Annual report pursuant to Section 13 and 15(d)

Derivatives - Derivative Balances (Details)

v2.4.0.6
Derivatives - Derivative Balances (Details) (USD $)
Dec. 31, 2012
Dec. 31, 2011
Notional Amount of Derivatives [Abstract]    
Notional Amount of Derivatives $ 1,600,315,000,000 $ 1,903,782,000,000
Derivative Assets [Abstract]    
Gross Derivative Assets Trading Activities And As Economic Hedges 1,367,800,000,000 1,861,700,000,000
Derivative Asset, Fair Value, Gross Asset 1,383,500,000,000 1,881,800,000,000
Derivative Assets Legally Enforceable Master Netting Agreements (1,271,900,000,000) (1,749,900,000,000)
Derivative Assets Cash Collateral Applied (58,100,000,000) (58,900,000,000)
Derivative assets 53,497,000,000 73,023,000,000
Derivative Liabilities [Abstract]    
Gross Derivative Liabilities Trading Activities And As Economic Hedges 1,357,500,000,000 1,846,500,000,000
Derivative Liability, Fair Value, Gross Liability 1,364,800,000,000 1,861,300,000,000
Derivative Liabilities Legally Enforceable Master Netting Agreements 1,271,900,000,000 1,749,900,000,000
Derivative Liabilities Cash Collateral Applied 46,900,000,000 51,900,000,000
Derivative Liabilities 46,016,000,000 59,520,000,000
Designated as Hedging Instrument [Member]
   
Derivative Assets [Abstract]    
Derivative Asset, Fair Value, Gross Asset 15,700,000,000 20,100,000,000
Derivative Liabilities [Abstract]    
Derivative Liability, Fair Value, Gross Liability 7,300,000,000 14,800,000,000
Interest Rate Contract [Member] | Swap [Member]
   
Notional Amount of Derivatives [Abstract]    
Notional Amount of Derivatives 34,667,400,000,000 [1] 40,473,700,000,000 [1]
Derivative Assets [Abstract]    
Gross Derivative Assets Trading Activities And As Economic Hedges 1,075,400,000,000 1,490,700,000,000
Derivative Asset, Fair Value, Gross Asset 1,089,200,000,000 1,506,600,000,000
Derivative Liabilities [Abstract]    
Gross Derivative Liabilities Trading Activities And As Economic Hedges 1,062,600,000,000 1,473,000,000,000
Derivative Liability, Fair Value, Gross Liability 1,067,300,000,000 1,485,300,000,000
Interest Rate Contract [Member] | Swap [Member] | Designated as Hedging Instrument [Member]
   
Derivative Assets [Abstract]    
Derivative Asset, Fair Value, Gross Asset 13,800,000,000 15,900,000,000
Derivative Liabilities [Abstract]    
Derivative Liability, Fair Value, Gross Liability 4,700,000,000 12,300,000,000
Interest Rate Contract [Member] | Futures and Forwards [Member]
   
Notional Amount of Derivatives [Abstract]    
Notional Amount of Derivatives 11,950,500,000,000 [1] 12,105,800,000,000 [1]
Derivative Assets [Abstract]    
Gross Derivative Assets Trading Activities And As Economic Hedges 2,800,000,000 2,900,000,000
Derivative Asset, Fair Value, Gross Asset 2,800,000,000 3,100,000,000
Derivative Liabilities [Abstract]    
Gross Derivative Liabilities Trading Activities And As Economic Hedges 2,700,000,000 3,400,000,000
Derivative Liability, Fair Value, Gross Liability 2,700,000,000 3,400,000,000
Interest Rate Contract [Member] | Futures and Forwards [Member] | Designated as Hedging Instrument [Member]
   
Derivative Assets [Abstract]    
Derivative Asset, Fair Value, Gross Asset 0 200,000,000
Interest Rate Contract [Member] | Written Options [Member]
   
Notional Amount of Derivatives [Abstract]    
Notional Amount of Derivatives 2,343,500,000,000 [1] 2,534,000,000,000 [1]
Derivative Assets [Abstract]    
Derivative Asset, Fair Value, Gross Asset   0
Derivative Liabilities [Abstract]    
Gross Derivative Liabilities Trading Activities And As Economic Hedges 106,000,000,000 117,800,000,000
Derivative Liability, Fair Value, Gross Liability 106,000,000,000 117,800,000,000
Interest Rate Contract [Member] | Purchased Options [Member]
   
Notional Amount of Derivatives [Abstract]    
Notional Amount of Derivatives 2,162,600,000,000 [1] 2,467,200,000,000 [1]
Derivative Assets [Abstract]    
Gross Derivative Assets Trading Activities And As Economic Hedges 105,500,000,000 120,000,000,000
Derivative Asset, Fair Value, Gross Asset 105,500,000,000 120,000,000,000
Derivative Liabilities [Abstract]    
Derivative Liability, Fair Value, Gross Liability 0 0
Foreign Exchange Contract [Member] | Swap [Member]
   
Notional Amount of Derivatives [Abstract]    
Notional Amount of Derivatives 2,489,000,000,000 [1] 2,381,600,000,000 [1]
Derivative Assets [Abstract]    
Gross Derivative Assets Trading Activities And As Economic Hedges 47,400,000,000 48,300,000,000
Derivative Asset, Fair Value, Gross Asset 48,800,000,000 50,900,000,000
Derivative Liabilities [Abstract]    
Gross Derivative Liabilities Trading Activities And As Economic Hedges 53,200,000,000 58,900,000,000
Derivative Liability, Fair Value, Gross Liability 55,000,000,000 61,100,000,000
Foreign Exchange Contract [Member] | Swap [Member] | Designated as Hedging Instrument [Member]
   
Derivative Assets [Abstract]    
Derivative Asset, Fair Value, Gross Asset 1,400,000,000 2,600,000,000
Derivative Liabilities [Abstract]    
Derivative Liability, Fair Value, Gross Liability 1,800,000,000 2,200,000,000
Foreign Exchange Contract [Member] | Spot Futures and Forwards [Member]
   
Notional Amount of Derivatives [Abstract]    
Notional Amount of Derivatives 3,023,000,000,000 [1] 2,548,800,000,000 [1]
Derivative Assets [Abstract]    
Gross Derivative Assets Trading Activities And As Economic Hedges 31,500,000,000 37,200,000,000
Derivative Asset, Fair Value, Gross Asset 31,900,000,000 38,500,000,000
Derivative Liabilities [Abstract]    
Gross Derivative Liabilities Trading Activities And As Economic Hedges 30,500,000,000 39,200,000,000
Derivative Liability, Fair Value, Gross Liability 31,300,000,000 39,500,000,000
Foreign Exchange Contract [Member] | Spot Futures and Forwards [Member] | Designated as Hedging Instrument [Member]
   
Derivative Assets [Abstract]    
Derivative Asset, Fair Value, Gross Asset 400,000,000 1,300,000,000
Derivative Liabilities [Abstract]    
Derivative Liability, Fair Value, Gross Liability 800,000,000 300,000,000
Foreign Exchange Contract [Member] | Written Options [Member]
   
Notional Amount of Derivatives [Abstract]    
Notional Amount of Derivatives 363,300,000,000 [1] 368,500,000,000 [1]
Derivative Assets [Abstract]    
Derivative Asset, Fair Value, Gross Asset   0
Derivative Liabilities [Abstract]    
Gross Derivative Liabilities Trading Activities And As Economic Hedges 7,300,000,000 9,400,000,000
Derivative Liability, Fair Value, Gross Liability 7,300,000,000 9,400,000,000
Foreign Exchange Contract [Member] | Purchased Options [Member]
   
Notional Amount of Derivatives [Abstract]    
Notional Amount of Derivatives 321,800,000,000 [1] 341,000,000,000 [1]
Derivative Assets [Abstract]    
Gross Derivative Assets Trading Activities And As Economic Hedges 6,500,000,000 9,000,000,000
Derivative Asset, Fair Value, Gross Asset 6,500,000,000 9,000,000,000
Derivative Liabilities [Abstract]    
Derivative Liability, Fair Value, Gross Liability 0 0
Equity Contract [Member] | Swap [Member]
   
Notional Amount of Derivatives [Abstract]    
Notional Amount of Derivatives 127,100,000,000 [1] 75,500,000,000 [1]
Derivative Assets [Abstract]    
Gross Derivative Assets Trading Activities And As Economic Hedges 1,600,000,000 1,500,000,000
Derivative Asset, Fair Value, Gross Asset 1,600,000,000 1,500,000,000
Derivative Liabilities [Abstract]    
Gross Derivative Liabilities Trading Activities And As Economic Hedges 2,000,000,000 1,700,000,000
Derivative Liability, Fair Value, Gross Liability 2,000,000,000 1,700,000,000
Equity Contract [Member] | Futures and Forwards [Member]
   
Notional Amount of Derivatives [Abstract]    
Notional Amount of Derivatives 58,400,000,000 [1] 52,100,000,000 [1]
Derivative Assets [Abstract]    
Gross Derivative Assets Trading Activities And As Economic Hedges 1,000,000,000 1,800,000,000
Derivative Asset, Fair Value, Gross Asset 1,000,000,000 1,800,000,000
Derivative Liabilities [Abstract]    
Gross Derivative Liabilities Trading Activities And As Economic Hedges 1,000,000,000 1,500,000,000
Derivative Liability, Fair Value, Gross Liability 1,000,000,000 1,500,000,000
Equity Contract [Member] | Written Options [Member]
   
Notional Amount of Derivatives [Abstract]    
Notional Amount of Derivatives 295,300,000,000 [1] 367,100,000,000 [1]
Derivative Assets [Abstract]    
Derivative Asset, Fair Value, Gross Asset   0
Derivative Liabilities [Abstract]    
Gross Derivative Liabilities Trading Activities And As Economic Hedges 20,200,000,000 17,700,000,000
Derivative Liability, Fair Value, Gross Liability 20,200,000,000 17,700,000,000
Equity Contract [Member] | Purchased Options [Member]
   
Notional Amount of Derivatives [Abstract]    
Notional Amount of Derivatives 271,000,000,000 [1] 360,200,000,000 [1]
Derivative Assets [Abstract]    
Gross Derivative Assets Trading Activities And As Economic Hedges 20,400,000,000 19,600,000,000
Derivative Asset, Fair Value, Gross Asset 20,400,000,000 19,600,000,000
Derivative Liabilities [Abstract]    
Derivative Liability, Fair Value, Gross Liability 0 0
Commodity Contract [Member] | Swap [Member]
   
Notional Amount of Derivatives [Abstract]    
Notional Amount of Derivatives 60,500,000,000 [1] 73,800,000,000 [1]
Derivative Assets [Abstract]    
Gross Derivative Assets Trading Activities And As Economic Hedges 2,500,000,000 4,900,000,000
Derivative Asset, Fair Value, Gross Asset 2,600,000,000 5,000,000,000
Derivative Liabilities [Abstract]    
Gross Derivative Liabilities Trading Activities And As Economic Hedges 4,000,000,000 5,900,000,000
Derivative Liability, Fair Value, Gross Liability 4,000,000,000 5,900,000,000
Commodity Contract [Member] | Swap [Member] | Designated as Hedging Instrument [Member]
   
Derivative Assets [Abstract]    
Derivative Asset, Fair Value, Gross Asset 100,000,000 100,000,000
Derivative Liabilities [Abstract]    
Derivative Liability, Fair Value, Gross Liability 0 0
Commodity Contract [Member] | Futures and Forwards [Member]
   
Notional Amount of Derivatives [Abstract]    
Notional Amount of Derivatives 498,900,000,000 [1] 470,500,000,000 [1]
Derivative Assets [Abstract]    
Gross Derivative Assets Trading Activities And As Economic Hedges 4,800,000,000 5,300,000,000
Derivative Asset, Fair Value, Gross Asset 4,800,000,000 5,300,000,000
Derivative Liabilities [Abstract]    
Gross Derivative Liabilities Trading Activities And As Economic Hedges 2,700,000,000 3,200,000,000
Derivative Liability, Fair Value, Gross Liability 2,700,000,000 3,200,000,000
Commodity Contract [Member] | Written Options [Member]
   
Notional Amount of Derivatives [Abstract]    
Notional Amount of Derivatives 166,400,000,000 [1] 142,300,000,000 [1]
Derivative Assets [Abstract]    
Derivative Asset, Fair Value, Gross Asset   0
Derivative Liabilities [Abstract]    
Gross Derivative Liabilities Trading Activities And As Economic Hedges 7,400,000,000 9,500,000,000
Derivative Liability, Fair Value, Gross Liability 7,400,000,000 9,500,000,000
Commodity Contract [Member] | Purchased Options [Member]
   
Notional Amount of Derivatives [Abstract]    
Notional Amount of Derivatives 168,200,000,000 [1] 141,300,000,000 [1]
Derivative Assets [Abstract]    
Gross Derivative Assets Trading Activities And As Economic Hedges 7,100,000,000 9,500,000,000
Derivative Asset, Fair Value, Gross Asset 7,100,000,000 9,500,000,000
Derivative Liabilities [Abstract]    
Derivative Liability, Fair Value, Gross Liability 0 0
Credit Risk Contract [Member] | Credit Default Swap [Member] | Credit Default Swap, Buying Protection [Member]
   
Notional Amount of Derivatives [Abstract]    
Notional Amount of Derivatives 1,559,500,000,000 [1] 1,944,800,000,000 [1]
Derivative Assets [Abstract]    
Gross Derivative Assets Trading Activities And As Economic Hedges 35,600,000,000 95,800,000,000
Derivative Asset, Fair Value, Gross Asset 35,600,000,000 95,800,000,000
Derivative Liabilities [Abstract]    
Gross Derivative Liabilities Trading Activities And As Economic Hedges 22,100,000,000 13,800,000,000
Derivative Liability, Fair Value, Gross Liability 22,100,000,000 13,800,000,000
Credit Risk Contract [Member] | Credit Default Swap [Member] | Credit Default Swap, Selling Protection [Member]
   
Notional Amount of Derivatives [Abstract]    
Notional Amount of Derivatives 1,531,504,000,000 [1] 1,885,944,000,000 [1]
Derivative Assets [Abstract]    
Gross Derivative Assets Trading Activities And As Economic Hedges 23,000,000,000 14,100,000,000
Derivative Asset, Fair Value, Gross Asset 23,000,000,000 14,100,000,000
Derivative Liabilities [Abstract]    
Gross Derivative Liabilities Trading Activities And As Economic Hedges 32,622,000,000 90,487,000,000
Derivative Liability, Fair Value, Gross Liability 32,622,000,000 90,487,000,000
Credit Risk Contract [Member] | Return Swaps Other [Member] | Credit Default Swap, Buying Protection [Member]
   
Notional Amount of Derivatives [Abstract]    
Notional Amount of Derivatives 43,500,000,000 [1] 17,500,000,000 [1]
Derivative Assets [Abstract]    
Gross Derivative Assets Trading Activities And As Economic Hedges 2,500,000,000 600,000,000
Derivative Asset, Fair Value, Gross Asset 2,500,000,000 600,000,000
Derivative Liabilities [Abstract]    
Gross Derivative Liabilities Trading Activities And As Economic Hedges 2,900,000,000 300,000,000
Derivative Liability, Fair Value, Gross Liability 2,900,000,000 300,000,000
Credit Risk Contract [Member] | Return Swaps Other [Member] | Credit Default Swap, Selling Protection [Member]
   
Notional Amount of Derivatives [Abstract]    
Notional Amount of Derivatives 68,811,000,000 [1] 17,838,000,000 [1]
Derivative Assets [Abstract]    
Gross Derivative Assets Trading Activities And As Economic Hedges 200,000,000 500,000,000
Derivative Asset, Fair Value, Gross Asset 200,000,000 500,000,000
Derivative Liabilities [Abstract]    
Gross Derivative Liabilities Trading Activities And As Economic Hedges 276,000,000 716,000,000
Derivative Liability, Fair Value, Gross Liability $ 276,000,000 $ 716,000,000
[1] Represents the total contract/notional amount of derivative assets and liabilities outstanding.