$WFC
WELLS FARGO & COMPANY/MN Stock $wfc

$wfc Overview Financials Valuation SEC Filings Company Website

2010 Q4 Form 10-K Financial Statement

#000095012311018541 Filed on February 25, 2011

Income Statement

Concept	2010 Q4	2009 Q4	2008 Q4
Revenue
YoY Change
Cost Of Revenue
YoY Change
Gross Profit
YoY Change
Gross Profit Margin
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$422.0M	$404.0M	$515.0M
YoY Change	4.46%	-21.55%	31.71%
% of Gross Profit
Operating Expenses
YoY Change
Operating Profit
YoY Change
Interest Expense
YoY Change
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	$5.165B	$3.962B	-$4.777B
YoY Change	30.36%	-182.94%	-382.16%
Income Tax	$1.672B	$949.0M	-$2.036B
% Of Pretax Income	32.37%	23.95%
Net Earnings	$3.414B	$2.823B	-$2.734B
YoY Change	20.94%	-203.26%	-300.88%
Net Earnings / Revenue
Basic Earnings Per Share
Diluted Earnings Per Share	$644.9K	$588.6K	-$763.3K
COMMON SHARES
Basic Shares Outstanding	5.268B shares	4.685B shares
Diluted Shares Outstanding

Balance Sheet

Concept	2010 Q4	2009 Q4	2008 Q4
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents
Short-Term Investments
Other Short-Term Assets
YoY Change
Inventory
Prepaid Expenses
Receivables
Other Receivables
Total Short-Term Assets
YoY Change
LONG-TERM ASSETS
Property, Plant & Equipment	$9.644B	$10.74B	$11.27B
YoY Change	-10.17%	-4.73%	120.01%
Goodwill	$24.77B	$24.81B	$22.63B
YoY Change	-0.17%	9.66%
Intangibles
YoY Change
Long-Term Investments	$7.624B	$5.138B	$16.78B
YoY Change	48.38%	-69.38%	142.16%
Other Assets	$0.00	$3.212B
YoY Change	-100.0%
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets	$1258B	$1244B	$1310B
YoY Change	1.16%	-5.04%	127.59%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable
YoY Change
Accrued Expenses	$69.91B	$62.44B	$50.69B
YoY Change	11.96%	23.19%	65.08%
Deferred Revenue
YoY Change
Short-Term Debt	$55.40B	$38.97B	$108.1B
YoY Change	42.18%	-63.95%	102.94%
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$69.91B	$62.44B	$50.69B
YoY Change	11.96%	23.19%	65.08%
LONG-TERM LIABILITIES
Long-Term Debt	$157.0B	$203.9B	$267.2B
YoY Change	-23.0%	-23.69%	168.79%
Other Long-Term Liabilities
YoY Change
Total Long-Term Liabilities	$157.0B	$203.9B	$267.2B
YoY Change	-23.0%	-23.69%	168.79%
TOTAL LIABILITIES
Total Short-Term Liabilities	$69.91B	$62.44B	$50.69B
Total Long-Term Liabilities	$157.0B	$203.9B	$267.2B
Total Liabilities	$1130B	$1129B	$1207B
YoY Change	0.08%	-6.46%	128.74%
SHAREHOLDERS EQUITY
Retained Earnings	$51.92B	$41.56B	$36.54B
YoY Change	24.91%	13.74%
Common Stock	$8.787B	$8.743B	$7.273B
YoY Change	0.5%	20.21%
Preferred Stock	$45.00M	$28.00M
YoY Change	60.71%
Treasury Stock (at cost)	$487.0M	$2.450B	$4.666B
YoY Change	-80.12%	-47.49%
Treasury Stock Shares	10.13M shares	67.35M shares	135.3M shares
Shareholders Equity	$126.4B	$111.8B	$99.08B
YoY Change
Total Liabilities & Shareholders Equity	$1258B	$1244B	$1310B
YoY Change	1.16%	-5.04%	127.59%

Cashflow Statement

Concept	2010 Q4	2009 Q4	2008 Q4
OPERATING ACTIVITIES
Net Income	$3.414B	$2.823B	-$2.734B
YoY Change	20.94%	-203.26%	-300.88%
Depreciation, Depletion And Amortization	$422.0M	$404.0M	$515.0M
YoY Change	4.46%	-21.55%	31.71%
Cash From Operating Activities	-$4.028B	$3.363B	-$16.99B
YoY Change	-219.77%	-119.8%	-301.43%
INVESTING ACTIVITIES
Capital Expenditures
YoY Change
Acquisitions
YoY Change
Other Investing Activities	-$29.21B	-$3.369B	$39.45B
YoY Change	767.05%	-108.54%	-289.73%
Cash From Investing Activities	-$29.21B	-$3.369B	$39.45B
YoY Change	767.05%	-108.54%	-289.73%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	33.28B	9.853B	-11.56B
YoY Change	237.79%	-185.25%	-177.49%
NET CHANGE
Cash From Operating Activities	-4.028B	3.363B	-16.99B
Cash From Investing Activities	-29.21B	-3.369B	39.45B
Cash From Financing Activities	33.28B	9.853B	-11.56B
Net Change In Cash	43.00M	9.847B	10.90B
YoY Change	-99.56%	-9.68%	326.36%
FREE CASH FLOW
Cash From Operating Activities	-$4.028B	$3.363B	-$16.99B
Capital Expenditures
Free Cash Flow
YoY Change

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
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CY2010Q4	wfc	Employee Stock Ownership Plan Preferred Stock Carrying Value EmployeeStockOwnershipPlanPreferredStockCarryingValue	618000000	usd
CY2009Q4	wfc	Fair Value Assets Measured On Nonrecurring Basis Loans Held For Sale FairValueAssetsMeasuredOnNonrecurringBasisLoansHeldForSale	444000000	usd
CY2010Q4	wfc	Fair Value Assets Measured On Nonrecurring Basis Loans Held For Sale FairValueAssetsMeasuredOnNonrecurringBasisLoansHeldForSale	352000000	usd
CY2009Q4	wfc	Fair Value Assets Measured On Nonrecurring Basis Loans Receivable FairValueAssetsMeasuredOnNonrecurringBasisLoansReceivable	6311000000	usd
CY2010Q4	wfc	Fair Value Assets Measured On Nonrecurring Basis Loans Receivable FairValueAssetsMeasuredOnNonrecurringBasisLoansReceivable	8435000000	usd
CY2008	wfc	Net Gains Losses From Equity Investments NetGainsLossesFromEquityInvestments	-757000000	usd
CY2010	wfc	Net Gains Losses From Equity Investments NetGainsLossesFromEquityInvestments	779000000	usd
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CY2009Q4	us-gaap	Liabilities Liabilities	1129287000000	usd
CY2010Q4	us-gaap	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	5066000000	usd
CY2007Q4	us-gaap	Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Net Of Tax AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax	435000000	usd
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CY2009Q4	us-gaap	Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Net Of Tax AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax	650000000	usd
CY2010Q4	us-gaap	Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Net Of Tax AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax	739000000	usd
CY2007Q4	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	-160000000	usd
CY2008Q4	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	-1522000000	usd
CY2009Q4	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	-1249000000	usd
CY2010	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	20100000000	usd
CY2008	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	186000000	usd
CY2010Q4	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	-1179000000	usd
CY2007Q4	us-gaap	Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax	52000000	usd
CY2008Q4	us-gaap	Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax	-6000000	usd
CY2009Q4	us-gaap	Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax	67000000	usd
CY2010Q4	us-gaap	Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax	112000000	usd
CY2007Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	725000000	usd
CY2008Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-6869000000	usd
CY2009Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	3009000000	usd
CY2010Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	4738000000	usd
CY2010	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2010	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2010
CY2010	dei	Document Period End Date DocumentPeriodEndDate	2010-12-31
CY2010	dei	Document Type DocumentType	10-K
CY2010	dei	Entity Central Index Key EntityCentralIndexKey	0000072971
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CY2010	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2007	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	4449000000	usd
CY2008	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	8777000000	usd
CY2009	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	19825000000	usd
CY2010	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2010Q2	dei	Entity Public Float EntityPublicFloat	132900000000	usd
CY2010	dei	Entity Registrant Name EntityRegistrantName	WELLS FARGO & CO/MN
CY2010	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2010	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
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CY2010Q4	us-gaap	Accounts Payable And Accrued Liabilities Current And Noncurrent AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent	69913000000	usd
CY2009Q4	us-gaap	Accounts Receivable Net AccountsReceivableNet	20565000000	usd
CY2010Q4	us-gaap	Accounts Receivable Net AccountsReceivableNet	23763000000	usd
CY2009Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	7312000000	usd
CY2010Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	8141000000	usd
CY2007Q4	us-gaap	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	398000000	usd
CY2008Q4	us-gaap	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-6212000000	usd
CY2009Q4	us-gaap	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	3541000000	usd
CY2009Q4	us-gaap	Additional Collateral Aggregate Fair Value AdditionalCollateralAggregateFairValue	1000000000	usd
CY2010Q4	us-gaap	Additional Collateral Aggregate Fair Value AdditionalCollateralAggregateFairValue	1000000000	usd
CY2009Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	52878000000	usd
CY2010Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	53426000000	usd
CY2009Q4	us-gaap	Additional Paid In Capital Preferred Stock AdditionalPaidInCapitalPreferredStock	28000000	usd
CY2010Q4	us-gaap	Additional Paid In Capital Preferred Stock AdditionalPaidInCapitalPreferredStock	45000000	usd
CY2008	us-gaap	Adjustments To Additional Paid In Capital Warrant Issued AdjustmentsToAdditionalPaidInCapitalWarrantIssued	2326000000	usd
CY2010	us-gaap	Adjustments To Additional Paid In Capital Warrant Issued AdjustmentsToAdditionalPaidInCapitalWarrantIssued	-545000000	usd
CY2006	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	3179000000	usd
CY2010	dei	Amendment Flag AmendmentFlag	false
CY2010	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2009	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	2577000000	usd
CY2010	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	2199000000	usd
CY2008	us-gaap	Amortization Of Mortgage Servicing Rights Ms Rs AmortizationOfMortgageServicingRightsMSRs	75000000	usd
CY2009	us-gaap	Amortization Of Mortgage Servicing Rights Ms Rs AmortizationOfMortgageServicingRightsMSRs	264000000	usd
CY2010	us-gaap	Amortization Of Mortgage Servicing Rights Ms Rs AmortizationOfMortgageServicingRightsMSRs	228000000	usd
CY2008	us-gaap	Ancillary Fee Income Generated By Servicing Financial Assets Amount AncillaryFeeIncomeGeneratedByServicingFinancialAssetsAmount	148000000	usd
CY2009	us-gaap	Ancillary Fee Income Generated By Servicing Financial Assets Amount AncillaryFeeIncomeGeneratedByServicingFinancialAssetsAmount	287000000	usd
CY2010	us-gaap	Ancillary Fee Income Generated By Servicing Financial Assets Amount AncillaryFeeIncomeGeneratedByServicingFinancialAssetsAmount	434000000	usd
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CY2010Q4	us-gaap	Available For Sale Securities AvailableForSaleSecurities	172654000000	usd
CY2009Q4	us-gaap	Available For Sale Securities Amortized Cost AvailableForSaleSecuritiesAmortizedCost	167063000000	usd
CY2010Q4	us-gaap	Available For Sale Securities Amortized Cost AvailableForSaleSecuritiesAmortizedCost	164329000000	usd
CY2009Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue	28577000000	usd
CY2010Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue	34661000000	usd
CY2009Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	7917000000	usd
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CY2009Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	20660000000	usd
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CY2009Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	9463000000	usd
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CY2009Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	13799000000	usd
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CY2009Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	140404000000	usd
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CY2009Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	3452000000	usd
CY2010Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	2469000000	usd
CY2009Q4	us-gaap	Available For Sale Securities Fair Value Disclosure AvailableForSaleSecuritiesFairValueDisclosure	172710000000	usd
CY2010Q4	us-gaap	Available For Sale Securities Fair Value Disclosure AvailableForSaleSecuritiesFairValueDisclosure	172654000000	usd
CY2008	us-gaap	Available For Sale Securities Gross Realized Gain Loss Net AvailableForSaleSecuritiesGrossRealizedGainLossNet	29000000	usd
CY2009	us-gaap	Available For Sale Securities Gross Realized Gain Loss Net AvailableForSaleSecuritiesGrossRealizedGainLossNet	347000000	usd
CY2010	us-gaap	Available For Sale Securities Gross Realized Gain Loss Net AvailableForSaleSecuritiesGrossRealizedGainLossNet	-79000000	usd
CY2008	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	1920000000	usd
CY2009	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	1601000000	usd
CY2010	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	645000000	usd
CY2008	us-gaap	Available For Sale Securities Gross Realized Losses AvailableForSaleSecuritiesGrossRealizedLosses	101000000	usd
CY2009	us-gaap	Available For Sale Securities Gross Realized Losses AvailableForSaleSecuritiesGrossRealizedLosses	160000000	usd
CY2010	us-gaap	Available For Sale Securities Gross Realized Losses AvailableForSaleSecuritiesGrossRealizedLosses	32000000	usd
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CY2009Q4	us-gaap	Business Acquisition Purchase Price Allocation Assets Acquired BusinessAcquisitionPurchasePriceAllocationAssetsAcquired	113000000	usd
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CY2010Q4	us-gaap	Cash And Due From Banks CashAndDueFromBanks	16044000000	usd
CY2009	us-gaap	Cash Flow Hedge Gain Loss Reclassified To Revenue Net CashFlowHedgeGainLossReclassifiedToRevenueNet	531000000	usd
CY2010	us-gaap	Cash Flow Hedge Gain Loss Reclassified To Revenue Net CashFlowHedgeGainLossReclassifiedToRevenueNet	613000000	usd
CY2009	us-gaap	Cash Flow Hedge Gain Loss To Be Reclassified Within Twelve Months CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths	284000000	usd
CY2010	us-gaap	Cash Flow Hedge Gain Loss To Be Reclassified Within Twelve Months CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths	367000000	usd
CY2008Q4	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYield	10447000000	usd
CY2009Q4	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYield	14559000000	usd
CY2010Q4	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYield	16714000000	usd
CY2009	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Accretion CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAccretion	2606000000	usd
CY2010	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Accretion CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAccretion	2435000000	usd
CY2009	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Reclassifications From Nonaccretable Difference CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldReclassificationsFromNonaccretableDifference	441000000	usd
CY2010	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Reclassifications From Nonaccretable Difference CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldReclassificationsFromNonaccretableDifference	3399000000	usd
CY2008Q4	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Allowance For Loan Losses CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAllowanceForLoanLosses	0	usd
CY2009Q4	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Allowance For Loan Losses CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAllowanceForLoanLosses	333000000	usd
CY2010Q4	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Allowance For Loan Losses CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAllowanceForLoanLosses	298000000	usd
CY2008Q4	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Outstanding Balance CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesOutstandingBalance	98182000000	usd
CY2009Q4	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Outstanding Balance CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesOutstandingBalance	83615000000	usd
CY2010Q4	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Outstanding Balance CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesOutstandingBalance	64331000000	usd
CY2010Q4	us-gaap	Class Of Warrant Or Right Exercise Price Of Warrants Or Rights ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights	34.01	usd
CY2010Q4	us-gaap	Class Of Warrant Or Right Number Of Securities Called By Warrants Or Rights ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights	39444481	shares
CY2009Q4	us-gaap	Collateral Already Posted Aggregate Fair Value CollateralAlreadyPostedAggregateFairValue	7100000000	usd
CY2010Q4	us-gaap	Collateral Already Posted Aggregate Fair Value CollateralAlreadyPostedAggregateFairValue	12000000000	usd
CY2010Q4	us-gaap	Common Stock Capital Shares Reserved For Future Issuance CommonStockCapitalSharesReservedForFutureIssuance	782135073	shares
CY2008	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.30
CY2009	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.49
CY2010	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.20
CY2010Q4	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.05
CY2009Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	1.67
CY2010Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	1.67
CY2009Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	9000000000	shares
CY2010Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	9000000000	shares
CY2009Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	5245971422	shares
CY2010Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	5272414622	shares
CY2009Q4	us-gaap	Common Stock Value CommonStockValue	8743000000	usd
CY2010Q4	us-gaap	Common Stock Value CommonStockValue	8787000000	usd
CY2008	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-4896000000	usd
CY2009	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	22596000000	usd
CY2010	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	14417000000	usd
CY2008	us-gaap	Contractually Specified Servicing Fees Amount ContractuallySpecifiedServicingFeesAmount	3904000000	usd
CY2009	us-gaap	Contractually Specified Servicing Fees Amount ContractuallySpecifiedServicingFeesAmount	4473000000	usd
CY2010	us-gaap	Contractually Specified Servicing Fees Amount ContractuallySpecifiedServicingFeesAmount	4566000000	usd
CY2010Q4	us-gaap	Contractual Maturities Time Deposits100000 Or More After12 Months ContractualMaturitiesTimeDeposits100000OrMoreAfter12Months	19097000000	usd
CY2010Q4	us-gaap	Contractual Maturities Time Deposits100000 Or More Six Months Through12 Months ContractualMaturitiesTimeDeposits100000OrMoreSixMonthsThrough12Months	8086000000	usd
CY2010Q4	us-gaap	Contractual Maturities Time Deposits100000 Or More Three Months Or Less ContractualMaturitiesTimeDeposits100000OrMoreThreeMonthsOrLess	5320000000	usd
CY2010Q4	us-gaap	Contractual Maturities Time Deposits100000 Or More Three Months Through Six Months ContractualMaturitiesTimeDeposits100000OrMoreThreeMonthsThroughSixMonths	1358000000	usd
CY2009Q4	us-gaap	Cost Method Investments CostMethodInvestments	9793000000	usd
CY2010Q4	us-gaap	Cost Method Investments CostMethodInvestments	8494000000	usd
CY2009Q4	us-gaap	Credit Derivative Current Fair Value CreditDerivativeCurrentFairValue	9592000000	usd
CY2010Q4	us-gaap	Credit Derivative Current Fair Value CreditDerivativeCurrentFairValue	5826000000	usd
CY2009Q4	us-gaap	Credit Derivative Maximum Exposure Undiscounted CreditDerivativeMaximumExposureUndiscounted	84541000000	usd
CY2010Q4	us-gaap	Credit Derivative Maximum Exposure Undiscounted CreditDerivativeMaximumExposureUndiscounted	47699000000	usd
CY2009Q4	us-gaap	Credit Derivative Purchased Credit Protection CreditDerivativePurchasedCreditProtection	59260000000	usd
CY2010	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	548000000	usd
CY2008	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-1506000000	usd
CY2009	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	8709000000	usd
CY2010	us-gaap	Credit Derivative Purchased Credit Protection CreditDerivativePurchasedCreditProtection	26495000000	usd
CY2008	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	2043000000	usd
CY2009	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	-3952000000	usd
CY2010	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	1425000000	usd
CY2008	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	30000000	usd
CY2009	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	164000000	usd
CY2010	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	78000000	usd
CY2008	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	2244000000	usd
CY2009	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	-4122000000	usd
CY2010	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	2051000000	usd
CY2008	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	171000000	usd
CY2009	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	-334000000	usd
CY2010	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	4060000000	usd
CY2008	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-136000000	usd
CY2009	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-50000000	usd
CY2010	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	16000000	usd
CY2008	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-1642000000	usd
CY2009	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	9453000000	usd
CY2010	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	4287000000	usd
CY2008	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	0	usd
CY2009	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	794000000	usd
CY2010	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	211000000	usd
CY2009Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	28368000000	usd
CY2010Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	24555000000	usd
CY2009Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	3212000000	usd
CY2010Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	-2480000000	usd
CY2010Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	1400000000	usd
CY2009Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	1706000000	usd
CY2010Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	1891000000	usd
CY2009Q4	us-gaap	Deferred Tax Assets Other Comprehensive Loss DeferredTaxAssetsOtherComprehensiveLoss	0	usd
CY2010Q4	us-gaap	Deferred Tax Assets Other Comprehensive Loss DeferredTaxAssetsOtherComprehensiveLoss	0	usd
CY2010Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	128000000	usd
CY2009Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits	3026000000	usd
CY2010Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits	3473000000	usd
CY2009Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities	2235000000	usd
CY2010Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities	1989000000	usd
CY2009Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Provision For Loan Losses DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses	9178000000	usd
CY2010Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Provision For Loan Losses DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses	8157000000	usd
CY2009Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	827000000	usd
CY2010Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	711000000	usd
CY2009Q4	us-gaap	Deferred Tax Liabilities Leasing Arrangements DeferredTaxLiabilitiesLeasingArrangements	3439000000	usd
CY2010Q4	us-gaap	Deferred Tax Liabilities Leasing Arrangements DeferredTaxLiabilitiesLeasingArrangements	3703000000	usd
CY2009Q4	us-gaap	Deferred Tax Liabilities Mortgage Servicing Rights DeferredTaxLiabilitiesMortgageServicingRights	8073000000	usd
CY2010Q4	us-gaap	Deferred Tax Liabilities Mortgage Servicing Rights DeferredTaxLiabilitiesMortgageServicingRights	8020000000	usd
CY2009Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	24329000000	usd
CY2010Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	26324000000	usd
CY2009Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	5567000000	usd
CY2010Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	3322000000	usd
CY2009Q4	us-gaap	Deferred Tax Liabilities Investment In Noncontrolled Affiliates DeferredTaxLiabilitiesInvestmentInNoncontrolledAffiliates	0	usd
CY2010Q4	us-gaap	Deferred Tax Liabilities Investment In Noncontrolled Affiliates DeferredTaxLiabilitiesInvestmentInNoncontrolledAffiliates	0	usd
CY2009Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	318000000	usd
CY2010Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	2875000000	usd
CY2009Q4	us-gaap	Deferred Tax Liabilities Other Comprehensive Income DeferredTaxLiabilitiesOtherComprehensiveIncome	2079000000	usd
CY2010Q4	us-gaap	Deferred Tax Liabilities Other Comprehensive Income DeferredTaxLiabilitiesOtherComprehensiveIncome	3243000000	usd
CY2010Q4	us-gaap	Deferred Tax Liability Not Recognized Cumulative Amount Of Temporary Difference DeferredTaxLiabilityNotRecognizedCumulativeAmountOfTemporaryDifference	2400000000	usd
CY2009Q4	us-gaap	Defined Benefit Plan Accumulated Benefit Obligation DefinedBenefitPlanAccumulatedBenefitObligation	10700000000	usd
CY2010Q4	us-gaap	Defined Benefit Plan Accumulated Benefit Obligation DefinedBenefitPlanAccumulatedBenefitObligation	11000000000	usd
CY2008	us-gaap	Defined Benefit Plan Alternative Method Used To Amortize Net Gains And Losses DefinedBenefitPlanAlternativeMethodUsedToAmortizeNetGainsAndLosses	We generally amortize net actuarial gains and losses in excess of a 5% corridor from accumulated OCI into net periodic pension cost over the next 13 years.
	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Discount Rate DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate	0.0675	pure
CY2009	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Discount Rate DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate	0.0575	pure
CY2010	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Discount Rate DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate	0.0525	pure
CY2010	us-gaap	Defined Benefit Plan Effect Of One Percentage Point Decrease On Accumulated Postretirement Benefit Obligation DefinedBenefitPlanEffectOfOnePercentagePointDecreaseOnAccumulatedPostretirementBenefitObligation	71000000	usd
CY2010	us-gaap	Defined Benefit Plan Effect Of One Percentage Point Decrease On Service And Interest Cost Components DefinedBenefitPlanEffectOfOnePercentagePointDecreaseOnServiceAndInterestCostComponents	4000000	usd
CY2010	us-gaap	Defined Benefit Plan Effect Of One Percentage Point Increase On Accumulated Postretirement Benefit Obligation DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnAccumulatedPostretirementBenefitObligation	80000000	usd
CY2010	us-gaap	Defined Benefit Plan Effect Of One Percentage Point Increase On Service And Interest Cost Components DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnServiceAndInterestCostComponents	5000000	usd
CY2009Q4	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Accumulated Benefit Obligation DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation	10706000000	usd
CY2010Q4	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Accumulated Benefit Obligation DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation	11019000000	usd
CY2009Q4	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Fair Value Of Plan Assets DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets	9112000000	usd
CY2010Q4	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Fair Value Of Plan Assets DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets	9639000000	usd
CY2009Q4	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Projected Benefit Obligation DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation	10719000000	usd
CY2010Q4	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Projected Benefit Obligation DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation	11030000000	usd
CY2008	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	411000000	usd
CY2009	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	862000000	usd
CY2010	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	1092000000	usd
CY2009Q4	us-gaap	Deposit Liabilities Reclassified As Loans Receivable DepositLiabilitiesReclassifiedAsLoansReceivable	667000000	usd
CY2010Q4	us-gaap	Deposit Liabilities Reclassified As Loans Receivable DepositLiabilitiesReclassifiedAsLoansReceivable	557000000	usd
CY2009Q4	us-gaap	Deposits Deposits	824018000000	usd
CY2010Q4	us-gaap	Deposits Deposits	847942000000	usd
CY2008	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	1669000000	usd
CY2009	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	2841000000	usd
CY2010	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	1924000000	usd
CY2008	us-gaap	Depreciation And Amortization DepreciationAndAmortization	861000000	usd
CY2009	us-gaap	Depreciation And Amortization DepreciationAndAmortization	1300000000	usd
CY2010	us-gaap	Depreciation And Amortization DepreciationAndAmortization	1500000000	usd
CY2009Q4	us-gaap	Derivative Assets DerivativeAssets	23563000000	usd
CY2010Q4	us-gaap	Derivative Assets DerivativeAssets	21889000000	usd
CY2009Q4	us-gaap	Derivative Fair Value Of Derivative Asset Amount Offset Against Collateral DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral	5300000000	usd
CY2010Q4	us-gaap	Derivative Fair Value Of Derivative Asset Amount Offset Against Collateral DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral	5500000000	usd
CY2009Q4	us-gaap	Derivative Fair Value Of Derivative Liability Amount Offset Against Collateral DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral	14100000000	usd
CY2010Q4	us-gaap	Derivative Fair Value Of Derivative Liability Amount Offset Against Collateral DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral	12100000000	usd
CY2009	us-gaap	Derivative Instruments Not Designated As Hedging Instruments Gain Loss Net DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet	8158000000	usd
CY2010	us-gaap	Derivative Instruments Not Designated As Hedging Instruments Gain Loss Net DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet	5418000000	usd
CY2009Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	9625000000	usd
CY2010Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	10884000000	usd
CY2009	us-gaap	Derivative Net Hedge Ineffectiveness Gain Loss DerivativeNetHedgeIneffectivenessGainLoss	-134000000	usd
CY2010	us-gaap	Derivative Net Hedge Ineffectiveness Gain Loss DerivativeNetHedgeIneffectivenessGainLoss	109000000	usd
CY2009Q4	us-gaap	Derivative Net Liability Position Aggregate Fair Value DerivativeNetLiabilityPositionAggregateFairValue	7500000000	usd
CY2010Q4	us-gaap	Derivative Net Liability Position Aggregate Fair Value DerivativeNetLiabilityPositionAggregateFairValue	12600000000	usd
CY2008	us-gaap	Dividends Common Stock DividendsCommonStock	4312000000	usd
CY2009	us-gaap	Dividends Common Stock DividendsCommonStock	2125000000	usd
CY2010	us-gaap	Dividends Common Stock DividendsCommonStock	1045000000	usd
CY2010	us-gaap	Dividends Preferred Stock Cash DividendsPreferredStockCash	737000000	usd
CY2009Q4	us-gaap	Due From Customer Acceptances DueFromCustomerAcceptances	810000000	usd
CY2010Q4	us-gaap	Due From Customer Acceptances DueFromCustomerAcceptances	229000000	usd
CY2008	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.70
CY2009	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.76
CY2010	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.23
CY2008	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.70
CY2009	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.75
CY2010	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.21
CY2008	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.185	pure
CY2009	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.303	pure
CY2010	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.339	pure
CY2008	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.350	pure
CY2009	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.350	pure
CY2010	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.350	pure
CY2008	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Leases EffectiveIncomeTaxRateReconciliationNondeductibleExpenseLeases	0	pure
CY2009	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Leases EffectiveIncomeTaxRateReconciliationNondeductibleExpenseLeases	0.023	pure
CY2010	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Leases EffectiveIncomeTaxRateReconciliationNondeductibleExpenseLeases	0.025	pure
CY2008	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Life Insurance EffectiveIncomeTaxRateReconciliationNondeductibleExpenseLifeInsurance	-0.020	pure
CY2009	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Life Insurance EffectiveIncomeTaxRateReconciliationNondeductibleExpenseLifeInsurance	-0.015	pure
CY2010	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Life Insurance EffectiveIncomeTaxRateReconciliationNondeductibleExpenseLifeInsurance	-0.012	pure
CY2008	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.027	pure
CY2009	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.021	pure
CY2010	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.006	pure
CY2008	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.029	pure
CY2009	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.027	pure
CY2010	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.031	pure
CY2008	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits EffectiveIncomeTaxRateReconciliationTaxCredits	-0.082	pure
CY2009	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits EffectiveIncomeTaxRateReconciliationTaxCredits	-0.030	pure
CY2010	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits EffectiveIncomeTaxRateReconciliationTaxCredits	-0.031	pure
CY2008	us-gaap	Effective Income Tax Rate Reconciliation Tax Exempt Income EffectiveIncomeTaxRateReconciliationTaxExemptIncome	-0.040	pure
CY2009	us-gaap	Effective Income Tax Rate Reconciliation Tax Exempt Income EffectiveIncomeTaxRateReconciliationTaxExemptIncome	-0.015	pure
CY2010	us-gaap	Effective Income Tax Rate Reconciliation Tax Exempt Income EffectiveIncomeTaxRateReconciliationTaxExemptIncome	-0.015	pure
CY2007	us-gaap	Effect On Retained Earnings Accumulated Deficit Due To Change In Measurement Date Net Of Tax EffectOnRetainedEarningsAccumulatedDeficitDueToChangeInMeasurementDateNetOfTax	8000000	usd
CY2008	us-gaap	Employee Service Share Based Compensation Cash Received From Exercise Of Stock Options EmployeeServiceShareBasedCompensationCashReceivedFromExerciseOfStockOptions	747000000	usd
CY2009	us-gaap	Employee Service Share Based Compensation Cash Received From Exercise Of Stock Options EmployeeServiceShareBasedCompensationCashReceivedFromExerciseOfStockOptions	153000000	usd
CY2010	us-gaap	Employee Service Share Based Compensation Cash Received From Exercise Of Stock Options EmployeeServiceShareBasedCompensationCashReceivedFromExerciseOfStockOptions	687000000	usd
CY2008	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	65000000	usd
CY2009	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	92000000	usd
CY2010	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	165000000	usd
CY2008	us-gaap	Employee Service Share Based Compensation Tax Benefit Realized From Exercise Of Stock Options EmployeeServiceShareBasedCompensationTaxBenefitRealizedFromExerciseOfStockOptions	123000000	usd
CY2009	us-gaap	Employee Service Share Based Compensation Tax Benefit Realized From Exercise Of Stock Options EmployeeServiceShareBasedCompensationTaxBenefitRealizedFromExerciseOfStockOptions	18000000	usd
CY2010	us-gaap	Employee Service Share Based Compensation Tax Benefit Realized From Exercise Of Stock Options EmployeeServiceShareBasedCompensationTaxBenefitRealizedFromExerciseOfStockOptions	97000000	usd
CY2009Q4	us-gaap	Employee Stock Ownership Plan Esop Shares In Esop EmployeeStockOwnershipPlanESOPSharesInESOP	414019	shares
CY2010Q4	us-gaap	Employee Stock Ownership Plan Esop Shares In Esop EmployeeStockOwnershipPlanESOPSharesInESOP	618382	shares
CY2008	us-gaap	Equipment Expense EquipmentExpense	1357000000	usd
CY2009	us-gaap	Equipment Expense EquipmentExpense	2506000000	usd
CY2010	us-gaap	Equipment Expense EquipmentExpense	2636000000	usd
CY2009Q4	us-gaap	Equity Method Investments EquityMethodInvestments	5138000000	usd
CY2010Q4	us-gaap	Equity Method Investments EquityMethodInvestments	7624000000	usd
CY2008	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	121000000	usd
CY2009	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	18000000	usd
CY2010	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	98000000	usd
CY2008	us-gaap	Excess Tax Benefit From Share Based Compensation Operating Activities ExcessTaxBenefitFromShareBasedCompensationOperatingActivities	121000000	usd
CY2009	us-gaap	Excess Tax Benefit From Share Based Compensation Operating Activities ExcessTaxBenefitFromShareBasedCompensationOperatingActivities	18000000	usd
CY2010	us-gaap	Excess Tax Benefit From Share Based Compensation Operating Activities ExcessTaxBenefitFromShareBasedCompensationOperatingActivities	98000000	usd
CY2009Q4	us-gaap	Fair Value Assets Measured On Recurring Basis Derivative Financial Instruments Assets FairValueAssetsMeasuredOnRecurringBasisDerivativeFinancialInstrumentsAssets	17845000000	usd
CY2010Q4	us-gaap	Fair Value Assets Measured On Recurring Basis Derivative Financial Instruments Assets FairValueAssetsMeasuredOnRecurringBasisDerivativeFinancialInstrumentsAssets	21889000000	usd
CY2010Q4	us-gaap	Fair Value Assets Measured On Recurring Basis Loans Receivable FairValueAssetsMeasuredOnRecurringBasisLoansReceivable	309000000	usd
CY2009Q4	us-gaap	Fair Value Assets Measured On Recurring Basis Servicing Rights FairValueAssetsMeasuredOnRecurringBasisServicingRights	16004000000	usd
CY2010Q4	us-gaap	Fair Value Assets Measured On Recurring Basis Servicing Rights FairValueAssetsMeasuredOnRecurringBasisServicingRights	14467000000	usd
CY2009Q4	us-gaap	Fair Value Assets Measured On Recurring Basis Trading Account Assets FairValueAssetsMeasuredOnRecurringBasisTradingAccountAssets	25194000000	usd
CY2010Q4	us-gaap	Fair Value Assets Measured On Recurring Basis Trading Account Assets FairValueAssetsMeasuredOnRecurringBasisTradingAccountAssets	34990000000	usd
CY2010Q4	us-gaap	Fair Value Liabilities Measured On Recurring Basis Derivative Financial Instruments Liabilities FairValueLiabilitiesMeasuredOnRecurringBasisDerivativeFinancialInstrumentsLiabilities	10884000000	usd
CY2010Q4	us-gaap	Fair Value Liabilities Measured On Recurring Basis Securities Sold Not Yet Purchased FairValueLiabilitiesMeasuredOnRecurringBasisSecuritiesSoldNotYetPurchased	9980000000	usd
CY2009Q4	us-gaap	Fair Value Of Securities Received As Collateral That Can Be Resold Or Repledged FairValueOfSecuritiesReceivedAsCollateralThatCanBeResoldOrRepledged	9663000000	usd
CY2010Q4	us-gaap	Fair Value Of Securities Received As Collateral That Can Be Resold Or Repledged FairValueOfSecuritiesReceivedAsCollateralThatCanBeResoldOrRepledged	22495000000	usd
CY2009Q4	us-gaap	Fair Value Of Securities Received As Collateral That Have Been Resold Or Repledged FairValueOfSecuritiesReceivedAsCollateralThatHaveBeenResoldOrRepledged	7952000000	usd
CY2010Q4	us-gaap	Fair Value Of Securities Received As Collateral That Have Been Resold Or Repledged FairValueOfSecuritiesReceivedAsCollateralThatHaveBeenResoldOrRepledged	14624000000	usd
CY2010Q4	us-gaap	Fair Value Option Aggregate Differences Long Term Debt Instruments FairValueOptionAggregateDifferencesLongTermDebtInstruments	47000000	usd
CY2009	us-gaap	Fair Value Option Credit Risk Gains Losses On Assets FairValueOptionCreditRiskGainsLossesOnAssets	-214000000	usd
CY2010	us-gaap	Fair Value Option Credit Risk Gains Losses On Assets FairValueOptionCreditRiskGainsLossesOnAssets	-4000000	usd
CY2009Q4	us-gaap	Federal Funds Sold And Securities Purchased Under Agreements To Resell FederalFundsSoldAndSecuritiesPurchasedUnderAgreementsToResell	8042000000	usd
CY2010Q4	us-gaap	Federal Funds Sold And Securities Purchased Under Agreements To Resell FederalFundsSoldAndSecuritiesPurchasedUnderAgreementsToResell	24880000000	usd
CY2008	us-gaap	Fees And Commissions Fiduciary And Trust Activities FeesAndCommissionsFiduciaryAndTrustActivities	2924000000	usd
CY2009	us-gaap	Fees And Commissions Fiduciary And Trust Activities FeesAndCommissionsFiduciaryAndTrustActivities	9735000000	usd
CY2010	us-gaap	Fees And Commissions Fiduciary And Trust Activities FeesAndCommissionsFiduciaryAndTrustActivities	10934000000	usd
CY2008	us-gaap	Fees And Commissions Other FeesAndCommissionsOther	2097000000	usd
CY2009	us-gaap	Fees And Commissions Other FeesAndCommissionsOther	3804000000	usd
CY2010	us-gaap	Fees And Commissions Other FeesAndCommissionsOther	3990000000	usd
CY2009Q4	us-gaap	Financial Instruments Owned And Pledged As Collateral Amount Eligible To Be Repledged By Counterparty FinancialInstrumentsOwnedAndPledgedAsCollateralAmountEligibleToBeRepledgedByCounterparty	0	usd
CY2010Q4	us-gaap	Financial Instruments Owned And Pledged As Collateral Amount Eligible To Be Repledged By Counterparty FinancialInstrumentsOwnedAndPledgedAsCollateralAmountEligibleToBeRepledgedByCounterparty	0	usd
CY2009Q4	us-gaap	Financial Instruments Owned And Pledged As Collateral Amount Not Eligible To Be Repledged By Counterparty FinancialInstrumentsOwnedAndPledgedAsCollateralAmountNotEligibleToBeRepledgedByCounterparty	0	usd
CY2010Q4	us-gaap	Financial Instruments Owned And Pledged As Collateral Amount Not Eligible To Be Repledged By Counterparty FinancialInstrumentsOwnedAndPledgedAsCollateralAmountNotEligibleToBeRepledgedByCounterparty	0	usd
CY2009Q4	us-gaap	Financial Instruments Owned Principal Investments At Fair Value FinancialInstrumentsOwnedPrincipalInvestmentsAtFairValue	1423000000	usd
CY2010Q4	us-gaap	Financial Instruments Owned Principal Investments At Fair Value FinancialInstrumentsOwnedPrincipalInvestmentsAtFairValue	305000000	usd
CY2009Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	5749000000	usd
CY2010Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	8171000000	usd
CY2010	us-gaap	Finite Lived Intangible Assets Amortization Expense FiniteLivedIntangibleAssetsAmortizationExpense	2434000000	usd
CY2009Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	19796000000	usd
CY2010Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	20341000000	usd
CY2009Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	14047000000	usd
CY2010Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	12170000000	usd
CY2009	us-gaap	Gain From Components Excluded From Assessment Of Fair Value Hedge Effectiveness GainFromComponentsExcludedFromAssessmentOfFairValueHedgeEffectiveness	-10000000	usd
CY2010	us-gaap	Gain From Components Excluded From Assessment Of Fair Value Hedge Effectiveness GainFromComponentsExcludedFromAssessmentOfFairValueHedgeEffectiveness	3000000	usd
CY2009	us-gaap	Gain Loss On Cash Flow Hedge Ineffectiveness Net GainLossOnCashFlowHedgeIneffectivenessNet	42000000	usd
CY2010	us-gaap	Gain Loss On Cash Flow Hedge Ineffectiveness Net GainLossOnCashFlowHedgeIneffectivenessNet	6000000	usd
CY2008	us-gaap	Gain Loss On Disposition Of Property GainLossOnDispositionOfProperty	3000000	usd
CY2009	us-gaap	Gain Loss On Disposition Of Property GainLossOnDispositionOfProperty	-22000000	usd
CY2010	us-gaap	Gain Loss On Disposition Of Property GainLossOnDispositionOfProperty	-115000000	usd
CY2008	us-gaap	Gain Loss On Investments GainLossOnInvestments	280000000	usd
CY2009	us-gaap	Gain Loss On Investments GainLossOnInvestments	58000000	usd
CY2010	us-gaap	Gain Loss On Investments GainLossOnInvestments	455000000	usd
CY2008	us-gaap	Gain Loss On Sale Of Debt Investments GainLossOnSaleOfDebtInvestments	1037000000	usd
CY2009	us-gaap	Gain Loss On Sale Of Debt Investments GainLossOnSaleOfDebtInvestments	-127000000	usd
CY2010	us-gaap	Gain Loss On Sale Of Debt Investments GainLossOnSaleOfDebtInvestments	-324000000	usd
CY2009	us-gaap	Gain Loss On Securitization Of Financial Assets GainLossOnSecuritizationOfFinancialAssets	1000000	usd
CY2010	us-gaap	Gain Loss On Securitization Of Financial Assets GainLossOnSecuritizationOfFinancialAssets	27000000	usd
CY2008Q4	us-gaap	Goodwill Goodwill	22627000000	usd
CY2009Q4	us-gaap	Goodwill Goodwill	24812000000	usd
CY2010Q4	us-gaap	Goodwill Goodwill	24770000000	usd
CY2009	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	2178000000	usd
CY2010	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	-42000000	usd
CY2009	us-gaap	Goodwill Translation And Purchase Accounting Adjustments GoodwillTranslationAndPurchaseAccountingAdjustments	7000000	usd
CY2009Q4	us-gaap	Guarantee Obligations Current Carrying Value GuaranteeObligationsCurrentCarryingValue	1183000000	usd
CY2010Q4	us-gaap	Guarantee Obligations Current Carrying Value GuaranteeObligationsCurrentCarryingValue	1084000000	usd
CY2009Q4	us-gaap	Guarantee Obligations Maximum Exposure GuaranteeObligationsMaximumExposure	91581000000	usd
CY2010Q4	us-gaap	Guarantee Obligations Maximum Exposure GuaranteeObligationsMaximumExposure	69849000000	usd
CY2008	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	3300000000	usd
CY2009	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	17998000000	usd
CY2010	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	19001000000	usd
CY2008	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	2698000000	usd
CY2009	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	12667000000	usd
CY2010	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	12663000000	usd
CY2008	us-gaap	Income Taxes Paid IncomeTaxesPaid	2554000000	usd
CY2009	us-gaap	Income Taxes Paid IncomeTaxesPaid	3042000000	usd
CY2010	us-gaap	Income Taxes Paid IncomeTaxesPaid	1187000000	usd
CY2009Q4	us-gaap	Income Tax Examination Penalties And Interest Accrued IncomeTaxExaminationPenaltiesAndInterestAccrued	771000000	usd
CY2010Q4	us-gaap	Income Tax Examination Penalties And Interest Accrued IncomeTaxExaminationPenaltiesAndInterestAccrued	870000000	usd
CY2009	us-gaap	Income Tax Examination Penalties And Interest Expense IncomeTaxExaminationPenaltiesAndInterestExpense	72000000	usd
CY2010	us-gaap	Income Tax Examination Penalties And Interest Expense IncomeTaxExaminationPenaltiesAndInterestExpense	-45000000	usd
CY2008	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	602000000	usd
CY2009	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	5331000000	usd
CY2010	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	6338000000	usd
CY2008	us-gaap	Income Tax Expense Benefit Continuing Operations IncomeTaxExpenseBenefitContinuingOperations	602000000	usd
CY2009	us-gaap	Income Tax Expense Benefit Continuing Operations IncomeTaxExpenseBenefitContinuingOperations	5331000000	usd
CY2010	us-gaap	Income Tax Expense Benefit Continuing Operations IncomeTaxExpenseBenefitContinuingOperations	6338000000	usd
CY2008	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	1140000000	usd
CY2009	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	6162000000	usd
CY2010	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	6545000000	usd
CY2008	us-gaap	Income Tax Reconciliation Nondeductible Expense Leases IncomeTaxReconciliationNondeductibleExpenseLeases	0	usd
CY2009	us-gaap	Income Tax Reconciliation Nondeductible Expense Leases IncomeTaxReconciliationNondeductibleExpenseLeases	400000000	usd
CY2010	us-gaap	Income Tax Reconciliation Nondeductible Expense Leases IncomeTaxReconciliationNondeductibleExpenseLeases	461000000	usd
CY2008	us-gaap	Income Tax Reconciliation Nondeductible Expense Life Insurance IncomeTaxReconciliationNondeductibleExpenseLifeInsurance	-67000000	usd
CY2009	us-gaap	Income Tax Reconciliation Nondeductible Expense Life Insurance IncomeTaxReconciliationNondeductibleExpenseLifeInsurance	-257000000	usd
CY2010	us-gaap	Income Tax Reconciliation Nondeductible Expense Life Insurance IncomeTaxReconciliationNondeductibleExpenseLifeInsurance	-223000000	usd
CY2008	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	88000000	usd
CY2009	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-367000000	usd
CY2010	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	120000000	usd
CY2008	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	94000000	usd
CY2009	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	468000000	usd
CY2010	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	586000000	usd
CY2008	us-gaap	Income Tax Reconciliation Tax Credits IncomeTaxReconciliationTaxCredits	266000000	usd
CY2009	us-gaap	Income Tax Reconciliation Tax Credits IncomeTaxReconciliationTaxCredits	533000000	usd
CY2010	us-gaap	Income Tax Reconciliation Tax Credits IncomeTaxReconciliationTaxCredits	577000000	usd
CY2008	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	130000000	usd
CY2009	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	260000000	usd
CY2010	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	283000000	usd
CY2008	us-gaap	Increase Decrease In Accrued Interest Receivable Net IncreaseDecreaseInAccruedInterestReceivableNet	2676000000	usd
CY2009	us-gaap	Increase Decrease In Accrued Interest Receivable Net IncreaseDecreaseInAccruedInterestReceivableNet	293000000	usd
CY2010	us-gaap	Increase Decrease In Accrued Interest Receivable Net IncreaseDecreaseInAccruedInterestReceivableNet	-1051000000	usd
CY2008	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	1642000000	usd
CY2009	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	-9453000000	usd
CY2010	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	-4287000000	usd
CY2008	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	7697000000	usd
CY2009	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	42473000000	usd
CY2010	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	23924000000	usd
CY2008	us-gaap	Increase Decrease In Interest Payable Net IncreaseDecreaseInInterestPayableNet	1634000000	usd
CY2009	us-gaap	Increase Decrease In Interest Payable Net IncreaseDecreaseInInterestPayableNet	-1028000000	usd
CY2010	us-gaap	Increase Decrease In Interest Payable Net IncreaseDecreaseInInterestPayableNet	-268000000	usd
CY2008	us-gaap	Increase Decrease In Other Accounts Payable And Accrued Liabilities IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities	-10944000000	usd
CY2009	us-gaap	Increase Decrease In Other Accounts Payable And Accrued Liabilities IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities	2070000000	usd
CY2010	us-gaap	Increase Decrease In Other Accounts Payable And Accrued Liabilities IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities	-1729000000	usd
CY2008	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	21578000000	usd
CY2009	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	15018000000	usd
CY2010	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	19631000000	usd
CY2009Q4	us-gaap	Indefinite Lived Intangible Assets IndefiniteLivedIntangibleAssets	14000000	usd
CY2010Q4	us-gaap	Indefinite Lived Intangible Assets IndefiniteLivedIntangibleAssets	14000000	usd
CY2008	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	480000000	usd
CY2009	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	1027000000	usd
CY2010	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	1046000000	usd
CY2008	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	34898000000	usd
CY2009	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	56274000000	usd
CY2010	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	52796000000	usd
CY2008	us-gaap	Interest And Dividend Income Securities Available For Sale InterestAndDividendIncomeSecuritiesAvailableForSale	5287000000	usd
CY2009	us-gaap	Interest And Dividend Income Securities Available For Sale InterestAndDividendIncomeSecuritiesAvailableForSale	11319000000	usd
CY2010	us-gaap	Interest And Dividend Income Securities Available For Sale InterestAndDividendIncomeSecuritiesAvailableForSale	9666000000	usd
CY2008	us-gaap	Interest And Fee Income Loans And Leases Held In Portfolio InterestAndFeeIncomeLoansAndLeasesHeldInPortfolio	27632000000	usd
CY2009	us-gaap	Interest And Fee Income Loans And Leases Held In Portfolio InterestAndFeeIncomeLoansAndLeasesHeldInPortfolio	41589000000	usd
CY2010	us-gaap	Interest And Fee Income Loans And Leases Held In Portfolio InterestAndFeeIncomeLoansAndLeasesHeldInPortfolio	39760000000	usd
CY2008	us-gaap	Interest And Fee Income Loans Held For Sale Mortgages InterestAndFeeIncomeLoansHeldForSaleMortgages	1573000000	usd
CY2009	us-gaap	Interest And Fee Income Loans Held For Sale Mortgages InterestAndFeeIncomeLoansHeldForSaleMortgages	1930000000	usd
CY2010	us-gaap	Interest And Fee Income Loans Held For Sale Mortgages InterestAndFeeIncomeLoansHeldForSaleMortgages	1736000000	usd
CY2009Q4	us-gaap	Interest Bearing Deposit Liabilities InterestBearingDepositLiabilities	642662000000	usd
CY2010Q4	us-gaap	Interest Bearing Deposit Liabilities InterestBearingDepositLiabilities	656686000000	usd
CY2009Q4	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	31668000000	usd
CY2010Q4	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	53433000000	usd
CY2008	us-gaap	Interest Expense InterestExpense	9755000000	usd
CY2009	us-gaap	Interest Expense InterestExpense	9950000000	usd
CY2010	us-gaap	Interest Expense InterestExpense	8039000000	usd
CY2008	us-gaap	Interest Expense Deposits InterestExpenseDeposits	4521000000	usd
CY2009	us-gaap	Interest Expense Deposits InterestExpenseDeposits	3774000000	usd
CY2010	us-gaap	Interest Expense Deposits InterestExpenseDeposits	2832000000	usd
CY2008	us-gaap	Interest Expense Long Term Debt InterestExpenseLongTermDebt	3756000000	usd
CY2009	us-gaap	Interest Expense Long Term Debt InterestExpenseLongTermDebt	5782000000	usd
CY2010	us-gaap	Interest Expense Long Term Debt InterestExpenseLongTermDebt	4888000000	usd
CY2009	us-gaap	Interest Expense Other InterestExpenseOther	172000000	usd
CY2010	us-gaap	Interest Expense Other InterestExpenseOther	227000000	usd
CY2008	us-gaap	Interest Expense Short Term Borrowings InterestExpenseShortTermBorrowings	1478000000	usd
CY2009	us-gaap	Interest Expense Short Term Borrowings InterestExpenseShortTermBorrowings	222000000	usd
CY2010	us-gaap	Interest Expense Short Term Borrowings InterestExpenseShortTermBorrowings	92000000	usd
CY2008	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	9164000000	usd
CY2009	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	24656000000	usd
CY2010	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	29004000000	usd
CY2008	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	25143000000	usd
CY2009	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	46324000000	usd
CY2010	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	44757000000	usd
CY2008	us-gaap	Interest Paid Net InterestPaidNet	8121000000	usd
CY2009	us-gaap	Interest Paid Net InterestPaidNet	10978000000	usd
CY2010	us-gaap	Interest Paid Net InterestPaidNet	8307000000	usd
CY2009Q4	us-gaap	Interest Receivable InterestReceivable	5946000000	usd
CY2010Q4	us-gaap	Interest Receivable InterestReceivable	4895000000	usd
CY2008	us-gaap	Labor And Related Expense LaborAndRelatedExpense	12940000000	usd
CY2009	us-gaap	Labor And Related Expense LaborAndRelatedExpense	26467000000	usd
CY2010	us-gaap	Labor And Related Expense LaborAndRelatedExpense	27212000000	usd
CY2008	us-gaap	Late Fee Income Generated By Servicing Financial Assets Amount LateFeeIncomeGeneratedByServicingFinancialAssetsAmount	283000000	usd
CY2009	us-gaap	Late Fee Income Generated By Servicing Financial Assets Amount LateFeeIncomeGeneratedByServicingFinancialAssetsAmount	330000000	usd
CY2010	us-gaap	Late Fee Income Generated By Servicing Financial Assets Amount LateFeeIncomeGeneratedByServicingFinancialAssetsAmount	360000000	usd
CY2010Q4	us-gaap	Liabilities Liabilities	1130239000000	usd
CY2009Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1243646000000	usd
CY2010Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1258128000000	usd
CY2009Q4	us-gaap	Life Insurance Corporate Or Bank Owned Amount LifeInsuranceCorporateOrBankOwnedAmount	19515000000	usd
CY2010Q4	us-gaap	Life Insurance Corporate Or Bank Owned Amount LifeInsuranceCorporateOrBankOwnedAmount	19845000000	usd
CY2006Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	3764000000	usd
CY2007Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	5307000000	usd
CY2008Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	21013000000	usd
CY2009Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	24516000000	usd
CY2010Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	23022000000	usd
CY2009Q4	us-gaap	Loans And Leases Receivable Deferred Income LoansAndLeasesReceivableDeferredIncome	14600000000	usd
CY2010Q4	us-gaap	Loans And Leases Receivable Deferred Income LoansAndLeasesReceivableDeferredIncome	11300000000	usd
CY2009Q4	us-gaap	Loans And Leases Receivable Impaired Commitment To Lend LoansAndLeasesReceivableImpairedCommitmentToLend	452000000	usd
CY2010Q4	us-gaap	Loans And Leases Receivable Impaired Commitment To Lend LoansAndLeasesReceivableImpairedCommitmentToLend	1200000000	usd
CY2009Q4	us-gaap	Loans And Leases Receivable Impaired Nonperforming Over90 Days Accrual Of Interest LoansAndLeasesReceivableImpairedNonperformingOver90DaysAccrualOfInterest	22200000000	usd
CY2010Q4	us-gaap	Loans And Leases Receivable Impaired Nonperforming Over90 Days Accrual Of Interest LoansAndLeasesReceivableImpairedNonperformingOver90DaysAccrualOfInterest	18500000000	usd
CY2006Q4	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	319116000000	usd
CY2007Q4	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	382195000000	usd
CY2008Q4	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	864830000000	usd
CY2009Q4	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	782770000000	usd
CY2010Q4	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	757267000000	usd
CY2009Q4	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	758254000000	usd
CY2010Q4	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	734245000000	usd
CY2009Q4	us-gaap	Loans Held For Sale Fair Value Disclosure LoansHeldForSaleFairValueDisclosure	149000000	usd
CY2010Q4	us-gaap	Loans Held For Sale Fair Value Disclosure LoansHeldForSaleFairValueDisclosure	873000000	usd
CY2009Q4	us-gaap	Loans Held For Sale Mortgages LoansHeldForSaleMortgages	39094000000	usd
CY2010Q4	us-gaap	Loans Held For Sale Mortgages LoansHeldForSaleMortgages	51763000000	usd
CY2010Q4	us-gaap	Loans Receivable Fair Value Disclosure LoansReceivableFairValueDisclosure	309000000	usd
CY2009Q4	us-gaap	Loans Receivable Held For Sale Net LoansReceivableHeldForSaleNet	44827000000	usd
CY2010Q4	us-gaap	Loans Receivable Held For Sale Net LoansReceivableHeldForSaleNet	53053000000	usd
CY2009Q4	us-gaap	Long Term Debt LongTermDebt	203861000000	usd
CY2010Q4	us-gaap	Long Term Debt LongTermDebt	156983000000	usd
CY2010Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal After Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive	65646000000	usd
CY2010Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	36223000000	usd
CY2010Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	8553000000	usd
CY2010Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	11032000000	usd
CY2010Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	15750000000	usd
CY2010Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	19779000000	usd
CY2009	us-gaap	Maximum Length Of Time Hedged In Cash Flow Hedge MaximumLengthOfTimeHedgedInCashFlowHedge	8 years
CY2009Q4	us-gaap	Minority Interest MinorityInterest	2573000000	usd
CY2010Q4	us-gaap	Minority Interest MinorityInterest	1481000000	usd
CY2008	us-gaap	Minority Interest Increase From Stock Issuance MinorityInterestIncreaseFromStockIssuance	2903000000	usd
CY2010	us-gaap	Minority Interest Increase From Stock Issuance MinorityInterestIncreaseFromStockIssuance	-1418000000	usd
CY2009	us-gaap	Minority Interest Period Increase Decrease MinorityInterestPeriodIncreaseDecrease	-344000000	usd
CY2009Q4	us-gaap	Mortgages Held For Sale Fair Value Disclosure MortgagesHeldForSaleFairValueDisclosure	36962000000	usd
CY2010Q4	us-gaap	Mortgages Held For Sale Fair Value Disclosure MortgagesHeldForSaleFairValueDisclosure	47531000000	usd
CY2008	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	31955000000	usd
CY2009	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-97081000000	usd
CY2010	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-26133000000	usd
CY2008	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-18161000000	usd
CY2009	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	71785000000	usd
CY2010	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-3675000000	usd
CY2008	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-4788000000	usd
CY2009	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	28613000000	usd
CY2010	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	18772000000	usd
CY2008	us-gaap	Net Income Loss NetIncomeLoss	2655000000	usd
CY2009	us-gaap	Net Income Loss NetIncomeLoss	12275000000	usd
CY2010	us-gaap	Net Income Loss NetIncomeLoss	12362000000	usd
CY2008	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	43000000	usd
CY2009	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	392000000	usd
CY2010	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	301000000	usd
CY2008	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	2369000000	usd
CY2009	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	7990000000	usd
CY2010	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	11632000000	usd
CY2009Q4	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	181356000000	usd
CY2010Q4	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	191256000000	usd
CY2008	us-gaap	Noninterest Expense NoninterestExpense	22598000000	usd
CY2009	us-gaap	Noninterest Expense NoninterestExpense	49020000000	usd
CY2010	us-gaap	Noninterest Expense NoninterestExpense	50456000000	usd
CY2008	us-gaap	Noninterest Income NoninterestIncome	16734000000	usd
CY2009	us-gaap	Noninterest Income NoninterestIncome	42362000000	usd
CY2010	us-gaap	Noninterest Income NoninterestIncome	40453000000	usd
CY2008	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	850000000	usd
CY2009	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	1828000000	usd
CY2010	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	2180000000	usd
CY2008	us-gaap	Occupancy Net OccupancyNet	1619000000	usd
CY2009	us-gaap	Occupancy Net OccupancyNet	3127000000	usd
CY2010	us-gaap	Occupancy Net OccupancyNet	3030000000	usd
CY2010Q4	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	8605000000	usd
CY2010Q4	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	1134000000	usd
CY2010Q4	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	788000000	usd
CY2010Q4	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	944000000	usd
CY2010Q4	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	1099000000	usd
CY2010Q4	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	1235000000	usd
CY2010Q4	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	3405000000	usd
CY2008	us-gaap	Operating Leases Income Statement Lease Revenue OperatingLeasesIncomeStatementLeaseRevenue	427000000	usd
CY2009	us-gaap	Operating Leases Income Statement Lease Revenue OperatingLeasesIncomeStatementLeaseRevenue	685000000	usd
CY2010	us-gaap	Operating Leases Income Statement Lease Revenue OperatingLeasesIncomeStatementLeaseRevenue	815000000	usd
CY2009Q4	us-gaap	Other Assets OtherAssets	104180000000	usd
CY2010Q4	us-gaap	Other Assets OtherAssets	99781000000	usd
CY2008	us-gaap	Other Comprehensive Income Available For Sale Securities Adjustment Before Tax Period Increase Decrease OtherComprehensiveIncomeAvailableForSaleSecuritiesAdjustmentBeforeTaxPeriodIncreaseDecrease	-10581000000	usd
CY2009	us-gaap	Other Comprehensive Income Available For Sale Securities Adjustment Before Tax Period Increase Decrease OtherComprehensiveIncomeAvailableForSaleSecuritiesAdjustmentBeforeTaxPeriodIncreaseDecrease	15649000000	usd
CY2010	us-gaap	Other Comprehensive Income Available For Sale Securities Adjustment Before Tax Period Increase Decrease OtherComprehensiveIncomeAvailableForSaleSecuritiesAdjustmentBeforeTaxPeriodIncreaseDecrease	2688000000	usd
CY2008	us-gaap	Other Comprehensive Income Available For Sale Securities Adjustment Net Of Tax Period Increase Decrease OtherComprehensiveIncomeAvailableForSaleSecuritiesAdjustmentNetOfTaxPeriodIncreaseDecrease	-6610000000	usd
CY2009	us-gaap	Other Comprehensive Income Available For Sale Securities Adjustment Net Of Tax Period Increase Decrease OtherComprehensiveIncomeAvailableForSaleSecuritiesAdjustmentNetOfTaxPeriodIncreaseDecrease	9811000000	usd
CY2010	us-gaap	Other Comprehensive Income Available For Sale Securities Adjustment Net Of Tax Period Increase Decrease OtherComprehensiveIncomeAvailableForSaleSecuritiesAdjustmentNetOfTaxPeriodIncreaseDecrease	1538000000	usd
CY2008	us-gaap	Other Comprehensive Income Available For Sale Securities Tax OtherComprehensiveIncomeAvailableForSaleSecuritiesTax	-3971000000	usd
CY2009	us-gaap	Other Comprehensive Income Available For Sale Securities Tax OtherComprehensiveIncomeAvailableForSaleSecuritiesTax	5843000000	usd
CY2010	us-gaap	Other Comprehensive Income Available For Sale Securities Tax OtherComprehensiveIncomeAvailableForSaleSecuritiesTax	1163000000	usd
CY2008	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Before Tax Period Increase Decrease OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentBeforeTaxPeriodIncreaseDecrease	-2159000000	usd
CY2009	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Before Tax Period Increase Decrease OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentBeforeTaxPeriodIncreaseDecrease	406000000	usd
CY2010	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Before Tax Period Increase Decrease OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentBeforeTaxPeriodIncreaseDecrease	124000000	usd
CY2008	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Net Of Tax Period Increase Decrease OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecrease	-1362000000	usd
CY2009	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Net Of Tax Period Increase Decrease OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecrease	273000000	usd
CY2010	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Net Of Tax Period Increase Decrease OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecrease	70000000	usd
CY2008	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	-1366000000	usd
CY2009	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	149000000	usd
CY2010	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	11000000	usd
CY2008	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	-799000000	usd
CY2009	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	73000000	usd
CY2010	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	9000000	usd
CY2008	us-gaap	Other Comprehensive Income Defined Benefit Plans Tax OtherComprehensiveIncomeDefinedBenefitPlansTax	-797000000	usd
CY2009	us-gaap	Other Comprehensive Income Defined Benefit Plans Tax OtherComprehensiveIncomeDefinedBenefitPlansTax	133000000	usd
CY2010	us-gaap	Other Comprehensive Income Defined Benefit Plans Tax OtherComprehensiveIncomeDefinedBenefitPlansTax	54000000	usd
CY2008	us-gaap	Other Comprehensive Income Derivatives Qualifying As Hedges Before Tax Period Increase Decrease OtherComprehensiveIncomeDerivativesQualifyingAsHedgesBeforeTaxPeriodIncreaseDecrease	703000000	usd
CY2009	us-gaap	Other Comprehensive Income Derivatives Qualifying As Hedges Before Tax Period Increase Decrease OtherComprehensiveIncomeDerivativesQualifyingAsHedgesBeforeTaxPeriodIncreaseDecrease	-338000000	usd
CY2010	us-gaap	Other Comprehensive Income Derivatives Qualifying As Hedges Before Tax Period Increase Decrease OtherComprehensiveIncomeDerivativesQualifyingAsHedgesBeforeTaxPeriodIncreaseDecrease	137000000	usd
CY2008	us-gaap	Other Comprehensive Income Derivatives Qualifying As Hedges Net Of Tax Period Increase Decrease OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPeriodIncreaseDecrease	436000000	usd
CY2009	us-gaap	Other Comprehensive Income Derivatives Qualifying As Hedges Net Of Tax Period Increase Decrease OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPeriodIncreaseDecrease	-221000000	usd
CY2010	us-gaap	Other Comprehensive Income Derivatives Qualifying As Hedges Net Of Tax Period Increase Decrease OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPeriodIncreaseDecrease	89000000	usd
CY2008	us-gaap	Other Comprehensive Income Derivatives Qualifying As Hedges Tax Effect Period Increase Decrease OtherComprehensiveIncomeDerivativesQualifyingAsHedgesTaxEffectPeriodIncreaseDecrease	267000000	usd
CY2009	us-gaap	Other Comprehensive Income Derivatives Qualifying As Hedges Tax Effect Period Increase Decrease OtherComprehensiveIncomeDerivativesQualifyingAsHedgesTaxEffectPeriodIncreaseDecrease	-117000000	usd
CY2010	us-gaap	Other Comprehensive Income Derivatives Qualifying As Hedges Tax Effect Period Increase Decrease OtherComprehensiveIncomeDerivativesQualifyingAsHedgesTaxEffectPeriodIncreaseDecrease	48000000	usd
CY2009Q2	us-gaap	Other Comprehensive Income Finalization Of Pension And Non Pension Postretirement Plan Valuation Before Tax OtherComprehensiveIncomeFinalizationOfPensionAndNonPensionPostretirementPlanValuationBeforeTax	725000000	usd
CY2010Q2	us-gaap	Other Comprehensive Income Finalization Of Pension And Non Pension Postretirement Plan Valuation Before Tax OtherComprehensiveIncomeFinalizationOfPensionAndNonPensionPostretirementPlanValuationBeforeTax	0	usd
CY2009Q2	us-gaap	Other Comprehensive Income Finalization Of Pension And Non Pension Postretirement Plan Valuation Net Of Tax OtherComprehensiveIncomeFinalizationOfPensionAndNonPensionPostretirementPlanValuationNetOfTax	456000000	usd
CY2010Q2	us-gaap	Other Comprehensive Income Finalization Of Pension And Non Pension Postretirement Plan Valuation Net Of Tax OtherComprehensiveIncomeFinalizationOfPensionAndNonPensionPostretirementPlanValuationNetOfTax	0	usd
CY2008	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Before Tax Period Increase Decrease OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentBeforeTaxPeriodIncreaseDecrease	-93000000	usd
CY2009	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Before Tax Period Increase Decrease OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentBeforeTaxPeriodIncreaseDecrease	118000000	usd
CY2010	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Before Tax Period Increase Decrease OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentBeforeTaxPeriodIncreaseDecrease	71000000	usd
CY2008	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Period Increase Decrease OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease	-58000000	usd
CY2009	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Period Increase Decrease OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease	66000000	usd
CY2010	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Period Increase Decrease OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease	57000000	usd
CY2008	us-gaap	Other Comprehensive Income Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeForeignCurrencyTranslationAdjustmentTax	-35000000	usd
CY2009	us-gaap	Other Comprehensive Income Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeForeignCurrencyTranslationAdjustmentTax	45000000	usd
CY2010	us-gaap	Other Comprehensive Income Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeForeignCurrencyTranslationAdjustmentTax	26000000	usd
CY2008	us-gaap	Other Comprehensive Income Loss Before Tax Period Increase Decrease OtherComprehensiveIncomeLossBeforeTaxPeriodIncreaseDecrease	-12130000000	usd
CY2009	us-gaap	Other Comprehensive Income Loss Before Tax Period Increase Decrease OtherComprehensiveIncomeLossBeforeTaxPeriodIncreaseDecrease	15835000000	usd
CY2010	us-gaap	Other Comprehensive Income Loss Before Tax Period Increase Decrease OtherComprehensiveIncomeLossBeforeTaxPeriodIncreaseDecrease	3020000000	usd
CY2008	us-gaap	Other Comprehensive Income Loss Net Of Tax Period Increase Decrease OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease	-7594000000	usd
CY2009	us-gaap	Other Comprehensive Income Loss Net Of Tax Period Increase Decrease OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease	9931000000	usd
CY2010	us-gaap	Other Comprehensive Income Loss Net Of Tax Period Increase Decrease OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease	1729000000	usd
CY2008	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	4536000000	usd
CY2009	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	-5904000000	usd
CY2010	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	-1291000000	usd
CY2008	us-gaap	Other Comprehensive Income Reclassification Adjustment On Derivatives Included In Net Income Before Tax OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeBeforeTax	252000000	usd
CY2009	us-gaap	Other Comprehensive Income Reclassification Adjustment On Derivatives Included In Net Income Before Tax OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeBeforeTax	531000000	usd
CY2010	us-gaap	Other Comprehensive Income Reclassification Adjustment On Derivatives Included In Net Income Before Tax OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeBeforeTax	613000000	usd
CY2008	us-gaap	Other Comprehensive Income Reclassification Adjustment On Derivatives Included In Net Income Net Of Tax OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeNetOfTax	156000000	usd
CY2009	us-gaap	Other Comprehensive Income Reclassification Adjustment On Derivatives Included In Net Income Net Of Tax OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeNetOfTax	328000000	usd
CY2010	us-gaap	Other Comprehensive Income Reclassification Adjustment On Derivatives Included In Net Income Net Of Tax OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeNetOfTax	379000000	usd
CY2008	us-gaap	Other Comprehensive Income Reclassification Adjustment On Derivatives Included In Net Income Tax OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeTax	96000000	usd
CY2009	us-gaap	Other Comprehensive Income Reclassification Adjustment On Derivatives Included In Net Income Tax OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeTax	203000000	usd
CY2010	us-gaap	Other Comprehensive Income Reclassification Adjustment On Derivatives Included In Net Income Tax OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeTax	234000000	usd
CY2008	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax	955000000	usd
CY2009	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax	193000000	usd
CY2010	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax	750000000	usd
CY2008	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	592000000	usd
CY2009	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	107000000	usd
CY2010	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	468000000	usd
CY2008	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax	363000000	usd
CY2009	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax	86000000	usd
CY2010	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax	282000000	usd
CY2008	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-10552000000	usd
CY2009	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	15998000000	usd
CY2010	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	2611000000	usd
CY2008	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-6592000000	usd
CY2009	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	10026000000	usd
CY2010	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	1477000000	usd
CY2008	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-3960000000	usd
CY2009	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	5972000000	usd
CY2010	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	1134000000	usd
CY2008	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	709000000	usd
CY2009	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	1400000000	usd
CY2010	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	1300000000	usd
CY2008	us-gaap	Other Interest And Dividend Income OtherInterestAndDividendIncome	181000000	usd
CY2009	us-gaap	Other Interest And Dividend Income OtherInterestAndDividendIncome	335000000	usd
CY2010	us-gaap	Other Interest And Dividend Income OtherInterestAndDividendIncome	435000000	usd
CY2008	us-gaap	Other Labor Related Expenses OtherLaborRelatedExpenses	2004000000	usd
CY2009	us-gaap	Other Labor Related Expenses OtherLaborRelatedExpenses	4689000000	usd
CY2010	us-gaap	Other Labor Related Expenses OtherLaborRelatedExpenses	4651000000	usd
CY2008	us-gaap	Other Noncash Income OtherNoncashIncome	-2065000000	usd
CY2009	us-gaap	Other Noncash Income OtherNoncashIncome	3867000000	usd
CY2010	us-gaap	Other Noncash Income OtherNoncashIncome	-1345000000	usd
CY2008	us-gaap	Other Noninterest Expense OtherNoninterestExpense	6376000000	usd
CY2009	us-gaap	Other Noninterest Expense OtherNoninterestExpense	12494000000	usd
CY2010	us-gaap	Other Noninterest Expense OtherNoninterestExpense	14182000000	usd
CY2009Q4	us-gaap	Other Short Term Investments OtherShortTermInvestments	1175000000	usd
CY2010Q4	us-gaap	Other Short Term Investments OtherShortTermInvestments	2324000000	usd
CY2008	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	213498000000	usd
CY2009	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	414299000000	usd
CY2010	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	370175000000	usd
CY2008	us-gaap	Payments For Proceeds From Mortgage Servicing Rights PaymentsForProceedsFromMortgageServicingRights	-92000000	usd
CY2009	us-gaap	Payments For Proceeds From Mortgage Servicing Rights PaymentsForProceedsFromMortgageServicingRights	10000000	usd
CY2010	us-gaap	Payments For Proceeds From Mortgage Servicing Rights PaymentsForProceedsFromMortgageServicingRights	65000000	usd
CY2008	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	5566000000	usd
CY2009	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-3556000000	usd
CY2010	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-2800000000	usd
CY2008	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	1623000000	usd
CY2009	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	220000000	usd
CY2010	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	91000000	usd
CY2009	us-gaap	Payments For Repurchase Of Preferred Stock And Preference Stock PaymentsForRepurchaseOfPreferredStockAndPreferenceStock	25000000000	usd
CY2010	us-gaap	Payments For Repurchase Of Preferred Stock And Preference Stock PaymentsForRepurchaseOfPreferredStockAndPreferenceStock	0	usd
CY2010	us-gaap	Payments For Repurchase Of Warrants PaymentsForRepurchaseOfWarrants	545000000	usd
CY2008	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	4312000000	usd
CY2009	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	2125000000	usd
CY2010	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	1045000000	usd
CY2009	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	2178000000	usd
CY2010	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	737000000	usd
CY2008	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	105341000000	usd
CY2009	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	95285000000	usd
CY2010	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	53466000000	usd
CY2008	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	-11203000000	usd
CY2009	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	138000000	usd
CY2010	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	36000000	usd
CY2009	us-gaap	Payments To Purchase Other Loans Held For Sale PaymentsToPurchaseOtherLoansHeldForSale	8614000000	usd
CY2010	us-gaap	Payments To Purchase Other Loans Held For Sale PaymentsToPurchaseOtherLoansHeldForSale	7470000000	usd
CY2009Q4	us-gaap	Pledged Financial Instruments Not Separately Reported Loans Receivable Pledged As Collateral PledgedFinancialInstrumentsNotSeparatelyReportedLoansReceivablePledgedAsCollateral	312600000000	usd
CY2010Q4	us-gaap	Pledged Financial Instruments Not Separately Reported Loans Receivable Pledged As Collateral PledgedFinancialInstrumentsNotSeparatelyReportedLoansReceivablePledgedAsCollateral	312600000000	usd
CY2009Q4	us-gaap	Preferred Stock Discount On Shares PreferredStockDiscountOnShares	1399000000	usd
CY2010Q4	us-gaap	Preferred Stock Discount On Shares PreferredStockDiscountOnShares	1399000000	usd
CY2008	us-gaap	Preferred Stock Dividends PreferredStockDividends	67000000	usd
CY2009	us-gaap	Preferred Stock Dividends PreferredStockDividends	804000000	usd
CY2010	us-gaap	Preferred Stock Dividends PreferredStockDividends	737000000	usd
CY2008	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	219000000	usd
CY2009	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	2026000000	usd
CY2009Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	9470	usd
CY2010Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	9470	usd
CY2010Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	9922000	shares
CY2009Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	9566921	shares
CY2010Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	9566921	shares
CY2009Q4	us-gaap	Preferred Stock Value PreferredStockValue	8485000000	usd
CY2010Q4	us-gaap	Preferred Stock Value PreferredStockValue	8689000000	usd
CY2009Q4	us-gaap	Preferred Stock Value Outstanding PreferredStockValueOutstanding	8071000000	usd
CY2010Q4	us-gaap	Preferred Stock Value Outstanding PreferredStockValueOutstanding	8071000000	usd
CY2009Q4	us-gaap	Principal Amount Outstanding On Loans Securitized PrincipalAmountOutstandingOnLoansSecuritized	1071334000000	usd
CY2010Q4	us-gaap	Principal Amount Outstanding On Loans Securitized PrincipalAmountOutstandingOnLoansSecuritized	1093210000000	usd
CY2008	us-gaap	Principal Investment Gains Losses PrincipalInvestmentGainsLosses	0	usd
CY2009	us-gaap	Principal Investment Gains Losses PrincipalInvestmentGainsLosses	79000000	usd
CY2010	us-gaap	Principal Investment Gains Losses PrincipalInvestmentGainsLosses	42000000	usd
CY2008	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	14171000000	usd
CY2009	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	21976000000	usd
CY2010	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	1375000000	usd
CY2008	us-gaap	Proceeds From Issuance Of Long Term Debt And Capital Securities Net ProceedsFromIssuanceOfLongTermDebtAndCapitalSecuritiesNet	35701000000	usd
CY2009	us-gaap	Proceeds From Issuance Of Long Term Debt And Capital Securities Net ProceedsFromIssuanceOfLongTermDebtAndCapitalSecuritiesNet	8396000000	usd
CY2010	us-gaap	Proceeds From Issuance Of Long Term Debt And Capital Securities Net ProceedsFromIssuanceOfLongTermDebtAndCapitalSecuritiesNet	3489000000	usd
CY2008	us-gaap	Proceeds From Issuance Of Preferred Stock And Preference Stock ProceedsFromIssuanceOfPreferredStockAndPreferenceStock	22674000000	usd
CY2010	us-gaap	Proceeds From Issuance Of Preferred Stock And Preference Stock ProceedsFromIssuanceOfPreferredStockAndPreferenceStock	0	usd
CY2008	us-gaap	Proceeds From Issuance Of Warrants ProceedsFromIssuanceOfWarrants	2326000000	usd
CY2008	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	24317000000	usd
CY2009	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	38811000000	usd
CY2010	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	47919000000	usd
CY2010	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	0	usd
CY2008	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	-14888000000	usd
CY2009	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	-69108000000	usd
CY2010	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	11308000000	usd
CY2008	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	60806000000	usd
CY2009	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	53038000000	usd
CY2010	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	8668000000	usd
CY2008	us-gaap	Proceeds From Sale Of Foreclosed Assets ProceedsFromSaleOfForeclosedAssets	1746000000	usd
CY2009	us-gaap	Proceeds From Sale Of Foreclosed Assets ProceedsFromSaleOfForeclosedAssets	3759000000	usd
CY2010	us-gaap	Proceeds From Sale Of Foreclosed Assets ProceedsFromSaleOfForeclosedAssets	5444000000	usd
CY2008	us-gaap	Professional Fees ProfessionalFees	847000000	usd
CY2009	us-gaap	Professional Fees ProfessionalFees	1982000000	usd
CY2010	us-gaap	Professional Fees ProfessionalFees	2370000000	usd
CY2009Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	18048000000	usd
CY2010Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	17785000000	usd
CY2009Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	10736000000	usd
CY2010Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	9644000000	usd
CY2006	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	2204000000	usd
CY2007	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	4939000000	usd
CY2008	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	15979000000	usd
CY2009	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	21668000000	usd
CY2010	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	15753000000	usd
CY2008	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	29859000000	usd
CY2009	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	66260000000	usd
CY2010	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	63317000000	usd
CY2008	us-gaap	Restricted Stock Expense RestrictedStockExpense	3000000	usd
CY2009	us-gaap	Restricted Stock Expense RestrictedStockExpense	3000000	usd
CY2010	us-gaap	Restricted Stock Expense RestrictedStockExpense	252000000	usd
CY2008Q4	us-gaap	Restructuring Reserve RestructuringReserve	199000000	usd
CY2009Q4	us-gaap	Restructuring Reserve RestructuringReserve	757000000	usd
CY2010Q4	us-gaap	Restructuring Reserve RestructuringReserve	0	usd
CY2009	us-gaap	Restructuring Reserve Accrual Adjustment RestructuringReserveAccrualAdjustment	1011000000	usd
CY2010	us-gaap	Restructuring Reserve Accrual Adjustment RestructuringReserveAccrualAdjustment	-123000000	usd
CY2009Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	41563000000	usd
CY2010Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	51918000000	usd
CY2009Q4	us-gaap	Securities Loaned SecuritiesLoaned	20000000000	usd
CY2010Q4	us-gaap	Securities Loaned SecuritiesLoaned	13600000000	usd
CY2008	us-gaap	Segment Reporting Information Income Loss Before Income Taxes SegmentReportingInformationIncomeLossBeforeIncomeTaxes	3300000000	usd
CY2009	us-gaap	Segment Reporting Information Income Loss Before Income Taxes SegmentReportingInformationIncomeLossBeforeIncomeTaxes	17998000000	usd
CY2010	us-gaap	Segment Reporting Information Income Loss Before Income Taxes SegmentReportingInformationIncomeLossBeforeIncomeTaxes	19001000000	usd
CY2008	us-gaap	Segment Reporting Information Income Tax Expense Benefit SegmentReportingInformationIncomeTaxExpenseBenefit	602000000	usd
CY2009	us-gaap	Segment Reporting Information Income Tax Expense Benefit SegmentReportingInformationIncomeTaxExpenseBenefit	5331000000	usd
CY2010	us-gaap	Segment Reporting Information Income Tax Expense Benefit SegmentReportingInformationIncomeTaxExpenseBenefit	6338000000	usd
CY2008	us-gaap	Segment Reporting Information Interest Income Expense Net SegmentReportingInformationInterestIncomeExpenseNet	25143000000	usd
CY2009	us-gaap	Segment Reporting Information Interest Income Expense Net SegmentReportingInformationInterestIncomeExpenseNet	46324000000	usd
CY2010	us-gaap	Segment Reporting Information Interest Income Expense Net SegmentReportingInformationInterestIncomeExpenseNet	44757000000	usd
CY2008	us-gaap	Segment Reporting Information Noninterest Expense SegmentReportingInformationNoninterestExpense	22598000000	usd
CY2009	us-gaap	Segment Reporting Information Noninterest Expense SegmentReportingInformationNoninterestExpense	49020000000	usd
CY2010	us-gaap	Segment Reporting Information Noninterest Expense SegmentReportingInformationNoninterestExpense	50456000000	usd
CY2008	us-gaap	Segment Reporting Information Noninterest Income SegmentReportingInformationNoninterestIncome	16734000000	usd
CY2009	us-gaap	Segment Reporting Information Noninterest Income SegmentReportingInformationNoninterestIncome	42362000000	usd
CY2010	us-gaap	Segment Reporting Information Noninterest Income SegmentReportingInformationNoninterestIncome	40453000000	usd
CY2008	us-gaap	Segment Reporting Information Provision For Credit Losses SegmentReportingInformationProvisionForCreditLosses	15979000000	usd
CY2009	us-gaap	Segment Reporting Information Provision For Credit Losses SegmentReportingInformationProvisionForCreditLosses	21668000000	usd
CY2010	us-gaap	Segment Reporting Information Provision For Credit Losses SegmentReportingInformationProvisionForCreditLosses	15753000000	usd
CY2009Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	1119000000	usd
CY2010Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	1419000000	usd
CY2009Q4	us-gaap	Servicing Asset At Fair Value Amount ServicingAssetAtFairValueAmount	16004000000	usd
CY2010Q4	us-gaap	Servicing Asset At Fair Value Amount ServicingAssetAtFairValueAmount	14467000000	usd
CY2008	us-gaap	Servicing Asset At Fair Value Changes In Fair Value Resulting From Changes In Valuation Inputs Or Changes In Assumptions ServicingAssetAtFairValueChangesInFairValueResultingFromChangesInValuationInputsOrChangesInAssumptions	3341000000	usd
CY2009	us-gaap	Servicing Asset At Fair Value Changes In Fair Value Resulting From Changes In Valuation Inputs Or Changes In Assumptions ServicingAssetAtFairValueChangesInFairValueResultingFromChangesInValuationInputsOrChangesInAssumptions	1534000000	usd
CY2010	us-gaap	Servicing Asset At Fair Value Changes In Fair Value Resulting From Changes In Valuation Inputs Or Changes In Assumptions ServicingAssetAtFairValueChangesInFairValueResultingFromChangesInValuationInputsOrChangesInAssumptions	2957000000	usd
CY2008	us-gaap	Servicing Asset At Fair Value Other Changes In Fair Value ServicingAssetAtFairValueOtherChangesInFairValue	2559000000	usd
CY2009	us-gaap	Servicing Asset At Fair Value Other Changes In Fair Value ServicingAssetAtFairValueOtherChangesInFairValue	3436000000	usd
CY2010	us-gaap	Servicing Asset At Fair Value Other Changes In Fair Value ServicingAssetAtFairValueOtherChangesInFairValue	2554000000	usd
CY2008	us-gaap	Servicing Asset At Fair Value Period Increase Decrease ServicingAssetAtFairValuePeriodIncreaseDecrease	-5900000000	usd
CY2009	us-gaap	Servicing Asset At Fair Value Period Increase Decrease ServicingAssetAtFairValuePeriodIncreaseDecrease	-4970000000	usd
CY2010	us-gaap	Servicing Asset At Fair Value Period Increase Decrease ServicingAssetAtFairValuePeriodIncreaseDecrease	-5511000000	usd
CY2008	us-gaap	Share Based Compensation ShareBasedCompensation	177000000	usd
CY2009	us-gaap	Share Based Compensation ShareBasedCompensation	245000000	usd
CY2010	us-gaap	Share Based Compensation ShareBasedCompensation	436000000	usd
CY2008	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	29.68
CY2009	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	19.04
CY2008	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Total Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue	1000000	usd
CY2009	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Payments ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendPayments	0.33	usd
CY2010	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Payments ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendPayments	0.20	usd
CY2008	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	4.1	usd
CY2008	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Term ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedTerm	4.4	pure
CY2009	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Term ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedTerm	4.5	pure
CY2010	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Term ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedTerm	1.3	pure
CY2008	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.224	pure
CY2009	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.539	pure
CY2010	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.443	pure
CY2008	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.027	pure
CY2009	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.018	pure
CY2010	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.0006	pure
CY2010Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant	255	shares
CY2008	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	348000000	usd
CY2009	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	50000000	usd
CY2010	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	298000000	usd
CY2008	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	4.06
CY2009	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	3.29
CY2010	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	6.11
CY2008Q4	us-gaap	Shares Held In Employee Stock Option Plan Allocated SharesHeldInEmployeeStockOptionPlanAllocated	74916583	shares
CY2009Q4	us-gaap	Shares Held In Employee Stock Option Plan Allocated SharesHeldInEmployeeStockOptionPlanAllocated	110157999	shares
CY2010Q4	us-gaap	Shares Held In Employee Stock Option Plan Allocated SharesHeldInEmployeeStockOptionPlanAllocated	118901327	shares
CY2008Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	108074000000	usd
CY2009Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	38966000000	usd
CY2010Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	55401000000	usd
CY2008	us-gaap	Shortterm Debt Average Outstanding Amount ShorttermDebtAverageOutstandingAmount	65826000000	usd
CY2009	us-gaap	Shortterm Debt Average Outstanding Amount ShorttermDebtAverageOutstandingAmount	51972000000	usd
CY2010	us-gaap	Shortterm Debt Average Outstanding Amount ShorttermDebtAverageOutstandingAmount	46824000000	usd
CY2008Q4	us-gaap	Short Term Debt Weighted Average Interest Rate ShortTermDebtWeightedAverageInterestRate	0.0104	pure
CY2009Q4	us-gaap	Short Term Debt Weighted Average Interest Rate ShortTermDebtWeightedAverageInterestRate	0.0018	pure
CY2010Q4	us-gaap	Short Term Debt Weighted Average Interest Rate ShortTermDebtWeightedAverageInterestRate	0.0019	pure
CY2009Q4	us-gaap	Stockholders Equity StockholdersEquity	111786000000	usd
CY2010Q4	us-gaap	Stockholders Equity StockholdersEquity	126408000000	usd
CY2007Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	47886000000	usd
CY2008Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	102316000000	usd
CY2009Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	114359000000	usd
CY2010Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	127889000000	usd
CY2008	us-gaap	Stockholders Equity Other StockholdersEquityOther	-41000000	usd
CY2008	us-gaap	Stockholders Equity Period Increase Decrease StockholdersEquityPeriodIncreaseDecrease	54430000000	usd
CY2009	us-gaap	Stockholders Equity Period Increase Decrease StockholdersEquityPeriodIncreaseDecrease	12043000000	usd
CY2010	us-gaap	Stockholders Equity Period Increase Decrease StockholdersEquityPeriodIncreaseDecrease	13530000000	usd
CY2008	us-gaap	Stock Issued During Period Value Acquisitions StockIssuedDuringPeriodValueAcquisitions	14601000000	usd
CY2008	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	22674000000	usd
CY2008	us-gaap	Stock Option Plan Expense StockOptionPlanExpense	174000000	usd
CY2009	us-gaap	Stock Option Plan Expense StockOptionPlanExpense	221000000	usd
CY2010	us-gaap	Stock Option Plan Expense StockOptionPlanExpense	118000000	usd
CY2009	us-gaap	Stock Redeemed Or Called During Period Value StockRedeemedOrCalledDuringPeriodValue	-25000000000	usd
CY2008	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	1623000000	usd
CY2009	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	220000000	usd
CY2010	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	91000000	usd
CY2008	us-gaap	Supplies And Postage Expense SuppliesAndPostageExpense	556000000	usd
CY2009	us-gaap	Supplies And Postage Expense SuppliesAndPostageExpense	933000000	usd
CY2010	us-gaap	Supplies And Postage Expense SuppliesAndPostageExpense	944000000	usd
CY2010Q4	us-gaap	Tier One Leverage Capital Required For Capital Adequacy To Average Assets TierOneLeverageCapitalRequiredForCapitalAdequacyToAverageAssets	0.04	pure
CY2010Q4	us-gaap	Tier One Leverage Capital Required To Be Well Capitalized To Average Assets TierOneLeverageCapitalRequiredToBeWellCapitalizedToAverageAssets	0.05	pure
CY2010Q4	us-gaap	Tier One Risk Based Capital Required For Capital Adequacy To Risk Weighted Assets TierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets	0.04	pure
CY2010Q4	us-gaap	Tier One Risk Based Capital Required To Be Well Capitalized To Risk Weighted Assets TierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets	0.06	pure
CY2010Q4	us-gaap	Time Deposit Maturities After Year Five TimeDepositMaturitiesAfterYearFive	2500000000	usd
CY2010Q4	us-gaap	Time Deposit Maturities Year Five TimeDepositMaturitiesYearFive	7024000000	usd
CY2010Q4	us-gaap	Time Deposit Maturities Year Four TimeDepositMaturitiesYearFour	3831000000	usd
CY2010Q4	us-gaap	Time Deposit Maturities Year One TimeDepositMaturitiesYearOne	43612000000	usd
CY2010Q4	us-gaap	Time Deposit Maturities Year Three TimeDepositMaturitiesYearThree	17977000000	usd
CY2010Q4	us-gaap	Time Deposit Maturities Year Two TimeDepositMaturitiesYearTwo	15624000000	usd
CY2009Q4	us-gaap	Time Deposits TimeDeposits	117000000000	usd
CY2010Q4	us-gaap	Time Deposits TimeDeposits	90568000000	usd
CY2009Q4	us-gaap	Time Deposits100000 Or More Domestic TimeDeposits100000OrMoreDomestic	43700000000	usd
CY2010Q4	us-gaap	Time Deposits100000 Or More Domestic TimeDeposits100000OrMoreDomestic	33861000000	usd
CY2009Q4	us-gaap	Time Deposits100000 Or More Foreign TimeDeposits100000OrMoreForeign	20400000000	usd
CY2010Q4	us-gaap	Time Deposits100000 Or More Foreign TimeDeposits100000OrMoreForeign	16700000000	usd
CY2008	us-gaap	Trading Activity Gains And Losses Net TradingActivityGainsAndLossesNet	275000000	usd
CY2009	us-gaap	Trading Activity Gains And Losses Net TradingActivityGainsAndLossesNet	2674000000	usd
CY2010	us-gaap	Trading Activity Gains And Losses Net TradingActivityGainsAndLossesNet	1648000000	usd
CY2009Q4	us-gaap	Trading Securities TradingSecurities	43039000000	usd
CY2010Q4	us-gaap	Trading Securities TradingSecurities	51414000000	usd
CY2010Q4	us-gaap	Trading Securities Fair Value Disclosure TradingSecuritiesFairValueDisclosure	33051000000	usd
CY2008	us-gaap	Transfer Of Portfolio Loans And Leases To Held For Sale TransferOfPortfolioLoansAndLeasesToHeldForSale	1640000000	usd
CY2009	us-gaap	Transfer Of Portfolio Loans And Leases To Held For Sale TransferOfPortfolioLoansAndLeasesToHeldForSale	-111000000	usd
CY2010	us-gaap	Transfer Of Portfolio Loans And Leases To Held For Sale TransferOfPortfolioLoansAndLeasesToHeldForSale	1313000000	usd
CY2009Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	67346829	shares
CY2010Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	10131394	shares
CY2009Q4	us-gaap	Treasury Stock Value TreasuryStockValue	2450000000	usd
CY2010Q4	us-gaap	Treasury Stock Value TreasuryStockValue	487000000	usd
CY2009Q4	us-gaap	Unearned Esop Shares UnearnedESOPShares	442000000	usd
CY2010Q4	us-gaap	Unearned Esop Shares UnearnedESOPShares	663000000	usd
CY2008Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	7521000000	usd
CY2009Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	4921000000	usd
CY2010Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	5500000000	usd
CY2009	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	834000000	usd
CY2010	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	111000000	usd
CY2009	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	3033000000	usd
CY2010	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	42000000	usd
CY2009	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	438000000	usd
CY2010	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	579000000	usd
CY2009	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	898000000	usd
CY2010	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	301000000	usd
CY2009	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	75000000	usd
CY2010	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	148000000	usd
CY2010Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	3100000000	usd
CY2010	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Provisions Recoveries ValuationAllowanceForImpairmentOfRecognizedServicingAssetsProvisionsRecoveries	-3000000	usd
CY2008	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	13100000	shares
CY2009	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	17200000	shares
CY2010	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	28300000	shares
CY2008	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	3391300000	shares
CY2009	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	4562700000	shares
CY2010	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	5263100000	shares
CY2008	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	3378100000	shares
CY2009	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	4545200000	shares
CY2010	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	5226800000	shares
CY2009Q4	wfc	Aggregate Fair Value Of Derivative Loan Commitments Net Asset Liability AggregateFairValueOfDerivativeLoanCommitmentsNetAssetLiability	-312000000	usd
CY2010Q4	wfc	Aggregate Fair Value Of Derivative Loan Commitments Net Asset Liability AggregateFairValueOfDerivativeLoanCommitmentsNetAssetLiability	-271000000	usd
CY2006	wfc	Allowance For Credit Losses As Percentage Of Total Loans AllowanceForCreditLossesAsPercentageOfTotalLoans	0.0124	pure
CY2007	wfc	Allowance For Credit Losses As Percentage Of Total Loans AllowanceForCreditLossesAsPercentageOfTotalLoans	0.0144	pure
CY2008	wfc	Allowance For Credit Losses As Percentage Of Total Loans AllowanceForCreditLossesAsPercentageOfTotalLoans	0.0251	pure
CY2009	wfc	Allowance For Credit Losses As Percentage Of Total Loans AllowanceForCreditLossesAsPercentageOfTotalLoans	0.032	pure
CY2010	wfc	Allowance For Credit Losses As Percentage Of Total Loans AllowanceForCreditLossesAsPercentageOfTotalLoans	0.031	pure
CY2006	wfc	Allowance For Loan Losses As Percentage Of Total Loans AllowanceForLoanLossesAsPercentageOfTotalLoans	0.0118	pure
CY2007	wfc	Allowance For Loan Losses As Percentage Of Total Loans AllowanceForLoanLossesAsPercentageOfTotalLoans	0.0139	pure
CY2008	wfc	Allowance For Loan Losses As Percentage Of Total Loans AllowanceForLoanLossesAsPercentageOfTotalLoans	0.0243	pure
CY2009	wfc	Allowance For Loan Losses As Percentage Of Total Loans AllowanceForLoanLossesAsPercentageOfTotalLoans	0.0313	pure
CY2010	wfc	Allowance For Loan Losses As Percentage Of Total Loans AllowanceForLoanLossesAsPercentageOfTotalLoans	0.0304	pure
CY2006Q4	wfc	Allowance For Unfunded Credit Commitments AllowanceForUnfundedCreditCommitments	200000000	usd
CY2007Q4	wfc	Allowance For Unfunded Credit Commitments AllowanceForUnfundedCreditCommitments	211000000	usd
CY2008Q4	wfc	Allowance For Unfunded Credit Commitments AllowanceForUnfundedCreditCommitments	698000000	usd
CY2009Q4	wfc	Allowance For Unfunded Credit Commitments AllowanceForUnfundedCreditCommitments	515000000	usd
CY2010Q4	wfc	Allowance For Unfunded Credit Commitments AllowanceForUnfundedCreditCommitments	441000000	usd
CY2010Q1	wfc	Allowances Related To Adoption Of Consolidation Accounting Guidance AllowancesRelatedToAdoptionOfConsolidationAccountingGuidance	693000000	usd
CY2009Q4	wfc	Alternative Investments Fair Value Disclosure AlternativeInvestmentsFairValueDisclosure	2657000000	usd
CY2010Q4	wfc	Alternative Investments Fair Value Disclosure AlternativeInvestmentsFairValueDisclosure	3669000000	usd
CY2009Q4	wfc	Assets Other AssetsOther	199890000000	usd
CY2010Q4	wfc	Assets Other AssetsOther	201495000000	usd
CY2009Q4	wfc	Available For Sale Securities Continuous Unrealized Loss Position12 Months Or Longer Aggregate Losses2010 AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAggregateLosses2010	4553000000	usd
CY2010Q4	wfc	Available For Sale Securities Continuous Unrealized Loss Position12 Months Or Longer Aggregate Losses2010 AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAggregateLosses2010	2158000000	usd
CY2009Q4	wfc	Available For Sale Securities Continuous Unrealized Loss Position Aggregate Losses2010 AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAggregateLosses2010	5056000000	usd
CY2010Q4	wfc	Available For Sale Securities Continuous Unrealized Loss Position Aggregate Losses2010 AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAggregateLosses2010	2711000000	usd
CY2009Q4	wfc	Available For Sale Securities Continuous Unrealized Loss Position Less Than12 Months Aggregate Losses2010 AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAggregateLosses2010	503000000	usd
CY2010Q4	wfc	Available For Sale Securities Continuous Unrealized Loss Position Less Than12 Months Aggregate Losses2010 AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAggregateLosses2010	553000000	usd
CY2009Q4	wfc	Available For Sale Securities Gross Unrealized Gain AvailableForSaleSecuritiesGrossUnrealizedGain	10703000000	usd
CY2010Q4	wfc	Available For Sale Securities Gross Unrealized Gain AvailableForSaleSecuritiesGrossUnrealizedGain	11036000000	usd
CY2009Q4	wfc	Available For Sale Securities Gross Unrealized Losses New AvailableForSaleSecuritiesGrossUnrealizedLossesNew	5056000000	usd
CY2010Q4	wfc	Available For Sale Securities Gross Unrealized Losses New AvailableForSaleSecuritiesGrossUnrealizedLossesNew	2711000000	usd
CY2009Q4	wfc	Available For Sale Securities Investment Grade Fair Value AvailableForSaleSecuritiesInvestmentGradeFairValue	19117000000	usd
CY2010Q4	wfc	Available For Sale Securities Investment Grade Fair Value AvailableForSaleSecuritiesInvestmentGradeFairValue	27477000000	usd
CY2009Q4	wfc	Available For Sale Securities Investment Grade Gross Unrealized Losses New AvailableForSaleSecuritiesInvestmentGradeGrossUnrealizedLossesNew	2310000000	usd
CY2010Q4	wfc	Available For Sale Securities Investment Grade Gross Unrealized Losses New AvailableForSaleSecuritiesInvestmentGradeGrossUnrealizedLossesNew	1480000000	usd
CY2009Q4	wfc	Available For Sale Securities Noninvestment Grade Fair Value AvailableForSaleSecuritiesNoninvestmentGradeFairValue	9285000000	usd
CY2010Q4	wfc	Available For Sale Securities Noninvestment Grade Fair Value AvailableForSaleSecuritiesNoninvestmentGradeFairValue	7177000000	usd
CY2009Q4	wfc	Available For Sale Securities Noninvestment Grade Gross Unrealized Losses New AvailableForSaleSecuritiesNoninvestmentGradeGrossUnrealizedLossesNew	2737000000	usd
CY2010Q4	wfc	Available For Sale Securities Noninvestment Grade Gross Unrealized Losses New AvailableForSaleSecuritiesNoninvestmentGradeGrossUnrealizedLossesNew	1230000000	usd
CY2009	wfc	Average Cash Reserve Deposit Required And Made Federal Reserve Banks AverageCashReserveDepositRequiredAndMadeFederalReserveBanks	2400000000	usd
CY2010	wfc	Average Cash Reserve Deposit Required And Made Federal Reserve Banks AverageCashReserveDepositRequiredAndMadeFederalReserveBanks	6000000000	usd
CY2009Q4	wfc	Basis Swaps Combined With Receive Fixed Rate Pay Floating Rate Swaps Notional BasisSwapsCombinedWithReceiveFixedRatePayFloatingRateSwapsNotional	20900000000	usd
CY2010Q4	wfc	Basis Swaps Combined With Receive Fixed Rate Pay Floating Rate Swaps Notional BasisSwapsCombinedWithReceiveFixedRatePayFloatingRateSwapsNotional	20900000000	usd
CY2010	wfc	Capital Notes And Term Loans Made To Subsidiaries CapitalNotesAndTermLoansMadeToSubsidiaries	0	usd
CY2009Q4	wfc	Carrying Value Of Operating Lease Assets CarryingValueOfOperatingLeaseAssets	2395000000	usd
CY2010Q4	wfc	Carrying Value Of Operating Lease Assets CarryingValueOfOperatingLeaseAssets	1873000000	usd
CY2009Q4	wfc	Cash And Cash Equivalents Due From Nonaffiliates CashAndCashEquivalentsDueFromNonaffiliates	67965000000	usd
CY2010Q4	wfc	Cash And Cash Equivalents Due From Nonaffiliates CashAndCashEquivalentsDueFromNonaffiliates	96681000000	usd
CY2009Q4	wfc	Cash And Cash Equivalents Due From Subsidiary Banks CashAndCashEquivalentsDueFromSubsidiaryBanks	0	usd
CY2010Q4	wfc	Cash And Cash Equivalents Due From Subsidiary Banks CashAndCashEquivalentsDueFromSubsidiaryBanks	0	usd
CY2009Q4	wfc	Cash And Securities Held As Collateral For Loaned Securities CashAndSecuritiesHeldAsCollateralForLoanedSecurities	20700000000	usd
CY2010Q4	wfc	Cash And Securities Held As Collateral For Loaned Securities CashAndSecuritiesHeldAsCollateralForLoanedSecurities	14000000000	usd
CY2009	wfc	Certain Loan Acquired In Transfer Not Accounted For As Debt Securities Allowance For Loan Losses Decreases CertainLoanAcquiredInTransferNotAccountedForAsDebtSecuritiesAllowanceForLoanLossesDecreases	520000000	usd
CY2010	wfc	Certain Loan Acquired In Transfer Not Accounted For As Debt Securities Allowance For Loan Losses Decreases CertainLoanAcquiredInTransferNotAccountedForAsDebtSecuritiesAllowanceForLoanLossesDecreases	806000000	usd
CY2009	wfc	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Changes In Expected Cash Flows That Do Not Affect Nonaccretable Difference CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesChangesInExpectedCashFlowsThatDoNotAffectNonaccretableDifference	6277000000	usd
CY2010	wfc	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Changes In Expected Cash Flows That Do Not Affect Nonaccretable Difference CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesChangesInExpectedCashFlowsThatDoNotAffectNonaccretableDifference	1191000000	usd
CY2008	wfc	Changes In Noncontrolling Interest Net ChangesInNoncontrollingInterestNet	-53000000	usd
CY2009	wfc	Changes In Noncontrolling Interest Net ChangesInNoncontrollingInterestNet	-553000000	usd
CY2010	wfc	Changes In Noncontrolling Interest Net ChangesInNoncontrollingInterestNet	-592000000	usd
CY2008	wfc	Commission And Incentive Compensation CommissionAndIncentiveCompensation	2676000000	usd
CY2009	wfc	Commission And Incentive Compensation CommissionAndIncentiveCompensation	8021000000	usd
CY2010	wfc	Commission And Incentive Compensation CommissionAndIncentiveCompensation	8692000000	usd
CY2010Q4	wfc	Common Stock Capital Shares Not Reserved CommonStockCapitalSharesNotReserved	2945450305	shares
CY2010	wfc	Common Stock Issued To Pay Annual Bonus Awards Fair Value CommonStockIssuedToPayAnnualBonusAwardsFairValue	94000000	usd
CY2008	wfc	Cost And Equity Method Other Than Temporary Impairment CostAndEquityMethodOtherThanTemporaryImpairment	220000000	usd
CY2009	wfc	Cost And Equity Method Other Than Temporary Impairment CostAndEquityMethodOtherThanTemporaryImpairment	573000000	usd
CY2010	wfc	Cost And Equity Method Other Than Temporary Impairment CostAndEquityMethodOtherThanTemporaryImpairment	248000000	usd
CY2009Q4	wfc	Credit Derivative Notional Amount Net Protection Sold And Purchased CreditDerivativeNotionalAmountNetProtectionSoldAndPurchased	25281000000	usd
CY2010Q4	wfc	Credit Derivative Notional Amount Net Protection Sold And Purchased CreditDerivativeNotionalAmountNetProtectionSoldAndPurchased	21204000000	usd
CY2009Q4	wfc	Credit Derivative Notional Amount Protection Sold Non Investment Grade CreditDerivativeNotionalAmountProtectionSoldNonInvestmentGrade	41928000000	usd
CY2010Q4	wfc	Credit Derivative Notional Amount Protection Sold Non Investment Grade CreditDerivativeNotionalAmountProtectionSoldNonInvestmentGrade	29075000000	usd
CY2009Q4	wfc	Credit Derivative Notional Amount Purchased Credit Protection Other CreditDerivativeNotionalAmountPurchasedCreditProtectionOther	23584000000	usd
CY2010Q4	wfc	Credit Derivative Notional Amount Purchased Credit Protection Other CreditDerivativeNotionalAmountPurchasedCreditProtectionOther	16955000000	usd
CY2009	wfc	Cumulative Effect For Change In Accounting For Other Than Temporary Impairment On Debt Securities CumulativeEffectForChangeInAccountingForOtherThanTemporaryImpairmentOnDebtSecurities	-53000000	usd
CY2010	wfc	Cumulative Effect From Change In Accounting For Embedded Credit Derivatives CumulativeEffectFromChangeInAccountingForEmbeddedCreditDerivatives	28000000	usd
CY2007	wfc	Cumulative Effect From Change In Accounting For Post Retirement Benefits CumulativeEffectFromChangeInAccountingForPostRetirementBenefits	20000000	usd
CY2010	wfc	Cumulative Effect From Change In Accounting For Variable Interest Entities CumulativeEffectFromChangeInAccountingForVariableInterestEntities	183000000	usd
CY2010	wfc	Decrease In Noncontrolling Interests Due To Deconsolidation Of Subsidiaries DecreaseInNoncontrollingInterestsDueToDeconsolidationOfSubsidiaries	440000000	usd
CY2010	wfc	Decrease In Retained Earnings As Result Of Adoption Of New Accounting Pronouncement Or Change In Accounting Principle DecreaseInRetainedEarningsAsResultOfAdoptionOfNewAccountingPronouncementOrChangeInAccountingPrinciple	28000000	usd
CY2009Q4	wfc	Deferred Tax Assets Investment In Noncontrolled Affiliates DeferredTaxAssetsInvestmentInNoncontrolledAffiliates	208000000	usd
CY2010Q4	wfc	Deferred Tax Assets Investment In Noncontrolled Affiliates DeferredTaxAssetsInvestmentInNoncontrolledAffiliates	2598000000	usd
CY2009Q4	wfc	Deferred Tax Assets Tax Deferred Adjustments Related To Certain Loans Acquired In A Transfer Not Accounted For As Debt Securities DeferredTaxAssetsTaxDeferredAdjustmentsRelatedToCertainLoansAcquiredInATransferNotAccountedForAsDebtSecurities	8645000000	usd
CY2010Q4	wfc	Deferred Tax Assets Tax Deferred Adjustments Related To Certain Loans Acquired In A Transfer Not Accounted For As Debt Securities DeferredTaxAssetsTaxDeferredAdjustmentsRelatedToCertainLoansAcquiredInATransferNotAccountedForAsDebtSecurities	4933000000	usd
CY2009Q4	wfc	Deferred Tax Assets Tax Deferred Adjustments Related To Mark To Market Adjustments On Loans Held To Maturity DeferredTaxAssetsTaxDeferredAdjustmentsRelatedToMarkToMarketAdjustmentsOnLoansHeldToMaturity	0	usd
CY2010Q4	wfc	Deferred Tax Assets Tax Deferred Adjustments Related To Mark To Market Adjustments On Loans Held To Maturity DeferredTaxAssetsTaxDeferredAdjustmentsRelatedToMarkToMarketAdjustmentsOnLoansHeldToMaturity	0	usd
CY2009Q4	wfc	Deferred Tax Assets Tax Deferred Adjustments Related To Net Operating Loss And Tax Credit Carry Forwards DeferredTaxAssetsTaxDeferredAdjustmentsRelatedToNetOperatingLossAndTaxCreditCarryForwards	3370000000	usd
CY2010Q4	wfc	Deferred Tax Assets Tax Deferred Adjustments Related To Net Operating Loss And Tax Credit Carry Forwards DeferredTaxAssetsTaxDeferredAdjustmentsRelatedToNetOperatingLossAndTaxCreditCarryForwards	1514000000	usd
CY2009Q4	wfc	Deferred Tax Liabilities Tax Deferred Adjustments Related To Mark To Market Adjustments On Available For Sale Securities DeferredTaxLiabilitiesTaxDeferredAdjustmentsRelatedToMarkToMarketAdjustmentsOnAvailableForSaleSecurities	4853000000	usd
CY2010Q4	wfc	Deferred Tax Liabilities Tax Deferred Adjustments Related To Mark To Market Adjustments On Available For Sale Securities DeferredTaxLiabilitiesTaxDeferredAdjustmentsRelatedToMarkToMarketAdjustmentsOnAvailableForSaleSecurities	5161000000	usd
	wfc	Defined Benefit Plan Amortization Life For Actuarial Gains And Losses Number Of Years DefinedBenefitPlanAmortizationLifeForActuarialGainsAndLossesNumberOfYears	5	pure
	wfc	Defined Benefit Plan Amortization Life For Actuarial Gains And Losses Number Of Years DefinedBenefitPlanAmortizationLifeForActuarialGainsAndLossesNumberOfYears	13	pure
CY2009Q2	wfc	Defined Benefit Plan Decrease In Fair Value Of Plan Assets Due To Freezing And Remeasurement Of Noncontributory Defined Benefit Retirement Plans DefinedBenefitPlanDecreaseInFairValueOfPlanAssetsDueToFreezingAndRemeasurementOfNoncontributoryDefinedBenefitRetirementPlans	150000000	usd
CY2010Q2	wfc	Defined Benefit Plan Decrease In Fair Value Of Plan Assets Due To Freezing And Remeasurement Of Noncontributory Defined Benefit Retirement Plans DefinedBenefitPlanDecreaseInFairValueOfPlanAssetsDueToFreezingAndRemeasurementOfNoncontributoryDefinedBenefitRetirementPlans	0	usd
CY2009	wfc	Defined Benefit Plan Decrease In Pension Expense Due To Reducing Amortzation Life Of Actuarial Gains And Losses Due To Freezing And Remeasurement Of Noncontributory Defined Benefit Retirement Plans DefinedBenefitPlanDecreaseInPensionExpenseDueToReducingAmortzationLifeOfActuarialGainsAndLossesDueToFreezingAndRemeasurementOfNoncontributoryDefinedBenefitRetirementPlans	500000000	usd
CY2010	wfc	Defined Benefit Plan Decrease In Pension Expense Due To Reducing Amortzation Life Of Actuarial Gains And Losses Due To Freezing And Remeasurement Of Noncontributory Defined Benefit Retirement Plans DefinedBenefitPlanDecreaseInPensionExpenseDueToReducingAmortzationLifeOfActuarialGainsAndLossesDueToFreezingAndRemeasurementOfNoncontributoryDefinedBenefitRetirementPlans	0	usd
CY2009Q2	wfc	Defined Benefit Plan Decrease In Pension Obligations Due To Freezing And Remeasurement Of Noncontributory Defined Benefit Retirement Plans DefinedBenefitPlanDecreaseInPensionObligationsDueToFreezingAndRemeasurementOfNoncontributoryDefinedBenefitRetirementPlans	945000000	usd
CY2010Q2	wfc	Defined Benefit Plan Decrease In Pension Obligations Due To Freezing And Remeasurement Of Noncontributory Defined Benefit Retirement Plans DefinedBenefitPlanDecreaseInPensionObligationsDueToFreezingAndRemeasurementOfNoncontributoryDefinedBenefitRetirementPlans	0	usd
	wfc	Defined Benefit Plan Discount Rate Used For Remeasurement Of Plan Assets Due To Freezing And Remeasurement Of Noncontributory Defined Benefit Retirement Plans DefinedBenefitPlanDiscountRateUsedForRemeasurementOfPlanAssetsDueToFreezingAndRemeasurementOfNoncontributoryDefinedBenefitRetirementPlans	0.0775	pure
CY2009	wfc	Defined Benefits Plan One Time Curtailment Gains Included In Decrease In Pension Expense Due To Reducing Amortzation Life Of Actuarial Gains And Losses Due To Freezing And Remeasurement Of Noncontributory Defined Benefit Retirement Plans DefinedBenefitsPlanOneTimeCurtailmentGainsIncludedInDecreaseInPensionExpenseDueToReducingAmortzationLifeOfActuarialGainsAndLossesDueToFreezingAndRemeasurementOfNoncontributoryDefinedBenefitRetirementPlans	67000000	usd
CY2010Q2	wfc	Defined Benefits Plan One Time Curtailment Gains Included In Decrease In Pension Expense Due To Reducing Amortzation Life Of Actuarial Gains And Losses Due To Freezing And Remeasurement Of Noncontributory Defined Benefit Retirement Plans DefinedBenefitsPlanOneTimeCurtailmentGainsIncludedInDecreaseInPensionExpenseDueToReducingAmortzationLifeOfActuarialGainsAndLossesDueToFreezingAndRemeasurementOfNoncontributoryDefinedBenefitRetirementPlans	0	usd
CY2009	wfc	Defined Contribution Plan Employer Contribution In Shares Of Common Stock To Plan Accounts Of Employees Dollar Amount DefinedContributionPlanEmployerContributionInSharesOfCommonStockToPlanAccountsOfEmployeesDollarAmount	150000000	usd
CY2010	wfc	Defined Contribution Plan Employer Contribution In Shares Of Common Stock To Plan Accounts Of Employees Dollar Amount DefinedContributionPlanEmployerContributionInSharesOfCommonStockToPlanAccountsOfEmployeesDollarAmount	316000000	usd
CY2009Q4	wfc	Delinquent Amount At End Of Period On Loans Securitized DelinquentAmountAtEndOfPeriodOnLoansSecuritized	7677000000	usd
CY2010Q4	wfc	Delinquent Amount At End Of Period On Loans Securitized DelinquentAmountAtEndOfPeriodOnLoansSecuritized	5377000000	usd
CY2010Q4	wfc	Derivative Fair Value Of Derivative Assets Netting DerivativeFairValueOfDerivativeAssetsNetting	63469000000	usd
CY2010Q4	wfc	Derivative Fair Value Of Derivative Liabilities Netting DerivativeFairValueOfDerivativeLiabilitiesNetting	70009000000	usd
CY2009	wfc	Derivative Net Hedge Ineffectiveness Gain Loss Component Recognized On Derivative DerivativeNetHedgeIneffectivenessGainLossComponentRecognizedOnDerivative	-200000000	usd
CY2010	wfc	Derivative Net Hedge Ineffectiveness Gain Loss Component Recognized On Derivative DerivativeNetHedgeIneffectivenessGainLossComponentRecognizedOnDerivative	372000000	usd
CY2009	wfc	Derivative Net Hedge Ineffectiveness Gain Loss Component Recognized On Hedged Item DerivativeNetHedgeIneffectivenessGainLossComponentRecognizedOnHedgedItem	66000000	usd
CY2010	wfc	Derivative Net Hedge Ineffectiveness Gain Loss Component Recognized On Hedged Item DerivativeNetHedgeIneffectivenessGainLossComponentRecognizedOnHedgedItem	-263000000	usd
CY2010Q4	wfc	Fair Value Assets Measured On Nonrecurring Basis Mortgage Servicing Rights FairValueAssetsMeasuredOnNonrecurringBasisMortgageServicingRights	104000000	usd
CY2009Q4	wfc	Fair Value Assets Measured On Nonrecurring Basis Mortgages Held For Sale FairValueAssetsMeasuredOnNonrecurringBasisMortgagesHeldForSale	1816000000	usd
CY2010Q4	wfc	Fair Value Assets Measured On Nonrecurring Basis Mortgages Held For Sale FairValueAssetsMeasuredOnNonrecurringBasisMortgagesHeldForSale	2891000000	usd
CY2009Q4	wfc	Fair Value Assets Measured On Nonrecurring Basis Other Assets FairValueAssetsMeasuredOnNonrecurringBasisOtherAssets	408000000	usd
CY2010Q4	wfc	Fair Value Assets Measured On Nonrecurring Basis Other Assets FairValueAssetsMeasuredOnNonrecurringBasisOtherAssets	847000000	usd
CY2009Q4	wfc	Fair Value Assets Measured On Recurring Basis Assets FairValueAssetsMeasuredOnRecurringBasisAssets	277394000000	usd
CY2010Q4	wfc	Fair Value Assets Measured On Recurring Basis Assets FairValueAssetsMeasuredOnRecurringBasisAssets	293110000000	usd
CY2009Q4	wfc	Fair Value Investments Entities That Calculate Net Asset Value Per Share Unfunded Commitments FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareUnfundedCommitments	387000000	usd
CY2010Q4	wfc	Fair Value Investments Entities That Calculate Net Asset Value Per Share Unfunded Commitments FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareUnfundedCommitments	705000000	usd
CY2010Q4	wfc	Fair Value Liabilities Measured On Recurring Basis Liabilities FairValueLiabilitiesMeasuredOnRecurringBasisLiabilities	21244000000	usd
CY2009Q4	wfc	Fair Value Net Liability Asset From Economic Hedges Related To Mortgage Servicing Activities FairValueNetLiabilityAssetFromEconomicHedgesRelatedToMortgageServicingActivities	-961000000	usd
CY2010Q4	wfc	Fair Value Net Liability Asset From Economic Hedges Related To Mortgage Servicing Activities FairValueNetLiabilityAssetFromEconomicHedgesRelatedToMortgageServicingActivities	-943000000	usd
CY2010Q1	wfc	Fair Value Of Loans For Which Fair Value Option Elected Upon Consolidation FairValueOfLoansForWhichFairValueOptionElectedUponConsolidation	1000000000	usd
CY2010Q1	wfc	Fair Value Of Long Term Debt For Which Fair Value Option Elected Upon Consolidation FairValueOfLongTermDebtForWhichFairValueOptionElectedUponConsolidation	1000000000	usd
CY2009Q4	wfc	Federal Funds Sold Securities Purchased Under Resale Agreements And Other Short Term Investments FederalFundsSoldSecuritiesPurchasedUnderResaleAgreementsAndOtherShortTermInvestments	40885000000	usd
CY2010Q4	wfc	Federal Funds Sold Securities Purchased Under Resale Agreements And Other Short Term Investments FederalFundsSoldSecuritiesPurchasedUnderResaleAgreementsAndOtherShortTermInvestments	80637000000	usd
CY2008	wfc	Fees And Commission Mortgage Banking FeesAndCommissionMortgageBanking	2525000000	usd
CY2009	wfc	Fees And Commission Mortgage Banking FeesAndCommissionMortgageBanking	12028000000	usd
CY2010	wfc	Fees And Commission Mortgage Banking FeesAndCommissionMortgageBanking	9737000000	usd
CY2008	wfc	Fees And Commissions Credit Card FeesAndCommissionsCreditCard	2336000000	usd
CY2009	wfc	Fees And Commissions Credit Card FeesAndCommissionsCreditCard	3683000000	usd
CY2010	wfc	Fees And Commissions Credit Card FeesAndCommissionsCreditCard	3652000000	usd
CY2008	wfc	Fees And Commissions Depositors Accounts FeesAndCommissionsDepositorsAccounts	3190000000	usd
CY2009	wfc	Fees And Commissions Depositors Accounts FeesAndCommissionsDepositorsAccounts	5741000000	usd
CY2010	wfc	Fees And Commissions Depositors Accounts FeesAndCommissionsDepositorsAccounts	4916000000	usd
CY2010	wfc	Financial Assets Transferred In Securitizations FinancialAssetsTransferredInSecuritizations	379000000000	usd
CY2010Q4	wfc	Financing Receivable Acquired With Deteriorated Credit Quality FinancingReceivableAcquiredWithDeterioratedCreditQuality	41430000000	usd
CY2008Q4	wfc	Financing Receivable Acquired With Deteriorated Credit Quality Carrying Value FinancingReceivableAcquiredWithDeterioratedCreditQualityCarryingValue	58797000000	usd
CY2009Q4	wfc	Financing Receivable Acquired With Deteriorated Credit Quality Carrying Value FinancingReceivableAcquiredWithDeterioratedCreditQualityCarryingValue	51705000000	usd
CY2010Q4	wfc	Financing Receivable Acquired With Deteriorated Credit Quality Carrying Value FinancingReceivableAcquiredWithDeterioratedCreditQualityCarryingValue	41430000000	usd
CY2005Q4	wfc	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	4057000000	usd
CY2006Q4	wfc	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	3964000000	usd
CY2007Q4	wfc	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	5518000000	usd
CY2008Q4	wfc	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	21711000000	usd
CY2009Q4	wfc	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	25031000000	usd
CY2010Q4	wfc	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	23463000000	usd
CY2010Q4	wfc	Financing Receivable Allowance For Credit Losses Acquired With Deteriorated Credit Quality FinancingReceivableAllowanceForCreditLossesAcquiredWithDeterioratedCreditQuality	298000000	usd
CY2010Q4	wfc	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	16963000000	usd
CY2006	wfc	Financing Receivable Allowance For Credit Losses Decrease For Passage Of Time On Certain Impaired Loans FinancingReceivableAllowanceForCreditLossesDecreaseForPassageOfTimeOnCertainImpairedLoans	0	usd
CY2007	wfc	Financing Receivable Allowance For Credit Losses Decrease For Passage Of Time On Certain Impaired Loans FinancingReceivableAllowanceForCreditLossesDecreaseForPassageOfTimeOnCertainImpairedLoans	0	usd
CY2008	wfc	Financing Receivable Allowance For Credit Losses Decrease For Passage Of Time On Certain Impaired Loans FinancingReceivableAllowanceForCreditLossesDecreaseForPassageOfTimeOnCertainImpairedLoans	0	usd
CY2009	wfc	Financing Receivable Allowance For Credit Losses Decrease For Passage Of Time On Certain Impaired Loans FinancingReceivableAllowanceForCreditLossesDecreaseForPassageOfTimeOnCertainImpairedLoans	0	usd
CY2010	wfc	Financing Receivable Allowance For Credit Losses Decrease For Passage Of Time On Certain Impaired Loans FinancingReceivableAllowanceForCreditLossesDecreaseForPassageOfTimeOnCertainImpairedLoans	266000000	usd
CY2010Q4	wfc	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment	6202000000	usd
CY2006	wfc	Financing Receivable Allowance For Credit Losses Net Write Offs FinancingReceivableAllowanceForCreditLossesNetWriteOffs	2254000000	usd
CY2007	wfc	Financing Receivable Allowance For Credit Losses Net Write Offs FinancingReceivableAllowanceForCreditLossesNetWriteOffs	3539000000	usd
CY2008	wfc	Financing Receivable Allowance For Credit Losses Net Write Offs FinancingReceivableAllowanceForCreditLossesNetWriteOffs	7839000000	usd
CY2009	wfc	Financing Receivable Allowance For Credit Losses Net Write Offs FinancingReceivableAllowanceForCreditLossesNetWriteOffs	18168000000	usd
CY2010	wfc	Financing Receivable Allowance For Credit Losses Net Write Offs FinancingReceivableAllowanceForCreditLossesNetWriteOffs	17753000000	usd
CY2006	wfc	Financing Receivable Allowance For Credit Losses Other Increase Decrease FinancingReceivableAllowanceForCreditLossesOtherIncreaseDecrease	-43000000	usd
CY2007	wfc	Financing Receivable Allowance For Credit Losses Other Increase Decrease FinancingReceivableAllowanceForCreditLossesOtherIncreaseDecrease	154000000	usd
CY2008	wfc	Financing Receivable Allowance For Credit Losses Other Increase Decrease FinancingReceivableAllowanceForCreditLossesOtherIncreaseDecrease	8053000000	usd
CY2009	wfc	Financing Receivable Allowance For Credit Losses Other Increase Decrease FinancingReceivableAllowanceForCreditLossesOtherIncreaseDecrease	-180000000	usd
CY2010	wfc	Financing Receivable Allowance For Credit Losses Other Increase Decrease FinancingReceivableAllowanceForCreditLossesOtherIncreaseDecrease	698000000	usd
CY2006	wfc	Financing Receivable Allowance For Credit Losses Recoveries FinancingReceivableAllowanceForCreditLossesRecoveries	925000000	usd
CY2007	wfc	Financing Receivable Allowance For Credit Losses Recoveries FinancingReceivableAllowanceForCreditLossesRecoveries	910000000	usd
CY2008	wfc	Financing Receivable Allowance For Credit Losses Recoveries FinancingReceivableAllowanceForCreditLossesRecoveries	938000000	usd
CY2009	wfc	Financing Receivable Allowance For Credit Losses Recoveries FinancingReceivableAllowanceForCreditLossesRecoveries	1657000000	usd
CY2010	wfc	Financing Receivable Allowance For Credit Losses Recoveries FinancingReceivableAllowanceForCreditLossesRecoveries	2347000000	usd
CY2010Q4	wfc	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	690099000000	usd
CY2010Q4	wfc	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	25738000000	usd
CY2010	wfc	Financing Receivable Reclassification To Held For Sale FinancingReceivableReclassificationToHeldForSale	-1543000000	usd
CY2009Q4	wfc	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	24418000000	usd
CY2010Q4	wfc	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	26242000000	usd
CY2010	wfc	Financing Receivable Significant Purchases FinancingReceivableSignificantPurchases	2297000000	usd
CY2010	wfc	Financing Receivable Significant Sales FinancingReceivableSignificantSales	6483000000	usd
CY2010	wfc	Finite Lived Intangible Assets Future Amortization Expense Year Five FiniteLivedIntangibleAssetsFutureAmortizationExpenseYearFive	1373000000	usd
CY2010	wfc	Finite Lived Intangible Assets Future Amortization Expense Year Four FiniteLivedIntangibleAssetsFutureAmortizationExpenseYearFour	1508000000	usd
CY2010	wfc	Finite Lived Intangible Assets Future Amortization Expense Year One FiniteLivedIntangibleAssetsFutureAmortizationExpenseYearOne	2126000000	usd
CY2010	wfc	Finite Lived Intangible Assets Future Amortization Expense Year Three FiniteLivedIntangibleAssetsFutureAmortizationExpenseYearThree	1679000000	usd
CY2010	wfc	Finite Lived Intangible Assets Future Amortization Expense Year Two FiniteLivedIntangibleAssetsFutureAmortizationExpenseYearTwo	1887000000	usd
CY2008	wfc	Foreclosed Asset Expense ForeclosedAssetExpense	414000000	usd
CY2009	wfc	Foreclosed Asset Expense ForeclosedAssetExpense	1071000000	usd
CY2010	wfc	Foreclosed Asset Expense ForeclosedAssetExpense	1537000000	usd
CY2009	wfc	Gain Loss On Fair Value Hedges Recognized In Net Interest Income GainLossOnFairValueHedgesRecognizedInNetInterestIncome	1708000000	usd
CY2010	wfc	Gain Loss On Fair Value Hedges Recognized In Net Interest Income GainLossOnFairValueHedgesRecognizedInNetInterestIncome	1735000000	usd
CY2008	wfc	Gain Loss On Mortgage Loan Origination And Sales Activities GainLossOnMortgageLoanOriginationAndSalesActivities	1292000000	usd
CY2009	wfc	Gain Loss On Mortgage Loan Origination And Sales Activities GainLossOnMortgageLoanOriginationAndSalesActivities	6237000000	usd
CY2010	wfc	Gain Loss On Mortgage Loan Origination And Sales Activities GainLossOnMortgageLoanOriginationAndSalesActivities	6397000000	usd
CY2009Q4	wfc	Guarantee Non Investment Grade GuaranteeNonInvestmentGrade	29802000000	usd
CY2010Q4	wfc	Guarantee Non Investment Grade GuaranteeNonInvestmentGrade	29885000000	usd
CY2008	wfc	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	1952000000	usd
CY2009	wfc	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	10557000000	usd
CY2010	wfc	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	23268000000	usd
CY2008	wfc	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	9000000	usd
CY2009	wfc	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	102000000	usd
CY2010	wfc	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	448000000	usd
CY2008	wfc	Impaired Financing Receivable Interest Income Cash Basis Method ImpairedFinancingReceivableInterestIncomeCashBasisMethod	34000000	usd
CY2009	wfc	Impaired Financing Receivable Interest Income Cash Basis Method ImpairedFinancingReceivableInterestIncomeCashBasisMethod	130000000	usd
CY2010	wfc	Impaired Financing Receivable Interest Income Cash Basis Method ImpairedFinancingReceivableInterestIncomeCashBasisMethod	250000000	usd
CY2008	wfc	Impaired Financing Receivable Interest Income Total ImpairedFinancingReceivableInterestIncomeTotal	43000000	usd
CY2009	wfc	Impaired Financing Receivable Interest Income Total ImpairedFinancingReceivableInterestIncomeTotal	232000000	usd
CY2010	wfc	Impaired Financing Receivable Interest Income Total ImpairedFinancingReceivableInterestIncomeTotal	698000000	usd
CY2009Q4	wfc	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	18830000000	usd
CY2010Q4	wfc	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	25738000000	usd
CY2009Q4	wfc	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	3267000000	usd
CY2010Q4	wfc	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	6202000000	usd
CY2010Q4	wfc	Impaired Financing Receivable Unpaid Principal Balance ImpairedFinancingReceivableUnpaidPrincipalBalance	36041000000	usd
CY2009	wfc	Increase Decrease In Fair Value Assets Measured On Nonrecurring Basis IncreaseDecreaseInFairValueAssetsMeasuredOnNonrecurringBasis	-11784000000	usd
CY2010	wfc	Increase Decrease In Fair Value Assets Measured On Nonrecurring Basis IncreaseDecreaseInFairValueAssetsMeasuredOnNonrecurringBasis	-8512000000	usd
CY2009	wfc	Increase Decrease In Fair Value Assets Measured On Nonrecurring Basis Loans Held For Sale IncreaseDecreaseInFairValueAssetsMeasuredOnNonrecurringBasisLoansHeldForSale	158000000	usd
CY2010	wfc	Increase Decrease In Fair Value Assets Measured On Nonrecurring Basis Loans Held For Sale IncreaseDecreaseInFairValueAssetsMeasuredOnNonrecurringBasisLoansHeldForSale	-1000000	usd
CY2009	wfc	Increase Decrease In Fair Value Assets Measured On Nonrecurring Basis Loans Receivable IncreaseDecreaseInFairValueAssetsMeasuredOnNonrecurringBasisLoansReceivable	-11703000000	usd
CY2010	wfc	Increase Decrease In Fair Value Assets Measured On Nonrecurring Basis Loans Receivable IncreaseDecreaseInFairValueAssetsMeasuredOnNonrecurringBasisLoansReceivable	-8187000000	usd
CY2010	wfc	Increase Decrease In Fair Value Assets Measured On Nonrecurring Basis Mortgage Servicing Rights IncreaseDecreaseInFairValueAssetsMeasuredOnNonrecurringBasisMortgageServicingRights	-3000000	usd
CY2009	wfc	Increase Decrease In Fair Value Assets Measured On Nonrecurring Basis Mortgages Held For Sale IncreaseDecreaseInFairValueAssetsMeasuredOnNonrecurringBasisMortgagesHeldForSale	-22000000	usd
CY2010	wfc	Increase Decrease In Fair Value Assets Measured On Nonrecurring Basis Mortgages Held For Sale IncreaseDecreaseInFairValueAssetsMeasuredOnNonrecurringBasisMortgagesHeldForSale	-20000000	usd
CY2009	wfc	Increase Decrease In Fair Value Assets Measured On Nonrecurring Basis Other Assets IncreaseDecreaseInFairValueAssetsMeasuredOnNonrecurringBasisOtherAssets	-217000000	usd
CY2010	wfc	Increase Decrease In Fair Value Assets Measured On Nonrecurring Basis Other Assets IncreaseDecreaseInFairValueAssetsMeasuredOnNonrecurringBasisOtherAssets	-301000000	usd
CY2008	wfc	Increase Decrease In Trading Assets IncreaseDecreaseInTradingAssets	3045000000	usd
CY2009	wfc	Increase Decrease In Trading Assets IncreaseDecreaseInTradingAssets	-13983000000	usd
CY2010	wfc	Increase Decrease In Trading Assets IncreaseDecreaseInTradingAssets	-12356000000	usd
CY2010Q1	wfc	Increase In Assets As Result Of Adoption Of New Accounting Pronouncement Or Change In Accounting Principle IncreaseInAssetsAsResultOfAdoptionOfNewAccountingPronouncementOrChangeInAccountingPrinciple	18600000000	usd
CY2010Q1	wfc	Increase In Retained Earnings As Result Of Adoption Of New Accounting Pronouncement Or Change In Accounting Principle IncreaseInRetainedEarningsAsResultOfAdoptionOfNewAccountingPronouncementOrChangeInAccountingPrinciple	183000000	usd
CY2010Q1	wfc	Increase In Retained Earnings As Result Of Adoption Of New Accounting Pronouncement Or Change In Accounting Principle Amount Related To Election Of Fair Value Option IncreaseInRetainedEarningsAsResultOfAdoptionOfNewAccountingPronouncementOrChangeInAccountingPrincipleAmountRelatedToElectionOfFairValueOption	15000000	usd
CY2009Q4	wfc	Indebtedness To Subsidiaries IndebtednessToSubsidiaries	0	usd
CY2010Q4	wfc	Indebtedness To Subsidiaries IndebtednessToSubsidiaries	0	usd
CY2008	wfc	Insurance Insurance	1830000000	usd
CY2009	wfc	Insurance Insurance	2126000000	usd
CY2010	wfc	Insurance Insurance	2126000000	usd
CY2008	wfc	Insurance And Deposit Assessments InsuranceAndDepositAssessments	120000000	usd
CY2009	wfc	Insurance And Deposit Assessments InsuranceAndDepositAssessments	1849000000	usd
CY2010	wfc	Insurance And Deposit Assessments InsuranceAndDepositAssessments	1197000000	usd
CY2008	wfc	Insurance Expense InsuranceExpense	725000000	usd
CY2009	wfc	Insurance Expense InsuranceExpense	845000000	usd
CY2010	wfc	Insurance Expense InsuranceExpense	464000000	usd
CY2008	wfc	Interest And Fee Income Other InterestAndFeeIncomeOther	7266000000	usd
CY2009	wfc	Interest And Fee Income Other InterestAndFeeIncomeOther	14685000000	usd
CY2010	wfc	Interest And Fee Income Other InterestAndFeeIncomeOther	13036000000	usd
CY2009Q4	wfc	Investments In Bank Subsidiaries InvestmentsInBankSubsidiaries	0	usd
CY2010Q4	wfc	Investments In Bank Subsidiaries InvestmentsInBankSubsidiaries	0	usd
CY2009Q4	wfc	Investments In Funds Managed By Majority Owned Subsidiaries InvestmentsInFundsManagedByMajorityOwnedSubsidiaries	1300000000	usd
CY2010Q4	wfc	Investments In Funds Managed By Majority Owned Subsidiaries InvestmentsInFundsManagedByMajorityOwnedSubsidiaries	1400000000	usd
CY2009Q4	wfc	Investments In Nonbank Subsidiaries InvestmentsInNonbankSubsidiaries	0	usd
CY2010Q4	wfc	Investments In Nonbank Subsidiaries InvestmentsInNonbankSubsidiaries	0	usd
CY2008	wfc	Issuance Of Common And Preferred Stock For Purchase Accounting IssuanceOfCommonAndPreferredStockForPurchaseAccounting	22672000000	usd
CY2007Q4	wfc	Liability For Mortgage Loan Repurchase Losses LiabilityForMortgageLoanRepurchaseLosses	253000000	usd
CY2008Q4	wfc	Liability For Mortgage Loan Repurchase Losses LiabilityForMortgageLoanRepurchaseLosses	589000000	usd
CY2009Q4	wfc	Liability For Mortgage Loan Repurchase Losses LiabilityForMortgageLoanRepurchaseLosses	1033000000	usd
CY2010Q4	wfc	Liability For Mortgage Loan Repurchase Losses LiabilityForMortgageLoanRepurchaseLosses	1289000000	usd
CY2008	wfc	Liability For Mortgage Loan Repurchase Losses Additions Acquisition LiabilityForMortgageLoanRepurchaseLossesAdditionsAcquisition	187000000	usd
CY2009	wfc	Liability For Mortgage Loan Repurchase Losses Additions Acquisition LiabilityForMortgageLoanRepurchaseLossesAdditionsAcquisition	31000000	usd
CY2008	wfc	Liability For Mortgage Loan Repurchase Losses Additions Change In Estimate Primarily Due To Credit Deterioration LiabilityForMortgageLoanRepurchaseLossesAdditionsChangeInEstimatePrimarilyDueToCreditDeterioration	234000000	usd
CY2009	wfc	Liability For Mortgage Loan Repurchase Losses Additions Change In Estimate Primarily Due To Credit Deterioration LiabilityForMortgageLoanRepurchaseLossesAdditionsChangeInEstimatePrimarilyDueToCreditDeterioration	625000000	usd
CY2010	wfc	Liability For Mortgage Loan Repurchase Losses Additions Change In Estimate Primarily Due To Credit Deterioration LiabilityForMortgageLoanRepurchaseLossesAdditionsChangeInEstimatePrimarilyDueToCreditDeterioration	1474000000	usd
CY2008	wfc	Liability For Mortgage Loan Repurchase Losses Additions Sales LiabilityForMortgageLoanRepurchaseLossesAdditionsSales	165000000	usd
CY2009	wfc	Liability For Mortgage Loan Repurchase Losses Additions Sales LiabilityForMortgageLoanRepurchaseLossesAdditionsSales	302000000	usd
CY2010	wfc	Liability For Mortgage Loan Repurchase Losses Additions Sales LiabilityForMortgageLoanRepurchaseLossesAdditionsSales	144000000	usd
CY2008	wfc	Liability For Mortgage Loan Repurchase Losses Additions Total LiabilityForMortgageLoanRepurchaseLossesAdditionsTotal	586000000	usd
CY2009	wfc	Liability For Mortgage Loan Repurchase Losses Additions Total LiabilityForMortgageLoanRepurchaseLossesAdditionsTotal	958000000	usd
CY2010	wfc	Liability For Mortgage Loan Repurchase Losses Additions Total LiabilityForMortgageLoanRepurchaseLossesAdditionsTotal	1618000000	usd
CY2008	wfc	Liability For Mortgage Loan Repurchase Losses Reductions Losses LiabilityForMortgageLoanRepurchaseLossesReductionsLosses	250000000	usd
CY2009	wfc	Liability For Mortgage Loan Repurchase Losses Reductions Losses LiabilityForMortgageLoanRepurchaseLossesReductionsLosses	514000000	usd
CY2010	wfc	Liability For Mortgage Loan Repurchase Losses Reductions Losses LiabilityForMortgageLoanRepurchaseLossesReductionsLosses	1362000000	usd
CY2010	wfc	Liability For Mortgage Repurchase Reserves Fair Value Measurement With Unobservable Inputs Additions LiabilityForMortgageRepurchaseReservesFairValueMeasurementWithUnobservableInputsAdditions	144000000	usd
CY2009	wfc	Loans Acquired In Transfer Not Accounted For As Debt Securities Provision For Loan Losses LoansAcquiredInTransferNotAccountedForAsDebtSecuritiesProvisionForLoanLosses	853000000	usd
CY2010	wfc	Loans Acquired In Transfer Not Accounted For As Debt Securities Provision For Loan Losses LoansAcquiredInTransferNotAccountedForAsDebtSecuritiesProvisionForLoanLosses	771000000	usd
CY2009Q4	wfc	Loans And Leases Receivable Commitment To Lend LoansAndLeasesReceivableCommitmentToLend	389838000000	usd
CY2010Q4	wfc	Loans And Leases Receivable Commitment To Lend LoansAndLeasesReceivableCommitmentToLend	379673000000	usd
CY2008	wfc	Loans Held For Sale LoansHeldForSale	48000000	usd
CY2009	wfc	Loans Held For Sale LoansHeldForSale	183000000	usd
CY2010	wfc	Loans Held For Sale LoansHeldForSale	101000000	usd
CY2009Q4	wfc	Loans Held For Sale Aggregate Difference LoansHeldForSaleAggregateDifference	-10000000	usd
CY2010Q4	wfc	Loans Held For Sale Aggregate Difference LoansHeldForSaleAggregateDifference	-24000000	usd
CY2009Q4	wfc	Loans Held For Sale Net LoansHeldForSaleNet	5733000000	usd
CY2010Q4	wfc	Loans Held For Sale Net LoansHeldForSaleNet	1290000000	usd
CY2009Q4	wfc	Loans Held For Sale Unpaid Principal LoansHeldForSaleUnpaidPrincipal	159000000	usd
CY2010Q4	wfc	Loans Held For Sale Unpaid Principal LoansHeldForSaleUnpaidPrincipal	897000000	usd
CY2008	wfc	Loans Originated By Nonbank Entities LoansOriginatedByNonbankEntities	19973000000	usd
CY2009	wfc	Loans Originated By Nonbank Entities LoansOriginatedByNonbankEntities	9961000000	usd
CY2010	wfc	Loans Originated By Nonbank Entities LoansOriginatedByNonbankEntities	10836000000	usd
CY2010Q4	wfc	Loans Receivable Aggregate Difference LoansReceivableAggregateDifference	-39000000	usd
CY2010Q4	wfc	Loans Receivable Unpaid Principal LoansReceivableUnpaidPrincipal	348000000	usd
CY2008Q4	wfc	Loans Serviced For Others LoansServicedForOthers	1860000000000	usd
CY2009Q4	wfc	Loans Serviced For Others LoansServicedForOthers	1876000000000	usd
CY2010Q4	wfc	Loans Serviced For Others LoansServicedForOthers	1837000000000	usd
CY2009Q4	wfc	Loans To Bank Subsidiaries LoansToBankSubsidiaries	0	usd
CY2010Q4	wfc	Loans To Bank Subsidiaries LoansToBankSubsidiaries	0	usd
CY2009Q4	wfc	Loans To Nonbank Subsidiaries LoansToNonbankSubsidiaries	0	usd
CY2010Q4	wfc	Loans To Nonbank Subsidiaries LoansToNonbankSubsidiaries	0	usd
CY2010Q4	wfc	Long Term Debt Fair Value LongTermDebtFairValue	306000000	usd
CY2010Q4	wfc	Long Term Debt Unpaid Principal LongTermDebtUnpaidPrincipal	353000000	usd
CY2010Q1	wfc	Loss On Termination Of Subordinated Note LossOnTerminationOfSubordinatedNote	16000000	usd
CY2008Q4	wfc	Managed Servicing Portfolio ManagedServicingPortfolio	2367000000000	usd
CY2009Q4	wfc	Managed Servicing Portfolio ManagedServicingPortfolio	2365000000000	usd
CY2010Q4	wfc	Managed Servicing Portfolio ManagedServicingPortfolio	2329000000000	usd
CY2009	wfc	Minority Interest In Joint Venture Period Increase Decrease MinorityInterestInJointVenturePeriodIncreaseDecrease	4500000000	usd
CY2010	wfc	Minority Interest In Joint Venture Period Increase Decrease MinorityInterestInJointVenturePeriodIncreaseDecrease	0	usd
CY2009Q4	wfc	Mortgages Held For Sale Aggregate Difference MortgagesHeldForSaleAggregateDifference	-110000000	usd
CY2010Q4	wfc	Mortgages Held For Sale Aggregate Difference MortgagesHeldForSaleAggregateDifference	-287000000	usd
CY2009Q4	wfc	Mortgages Held For Sale Unpaid Principal MortgagesHeldForSaleUnpaidPrincipal	37072000000	usd
CY2010Q4	wfc	Mortgages Held For Sale Unpaid Principal MortgagesHeldForSaleUnpaidPrincipal	47818000000	usd
CY2008	wfc	Net Change In Federal Funds Sold Securities Purchased Under Resale Agreements And Other Short Term Investments NetChangeInFederalFundsSoldSecuritiesPurchasedUnderResaleAgreementsAndOtherShortTermInvestments	-51049000000	usd
CY2009	wfc	Net Change In Federal Funds Sold Securities Purchased Under Resale Agreements And Other Short Term Investments NetChangeInFederalFundsSoldSecuritiesPurchasedUnderResaleAgreementsAndOtherShortTermInvestments	-8548000000	usd
CY2010	wfc	Net Change In Federal Funds Sold Securities Purchased Under Resale Agreements And Other Short Term Investments NetChangeInFederalFundsSoldSecuritiesPurchasedUnderResaleAgreementsAndOtherShortTermInvestments	39752000000	usd
CY2009	wfc	Net Credit Losses During Period On Loans Securitized NetCreditLossesDuringPeriodOnLoansSecuritized	1448000000	usd
CY2010	wfc	Net Credit Losses During Period On Loans Securitized NetCreditLossesDuringPeriodOnLoansSecuritized	1408000000	usd
CY2010	wfc	Net Decrease Increase In Investment In Subsidiaries NetDecreaseIncreaseInInvestmentInSubsidiaries	0	usd
CY2009Q4	wfc	Net Deferred Tax Assets NetDeferredTaxAssets	3212000000	usd
CY2010Q4	wfc	Net Deferred Tax Assets NetDeferredTaxAssets	0	usd
CY2008	wfc	Net Derivative Gains Losses From Economic Hedges Related To Mortgage Servicing Activities NetDerivativeGainsLossesFromEconomicHedgesRelatedToMortgageServicingActivities	3099000000	usd
CY2009	wfc	Net Derivative Gains Losses From Economic Hedges Related To Mortgage Servicing Activities NetDerivativeGainsLossesFromEconomicHedgesRelatedToMortgageServicingActivities	6849000000	usd
CY2010	wfc	Net Derivative Gains Losses From Economic Hedges Related To Mortgage Servicing Activities NetDerivativeGainsLossesFromEconomicHedgesRelatedToMortgageServicingActivities	4485000000	usd
CY2008	wfc	Net Gains Losses From All Other Nonmarketable Equity Investments NetGainsLossesFromAllOtherNonmarketableEquityInvestments	-10000000	usd
CY2009	wfc	Net Gains Losses From All Other Nonmarketable Equity Investments NetGainsLossesFromAllOtherNonmarketableEquityInvestments	-234000000	usd
CY2010	wfc	Net Gains Losses From All Other Nonmarketable Equity Investments NetGainsLossesFromAllOtherNonmarketableEquityInvestments	-188000000	usd
CY2009	wfc	Net Gains Losses From Equity Investments NetGainsLossesFromEquityInvestments	185000000	usd
CY2008	wfc	Net Gains Losses From Nonmarketable Equity Investments Total NetGainsLossesFromNonmarketableEquityInvestmentsTotal	241000000	usd
CY2009	wfc	Net Gains Losses From Nonmarketable Equity Investments Total NetGainsLossesFromNonmarketableEquityInvestmentsTotal	-523000000	usd
CY2010	wfc	Net Gains Losses From Nonmarketable Equity Investments Total NetGainsLossesFromNonmarketableEquityInvestmentsTotal	346000000	usd
CY2008	wfc	Net Gains Losses From Private Equity And Principa Lnvestments NetGainsLossesFromPrivateEquityAndPrincipaLnvestments	251000000	usd
CY2009	wfc	Net Gains Losses From Private Equity And Principa Lnvestments NetGainsLossesFromPrivateEquityAndPrincipaLnvestments	-289000000	usd
CY2010	wfc	Net Gains Losses From Private Equity And Principa Lnvestments NetGainsLossesFromPrivateEquityAndPrincipaLnvestments	534000000	usd
CY2008	wfc	Net Gains Losses From Private Equity Investments NetGainsLossesFromPrivateEquityInvestments	251000000	usd
CY2009	wfc	Net Gains Losses From Private Equity Investments NetGainsLossesFromPrivateEquityInvestments	-368000000	usd
CY2010	wfc	Net Gains Losses From Private Equity Investments NetGainsLossesFromPrivateEquityInvestments	492000000	usd
CY2008	wfc	Net Increase Decrease In Deferred Compensation And Related Plans NetIncreaseDecreaseInDeferredCompensationAndRelatedPlans	24000000	usd
CY2009	wfc	Net Increase Decrease In Deferred Compensation And Related Plans NetIncreaseDecreaseInDeferredCompensationAndRelatedPlans	-123000000	usd
CY2010	wfc	Net Increase Decrease In Deferred Compensation And Related Plans NetIncreaseDecreaseInDeferredCompensationAndRelatedPlans	90000000	usd
CY2006	wfc	Net Loan Charge Offs Annualized As Percentage Of Average Total Loans NetLoanChargeOffsAnnualizedAsPercentageOfAverageTotalLoans	0.0073	pure
CY2007	wfc	Net Loan Charge Offs Annualized As Percentage Of Average Total Loans NetLoanChargeOffsAnnualizedAsPercentageOfAverageTotalLoans	0.0103	pure
CY2008	wfc	Net Loan Charge Offs Annualized As Percentage Of Average Total Loans NetLoanChargeOffsAnnualizedAsPercentageOfAverageTotalLoans	0.0197	pure
CY2009	wfc	Net Loan Charge Offs Annualized As Percentage Of Average Total Loans NetLoanChargeOffsAnnualizedAsPercentageOfAverageTotalLoans	0.0221	pure
CY2010	wfc	Net Loan Charge Offs Annualized As Percentage Of Average Total Loans NetLoanChargeOffsAnnualizedAsPercentageOfAverageTotalLoans	0.023	pure
CY2010	wfc	Net Repayments From Advances To Subsidiaries NetRepaymentsFromAdvancesToSubsidiaries	0	usd
CY2009	wfc	Net Transfer From Additional Paid In Capital To Noncontrolling Interests NetTransferFromAdditionalPaidInCapitalToNoncontrollingInterests	2299000000	usd
CY2008	wfc	Net Transfers From Loans To Mortgage Held For Sale NetTransfersFromLoansToMortgageHeldForSale	-1195000000	usd
CY2009	wfc	Net Transfers From Loans To Mortgage Held For Sale NetTransfersFromLoansToMortgageHeldForSale	144000000	usd
CY2010	wfc	Net Transfers From Loans To Mortgage Held For Sale NetTransfersFromLoansToMortgageHeldForSale	230000000	usd
CY2008	wfc	Noninterest Expense Other NoninterestExpenseOther	9658000000	usd
CY2009	wfc	Noninterest Expense Other NoninterestExpenseOther	22553000000	usd
CY2010	wfc	Noninterest Expense Other NoninterestExpenseOther	23244000000	usd
CY2008	wfc	Noninterest Fee Income From Nonaffiliates NoninterestFeeIncomeFromNonaffiliates	10547000000	usd
CY2009	wfc	Noninterest Fee Income From Nonaffiliates NoninterestFeeIncomeFromNonaffiliates	22963000000	usd
CY2010	wfc	Noninterest Fee Income From Nonaffiliates NoninterestFeeIncomeFromNonaffiliates	23492000000	usd
CY2009Q4	wfc	Nonmarketable Equity Investments Total NonmarketableEquityInvestmentsTotal	16354000000	usd
CY2010Q4	wfc	Nonmarketable Equity Investments Total NonmarketableEquityInvestmentsTotal	16423000000	usd
CY2010	wfc	Operating Leases For Premises And Equipment Longest Term In Years OperatingLeasesForPremisesAndEquipmentLongestTermInYears	95	pure
CY2010	wfc	Operating Leases For Premises And Equipment Term In Years OperatingLeasesForPremisesAndEquipmentTermInYears	15	pure
CY2008	wfc	Operating Losses OperatingLosses	142000000	usd
CY2009	wfc	Operating Losses OperatingLosses	875000000	usd
CY2010	wfc	Operating Losses OperatingLosses	1258000000	usd
CY2010	wfc	Origination Of Mortgage Servicing Rights Fair Value Measurement With Unobservable Inputs OriginationOfMortgageServicingRightsFairValueMeasurementWithUnobservableInputs	4500000000	usd
CY2010Q4	wfc	Other Assets Excluding Derivatives Fair Value Disclosure OtherAssetsExcludingDerivativesFairValueDisclosure	397000000	usd
CY2009Q4	wfc	Other Assets Excluding Trading Derivatives Fair Value Disclosure OtherAssetsExcludingTradingDerivativesFairValueDisclosure	8530000000	usd
CY2009Q4	wfc	Other Assets Not Disclosed OtherAssetsNotDisclosed	19296000000	usd
CY2010Q4	wfc	Other Assets Not Disclosed OtherAssetsNotDisclosed	15993000000	usd
CY2008	wfc	Other Comprehensive Income Defined Benefit Plan Net Unamortized Gain Loss Arising During Period Before Tax OtherComprehensiveIncomeDefinedBenefitPlanNetUnamortizedGainLossArisingDuringPeriodBeforeTax	-2165000000	usd
CY2009	wfc	Other Comprehensive Income Defined Benefit Plan Net Unamortized Gain Loss Arising During Period Before Tax OtherComprehensiveIncomeDefinedBenefitPlanNetUnamortizedGainLossArisingDuringPeriodBeforeTax	222000000	usd
CY2010	wfc	Other Comprehensive Income Defined Benefit Plan Net Unamortized Gain Loss Arising During Period Before Tax OtherComprehensiveIncomeDefinedBenefitPlanNetUnamortizedGainLossArisingDuringPeriodBeforeTax	20000000	usd
CY2008	wfc	Other Comprehensive Income Loss Reclassification Adjustment For Sale Or Write Down Of Securities Included In Net Income Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentForSaleOrWriteDownOfSecuritiesIncludedInNetIncomeBeforeTax	29000000	usd
CY2009	wfc	Other Comprehensive Income Loss Reclassification Adjustment For Sale Or Write Down Of Securities Included In Net Income Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentForSaleOrWriteDownOfSecuritiesIncludedInNetIncomeBeforeTax	349000000	usd
CY2010	wfc	Other Comprehensive Income Loss Reclassification Adjustment For Sale Or Write Down Of Securities Included In Net Income Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentForSaleOrWriteDownOfSecuritiesIncludedInNetIncomeBeforeTax	-77000000	usd
CY2008	wfc	Other Comprehensive Income Loss Reclassification Adjustment For Sale Or Write Down Of Securities Included In Net Income Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentForSaleOrWriteDownOfSecuritiesIncludedInNetIncomeNetOfTax	18000000	usd
CY2009	wfc	Other Comprehensive Income Loss Reclassification Adjustment For Sale Or Write Down Of Securities Included In Net Income Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentForSaleOrWriteDownOfSecuritiesIncludedInNetIncomeNetOfTax	220000000	usd
CY2010	wfc	Other Comprehensive Income Loss Reclassification Adjustment For Sale Or Write Down Of Securities Included In Net Income Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentForSaleOrWriteDownOfSecuritiesIncludedInNetIncomeNetOfTax	-48000000	usd
CY2008	wfc	Other Comprehensive Income Loss Reclassification Adjustment For Sale Or Write Down Of Securities Included In Net Income Tax OtherComprehensiveIncomeLossReclassificationAdjustmentForSaleOrWriteDownOfSecuritiesIncludedInNetIncomeTax	11000000	usd
CY2009	wfc	Other Comprehensive Income Loss Reclassification Adjustment For Sale Or Write Down Of Securities Included In Net Income Tax OtherComprehensiveIncomeLossReclassificationAdjustmentForSaleOrWriteDownOfSecuritiesIncludedInNetIncomeTax	129000000	usd
CY2010	wfc	Other Comprehensive Income Loss Reclassification Adjustment For Sale Or Write Down Of Securities Included In Net Income Tax OtherComprehensiveIncomeLossReclassificationAdjustmentForSaleOrWriteDownOfSecuritiesIncludedInNetIncomeTax	-29000000	usd
CY2008	wfc	Other Comprehensive Income Reclassification Of Defined Benefit Plans Net Gain Loss Amortization Of Net Prior Service Cost And Finalization Of Recognized In Net Periodic Benefit Cost Net Of Tax OtherComprehensiveIncomeReclassificationOfDefinedBenefitPlansNetGainLossAmortizationOfNetPriorServiceCostAndFinalizationOfRecognizedInNetPeriodicBenefitCostNetOfTax	-4000000	usd
CY2009	wfc	Other Comprehensive Income Reclassification Of Defined Benefit Plans Net Gain Loss Amortization Of Net Prior Service Cost And Finalization Of Recognized In Net Periodic Benefit Cost Net Of Tax OtherComprehensiveIncomeReclassificationOfDefinedBenefitPlansNetGainLossAmortizationOfNetPriorServiceCostAndFinalizationOfRecognizedInNetPeriodicBenefitCostNetOfTax	-124000000	usd
CY2010	wfc	Other Comprehensive Income Reclassification Of Defined Benefit Plans Net Gain Loss Amortization Of Net Prior Service Cost And Finalization Of Recognized In Net Periodic Benefit Cost Net Of Tax OtherComprehensiveIncomeReclassificationOfDefinedBenefitPlansNetGainLossAmortizationOfNetPriorServiceCostAndFinalizationOfRecognizedInNetPeriodicBenefitCostNetOfTax	-59000000	usd
CY2008	wfc	Other Comprehensive Income Reclassification Of Defined Benefit Plans Net Gain Loss Amortization Of Net Prior Service Cost Credit And Finalization Of Valuation Recognized In Net Periodic Benefit Cost Before Tax OtherComprehensiveIncomeReclassificationOfDefinedBenefitPlansNetGainLossAmortizationOfNetPriorServiceCostCreditAndFinalizationOfValuationRecognizedInNetPeriodicBenefitCostBeforeTax	-6000000	usd
CY2009	wfc	Other Comprehensive Income Reclassification Of Defined Benefit Plans Net Gain Loss Amortization Of Net Prior Service Cost Credit And Finalization Of Valuation Recognized In Net Periodic Benefit Cost Before Tax OtherComprehensiveIncomeReclassificationOfDefinedBenefitPlansNetGainLossAmortizationOfNetPriorServiceCostCreditAndFinalizationOfValuationRecognizedInNetPeriodicBenefitCostBeforeTax	-184000000	usd
CY2010	wfc	Other Comprehensive Income Reclassification Of Defined Benefit Plans Net Gain Loss Amortization Of Net Prior Service Cost Credit And Finalization Of Valuation Recognized In Net Periodic Benefit Cost Before Tax OtherComprehensiveIncomeReclassificationOfDefinedBenefitPlansNetGainLossAmortizationOfNetPriorServiceCostCreditAndFinalizationOfValuationRecognizedInNetPeriodicBenefitCostBeforeTax	-104000000	usd
CY2008	wfc	Other Comprehensive Income Reclassification Of Defined Benefit Plans Net Gain Loss Amortization Of Net Prior Service Cost Credit And Finalization Of Valuation Recognized In Net Periodic Benefit Cost Tax OtherComprehensiveIncomeReclassificationOfDefinedBenefitPlansNetGainLossAmortizationOfNetPriorServiceCostCreditAndFinalizationOfValuationRecognizedInNetPeriodicBenefitCostTax	-2000000	usd
CY2009	wfc	Other Comprehensive Income Reclassification Of Defined Benefit Plans Net Gain Loss Amortization Of Net Prior Service Cost Credit And Finalization Of Valuation Recognized In Net Periodic Benefit Cost Tax OtherComprehensiveIncomeReclassificationOfDefinedBenefitPlansNetGainLossAmortizationOfNetPriorServiceCostCreditAndFinalizationOfValuationRecognizedInNetPeriodicBenefitCostTax	-60000000	usd
CY2010	wfc	Other Comprehensive Income Reclassification Of Defined Benefit Plans Net Gain Loss Amortization Of Net Prior Service Cost Credit And Finalization Of Valuation Recognized In Net Periodic Benefit Cost Tax OtherComprehensiveIncomeReclassificationOfDefinedBenefitPlansNetGainLossAmortizationOfNetPriorServiceCostCreditAndFinalizationOfValuationRecognizedInNetPeriodicBenefitCostTax	-45000000	usd
CY2008	wfc	Other Expense Contract Services OtherExpenseContractServices	407000000	usd
CY2009	wfc	Other Expense Contract Services OtherExpenseContractServices	1088000000	usd
CY2010	wfc	Other Expense Contract Services OtherExpenseContractServices	1642000000	usd
CY2010Q4	wfc	Other Liabilities Excluding Derivatives And Short Sale Liabilities Fair Value Disclosure OtherLiabilitiesExcludingDerivativesAndShortSaleLiabilitiesFairValueDisclosure	380000000	usd
CY2009Q4	wfc	Other Liabilities Fair Value Disclosure OtherLiabilitiesFairValueDisclosure	21704000000	usd
CY2010	wfc	Other Mortgage Banking Non Interest Income OtherMortgageBankingNonInterestIncome		usd
CY2008	wfc	Other Noninterest Income OtherNoninterestIncome	6187000000	usd
CY2009	wfc	Other Noninterest Income OtherNoninterestIncome	19399000000	usd
CY2010	wfc	Other Noninterest Income OtherNoninterestIncome	16961000000	usd
CY2009	wfc	Other Than Temporary Impairment Credit Losses Recognized In Earnings Additions Additional Credit Losses OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsAdditionsAdditionalCreditLosses	357000000	usd
CY2010	wfc	Other Than Temporary Impairment Credit Losses Recognized In Earnings Additions Additional Credit Losses OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsAdditionsAdditionalCreditLosses	278000000	usd
CY2009	wfc	Other Than Temporary Impairment Credit Losses Recognized In Earnings Additions No Previous Impairment OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsAdditionsNoPreviousImpairment	625000000	usd
CY2010	wfc	Other Than Temporary Impairment Credit Losses Recognized In Earnings Additions No Previous Impairment OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsAdditionsNoPreviousImpairment	122000000	usd
CY2008Q4	wfc	Other Than Temporary Impairment Credit Losses Recognized In Earnings Credit Losses On Debt Securities Held Beginning Balance OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeldBeginningBalance	471000000	usd
CY2009Q4	wfc	Other Than Temporary Impairment Credit Losses Recognized In Earnings Credit Losses On Debt Securities Held Beginning Balance OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeldBeginningBalance	1187000000	usd
CY2010Q4	wfc	Other Than Temporary Impairment Credit Losses Recognized In Earnings Credit Losses On Debt Securities Held Beginning Balance OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeldBeginningBalance	1043000000	usd
CY2009	wfc	Other Than Temporary Impairment Credit Losses Recognized In Earnings Reductions Cash Flows OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsReductionsCashFlows	10000000	usd
CY2010	wfc	Other Than Temporary Impairment Credit Losses Recognized In Earnings Reductions Cash Flows OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsReductionsCashFlows	37000000	usd
CY2009	wfc	Other Than Temporary Impairment Credit Losses Recognized In Earnings Reductions Change In Status OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsReductionsChangeInStatus	1000000	usd
CY2010	wfc	Other Than Temporary Impairment Credit Losses Recognized In Earnings Reductions Change In Status OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsReductionsChangeInStatus	2000000	usd
CY2010	wfc	Other Than Temporary Impairment Credit Losses Recognized In Earnings Reductions Securities Derecognized OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsReductionsSecuritiesDerecognized	242000000	usd
CY2009	wfc	Other Than Temporary Impairment Credit Losses Recognized In Earnings Reductions Securities Sold OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsReductionsSecuritiesSold	255000000	usd
CY2010	wfc	Other Than Temporary Impairment Credit Losses Recognized In Earnings Reductions Securities Sold OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsReductionsSecuritiesSold	263000000	usd
CY2009	wfc	Other Than Temporary Impairment Credit Losses Recognized In Earnings Total Reductions OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsTotalReductions	266000000	usd
CY2010	wfc	Other Than Temporary Impairment Credit Losses Recognized In Earnings Total Reductions OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsTotalReductions	544000000	usd
CY2008	wfc	Other Than Temporary Impairment Investments Portion Recognized In Earnings Net OtherThanTemporaryImpairmentInvestmentsPortionRecognizedInEarningsNet	2010000000	usd
CY2009	wfc	Other Than Temporary Impairment Investments Portion Recognized In Earnings Net OtherThanTemporaryImpairmentInvestmentsPortionRecognizedInEarningsNet	1667000000	usd
CY2010	wfc	Other Than Temporary Impairment Investments Portion Recognized In Earnings Net OtherThanTemporaryImpairmentInvestmentsPortionRecognizedInEarningsNet	940000000	usd
CY2009	wfc	Other Than Temporary Impairment Losses Debt Securities Available For Sale Total OtherThanTemporaryImpairmentLossesDebtSecuritiesAvailableForSaleTotal	2352000000	usd
CY2010	wfc	Other Than Temporary Impairment Losses Debt Securities Available For Sale Total OtherThanTemporaryImpairmentLossesDebtSecuritiesAvailableForSaleTotal	500000000	usd
CY2009	wfc	Other Than Temporary Impairment Losses Investments Availableforsale Securities OtherThanTemporaryImpairmentLossesInvestmentsAvailableforsaleSecurities	2352000000	usd
CY2010	wfc	Other Than Temporary Impairment Losses Investments Availableforsale Securities OtherThanTemporaryImpairmentLossesInvestmentsAvailableforsaleSecurities	500000000	usd
CY2009	wfc	Other Than Temporary Impairment Losses Investments Portion In Other Comprehensive Income Loss Before Tax Including Portion Attributable To Noncontrolling Interest Available For Sale Securities OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossBeforeTaxIncludingPortionAttributableToNoncontrollingInterestAvailableForSaleSecurities	1340000000	usd
CY2010	wfc	Other Than Temporary Impairment Losses Investments Portion In Other Comprehensive Income Loss Before Tax Including Portion Attributable To Noncontrolling Interest Available For Sale Securities OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossBeforeTaxIncludingPortionAttributableToNoncontrollingInterestAvailableForSaleSecurities	-172000000	usd
CY2009	wfc	Other Than Temporary Impairment Losses Investments Portion In Other Comprehensive Income Loss Before Tax Portion Attributable To Noncontrolling Interest Availableforsale Securities OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossBeforeTaxPortionAttributableToNoncontrollingInterestAvailableforsaleSecurities	1340000000	usd
CY2010	wfc	Other Than Temporary Impairment Losses Investments Portion In Other Comprehensive Income Loss Before Tax Portion Attributable To Noncontrolling Interest Availableforsale Securities OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossBeforeTaxPortionAttributableToNoncontrollingInterestAvailableforsaleSecurities	-172000000	usd
CY2009	wfc	Other Than Temporary Impairment Losses Investments Portion Recognized In Earnings Net Available For Sale Debt Securities OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNetAvailableForSaleDebtSecurities	1012000000	usd
CY2010	wfc	Other Than Temporary Impairment Losses Investments Portion Recognized In Earnings Net Available For Sale Debt Securities OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNetAvailableForSaleDebtSecurities	672000000	usd
CY2009	wfc	Other Than Temporary Impairment Losses Investments Portion Recognized In Earnings Net Available For Sale Equity Securities And Nonmarketable Equity Securities OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNetAvailableForSaleEquitySecuritiesAndNonmarketableEquitySecurities	655000000	usd
CY2010	wfc	Other Than Temporary Impairment Losses Investments Portion Recognized In Earnings Net Available For Sale Equity Securities And Nonmarketable Equity Securities OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNetAvailableForSaleEquitySecuritiesAndNonmarketableEquitySecurities	268000000	usd
CY2008	wfc	Other Than Temporary Impairment Losses Investments Portion Recognized In Earnings Net Availableforsale Securities OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNetAvailableforsaleSecurities	1790000000	usd
CY2009	wfc	Other Than Temporary Impairment Losses Investments Portion Recognized In Earnings Net Availableforsale Securities OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNetAvailableforsaleSecurities	1094000000	usd
CY2010	wfc	Other Than Temporary Impairment Losses Investments Portion Recognized In Earnings Net Availableforsale Securities OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNetAvailableforsaleSecurities	692000000	usd
CY2008	wfc	Payments For Loans Originated By Banking Subsidiaries Net Of Proceeds From Collections PaymentsForLoansOriginatedByBankingSubsidiariesNetOfProceedsFromCollections	54815000000	usd
CY2009	wfc	Payments For Loans Originated By Banking Subsidiaries Net Of Proceeds From Collections PaymentsForLoansOriginatedByBankingSubsidiariesNetOfProceedsFromCollections	-52240000000	usd
CY2010	wfc	Payments For Loans Originated By Banking Subsidiaries Net Of Proceeds From Collections PaymentsForLoansOriginatedByBankingSubsidiariesNetOfProceedsFromCollections	-15869000000	usd
CY2009	wfc	Payments For Origination Of Loans Held For Sale PaymentsForOriginationOfLoansHeldForSale	10800000000	usd
CY2010	wfc	Payments For Origination Of Loans Held For Sale PaymentsForOriginationOfLoansHeldForSale	4596000000	usd
CY2008	wfc	Payments For Proceeds From Other Investing Activities Net PaymentsForProceedsFromOtherInvestingActivitiesNet	-47321000000	usd
CY2009	wfc	Payments For Proceeds From Other Investing Activities Net PaymentsForProceedsFromOtherInvestingActivitiesNet	-15853000000	usd
CY2010	wfc	Payments For Proceeds From Other Investing Activities Net PaymentsForProceedsFromOtherInvestingActivitiesNet	31573000000	usd
CY2008	wfc	Payments To Acquire Loans And Leases Held For Investment Including Participations By Banking Subsidiaries PaymentsToAcquireLoansAndLeasesHeldForInvestmentIncludingParticipationsByBankingSubsidiaries	5513000000	usd
CY2009	wfc	Payments To Acquire Loans And Leases Held For Investment Including Participations By Banking Subsidiaries PaymentsToAcquireLoansAndLeasesHeldForInvestmentIncludingParticipationsByBankingSubsidiaries	3363000000	usd
CY2010	wfc	Payments To Acquire Loans And Leases Held For Investment Including Participations By Banking Subsidiaries PaymentsToAcquireLoansAndLeasesHeldForInvestmentIncludingParticipationsByBankingSubsidiaries	2297000000	usd
CY2008	wfc	Performance Stock Expense PerformanceStockExpense	0	usd
CY2009	wfc	Performance Stock Expense PerformanceStockExpense	21000000	usd
CY2010	wfc	Performance Stock Expense PerformanceStockExpense	66000000	usd
CY2009	wfc	Preferred Stock Accelerated Discount PreferredStockAcceleratedDiscount	1900000000	usd
CY2008	wfc	Preferred Stock Dividend Accretion And Other PreferredStockDividendAccretionAndOther	286000000	usd
CY2009	wfc	Preferred Stock Dividend Accretion And Other PreferredStockDividendAccretionAndOther	4285000000	usd
CY2010	wfc	Preferred Stock Dividend Accretion And Other PreferredStockDividendAccretionAndOther	730000000	usd
CY2008	wfc	Preferred Stock Issued For Acquisitions Value PreferredStockIssuedForAcquisitionsValue	8071000000	usd
CY2008	wfc	Preferred Stock Released To Employee Stock Option Plan PreferredStockReleasedToEmployeeStockOptionPlan	451000000	usd
CY2009	wfc	Preferred Stock Released To Employee Stock Option Plan PreferredStockReleasedToEmployeeStockOptionPlan	106000000	usd
CY2010	wfc	Preferred Stock Released To Employee Stock Option Plan PreferredStockReleasedToEmployeeStockOptionPlan	796000000	usd
CY2008	wfc	Principal Collected On Nonbank Entities Loans PrincipalCollectedOnNonbankEntitiesLoans	21846000000	usd
CY2009	wfc	Principal Collected On Nonbank Entities Loans PrincipalCollectedOnNonbankEntitiesLoans	14428000000	usd
CY2010	wfc	Principal Collected On Nonbank Entities Loans PrincipalCollectedOnNonbankEntitiesLoans	15560000000	usd
CY2010	wfc	Principal Collected On Notes Loans Made To Subsidiaries PrincipalCollectedOnNotesLoansMadeToSubsidiaries	0	usd
CY2008	wfc	Proceeds From Sales Including Participations Of Loans Originated For Investment By Banking Subsidiaries ProceedsFromSalesIncludingParticipationsOfLoansOriginatedForInvestmentByBankingSubsidiaries	1988000000	usd
CY2009	wfc	Proceeds From Sales Including Participations Of Loans Originated For Investment By Banking Subsidiaries ProceedsFromSalesIncludingParticipationsOfLoansOriginatedForInvestmentByBankingSubsidiaries	6162000000	usd
CY2010	wfc	Proceeds From Sales Including Participations Of Loans Originated For Investment By Banking Subsidiaries ProceedsFromSalesIncludingParticipationsOfLoansOriginatedForInvestmentByBankingSubsidiaries	6517000000	usd
CY2008	wfc	Proceeds From Sales Of And Principal Collected On Mortgages Originated For Sale ProceedsFromSalesOfAndPrincipalCollectedOnMortgagesOriginatedForSale	220254000000	usd
CY2009	wfc	Proceeds From Sales Of And Principal Collected On Mortgages Originated For Sale ProceedsFromSalesOfAndPrincipalCollectedOnMortgagesOriginatedForSale	399261000000	usd
CY2010	wfc	Proceeds From Sales Of And Principal Collected On Mortgages Originated For Sale ProceedsFromSalesOfAndPrincipalCollectedOnMortgagesOriginatedForSale	355325000000	usd
CY2009	wfc	Proceeds From Sales Of Lhfs And Principal Colleted On ProceedsFromSalesOfLhfsAndPrincipalColletedOn	20276000000	usd
CY2010	wfc	Proceeds From Sales Of Lhfs And Principal Colleted On ProceedsFromSalesOfLhfsAndPrincipalColletedOn	17828000000	usd
CY2008Q4	wfc	Ratio Of Mortgage Servicing Rights To Related Loans Serviced For Others RatioOfMortgageServicingRightsToRelatedLoansServicedForOthers	0.0087	pure
CY2009Q4	wfc	Ratio Of Mortgage Servicing Rights To Related Loans Serviced For Others RatioOfMortgageServicingRightsToRelatedLoansServicedForOthers	0.0091	pure
CY2010Q4	wfc	Ratio Of Mortgage Servicing Rights To Related Loans Serviced For Others RatioOfMortgageServicingRightsToRelatedLoansServicedForOthers	0.0086	pure
CY2009	wfc	Restructuring Reserve Settled With Cash And Other Utilization RestructuringReserveSettledWithCashAndOtherUtilization	453000000	usd
CY2010	wfc	Restructuring Reserve Settled With Cash And Other Utilization RestructuringReserveSettledWithCashAndOtherUtilization	634000000	usd
CY2008	wfc	Salaries Salaries	8260000000	usd
CY2009	wfc	Salaries Salaries	13757000000	usd
CY2010	wfc	Salaries Salaries	13869000000	usd
CY2009	wfc	Segment Reporting Information Average Asset SegmentReportingInformationAverageAsset	1262400000000	usd
CY2010	wfc	Segment Reporting Information Average Asset SegmentReportingInformationAverageAsset	1226900000000	usd
CY2009	wfc	Segment Reporting Information Average Balance Of Loans Held In Portfolio SegmentReportingInformationAverageBalanceOfLoansHeldInPortfolio	822800000000	usd
CY2010	wfc	Segment Reporting Information Average Balance Of Loans Held In Portfolio SegmentReportingInformationAverageBalanceOfLoansHeldInPortfolio	770600000000	usd
CY2009	wfc	Segment Reporting Information Average Core Deposits SegmentReportingInformationAverageCoreDeposits	762500000000	usd
CY2010	wfc	Segment Reporting Information Average Core Deposits SegmentReportingInformationAverageCoreDeposits	772000000000	usd
CY2008	wfc	Segment Reporting Information Income Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest SegmentReportingInformationIncomeIncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	2698000000	usd
CY2009	wfc	Segment Reporting Information Income Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest SegmentReportingInformationIncomeIncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	12667000000	usd
CY2010	wfc	Segment Reporting Information Income Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest SegmentReportingInformationIncomeIncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	12663000000	usd
CY2008	wfc	Segment Reporting Information Net Income Loss SegmentReportingInformationNetIncomeLoss	2655000000	usd
CY2009	wfc	Segment Reporting Information Net Income Loss SegmentReportingInformationNetIncomeLoss	12275000000	usd
CY2010	wfc	Segment Reporting Information Net Income Loss SegmentReportingInformationNetIncomeLoss	12362000000	usd
CY2008	wfc	Segment Reporting Information Net Income Loss Attributable To Noncontrolling Interest SegmentReportingInformationNetIncomeLossAttributableToNoncontrollingInterest	43000000	usd
CY2009	wfc	Segment Reporting Information Net Income Loss Attributable To Noncontrolling Interest SegmentReportingInformationNetIncomeLossAttributableToNoncontrollingInterest	392000000	usd
CY2010	wfc	Segment Reporting Information Net Income Loss Attributable To Noncontrolling Interest SegmentReportingInformationNetIncomeLossAttributableToNoncontrollingInterest	301000000	usd
CY2008	wfc	Servicing Asset At Fair Value Sum Of Changes In Fair Value Resulting From Changes In Valuation Inputs Or Changes In Assumptions And Net Derivative Gains Losses ServicingAssetAtFairValueSumOfChangesInFairValueResultingFromChangesInValuationInputsOrChangesInAssumptionsAndNetDerivativeGainsLosses	-242000000	usd
CY2009	wfc	Servicing Asset At Fair Value Sum Of Changes In Fair Value Resulting From Changes In Valuation Inputs Or Changes In Assumptions And Net Derivative Gains Losses ServicingAssetAtFairValueSumOfChangesInFairValueResultingFromChangesInValuationInputsOrChangesInAssumptionsAndNetDerivativeGainsLosses	5315000000	usd
CY2010	wfc	Servicing Asset At Fair Value Sum Of Changes In Fair Value Resulting From Changes In Valuation Inputs Or Changes In Assumptions And Net Derivative Gains Losses ServicingAssetAtFairValueSumOfChangesInFairValueResultingFromChangesInValuationInputsOrChangesInAssumptionsAndNetDerivativeGainsLosses	1528000000	usd
CY2008	wfc	Servicing Fees Non Interest Income ServicingFeesNonInterestIncome	4109000000	usd
CY2009	wfc	Servicing Fees Non Interest Income ServicingFeesNonInterestIncome	4176000000	usd
CY2010	wfc	Servicing Fees Non Interest Income ServicingFeesNonInterestIncome	4597000000	usd
CY2009	wfc	Shares Issued For Compensation Of Executive Officers Average Fair Value SharesIssuedForCompensationOfExecutiveOfficersAverageFairValue	27.77
CY2010	wfc	Shares Issued For Compensation Of Executive Officers Average Fair Value SharesIssuedForCompensationOfExecutiveOfficersAverageFairValue	27.44
CY2009	wfc	Shares Issued For Compensation Of Executive Officers Number SharesIssuedForCompensationOfExecutiveOfficersNumber	244689	shares
CY2010	wfc	Shares Issued For Compensation Of Executive Officers Number SharesIssuedForCompensationOfExecutiveOfficersNumber	62630	shares
CY2008	wfc	Short Term Debt Weighted Average Interest Rate Average ShortTermDebtWeightedAverageInterestRateAverage	0.0225	pure
CY2009	wfc	Short Term Debt Weighted Average Interest Rate Average ShortTermDebtWeightedAverageInterestRateAverage	0.0044	pure
CY2010	wfc	Short Term Debt Weighted Average Interest Rate Average ShortTermDebtWeightedAverageInterestRateAverage	0.0022	pure
CY2010	wfc	Significant Change In Unrecognized Tax Benefits Is Reasonably Possible Estimated Range Of Change Lower Bound SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleEstimatedRangeOfChangeLowerBound	100000000	usd
CY2010	wfc	Significant Change In Unrecognized Tax Benefits Is Reasonably Possible Estimated Range Of Change Upper Bound SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleEstimatedRangeOfChangeUpperBound	500000000	usd
CY2008	wfc	Stock Issued During Period Value StockIssuedDuringPeriodValue	14171000000	usd
CY2009	wfc	Stock Issued During Period Value StockIssuedDuringPeriodValue	21976000000	usd
CY2010	wfc	Stock Issued During Period Value StockIssuedDuringPeriodValue	1375000000	usd
CY2008	wfc	Total Mortgage Servicing Noninterest Income TotalMortgageServicingNoninterestIncome	1233000000	usd
CY2009	wfc	Total Mortgage Servicing Noninterest Income TotalMortgageServicingNoninterestIncome	5791000000	usd
CY2010	wfc	Total Mortgage Servicing Noninterest Income TotalMortgageServicingNoninterestIncome	3340000000	usd
CY2008	wfc	Trading Assets TradingAssets	177000000	usd
CY2009	wfc	Trading Assets TradingAssets	918000000	usd
CY2010	wfc	Trading Assets TradingAssets	1098000000	usd
CY2010	wfc	Transfer From Noncontrolling Interests To Long Term Debt TransferFromNoncontrollingInterestsToLongTermDebt	345000000	usd
CY2010	wfc	Transfers From Accrued Expenses And Other Liabilities On Adoption Of Consolidation Accounting Guidance TransfersFromAccruedExpensesAndOtherLiabilitiesOnAdoptionOfConsolidationAccountingGuidance	-32000000	usd
CY2008	wfc	Transfers From Loans To Foreclosed Assets TransfersFromLoansToForeclosedAssets	3031000000	usd
CY2009	wfc	Transfers From Loans To Foreclosed Assets TransfersFromLoansToForeclosedAssets	7604000000	usd
CY2010	wfc	Transfers From Loans To Foreclosed Assets TransfersFromLoansToForeclosedAssets	8699000000	usd
CY2008	wfc	Transfers From Mortgage Held For Sale To Foreclosed Assets TransfersFromMortgageHeldForSaleToForeclosedAssets	136000000	usd
CY2009	wfc	Transfers From Mortgage Held For Sale To Foreclosed Assets TransfersFromMortgageHeldForSaleToForeclosedAssets	162000000	usd
CY2010	wfc	Transfers From Mortgage Held For Sale To Foreclosed Assets TransfersFromMortgageHeldForSaleToForeclosedAssets	262000000	usd
CY2008	wfc	Transfers From Mortgage Held For Sale To Mortgage Service Rights TransfersFromMortgageHeldForSaleToMortgageServiceRights	3498000000	usd
CY2009	wfc	Transfers From Mortgage Held For Sale To Mortgage Service Rights TransfersFromMortgageHeldForSaleToMortgageServiceRights	6287000000	usd
CY2010	wfc	Transfers From Mortgage Held For Sale To Mortgage Service Rights TransfersFromMortgageHeldForSaleToMortgageServiceRights	4570000000	usd
CY2008	wfc	Transfers From Mortgage Held For Sale To Securities Available For Sale TransfersFromMortgageHeldForSaleToSecuritiesAvailableForSale	544000000	usd
CY2009	wfc	Transfers From Mortgage Held For Sale To Trading Assets TransfersFromMortgageHeldForSaleToTradingAssets	2993000000	usd
CY2010	wfc	Transfers From Mortgage Held For Sale To Trading Assets TransfersFromMortgageHeldForSaleToTradingAssets	19815000000	usd
CY2010	wfc	Transfers From Securities Available For Sale On Adoption Of Consolidation Accounting Guidance TransfersFromSecuritiesAvailableForSaleOnAdoptionOfConsolidationAccountingGuidance	-7590000000	usd
CY2008	wfc	Transfers From Securities Available For Sale To Loans TransfersFromSecuritiesAvailableForSaleToLoans	-283000000	usd
CY2009	wfc	Transfers From Securities Available For Sale To Loans TransfersFromSecuritiesAvailableForSaleToLoans	-258000000	usd
CY2010	wfc	Transfers From Securities Available For Sale To Loans TransfersFromSecuritiesAvailableForSaleToLoans	3476000000	usd
CY2009	wfc	Transfers From Trading Assets To Securities Available For Sale TransfersFromTradingAssetsToSecuritiesAvailableForSale	854000000	usd
CY2010	wfc	Transfers To Loans On Adoption Of Consolidation Accounting Guidance TransfersToLoansOnAdoptionOfConsolidationAccountingGuidance	26117000000	usd
CY2010	wfc	Transfers To Long Term Debt On Adoption Of Consolidation Accounting Guidance TransfersToLongTermDebtOnAdoptionOfConsolidationAccountingGuidance	13613000000	usd
CY2010	wfc	Transfers To Other Assets On Adoption Of Consolidation Accounting Guidance TransfersToOtherAssetsOnAdoptionOfConsolidationAccountingGuidance	212000000	usd
CY2010	wfc	Transfers To Short Term Borrowings On Adoption Of Consolidation Accounting Guidance TransfersToShortTermBorrowingsOnAdoptionOfConsolidationAccountingGuidance	5127000000	usd
CY2010	wfc	Transfers To Trading Assets On Adoption Of Consolidation Accounting Guidance TransfersToTradingAssetsOnAdoptionOfConsolidationAccountingGuidance	155000000	usd
CY2010Q4	wfc	Trust Preferred And Perpetual Preferred Purchase Securities Included In Tier One Capital TrustPreferredAndPerpetualPreferredPurchaseSecuritiesIncludedInTierOneCapital	19200000000	usd
CY2010Q4	wfc	Undistributed Foreign Earnings UndistributedForeignEarnings	1600000000	usd
CY2008	wfc	Unrealized Gain Loss On Mortgage Servicing Rights Mortgages Held For Sale And Loans Held For Sale UnrealizedGainLossOnMortgageServicingRightsMortgagesHeldForSaleAndLoansHeldForSale	-3789000000	usd
CY2009	wfc	Unrealized Gain Loss On Mortgage Servicing Rights Mortgages Held For Sale And Loans Held For Sale UnrealizedGainLossOnMortgageServicingRightsMortgagesHeldForSaleAndLoansHeldForSale	20000000	usd
CY2010	wfc	Unrealized Gain Loss On Mortgage Servicing Rights Mortgages Held For Sale And Loans Held For Sale UnrealizedGainLossOnMortgageServicingRightsMortgagesHeldForSaleAndLoansHeldForSale	1025000000	usd
CY2009	wfc	Unrecognized Tax Benefits Increases Resulting From Business Combination UnrecognizedTaxBenefitsIncreasesResultingFromBusinessCombination	6000000	usd
CY2010	wfc	Unrecognized Tax Benefits Increases Resulting From Business Combination UnrecognizedTaxBenefitsIncreasesResultingFromBusinessCombination	0	usd
CY2010Q4	wfc	Variable Interest Entities Accrued Expenses And Other Liabilities With Recourse To General Credit Of Company Carrying Value VariableInterestEntitiesAccruedExpensesAndOtherLiabilitiesWithRecourseToGeneralCreditOfCompanyCarryingValue	645000000	usd
CY2009Q4	wfc	Variable Interest Entities Lending Arrangements With Funds Managed By Majority Owned Subsidiaries VariableInterestEntitiesLendingArrangementsWithFundsManagedByMajorityOwnedSubsidiaries	20000000	usd
CY2010Q4	wfc	Variable Interest Entities Lending Arrangements With Funds Managed By Majority Owned Subsidiaries VariableInterestEntitiesLendingArrangementsWithFundsManagedByMajorityOwnedSubsidiaries	14000000	usd
CY2010Q4	wfc	Variable Interest Entities Longterm Debt With Recourse To General Credit Of Company Carrying Value VariableInterestEntitiesLongtermDebtWithRecourseToGeneralCreditOfCompanyCarryingValue	53000000	usd
CY2010Q4	wfc	Variable Interest Entities Shortterm Borrowings With Recourse To General Credit Of Company Carrying Value VariableInterestEntitiesShorttermBorrowingsWithRecourseToGeneralCreditOfCompanyCarryingValue	3600000000	usd
CY2010Q4	wfc	Variable Interest Entity Cash And Cash Equivalents Owned And Pledged As Collateral VariableInterestEntityCashAndCashEquivalentsOwnedAndPledgedAsCollateral	180000000	usd
CY2010Q4	wfc	Variable Interest Entity Consolidated Carrying Amount Liabilities VariableInterestEntityConsolidatedCarryingAmountLiabilities	6000000000	usd
CY2010Q4	wfc	Variable Interest Entity Loans Owned And Pledged As Collateral VariableInterestEntityLoansOwnedAndPledgedAsCollateral	6000000000	usd
CY2009Q4	wfc	Variable Interest Entity Nonconsolidated Total Assets VariableInterestEntityNonconsolidatedTotalAssets	1985999000000	usd
CY2010Q4	wfc	Variable Interest Entity Nonconsolidated Total Assets VariableInterestEntityNonconsolidatedTotalAssets	1442219000000	usd
CY2010Q4	wfc	Variable Interest Entity Securities Available For Sale Owned And Pledged As Collateral VariableInterestEntitySecuritiesAvailableForSaleOwnedAndPledgedAsCollateral	478000000	usd
CY2009Q4	wfc	Weighted Average Contractual Yield On Debt Securities WeightedAverageContractualYieldOnDebtSecurities	0.0533	pure
CY2010Q4	wfc	Weighted Average Contractual Yield On Debt Securities WeightedAverageContractualYieldOnDebtSecurities	0.0481	pure
CY2009Q4	wfc	Weighted Average Contractual Yield On Debt Securities Expected To Mature After Five And Through Ten Years WeightedAverageContractualYieldOnDebtSecuritiesExpectedToMatureAfterFiveAndThroughTenYears	0.0451	pure
CY2010Q4	wfc	Weighted Average Contractual Yield On Debt Securities Expected To Mature After Five And Through Ten Years WeightedAverageContractualYieldOnDebtSecuritiesExpectedToMatureAfterFiveAndThroughTenYears	0.0363	pure
CY2009Q4	wfc	Weighted Average Contractual Yield On Debt Securities Expected To Mature After One And Through Five Years WeightedAverageContractualYieldOnDebtSecuritiesExpectedToMatureAfterOneAndThroughFiveYears	0.0564	pure
CY2010Q4	wfc	Weighted Average Contractual Yield On Debt Securities Expected To Mature After One And Through Five Years WeightedAverageContractualYieldOnDebtSecuritiesExpectedToMatureAfterOneAndThroughFiveYears	0.0372	pure
CY2009Q4	wfc	Weighted Average Contractual Yield On Debt Securities Expected To Mature After Ten Years WeightedAverageContractualYieldOnDebtSecuritiesExpectedToMatureAfterTenYears	0.0537	pure
CY2010Q4	wfc	Weighted Average Contractual Yield On Debt Securities Expected To Mature After Ten Years WeightedAverageContractualYieldOnDebtSecuritiesExpectedToMatureAfterTenYears	0.051	pure
CY2009Q4	wfc	Weighted Average Contractual Yield On Debt Securities Expected To Mature Within One Year WeightedAverageContractualYieldOnDebtSecuritiesExpectedToMatureWithinOneYear	0.0463	pure
CY2010Q4	wfc	Weighted Average Contractual Yield On Debt Securities Expected To Mature Within One Year WeightedAverageContractualYieldOnDebtSecuritiesExpectedToMatureWithinOneYear	0.0412	pure
CY2008	wfc	Weighted Average Number Diluted Share Adjustment Restricted Share Rights WeightedAverageNumberDilutedShareAdjustmentRestrictedShareRights	100000	shares
CY2009	wfc	Weighted Average Number Diluted Share Adjustment Restricted Share Rights WeightedAverageNumberDilutedShareAdjustmentRestrictedShareRights	300000	shares
CY2010	wfc	Weighted Average Number Diluted Share Adjustment Restricted Share Rights WeightedAverageNumberDilutedShareAdjustmentRestrictedShareRights	8000000	shares

Files In Submission

Name	View Source	Status
0000950123-11-018541-index-headers.html	Edgar Link	pending
0000950123-11-018541-index.html	Edgar Link	pending
0000950123-11-018541.txt	Edgar Link	pending
0000950123-11-018541-xbrl.zip	Edgar Link	pending
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f56816exv10wx.htm	Edgar Link	pending
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f56816exv32wa.htm	Edgar Link	pending
f56816exv32wb.htm	Edgar Link	pending
f56816exv99.htm	Edgar Link	pending
f56816f5681601.gif	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xls	Edgar Link	pending
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wfc-20101231.xml	Edgar Link	completed
wfc-20101231.xsd	Edgar Link	pending
wfc-20101231_cal.xml	Edgar Link	unprocessable
wfc-20101231_def.xml	Edgar Link	unprocessable
wfc-20101231_lab.xml	Edgar Link	unprocessable
wfc-20101231_pre.xml	Edgar Link	unprocessable

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$WFC
WELLS FARGO & COMPANY/MN Stock $wfc

2010 Q4 Form 10-K Financial Statement

#000095012311018541 Filed on February 25, 2011

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$WFC WELLS FARGO & COMPANY/MN Stock $wfc

2010 Q4 Form 10-K Financial Statement

#000095012311018541 Filed on February 25, 2011

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$WFC
WELLS FARGO & COMPANY/MN Stock $wfc