Derivative Instruments - Derivatives Netting (Details 2) (USD $)	Dec. 31, 2013	Dec. 31, 2012
Gross and Net Derivative Receivables by Contract and Settlement Type:
Derivative receivables with appropriate legal opinion, Gross derivative receivables	$ 1,164,733,000,000	$ 1,607,344,000,000
Derivative receivables with appropriate legal opinion, Amounts netted on the Consolidated balance sheets	(1,114,708,000,000)	(1,561,362,000,000)
Derivative receivables with appropriate legal opinion, Net derivative receivables	50,025,000,000	45,982,000,000
Derivative receivables where an appropriate legal opinion has not been either sought or obtained	15,734,000,000	29,001,000,000
Total derivative receivables recognized on the Consolidated Balance Sheets, Gross derivative receivables	1,180,467,000,000	1,636,345,000,000
Total derivative receivables recognized on the Consolidated Balance Sheets, Net derivative receivables	65,759,000,000	74,983,000,000
Netted cash collateral payables	63,900,000,000	79,200,000,000
Gross and Net Derivative Payables by Contract and Settlement Type:
Derivative payables with appropriate legal opinions, Gross derivative payables	1,144,452,000,000	1,592,147,000,000
Derivative payables with appropriate legal opinions, Amounts netted on the Consolidated balance sheets	(1,102,835,000,000)	(1,542,857,000,000)
Derivative payables with appropriate legal opinions, Net derivative payables	41,617,000,000	49,290,000,000
Derivative payables where an appropriate legal opinion has not been either sought or obtained	15,697,000,000	21,366,000,000
Total derivative payables recognized on the Consolidated Balance Sheets, Gross derivative payables	1,160,149,000,000	1,613,513,000,000
Total derivative payables recognized on the Consolidated Balance Sheets, Net derivative payables	57,314,000,000	70,656,000,000
Netted cash collateral receivables	52,100,000,000	60,700,000,000
Interest rate contract [Member]
Gross and Net Derivative Receivables by Contract and Settlement Type:
Derivative receivables with appropriate legal opinion, Gross derivative receivables	848,875,000,000	1,286,229,000,000
Derivative receivables with appropriate legal opinion, Amounts netted on the Consolidated balance sheets	(828,897,000,000)	(1,263,127,000,000)
Derivative receivables with appropriate legal opinion, Net derivative receivables	19,978,000,000	23,102,000,000
Total derivative receivables recognized on the Consolidated Balance Sheets, Gross derivative receivables	854,679,000,000	1,302,332,000,000
Total derivative receivables recognized on the Consolidated Balance Sheets, Net derivative receivables	25,782,000,000	39,205,000,000
Gross and Net Derivative Payables by Contract and Settlement Type:
Derivative payables with appropriate legal opinions, Gross derivative payables	822,548,000,000	1,256,842,000,000
Derivative payables with appropriate legal opinions, Amounts netted on the Consolidated balance sheets	(812,071,000,000)	(1,235,868,000,000)
Derivative payables with appropriate legal opinions, Net derivative payables	10,477,000,000	20,974,000,000
Total derivative payables recognized on the Consolidated Balance Sheets, Gross derivative payables	825,354,000,000	1,260,774,000,000
Total derivative payables recognized on the Consolidated Balance Sheets, Net derivative payables	13,283,000,000	24,906,000,000
Interest rate contract [Member] | Over-the-counter [Member]
Gross and Net Derivative Receivables by Contract and Settlement Type:
Derivative receivables with appropriate legal opinion, Gross derivative receivables	486,449,000,000	794,282,000,000
Derivative receivables with appropriate legal opinion, Amounts netted on the Consolidated balance sheets	(466,493,000,000)	(771,449,000,000)
Derivative receivables with appropriate legal opinion, Net derivative receivables	19,956,000,000	22,833,000,000
Gross and Net Derivative Payables by Contract and Settlement Type:
Derivative payables with appropriate legal opinions, Gross derivative payables	467,850,000,000	774,824,000,000
Derivative payables with appropriate legal opinions, Amounts netted on the Consolidated balance sheets	(458,081,000,000)	(754,105,000,000)
Derivative payables with appropriate legal opinions, Net derivative payables	9,769,000,000	20,719,000,000
Interest rate contract [Member] | OTC-cleared [Member]
Gross and Net Derivative Receivables by Contract and Settlement Type:
Derivative receivables with appropriate legal opinion, Gross derivative receivables	362,426,000,000	491,947,000,000
Derivative receivables with appropriate legal opinion, Amounts netted on the Consolidated balance sheets	(362,404,000,000)	(491,678,000,000)
Derivative receivables with appropriate legal opinion, Net derivative receivables	22,000,000	269,000,000
Gross and Net Derivative Payables by Contract and Settlement Type:
Derivative payables with appropriate legal opinions, Gross derivative payables	354,698,000,000	482,018,000,000
Derivative payables with appropriate legal opinions, Amounts netted on the Consolidated balance sheets	(353,990,000,000)	(481,763,000,000)
Derivative payables with appropriate legal opinions, Net derivative payables	708,000,000	255,000,000
Interest rate contract [Member] | Exchange traded [Member]
Gross and Net Derivative Receivables by Contract and Settlement Type:
Derivative receivables with appropriate legal opinion, Gross derivative receivables	0	0
Derivative receivables with appropriate legal opinion, Amounts netted on the Consolidated balance sheets	0	0
Derivative receivables with appropriate legal opinion, Net derivative receivables	0	0
Gross and Net Derivative Payables by Contract and Settlement Type:
Derivative payables with appropriate legal opinions, Gross derivative payables	0	0
Derivative payables with appropriate legal opinions, Amounts netted on the Consolidated balance sheets	0	0
Derivative payables with appropriate legal opinions, Net derivative payables	0	0
Credit derivatives [Member]
Gross and Net Derivative Receivables by Contract and Settlement Type:
Derivative receivables with appropriate legal opinion, Gross derivative receivables	83,110,000,000	99,215,000,000
Derivative receivables with appropriate legal opinion, Amounts netted on the Consolidated balance sheets	(82,004,000,000)	(98,575,000,000)
Derivative receivables with appropriate legal opinion, Net derivative receivables	1,106,000,000	640,000,000
Total derivative receivables recognized on the Consolidated Balance Sheets, Gross derivative receivables	83,520,000,000	100,310,000,000
Total derivative receivables recognized on the Consolidated Balance Sheets, Net derivative receivables	1,516,000,000	1,735,000,000
Gross and Net Derivative Payables by Contract and Settlement Type:
Derivative payables with appropriate legal opinions, Gross derivative payables	81,729,000,000	98,542,000,000
Derivative payables with appropriate legal opinions, Amounts netted on the Consolidated balance sheets	(80,121,000,000)	(97,523,000,000)
Derivative payables with appropriate legal opinions, Net derivative payables	1,608,000,000	1,019,000,000
Total derivative payables recognized on the Consolidated Balance Sheets, Gross derivative payables	82,402,000,000	100,027,000,000
Total derivative payables recognized on the Consolidated Balance Sheets, Net derivative payables	2,281,000,000	2,504,000,000
Credit derivatives [Member] | Over-the-counter [Member]
Gross and Net Derivative Receivables by Contract and Settlement Type:
Derivative receivables with appropriate legal opinion, Gross derivative receivables	66,269,000,000	90,744,000,000
Derivative receivables with appropriate legal opinion, Amounts netted on the Consolidated balance sheets	(65,725,000,000)	(90,104,000,000)
Derivative receivables with appropriate legal opinion, Net derivative receivables	544,000,000	640,000,000
Gross and Net Derivative Payables by Contract and Settlement Type:
Derivative payables with appropriate legal opinions, Gross derivative payables	65,223,000,000	89,170,000,000
Derivative payables with appropriate legal opinions, Amounts netted on the Consolidated balance sheets	(63,671,000,000)	(88,151,000,000)
Derivative payables with appropriate legal opinions, Net derivative payables	1,552,000,000	1,019,000,000
Credit derivatives [Member] | OTC-cleared [Member]
Gross and Net Derivative Receivables by Contract and Settlement Type:
Derivative receivables with appropriate legal opinion, Gross derivative receivables	16,841,000,000	8,471,000,000
Derivative receivables with appropriate legal opinion, Amounts netted on the Consolidated balance sheets	(16,279,000,000)	(8,471,000,000)
Derivative receivables with appropriate legal opinion, Net derivative receivables	562,000,000	0
Gross and Net Derivative Payables by Contract and Settlement Type:
Derivative payables with appropriate legal opinions, Gross derivative payables	16,506,000,000	9,372,000,000
Derivative payables with appropriate legal opinions, Amounts netted on the Consolidated balance sheets	(16,450,000,000)	(9,372,000,000)
Derivative payables with appropriate legal opinions, Net derivative payables	56,000,000	0
Foreign exchange [Member]
Gross and Net Derivative Receivables by Contract and Settlement Type:
Derivative receivables with appropriate legal opinion, Gross derivative receivables	148,999,000,000	141,076,000,000
Derivative receivables with appropriate legal opinion, Amounts netted on the Consolidated balance sheets	(136,809,000,000)	(133,111,000,000)
Derivative receivables with appropriate legal opinion, Net derivative receivables	12,190,000,000	7,965,000,000
Total derivative receivables recognized on the Consolidated Balance Sheets, Gross derivative receivables	153,599,000,000	147,253,000,000
Total derivative receivables recognized on the Consolidated Balance Sheets, Net derivative receivables	16,790,000,000	14,142,000,000
Gross and Net Derivative Payables by Contract and Settlement Type:
Derivative payables with appropriate legal opinions, Gross derivative payables	155,171,000,000	153,210,000,000
Derivative payables with appropriate legal opinions, Amounts netted on the Consolidated balance sheets	(144,178,000,000)	(141,951,000,000)
Derivative payables with appropriate legal opinions, Net derivative payables	10,993,000,000	11,259,000,000
Total derivative payables recognized on the Consolidated Balance Sheets, Gross derivative payables	160,125,000,000	160,552,000,000
Total derivative payables recognized on the Consolidated Balance Sheets, Net derivative payables	15,947,000,000	18,601,000,000
Foreign exchange [Member] | Over-the-counter [Member]
Gross and Net Derivative Receivables by Contract and Settlement Type:
Derivative receivables with appropriate legal opinion, Gross derivative receivables	148,953,000,000	141,053,000,000
Derivative receivables with appropriate legal opinion, Amounts netted on the Consolidated balance sheets	(136,763,000,000)	(133,088,000,000)
Derivative receivables with appropriate legal opinion, Net derivative receivables	12,190,000,000	7,965,000,000
Gross and Net Derivative Payables by Contract and Settlement Type:
Derivative payables with appropriate legal opinions, Gross derivative payables	155,110,000,000	153,181,000,000
Derivative payables with appropriate legal opinions, Amounts netted on the Consolidated balance sheets	(144,119,000,000)	(141,928,000,000)
Derivative payables with appropriate legal opinions, Net derivative payables	10,991,000,000	11,253,000,000
Foreign exchange [Member] | OTC-cleared [Member]
Gross and Net Derivative Receivables by Contract and Settlement Type:
Derivative receivables with appropriate legal opinion, Gross derivative receivables	46,000,000	23,000,000
Derivative receivables with appropriate legal opinion, Amounts netted on the Consolidated balance sheets	(46,000,000)	(23,000,000)
Derivative receivables with appropriate legal opinion, Net derivative receivables	0	0
Gross and Net Derivative Payables by Contract and Settlement Type:
Derivative payables with appropriate legal opinions, Gross derivative payables	61,000,000	29,000,000
Derivative payables with appropriate legal opinions, Amounts netted on the Consolidated balance sheets	(59,000,000)	(23,000,000)
Derivative payables with appropriate legal opinions, Net derivative payables	2,000,000	6,000,000
Foreign exchange [Member] | Exchange traded [Member]
Gross and Net Derivative Receivables by Contract and Settlement Type:
Derivative receivables with appropriate legal opinion, Gross derivative receivables	0	0
Derivative receivables with appropriate legal opinion, Amounts netted on the Consolidated balance sheets	0	0
Derivative receivables with appropriate legal opinion, Net derivative receivables	0	0
Gross and Net Derivative Payables by Contract and Settlement Type:
Derivative payables with appropriate legal opinions, Gross derivative payables	0	0
Derivative payables with appropriate legal opinions, Amounts netted on the Consolidated balance sheets	0	0
Derivative payables with appropriate legal opinions, Net derivative payables	0	0
Equity Contract [Member]
Gross and Net Derivative Receivables by Contract and Settlement Type:
Derivative receivables with appropriate legal opinion, Gross derivative receivables	49,602,000,000	38,866,000,000
Derivative receivables with appropriate legal opinion, Amounts netted on the Consolidated balance sheets	(40,704,000,000)	(33,413,000,000)
Derivative receivables with appropriate legal opinion, Net derivative receivables	8,898,000,000	5,453,000,000
Total derivative receivables recognized on the Consolidated Balance Sheets, Gross derivative receivables	52,931,000,000	42,679,000,000
Total derivative receivables recognized on the Consolidated Balance Sheets, Net derivative receivables	12,227,000,000	9,266,000,000
Gross and Net Derivative Payables by Contract and Settlement Type:
Derivative payables with appropriate legal opinions, Gross derivative payables	50,644,000,000	40,321,000,000
Derivative payables with appropriate legal opinions, Amounts netted on the Consolidated balance sheets	(39,935,000,000)	(32,716,000,000)
Derivative payables with appropriate legal opinions, Net derivative payables	10,709,000,000	7,605,000,000
Total derivative payables recognized on the Consolidated Balance Sheets, Gross derivative payables	54,654,000,000	44,535,000,000
Total derivative payables recognized on the Consolidated Balance Sheets, Net derivative payables	14,719,000,000	11,819,000,000
Equity Contract [Member] | Over-the-counter [Member]
Gross and Net Derivative Receivables by Contract and Settlement Type:
Derivative receivables with appropriate legal opinion, Gross derivative receivables	31,870,000,000	26,025,000,000
Derivative receivables with appropriate legal opinion, Amounts netted on the Consolidated balance sheets	(29,289,000,000)	(24,645,000,000)
Derivative receivables with appropriate legal opinion, Net derivative receivables	2,581,000,000	1,380,000,000
Gross and Net Derivative Payables by Contract and Settlement Type:
Derivative payables with appropriate legal opinions, Gross derivative payables	33,295,000,000	28,321,000,000
Derivative payables with appropriate legal opinions, Amounts netted on the Consolidated balance sheets	(28,520,000,000)	(23,949,000,000)
Derivative payables with appropriate legal opinions, Net derivative payables	4,775,000,000	4,372,000,000
Equity Contract [Member] | OTC-cleared [Member]
Gross and Net Derivative Receivables by Contract and Settlement Type:
Derivative receivables with appropriate legal opinion, Gross derivative receivables	0	0
Derivative receivables with appropriate legal opinion, Amounts netted on the Consolidated balance sheets	0	0
Derivative receivables with appropriate legal opinion, Net derivative receivables	0	0
Gross and Net Derivative Payables by Contract and Settlement Type:
Derivative payables with appropriate legal opinions, Gross derivative payables	0	0
Derivative payables with appropriate legal opinions, Amounts netted on the Consolidated balance sheets	0	0
Derivative payables with appropriate legal opinions, Net derivative payables	0	0
Equity Contract [Member] | Exchange traded [Member]
Gross and Net Derivative Receivables by Contract and Settlement Type:
Derivative receivables with appropriate legal opinion, Gross derivative receivables	17,732,000,000	12,841,000,000
Derivative receivables with appropriate legal opinion, Amounts netted on the Consolidated balance sheets	(11,415,000,000)	(8,768,000,000)
Derivative receivables with appropriate legal opinion, Net derivative receivables	6,317,000,000	4,073,000,000
Gross and Net Derivative Payables by Contract and Settlement Type:
Derivative payables with appropriate legal opinions, Gross derivative payables	17,349,000,000	12,000,000,000
Derivative payables with appropriate legal opinions, Amounts netted on the Consolidated balance sheets	(11,415,000,000)	(8,767,000,000)
Derivative payables with appropriate legal opinions, Net derivative payables	5,934,000,000	3,233,000,000
Commodity [Member]
Gross and Net Derivative Receivables by Contract and Settlement Type:
Derivative receivables with appropriate legal opinion, Gross derivative receivables	34,147,000,000	41,958,000,000
Derivative receivables with appropriate legal opinion, Amounts netted on the Consolidated balance sheets	(26,294,000,000)	(33,136,000,000)
Derivative receivables with appropriate legal opinion, Net derivative receivables	7,853,000,000	8,822,000,000
Total derivative receivables recognized on the Consolidated Balance Sheets, Gross derivative receivables	35,738,000,000	43,771,000,000
Total derivative receivables recognized on the Consolidated Balance Sheets, Net derivative receivables	9,444,000,000	10,635,000,000
Gross and Net Derivative Payables by Contract and Settlement Type:
Derivative payables with appropriate legal opinions, Gross derivative payables	34,360,000,000	43,232,000,000
Derivative payables with appropriate legal opinions, Amounts netted on the Consolidated balance sheets	(26,530,000,000)	(34,799,000,000)
Derivative payables with appropriate legal opinions, Net derivative payables	7,830,000,000	8,433,000,000
Total derivative payables recognized on the Consolidated Balance Sheets, Gross derivative payables	37,614,000,000	47,625,000,000
Total derivative payables recognized on the Consolidated Balance Sheets, Net derivative payables	11,084,000,000	12,826,000,000
Commodity [Member] | Over-the-counter [Member]
Gross and Net Derivative Receivables by Contract and Settlement Type:
Derivative receivables with appropriate legal opinion, Gross derivative receivables	21,619,000,000	26,850,000,000
Derivative receivables with appropriate legal opinion, Amounts netted on the Consolidated balance sheets	(15,082,000,000)	(20,729,000,000)
Derivative receivables with appropriate legal opinion, Net derivative receivables	6,537,000,000	6,121,000,000
Gross and Net Derivative Payables by Contract and Settlement Type:
Derivative payables with appropriate legal opinions, Gross derivative payables	21,993,000,000	28,744,000,000
Derivative payables with appropriate legal opinions, Amounts netted on the Consolidated balance sheets	(15,318,000,000)	(22,392,000,000)
Derivative payables with appropriate legal opinions, Net derivative payables	6,675,000,000	6,352,000,000
Commodity [Member] | OTC-cleared [Member]
Gross and Net Derivative Receivables by Contract and Settlement Type:
Derivative receivables with appropriate legal opinion, Gross derivative receivables	0	0
Derivative receivables with appropriate legal opinion, Amounts netted on the Consolidated balance sheets	0	0
Derivative receivables with appropriate legal opinion, Net derivative receivables	0	0
Gross and Net Derivative Payables by Contract and Settlement Type:
Derivative payables with appropriate legal opinions, Gross derivative payables	0	0
Derivative payables with appropriate legal opinions, Amounts netted on the Consolidated balance sheets	0	0
Derivative payables with appropriate legal opinions, Net derivative payables	0	0
Commodity [Member] | Exchange traded [Member]
Gross and Net Derivative Receivables by Contract and Settlement Type:
Derivative receivables with appropriate legal opinion, Gross derivative receivables	12,528,000,000	15,108,000,000
Derivative receivables with appropriate legal opinion, Amounts netted on the Consolidated balance sheets	(11,212,000,000)	(12,407,000,000)
Derivative receivables with appropriate legal opinion, Net derivative receivables	1,316,000,000	2,701,000,000
Gross and Net Derivative Payables by Contract and Settlement Type:
Derivative payables with appropriate legal opinions, Gross derivative payables	12,367,000,000	14,488,000,000
Derivative payables with appropriate legal opinions, Amounts netted on the Consolidated balance sheets	(11,212,000,000)	(12,407,000,000)
Derivative payables with appropriate legal opinions, Net derivative payables	$ 1,155,000,000	$ 2,081,000,000