Fair Value Measurements (Details 1) (USD $) In Millions											3 Months Ended			3 Months Ended				9 Months Ended						3 Months Ended		9 Months Ended				3 Months Ended			9 Months Ended								3 Months Ended				9 Months Ended				3 Months Ended				9 Months Ended																																														3 Months Ended				9 Months Ended				3 Months Ended				9 Months Ended				3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended		3 Months Ended				9 Months Ended				3 Months Ended				9 Months Ended				3 Months Ended				9 Months Ended				3 Months Ended				9 Months Ended				3 Months Ended				9 Months Ended				3 Months Ended				9 Months Ended				3 Months Ended				9 Months Ended				3 Months Ended				9 Months Ended				3 Months Ended				9 Months Ended				3 Months Ended				9 Months Ended				3 Months Ended				9 Months Ended				3 Months Ended				9 Months Ended									3 Months Ended				9 Months Ended				3 Months Ended				9 Months Ended
	Sep. 30, 2011	Jun. 30, 2011	Dec. 31, 2010	Sep. 30, 2010	Jun. 30, 2010	Dec. 31, 2009	Sep. 30, 2011 Fair Value, Inputs, Level 3 [Member] Corporate securities, trading loans and other [Member] Fair Value, Measurements, Recurring [Member]	Dec. 31, 2010 Fair Value, Inputs, Level 3 [Member] Corporate securities, trading loans and other [Member] Fair Value, Measurements, Recurring [Member]	Sep. 30, 2011 Fair Value, Inputs, Level 3 [Member] Corporate securities, trading loans and other [Member] Fair Value, Measurements, Recurring [Member]	Dec. 31, 2010 Fair Value, Inputs, Level 3 [Member] Corporate securities, trading loans and other [Member] Fair Value, Measurements, Recurring [Member]	Sep. 30, 2011 Corporate securities, trading loans and other [Member]	Sep. 30, 2011 Corporate securities, trading loans and other [Member] Fair Value, Measurements, Recurring [Member]	Dec. 31, 2010 Corporate securities, trading loans and other [Member] Fair Value, Measurements, Recurring [Member]	Sep. 30, 2011 Corporate securities, trading loans and other [Member]		Sep. 30, 2010 Corporate securities, trading loans and other [Member]		Sep. 30, 2011 Corporate securities, trading loans and other [Member]		Sep. 30, 2010 Corporate securities, trading loans and other [Member]		Sep. 30, 2011 Corporate securities, trading loans and other [Member] Fair Value, Measurements, Recurring [Member]	Dec. 31, 2010 Corporate securities, trading loans and other [Member] Fair Value, Measurements, Recurring [Member]	Sep. 30, 2010 Trading Liabilities [Member]		Sep. 30, 2011 Trading Liabilities [Member]		Sep. 30, 2010 Trading Liabilities [Member]		Sep. 30, 2011 Short-term Debt [Member]	Sep. 30, 2010 Short-term Debt [Member]		Sep. 30, 2011 Short-term Debt [Member]		Sep. 30, 2010 Short-term Debt [Member]		Sep. 30, 2010 Accrued expenses and other liabilities [Member]		Sep. 30, 2011 Fair Value, Inputs, Level 3 [Member] Accrued Liabilities [Member] Fair Value, Measurements, Recurring [Member]	Dec. 31, 2010 Fair Value, Inputs, Level 3 [Member] Accrued Liabilities [Member] Fair Value, Measurements, Recurring [Member]	Sep. 30, 2011 Accrued Liabilities [Member]		Sep. 30, 2010 Accrued Liabilities [Member]		Sep. 30, 2011 Accrued Liabilities [Member]		Sep. 30, 2011 Fair Value, Inputs, Level 3 [Member] Long-term Debt [Member] Fair Value, Measurements, Recurring [Member]	Dec. 31, 2010 Fair Value, Inputs, Level 3 [Member] Long-term Debt [Member] Fair Value, Measurements, Recurring [Member]	Sep. 30, 2011 Long-term Debt [Member]		Sep. 30, 2010 Long-term Debt [Member]		Sep. 30, 2011 Long-term Debt [Member]		Sep. 30, 2010 Long-term Debt [Member]		Sep. 30, 2011 Fair Value, Inputs, Level 3 [Member] Equity securities [Member] Fair Value, Measurements, Recurring [Member]	Dec. 31, 2010 Fair Value, Inputs, Level 3 [Member] Equity securities [Member] Fair Value, Measurements, Recurring [Member]		Sep. 30, 2011 Fair Value, Inputs, Level 3 [Member] Non-U.S. sovereign debt [Member] Fair Value, Measurements, Recurring [Member]	Dec. 31, 2010 Fair Value, Inputs, Level 3 [Member] Non-U.S. sovereign debt [Member] Fair Value, Measurements, Recurring [Member]	Sep. 30, 2011 Fair Value, Inputs, Level 3 [Member] Mortgage trading loans and ABS [Member] Fair Value, Measurements, Recurring [Member]	Dec. 31, 2010 Fair Value, Inputs, Level 3 [Member] Mortgage trading loans and ABS [Member] Fair Value, Measurements, Recurring [Member]	Sep. 30, 2011 Fair Value, Inputs, Level 3 [Member] Agency [Member] Fair Value, Measurements, Recurring [Member]	Dec. 31, 2010 Fair Value, Inputs, Level 3 [Member] Agency [Member] Fair Value, Measurements, Recurring [Member]	Sep. 30, 2011 Fair Value, Inputs, Level 3 [Member] Non-U.S. Securities [Member] Fair Value, Measurements, Recurring [Member]	Dec. 31, 2010 Fair Value, Inputs, Level 3 [Member] Non-U.S. Securities [Member] Fair Value, Measurements, Recurring [Member]	Sep. 30, 2011 Fair Value, Inputs, Level 3 [Member] Corporate Bond [Member] Fair Value, Measurements, Recurring [Member]	Dec. 31, 2010 Fair Value, Inputs, Level 3 [Member] Corporate Bond [Member] Fair Value, Measurements, Recurring [Member]	Sep. 30, 2011 Fair Value, Inputs, Level 3 [Member] Other taxable securities [Member] Fair Value, Measurements, Recurring [Member]	Dec. 31, 2010 Fair Value, Inputs, Level 3 [Member] Other taxable securities [Member] Fair Value, Measurements, Recurring [Member]	Sep. 30, 2011 Fair Value, Inputs, Level 3 [Member] Tax-exempt securities [Member] Fair Value, Measurements, Recurring [Member]	Dec. 31, 2010 Fair Value, Inputs, Level 3 [Member] Tax-exempt securities [Member] Fair Value, Measurements, Recurring [Member]	Sep. 30, 2011 Fair Value, Inputs, Level 3 [Member] Fair Value, Measurements, Recurring [Member]	Dec. 31, 2010 Fair Value, Inputs, Level 3 [Member] Fair Value, Measurements, Recurring [Member]	Dec. 31, 2010 Fair Value, Inputs, Level 3 [Member] Fair Value, Measurements, Recurring [Member] Agency-collateralized mortgage obligations [Member]	Dec. 31, 2010 Fair Value, Inputs, Level 3 [Member] Fair Value, Measurements, Recurring [Member] Non-Agency Residential MBS [Member]	Dec. 31, 2010 Fair Value, Inputs, Level 3 [Member] Fair Value, Measurements, Recurring [Member] Non-Agency Commercial MBS [Member]	Dec. 31, 2010 Fair Value, Inputs, Level 3 [Member] Fair Value, Measurements, Recurring [Member] Loans held-for-sale [Member]	Dec. 31, 2010 Fair Value, Inputs, Level 3 [Member] Fair Value, Measurements, Recurring [Member] Other assets [Member]	Sep. 30, 2011 Fair Value, Measurements, Recurring [Member]	Dec. 31, 2010 Fair Value, Measurements, Recurring [Member]	Sep. 30, 2011 Equity securities [Member] Fair Value, Measurements, Recurring [Member]	Dec. 31, 2010 Equity securities [Member] Fair Value, Measurements, Recurring [Member]	Sep. 30, 2011 Non-U.S. sovereign debt [Member] Fair Value, Measurements, Recurring [Member]	Dec. 31, 2010 Non-U.S. sovereign debt [Member] Fair Value, Measurements, Recurring [Member]	Sep. 30, 2011 Mortgage trading loans and ABS [Member] Fair Value, Measurements, Recurring [Member]	Dec. 31, 2010 Mortgage trading loans and ABS [Member] Fair Value, Measurements, Recurring [Member]	Sep. 30, 2011 Agency [Member] Fair Value, Measurements, Recurring [Member]	Dec. 31, 2010 Agency [Member] Fair Value, Measurements, Recurring [Member]	Sep. 30, 2011 Non-U.S. Securities [Member] Fair Value, Measurements, Recurring [Member]	Dec. 31, 2010 Non-U.S. Securities [Member] Fair Value, Measurements, Recurring [Member]	Sep. 30, 2011 Corporate Bond [Member] Fair Value, Measurements, Recurring [Member]	Dec. 31, 2010 Corporate Bond [Member] Fair Value, Measurements, Recurring [Member]	Sep. 30, 2011 Other taxable securities [Member] Fair Value, Measurements, Recurring [Member]	Dec. 31, 2010 Other taxable securities [Member] Fair Value, Measurements, Recurring [Member]	Sep. 30, 2011 Tax-exempt securities [Member] Fair Value, Measurements, Recurring [Member]	Dec. 31, 2010 Tax-exempt securities [Member] Fair Value, Measurements, Recurring [Member]	Sep. 30, 2011 Derivative assets [Member]		Sep. 30, 2010 Derivative assets [Member]		Sep. 30, 2011 Derivative assets [Member]		Sep. 30, 2010 Derivative assets [Member]		Sep. 30, 2011 Available-for-sale debt securities [Member]		Sep. 30, 2010 Available-for-sale debt securities [Member]		Sep. 30, 2011 Available-for-sale debt securities [Member]		Sep. 30, 2010 Available-for-sale debt securities [Member]		Sep. 30, 2011 Agency [Member]		Sep. 30, 2011 Agency [Member]		Sep. 30, 2011 Agency-collateralized mortgage obligations [Member]		Sep. 30, 2011 Agency-collateralized mortgage obligations [Member]		Sep. 30, 2011 Non-Agency Residential MBS [Member]		Sep. 30, 2010 Non-Agency Residential MBS [Member]		Sep. 30, 2011 Non-Agency Residential MBS [Member]		Sep. 30, 2010 Non-Agency Residential MBS [Member]		Sep. 30, 2011 Non-Agency Commercial MBS [Member]		Sep. 30, 2010 Non-Agency Commercial MBS [Member]		Sep. 30, 2011 Non-Agency Commercial MBS [Member]		Sep. 30, 2010 Non-Agency Commercial MBS [Member]		Sep. 30, 2011 Non-U.S. Securities [Member]		Sep. 30, 2010 Non-U.S. Securities [Member]		Sep. 30, 2011 Non-U.S. Securities [Member]		Sep. 30, 2010 Non-U.S. Securities [Member]		Sep. 30, 2011 Corporate Bond [Member]		Sep. 30, 2010 Corporate Bond [Member]		Sep. 30, 2011 Corporate Bond [Member]		Sep. 30, 2010 Corporate Bond [Member]		Sep. 30, 2011 Other taxable securities [Member]		Sep. 30, 2010 Other taxable securities [Member]		Sep. 30, 2011 Other taxable securities [Member]		Sep. 30, 2010 Other taxable securities [Member]		Sep. 30, 2011 Tax-exempt securities [Member]		Sep. 30, 2010 Tax-exempt securities [Member]		Sep. 30, 2011 Tax-exempt securities [Member]		Sep. 30, 2010 Tax-exempt securities [Member]		Sep. 30, 2011 Trading Account Assets [Member]		Sep. 30, 2010 Trading Account Assets [Member]		Sep. 30, 2011 Trading Account Assets [Member]		Sep. 30, 2010 Trading Account Assets [Member]		Sep. 30, 2011 Equity securities [Member]		Sep. 30, 2010 Equity securities [Member]		Sep. 30, 2011 Equity securities [Member]		Sep. 30, 2010 Equity securities [Member]		Sep. 30, 2011 Non-U.S. sovereign debt [Member]		Sep. 30, 2010 Non-U.S. sovereign debt [Member]		Sep. 30, 2011 Non-U.S. sovereign debt [Member]		Sep. 30, 2010 Non-U.S. sovereign debt [Member]		Sep. 30, 2011 Mortgage trading loans and ABS [Member]		Sep. 30, 2010 Mortgage trading loans and ABS [Member]		Sep. 30, 2011 Mortgage trading loans and ABS [Member]		Sep. 30, 2010 Mortgage trading loans and ABS [Member]		Sep. 30, 2011 Loans and leases [Member]		Sep. 30, 2010 Loans and leases [Member]		Sep. 30, 2011 Loans and leases [Member]		Sep. 30, 2010 Loans and leases [Member]		Sep. 30, 2011 Mortgage servicing rights [Member]		Sep. 30, 2010 Mortgage servicing rights [Member]		Sep. 30, 2011 Mortgage servicing rights [Member]		Sep. 30, 2010 Mortgage servicing rights [Member]		Dec. 31, 2010 Mortgage servicing rights [Member]		Jun. 30, 2010 Mortgage servicing rights [Member]		Dec. 31, 2009 Mortgage servicing rights [Member]	Sep. 30, 2011 Loans held-for-sale [Member]		Sep. 30, 2010 Loans held-for-sale [Member]		Sep. 30, 2011 Loans held-for-sale [Member]		Sep. 30, 2010 Loans held-for-sale [Member]		Sep. 30, 2011 Other assets [Member]		Sep. 30, 2010 Other assets [Member]		Sep. 30, 2011 Other assets [Member]		Sep. 30, 2010 Other assets [Member]		Sep. 30, 2010 Corporate securities and other [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Servicing Asset at Fair Value, Amount	$ 7,880	$ 12,372	$ 14,900	$ 12,251	$ 14,745	$ 19,465																																																																				$ 7,880	$ 14,900						$ 7,880	$ 14,900																																																																																																																																									$ 14,900	[1],[2]	$ 14,745	[3],[4]	$ 19,465
Trading Liabilities, Fair Value Disclosure									(70)	(7)		(10,272)	(11,350)																																												0	0		0	0													(70)	(7)						(68,026)	(71,985)	(18,614)	(15,482)	(17,767)	(15,813)
Loans And Leases Fair Value Disclosure																																																																										5,300	3,321						11,224	3,321
Trading Account Assets, Fair Value Disclosure							7,492	7,751														45,482	49,352																																		597	623		375	243	3,771	6,908											12,235	15,525						176,398	194,671	23,639	32,129	43,112	33,523	12,440	18,856
Servicing Asset at Fair Value, Amount														7,492	[1]	8,737	[1],[3]	7,492	[1]	8,737	[1],[3]																																					557	[1]																				4,140	6,856																			6,292	[1],[5]	9,544	[1],[3],[6]	6,292	[1],[5]	9,544	[1],[3],[6]	13,762	[1]	16,868	[1]	13,762	[1]	16,868	[1]	13	[1]	13	[1]	55	[1]	55	[1]	1,080	[1]	1,542	[1],[3]	1,080	[1]	1,542	[1],[3]	35	[1]	65	[1],[3]	35	[1]	65	[1],[3]	0	[1]	23	[1],[3]	0	[1]	23	[1],[3]	364	[1]	272	[1],[3]	364	[1]	272	[1],[3]	9,342	[1]	13,736	[1],[3]	9,342	[1]	13,736	[1],[3]	2,873	[1]	1,230	[1],[3]	2,873	[1]	1,230	[1],[3]	12,235	[1]	17,555	[1]	12,235	[1]	17,555	[1]	597	[1]	717	[1],[3]	597	[1]	717	[1],[3]	375	[1]	258	[1],[3]	375	[1]	258	[1],[3]	3,771	[1]	7,843	[1],[3]	3,771	[1]	7,843	[1],[3]	5,300	[1],[2],[7]	3,684	[1],[3],[4]	5,300	[1],[2],[7]	3,684	[1],[3],[4]	7,880	[1],[2]	12,251	[3],[4]	7,880	[1],[2]	12,251	[3],[4]						3,630	[1],[7]	6,021	[1],[3],[4]	3,630	[1],[7]	6,021	[1],[3],[4]	5,750	[1],[8]	7,266	[1],[3],[8]	5,750	[1],[8]	7,266	[1],[3],[8]
Available-for-sale Securities, Fair Value Disclosure																																																																13	4	0	3	364	137	9,342	13,018	2,873	1,224	13,762	15,873	0	1,468	19			324,267	337,627							160,079	191,217	4,963	4,139	4,116	5,291	12,468	15,392	5,179	5,497
Commercial paper and other short term borrowings fair value disclosure																																																																										667	706						6,194	7,178
Reconciliation of all assets and liabilities measured at fair value on a recurring basis using significant unobservable inputs Level(3)
Beginning Balance														7,452	[1]	9,873	[3]			11,080	[1]																																					557	[1]																				4,140	6,856																			5,418	[1],[5]	9,402	[3],[6]	7,745		7,863	[1],[6]	13,462	[1]	17,700		15,873		20,346	[1]	0	[1]			55	[1]			1,094	[1]	1,976	[3]			7,216	[1]	18	[1]	50	[3]			258	[1]	88	[1]	233	[3]			468	[1]	224	[1]	304	[3]			927	[1]	10,374	[1]	13,900	[3]			9,854	[1]	1,609	[1]	1,237	[3]			1,623	[1]	13,970	[1]	19,059		15,459	[1]	21,077	[1]	608	[1]	726	[3]			1,084	[1]	391	[1]	952	[3]			1,143	[1]	5,519	[1]	7,508	[3]			7,770	[1]	9,597	[1],[2],[7]	3,898	[3],[4]			4,936	[1],[4]	12,372													4,012	[1],[7]	5,981	[3],[4]			6,942	[1],[4]	4,549	[1],[8]	7,702	[3],[8]	6,922	[1],[8]	7,821	[1],[8]
Consolidation of VIEs																		0		117						0	[4]	0	[4]				0	[4]	0	[4]	0	[4]							0	[4]							0	[4]	0	[4]																																															0	[5]	0	[6]					0		5,716				0				0						0		(96)						0		0						0		0						0		0						0		5,812						0		0						0		292						0		0						0		0	[4]					0		175						5,194	[2],[7]	0	[4]					0	[2]	0											0	[7]	0	[4]					0	[8]	0	[8]
Gains (Losses) Included in Earnings														(219)		257		456		611																																																																															3,211	[5]	2,684	[6]	5,456	[5]	7,675	[6]	(62)		(86)		(47)		(747)		0		0		0		0		(41)		(86)		(86)		(601)		0		0		0		(13)		0		(2)		0		(126)		(4)		0		(2)		(3)		(25)		2		27		21		8		0		14		(25)		(356)		446		1,111		769		(8)		(17)		57		(50)		(17)		23		68		(132)		(112)		183		530		340		(209)	[2],[7]	86	[4]	0	[2],[7]	(54)	[4]	(3,860)		(2,315)		(6,060)		(7,011)							(142)	[7]	386	[4]	43	[7]	453	[4]	54	[8]	(201)	[8]	356	[8]	1,336	[8]
Gains (Losses) Included in OCI														0		0		0		0																																																																															0	[5]	0	[6]	0	[5]	0	[6]	0		222		0		(301)		0		0		0		0		52		108		24		(202)		0		(3)		0		(34)		0		14		0		(75)		(1)		11		(2)		46		(42)		92		20		(27)		(9)		0		(42)		(9)		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0	[2],[7]	0	[4]	0	[2],[7]	0	[4]	0	[2]	0		0	[2]	0							0	[7]	0	[4]	0	[7]	0	[4]	0	[8]	0	[8]	0	[8]	0	[8]
Gross Purchases														1,084				4,664																																																																																	154	[5]			1,040	[5]			4,448				6,725				13		13		0		56		9				11				17				17				0				0				162				248				2,068				3,518				2,179				2,862				1,287				6,996				103				278				3				125				97				1,929				0	[2],[7]			21	[2],[7]			0	[2]			0	[2]								15	[7]			138	[7]			1,703	[8]			1,875	[8]
Gross Sales														(757)				(5,294)																																																																																	(200)	[5]			(1,460)	[5]			(2,206)				(2,628)				0		0		0		0		(3)				(293)				0				0				0				0				(9)				(16)				(2,187)				(2,240)				(7)				(79)				(2,230)				(10,220)				(92)				(284)				(3)				(18)				(1,378)				(4,624)				0	[2],[7]			(376)	[2],[7]			(218)				(452)									(200)	[7]			(443)	[7]			(290)	[8]			(1,486)	[8]
Gross Issuances														0				0																																																																																	0	[5]			0	[5]			0				0				0		0		0		0		0				0				0				0				0				0				0				0				0				0				0				0				0				0				0				0				0				0				0				0				451	[2],[7]			3,118	[2],[7]			251				1,502									0	[7]			0	[7]			0	[8]			0	[8]
Gross Settlements														(561)				(1,080)																																																																																	(2,950)	[5]			(7,010)	[5]			(1,112)				(5,795)				0		0		0		(1)		(32)				(321)				0				(1)				0				0				0				0				(846)				(5,001)				(234)				(471)				(666)				(1,531)				(25)				(140)				0				(3)				(80)				(308)				(194)	[2],[7]			(1,638)	[2],[7]			(665)				(2,010)									(112)	[7]			(704)	[7]			(266)	[8]			(659)	[8]
Purchases, Issuances and Settlements																(802)				(3,600)																																																																																	(2,246)	[6]			(6,697)	[6]			(1,079)				(11,083)												(567)				(6,396)				18				(110)				(222)				(300)				(43)				(709)				(258)				(3,000)				(7)				(568)				(684)				(4,474)				18				(308)				(75)				(155)				175				(411)				(300)	[4]			(1,198)	[4]			(179)				(203)									(397)	[4]			(1,824)	[4]			(235)	[8]			(1,656)	[8]
Gross Transfers into Level 3														635	[1]	252	[3]	1,450	[1]	2,441	[1]																																																																														285	[1],[5]	307	[3],[6]	625	[1],[5]	1,075	[1],[6]	1	[1]	111		412	[1]	3,382	[1]	0	[1]	0	[1]	0	[1]	0	[1]	1	[1]	111	[3]	277	[1]	1,809	[1]	0	[1]	0	[3]	0	[1]	52	[1]	0	[1]	0	[3]	88	[1]	56	[1]	0	[1]	0	[3]	7	[1]	30	[1]	0	[1]	0	[3]	2	[1]	1,119	[1]	0	[1]	0	[3]	38	[1]	316	[1]	665	[1]	270		1,604	[1]	3,026	[1]	11	[1]	0	[3]	131	[1]	75	[1]	1	[1]	11	[3]	4	[1]	114	[1]	18	[1]	7	[3]	19	[1]	396	[1]	0	[1],[2],[7]	0	[3],[4]	5	[1],[2],[7]	0	[1],[4]	0	[1],[2]	0	[3]	0	[1],[2]	0	[1]						61	[1],[7]	118	[3],[4]	502	[1],[7]	517	[1],[4]	0	[1],[8]	0	[3],[8]	375	[1],[8]	0	[1],[8]
Gross Transfers out of Level 3														(142)	[1]	(843)	[3]	(455)	[1]	(1,912)	[1]																																																																														374	[1],[5]	(603)	[3],[6]	(104)	[1],[5]	(372)	[1],[6]	(769)	[1]	0		(778)	[1]	(445)	[1]	0	[1]	(4)	[1]	0	[1]	0	[1]	0	[1]	0	[3]	0	[1]	(188)	[1]	0	[1]	0	[3]	0	[1]	(88)	[1]	(88)	[1]	0	[3]	(91)	[1]	0	[1]	(8)	[1]	0	[3]	(8)	[1]	(19)	[1]	0	[1]	0	[3]	(2)	[1]	(43)	[1]	(673)	[1]	0	[3]	(673)	[1]	(107)	[1]	(435)	[1]	(1,536)		(1,184)	[1]	(3,135)	[1]	0	[1]	(10)	[3]	(2)	[1]	(84)	[1]	0	[1]	(653)	[3]	(44)	[1]	(712)	[1]	(293)	[1]	(30)	[3]	(683)	[1]	(427)	[1]	(4,345)	[1],[2],[7]	0	[3],[4]	(4,345)		0	[1],[4]	0	[1],[2]	0	[3]	0	[1],[2]	0	[1]						(4)	[1],[7]	(67)	[3],[4]	(46)	[1],[7]	(67)	[1],[4]	0	[1],[8]	0	[3],[8]	(1,633)	[1],[8]	(235)	[1],[8]
Balance September 30														7,492	[1]	8,737	[1],[3]	7,492	[1]	8,737	[1],[3]																																					557	[1]																				4,140	6,856																			6,292	[1],[5]	9,544	[1],[3],[6]	6,292	[1],[5]	9,544	[1],[3],[6]	13,762	[1]	16,868	[1]	13,762	[1]	16,868	[1]	13	[1]	13	[1]	55	[1]	55	[1]	1,080	[1]	1,542	[1],[3]	1,080	[1]	1,542	[1],[3]	35	[1]	65	[1],[3]	35	[1]	65	[1],[3]	0	[1]	23	[1],[3]	0	[1]	23	[1],[3]	364	[1]	272	[1],[3]	364	[1]	272	[1],[3]	9,342	[1]	13,736	[1],[3]	9,342	[1]	13,736	[1],[3]	2,873	[1]	1,230	[1],[3]	2,873	[1]	1,230	[1],[3]	12,235	[1]	17,555	[1]	12,235	[1]	17,555	[1]	597	[1]	717	[1],[3]	597	[1]	717	[1],[3]	375	[1]	258	[1],[3]	375	[1]	258	[1],[3]	3,771	[1]	7,843	[1],[3]	3,771	[1]	7,843	[1],[3]	5,300	[1],[2],[7]	3,684	[1],[3],[4]	5,300	[1],[2],[7]	3,684	[1],[3],[4]	7,880	[1],[2]	12,251	[3],[4]	7,880	[1],[2]	12,251	[3],[4]						3,630	[1],[7]	6,021	[1],[3],[4]	3,630	[1],[7]	6,021	[1],[3],[4]	5,750	[1],[8]	7,266	[1],[3],[8]	5,750	[1],[8]	7,266	[1],[3],[8]
Beginning Balance											(63)					73								80				396	[1]	(744)	700				707	[1],[4]	891	[1],[4]	(13)	(828)	(777)		918				(2,657)	(2,986)	(3,324)		4,090				4,660	[1],[4]																																																																																																																																					7				386	[1]																																														10	[1]
Gains (Losses) Included in Earnings											2					0								0		2		18		58	(35)		(24)		(76)	[4]	166	[4]			0		116		64				388		(190)		245		598	[4]																																																																																																																																					0				23																																															(5)
Gains (Losses) in OCI											0					0								0		0		0		0	0		0		0		0				0		0		0				0		0		0		0																																																																																																																																						0				0																																															0
Gross Purchases											18															94				0			0								0				0				125				340
Gross Sales											(3)															(135)				0			0								0				(4)				(17)				(72)
Gross Issuances											0															0				0			0								0				(9)				(218)				(467)
Gross Settlements											0															0				19			63								3				3				366				754
Purchases, Issuances and Settlements																(11)								(4)				(37)			23				71	[4]	(77)	[4]					0								174				(90)	[4]																																																																																																																																					7				(17)																																															(20)
Gross Transfers into Level 3											(24)					0								0		(24)		(52)	[1]	0	0		0		0	[1],[4]	0	[1],[4]			0		0	[1]	0				(679)	[1]	(477)	[1]	(1,709)	[1]	(1,374)	[1],[4]																																																																																																																																					0				0	[1]																																														(52)	[1]
Gross Transfers out of Level 3											0					46								46		0		429	[1]	0	0		0		0	[1],[4]	0	[1],[4]			761	[1]	0		761	[1]			702	[1]	475		1,238	[1]	1,418	[1],[4]																																																																																																																																					0				380	[1]																																														49	[1]
Balance September 30											$ (70)					$ 38				$ 38				$ 38	[1]			$ 38	[1]	$ (667)	$ 712	[1],[4]	$ (667)		$ 712	[1],[4]	$ 802	[1],[4]	$ (13)	$ (828)	$ (13)		$ 802		$ (13)		$ (2,657)	$ (2,986)	$ (2,657)		$ 4,108	[1],[4]	$ (2,657)		$ 4,108	[1],[4]																																																																																																																																					$ 0	[1]			$ 0	[1]																																														$ 38	[1]

[1] Assets (liabilities). For assets, increase / (decrease) to Level 3 and for liabilities, (increase) / decrease to Level 3.

[2] Issuances represent loan originations and mortgage servicing rights retained following securitizations or whole loan sales.

[3] ) Assets (liabilities). For assets, increase / (decrease) to Level 3 and for liabilities, (increase) / decrease to Level 3.

[4] Amounts represent instruments that are accounted for under the fair value option.

[5] Net derivatives at September 30, 2011 include derivative assets of $16.0 billion and derivative liabilities of $9.8 billion.

[6] Net derivatives at September 30, 2010 include derivative assets of $20.4 billion and derivative liabilities of $10.9 billion.

[7] Amounts represent items that are accounted for under the fair value option.

[8] Other assets is primarily comprised of AFS marketable equity securities.