Loan Sale and Servicing Activities and Variable Interest Entities (Certain Financial Information and Cash Flows Associated with Loan Sale and Servicing Activities) (Details) (USD $) In Millions	3 Months Ended				6 Months Ended
	Jun. 30, 2011		Jun. 30, 2010		Jun. 30, 2011		Jun. 30, 2010		Dec. 31, 2010
Home Equity Loans Lines [Member]
Servicing portfolio	$ 5,810	[1],[2]			$ 5,810	[1],[2]			$ 6,041	[1],[2]
Carrying value of servicing assets	1	[2],[3]			1	[2],[3]			2	[2],[3]
Servicing advances	6	[2]			6	[2]			21	[2]
Servicing deposits	40	[2]			40	[2]			61	[2]
Repurchase and recourse obligations	55	[2],[4]			55	[2],[4]			150	[2],[4]
Carrying value of mortgage-backed securities held	0	[2],[5]			0	[2],[5]			0	[2],[5]
Cash flows from repurchases of previously transferred loans	8	[2],[6]	6	[2],[6]	30	[2],[6]	7	[2],[6]
Cash flows from contractual servicing fees received	6	[2]	7	[2]	12	[2]	14	[2]
Cash flows from servicing advances recovered/(funded), net	0	[2]	3	[2]	15	[2]	9	[2]
Residential Mortgage [Member]
Servicing portfolio	124,765	[1]			124,765	[1]			125,806	[1]
Carrying value of servicing assets	996	[3]			996	[3]			1,033	[3]
Servicing advances	525				525				533
Servicing deposits	2,072				2,072				2,661
Repurchase and recourse obligations	95	[4]			95	[4]			144	[4]
Carrying value of mortgage-backed securities held	1,688	[5]			1,688	[5]			2,171	[5]
Cash flows from sales of loans	3,144	[7]	2,296	[7]	6,529	[7]	4,226	[7]
Cash flows from repurchases of previously transferred loans	365	[6]	465	[6]	809	[6]	1,206	[6]
Cash flows from contractual servicing fees received	87		107		177		216
Cash flows from servicing advances recovered/(funded), net	(22)		174		8		60
Cash flows on mortgage-backed securities held	107	[5]	148	[5]	258	[5]	290	[5]
Commercial Mortgages [Member]
Servicing portfolio	163,240	[1],[8]			163,240	[1],[8]			162,514	[1],[8]
Carrying value of servicing assets	592	[3],[8]			592	[3],[8]			665	[3],[8]
Servicing advances	451	[8]			451	[8]			415	[8]
Servicing deposits	3,700	[8]			3,700	[8]			3,537	[8]
Repurchase and recourse obligations	55	[4],[8]			55	[4],[8]			54	[4],[8]
Carrying value of mortgage-backed securities held	1,973	[5],[8]			1,973	[5],[8]			1,875	[5],[8]
Cash flows from sales of loans	421	[7],[8]	636	[7],[8]	904	[7],[8]	978	[7],[8]
Cash flows from contractual servicing fees received	44	[8]	71	[8]	87	[8]	126	[8]
Cash flows from servicing advances recovered/(funded), net	(1)	[8]	57	[8]	(36)	[8]	2	[8]
Cash flows on mortgage-backed securities held	$ 80	[5],[8]	$ 167	[5],[8]	$ 177	[5],[8]	$ 204	[5],[8]

[1] For our continuing involvement with residential mortgages and home equity loan/line transfers, amount represents outstanding balance of loans transferred and serviced. For commercial mortgages, amount represents the portion of the overall servicing portfolio in which loans have been transferred by us or third parties to VIEs.

[2] These activities were part of an acquired brokered home equity business in which PNC is no longer engaged. See Note 17 Commitments and Guarantees for further information.

[3] See Note 8 Fair Value and Note 9 Goodwill and Other Intangible Assets for further information.

[4] Represents liability for our loss exposure associated with loan repurchases for breaches of representations and warranties for our Residential Mortgage Banking and Distressed Assets Portfolio segments, and our multifamily commercial mortgage loss share arrangements for our Corporate & Institutional Banking segment. See Note 17 Commitments and Guarantees for further information.

[5] Represents securities held where PNC transferred to and/or serviced loans for a securitization SPE and we hold securities issued by that SPE.

[6] Includes repurchases of insured loans, government guaranteed loans, and loans repurchased through the exercise of our ROAP option.

[7] There were no gains or losses recognized on the transaction date for sales of residential mortgage and certain commercial mortgage loans as these loans are recognized on the balance sheet at fair value. For transfers of commercial loans not recognized on the balance sheet at fair value, gains/losses recognized on sales of these loans were insignificant for the periods presented.

[8] Represents financial and cash flow information associated with both commercial mortgage loan transfer and servicing activities.