Changes in fair value of MSRs.

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Rights Capitalized.

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Sensitivity analysis of fair value mortgage servicing rights and related derivative instruments impact of fifty basis points in interest rates.

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Sensitivity analysis of fair value mortgage servicing rights and related derivative instruments impact of twenty five basis points in interest rates.

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Sensitivity to the changes in interest rates of the fair value of the MSRs portfolio and the related derivative instruments.

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Servicing assets at fair value.

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The value of new servicing assets, subsequently measured at fair value, acquired or created during the current period through purchases or from transfers of financial assets.

+ References

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Fair value as of the balance sheet date of an asset representing net future revenues from contractually specified servicing fees, late charges, and other ancillary revenues, in excess of future costs related to servicing arrangements.

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The net Increase or Decrease in fair value as a result of changes in the inputs, assumptions, or model used to calculate the fair value of servicing assets.

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The net Increase or Decrease in fair value as a result of other changes that are not additions, disposals, or a result of change in the inputs, assumptions, or model used to calculate the fair value of servicing assets.

+ References

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Mortgage Servicing Rights (Details) (USD $) In Millions	3 Months Ended		9 Months Ended
Mortgage Servicing Rights (Details) (USD $) In Millions	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011 Up Scenario [Member]	Dec. 31, 2010 Up Scenario [Member]	Sep. 30, 2011 Down Scenario [Member]	Dec. 31, 2010 Down Scenario [Member]
Changes in fair value of capitalized MSRs
Balance at beginning of period	$ 1,989	$ 1,543	$ 1,837	$ 1,749
Rights purchased	5	10	16	48
Rights Capitalized	101	149	416	398
Changes in fair value of MSRs
Due to change in valuation assumptions	(532)	(186)	(542)	(536)
Other changes in fair value	(97)	(94)	(261)	(237)
Balance at end of period	1,466	1,422	1,466	1,422
Sensitivity to the changes in interest rates of the fair value of the MSRs portfolio and the related derivative instruments
Net fair value 50 basis points					14	1	24	6
Net fair value 25 basis points					$ 2	$ 5	$ 8	$ (5)