Condensed Consolidated Statements Of Changes In Equity (USD $) In Millions		Total	Additional Paid-In Capital [Member]		Retained Earnings [Member]	Appropriated Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Common Shares Held In Escrow [Member]	Treasury Stock Common [Member]	Total Stockholders' Equity [Member]	Nonredeemable Non-controlling Interests [Member]	Nonredeemable Non-controlling Interests Of Consolidated VIEs [Member]	Total Permanent Equity [Member]	Redeemable Non-controlling Interests/Temporary Equity [Member]
Beginning Balance at Dec. 31, 2010			$ 22,504	[1]	$ 3,723	$ 75	$ (96)	$ (1)	$ (111)	$ 26,094	$ 189	$ 45	$ 26,328	$ 6
Net income					1,782					1,782	10	(36)	1,756
Consolidation of a collateralized loan obligation	[2]					41				41			41
Allocation of losses of consolidated collateralized loan obligations						(37)				(37)		37
Dividends paid					(769)					(769)			(769)
Stock-based compensation			373						2	375			375
Merrill Lynch cash capital contribution			8							8			8
Issuance of common shares related to employee stock transactions			(202)						217	15			15
Employee tax benefit withholdings related to employee stock transactions									(237)	(237)			(237)
Shares repurchased			(2,545)							(2,545)			(2,545)
Net tax benefit (shortfall) from stock-based compensation			9							9			9
Subscriptions (redemptions/distributions) - non-controlling interest holders											(24)	(10)	(34)	7
Net consolidations (deconsolidations) of sponsored investment funds														(12)
Other comprehensive income (loss)		(14)					(14)			(14)			(14)
PNC preferred stock capital contribution		200	200							200			200
Retirement of preferred stock			(200)							(200)			(200)
Convertible debt conversions			4						1	5			5
Ending Balance at Sep. 30, 2011			20,151	[1]	4,736	79	(110)	(1)	(128)	24,727	175	36	24,938	1
Beginning Balance at Dec. 31, 2011		25,270	20,276	[1]	5,046	72	(127)	(1)	(218)	25,048	184	38	25,270	92
Net income					1,768					1,768	14	1	1,783	7
Consolidation of a collateralized loan obligation	[2]					(13)				(13)			(13)
Allocation of losses of consolidated collateralized loan obligations						(3)				(3)		3
Dividends paid					(804)					(804)			(804)
Stock-based compensation			344							344			344
Merrill Lynch cash capital contribution			7							7			7
Issuance of common shares related to employee stock transactions			(366)						419	53			53
Employee tax benefit withholdings related to employee stock transactions									(141)	(141)			(141)
Shares repurchased			(1,000)						(334)	(1,334)			(1,334)
Net tax benefit (shortfall) from stock-based compensation			63							63			63
Subscriptions (redemptions/distributions) - non-controlling interest holders											(20)	(8)	(28)	221
Net consolidations (deconsolidations) of sponsored investment funds											(8)		(8)	(272)
Other comprehensive income (loss)		69					69			69			69
Ending Balance at Sep. 30, 2012		$ 25,261	$ 19,324	[1]	$ 6,010	$ 56	$ (58)	$ (1)	$ (274)	$ 25,057	$ 170	$ 34	$ 25,261	$ 48

[1] Amount includes $2 million and $1 million of common stock at September 30, 2012 and December 31, 2011, respectively.

[2] Consolidated during the three months ended September 30, 2011.