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Representations and Warranties Obligations and Corporate Guarantees - Litigation Settlement (Details) (USD $)
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0 Months Ended | 3 Months Ended | 6 Months Ended | 3 Months Ended | 6 Months Ended | 60 Months Ended | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Mar. 25, 2014
Federal Housing Finance Agency (FHFA) [Member]
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Mar. 31, 2014
Federal Housing Finance Agency (FHFA) [Member]
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Jun. 30, 2014
FGIC Settlement [Member]
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May 28, 2014
Second Mortgage [Member]
FGIC Settlement [Member]
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May 15, 2014
Second Mortgage [Member]
FGIC Settlement [Member]
trust
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Apr. 11, 2014
Second Mortgage [Member]
FGIC Settlement [Member]
trust
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Mar. 31, 2014
Federal Housing Finance Agency (FHFA) [Member]
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Jun. 30, 2014
Bank Of New York Mellon As Trustee [Member]
Investor
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Dec. 31, 2008
Bank Of New York Mellon As Trustee [Member]
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Jun. 28, 2011
Bank Of New York Mellon As Trustee [Member]
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Jun. 28, 2011
Bank Of New York Mellon As Trustee [Member]
First Mortgage [Member]
trust
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Jun. 28, 2011
Bank Of New York Mellon As Trustee [Member]
Second Mortgage [Member]
trust
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| Guarantor Obligations [Line Items] | ||||||||||||
| Number Of Trusts Involved In Settlement Agreement | 1 | 1 | 7 | 525 | 5 | |||||||
| Original Principal Balance Of Loans Originated | $ 424,000,000,000 | |||||||||||
| Original Principal Balance of Loans Originated During Period | 409,000,000,000 | |||||||||||
| Principal Amount Outstanding On Loans Securitized In Default | 220,000,000,000 | |||||||||||
| Principal Amount Outstanding On Loans Securitized In Default During Period | 217,000,000,000 | |||||||||||
| Number Of Institutional Investors Involved In Settlement Agreement | 22 | |||||||||||
| Litigation Settlement, Amount | 8,500,000,000 | |||||||||||
| Payments for Legal Settlements | 9,500,000,000 | 950,000,000 | ||||||||||
| Residential mortgage-backed securities received, fair value | 3,200,000,000 | |||||||||||
| FHFA Settlement, net cost | 6,300,000,000 | |||||||||||
| FHFA Settlement, charge | 3,700,000,000 | |||||||||||
| Loss Contingency, Loss in Period | $ 103,000,000 | |||||||||||