Derivatives and Hedging Activities (Details 6) (USD $) In Millions	Jun. 30, 2011	Dec. 31, 2010
Derivative, Credit Risk Related Contingent Features
Aggregate fair value of derivative contracts which are in net liability position	$ 22,240	$ 23,843
Aggregate fair value of assets as a collateral for derivative contracts	16,743	16,640
One-notch reduction [Member]
Derivative, Credit Risk Related Contingent Features
Additional collateral or termination payments pursuant to bilateral agreements with certain counterparties which could have been called by counterparties in the event of a reduction in the firm's long-term credit ratings	662	1,353
Two-notch reduction [Member]
Derivative, Credit Risk Related Contingent Features
Additional collateral or termination payments pursuant to bilateral agreements with certain counterparties which could have been called by counterparties in the event of a reduction in the firm's long-term credit ratings	$ 1,842	$ 2,781

The aggregate fair value of additional assets that would be required to be posted as collateral for derivative instruments with credit-risk-related contingent features if the credit-risk-related contingent features were triggered at the end of the reporting period.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 133
-Paragraph 44D
-Subparagraph c

+ Details

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- Definition

The aggregate fair value of assets that are already posted, at the end of the reporting period, as collateral for derivative instruments with credit-risk-related contingent features.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 133
-Paragraph 44D
-Subparagraph c

+ Details

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- Details

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- Definition

The aggregate fair value amounts of derivative instruments that contain credit-risk-related contingent features that are in a net liability position at the end of the reporting period. For nonderivative instruments that are designated and qualify as hedging instruments, the fair value amounts are the carrying value of the nonderivative hedging instrument, including the adjustment for the foreign currency transaction gain or loss on that instrument.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 133
-Paragraph 44D
-Subparagraph b

+ Details

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