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Fair Value (Fair Value Measurements- Recurring Quantitative Information) (Details) - Fair Value, Recurring $ in Millions | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2021 USD ($) | Dec. 31, 2020 USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Recurring assets - fair value | $ 142,065 | $ 103,035
Financial and nonfinancial liabilities, fair value disclosure | (4,653) | (3,506)
Level 3 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Recurring assets - fair value | 6,305 | 5,137
Financial and nonfinancial liabilities, fair value disclosure | (326) | (318)
Total recurring assets net of recurring liabilities - fair value | 5,979 | 4,819
Level 3 | Loans held for sale | Commercial mortgage loans held for sale | Discounted Cash Flow, Spread Over the Benchmark Curve |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Recurring assets - fair value | $ 52 | $ 57
Level 3 | Loans held for sale | Commercial mortgage loans held for sale | Discounted cash flow | Minimum |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Spread over the benchmark curve | 6.20% | 6.30%
Level 3 | Loans held for sale | Commercial mortgage loans held for sale | Discounted cash flow | Maximum |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Spread over the benchmark curve | 78.80% | 52.75%
Level 3 | Loans held for sale | Commercial mortgage loans held for sale | Discounted cash flow | Weighted Average |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Spread over the benchmark curve | 49.50% | 34.06%
Level 3 | Loans held for sale | Other consumer loans held for sale | Consensus Pricing |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Recurring assets - fair value | $ 239 |
Level 3 | Securities available for sale | Residential mortgage-backed | Priced By A Third Party Vendor Using Discounted Cash Flow Pricing Model |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Recurring assets - fair value | $ 1,237 | $ 1,365
Level 3 | Securities available for sale | Residential mortgage-backed | Priced By A Third Party Vendor Using Discounted Cash Flow Pricing Model | Weighted Average |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Spread over the benchmark curve | 1.76% | 2.42%
Level 3 | Securities available for sale | Asset-backed | Priced By A Third Party Vendor Using Discounted Cash Flow Pricing Model |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Recurring assets - fair value | $ 175 | $ 199
Level 3 | Securities available for sale | Asset-backed | Priced By A Third Party Vendor Using Discounted Cash Flow Pricing Model | Weighted Average |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Spread over the benchmark curve | 1.97% | 2.91%
Level 3 | Loans - Residential real estate | Discounted cash flow |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Recurring assets - fair value | $ 125 | $ 132
Level 3 | Loans - Residential real estate | Consensus Pricing |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Recurring assets - fair value | $ 662 | $ 434
Level 3 | Loans - Residential real estate | Consensus Pricing | Minimum |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Cumulative default rate | 3.60% | 3.60%
Level 3 | Loans - Residential real estate | Consensus Pricing | Maximum |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Cumulative default rate | 100.00% | 100.00%
Level 3 | Loans - Residential real estate | Consensus Pricing | Weighted Average |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Cumulative default rate | 79.70% | 82.10%
Level 3 | Loans - Residential real estate | Consensus Pricing | Minimum |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Credit and liquidity discount |  | 17.50%
Level 3 | Loans - Residential real estate | Consensus Pricing | Maximum |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Credit and liquidity discount |  | 97.00%
Level 3 | Loans - Residential real estate | Consensus Pricing | Weighted Average |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Credit and liquidity discount |  | 57.70%
Level 3 | Loans - Home equity | Consensus Pricing |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Recurring assets - fair value | $ 19 | $ 21
Level 3 | Loans - Home equity | Consensus Pricing | Minimum |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Cumulative default rate | 3.60% | 3.60%
Level 3 | Loans - Home equity | Consensus Pricing | Maximum |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Cumulative default rate | 100.00% | 100.00%
Level 3 | Loans - Home equity | Consensus Pricing | Weighted Average |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Cumulative default rate | 83.90% | 88.50%
Level 3 | Loans - Home equity | Consensus Pricing |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Recurring assets - fair value | $ 173 | $ 60
Level 3 | Loans - Home equity | Consensus Pricing | Minimum |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Credit and liquidity discount | 0.00% |
Level 3 | Loans - Home equity | Consensus Pricing | Maximum |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Credit and liquidity discount | 100.00% |
Level 3 | Loans - Home equity | Consensus Pricing | Weighted Average |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Credit and liquidity discount | 35.70% |
Level 3 | Equity investments | Multiple of adjusted earnings |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Recurring assets - fair value | $ 1,540 | $ 1,263
Level 3 | Equity investments | Multiple of adjusted earnings | Minimum |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Multiple of earnings | 0.040 | 0.050
Level 3 | Equity investments | Multiple of adjusted earnings | Maximum |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Multiple of earnings | 0.287 | 0.159
Level 3 | Equity investments | Multiple of adjusted earnings | Weighted Average |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Multiple of earnings | 0.092 | 0.087
Level 3 | Mortgage Servicing Rights | Commercial mortgage loans held for sale | Discounted cash flow |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Recurring assets - fair value | $ 682 | $ 569
Level 3 | Mortgage Servicing Rights | Residential mortgage loans held for sale | Discounted cash flow |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Recurring assets - fair value | $ 1,111 | $ 673
Level 3 | Mortgage Servicing Rights | Residential mortgage loans held for sale | Discounted cash flow | Minimum |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Spread over the benchmark curve | 3.62% | 3.25%
Level 3 | Mortgage Servicing Rights | Residential mortgage loans held for sale | Discounted cash flow | Maximum |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Spread over the benchmark curve | 26.61% | 27.83%
Level 3 | Mortgage Servicing Rights | Residential mortgage loans held for sale | Discounted cash flow | Weighted Average |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Spread over the benchmark curve | 8.81% | 9.22%
Level 3 | Financial derivatives | Visa Class B Swap | Discounted cash flow |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Financial and nonfinancial liabilities, fair value disclosure | $ (182) | $ (252)
Estimated growth rate of Visa Class A share price | 16.00% | 16.00%
Level 3 | Financial derivatives | Visa Class B Swap | Discounted cash flow | Weighted Average |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Estimated conversion factor of Class B shares into Class A shares | 162.30% | 162.30%
Level 3 | Insignificant Assets, Net of Liabilities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Recurring assets - fair value | $ 146 | $ 298
Measurement Input, Constant Prepayment Rate | Level 3 | Securities available for sale | Residential mortgage-backed | Priced By A Third Party Vendor Using Discounted Cash Flow Pricing Model | Minimum |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Debt securities, measurement input | 0.010 | 0.010
Measurement Input, Constant Prepayment Rate | Level 3 | Securities available for sale | Residential mortgage-backed | Priced By A Third Party Vendor Using Discounted Cash Flow Pricing Model | Maximum |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Debt securities, measurement input | 0.307 | 0.376
Measurement Input, Constant Prepayment Rate | Level 3 | Securities available for sale | Residential mortgage-backed | Priced By A Third Party Vendor Using Discounted Cash Flow Pricing Model | Weighted Average |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Debt securities, measurement input | 0.111 | 0.086
Measurement Input, Constant Prepayment Rate | Level 3 | Securities available for sale | Asset-backed | Priced By A Third Party Vendor Using Discounted Cash Flow Pricing Model | Minimum |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Debt securities, measurement input | 0.010 | 0.010
Measurement Input, Constant Prepayment Rate | Level 3 | Securities available for sale | Asset-backed | Priced By A Third Party Vendor Using Discounted Cash Flow Pricing Model | Maximum |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Debt securities, measurement input | 0.400 | 0.220
Measurement Input, Constant Prepayment Rate | Level 3 | Securities available for sale | Asset-backed | Priced By A Third Party Vendor Using Discounted Cash Flow Pricing Model | Weighted Average |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Debt securities, measurement input | 0.094 | 0.074
Measurement Input, Constant Prepayment Rate | Level 3 | Mortgage Servicing Rights | Commercial mortgage loans held for sale | Discounted cash flow | Minimum |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Servicing asset, measurement input | 0.046 | 0.040
Measurement Input, Constant Prepayment Rate | Level 3 | Mortgage Servicing Rights | Commercial mortgage loans held for sale | Discounted cash flow | Maximum |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Servicing asset, measurement input | 0.143 | 0.161
Measurement Input, Constant Prepayment Rate | Level 3 | Mortgage Servicing Rights | Commercial mortgage loans held for sale | Discounted cash flow | Weighted Average |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Servicing asset, measurement input | 0.052 | 0.049
Measurement Input, Constant Prepayment Rate | Level 3 | Mortgage Servicing Rights | Residential mortgage loans held for sale | Discounted cash flow | Minimum |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Servicing asset, measurement input | 0.000 | 0.000
Measurement Input, Constant Prepayment Rate | Level 3 | Mortgage Servicing Rights | Residential mortgage loans held for sale | Discounted cash flow | Maximum |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Servicing asset, measurement input | 0.378 | 0.775
Measurement Input, Constant Prepayment Rate | Level 3 | Mortgage Servicing Rights | Residential mortgage loans held for sale | Discounted cash flow | Weighted Average |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Servicing asset, measurement input | 0.129 | 0.211
Measurement Input, Constant Default Rate | Level 3 | Securities available for sale | Residential mortgage-backed | Priced By A Third Party Vendor Using Discounted Cash Flow Pricing Model | Minimum |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Debt securities, measurement input | 0.000 | 0.000
Measurement Input, Constant Default Rate | Level 3 | Securities available for sale | Residential mortgage-backed | Priced By A Third Party Vendor Using Discounted Cash Flow Pricing Model | Maximum |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Debt securities, measurement input | 0.169 | 0.122
Measurement Input, Constant Default Rate | Level 3 | Securities available for sale | Residential mortgage-backed | Priced By A Third Party Vendor Using Discounted Cash Flow Pricing Model | Weighted Average |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Debt securities, measurement input | 0.047 | 0.047
Measurement Input, Constant Default Rate | Level 3 | Securities available for sale | Asset-backed | Priced By A Third Party Vendor Using Discounted Cash Flow Pricing Model | Minimum |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Debt securities, measurement input | 0.014 | 0.010
Measurement Input, Constant Default Rate | Level 3 | Securities available for sale | Asset-backed | Priced By A Third Party Vendor Using Discounted Cash Flow Pricing Model | Maximum |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Debt securities, measurement input | 0.060 | 0.060
Measurement Input, Constant Default Rate | Level 3 | Securities available for sale | Asset-backed | Priced By A Third Party Vendor Using Discounted Cash Flow Pricing Model | Weighted Average |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Debt securities, measurement input | 0.029 | 0.033
Measurement Input, Loss Severity | Level 3 | Loans held for sale | Other consumer loans held for sale | Consensus Pricing | Minimum |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Loans, measurement input | 0.048 |
Measurement Input, Loss Severity | Level 3 | Loans held for sale | Other consumer loans held for sale | Consensus Pricing | Maximum |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Loans, measurement input | 0.950 |
Measurement Input, Loss Severity | Level 3 | Loans held for sale | Other consumer loans held for sale | Consensus Pricing | Weighted Average |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Loans, measurement input | 0.056 |
Measurement Input, Loss Severity | Level 3 | Securities available for sale | Residential mortgage-backed | Priced By A Third Party Vendor Using Discounted Cash Flow Pricing Model | Minimum |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Debt securities, measurement input | 0.250 | 0.250
Measurement Input, Loss Severity | Level 3 | Securities available for sale | Residential mortgage-backed | Priced By A Third Party Vendor Using Discounted Cash Flow Pricing Model | Maximum |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Debt securities, measurement input | 0.957 | 0.957
Measurement Input, Loss Severity | Level 3 | Securities available for sale | Residential mortgage-backed | Priced By A Third Party Vendor Using Discounted Cash Flow Pricing Model | Weighted Average |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Debt securities, measurement input | 0.481 | 0.488
Measurement Input, Loss Severity | Level 3 | Securities available for sale | Asset-backed | Priced By A Third Party Vendor Using Discounted Cash Flow Pricing Model | Minimum |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Debt securities, measurement input | 0.080 | 0.300
Measurement Input, Loss Severity | Level 3 | Securities available for sale | Asset-backed | Priced By A Third Party Vendor Using Discounted Cash Flow Pricing Model | Maximum |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Debt securities, measurement input | 1.000 | 1.000
Measurement Input, Loss Severity | Level 3 | Securities available for sale | Asset-backed | Priced By A Third Party Vendor Using Discounted Cash Flow Pricing Model | Weighted Average |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Debt securities, measurement input | 0.545 | 0.581
Measurement Input, Loss Severity | Level 3 | Loans - Residential real estate | Discounted cash flow | Weighted Average |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Loans, measurement input | 0.080 | 0.080
Measurement Input, Loss Severity | Level 3 | Loans - Residential real estate | Consensus Pricing | Minimum |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Loans, measurement input | 0.000 | 0.000
Measurement Input, Loss Severity | Level 3 | Loans - Residential real estate | Consensus Pricing | Maximum |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Loans, measurement input | 1.000 | 1.000
Measurement Input, Loss Severity | Level 3 | Loans - Residential real estate | Consensus Pricing | Weighted Average |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Loans, measurement input | 0.096 | 0.112
Measurement Input, Loss Severity | Level 3 | Loans - Home equity | Consensus Pricing | Minimum |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Loans, measurement input | 0.000 | 0.000
Measurement Input, Loss Severity | Level 3 | Loans - Home equity | Consensus Pricing | Maximum |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Loans, measurement input | 0.984 | 0.984
Measurement Input, Loss Severity | Level 3 | Loans - Home equity | Consensus Pricing | Weighted Average |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Loans, measurement input | 0.296 | 0.333
Measurement Input, Discount Rate | Level 3 | Loans - Residential real estate | Discounted cash flow | Weighted Average |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Loans, measurement input | 0.032 | 0.032
Measurement Input, Discount Rate | Level 3 | Loans - Residential real estate | Consensus Pricing | Minimum |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Loans, measurement input | 0.048 | 0.048
Measurement Input, Discount Rate | Level 3 | Loans - Residential real estate | Consensus Pricing | Maximum |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Loans, measurement input | 0.068 | 0.068
Measurement Input, Discount Rate | Level 3 | Loans - Residential real estate | Consensus Pricing | Weighted Average |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Loans, measurement input | 0.051 | 0.051
Measurement Input, Discount Rate | Level 3 | Loans - Home equity | Consensus Pricing | Minimum |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Loans, measurement input | 0.048 | 0.048
Measurement Input, Discount Rate | Level 3 | Loans - Home equity | Consensus Pricing | Maximum |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Loans, measurement input | 0.068 | 0.068
Measurement Input, Discount Rate | Level 3 | Loans - Home equity | Consensus Pricing | Weighted Average |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Loans, measurement input | 0.062 | 0.063
Measurement Input, Discount Rate | Level 3 | Mortgage Servicing Rights | Commercial mortgage loans held for sale | Discounted cash flow | Minimum |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Servicing asset, measurement input | 0.052 | 0.047
Measurement Input, Discount Rate | Level 3 | Mortgage Servicing Rights | Commercial mortgage loans held for sale | Discounted cash flow | Maximum |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Servicing asset, measurement input | 0.079 | 0.078
Measurement Input, Discount Rate | Level 3 | Mortgage Servicing Rights | Commercial mortgage loans held for sale | Discounted cash flow | Weighted Average |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Servicing asset, measurement input | 0.076 | 0.073

X
- Definition This element represents total assets reported on the balance sheet at period end measured at fair value on a recurring basis by the entity net of total liabilities at period end measured at fair value on a recurring basis. + 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 Adjustments to the discount rate used to measure fair value for both the lack of ability to convert business interests into cash quickly and the risk that a borrower will default on debt by failing to make required payments. + References No definition available. + Details
Name: | pnc_FairValueInputsCreditAndLiquidityDiscount
Namespace Prefix: | pnc_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition Cumulative percentage of likelihood the pool of loans will not be repaid and instead default, used as an input to measure fair value. + References No definition available. + Details
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Namespace Prefix: | pnc_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of Visa Class A shares to be received for Visa Class B shares upon conversion date, used as an input to measure fair value. + References No definition available. + Details
Name: | pnc_FairValueInputsEstimatedConversionFactorClassBSharesIntoClassaShares
Namespace Prefix: | pnc_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Annual percentage price appreciation of Visa Class A shares, used as an input to measure fair value. + References No definition available. + Details
Name: | pnc_FairValueInputsEstimatedGrowthRateVisaClassaSharePrice
Namespace Prefix: | pnc_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition Ratio of an entity's stock price to its earnings per share, as an integer. Price earnings (P/E) ratio is used as an input to measure fair value. + References No definition available. + Details
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Namespace Prefix: | pnc_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | duration

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- Definition The assumed yield spread over the benchmark curve for each instrument is generally intended to incorporate non-interest-rate risks such as credit and liquidity risks as an input to measure fair value. + References No definition available. + Details
Name: | pnc_FairValueInputsSpreadOverBenchmarkCurve
Namespace Prefix: | pnc_
Data Type: | num:percentItemType
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- Definition Loans, Measurement Input + References No definition available. + Details
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Namespace Prefix: | pnc_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

X
- Definition Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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Balance Type: | debit
Period Type: | instant

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- Definition Value of input used to measure investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb)(2) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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Balance Type: | na
Period Type: | instant

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- 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
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Period Type: | duration

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- Definition Fair value of financial and nonfinancial obligations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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Balance Type: | credit
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- Definition Value of input used to measure servicing asset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb)(2) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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