Financial Derivatives (Credit-Risk Contingent Features) (Details) - USD ($) $ in Billions |
Sep. 30, 2022 |
Dec. 31, 2021 |
---|---|---|
Derivative Instruments and Hedging Activities Disclosure [Abstract] | ||
Derivative, net liability position, aggregate fair value | $ 7.5 | $ 2.4 |
Collateral already posted, aggregate fair value | 2.7 | 1.8 |
Maximum amount of collateral PNC would have been required to post if the credit-risk-related contingent features underlying these agreements had been triggered | $ 4.8 | $ 0.6 |