Subsequent Events (Narrative) (Details) (USD $) In Millions, unless otherwise specified			7 Months Ended
Jul. 30, 2012	Jun. 30, 2012	Jul. 30, 2012 PNC Capital Trust E [Member]	Jul. 30, 2012 National City Capital Trust IV [Member]
Subsequent Event [Line Items]
Trust Preferred Securities Redemption Date			Jul. 30, 2012	Jul. 30, 2012
Trust preferred securities			$ 450.0	$ 517.5
Stated interest rate			7.75%	8.00%
Final maturity date			Mar. 15, 2038	Sep. 15, 2047
Debt Instrument, Unamortized Discount	$ 95	$ 130

The amount of debt discount that was originally recognized at the issuance of the instrument that has yet to be amortized.

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

-Publisher FASB

-Name FASB Staff Position (FSP)

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-Subparagraph b

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 AICPA

-Name Accounting Principles Board Opinion (APB)

-Number 21

-Paragraph 16, 20

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 45

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

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Name:	us-gaap_DebtInstrumentUnamortizedDiscount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant