Debt Instrument Maturity Year

No definition available.

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- Details

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

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 210.5-02.22(a)(1))

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

+ Details

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Period Type:	instant

- Definition

Latest date the outstanding debt instruments are required to be repaid, in CCYY-MM-DD format.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

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 210.5-02.22(a)(2))

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

+ Details

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Period Type:	duration

- Definition

Earliest date the outstanding debt instruments are required to be repaid, in CCYY-MM-DD format.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

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 210.5-02.22(a)(2))

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

+ Details

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Borrowings - Long-term Borrowings (Parenthetical) (Detail)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Feb. 28, 2014
Schedule Of Borrowings [Line Items]
Interest rate of debt instrument			8.50%
Debt Maturity, Start Date	Jan. 01, 2027
Debt Maturity, End Date	Dec. 31, 2033
Variable Rate Due 2016 [Member]
Schedule Of Borrowings [Line Items]
Debt maturity date	2016	2016
Senior Notes Due 2017 [Member]
Schedule Of Borrowings [Line Items]
Debt maturity date	2017	2017
1.25% Due 2017 [Member]
Schedule Of Borrowings [Line Items]
Interest rate of debt instrument	1.25%	1.25%
Debt maturity date	2017	2017
1.40% Due 2017 [Member]
Schedule Of Borrowings [Line Items]
Interest rate of debt instrument	1.40%	1.40%
Debt maturity date	2017	2017
1.45% Due 2018 [Member]
Schedule Of Borrowings [Line Items]
Interest rate of debt instrument	1.45%	1.45%
Debt maturity date	2018	2018
2.25% Due 2019 [Member]
Schedule Of Borrowings [Line Items]
Interest rate of debt instrument	2.25%	2.25%
Debt maturity date	2019	2019
2.30% Due 2019 [Member]
Schedule Of Borrowings [Line Items]
Interest rate of debt instrument	2.30%	2.30%
Debt maturity date	2019	2019
8.5% due 2018 [Member]
Schedule Of Borrowings [Line Items]
Interest rate of debt instrument	8.50%	8.50%
Debt maturity date	2018	2018
6.625% due 2017 [Member]
Schedule Of Borrowings [Line Items]
Interest rate of debt instrument	6.625%	6.625%
Debt maturity date	2017	2017
9.5% due 2018 [Member]
Schedule Of Borrowings [Line Items]
Interest rate of debt instrument	9.50%	9.50%
Debt maturity date	2018	2018
5.585% due 2020, Variable Rate Commencing 2015 [Member]
Schedule Of Borrowings [Line Items]
Interest rate of debt instrument	5.585%	5.585%
Debt Maturity, Start Date	Jan. 01, 2015	Jan. 01, 2015
Debt Maturity, End Date	Dec. 31, 2020	Dec. 31, 2020
5.629% due 2021, Variable Rate Commencing 2016 [Member]
Schedule Of Borrowings [Line Items]
Interest rate of debt instrument	5.629%	5.629%
Debt Maturity, Start Date	Jan. 01, 2016	Jan. 01, 2016
Debt Maturity, End Date	Dec. 31, 2021	Dec. 31, 2021
M&T Capital Trust I - 8.234%, due 2027 [Member]
Schedule Of Borrowings [Line Items]
Interest rate of debt instrument	8.234%	8.234%
Debt maturity date	2027	2027
M&T Capital Trust II - 8.277%, due 2027 [Member]
Schedule Of Borrowings [Line Items]
Interest rate of debt instrument	8.277%	8.277%
Debt maturity date	2027	2027
M&T Capital Trust III - 9.25%, due 2027 [Member]
Schedule Of Borrowings [Line Items]
Interest rate of debt instrument	9.25%	9.25%
Debt maturity date	2027	2027
BSB Capital Trust I - 8.125%, due 2028 [Member]
Schedule Of Borrowings [Line Items]
Interest rate of debt instrument	8.125%	8.125%
Debt maturity date	2028	2028
Provident Trust I - 8.29%, due 2028 [Member]
Schedule Of Borrowings [Line Items]
Interest rate of debt instrument	8.29%	8.29%
Debt maturity date	2028	2028
Southern Financial Statutory Trust I - 10.60%, due 2030 [Member]
Schedule Of Borrowings [Line Items]
Interest rate of debt instrument	10.60%	10.60%
Debt maturity date	2030	2030
M&T Capital Trust IV - 8.50%, due 2068 [Member]
Schedule Of Borrowings [Line Items]
Interest rate of debt instrument	8.50%	8.50%
Debt maturity date	2068	2068
First Maryland Capital I - due 2027 [Member]
Schedule Of Borrowings [Line Items]
Debt maturity date	2027	2027
First Maryland Capital II - due 2027 [Member]
Schedule Of Borrowings [Line Items]
Debt maturity date	2027	2027
Allfirst Asset Trust - due 2029 [Member]
Schedule Of Borrowings [Line Items]
Debt maturity date	2029	2029
BSB Capital Trust III - due 2033 [Member]
Schedule Of Borrowings [Line Items]
Debt maturity date	2033	2033
Provident Trust III - due 2033 [Member]
Schedule Of Borrowings [Line Items]
Debt maturity date	2033	2033
Southern Financial Capital Trust III - due 2033 [Member]
Schedule Of Borrowings [Line Items]
Debt maturity date	2033	2033