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v3.20.2

Fair Value (Fair Value Measurements- Recurring Quantitative Information) (Details) - Fair Value, Recurring [Member] $ in Millions | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2020 USD ($) | Dec. 31, 2019 USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Recurring Assets - Fair Value | $ 114,311 | $ 82,227
Financial and nonfinancial liabilities, fair value disclosure | (5,315) | (2,674)
Level 3 [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Assets, recurring, fair value disclosure | 4,900 | 5,400
Recurring Assets - Fair Value | 4,938 | 5,395
Financial and nonfinancial liabilities, fair value disclosure | (296) | (344)
Total Recurring Assets Net of Recurring Liabilities - Fair Value | 4,642 | 5,051
Level 3 [Member] | Loans Held For Sale [Member] | Commercial Mortgages [Member] | Discounted Cash Flow, Spread Over the Benchmark Curve [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Recurring Assets - Fair Value | $ 60 | $ 64
Level 3 [Member] | Loans Held For Sale [Member] | Commercial Mortgages [Member] | Discounted Cash Flow [Member] | Minimum [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Spread over the benchmark curve | 6.30% | 5.30%
Level 3 [Member] | Loans Held For Sale [Member] | Commercial Mortgages [Member] | Discounted Cash Flow [Member] | Maximum [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Spread over the benchmark curve | 38.70% | 29.35%
Level 3 [Member] | Loans Held For Sale [Member] | Commercial Mortgages [Member] | Discounted Cash Flow [Member] | Weighted Average [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Spread over the benchmark curve | 24.44% | 18.89%
Level 3 [Member] | Available-for-sale Securities [Member] | Asset backed [Member] | Priced By A Third Party Vendor Using Discounted Cash Flow Pricing Model [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Recurring Assets - Fair Value | $ 210 | $ 240
Level 3 [Member] | Available-for-sale Securities [Member] | Asset backed [Member] | Priced By A Third Party Vendor Using Discounted Cash Flow Pricing Model [Member] | Weighted Average [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Spread over the benchmark curve | 4.33% | 2.15%
Level 3 [Member] | Available-for-sale Securities [Member] | Residential Mortgage-backed Securities [Member] | Priced By A Third Party Vendor Using Discounted Cash Flow Pricing Model [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Recurring Assets - Fair Value | $ 1,491 | $ 1,741
Level 3 [Member] | Available-for-sale Securities [Member] | Residential Mortgage-backed Securities [Member] | Priced By A Third Party Vendor Using Discounted Cash Flow Pricing Model [Member] | Weighted Average [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Spread over the benchmark curve | 3.27% | 1.88%
Level 3 [Member] | Loans - Residential real estate [Member] | Discounted Cash Flow [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Recurring Assets - Fair Value | $ 80 | $ 72
Level 3 [Member] | Loans - Residential real estate [Member] | Consensus Pricing [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Recurring Assets - Fair Value | $ 436 | $ 184
Level 3 [Member] | Loans - Residential real estate [Member] | Consensus Pricing [Member] | Minimum [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Cumulative default rate | 3.60% | 3.60%
Level 3 [Member] | Loans - Residential real estate [Member] | Consensus Pricing [Member] | Maximum [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Cumulative default rate | 100.00% | 100.00%
Level 3 [Member] | Loans - Residential real estate [Member] | Consensus Pricing [Member] | Weighted Average [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Cumulative default rate | 78.40% | 76.70%
Level 3 [Member] | Loans - Home equity [Member] | Consensus Pricing [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Recurring Assets - Fair Value | $ 23 | $ 44
Level 3 [Member] | Loans - Home equity [Member] | Consensus Pricing [Member] | Minimum [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Credit and Liquidity discount | 3.60% | 0.00%
Level 3 [Member] | Loans - Home equity [Member] | Consensus Pricing [Member] | Maximum [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Credit and Liquidity discount | 100.00% | 99.00%
Level 3 [Member] | Loans - Home equity [Member] | Consensus Pricing [Member] | Weighted Average [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Credit and Liquidity discount | 91.40% | 63.40%
Level 3 [Member] | Loans - Home equity [Member] | Consensus Pricing1 [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Recurring Assets - Fair Value | $ 68 |
Level 3 [Member] | Loans - Home equity [Member] | Consensus Pricing1 [Member] | Minimum [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Credit and Liquidity discount | 17.10% |
Level 3 [Member] | Loans - Home equity [Member] | Consensus Pricing1 [Member] | Maximum [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Credit and Liquidity discount | 97.00% |
Level 3 [Member] | Loans - Home equity [Member] | Consensus Pricing1 [Member] | Weighted Average [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Credit and Liquidity discount | 57.40% |
Level 3 [Member] | Equity Investments [Member] | Multiple Of Adjusted Earnings [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Recurring Assets - Fair Value | $ 1,183 | $ 1,276
Level 3 [Member] | Equity Investments [Member] | Multiple Of Adjusted Earnings [Member] | Minimum [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Multiple of earnings | 5.0 | 5.0
Level 3 [Member] | Equity Investments [Member] | Multiple Of Adjusted Earnings [Member] | Maximum [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Multiple of earnings | 16.5 | 16.5
Level 3 [Member] | Equity Investments [Member] | Multiple Of Adjusted Earnings [Member] | Weighted Average [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Multiple of earnings | 8.5 | 8.5
Level 3 [Member] | Mortgage Servicing Rights [Member] | Residential Mortgage [Member] | Discounted Cash Flow [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Recurring Assets - Fair Value | $ 577 | $ 995
Level 3 [Member] | Mortgage Servicing Rights [Member] | Residential Mortgage [Member] | Discounted Cash Flow [Member] | Minimum [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Spread over the benchmark curve | 3.31% | 3.20%
Level 3 [Member] | Mortgage Servicing Rights [Member] | Residential Mortgage [Member] | Discounted Cash Flow [Member] | Maximum [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Spread over the benchmark curve | 37.93% | 14.35%
Level 3 [Member] | Mortgage Servicing Rights [Member] | Residential Mortgage [Member] | Discounted Cash Flow [Member] | Weighted Average [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Spread over the benchmark curve | 9.12% | 7.69%
Level 3 [Member] | Mortgage Servicing Rights [Member] | Commercial Mortgages [Member] | Discounted Cash Flow [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Recurring Assets - Fair Value | $ 490 | $ 649
Level 3 [Member] | Derivative [Member] | Visa Class B Swap [Member] | Discounted Cash Flow [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Financial and nonfinancial liabilities, fair value disclosure | $ (171) | $ (176)
Estimated growth rate of Visa Class A share price | 16.00% | 16.00%
Fair Value Inputs Length Of Litigation Resolution Date | 6/30/2021 | 3/31/2021
Level 3 [Member] | Derivative [Member] | Visa Class B Swap [Member] | Discounted Cash Flow [Member] | Weighted Average [Member] |  |
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 [Member] | Insignificant Assets, Net of Liabilities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Recurring Assets - Fair Value | $ 195 |
Financial and nonfinancial liabilities, fair value disclosure |  | $ (38)
Measurement Input, Constant Prepayment Rate [Member] | Level 3 [Member] | Available-for-sale Securities [Member] | Asset backed [Member] | Priced By A Third Party Vendor Using Discounted Cash Flow Pricing Model [Member] | Minimum [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Constant prepayment rate (CPR) | 0.010 | 0.010
Measurement Input, Constant Prepayment Rate [Member] | Level 3 [Member] | Available-for-sale Securities [Member] | Asset backed [Member] | Priced By A Third Party Vendor Using Discounted Cash Flow Pricing Model [Member] | Maximum [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Constant prepayment rate (CPR) | 0.220 | 0.220
Measurement Input, Constant Prepayment Rate [Member] | Level 3 [Member] | Available-for-sale Securities [Member] | Asset backed [Member] | Priced By A Third Party Vendor Using Discounted Cash Flow Pricing Model [Member] | Weighted Average [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Constant prepayment rate (CPR) | 0.075 | 0.075
Measurement Input, Constant Prepayment Rate [Member] | Level 3 [Member] | Available-for-sale Securities [Member] | Residential Mortgage-backed Securities [Member] | Priced By A Third Party Vendor Using Discounted Cash Flow Pricing Model [Member] | Minimum [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Constant prepayment rate (CPR) | 0.010 | 0.010
Measurement Input, Constant Prepayment Rate [Member] | Level 3 [Member] | Available-for-sale Securities [Member] | Residential Mortgage-backed Securities [Member] | Priced By A Third Party Vendor Using Discounted Cash Flow Pricing Model [Member] | Maximum [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Constant prepayment rate (CPR) | 0.376 | 0.362
Measurement Input, Constant Prepayment Rate [Member] | Level 3 [Member] | Available-for-sale Securities [Member] | Residential Mortgage-backed Securities [Member] | Priced By A Third Party Vendor Using Discounted Cash Flow Pricing Model [Member] | Weighted Average [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Constant prepayment rate (CPR) | 0.086 | 0.099
Measurement Input, Constant Prepayment Rate [Member] | Level 3 [Member] | Mortgage Servicing Rights [Member] | Residential Mortgage [Member] | Discounted Cash Flow [Member] | Minimum [Member] |  |
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 [Member] | Level 3 [Member] | Mortgage Servicing Rights [Member] | Residential Mortgage [Member] | Discounted Cash Flow [Member] | Maximum [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Servicing asset, measurement input | 0.652 | 0.538
Measurement Input, Constant Prepayment Rate [Member] | Level 3 [Member] | Mortgage Servicing Rights [Member] | Residential Mortgage [Member] | Discounted Cash Flow [Member] | Weighted Average [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Servicing asset, measurement input | 0.276 | 0.135
Measurement Input, Constant Prepayment Rate [Member] | Level 3 [Member] | Mortgage Servicing Rights [Member] | Commercial Mortgages [Member] | Discounted Cash Flow [Member] | Minimum [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Servicing asset, measurement input | 0.038 | 0.035
Measurement Input, Constant Prepayment Rate [Member] | Level 3 [Member] | Mortgage Servicing Rights [Member] | Commercial Mortgages [Member] | Discounted Cash Flow [Member] | Maximum [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Servicing asset, measurement input | 0.221 | 0.181
Measurement Input, Constant Prepayment Rate [Member] | Level 3 [Member] | Mortgage Servicing Rights [Member] | Commercial Mortgages [Member] | Discounted Cash Flow [Member] | Weighted Average [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Servicing asset, measurement input | 0.048 | 0.046
Measurement Input, Constant Default Rate [Member] | Level 3 [Member] | Available-for-sale Securities [Member] | Asset backed [Member] | Priced By A Third Party Vendor Using Discounted Cash Flow Pricing Model [Member] | Minimum [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Constant prepayment rate (CPR) | 0.010 | 0.010
Measurement Input, Constant Default Rate [Member] | Level 3 [Member] | Available-for-sale Securities [Member] | Asset backed [Member] | Priced By A Third Party Vendor Using Discounted Cash Flow Pricing Model [Member] | Maximum [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Constant prepayment rate (CPR) | 0.072 | 0.072
Measurement Input, Constant Default Rate [Member] | Level 3 [Member] | Available-for-sale Securities [Member] | Asset backed [Member] | Priced By A Third Party Vendor Using Discounted Cash Flow Pricing Model [Member] | Weighted Average [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Constant prepayment rate (CPR) | 0.033 | 0.034
Measurement Input, Constant Default Rate [Member] | Level 3 [Member] | Available-for-sale Securities [Member] | Residential Mortgage-backed Securities [Member] | Priced By A Third Party Vendor Using Discounted Cash Flow Pricing Model [Member] | Minimum [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Constant prepayment rate (CPR) | 0.000 | 0.000
Measurement Input, Constant Default Rate [Member] | Level 3 [Member] | Available-for-sale Securities [Member] | Residential Mortgage-backed Securities [Member] | Priced By A Third Party Vendor Using Discounted Cash Flow Pricing Model [Member] | Maximum [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Constant prepayment rate (CPR) | 0.159 | 0.141
Measurement Input, Constant Default Rate [Member] | Level 3 [Member] | Available-for-sale Securities [Member] | Residential Mortgage-backed Securities [Member] | Priced By A Third Party Vendor Using Discounted Cash Flow Pricing Model [Member] | Weighted Average [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Constant prepayment rate (CPR) | 0.047 | 0.043
Measurement Input, Loss Severity [Member] | Level 3 [Member] | Available-for-sale Securities [Member] | Asset backed [Member] | Priced By A Third Party Vendor Using Discounted Cash Flow Pricing Model [Member] | Minimum [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Constant prepayment rate (CPR) | 0.300 | 0.300
Measurement Input, Loss Severity [Member] | Level 3 [Member] | Available-for-sale Securities [Member] | Asset backed [Member] | Priced By A Third Party Vendor Using Discounted Cash Flow Pricing Model [Member] | Maximum [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Constant prepayment rate (CPR) | 1.000 | 1.000
Measurement Input, Loss Severity [Member] | Level 3 [Member] | Available-for-sale Securities [Member] | Asset backed [Member] | Priced By A Third Party Vendor Using Discounted Cash Flow Pricing Model [Member] | Weighted Average [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Constant prepayment rate (CPR) | 0.589 | 0.576
Measurement Input, Loss Severity [Member] | Level 3 [Member] | Available-for-sale Securities [Member] | Residential Mortgage-backed Securities [Member] | Priced By A Third Party Vendor Using Discounted Cash Flow Pricing Model [Member] | Minimum [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Constant prepayment rate (CPR) | 0.250 | 0.266
Measurement Input, Loss Severity [Member] | Level 3 [Member] | Available-for-sale Securities [Member] | Residential Mortgage-backed Securities [Member] | Priced By A Third Party Vendor Using Discounted Cash Flow Pricing Model [Member] | Maximum [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Constant prepayment rate (CPR) | 0.957 | 0.957
Measurement Input, Loss Severity [Member] | Level 3 [Member] | Available-for-sale Securities [Member] | Residential Mortgage-backed Securities [Member] | Priced By A Third Party Vendor Using Discounted Cash Flow Pricing Model [Member] | Weighted Average [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Constant prepayment rate (CPR) | 0.486 | 0.519
Measurement Input, Loss Severity [Member] | Level 3 [Member] | Loans - Residential real estate [Member] | Discounted Cash Flow [Member] | Weighted Average [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Loans, Measurement Input | 0.080 | 0.080
Measurement Input, Loss Severity [Member] | Level 3 [Member] | Loans - Residential real estate [Member] | Consensus Pricing [Member] | Minimum [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Loans, Measurement Input | 0.000 | 0.000
Measurement Input, Loss Severity [Member] | Level 3 [Member] | Loans - Residential real estate [Member] | Consensus Pricing [Member] | Maximum [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Loans, Measurement Input | 1.000 | 1.000
Measurement Input, Loss Severity [Member] | Level 3 [Member] | Loans - Residential real estate [Member] | Consensus Pricing [Member] | Weighted Average [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Loans, Measurement Input | 0.127 | 0.145
Measurement Input, Loss Severity [Member] | Level 3 [Member] | Loans - Home equity [Member] | Consensus Pricing [Member] | Minimum [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Loans, Measurement Input | 0.000 |
Measurement Input, Loss Severity [Member] | Level 3 [Member] | Loans - Home equity [Member] | Consensus Pricing [Member] | Maximum [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Loans, Measurement Input | 0.994 |
Measurement Input, Loss Severity [Member] | Level 3 [Member] | Loans - Home equity [Member] | Consensus Pricing [Member] | Weighted Average [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Loans, Measurement Input | 0.371 |
Measurement Input, Discount Rate [Member] | Level 3 [Member] | Loans - Residential real estate [Member] | Discounted Cash Flow [Member] | Weighted Average [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Loans, Measurement Input | 0.033 | 0.048
Measurement Input, Discount Rate [Member] | Level 3 [Member] | Loans - Residential real estate [Member] | Consensus Pricing [Member] | Minimum [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Loans, Measurement Input | 0.048 | 0.050
Measurement Input, Discount Rate [Member] | Level 3 [Member] | Loans - Residential real estate [Member] | Consensus Pricing [Member] | Maximum [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Loans, Measurement Input | 0.068 | 0.080
Measurement Input, Discount Rate [Member] | Level 3 [Member] | Loans - Residential real estate [Member] | Consensus Pricing [Member] | Weighted Average [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Loans, Measurement Input | 0.053 | 0.052
Measurement Input, Discount Rate [Member] | Level 3 [Member] | Loans - Home equity [Member] | Consensus Pricing [Member] | Minimum [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Loans, Measurement Input | 0.048 |
Measurement Input, Discount Rate [Member] | Level 3 [Member] | Loans - Home equity [Member] | Consensus Pricing [Member] | Maximum [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Loans, Measurement Input | 0.068 |
Measurement Input, Discount Rate [Member] | Level 3 [Member] | Loans - Home equity [Member] | Consensus Pricing [Member] | Weighted Average [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Loans, Measurement Input | 0.063 |
Measurement Input, Discount Rate [Member] | Level 3 [Member] | Mortgage Servicing Rights [Member] | Commercial Mortgages [Member] | Discounted Cash Flow [Member] | Minimum [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Servicing asset, measurement input | 0.040 | 0.056
Measurement Input, Discount Rate [Member] | Level 3 [Member] | Mortgage Servicing Rights [Member] | Commercial Mortgages [Member] | Discounted Cash Flow [Member] | Maximum [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Servicing asset, measurement input | 0.080 | 0.081
Measurement Input, Discount Rate [Member] | Level 3 [Member] | Mortgage Servicing Rights [Member] | Commercial Mortgages [Member] | Discounted Cash Flow [Member] | Weighted Average [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Servicing asset, measurement input | 0.074 | 0.079

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

X
- Definition Assets, Recurring, Fair Value Disclosure + References No definition available. + Details
Name: | pnc_AssetsRecurringFairValueDisclosure
Namespace Prefix: | pnc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- 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

X
- 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
Name: | pnc_FairValueInputsCumulativeDefaultRate
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

X
- Definition Expected date when litigation related to Visa Class B common shares will be resolved. + References No definition available. + Details
Name: | pnc_FairValueInputsLengthOfLitigationResolutionDate
Namespace Prefix: | pnc_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- 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
Name: | pnc_FairValueInputsPriceEarningsRatioMultiple1
Namespace Prefix: | pnc_
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