Loan Sale and Servicing Activities and Variable Interest Entities (Non-Consolidated VIEs) (Details) (USD $) In Millions, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Aggregate Assets	$ 135,814	$ 110,805
Aggregate Liabilities	131,422	106,341
PNC Risk of Loss	7,235	7,948
Carrying Value of Assets	7,269	7,973
Carrying Value of Liabilities	714	831
Commercial Mortgage-Backed Securitizations [Member]
Aggregate Assets	57,195	65,757
Aggregate Liabilities	57,195	65,757
PNC Risk of Loss	1,429	1,747
Carrying Value of Assets	1,429	1,747
Carrying Value of Liabilities	1
Residential Mortgage-Backed Securitizations [Member]
Aggregate Assets	71,651	37,962
Aggregate Liabilities	71,651	37,962
PNC Risk of Loss	3,738	4,171
Carrying Value of Assets	3,738	4,171
Carrying Value of Liabilities	4	5
Tax Credit Investments And Other [Member]
Aggregate Assets	6,968	7,086
Aggregate Liabilities	2,576	2,622
PNC Risk of Loss	2,068	2,030
Carrying Value of Assets	2,102	2,055
Carrying Value of Liabilities	$ 709	$ 826