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This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents borrowed funds as of the balance sheet date.

No definition available.

Name:	pnc_BorrowedFundsFairValueDisclosure
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Represents interest-earning deposits which are not already measured at fair value on our our financial statements.

No definition available.

Name:	pnc_Interestearningdepositswithbanksfairvaluedisclosure2
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Data Type:	xbrli:monetaryItemType
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Represents the total amount of PNC's financial instrument liabilities which are not already measured at fair value on our our financial statements.

No definition available.

Name:	pnc_LiabilitiesFinancialInstrumentsTotal
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Data Type:	xbrli:monetaryItemType
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Period Type:	instant

Represents loans, excluding leases, which are not already measured at fair value on our our financial statements.

No definition available.

Name:	pnc_NetLoansExcludingLeasesFairValueDisclosure
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Represents other assets which are not already measured at fair value on our our financial statements.

No definition available.

Name:	pnc_OtherAssetsAdditionalFairValueInformation
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Data Type:	xbrli:monetaryItemType
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Period Type:	instant

Represents other liabilities which are not already measured at fair value on our our financial statements.

No definition available.

Name:	pnc_Otherliabilitiesadditionalfairvalueinformation
Namespace Prefix:	pnc_
Data Type:	xbrli:monetaryItemType
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Period Type:	instant

No definition available.

Name:	pnc_UnfundedLoanCommitmentsAndLettersOfCreditFairValueDisclosure
Namespace Prefix:	pnc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Fair value portion of deposit liabilities held by the entity, including, but not limited to, foreign and domestic, interest and noninterest bearing, demand deposits, saving deposits, negotiable orders of withdrawal (NOW) and time deposits.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Balance Type:	credit
Period Type:	instant

- References

No definition available.

Name:	us-gaap_FinancialInstrumentsFinancialAssetsBalanceSheetGroupingsAbstract
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Data Type:	xbrli:stringItemType
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- References

No definition available.

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Fair value of investment in debt security measured at amortized cost (held-to-maturity).

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
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Reference 5: http://www.xbrl.org/2003/role/disclosureRef
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Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
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