Name:	pnc_AssetsSecuringCertainSpecificallyIdentifiedStandbyLettersOfCredit
Namespace Prefix:	pnc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Standby Letter of Credit, Term

No definition available.

Name:	pnc_StandbyLetterofCreditTerm
Namespace Prefix:	pnc_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Percentage of standby letters of credit (including risk participations in standby letters of credit and bankers' acceptances issued by other financial institutions) with an internal credit rating of pass, indicating the expected risk of loss is currently low.

No definition available.

Name:	pnc_StandbyLettersOfCreditPass
Namespace Prefix:	pnc_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

The current carrying amount of the liability for the freestanding or embedded guarantor's obligations under the guarantee or each group of similar guarantees.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=124440162&loc=d3e12069-110248

Name:	us-gaap_GuaranteeObligationsCurrentCarryingValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

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.

No definition available.