Derivatives - Derivatives as Guarantees (Details) (USD $)
In Millions, unless otherwise specified |
Mar. 31, 2013
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Dec. 31, 2012
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Derivative [Line Items] | ||||||||
Carrying Value | $ 585,296 | $ 665,853 | ||||||
Derivatives as Guarantees [Member]
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Derivative [Line Items] | ||||||||
Maximum Payout/ Notional | 237,602 | 232,699 | ||||||
Less than 1 year | 51,421 | 45,326 | ||||||
1 - 3 years | 58,539 | 62,981 | ||||||
3 - 5 years | 88,513 | 88,990 | ||||||
Over 5 years | 39,129 | 35,402 | ||||||
Carrying Value | 13,685 | [1] | 13,802 | [1] | ||||
Credit derivatives purchased
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Derivative [Line Items] | ||||||||
Maximum Payout/ Notional | 135,341 | 131,643 | ||||||
Less than 1 year | 29,583 | 31,576 | ||||||
1 - 3 years | 40,389 | 38,844 | ||||||
3 - 5 years | 45,546 | 41,800 | ||||||
Over 5 years | 19,823 | 19,423 | ||||||
Carrying Value | 4,392 | [1] | 4,208 | [1] | ||||
Credit derivatives sold
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Derivative [Line Items] | ||||||||
Maximum Payout/ Notional | 141,434 | 138,479 | ||||||
Less than 1 year | 27,203 | 29,881 | ||||||
1 - 3 years | 40,528 | 41,986 | ||||||
3 - 5 years | 47,068 | 43,399 | ||||||
Over 5 years | 26,635 | 23,213 | ||||||
Carrying Value | 5,197 | [1] | 5,235 | [1] | ||||
Credit derivatives | Derivatives as Guarantees [Member]
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Derivative [Line Items] | ||||||||
Maximum Payout/ Notional | 232,741 | 228,053 | ||||||
Less than 1 year | 51,314 | 45,207 | ||||||
1 - 3 years | 58,367 | 62,833 | ||||||
3 - 5 years | 88,221 | 88,556 | ||||||
Over 5 years | 34,839 | 31,457 | ||||||
Carrying Value | 8,824 | [1] | 9,156 | [1] | ||||
Credit-related notes | Derivatives as Guarantees [Member]
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Derivative [Line Items] | ||||||||
Maximum Payout/ Notional | 4,861 | 4,646 | ||||||
Less than 1 year | 107 | 119 | ||||||
1 - 3 years | 172 | 148 | ||||||
3 - 5 years | 292 | 434 | ||||||
Over 5 years | 4,290 | 3,945 | ||||||
Carrying Value | 4,861 | [1] | 4,646 | [1] | ||||
Investment grade | Credit derivatives | Derivatives as Guarantees [Member]
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Derivative [Line Items] | ||||||||
Maximum Payout/ Notional | 162,488 | [2] | 160,390 | [2] | ||||
Less than 1 year | 32,689 | [2] | 34,454 | [2] | ||||
1 - 3 years | 41,548 | [2] | 42,871 | [2] | ||||
3 - 5 years | 73,589 | [2] | 70,645 | [2] | ||||
Over 5 years | 14,662 | [2] | 12,420 | [2] | ||||
Carrying Value | 1,823 | [1],[2] | 1,855 | [1],[2] | ||||
Investment grade | Credit-related notes | Derivatives as Guarantees [Member]
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Derivative [Line Items] | ||||||||
Maximum Payout/ Notional | 3,368 | 3,201 | [2] | |||||
Less than 1 year | 4 | [2] | 4 | [2] | ||||
1 - 3 years | 17 | [2] | 7 | [2] | ||||
3 - 5 years | 30 | [2] | 163 | [2] | ||||
Over 5 years | 3,317 | [2] | 3,027 | [2] | ||||
Carrying Value | 3,368 | [1],[2] | 3,201 | [1],[2] | ||||
Non-investment grade | Credit derivatives | Derivatives as Guarantees [Member]
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Derivative [Line Items] | ||||||||
Maximum Payout/ Notional | 70,253 | [2] | 67,663 | [2] | ||||
Less than 1 year | 18,625 | [2] | 10,753 | [2] | ||||
1 - 3 years | 16,819 | [2] | 19,962 | [2] | ||||
3 - 5 years | 14,632 | [2] | 17,911 | [2] | ||||
Over 5 years | 20,177 | [2] | 19,037 | [2] | ||||
Carrying Value | 7,001 | [1],[2] | 7,301 | [1],[2] | ||||
Non-investment grade | Credit-related notes | Derivatives as Guarantees [Member]
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Derivative [Line Items] | ||||||||
Maximum Payout/ Notional | 1,493 | 1,445 | [2] | |||||
Less than 1 year | 103 | [2] | 115 | [2] | ||||
1 - 3 years | 155 | [2] | 141 | [2] | ||||
3 - 5 years | 262 | [2] | 271 | [2] | ||||
Over 5 years | 973 | [2] | 918 | [2] | ||||
Carrying Value | $ 1,493 | [1],[2] | $ 1,445 | [1],[2] | ||||
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