XML 78 R60.htm IDEA: XBRL DOCUMENT
v3.21.2

Loans and Related Allowance for Credit Losses (Financial Impact and TDRs by Concession Type) (Details) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2021 USD ($) loan | Sep. 30, 2020 USD ($) loan | Sep. 30, 2021 USD ($) loan | Sep. 30, 2020 USD ($) loan
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Number of Loans | loan | 1,353 | 2,785 | 4,865 | 9,983
Pre-TDR Amortized Cost Basis | $ 154 | $ 141 | $ 406 | $ 443
Post-TDR Amortized Cost Basis | 167 | 119 | 392 | 406
Rate Reduction |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Post-TDR Amortized Cost Basis | 21 | 36 | 49 | 77
Other |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Post-TDR Amortized Cost Basis | $ 146 | 83 | 343 | 290
Principal Forgiveness |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Post-TDR Amortized Cost Basis |  |  |  | $ 39
Total commercial |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Number of Loans | loan | 13 | 16 | 43 | 58
Pre-TDR Amortized Cost Basis | $ 123 | $ 95 | $ 320 | $ 304
Post-TDR Amortized Cost Basis | 139 | 79 | 315 | 280
Total commercial | Rate Reduction |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Post-TDR Amortized Cost Basis |  | 10 |  | 10
Total commercial | Other |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Post-TDR Amortized Cost Basis | $ 139 | $ 69 | $ 315 | 231
Total commercial | Principal Forgiveness |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Post-TDR Amortized Cost Basis |  |  |  | $ 39
Total consumer |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Number of Loans | loan | 1,340 | 2,769 | 4,822 | 9,925
Pre-TDR Amortized Cost Basis | $ 31 | $ 46 | $ 86 | $ 139
Post-TDR Amortized Cost Basis | 28 | 40 | 77 | 126
Total consumer | Rate Reduction |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Post-TDR Amortized Cost Basis | 21 | 26 | 49 | 67
Total consumer | Other |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Post-TDR Amortized Cost Basis | $ 7 | $ 14 | $ 28 | $ 59

X
- Definition Financing Receivable, Troubled Debt Restructuring, Postmodification, Amortized Cost + References No definition available. + Details
Name: | pnc_FinancingReceivableTroubledDebtRestructuringPostmodificationAmortizedCost
Namespace Prefix: | pnc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Financing Receivable, Troubled Debt Restructuring, Premodification, Amortized Cost + References No definition available. + Details
Name: | pnc_FinancingReceivableTroubledDebtRestructuringPremodificationAmortizedCost
Namespace Prefix: | pnc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- 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. + References No definition available. + Details
Name: | us-gaap_FinancingReceivableModificationsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of financing receivables that have been modified by troubled debt restructurings. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953676-111524 + Details
Name: | us-gaap_FinancingReceivableModificationsNumberOfContracts2
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_LoanRestructuringModificationAxis=us-gaap_ContractualInterestRateReductionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LoanRestructuringModificationAxis=pnc_OtherTDRConcessionTypeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LoanRestructuringModificationAxis=us-gaap_PrincipalForgivenessMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_CommercialPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_ConsumerPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |