Derivatives and Hedging Activities (Details 9) (USD $)	3 Months Ended	6 Months Ended
Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010	Dec. 31, 2010
Derivative Instruments, Gain (Loss) By Hedging Relationship [Abstract]
Gain (Loss) Recognized On Hedged Borrowings and Bank Deposits	$ (1,250,000,000)	$ (5,370,000,000)	$ 913,000,000	$ (6,470,000,000)
Foreign Currency Denominated Debt Designated As Foreign Currency Hedge	2,980,000,000		2,980,000,000		3,880,000,000
Derivative, Net Hedge Ineffectiveness Gain (Loss)	(414,000,000)	(418,000,000)	(909,000,000)	(831,000,000)
Fair Value Hedging [Member] \| Interest Rate Contract [Member]
Derivative Instruments, Gain (Loss) By Hedging Relationship [Abstract]
Derivative Instruments, Gain (Loss) Recognized in Income, Net	$ 836,000,000	$ 4,950,000,000	$ (1,820,000,000)	$ 5,640,000,000

Derivative Instruments, Gain Loss By Hedging Relationship.

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- Definition

Foreign currency denominated debt designated as foreign currency hedge included in unsecured long-term borrowings and unsecured short-term borrowings.

+ Details

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- Definition

The amount of gains and losses recognized in income during the period on borrowings and bank deposits hedged by interest rate derivative contracts designated and qualifying as hedging instruments in fair value hedges.

+ Details

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- Definition

The amount of net gains and losses recognized in income during the period on derivative instruments designated and qualifying as hedging instruments in fair value hedges and related hedged items designated and qualifying in fair value hedges, on derivative instruments designated and qualifying as hedging instruments in cash flow hedges, and on derivative instruments not designated as hedging instruments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 133
-Paragraph 205G

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 133
-Paragraph 44C
-Subparagraph b

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- Definition

The portion of a hedge deemed to be ineffective that is reflected in current period results of operations.

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