Gross realized gains on investment securities.

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- Definition

Investment Securities Gross Unrealized Losses.

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- Definition

Investment Securities.

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- Definition

Number of investment securities.

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- Definition

Other Securities Cost.

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- Definition

Parenthetical disclosure of holdings of Federal Home Loan Bank and Federal Reserve Bank Stock (at fair value).

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- Definition

Residential mortgage-backed securities at cost.

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- Definition

Unrealized losses on trust preferred securities issued by financial institutions and securities backed by trust preferred securities.

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- Definition

Unrealized losses pertain to privately issued residential mortgage-backed securities.

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- Definition

This item represents the net total realized and unrealized gain (loss) included in earnings for the period as a result of selling or holding marketable securities categorized as trading, available-for-sale, or held-to-maturity, including the unrealized holding gain (loss) of held-to-maturity securities transferred to the trading security category and the cumulative unrealized gain (loss) which was included in other comprehensive income (a separate component of shareholders' equity) for available-for-sale securities transferred to trading securities during the period. Additionally, this item would include any gains (losses) realized during the period from the sale of investments accounted for under the cost method of accounting and losses recognized for other than temporary impairments (OTTI) of the subject investments.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3602-108585

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

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-Subparagraph (SX 210.5-03.7(c),9(a))

-URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 95

-Paragraph 28

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

-Publisher FASB

-Name Accounting Standards Codification

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-SubTopic 10

-Section 50

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-Subparagraph (c)-(e)

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Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 115

-Paragraph 13, 22

-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 6: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Article 5

-Section 03

-Paragraph 7

Reference 7: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

-SubTopic 10

-Section 50

-Paragraph 10

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=6872113&loc=d3e27405-111563

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Cost of the investment.

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- Definition

The amount of other than temporary impairment losses on investments in debt and equity securities categorized as Available-for-sale which have been recognized in earnings during the period. Such impairment losses consist of other than temporary impairments (OTTI) on equity securities, credit losses on investments in debt securities, and when the entity intends to sell an impaired debt security or it is more likely than not that the entity will be required to sell the impaired debt security before recovery of its amortized cost basis.

+ References

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

-Publisher FASB

-Name FASB Staff Position (FSP)

-Number FAS115-1/124-1

-Paragraph 7

-Footnote 2

-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 FASB Staff Position (FSP)

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-Paragraph 15C

-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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-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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Investment Securities (Details Textual) (USD $)	3 Months Ended	9 Months Ended		3 Months Ended			9 Months Ended	6 Months Ended		3 Months Ended		9 Months Ended
Investment Securities (Details Textual) (USD $)	Sep. 30, 2011 Modification Investment Security	Sep. 30, 2011 Modification Investment Security	Dec. 31, 2010	Jun. 30, 2011 Government issued or guaranteed [Member]	Mar. 31, 2011 Government issued or guaranteed [Member]	Sep. 30, 2010 Privately issued residential mortgage backed securities [Member]	Sep. 30, 2010 Privately issued residential mortgage backed securities [Member]	Jun. 30, 2011 Trust preferred securities [Member]	Jun. 30, 2011 Collateralized Debt Obligations [Member]	Jun. 30, 2010 American depositary shares [Member]	Sep. 30, 2010 Investment Securities [Member]	Sep. 30, 2010 Investment Securities [Member]
Investment Holdings [Line Items]
Aggregate amortized cost on mortgage-backed securities				$ 1,000,000,000	$ 484,000,000			$ 136,000,000	$ 100,000,000
Pre-tax gain on sale of mortgage-backed securities				66,000,000	39,000,000			25,000,000	20,000,000
Pre-tax other-than-temporary impairment losses						10,000,000	52,000,000			12,000,000	10,000,000	59,000,000
Investment securities (Textual) [Abstract]
Gross realized gains on investment securities	90,000	150,000,000
Number of investment securities with aggregate gross unrealized losses	317	317
Unrealized losses on individual investment securities	382,284,000	382,284,000	426,828,000
Unrealized losses on privately issued residential mortgage-backed securities		234,000,000
Residential mortgage-backed securities at cost	1,300,000,000	1,300,000,000	1,500,000,000
Unrealized losses on trust preferred securities issued by financial institutions and securities backed by trust preferred securities		43,000,000
Other debt securities at cost	200,000,000	200,000,000
Other debt securities, fair value	$ 376,082,000	$ 376,082,000	$ 412,709,000