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Financial Instruments Derivative Activities Table (Details) (USD $) In Millions, unless otherwise specified	Mar. 31, 2014
Credit Default Swap, Selling Protection [Member]
Derivative [Line Items]
Long Notional Exposure	$ 0
Short Notional Exposure	302
Equity swaps
Derivative [Line Items]
Long Notional Exposure	1
Short Notional Exposure	10,646
Foreign currency forwards
Derivative [Line Items]
Long Notional Exposure	9
Short Notional Exposure	1,727
Interest rate swap contracts
Derivative [Line Items]
Long Notional Exposure	0
Short Notional Exposure	63
Commodity contracts
Derivative [Line Items]
Long Notional Exposure	52
Short Notional Exposure	$ 502

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- Definition

Notional Exposure of Derivatives, Short Position

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