Initial principal amount of loans securitized.

No definition available.

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- Definition

Loans Sold To Trust, With Claims of Breach of Contract and Indemnity

+ References

No definition available.

+ Details

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- Definition

Losses Related To Discontinued Operations, Percentage

+ References

No definition available.

+ Details

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- Definition

Severance benefits claim.

+ References

No definition available.

+ Details

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- Definition

Aggregate carrying amount of the estimated litigation liability for known or estimated probable loss from litigation, which may include attorneys' fees and other litigation costs.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6952336&loc=d3e14326-108349

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.25)

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

+ Details

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Period Type:	instant

- Details

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- Definition

The portion of the carrying amount as of the balance sheet date of the combined total of loss contingency liabilities which is expected to be resolved after one year or beyond the normal operating cycle, if longer.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6952336&loc=d3e14326-108349

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 5

-Paragraph 9, 10, 11, 12

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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- Definition

Reflects the estimated amount of loss from the specified contingency as of the balance sheet date.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 5

-Paragraph 9, 10, 11, 12

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 50

-Paragraph 4

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6952336&loc=d3e14435-108349

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 50

-Paragraph 9

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6952336&loc=d3e14557-108349

+ Details

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Balance Type:	debit
Period Type:	instant

- Definition

The total amount of pending claims pertaining to a loss contingency accrual as of the balance sheet date.

+ References

+ Details

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- Definition

This is the principal amount outstanding for securitized loans only (across all types of loans).

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 860

-SubTopic 20

-Section 50

-Paragraph 4

-Subparagraph (e)

-URI http://asc.fasb.org/extlink&oid=13989330&loc=d3e107314-111719

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 140

-Paragraph 17

-Subparagraph i

-Subclause a

-Clause 4

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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

-Publisher FASB

-Name FASB Staff Position (FSP)

-Number FAS140-4/FIN46(R)-8

-Paragraph B11

-Subparagraph b

-Clause 6

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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Litigation And Related Contingencies (Details) (USD $)					6 Months Ended
Litigation And Related Contingencies (Details) (USD $)	Oct. 31, 2013	Apr. 30, 2013	Apr. 05, 2013 loan	Oct. 31, 2012	Oct. 31, 2013 Investigations, Legal Claims And Lawsuits	Oct. 31, 2013 Minimum Investigations, Legal Claims And Lawsuits	Oct. 31, 2013 Maximum Investigations, Legal Claims And Lawsuits	Oct. 31, 2013 Jeanne Drake, et al. v. Option One Mortgage Corp., et al [Member]	Oct. 31, 2013 ederal Home Loan Bank of Chicago v. Bank of America Funding Corporation, et al [Member] Pending Litigation [Member]	Oct. 15, 2010 ederal Home Loan Bank of Chicago v. Bank of America Funding Corporation, et al [Member] Pending Litigation [Member]	Apr. 30, 2013 MGRID LLC v. Merrill Lynch Mortgage Lending Inc [Member] lawsuit	Apr. 30, 2013 MGRID LLC v. Merrill Lynch Mortgage Lending Inc [Member] SCC [Member]	Apr. 30, 2013 MGRID LLC v. Merrill Lynch Mortgage Lending Inc [Member] SCC [Member] Claims with Knowledge of Outstanding Principal Amount [Member]
Loss Contingencies [Line Items]
Accrued obligations under indemnifications	$ 20,600,000	$ 11,900,000		$ 20,800,000
Liability for legal claims						0	33,000,000
Percentage of legal liability related to discontinued operations					21.00%
Claims for severance benefits								8,000,000
Initial principal on loans securitized										50,000,000
Principal outstanding on loans securitized									38,000,000
Loans Sold To Trust, With Claims of Breach of Contract and Indemnity			159
Number Of Lawsuits											17
Estimated Litigation Liability												$ 14,000,000,000	$ 4,000,000,000