: (2)
		Principal			$	2,764		$	13		$	104		$	6,083		$	8,964
		Interest				2,676			3			46			5,756			8,481
			Total		$	5,440		$	16		$	150		$	11,839		$	17,445
Gross Claim Liability (3)					$	-		$	-		$	-		$	1,082		$	1,082
Less:
	Gross Potential Recoveries (4)					-			-			-			782			782
	Discount, net (5)					-			-			-			(178)			(178)
Net claim liability (recoverable)					$	-		$	-		$	-		$	478		$	478
Unearned premium revenue					$	9		$	-		$	4		$	77		$	90
__________
(1) - An “issue” represents the aggregate of financial guarantee policies that share the same revenue source for purposes of making debt service payments on the insured debt.
(2) - Represents contractual principal and interest payments due by the issuer of the obligations insured by MBIA.
(3) - The gross claim liability with respect to Puerto Rico exposures are net of expected recoveries for policies in a net payable position.
(4) - Gross potential recoveries with respect to certain Puerto Rico exposures are net of the claim liability for policies in a net recoverable position.
(5) - Represents discount related to Gross Claim Liability and Gross Potential Recoveries.

					Surveillance Categories
					Caution			Caution			Caution
					List			List			List			Classified
$ in millions					Low			Medium			High			List			Total
Number of policies						90			6			3			331			430
Number of issues (1)						17			4			2			126			149
Remaining weighted average contract
	period (in years)					7.5			3.4			7.2			7.0			7.1
Gross insured contractual payments
	outstanding: (2)
		Principal			$	2,917		$	17		$	320		$	7,031		$	10,285
		Interest				2,795			4			107			2,777			5,683
			Total		$	5,712		$	21		$	427		$	9,808		$	15,968
Gross Claim Liability (3)					$	-		$	-		$	-		$	718		$	718
Less:
	Gross Potential Recoveries (4)					-			-			-			770			770
	Discount, net (5)					-			-			-			(75)			(75)
Net claim liability (recoverable)					$	-		$	-		$	-		$	23		$	23
Unearned premium revenue					$	9		$	-		$	8		$	68		$	85
__________
(1) - An “issue” represents the aggregate of financial guarantee policies that share the same revenue source for purposes of making debt service payments on the insured debt.
(2) - Represents contractual principal and interest payments due by the issuer of the obligations insured by MBIA.
(3) - The gross claim liability with respect to Puerto Rico and Zohar II exposures are net of expected recoveries for policies in a net payable position.
(4) - Gross potential recoveries with respect to certain Puerto Rico exposures are net of the claim liability for policies in a net recoverable position.
(5) - Represents discount related to Gross Claim Liability and Gross Potential Recoveries.

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- Definition

Schedule Of Insurance Loss Recoverable And Changes In Recoveries On Unpaid Losses [Text Block]

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Schedule Of Insurance Loss Reserves And Recoverables For Insured Obligations [Text Block]

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Tabular disclosure of insured financial obligations with credit deterioration related to the claim liability on financial guarantee insurance contracts as of the end of each annual and interim reporting period detailing, at a minimum, the following for each surveillance category or grouping used to track and monitor the entity's insured financial obligations: (1) number of issued and outstanding financial guarantee insurance contracts; (2) remaining weighted average contract period; (3) insured contractual payments outstanding, segregating principal and interest; (4) gross claim liability; (5) gross potential recoveries; (6) net discount of both the claim liability and potential recoveries; (7) net claim liability; (8) reinsurance recoverable; and (9) unearned premium revenue.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 40
-Section 50
-Paragraph 9
-Subparagraph (a)(5), (b)(1)
-URI http://asc.fasb.org/extlink&oid=6933314&loc=SL5749324-161292

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 40
-Section 55
-Paragraph 34
-URI http://asc.fasb.org/extlink&oid=34726416&loc=SL5751140-161288

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