Consolidated Balance Sheet (Parenthetical) (USD $) Share data in Millions, except Per Share data, unless otherwise specified	Sep. 30, 2012		Dec. 31, 2011
Cash and due from banks	$ 4,284,000,000	[1]	$ 4,105,000,000	[1]
Federal funds sold and resale agreements, fair value	462,000,000		732,000,000
Interest-earning deposits with banks	2,321,000,000	[1]	1,169,000,000	[1]
Loans held for sale, fair value	2,288,000,000		2,365,000,000
Investment securities	62,814,000,000	[1]	60,634,000,000	[1]
Loans	181,864,000,000	[1],[2],[3],[4]	159,014,000,000	[1],[2],[3],[4]
Loans, Fair Value	314,000,000		227,000,000
Allowance for loan and lease losses	(4,039,000,000)	[1]	(4,347,000,000)	[1]
Equity investments	10,846,000,000	[1]	10,134,000,000	[1]
Other assets	24,647,000,000	[1],[2]	22,698,000,000	[1],[2]
Other assets, fair value	697,000,000		639,000,000
Commercial paper	10,731,000,000	[1]	4,271,000,000	[1]
Other borrowed funds	1,840,000,000	[1]	2,368,000,000	[1]
Accrued expenses	4,015,000,000		4,175,000,000
Other liabilities	5,380,000,000		4,874,000,000
Common stock, par value	$ 5		$ 5
Common stock, authorized	800		800
Common stock, issued	538		537
Common stock held in treasury at cost, shares	9		10
Preferred stock	500,000		500,000
Black Rock Series C Preferred Stock [Member]
Other assets, fair value	210,000,000		210,000,000
Variable Interest Entity, Primary Beneficiary [Member]
Cash and due from banks	5,000,000	[5],[6]	7,000,000	[5],[6]
Interest-earning deposits with banks	6,000,000	[5],[6]	325,000,000	[5],[6]
Investment securities	10,000,000	[5],[6]	109,000,000	[5],[6]
Loans	7,816,000,000	[5],[6]	6,096,000,000	[5],[6]
Allowance for loan and lease losses	(78,000,000)	[5],[6]	(91,000,000)	[5],[6]
Equity investments	1,725,000,000	[5],[6]	1,643,000,000	[5],[6]
Other assets	1,388,000,000	[5],[6]	1,205,000,000	[5],[6]
Commercial paper	6,098,000,000	[5],[6]	4,271,000,000	[5],[6]
Other borrowed funds	249,000,000	[5],[6]	505,000,000	[5],[6]
Accrued expenses	151,000,000	[5],[6]	155,000,000	[5],[6]
Other liabilities	$ 987,000,000	[5],[6]	$ 734,000,000	[5],[6]

[1] Amounts represent the assets or liabilities of consolidated variable interest entities (VIEs).

[2] Amounts represent items for which the Corporation has elected the fair value option.

[3] Net of unearned income, net deferred loan fees, unamortized discounts and premiums, and purchase discounts and premiums totaling $2.9 billion and $2.3 billion atSeptember 30, 2012 and December 31, 2011, respectively.

[4] Future accretable yield related to purchased impaired loans is not included in loans outstanding.

[5] Amounts represent carrying value on PNC’s Consolidated Balance Sheet.

[6] Difference between total assets and total liabilities represents the equity portion of the VIE or intercompany assets and liabilities which are eliminated in consolidation.