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Representations and Warranties Obligations and Corporate Guarantees - Loan Repurchases (Details) (USD $)
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3 Months Ended | 12 Months Ended | |
|---|---|---|---|
|
Mar. 31, 2014
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Mar. 31, 2013
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Dec. 31, 2013
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| Guarantor Obligations [Line Items] | |||
| Loss On Repurchase Or Reimbursement Of Repurchase Claims For First Lien Mortgages And Home Equity Loans From The Investor Or Securitization Trust | $ 1,200,000,000 | $ 1,200,000,000 | |
| Unpaid Principal Balance | 158,000,000 | 564,000,000 | |
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First Lien Mortgages [Member]
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| Guarantor Obligations [Line Items] | |||
| Unpaid Principal Balance | 147,000,000 | 556,000,000 | |
| Cash Paid for Repurchases | 79,000,000 | 499,000,000 | |
| Loss | 40,000,000 | 118,000,000 | |
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Obligation to Repurchase Receivables Sold [Member]
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| Guarantor Obligations [Line Items] | |||
| Loss | 51,000,000 | 127,000,000 | |
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Obligation to Repurchase Receivables Sold [Member] | First Lien Mortgages [Member]
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| Guarantor Obligations [Line Items] | |||
| Unpaid Principal Balance | 46,000,000 | 421,000,000 | |
| Cash Paid for Repurchases | 51,000,000 | 437,000,000 | |
| Loss | 12,000,000 | 56,000,000 | |
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Indemnification Agreement [Member]
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| Guarantor Obligations [Line Items] | |||
| Cash Paid for Repurchases | 90,000,000 | 508,000,000 | |
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Indemnification Agreement [Member] | First Lien Mortgages [Member]
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| Guarantor Obligations [Line Items] | |||
| Unpaid Principal Balance | 101,000,000 | 135,000,000 | |
| Cash Paid for Repurchases | 28,000,000 | 62,000,000 | |
| Loss | 28,000,000 | 62,000,000 | |
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Indemnification Agreement [Member] | Home Equity [Member]
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| Guarantor Obligations [Line Items] | |||
| Unpaid Principal Balance | 11,000,000 | 8,000,000 | |
| Cash Paid for Repurchases | 11,000,000 | 9,000,000 | |
| Loss | $ 11,000,000 | $ 9,000,000 | |