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v3.25.0.1

Fair Value (Narrative) (Details) - USD ($) $ in Billions | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Jun. 30, 2024 | Dec. 31, 2024 | Dec. 31, 2023
Carrying value of FHLB and FRB stock |  | $ 2.1 | $ 2.7
Distributions received over the life of the partnerships from liquidation of the underlying investments by the investee, period |  | 12 years |
Sensitivity analysis of fair value, inputs change for fair value |  | 0.10% |
Shares exchange program, percentage of shares monetized | 50.00% |  |

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- Definition This element represents the sum of the carrying values of FHLB and FRB stock. + References No definition available. + Details
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Namespace Prefix: | pnc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Distributions Received Over The Life Of The Partnerships From Liquidation Of The Underlying Investments By The Investee, Period + References No definition available. + Details
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Namespace Prefix: | pnc_
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Balance Type: | na
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- Definition Sensitivity Analysis Of Fair Value, Inputs Change For Fair Value + References No definition available. + Details
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Namespace Prefix: | pnc_
Data Type: | dtr-types1:percentItemType
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- Definition Shares Exchange Program, Percentage Of Shares Monetized + References No definition available. + Details
Name: | pnc_SharesExchangeProgramPercentageOfSharesMonetized
Namespace Prefix: | pnc_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration