Loan Sale and Servicing Activities and Variable Interest Entities (Non-Consolidated VIEs) (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
PNC Risk of Loss	$ 22,573	$ 21,328
Carrying Value of Assets Owned by PNC	557,191	466,679
Carrying Value of Liabilities Owned by PNC	501,465	412,638
Variable Interest Entity, Primary Beneficiary
Carrying Value of Assets Owned by PNC	22,601	21,101
Carrying Value of Liabilities Owned by PNC	1,799	1,199
Mortgage-Backed Securitizations \| Variable Interest Entity, Primary Beneficiary
PNC Risk of Loss	18,708	18,207
Carrying Value of Assets Owned by PNC	18,708	18,207
Carrying Value of Liabilities Owned by PNC	1	1
Tax Credit Investments And Other \| Variable Interest Entity, Primary Beneficiary
PNC Risk of Loss	3,865	3,121
Carrying Value of Assets Owned by PNC	3,893	2,894
Carrying Value of Liabilities Owned by PNC	$ 1,798	$ 1,198

Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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- Definition

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