XML 78 R96.htm IDEA: XBRL DOCUMENT v2.4.1.9

Debt (Principal Payments For Investment Agreements, MTNs and VIE Obligations) (Detail) (USD $)
In Millions, unless otherwise specified

Dec. 31, 2014

Dec. 31, 2013

Debt Instrument [Line Items]

Total expected principal payments

$ 592us-gaap_DebtInstrumentCarryingAmount

$ 592us-gaap_DebtInstrumentCarryingAmount

Investment Agreement Obligations [Member]

Debt Instrument [Line Items]

2015

39us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths
/ us-gaap_DebtInstrumentAxis
= mbi_InvestmentAgreementObligationsMember

2016

40us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo
/ us-gaap_DebtInstrumentAxis
= mbi_InvestmentAgreementObligationsMember

2017

56us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree
/ us-gaap_DebtInstrumentAxis
= mbi_InvestmentAgreementObligationsMember

2018

17us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour
/ us-gaap_DebtInstrumentAxis
= mbi_InvestmentAgreementObligationsMember

2019

8us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive
/ us-gaap_DebtInstrumentAxis
= mbi_InvestmentAgreementObligationsMember

Thereafter

455us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive
/ us-gaap_DebtInstrumentAxis
= mbi_InvestmentAgreementObligationsMember

Total expected principal payments

615us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_DebtInstrumentAxis
= mbi_InvestmentAgreementObligationsMember

^[1]

Less discount and other adjustments

68mbi_DiscountsNetOfFairValueAdjustmentsAndAccruedInterest
/ us-gaap_DebtInstrumentAxis
= mbi_InvestmentAgreementObligationsMember

Total

547us-gaap_BorrowingsUnderGuaranteedInvestmentAgreements
/ us-gaap_DebtInstrumentAxis
= mbi_InvestmentAgreementObligationsMember

Less unamortized discount

75us-gaap_DebtInstrumentUnamortizedDiscount
/ us-gaap_DebtInstrumentAxis
= mbi_InvestmentAgreementObligationsMember

Accrued interest

7us-gaap_InterestPayableCurrentAndNoncurrent
/ us-gaap_DebtInstrumentAxis
= mbi_InvestmentAgreementObligationsMember

Medium Term Notes [Member]

Debt Instrument [Line Items]

2015

102us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths
/ us-gaap_DebtInstrumentAxis
= us-gaap_MediumTermNotesMember

2016

119us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo
/ us-gaap_DebtInstrumentAxis
= us-gaap_MediumTermNotesMember

2017

53us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree
/ us-gaap_DebtInstrumentAxis
= us-gaap_MediumTermNotesMember

2018

59us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour
/ us-gaap_DebtInstrumentAxis
= us-gaap_MediumTermNotesMember

2019

61us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive
/ us-gaap_DebtInstrumentAxis
= us-gaap_MediumTermNotesMember

Thereafter

1,152us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive
/ us-gaap_DebtInstrumentAxis
= us-gaap_MediumTermNotesMember

Total expected principal payments

1,546us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_DebtInstrumentAxis
= us-gaap_MediumTermNotesMember

^[2]

Less discount and other adjustments

345mbi_DiscountsNetOfFairValueAdjustmentsAndAccruedInterest
/ us-gaap_DebtInstrumentAxis
= us-gaap_MediumTermNotesMember

Total

1,201us-gaap_BorrowingsUnderGuaranteedInvestmentAgreements
/ us-gaap_DebtInstrumentAxis
= us-gaap_MediumTermNotesMember

Less unamortized discount

306us-gaap_DebtInstrumentUnamortizedDiscount
/ us-gaap_DebtInstrumentAxis
= us-gaap_MediumTermNotesMember

Fair value adjustments

45mbi_DebtInstrumentFairValueAdjustment
/ us-gaap_DebtInstrumentAxis
= us-gaap_MediumTermNotesMember

Accrued interest

6us-gaap_InterestPayableCurrentAndNoncurrent
/ us-gaap_DebtInstrumentAxis
= us-gaap_MediumTermNotesMember

Variable Interest Entity Debt [Member] | International And Structured Finance Insurance [Member]

Debt Instrument [Line Items]

2015

471us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths
/ us-gaap_DebtInstrumentAxis
= mbi_VariableInterestEntityDebtMember
/ us-gaap_StatementBusinessSegmentsAxis
= mbi_StructuredFinanceAndInternationalInsuranceMember

2016

336us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo
/ us-gaap_DebtInstrumentAxis
= mbi_VariableInterestEntityDebtMember
/ us-gaap_StatementBusinessSegmentsAxis
= mbi_StructuredFinanceAndInternationalInsuranceMember

2017

346us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree
/ us-gaap_DebtInstrumentAxis
= mbi_VariableInterestEntityDebtMember
/ us-gaap_StatementBusinessSegmentsAxis
= mbi_StructuredFinanceAndInternationalInsuranceMember

2018

321us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour
/ us-gaap_DebtInstrumentAxis
= mbi_VariableInterestEntityDebtMember
/ us-gaap_StatementBusinessSegmentsAxis
= mbi_StructuredFinanceAndInternationalInsuranceMember

2019

299us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive
/ us-gaap_DebtInstrumentAxis
= mbi_VariableInterestEntityDebtMember
/ us-gaap_StatementBusinessSegmentsAxis
= mbi_StructuredFinanceAndInternationalInsuranceMember

Thereafter

3,031us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive
/ us-gaap_DebtInstrumentAxis
= mbi_VariableInterestEntityDebtMember
/ us-gaap_StatementBusinessSegmentsAxis
= mbi_StructuredFinanceAndInternationalInsuranceMember

Total expected principal payments

4,804us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_DebtInstrumentAxis
= mbi_VariableInterestEntityDebtMember
/ us-gaap_StatementBusinessSegmentsAxis
= mbi_StructuredFinanceAndInternationalInsuranceMember

^[3]

Net fair value

$ 2,000us-gaap_DebtInstrumentFairValue
/ us-gaap_DebtInstrumentAxis
= mbi_VariableInterestEntityDebtMember
/ us-gaap_StatementBusinessSegmentsAxis
= mbi_StructuredFinanceAndInternationalInsuranceMember

[1]	Amounts reflect principal due at maturity for presented in investment agreements issued at a discount.
[2]	Amounts reflect principal due at maturity for notes issued at a discount or premium.
[3]	Includes $2.0 billion of VIE notes accounted for at fair value as of December 31, 2014.

X

- Definition

Fair value adjustment.

+ References

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X

- Definition

Discounts net of fair value adjustments and accrued interest.

+ References

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X

- Definition

Carrying value as of the balance sheet date of the sum of the obligations to contract holders to provide to them an agreed upon rate of return pursuant to the terms of the underlying contract. These contracts represent lending by the contract holders to the entity in return for a guaranteed (primarily fixed) interest rate until maturity, unless called earlier if the contracts provide that option to the contract holders (usually institutions). There is little or no insurance risk for the entity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-03.14)

-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

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X

- Definition

Amount of long-term debt before deduction of unamortized discount or premium. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, with initial maturities beyond one year or the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 20

-Article 5



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5



Reference 3: http://www.xbrl.org/2003/role/presentationRef

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-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682



Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 16

-Article 9

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X

- Definition

Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 10

-Subparagraph (a)

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-Section 50

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X

- Definition

The amount of debt discount that was originally recognized at the issuance of the instrument that has yet to be amortized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 45

-Paragraph 1A

-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28541-108399



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X

- Definition

Amount of interest payable on debt, including, but not limited to, trade payables.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.15(5))

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878



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Amount of long-term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates maturing after the fifth fiscal year following the latest fiscal year.

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Amount of long-term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates maturing in the next fiscal year following the latest fiscal year.

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Amount of long-term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates maturing in the fifth fiscal year following the latest fiscal year.

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Amount of long-term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates maturing in the fourth fiscal year following the latest fiscal year.

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Amount of long-term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates maturing in the third fiscal year following the latest fiscal year.

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Amount of long-term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates maturing in the second fiscal year following the latest fiscal year.

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