$DFS
Discover Financial Services Stock $dfs

$dfs Overview Financials Valuation SEC Filings Company Website

2014 Form 10-K Financial Statement

#000139361215000007 Filed on February 25, 2015

Income Statement

Concept	2014	2013 Q4	2013 Q3
Revenue	$7.596B	$1.842B	$1.787B
YoY Change	7.53%	209.58%	5.43%
Cost Of Revenue
YoY Change
Gross Profit
YoY Change
Gross Profit Margin
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development	$346.0M		$81.00M
YoY Change	3.9%		14.08%
% of Gross Profit
Depreciation & Amortization	$126.0M	$28.00M	$27.00M
YoY Change	13.51%	16.18%	11.11%
% of Gross Profit
Operating Expenses	$346.0M		$81.00M
YoY Change	3.9%		14.08%
Operating Profit
YoY Change
Interest Expense	$1.134B	$273.0M	$278.0M
YoY Change	-1.05%	165.05%	-14.46%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	$3.694B	$937.0M	$946.0M
YoY Change	-6.34%	241.97%	-6.52%
Income Tax	$1.371B	$335.0M	$353.0M
% Of Pretax Income	37.11%	35.75%	37.32%
Net Earnings	$2.323B	$602.0M	$593.0M
YoY Change	-5.95%	254.12%	-5.42%
Net Earnings / Revenue	30.58%	32.68%	33.18%
Basic Earnings Per Share	$4.91	$1.24	$1.20
Diluted Earnings Per Share	$4.90	$1.23	$1.20
COMMON SHARES
Basic Shares Outstanding	462.0M shares	476.8M shares	482.0M shares
Diluted Shares Outstanding	463.0M shares		484.0M shares

Balance Sheet

Concept	2014	2013 Q4	2013 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments		$11.55B	$10.64B
YoY Change		31.12%	-21.23%
Cash & Equivalents		$6.554B	$5.623B
Short-Term Investments		$4.991B	$5.014B
Other Short-Term Assets
YoY Change
Inventory
Prepaid Expenses
Receivables
Other Receivables
Total Short-Term Assets
YoY Change
LONG-TERM ASSETS
Property, Plant & Equipment	$670.0M	$654.0M	$639.0M
YoY Change	2.45%	21.56%	22.97%
Goodwill		$284.0M	$284.0M
YoY Change		-0.7%	-1.06%
Intangibles		$185.0M	$188.0M
YoY Change		-2.12%	-2.18%
Long-Term Investments	$325.0M	$308.0M	$290.0M
YoY Change	5.52%
Other Assets
YoY Change
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets	$83.13B	$79.34B	$75.54B
YoY Change	4.77%	7.96%	2.21%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable
YoY Change
Accrued Expenses	$3.246B	$2.958B	$3.036B
YoY Change	9.74%	-11.36%	2.99%
Deferred Revenue
YoY Change
Short-Term Debt	$113.0M	$140.0M	$124.0M
YoY Change	-19.29%	-57.19%	-50.4%
Long-Term Debt Due	$3.302B
YoY Change
Total Short-Term Liabilities	$6.548B	$2.958B	$3.036B
YoY Change	121.37%	-11.36%	2.99%
LONG-TERM LIABILITIES
Long-Term Debt	$19.24B	$20.47B	$18.67B
YoY Change	-6.02%	3.78%	-3.02%
Other Long-Term Liabilities
YoY Change
Total Long-Term Liabilities	$19.24B	$20.47B	$18.67B
YoY Change	-6.02%	3.78%	-3.02%
TOTAL LIABILITIES
Total Short-Term Liabilities	$6.548B	$2.958B	$3.036B
Total Long-Term Liabilities	$19.24B	$20.47B	$18.67B
Total Liabilities	$71.99B	$68.53B	$64.94B
YoY Change	5.05%	7.72%	0.28%
SHAREHOLDERS EQUITY
Retained Earnings		$9.611B	$9.115B
YoY Change		28.63%	32.52%
Common Stock		$5.000M	$5.000M
YoY Change		0.0%	-9.52%
Preferred Stock
YoY Change
Treasury Stock (at cost)		$2.986B	$2.640B
YoY Change		76.69%	106.79%
Treasury Stock Shares		83.11M shares	76.48M shares
Shareholders Equity	$11.13B	$10.81B	$10.60B
YoY Change
Total Liabilities & Shareholders Equity	$83.13B	$79.34B	$75.54B
YoY Change	4.77%	7.96%	2.21%

Cashflow Statement

Concept	2014	2013 Q4	2013 Q3
OPERATING ACTIVITIES
Net Income	$2.323B	$602.0M	$593.0M
YoY Change	-5.95%	254.12%	-5.42%
Depreciation, Depletion And Amortization	$126.0M	$28.00M	$27.00M
YoY Change	13.51%	16.18%	11.11%
Cash From Operating Activities	$3.826B	$982.0M	$448.0M
YoY Change	8.79%	11.36%	-31.75%
INVESTING ACTIVITIES
Capital Expenditures	$145.0M	-$54.00M	-$60.00M
YoY Change	-37.23%	-515.38%	23.2%
Acquisitions
YoY Change
Other Investing Activities	-$4.052B	-$3.207B	-$1.074B
YoY Change	38.2%	-11.24%	298.22%
Cash From Investing Activities	-$4.197B	-$3.261B	-$1.134B
YoY Change	32.69%	-10.72%	256.27%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net	$1.559B
YoY Change	21.51%
Debt Paid & Issued, Net	$0.00
YoY Change
Cash From Financing Activities	1.101B	3.210B	565.0M
YoY Change	-69.55%	599.5%	-28.24%
NET CHANGE
Cash From Operating Activities	3.826B	982.0M	448.0M
Cash From Investing Activities	-4.197B	-3.261B	-1.134B
Cash From Financing Activities	1.101B	3.210B	565.0M
Net Change In Cash	730.0M	931.0M	-121.0M
YoY Change	-81.61%	-140.27%	-110.75%
FREE CASH FLOW
Cash From Operating Activities	$3.826B	$982.0M	$448.0M
Capital Expenditures	$145.0M	-$54.00M	-$60.00M
Free Cash Flow	$3.681B	$1.036B	$508.0M
YoY Change	12.02%	19.24%	-27.95%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2012	dfs	Assumption Of Debt By Buyer AssumptionOfDebtByBuyer	425000000	USD
CY2013	dfs	Assumption Of Debt By Buyer AssumptionOfDebtByBuyer	0	USD
CY2014	dfs	Assumption Of Debt By Buyer AssumptionOfDebtByBuyer	0	USD
CY2014Q4	dfs	Available For Sale Securities Debt Maturities After Five Years Through Ten Years Percentage AvailableForSaleSecuritiesDebtMaturitiesAfterFiveYearsThroughTenYearsPercentage	0.0153
CY2014Q4	dfs	Available For Sale Securities Debt Maturities After One Year Through Five Years Percentage AvailableForSaleSecuritiesDebtMaturitiesAfterOneYearThroughFiveYearsPercentage	0.0144
CY2015Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	447239938	shares
CY2012Q4	dfs	Assumption Of Debt By Buyer AssumptionOfDebtByBuyer	0	USD
CY2014	dei	Amendment Flag AmendmentFlag	false
CY2014	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2014	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2014	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2014
CY2014	dei	Document Period End Date DocumentPeriodEndDate	2014-12-31
CY2014	dei	Document Type DocumentType	10-K
CY2014	dei	Entity Central Index Key EntityCentralIndexKey	0001393612
CY2014	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2014	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2014Q2	dei	Entity Public Float EntityPublicFloat	28651886813	USD
CY2014	dei	Entity Registrant Name EntityRegistrantName	Discover Financial Services
CY2014	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2014	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2013Q4	dfs	Aggregate Unpaid Principal Loans Held For Sale Fair Value Option AggregateUnpaidPrincipalLoansHeldForSaleFairValueOption	146000000	USD
CY2014Q4	dfs	Aggregate Unpaid Principal Loans Held For Sale Fair Value Option AggregateUnpaidPrincipalLoansHeldForSaleFairValueOption	117000000	USD
CY2014Q4	dfs	Available For Sale Securities Debt Maturities After Ten Years Percentage AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsPercentage	0.0205
CY2014Q4	dfs	Available For Sale Securities Debt Maturities Percentage AvailableForSaleSecuritiesDebtMaturitiesPercentage	0.0169
CY2014Q4	dfs	Available For Sale Securities Debt Maturities Within One Year Percentage AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearPercentage	0.0168
CY2014	dfs	Bankruptcy And Probate Charge Off Period BankruptcyAndProbateChargeOffPeriod	P60D
CY2012Q4	dfs	Business Combination Contingent Consideration Arrangement Settlement Amount Fair Value BusinessCombinationContingentConsiderationArrangementSettlementAmountFairValue	0	USD
CY2012	dfs	Business Combination Contingent Consideration Arrangement Settlement Amount Fair Value BusinessCombinationContingentConsiderationArrangementSettlementAmountFairValue	0	USD
CY2013	dfs	Business Combination Contingent Consideration Arrangement Settlement Amount Fair Value BusinessCombinationContingentConsiderationArrangementSettlementAmountFairValue	9000000	USD
CY2014	dfs	Business Combination Contingent Consideration Arrangement Settlement Amount Fair Value BusinessCombinationContingentConsiderationArrangementSettlementAmountFairValue	0	USD
CY2012Q4	dfs	Charge Offs Net ChargeOffsNet	115000000	USD
CY2012	dfs	Charge Offs Net ChargeOffsNet	1328000000	USD
CY2013	dfs	Charge Offs Net ChargeOffsNet	1226000000	USD
CY2014	dfs	Charge Offs Net ChargeOffsNet	1345000000	USD
CY2014	dfs	Consolidation Percentage ConsolidationPercentage	0.5
CY2014	dfs	Cost Method Ownership Percentage CostMethodOwnershipPercentage	0.2
CY2012Q4	dfs	Credit Bureau Inquiry Fees CreditBureauInquiryFees	1000000	USD
CY2012	dfs	Credit Bureau Inquiry Fees CreditBureauInquiryFees	20000000	USD
CY2013	dfs	Credit Bureau Inquiry Fees CreditBureauInquiryFees	19000000	USD
CY2014	dfs	Credit Bureau Inquiry Fees CreditBureauInquiryFees	19000000	USD
CY2012Q4	dfs	Credit Card Rewards Cost Adjusted For Estimated Forfeitures CreditCardRewardsCostAdjustedForEstimatedForfeitures	123000000	USD
CY2012	dfs	Credit Card Rewards Cost Adjusted For Estimated Forfeitures CreditCardRewardsCostAdjustedForEstimatedForfeitures	1000000000	USD
CY2013	dfs	Credit Card Rewards Cost Adjusted For Estimated Forfeitures CreditCardRewardsCostAdjustedForEstimatedForfeitures	1000000000	USD
CY2014	dfs	Credit Card Rewards Cost Adjusted For Estimated Forfeitures CreditCardRewardsCostAdjustedForEstimatedForfeitures	1400000000	USD
CY2013Q4	dfs	Credit Card Rewards Liability Net CreditCardRewardsLiabilityNet	1100000000	USD
CY2014Q4	dfs	Credit Card Rewards Liability Net CreditCardRewardsLiabilityNet	1400000000	USD
CY2013Q4	dfs	Deferred Tax Asset Customer Fees And Rewards DeferredTaxAssetCustomerFeesAndRewards	212000000	USD
CY2014Q4	dfs	Deferred Tax Asset Customer Fees And Rewards DeferredTaxAssetCustomerFeesAndRewards	212000000	USD
CY2013Q4	dfs	Deferred Tax Liabilities Debt Exchange Premium DeferredTaxLiabilitiesDebtExchangePremium	98000000	USD
CY2014Q4	dfs	Deferred Tax Liabilities Debt Exchange Premium DeferredTaxLiabilitiesDebtExchangePremium	91000000	USD
CY2013Q4	dfs	Deferred Tax Liabilities Deferred Loan Acquisition Costs DeferredTaxLiabilitiesDeferredLoanAcquisitionCosts	16000000	USD
CY2014Q4	dfs	Deferred Tax Liabilities Deferred Loan Acquisition Costs DeferredTaxLiabilitiesDeferredLoanAcquisitionCosts	23000000	USD
CY2013Q4	dfs	Deferred Tax Liabilities Partnership Investments DeferredTaxLiabilitiesPartnershipInvestments	0	USD
CY2014Q4	dfs	Deferred Tax Liabilities Partnership Investments DeferredTaxLiabilitiesPartnershipInvestments	19000000	USD
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CY2013Q4	dfs	Derivative Collateral Rightto Reclaim Cashand Securities DerivativeCollateralRighttoReclaimCashandSecurities	7000000	USD
CY2014Q4	dfs	Derivative Collateral Rightto Reclaim Cashand Securities DerivativeCollateralRighttoReclaimCashandSecurities	23000000	USD
CY2012Q4	dfs	Discount And Interchange Revenue DiscountAndInterchangeRevenue	82000000	USD
CY2012	dfs	Discount And Interchange Revenue DiscountAndInterchangeRevenue	1035000000	USD
CY2013	dfs	Discount And Interchange Revenue DiscountAndInterchangeRevenue	1126000000	USD
CY2014	dfs	Discount And Interchange Revenue DiscountAndInterchangeRevenue	979000000	USD
CY2012Q4	dfs	Eliminationofcreditcardrewardsprogramforfeitures Eliminationofcreditcardrewardsprogramforfeitures	0	USD
CY2012	dfs	Eliminationofcreditcardrewardsprogramforfeitures Eliminationofcreditcardrewardsprogramforfeitures	0	USD
CY2013	dfs	Eliminationofcreditcardrewardsprogramforfeitures Eliminationofcreditcardrewardsprogramforfeitures	0	USD
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CY2013Q4	dfs	Fair Value Loans Held For Sale Fair Value Option FairValueLoansHeldForSaleFairValueOption	148000000	USD
CY2014Q4	dfs	Fair Value Loans Held For Sale Fair Value Option FairValueLoansHeldForSaleFairValueOption	122000000	USD
CY2012Q4	dfs	Fees Accrued Subsequently Charged Off Net Of Recoveries FeesAccruedSubsequentlyChargedOffNetOfRecoveries	5000000	USD
CY2012	dfs	Fees Accrued Subsequently Charged Off Net Of Recoveries FeesAccruedSubsequentlyChargedOffNetOfRecoveries	67000000	USD
CY2013	dfs	Fees Accrued Subsequently Charged Off Net Of Recoveries FeesAccruedSubsequentlyChargedOffNetOfRecoveries	59000000	USD
CY2014	dfs	Fees Accrued Subsequently Charged Off Net Of Recoveries FeesAccruedSubsequentlyChargedOffNetOfRecoveries	69000000	USD
CY2014	dfs	Financing Receivable Modifications Subsequent Default Numberof Missed Payments FinancingReceivableModificationsSubsequentDefaultNumberofMissedPayments	2	missed_payments
CY2013Q4	dfs	Financing Receivable Recorded Investment30 To89 Days Past Due FinancingReceivableRecordedInvestment30To89DaysPastDue	535000000	USD
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CY2012Q4	dfs	Fraud Losses FraudLosses	9000000	USD
CY2012	dfs	Fraud Losses FraudLosses	93000000	USD
CY2013	dfs	Fraud Losses FraudLosses	110000000	USD
CY2014	dfs	Fraud Losses FraudLosses	134000000	USD
CY2014	dfs	Fraudulent Transaction Charge Off Period FraudulentTransactionChargeOffPeriod	P90D
CY2014Q4	dfs	Held To Maturity Securities Debt Maturities After Five Years Though Ten Years Percentage HeldToMaturitySecuritiesDebtMaturitiesAfterFiveYearsThoughTenYearsPercentage	0.0000
CY2014Q4	dfs	Held To Maturity Securities Debt Maturities After One Year Through Five Years Percentage HeldToMaturitySecuritiesDebtMaturitiesAfterOneYearThroughFiveYearsPercentage	0.0000
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CY2014Q4	dfs	Held To Maturity Securities Debt Maturities Percentage HeldToMaturitySecuritiesDebtMaturitiesPercentage	0.0298
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CY2012Q4	dfs	Incentive Expense IncentiveExpense	5000000	USD
CY2012	dfs	Incentive Expense IncentiveExpense	59000000	USD
CY2013	dfs	Incentive Expense IncentiveExpense	61000000	USD
CY2014	dfs	Incentive Expense IncentiveExpense	50000000	USD
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CY2014Q4	dfs	Intangible Assets Gross Carrying Amount IntangibleAssetsGrossCarryingAmount	243000000	USD
CY2012Q4	dfs	Interest And Fees Accrued Subsequently Charged Off Net Of Recoveries InterestAndFeesAccruedSubsequentlyChargedOffNetOfRecoveries	26000000	USD
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CY2013	dfs	Interest And Fees Accrued Subsequently Charged Off Net Of Recoveries InterestAndFeesAccruedSubsequentlyChargedOffNetOfRecoveries	280000000	USD
CY2014	dfs	Interest And Fees Accrued Subsequently Charged Off Net Of Recoveries InterestAndFeesAccruedSubsequentlyChargedOffNetOfRecoveries	283000000	USD
CY2012Q4	dfs	Litigation Expense Excluding Legal Service Provider LitigationExpenseExcludingLegalServiceProvider	0	USD
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CY2013	dfs	Litigation Expense Excluding Legal Service Provider LitigationExpenseExcludingLegalServiceProvider	-12000000	USD
CY2014	dfs	Litigation Expense Excluding Legal Service Provider LitigationExpenseExcludingLegalServiceProvider	0	USD
CY2014	dfs	Loan Portfolio Segments LoanPortfolioSegments	3	segment
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CY2014Q4	dfs	Loansand Leases Receivable Excluding Loans Heldfor Sale Gross LoansandLeasesReceivableExcludingLoansHeldforSaleGross	69847000000	USD
CY2012Q4	dfs	Mortgage Loans On Real Estate Initial Unpaid Principal Balance Of Mortgages Sold MortgageLoansOnRealEstateInitialUnpaidPrincipalBalanceOfMortgagesSold	363000000	USD
CY2012	dfs	Mortgage Loans On Real Estate Initial Unpaid Principal Balance Of Mortgages Sold MortgageLoansOnRealEstateInitialUnpaidPrincipalBalanceOfMortgagesSold	1726000000	USD
CY2013	dfs	Mortgage Loans On Real Estate Initial Unpaid Principal Balance Of Mortgages Sold MortgageLoansOnRealEstateInitialUnpaidPrincipalBalanceOfMortgagesSold	4015000000	USD
CY2014	dfs	Mortgage Loans On Real Estate Initial Unpaid Principal Balance Of Mortgages Sold MortgageLoansOnRealEstateInitialUnpaidPrincipalBalanceOfMortgagesSold	2736000000	USD
CY2012Q4	dfs	Mortgage Loans On Real Estate Initial Unpaid Principal Balance Of Mortgages Sold Percent MortgageLoansOnRealEstateInitialUnpaidPrincipalBalanceOfMortgagesSoldPercent	1.0000
CY2012	dfs	Mortgage Loans On Real Estate Initial Unpaid Principal Balance Of Mortgages Sold Percent MortgageLoansOnRealEstateInitialUnpaidPrincipalBalanceOfMortgagesSoldPercent	1.0000
CY2013	dfs	Mortgage Loans On Real Estate Initial Unpaid Principal Balance Of Mortgages Sold Percent MortgageLoansOnRealEstateInitialUnpaidPrincipalBalanceOfMortgagesSoldPercent	1.0000
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CY2012Q4	dfs	Net Income Loss Allocated To Common Stockholders NetIncomeLossAllocatedToCommonStockholders	168000000	USD
CY2012	dfs	Net Income Loss Allocated To Common Stockholders NetIncomeLossAllocatedToCommonStockholders	2318000000	USD
CY2013Q1	dfs	Net Income Loss Allocated To Common Stockholders NetIncomeLossAllocatedToCommonStockholders	659000000	USD
CY2013Q2	dfs	Net Income Loss Allocated To Common Stockholders NetIncomeLossAllocatedToCommonStockholders	588000000	USD
CY2013Q3	dfs	Net Income Loss Allocated To Common Stockholders NetIncomeLossAllocatedToCommonStockholders	579000000	USD
CY2013Q4	dfs	Net Income Loss Allocated To Common Stockholders NetIncomeLossAllocatedToCommonStockholders	588000000	USD
CY2013	dfs	Net Income Loss Allocated To Common Stockholders NetIncomeLossAllocatedToCommonStockholders	2414000000	USD
CY2014Q1	dfs	Net Income Loss Allocated To Common Stockholders NetIncomeLossAllocatedToCommonStockholders	618000000	USD
CY2014Q2	dfs	Net Income Loss Allocated To Common Stockholders NetIncomeLossAllocatedToCommonStockholders	630000000	USD
CY2014Q3	dfs	Net Income Loss Allocated To Common Stockholders NetIncomeLossAllocatedToCommonStockholders	630000000	USD
CY2014Q4	dfs	Net Income Loss Allocated To Common Stockholders NetIncomeLossAllocatedToCommonStockholders	392000000	USD
CY2014	dfs	Net Income Loss Allocated To Common Stockholders NetIncomeLossAllocatedToCommonStockholders	2270000000	USD
CY2012Q4	dfs	Other Other Expense OtherOtherExpense	11000000	USD
CY2012	dfs	Other Other Expense OtherOtherExpense	107000000	USD
CY2013	dfs	Other Other Expense OtherOtherExpense	198000000	USD
CY2014	dfs	Other Other Expense OtherOtherExpense	165000000	USD
CY2012Q4	dfs	Percentage Of Defaulted Loans That Charged Off PercentageOfDefaultedLoansThatChargedOff	0.39
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CY2014	dfs	Percentage Of Defaulted Loans That Charged Off PercentageOfDefaultedLoansThatChargedOff	0.35
CY2014	dfs	Period Within Which Resolution Of Tax Appeal Reasonably Possible PeriodWithinWhichResolutionOfTaxAppealReasonablyPossible	P12M
CY2012Q4	dfs	Premium Paid On Debt Exchange PremiumPaidOnDebtExchange	0	USD
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CY2012Q4	dfs	Purchase Of Net Assets Of Business PurchaseOfNetAssetsOfBusiness	0	USD
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CY2014Q4	dfs	Settlement Withholdings And Escrow Deposits SettlementWithholdingsAndEscrowDeposits	16000000	USD
CY2014	dfs	Sharebased Compensation Plans SharebasedCompensationPlans	2	plans
CY2014	dfs	Student Loan Forbearance Lifetime Cap StudentLoanForbearanceLifetimeCap	P12M
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CY2014Q4	dfs	Student Loans In Forbearance StudentLoansInForbearance	49000000	USD
CY2013Q4	dfs	Time Deposits From One Hundred Thousand Dollars To Less Than Two Hundred And Fifty Thousand Dollars TimeDepositsFromOneHundredThousandDollarsToLessThanTwoHundredAndFiftyThousandDollars	4860000000	USD
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CY2013Q4	dfs	Time Deposits Two Hundred And Fifty Thousand Dollars Or Greater TimeDepositsTwoHundredAndFiftyThousandDollarsOrGreater	1180000000	USD
CY2014Q4	dfs	Time Deposits Two Hundred And Fifty Thousand Dollars Or Greater TimeDepositsTwoHundredAndFiftyThousandDollarsOrGreater	1153000000	USD
CY2012Q4	dfs	Transaction Processing Revenue TransactionProcessingRevenue	18000000	USD
CY2012	dfs	Transaction Processing Revenue TransactionProcessingRevenue	218000000	USD
CY2013	dfs	Transaction Processing Revenue TransactionProcessingRevenue	192000000	USD
CY2014	dfs	Transaction Processing Revenue TransactionProcessingRevenue	182000000	USD
CY2013Q4	dfs	Unamortrized Deferred Incentive Payments UnamortrizedDeferredIncentivePayments	23000000	USD
CY2014Q4	dfs	Unamortrized Deferred Incentive Payments UnamortrizedDeferredIncentivePayments	22000000	USD
CY2013Q4	us-gaap	Accrued Liabilities Current And Noncurrent AccruedLiabilitiesCurrentAndNoncurrent	2958000000	USD
CY2014Q4	us-gaap	Accrued Liabilities Current And Noncurrent AccruedLiabilitiesCurrentAndNoncurrent	3246000000	USD
CY2011Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-52000000	USD
CY2012Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-72000000	USD
CY2013Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-68000000	USD
CY2014Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-138000000	USD
CY2012Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-75000000	USD
CY2014Q4	us-gaap	Additional Collateral Aggregate Fair Value AdditionalCollateralAggregateFairValue	97000000	USD
CY2013Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	3687000000	USD
CY2014Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	3790000000	USD
CY2012Q4	us-gaap	Advertising Expense AdvertisingExpense	17000000	USD
CY2012	us-gaap	Advertising Expense AdvertisingExpense	172000000	USD
CY2013	us-gaap	Advertising Expense AdvertisingExpense	208000000	USD
CY2014	us-gaap	Advertising Expense AdvertisingExpense	194000000	USD
CY2012Q4	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	3000000	USD
CY2012	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	47000000	USD
CY2013	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	59000000	USD
CY2014	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	60000000	USD
CY2012Q4	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1000000	USD
CY2012	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	11000000	USD
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CY2014	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	10000000	USD
CY2013Q4	us-gaap	Assets Assets	79340000000	USD
CY2014Q4	us-gaap	Assets Assets	83126000000	USD
CY2013Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	53000000	USD
CY2014Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	37000000	USD
CY2013Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	22000000	USD
CY2014Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	1000000	USD
CY2013Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	4900000000	USD
CY2014Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	3811000000	USD
CY2014Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost	493000000	USD
CY2014Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	495000000	USD
CY2014Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	1097000000	USD
CY2014Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	1111000000	USD
CY2014Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost	980000000	USD
CY2014Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	990000000	USD
CY2014Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	1241000000	USD
CY2014Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	1251000000	USD
CY2013Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	4931000000	USD
CY2014Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	3847000000	USD
CY2012Q4	us-gaap	Available For Sale Securities Gross Realized Gain Loss Net AvailableForSaleSecuritiesGrossRealizedGainLossNet	0	USD
CY2012	us-gaap	Available For Sale Securities Gross Realized Gain Loss Net AvailableForSaleSecuritiesGrossRealizedGainLossNet	0	USD
CY2013	us-gaap	Available For Sale Securities Gross Realized Gain Loss Net AvailableForSaleSecuritiesGrossRealizedGainLossNet	2000000	USD
CY2014	us-gaap	Available For Sale Securities Gross Realized Gain Loss Net AvailableForSaleSecuritiesGrossRealizedGainLossNet	4000000	USD
CY2012Q4	us-gaap	Business Combination Liabilities Arising From Contingencies Amount Recognized BusinessCombinationLiabilitiesArisingFromContingenciesAmountRecognized	0	USD
CY2013Q4	us-gaap	Business Combination Liabilities Arising From Contingencies Amount Recognized BusinessCombinationLiabilitiesArisingFromContingenciesAmountRecognized	0	USD
CY2014Q4	us-gaap	Business Combination Liabilities Arising From Contingencies Amount Recognized BusinessCombinationLiabilitiesArisingFromContingenciesAmountRecognized	0	USD
CY2012Q4	us-gaap	Business Combination Liabilities Arising From Contingencies Amount Recognized BusinessCombinationLiabilitiesArisingFromContingenciesAmountRecognized	8000000	USD
CY2014Q4	us-gaap	Capital Leases Future Minimum Payments Due CapitalLeasesFutureMinimumPaymentsDue	1000000	USD
CY2014Q4	us-gaap	Capital Leases Future Minimum Payments Due Current CapitalLeasesFutureMinimumPaymentsDueCurrent	1000000	USD
CY2014Q4	us-gaap	Capital Leases Future Minimum Payments Due In Five Years CapitalLeasesFutureMinimumPaymentsDueInFiveYears	0	USD
CY2014Q4	us-gaap	Capital Leases Future Minimum Payments Due In Four Years CapitalLeasesFutureMinimumPaymentsDueInFourYears	0	USD
CY2014Q4	us-gaap	Capital Leases Future Minimum Payments Due In Three Years CapitalLeasesFutureMinimumPaymentsDueInThreeYears	0	USD
CY2014Q4	us-gaap	Capital Leases Future Minimum Payments Due In Two Years CapitalLeasesFutureMinimumPaymentsDueInTwoYears	0	USD
CY2014Q4	us-gaap	Capital Leases Future Minimum Payments Due Thereafter CapitalLeasesFutureMinimumPaymentsDueThereafter	0	USD
CY2014Q4	us-gaap	Capital Leases Future Minimum Payments Interest Included In Payments CapitalLeasesFutureMinimumPaymentsInterestIncludedInPayments	0	USD
CY2014Q4	us-gaap	Capital Leases Future Minimum Payments Present Value Of Net Minimum Payments CapitalLeasesFutureMinimumPaymentsPresentValueOfNetMinimumPayments	1000000	USD
CY2012Q4	us-gaap	Capitalized Computer Software Amortization CapitalizedComputerSoftwareAmortization	3000000	USD
CY2012	us-gaap	Capitalized Computer Software Amortization CapitalizedComputerSoftwareAmortization	32000000	USD
CY2013	us-gaap	Capitalized Computer Software Amortization CapitalizedComputerSoftwareAmortization	41000000	USD
CY2014	us-gaap	Capitalized Computer Software Amortization CapitalizedComputerSoftwareAmortization	48000000	USD
CY2011Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	2850000000	USD
CY2012Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	2584000000	USD
CY2013Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	6554000000	USD
CY2014Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	7284000000	USD
CY2012Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	3926000000	USD
CY2012Q4	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-1342000000	USD
CY2012	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	1076000000	USD
CY2013	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	3970000000	USD
CY2014	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	730000000	USD
CY2013Q4	us-gaap	Cash And Due From Banks CashAndDueFromBanks	719000000	USD
CY2014Q4	us-gaap	Cash And Due From Banks CashAndDueFromBanks	846000000	USD
CY2011Q4	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYield	2580000000	USD
CY2012Q4	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYield	2072000000	USD
CY2013Q4	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYield	1580000000	USD
CY2014Q4	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYield	1341000000	USD
CY2012Q4	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYield	2096000000	USD
CY2012Q4	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Accretion CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAccretion	24000000	USD
CY2012	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Accretion CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAccretion	303000000	USD
CY2013	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Accretion CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAccretion	272000000	USD
CY2014	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Accretion CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAccretion	260000000	USD
CY2012Q4	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Reclassifications To From Nonaccretable Difference CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldReclassificationsToFromNonaccretableDifference	0	USD
CY2012	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Reclassifications To From Nonaccretable Difference CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldReclassificationsToFromNonaccretableDifference	-181000000	USD
CY2013	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Reclassifications To From Nonaccretable Difference CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldReclassificationsToFromNonaccretableDifference	-220000000	USD
CY2014	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Reclassifications To From Nonaccretable Difference CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldReclassificationsToFromNonaccretableDifference	21000000	USD
CY2013Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2014Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2012Q4	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.14
CY2012	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.40
CY2013	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.60
CY2014	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.92
CY2013Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2014Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2013Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	2000000000	shares
CY2014Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	2000000000	shares
CY2013Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	555349629	shares
CY2014Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	558194324	shares
CY2013Q4	us-gaap	Common Stock Value CommonStockValue	5000000	USD
CY2014Q4	us-gaap	Common Stock Value CommonStockValue	5000000	USD
CY2012Q4	us-gaap	Communications And Information Technology CommunicationsAndInformationTechnology	25000000	USD
CY2012	us-gaap	Communications And Information Technology CommunicationsAndInformationTechnology	289000000	USD
CY2013	us-gaap	Communications And Information Technology CommunicationsAndInformationTechnology	333000000	USD
CY2014	us-gaap	Communications And Information Technology CommunicationsAndInformationTechnology	346000000	USD
CY2012Q4	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	173000000	USD
CY2012	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	2322000000	USD
CY2013	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	2474000000	USD
CY2014	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	2253000000	USD
CY2012Q4	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	101000000	USD
CY2012	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	1113000000	USD
CY2013	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	1065000000	USD
CY2014	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	1215000000	USD
CY2012Q4	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	116000000	USD
CY2012	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	1262000000	USD
CY2013	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	1152000000	USD
CY2014	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	1382000000	USD
CY2012Q4	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	15000000	USD
CY2012	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	149000000	USD
CY2013	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	87000000	USD
CY2014	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	167000000	USD
CY2013Q4	us-gaap	Deferred Costs Credit Card Origination Costs Amount DeferredCostsCreditCardOriginationCostsAmount	43000000	USD
CY2014Q4	us-gaap	Deferred Costs Credit Card Origination Costs Amount DeferredCostsCreditCardOriginationCostsAmount	63000000	USD
CY2012Q4	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-11000000	USD
CY2012	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	136000000	USD
CY2013	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	295000000	USD
CY2014	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-7000000	USD
CY2012Q4	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-12000000	USD
CY2012	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	146000000	USD
CY2013	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	322000000	USD
CY2014	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-11000000	USD
CY2013Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	272000000	USD
CY2014Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	301000000	USD
CY2012Q4	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-1000000	USD
CY2012	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	10000000	USD
CY2013	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	27000000	USD
CY2014	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-4000000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	1063000000	USD
CY2014Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	1146000000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	754000000	USD
CY2014Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	804000000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	1026000000	USD
CY2014Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	1105000000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	72000000	USD
CY2014Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	77000000	USD
CY2013Q4	us-gaap	Deferred Tax Assets State Taxes DeferredTaxAssetsStateTaxes	65000000	USD
CY2014Q4	us-gaap	Deferred Tax Assets State Taxes DeferredTaxAssetsStateTaxes	75000000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits	87000000	USD
CY2014Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits	123000000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Provision For Loan Losses DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses	627000000	USD
CY2014Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Provision For Loan Losses DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses	659000000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	37000000	USD
CY2014Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	41000000	USD
CY2013Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	22000000	USD
CY2014Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	15000000	USD
CY2013Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	13000000	USD
CY2014Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	6000000	USD
CY2013Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	83000000	USD
CY2014Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	116000000	USD
CY2013Q4	us-gaap	Deferred Tax Liabilities Tax Deferred Income DeferredTaxLiabilitiesTaxDeferredIncome	40000000	USD
CY2014Q4	us-gaap	Deferred Tax Liabilities Tax Deferred Income DeferredTaxLiabilitiesTaxDeferredIncome	31000000	USD
CY2012Q4	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	3000000	USD
CY2012	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	42000000	USD
CY2013	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	50000000	USD
CY2014	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	52000000	USD
CY2013Q4	us-gaap	Deposits Deposits	44959000000	USD
CY2014Q4	us-gaap	Deposits Deposits	46089000000	USD
CY2013Q4	us-gaap	Deposits Savings Deposits DepositsSavingsDeposits	17515000000	USD
CY2014Q4	us-gaap	Deposits Savings Deposits DepositsSavingsDeposits	18656000000	USD
CY2012Q4	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	9000000	USD
CY2012	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	95000000	USD
CY2013	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	111000000	USD
CY2014	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	126000000	USD
CY2012Q4	us-gaap	Depreciation And Amortization DepreciationAndAmortization	6000000	USD
CY2012	us-gaap	Depreciation And Amortization DepreciationAndAmortization	63000000	USD
CY2013	us-gaap	Depreciation And Amortization DepreciationAndAmortization	65000000	USD
CY2014	us-gaap	Depreciation And Amortization DepreciationAndAmortization	78000000	USD
CY2013Q4	us-gaap	Derivative Collateral Obligation To Return Cash DerivativeCollateralObligationToReturnCash	61000000	USD
CY2014Q4	us-gaap	Derivative Collateral Obligation To Return Cash DerivativeCollateralObligationToReturnCash	20000000	USD
CY2013Q4	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	79000000	USD
CY2014Q4	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	43000000	USD
CY2013Q4	us-gaap	Derivative Fair Value Of Derivative Asset Amount Offset Against Collateral DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral	18000000	USD
CY2014Q4	us-gaap	Derivative Fair Value Of Derivative Asset Amount Offset Against Collateral DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral	23000000	USD
CY2013Q4	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	7000000	USD
CY2014Q4	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	23000000	USD
CY2013Q4	us-gaap	Derivative Fair Value Of Derivative Liability Amount Offset Against Collateral DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral	0	USD
CY2014Q4	us-gaap	Derivative Fair Value Of Derivative Liability Amount Offset Against Collateral DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral	0	USD
CY2012Q4	us-gaap	Dividends Common Stock DividendsCommonStock	71000000	USD
CY2012	us-gaap	Dividends Common Stock DividendsCommonStock	210000000	USD
CY2013	us-gaap	Dividends Common Stock DividendsCommonStock	294000000	USD
CY2014	us-gaap	Dividends Common Stock DividendsCommonStock	430000000	USD
CY2012Q4	us-gaap	Dividends Preferred Stock DividendsPreferredStock	0	USD
CY2012	us-gaap	Dividends Preferred Stock DividendsPreferredStock	5000000	USD
CY2013	us-gaap	Dividends Preferred Stock DividendsPreferredStock	37000000	USD
CY2014	us-gaap	Dividends Preferred Stock DividendsPreferredStock	37000000	USD
CY2012Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.34
CY2012	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	4.47
CY2013Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.33
CY2013Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.20
CY2013Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.20
CY2013Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.24
CY2013	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	4.97
CY2014Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.31
CY2014Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.35
CY2014Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.37
CY2014Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.87
CY2014	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	4.91
CY2012Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.34
CY2012	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	4.46
CY2013Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.33
CY2013Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.20
CY2013Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.20
CY2013Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.23
CY2013	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	4.96
CY2014Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.31
CY2014Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.35
CY2014Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.37
CY2014Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.87
CY2014	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	4.90
CY2012Q4	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.381
CY2012	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.375
CY2013	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.374
CY2014	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.371
CY2012Q4	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35
CY2012	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35
CY2013	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35
CY2014	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35
CY2012Q4	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.001
CY2012	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.004
CY2013	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.002
CY2014	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.007
CY2012Q4	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.032
CY2012	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.029
CY2013	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.022
CY2014	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.028
CY2012Q4	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	1000000	USD
CY2012	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	18000000	USD
CY2013	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	22000000	USD
CY2014	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	22000000	USD
CY2013	us-gaap	Fair Value Option Changes In Fair Value Gain Loss1 FairValueOptionChangesInFairValueGainLoss1	-37000000	USD
CY2014	us-gaap	Fair Value Option Changes In Fair Value Gain Loss1 FairValueOptionChangesInFairValueGainLoss1	-18000000	USD
CY2012Q4	us-gaap	Fees And Commissions Credit Cards FeesAndCommissionsCreditCards	29000000	USD
CY2012	us-gaap	Fees And Commissions Credit Cards FeesAndCommissionsCreditCards	325000000	USD
CY2013	us-gaap	Fees And Commissions Credit Cards FeesAndCommissionsCreditCards	320000000	USD
CY2014	us-gaap	Fees And Commissions Credit Cards FeesAndCommissionsCreditCards	334000000	USD
CY2012Q4	us-gaap	Fees And Commissions Other FeesAndCommissionsOther	33000000	USD
CY2012	us-gaap	Fees And Commissions Other FeesAndCommissionsOther	409000000	USD
CY2013	us-gaap	Fees And Commissions Other FeesAndCommissionsOther	350000000	USD
CY2014	us-gaap	Fees And Commissions Other FeesAndCommissionsOther	314000000	USD
CY2013Q4	us-gaap	Financing Receivable Acquired With Deteriorated Credit Quality FinancingReceivableAcquiredWithDeterioratedCreditQuality	4178000000	USD
CY2014Q4	us-gaap	Financing Receivable Acquired With Deteriorated Credit Quality FinancingReceivableAcquiredWithDeterioratedCreditQuality	3660000000	USD
CY2013Q4	us-gaap	Financing Receivable Allowance For Credit Losses Acquired With Deteriorated Credit Quality FinancingReceivableAllowanceForCreditLossesAcquiredWithDeterioratedCreditQuality	28000000	USD
CY2014Q4	us-gaap	Financing Receivable Allowance For Credit Losses Acquired With Deteriorated Credit Quality FinancingReceivableAllowanceForCreditLossesAcquiredWithDeterioratedCreditQuality	28000000	USD
CY2013Q4	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	1404000000	USD
CY2014Q4	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	1525000000	USD
CY2013Q4	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	216000000	USD
CY2014Q4	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	193000000	USD
CY2012Q4	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	41000000	USD
CY2012	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	581000000	USD
CY2013	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	513000000	USD
CY2014	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	461000000	USD
CY2012Q4	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	156000000	USD
CY2012	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	1909000000	USD
CY2013	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	1739000000	USD
CY2014	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	1806000000	USD
CY2013Q4	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	60184000000	USD
CY2014Q4	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	64997000000	USD
CY2013Q4	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	1261000000	USD
CY2014Q4	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	1190000000	USD
CY2013Q4	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	434000000	USD
CY2014Q4	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	477000000	USD
CY2013Q4	us-gaap	Financing Receivable Recorded Investment Equal To Greater Than90 Days Past Due FinancingReceivableRecordedInvestmentEqualToGreaterThan90DaysPastDue	475000000	USD
CY2014Q4	us-gaap	Financing Receivable Recorded Investment Equal To Greater Than90 Days Past Due FinancingReceivableRecordedInvestmentEqualToGreaterThan90DaysPastDue	517000000	USD
CY2013Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	200000000	USD
CY2014Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	183000000	USD
CY2013Q4	us-gaap	Financing Receivable Recorded Investment Past Due FinancingReceivableRecordedInvestmentPastDue	1010000000	USD
CY2014Q4	us-gaap	Financing Receivable Recorded Investment Past Due FinancingReceivableRecordedInvestmentPastDue	1100000000	USD
CY2013Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	70000000	USD
CY2014Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	67000000	USD
CY2014Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	5000000	USD
CY2014Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	2000000	USD
CY2014Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	3000000	USD
CY2014Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	3000000	USD
CY2014Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	4000000	USD
CY2013Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	100000000	USD
CY2014Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	88000000	USD
CY2013Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	30000000	USD
CY2014Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	21000000	USD
CY2012Q4	us-gaap	Gain Loss On Investments GainLossOnInvestments	2000000	USD
CY2012	us-gaap	Gain Loss On Investments GainLossOnInvestments	26000000	USD
CY2013	us-gaap	Gain Loss On Investments GainLossOnInvestments	5000000	USD
CY2014	us-gaap	Gain Loss On Investments GainLossOnInvestments	4000000	USD
CY2012Q4	us-gaap	Gain Loss On Sale Of Loans And Leases GainLossOnSaleOfLoansAndLeases	17000000	USD
CY2012	us-gaap	Gain Loss On Sale Of Loans And Leases GainLossOnSaleOfLoansAndLeases	104000000	USD
CY2013	us-gaap	Gain Loss On Sale Of Loans And Leases GainLossOnSaleOfLoansAndLeases	144000000	USD
CY2014	us-gaap	Gain Loss On Sale Of Loans And Leases GainLossOnSaleOfLoansAndLeases	81000000	USD
CY2012Q4	us-gaap	Gain Loss On Sale Of Mortgage Loans GainLossOnSaleOfMortgageLoans	17000000	USD
CY2012	us-gaap	Gain Loss On Sale Of Mortgage Loans GainLossOnSaleOfMortgageLoans	105000000	USD
CY2013	us-gaap	Gain Loss On Sale Of Mortgage Loans GainLossOnSaleOfMortgageLoans	144000000	USD
CY2014	us-gaap	Gain Loss On Sale Of Mortgage Loans GainLossOnSaleOfMortgageLoans	81000000	USD
CY2012Q4	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	0	USD
CY2012	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	0	USD
CY2013	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	-8000000	USD
CY2014	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	0	USD
CY2013Q4	us-gaap	Goodwill Goodwill	284000000	USD
CY2014Q4	us-gaap	Goodwill Goodwill	257000000	USD
CY2012Q4	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2012	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2013Q2	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2013Q4	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2013	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2014	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	27000000	USD
CY2013Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	60000000	USD
CY2014Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	102000000	USD
CY2013Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	0	USD
CY2014Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	2000000	USD
CY2013Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	2000000	USD
CY2014Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	0	USD
CY2014Q4	us-gaap	Held To Maturity Securities Debt Maturities After Five Through Ten Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	0	USD
CY2014Q4	us-gaap	Held To Maturity Securities Debt Maturities After Five Through Ten Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsNetCarryingAmount	0	USD
CY2014Q4	us-gaap	Held To Maturity Securities Debt Maturities After One Through Five Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	0	USD
CY2014Q4	us-gaap	Held To Maturity Securities Debt Maturities After One Through Five Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsNetCarryingAmount	0	USD
CY2014Q4	us-gaap	Held To Maturity Securities Debt Maturities After Ten Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsFairValue	103000000	USD
CY2014Q4	us-gaap	Held To Maturity Securities Debt Maturities After Ten Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsNetCarryingAmount	101000000	USD
CY2014Q4	us-gaap	Held To Maturity Securities Debt Maturities Within One Year Fair Value HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearFairValue	1000000	USD
CY2014Q4	us-gaap	Held To Maturity Securities Debt Maturities Within One Year Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearNetCarryingAmount	1000000	USD
CY2013Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	58000000	USD
CY2014Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	104000000	USD
CY2013Q2	us-gaap	Impairment Of Intangible Assets Excluding Goodwill ImpairmentOfIntangibleAssetsExcludingGoodwill	0	USD
CY2013Q4	us-gaap	Impairment Of Intangible Assets Excluding Goodwill ImpairmentOfIntangibleAssetsExcludingGoodwill	0	USD
CY2014Q4	us-gaap	Impairment Of Intangible Assets Excluding Goodwill ImpairmentOfIntangibleAssetsExcludingGoodwill	0	USD
CY2012Q4	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	274000000	USD
CY2012	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	3753000000	USD
CY2013Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	1080000000	USD
CY2013Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	981000000	USD
CY2013Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	946000000	USD
CY2013Q4	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	937000000	USD
CY2013	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	3944000000	USD
CY2014Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	1022000000	USD
CY2014Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	1015000000	USD
CY2014Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	1009000000	USD
CY2014Q4	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	648000000	USD
CY2014	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	3694000000	USD
CY2012Q4	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-1000000	USD
CY2012	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-11000000	USD
CY2013	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-18000000	USD
CY2014	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-29000000	USD
CY2012Q4	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	104000000	USD
CY2012	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1408000000	USD
CY2013Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	407000000	USD
CY2013Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	379000000	USD
CY2013Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	353000000	USD
CY2013Q4	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	335000000	USD
CY2013	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1474000000	USD
CY2014Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	391000000	USD
CY2014Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	371000000	USD
CY2014Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	365000000	USD
CY2014Q4	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	244000000	USD
CY2014	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1371000000	USD
CY2012Q4	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	-1000000	USD
CY2012	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	1301000000	USD
CY2013	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	1348000000	USD
CY2014	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	1388000000	USD
CY2012Q4	us-gaap	Increase Decrease In Assets Held For Sale IncreaseDecreaseInAssetsHeldForSale	0	USD
CY2012	us-gaap	Increase Decrease In Assets Held For Sale IncreaseDecreaseInAssetsHeldForSale	0	USD
CY2013	us-gaap	Increase Decrease In Assets Held For Sale IncreaseDecreaseInAssetsHeldForSale	0	USD
CY2014	us-gaap	Increase Decrease In Assets Held For Sale IncreaseDecreaseInAssetsHeldForSale	-21000000	USD
CY2012Q4	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	65000000	USD
CY2012	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	2539000000	USD
CY2013	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	2782000000	USD
CY2014	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	1137000000	USD
CY2012Q4	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	68000000	USD
CY2012	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	112000000	USD
CY2013	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	252000000	USD
CY2014	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	238000000	USD
CY2012Q4	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-1000000	USD
CY2012	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	349000000	USD
CY2013	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-269000000	USD
CY2014	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	73000000	USD
CY2012Q4	us-gaap	Increase Decrease In Restricted Cash IncreaseDecreaseInRestrictedCash	-2054000000	USD
CY2012	us-gaap	Increase Decrease In Restricted Cash IncreaseDecreaseInRestrictedCash	1057000000	USD
CY2013	us-gaap	Increase Decrease In Restricted Cash IncreaseDecreaseInRestrictedCash	-108000000	USD
CY2014	us-gaap	Increase Decrease In Restricted Cash IncreaseDecreaseInRestrictedCash	-76000000	USD
CY2013Q4	us-gaap	Indefinite Lived Intangible Assets Excluding Goodwill IndefiniteLivedIntangibleAssetsExcludingGoodwill	155000000	USD
CY2014Q4	us-gaap	Indefinite Lived Intangible Assets Excluding Goodwill IndefiniteLivedIntangibleAssetsExcludingGoodwill	155000000	USD
CY2013Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	185000000	USD
CY2014Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	176000000	USD
CY2012Q4	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	595000000	USD
CY2012	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	6703000000	USD
CY2013Q1	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	1708000000	USD
CY2013Q2	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	1727000000	USD
CY2013Q3	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	1787000000	USD
CY2013Q4	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	1842000000	USD
CY2013	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	7064000000	USD
CY2014Q1	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	1833000000	USD
CY2014Q2	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	1863000000	USD
CY2014Q3	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	1926000000	USD
CY2014Q4	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	1974000000	USD
CY2014	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	7596000000	USD
CY2012Q4	us-gaap	Interest And Dividend Income Securities InterestAndDividendIncomeSecurities	7000000	USD
CY2012	us-gaap	Interest And Dividend Income Securities InterestAndDividendIncomeSecurities	80000000	USD
CY2013	us-gaap	Interest And Dividend Income Securities InterestAndDividendIncomeSecurities	74000000	USD
CY2014	us-gaap	Interest And Dividend Income Securities InterestAndDividendIncomeSecurities	67000000	USD
CY2012Q4	us-gaap	Interest And Fee Income Loans Consumer Installment Credit Card InterestAndFeeIncomeLoansConsumerInstallmentCreditCard	510000000	USD
CY2012	us-gaap	Interest And Fee Income Loans Consumer Installment Credit Card InterestAndFeeIncomeLoansConsumerInstallmentCreditCard	5751000000	USD
CY2013	us-gaap	Interest And Fee Income Loans Consumer Installment Credit Card InterestAndFeeIncomeLoansConsumerInstallmentCreditCard	5978000000	USD
CY2014	us-gaap	Interest And Fee Income Loans Consumer Installment Credit Card InterestAndFeeIncomeLoansConsumerInstallmentCreditCard	6359000000	USD
CY2012Q4	us-gaap	Interest And Fee Income Loans Other Consumer InterestAndFeeIncomeLoansOtherConsumer	78000000	USD
CY2012	us-gaap	Interest And Fee Income Loans Other Consumer InterestAndFeeIncomeLoansOtherConsumer	856000000	USD
CY2013	us-gaap	Interest And Fee Income Loans Other Consumer InterestAndFeeIncomeLoansOtherConsumer	997000000	USD
CY2014	us-gaap	Interest And Fee Income Loans Other Consumer InterestAndFeeIncomeLoansOtherConsumer	1151000000	USD
CY2013Q4	us-gaap	Interest Bearing Deposit Liabilities Domestic InterestBearingDepositLiabilitiesDomestic	44766000000	USD
CY2014Q4	us-gaap	Interest Bearing Deposit Liabilities Domestic InterestBearingDepositLiabilitiesDomestic	45792000000	USD
CY2013Q4	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	5800000000	USD
CY2014Q4	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	6400000000	USD
CY2013Q4	us-gaap	Interest Bearing Domestic Deposit Brokered InterestBearingDomesticDepositBrokered	16400000000	USD
CY2014Q4	us-gaap	Interest Bearing Domestic Deposit Brokered InterestBearingDomesticDepositBrokered	17300000000	USD
CY2013Q4	us-gaap	Interest Bearing Domestic Deposit Retail InterestBearingDomesticDepositRetail	28400000000	USD
CY2014Q4	us-gaap	Interest Bearing Domestic Deposit Retail InterestBearingDomesticDepositRetail	28800000000	USD
CY2012Q4	us-gaap	Interest Expense InterestExpense	103000000	USD
CY2012	us-gaap	Interest Expense InterestExpense	1331000000	USD
CY2013Q1	us-gaap	Interest Expense InterestExpense	298000000	USD
CY2013Q2	us-gaap	Interest Expense InterestExpense	297000000	USD
CY2013Q3	us-gaap	Interest Expense InterestExpense	278000000	USD
CY2013Q4	us-gaap	Interest Expense InterestExpense	273000000	USD
CY2013	us-gaap	Interest Expense InterestExpense	1146000000	USD
CY2014Q1	us-gaap	Interest Expense InterestExpense	270000000	USD
CY2014Q2	us-gaap	Interest Expense InterestExpense	274000000	USD
CY2014Q3	us-gaap	Interest Expense InterestExpense	288000000	USD
CY2014Q4	us-gaap	Interest Expense InterestExpense	302000000	USD
CY2014	us-gaap	Interest Expense InterestExpense	1134000000	USD
CY2012Q4	us-gaap	Interest Expense Deposits InterestExpenseDeposits	65000000	USD
CY2012	us-gaap	Interest Expense Deposits InterestExpenseDeposits	845000000	USD
CY2013	us-gaap	Interest Expense Deposits InterestExpenseDeposits	698000000	USD
CY2014	us-gaap	Interest Expense Deposits InterestExpenseDeposits	614000000	USD
CY2012Q4	us-gaap	Interest Expense Long Term Debt InterestExpenseLongTermDebt	38000000	USD
CY2012	us-gaap	Interest Expense Long Term Debt InterestExpenseLongTermDebt	485000000	USD
CY2013	us-gaap	Interest Expense Long Term Debt InterestExpenseLongTermDebt	445000000	USD
CY2014	us-gaap	Interest Expense Long Term Debt InterestExpenseLongTermDebt	518000000	USD
CY2012Q4	us-gaap	Interest Expense Short Term Borrowings InterestExpenseShortTermBorrowings	0	USD
CY2012	us-gaap	Interest Expense Short Term Borrowings InterestExpenseShortTermBorrowings	1000000	USD
CY2013	us-gaap	Interest Expense Short Term Borrowings InterestExpenseShortTermBorrowings	3000000	USD
CY2014	us-gaap	Interest Expense Short Term Borrowings InterestExpenseShortTermBorrowings	2000000	USD
CY2012Q4	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	314000000	USD
CY2012	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	4524000000	USD
CY2013	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	4832000000	USD
CY2014	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	5019000000	USD
CY2012Q4	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	492000000	USD
CY2012	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	5372000000	USD
CY2013Q1	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	1410000000	USD
CY2013Q2	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	1430000000	USD
CY2013Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	1509000000	USD
CY2013Q4	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	1569000000	USD
CY2013	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	5918000000	USD
CY2014Q1	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	1563000000	USD
CY2014Q2	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	1589000000	USD
CY2014Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	1638000000	USD
CY2014Q4	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	1672000000	USD
CY2014	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	6462000000	USD
CY2012Q4	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	0	USD
CY2012	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	2000000	USD
CY2013	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	1000000	USD
CY2014	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	1000000	USD
CY2012Q4	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	7000000	USD
CY2012	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	78000000	USD
CY2013	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	73000000	USD
CY2014	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	66000000	USD
CY2012Q4	us-gaap	Interest Paid InterestPaid	81000000	USD
CY2012	us-gaap	Interest Paid InterestPaid	1203000000	USD
CY2013	us-gaap	Interest Paid InterestPaid	975000000	USD
CY2014	us-gaap	Interest Paid InterestPaid	933000000	USD
CY2012Q4	us-gaap	Labor And Related Expense LaborAndRelatedExpense	87000000	USD
CY2012	us-gaap	Labor And Related Expense LaborAndRelatedExpense	1048000000	USD
CY2013	us-gaap	Labor And Related Expense LaborAndRelatedExpense	1164000000	USD
CY2014	us-gaap	Labor And Related Expense LaborAndRelatedExpense	1242000000	USD
CY2012Q4	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	3000000	USD
CY2012	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	18000000	USD
CY2013	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	15000000	USD
CY2014	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	16000000	USD
CY2013Q4	us-gaap	Liabilities Liabilities	68531000000	USD
CY2014Q4	us-gaap	Liabilities Liabilities	71992000000	USD
CY2013Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	79340000000	USD
CY2014Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	83126000000	USD
CY2011Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	2205000000	USD
CY2012Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	1788000000	USD
CY2013Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	1648000000	USD
CY2014Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	1746000000	USD
CY2012Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	1725000000	USD
CY2013Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	65771000000	USD
CY2014Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	69969000000	USD
CY2013Q4	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	64123000000	USD
CY2014Q4	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	68223000000	USD
CY2013Q4	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	20474000000	USD
CY2014Q4	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	22544000000	USD
CY2014Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal After Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive	5158000000	USD
CY2014Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	3302000000	USD
CY2014Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	3278000000	USD
CY2014Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	2650000000	USD
CY2014Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	5106000000	USD
CY2014Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	3050000000	USD
CY2012Q4	us-gaap	Marketable Securities MarketableSecurities	6232000000	USD
CY2013Q4	us-gaap	Marketable Securities MarketableSecurities	4991000000	USD
CY2014Q4	us-gaap	Marketable Securities MarketableSecurities	3949000000	USD
CY2012Q4	us-gaap	Marketable Securities MarketableSecurities	6221000000	USD
CY2012Q4	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	51000000	USD
CY2012	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	603000000	USD
CY2013	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	717000000	USD
CY2014	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	735000000	USD
CY2013Q4	us-gaap	Mortgages Held For Sale Fair Value Disclosure MortgagesHeldForSaleFairValueDisclosure	148000000	USD
CY2014Q4	us-gaap	Mortgages Held For Sale Fair Value Disclosure MortgagesHeldForSaleFairValueDisclosure	122000000	USD
CY2012Q4	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	-1973000000	USD
CY2012	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	3728000000	USD
CY2013	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	3616000000	USD
CY2014	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	1101000000	USD
CY2012Q4	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	409000000	USD
CY2012	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-5693000000	USD
CY2013	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-3163000000	USD
CY2014	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-4197000000	USD
CY2012Q4	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	222000000	USD
CY2012	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	3041000000	USD
CY2013	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	3517000000	USD
CY2014	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	3826000000	USD
CY2012Q4	us-gaap	Net Income Loss NetIncomeLoss	170000000	USD
CY2012	us-gaap	Net Income Loss NetIncomeLoss	2345000000	USD
CY2013Q1	us-gaap	Net Income Loss NetIncomeLoss	673000000	USD
CY2013Q2	us-gaap	Net Income Loss NetIncomeLoss	602000000	USD
CY2013Q3	us-gaap	Net Income Loss NetIncomeLoss	593000000	USD
CY2013Q4	us-gaap	Net Income Loss NetIncomeLoss	602000000	USD
CY2013	us-gaap	Net Income Loss NetIncomeLoss	2470000000	USD
CY2014Q1	us-gaap	Net Income Loss NetIncomeLoss	631000000	USD
CY2014Q2	us-gaap	Net Income Loss NetIncomeLoss	644000000	USD
CY2014Q3	us-gaap	Net Income Loss NetIncomeLoss	644000000	USD
CY2014Q4	us-gaap	Net Income Loss NetIncomeLoss	404000000	USD
CY2014	us-gaap	Net Income Loss NetIncomeLoss	2323000000	USD
CY2012Q4	us-gaap	Net Income Loss Attributable To Parent Diluted NetIncomeLossAttributableToParentDiluted	168000000	USD
CY2012	us-gaap	Net Income Loss Attributable To Parent Diluted NetIncomeLossAttributableToParentDiluted	2318000000	USD
CY2013	us-gaap	Net Income Loss Attributable To Parent Diluted NetIncomeLossAttributableToParentDiluted	2414000000	USD
CY2014	us-gaap	Net Income Loss Attributable To Parent Diluted NetIncomeLossAttributableToParentDiluted	2270000000	USD
CY2012Q4	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	170000000	USD
CY2012	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	2340000000	USD
CY2013	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	2433000000	USD
CY2014	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	2286000000	USD
CY2013Q4	us-gaap	Noninterest Bearing Deposit Liabilities Domestic NoninterestBearingDepositLiabilitiesDomestic	193000000	USD
CY2014Q4	us-gaap	Noninterest Bearing Deposit Liabilities Domestic NoninterestBearingDepositLiabilitiesDomestic	297000000	USD
CY2012Q4	us-gaap	Noninterest Expense NoninterestExpense	240000000	USD
CY2012	us-gaap	Noninterest Expense NoninterestExpense	3052000000	USD
CY2013Q1	us-gaap	Noninterest Expense NoninterestExpense	753000000	USD
CY2013Q2	us-gaap	Noninterest Expense NoninterestExpense	820000000	USD
CY2013Q3	us-gaap	Noninterest Expense NoninterestExpense	783000000	USD
CY2013Q4	us-gaap	Noninterest Expense NoninterestExpense	838000000	USD
CY2013	us-gaap	Noninterest Expense NoninterestExpense	3194000000	USD
CY2014Q1	us-gaap	Noninterest Expense NoninterestExpense	784000000	USD
CY2014Q2	us-gaap	Noninterest Expense NoninterestExpense	797000000	USD
CY2014Q3	us-gaap	Noninterest Expense NoninterestExpense	827000000	USD
CY2014Q4	us-gaap	Noninterest Expense NoninterestExpense	932000000	USD
CY2014	us-gaap	Noninterest Expense NoninterestExpense	3340000000	USD
CY2012Q4	us-gaap	Noninterest Income NoninterestIncome	200000000	USD
CY2012	us-gaap	Noninterest Income NoninterestIncome	2281000000	USD
CY2012Q4	us-gaap	Noninterest Income Other NoninterestIncomeOther	19000000	USD
CY2012	us-gaap	Noninterest Income Other NoninterestIncomeOther	163000000	USD
CY2013Q1	us-gaap	Noninterest Income NoninterestIncome	582000000	USD
CY2013	us-gaap	Noninterest Income Other NoninterestIncomeOther	169000000	USD
CY2014	us-gaap	Noninterest Income Other NoninterestIncomeOther	121000000	USD
CY2014	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	2	segment
CY2013Q2	us-gaap	Noninterest Income NoninterestIncome	611000000	USD
CY2013Q3	us-gaap	Noninterest Income NoninterestIncome	553000000	USD
CY2014Q1	us-gaap	Noninterest Income NoninterestIncome	515000000	USD
CY2014Q2	us-gaap	Noninterest Income NoninterestIncome	583000000	USD
CY2014Q3	us-gaap	Noninterest Income NoninterestIncome	552000000	USD
CY2014Q4	us-gaap	Noninterest Income NoninterestIncome	365000000	USD
CY2014	us-gaap	Noninterest Income NoninterestIncome	2015000000	USD
CY2013Q4	us-gaap	Noninterest Income NoninterestIncome	560000000	USD
CY2013	us-gaap	Noninterest Income NoninterestIncome	2306000000	USD
CY2012Q4	us-gaap	Occupancy Net OccupancyNet	8000000	USD
CY2012	us-gaap	Occupancy Net OccupancyNet	76000000	USD
CY2013	us-gaap	Occupancy Net OccupancyNet	82000000	USD
CY2014	us-gaap	Occupancy Net OccupancyNet	92000000	USD
CY2014Q4	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	111000000	USD
CY2014Q4	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	16000000	USD
CY2014Q4	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	10000000	USD
CY2014Q4	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	12000000	USD
CY2014Q4	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	13000000	USD
CY2014Q4	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	15000000	USD
CY2014Q4	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	45000000	USD
CY2013Q4	us-gaap	Other Assets OtherAssets	2367000000	USD
CY2014Q4	us-gaap	Other Assets OtherAssets	2461000000	USD
CY2012Q4	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent	-3000000	USD
CY2012	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent	19000000	USD
CY2013	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent	-52000000	USD
CY2014	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent	4000000	USD
CY2012Q4	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent	-6000000	USD
CY2012	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent	38000000	USD
CY2013	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent	-45000000	USD
CY2014	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent	53000000	USD
CY2012Q4	us-gaap	Other Comprehensive Income Derivatives Qualifying As Hedges Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent	0	USD
CY2012	us-gaap	Other Comprehensive Income Derivatives Qualifying As Hedges Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent	-4000000	USD
CY2013	us-gaap	Other Comprehensive Income Derivatives Qualifying As Hedges Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent	10000000	USD
CY2014	us-gaap	Other Comprehensive Income Derivatives Qualifying As Hedges Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent	-20000000	USD
CY2012Q4	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent	0	USD
CY2012	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent	0	USD
CY2013	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent	1000000	USD
CY2014	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent	-1000000	USD
CY2013	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	1000000	USD
CY2014	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	-1000000	USD
CY2013	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Before Reclassification And Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax	1000000	USD
CY2014	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Before Reclassification And Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax	-1000000	USD
CY2013	us-gaap	Other Comprehensive Income Foreign Currency Translation Gain Loss Arising During Period Tax OtherComprehensiveIncomeForeignCurrencyTranslationGainLossArisingDuringPeriodTax	0	USD
CY2014	us-gaap	Other Comprehensive Income Foreign Currency Translation Gain Loss Arising During Period Tax OtherComprehensiveIncomeForeignCurrencyTranslationGainLossArisingDuringPeriodTax	0	USD
CY2012Q4	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax	-5000000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax	30000000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax	-82000000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax	5000000	USD
CY2012Q4	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-3000000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	19000000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-52000000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	4000000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	-30000000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	1000000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Before Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesBeforeTax	16000000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Before Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesBeforeTax	-31000000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	10000000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	-20000000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax	6000000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax	-11000000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax	1000000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax	-1000000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	1000000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-1000000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	0	USD
CY2014	us-gaap	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	0	USD
CY2012Q4	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	3000000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-23000000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	4000000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-70000000	USD
CY2012Q4	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	3000000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-23000000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	4000000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-70000000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Reclassification Adjustments And Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsAndTax	-72000000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Reclassification Adjustments And Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsAndTax	84000000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Reclassification Adjustments Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsNetOfTax	-45000000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Reclassification Adjustments Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsNetOfTax	53000000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax	-72000000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax	84000000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-45000000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	53000000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Before Reclassification Adjustments Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansBeforeReclassificationAdjustmentsTax	-27000000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Before Reclassification Adjustments Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansBeforeReclassificationAdjustmentsTax	31000000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	-27000000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	31000000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	2000000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	4000000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	2000000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	2000000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	0	USD
CY2014	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	2000000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax	-8000000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax	-38000000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax	-5000000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax	-23000000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax	-3000000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax	-15000000	USD
CY2013	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax	8000000	USD
CY2014	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax	-69000000	USD
CY2013	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	5000000	USD
CY2014	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	-43000000	USD
CY2013	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax	3000000	USD
CY2014	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax	-26000000	USD
CY2013	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-80000000	USD
CY2014	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	9000000	USD
CY2013	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-50000000	USD
CY2014	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	6000000	USD
CY2013	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-30000000	USD
CY2014	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	3000000	USD
CY2012Q4	us-gaap	Other Depreciation And Amortization OtherDepreciationAndAmortization	15000000	USD
CY2012	us-gaap	Other Depreciation And Amortization OtherDepreciationAndAmortization	172000000	USD
CY2013	us-gaap	Other Depreciation And Amortization OtherDepreciationAndAmortization	223000000	USD
CY2014	us-gaap	Other Depreciation And Amortization OtherDepreciationAndAmortization	243000000	USD
CY2012Q4	us-gaap	Other Interest And Dividend Income OtherInterestAndDividendIncome	0	USD
CY2012	us-gaap	Other Interest And Dividend Income OtherInterestAndDividendIncome	16000000	USD
CY2013	us-gaap	Other Interest And Dividend Income OtherInterestAndDividendIncome	15000000	USD
CY2014	us-gaap	Other Interest And Dividend Income OtherInterestAndDividendIncome	19000000	USD
CY2012Q4	us-gaap	Other Noninterest Expense OtherNoninterestExpense	35000000	USD
CY2012	us-gaap	Other Noninterest Expense OtherNoninterestExpense	604000000	USD
CY2013	us-gaap	Other Noninterest Expense OtherNoninterestExpense	488000000	USD
CY2014	us-gaap	Other Noninterest Expense OtherNoninterestExpense	475000000	USD
CY2012Q4	us-gaap	Other Than Temporary Impairment Losses Investments Portion Recognized In Earnings Net OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNet	0	USD
CY2012	us-gaap	Other Than Temporary Impairment Losses Investments Portion Recognized In Earnings Net OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNet	0	USD
CY2013	us-gaap	Other Than Temporary Impairment Losses Investments Portion Recognized In Earnings Net OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNet	0	USD
CY2014	us-gaap	Other Than Temporary Impairment Losses Investments Portion Recognized In Earnings Net OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNet	0	USD
CY2012Q4	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Basic ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic	2000000	USD
CY2012	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Basic ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic	22000000	USD
CY2013	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Basic ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic	19000000	USD
CY2014	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Basic ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic	16000000	USD
CY2012Q4	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Diluted ParticipatingSecuritiesDistributedAndUndistributedEarningsLossDiluted	2000000	USD
CY2012	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Diluted ParticipatingSecuritiesDistributedAndUndistributedEarningsLossDiluted	22000000	USD
CY2013	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Diluted ParticipatingSecuritiesDistributedAndUndistributedEarningsLossDiluted	19000000	USD
CY2014	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Diluted ParticipatingSecuritiesDistributedAndUndistributedEarningsLossDiluted	16000000	USD
CY2012Q4	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	392000000	USD
CY2012	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	2021000000	USD
CY2013	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	3805000000	USD
CY2014	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	2700000000	USD
CY2012Q4	us-gaap	Payments For Proceeds From Loans Receivable PaymentsForProceedsFromLoansReceivable	1599000000	USD
CY2012	us-gaap	Payments For Proceeds From Loans Receivable PaymentsForProceedsFromLoansReceivable	4085000000	USD
CY2013	us-gaap	Payments For Proceeds From Loans Receivable PaymentsForProceedsFromLoansReceivable	3915000000	USD
CY2014	us-gaap	Payments For Proceeds From Loans Receivable PaymentsForProceedsFromLoansReceivable	5095000000	USD
CY2012Q4	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	12000000	USD
CY2012	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	1216000000	USD
CY2013	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	1296000000	USD
CY2014	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	1564000000	USD
CY2012Q4	us-gaap	Payments Of Ordinary Dividends PaymentsOfOrdinaryDividends	5000000	USD
CY2012	us-gaap	Payments Of Ordinary Dividends PaymentsOfOrdinaryDividends	209000000	USD
CY2013	us-gaap	Payments Of Ordinary Dividends PaymentsOfOrdinaryDividends	399000000	USD
CY2014	us-gaap	Payments Of Ordinary Dividends PaymentsOfOrdinaryDividends	467000000	USD
CY2012Q4	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	132000000	USD
CY2012	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	1816000000	USD
CY2013	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	325000000	USD
CY2014	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	390000000	USD
CY2012Q4	us-gaap	Payments To Acquire Held To Maturity Securities PaymentsToAcquireHeldToMaturitySecurities	0	USD
CY2012	us-gaap	Payments To Acquire Held To Maturity Securities PaymentsToAcquireHeldToMaturitySecurities	51000000	USD
CY2013	us-gaap	Payments To Acquire Held To Maturity Securities PaymentsToAcquireHeldToMaturitySecurities	2000000	USD
CY2014	us-gaap	Payments To Acquire Held To Maturity Securities PaymentsToAcquireHeldToMaturitySecurities	53000000	USD
CY2012Q4	us-gaap	Payments To Acquire Loans Receivable PaymentsToAcquireLoansReceivable	27000000	USD
CY2012	us-gaap	Payments To Acquire Loans Receivable PaymentsToAcquireLoansReceivable	490000000	USD
CY2013	us-gaap	Payments To Acquire Loans Receivable PaymentsToAcquireLoansReceivable	136000000	USD
CY2014	us-gaap	Payments To Acquire Loans Receivable PaymentsToAcquireLoansReceivable	0	USD
CY2012Q4	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	4000000	USD
CY2012	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	65000000	USD
CY2013	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	114000000	USD
CY2014	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	60000000	USD
CY2012Q4	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	13000000	USD
CY2012	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	144000000	USD
CY2013	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	231000000	USD
CY2014	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	145000000	USD
CY2012Q4	us-gaap	Postage Expense PostageExpense	7000000	USD
CY2012	us-gaap	Postage Expense PostageExpense	85000000	USD
CY2013	us-gaap	Postage Expense PostageExpense	86000000	USD
CY2014	us-gaap	Postage Expense PostageExpense	84000000	USD
CY2012Q4	us-gaap	Preferred Stock Dividends Per Share Declared PreferredStockDividendsPerShareDeclared	0.00
CY2012	us-gaap	Preferred Stock Dividends Per Share Declared PreferredStockDividendsPerShareDeclared	8.13
CY2013	us-gaap	Preferred Stock Dividends Per Share Declared PreferredStockDividendsPerShareDeclared	65.00
CY2014	us-gaap	Preferred Stock Dividends Per Share Declared PreferredStockDividendsPerShareDeclared	65.00
CY2013Q4	us-gaap	Preferred Stock Liquidation Preference Value PreferredStockLiquidationPreferenceValue	575000000	USD
CY2014Q4	us-gaap	Preferred Stock Liquidation Preference Value PreferredStockLiquidationPreferenceValue	575000000	USD
CY2013Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2014Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2013Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	200000000	shares
CY2014Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	200000000	shares
CY2013Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	575000	shares
CY2014Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	575000	shares
CY2013Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	575000	shares
CY2014Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	575000	shares
CY2013Q4	us-gaap	Preferred Stock Value PreferredStockValue	560000000	USD
CY2014Q4	us-gaap	Preferred Stock Value PreferredStockValue	560000000	USD
CY2012Q4	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	2000000	USD
CY2012	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	26000000	USD
CY2013	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	13000000	USD
CY2014	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	5000000	USD
CY2012Q4	us-gaap	Proceeds From Issuance Of Other Long Term Debt ProceedsFromIssuanceOfOtherLongTermDebt	0	USD
CY2012	us-gaap	Proceeds From Issuance Of Other Long Term Debt ProceedsFromIssuanceOfOtherLongTermDebt	0	USD
CY2013	us-gaap	Proceeds From Issuance Of Other Long Term Debt ProceedsFromIssuanceOfOtherLongTermDebt	1744000000	USD
CY2014	us-gaap	Proceeds From Issuance Of Other Long Term Debt ProceedsFromIssuanceOfOtherLongTermDebt	1646000000	USD
CY2012Q4	us-gaap	Proceeds From Issuance Of Preferred Stock And Preference Stock ProceedsFromIssuanceOfPreferredStockAndPreferenceStock	0	USD
CY2012	us-gaap	Proceeds From Issuance Of Preferred Stock And Preference Stock ProceedsFromIssuanceOfPreferredStockAndPreferenceStock	560000000	USD
CY2013	us-gaap	Proceeds From Issuance Of Preferred Stock And Preference Stock ProceedsFromIssuanceOfPreferredStockAndPreferenceStock	0	USD
CY2014	us-gaap	Proceeds From Issuance Of Preferred Stock And Preference Stock ProceedsFromIssuanceOfPreferredStockAndPreferenceStock	0	USD
CY2012Q4	us-gaap	Proceeds From Issuance Of Secured Debt ProceedsFromIssuanceOfSecuredDebt	0	USD
CY2012	us-gaap	Proceeds From Issuance Of Secured Debt ProceedsFromIssuanceOfSecuredDebt	5850000000	USD
CY2013	us-gaap	Proceeds From Issuance Of Secured Debt ProceedsFromIssuanceOfSecuredDebt	4650000000	USD
CY2014	us-gaap	Proceeds From Issuance Of Secured Debt ProceedsFromIssuanceOfSecuredDebt	5049000000	USD
CY2012Q4	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	113000000	USD
CY2012	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	1795000000	USD
CY2013	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	733000000	USD
CY2014	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	250000000	USD
CY2012Q4	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	1000000	USD
CY2012	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	11000000	USD
CY2013	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	29000000	USD
CY2014	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	10000000	USD
CY2012Q4	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	43000000	USD
CY2012	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	234000000	USD
CY2013	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	-231000000	USD
CY2014	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	-27000000	USD
CY2012Q4	us-gaap	Proceeds From Sale And Maturity Of Available For Sale Securities ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities	112000000	USD
CY2012	us-gaap	Proceeds From Sale And Maturity Of Available For Sale Securities ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities	1783000000	USD
CY2013	us-gaap	Proceeds From Sale And Maturity Of Available For Sale Securities ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities	1423000000	USD
CY2014	us-gaap	Proceeds From Sale And Maturity Of Available For Sale Securities ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities	1460000000	USD
CY2012Q4	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	0	USD
CY2012	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	0	USD
CY2013	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	719000000	USD
CY2014	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	1220000000	USD
CY2012Q4	us-gaap	Proceeds From Sale Of Loans Receivable ProceedsFromSaleOfLoansReceivable	0	USD
CY2012	us-gaap	Proceeds From Sale Of Loans Receivable ProceedsFromSaleOfLoansReceivable	269000000	USD
CY2013	us-gaap	Proceeds From Sale Of Loans Receivable ProceedsFromSaleOfLoansReceivable	0	USD
CY2012Q4	us-gaap	Professional Fees ProfessionalFees	34000000	USD
CY2014	us-gaap	Proceeds From Sale Of Loans Receivable ProceedsFromSaleOfLoansReceivable	0	USD
CY2012Q4	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	378000000	USD
CY2012	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	1798000000	USD
CY2013	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	4160000000	USD
CY2014	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	2811000000	USD
CY2012Q4	us-gaap	Proceeds From Sale Of Other Investments ProceedsFromSaleOfOtherInvestments	17000000	USD
CY2012	us-gaap	Proceeds From Sale Of Other Investments ProceedsFromSaleOfOtherInvestments	0	USD
CY2013	us-gaap	Proceeds From Sale Of Other Investments ProceedsFromSaleOfOtherInvestments	0	USD
CY2014	us-gaap	Proceeds From Sale Of Other Investments ProceedsFromSaleOfOtherInvestments	0	USD
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CY2013	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	0	USD
CY2014	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	0	USD
CY2012	us-gaap	Professional Fees ProfessionalFees	432000000	USD
CY2013	us-gaap	Professional Fees ProfessionalFees	410000000	USD
CY2014	us-gaap	Professional Fees ProfessionalFees	450000000	USD
CY2013Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	1718000000	USD
CY2014Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	1809000000	USD
CY2013Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	654000000	USD
CY2014Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	670000000	USD
CY2012Q4	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	178000000	USD
CY2012	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	848000000	USD
CY2013Q1	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	159000000	USD
CY2013Q2	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	240000000	USD
CY2013Q3	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	333000000	USD
CY2013Q4	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	354000000	USD
CY2013	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	1086000000	USD
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CY2014Q2	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	360000000	USD
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CY2014Q4	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	457000000	USD
CY2014	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	1443000000	USD
CY2012Q4	us-gaap	Recognition Of Deferred Revenue RecognitionOfDeferredRevenue	16000000	USD
CY2012	us-gaap	Recognition Of Deferred Revenue RecognitionOfDeferredRevenue	204000000	USD
CY2013	us-gaap	Recognition Of Deferred Revenue RecognitionOfDeferredRevenue	193000000	USD
CY2014	us-gaap	Recognition Of Deferred Revenue RecognitionOfDeferredRevenue	214000000	USD
CY2012Q4	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	0	USD
CY2012	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	13000000	USD
CY2013	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	0	USD
CY2014	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	0	USD
CY2012Q4	us-gaap	Repayments Of Secured Debt RepaymentsOfSecuredDebt	2066000000	USD
CY2012	us-gaap	Repayments Of Secured Debt RepaymentsOfSecuredDebt	3752000000	USD
CY2013	us-gaap	Repayments Of Secured Debt RepaymentsOfSecuredDebt	3638000000	USD
CY2014	us-gaap	Repayments Of Secured Debt RepaymentsOfSecuredDebt	4678000000	USD
CY2013Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	182000000	USD
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CY2013Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	9611000000	USD
CY2014Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	11467000000	USD
CY2012Q4	us-gaap	Share Based Compensation ShareBasedCompensation	3000000	USD
CY2012	us-gaap	Share Based Compensation ShareBasedCompensation	47000000	USD
CY2012	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	560000000	USD
CY2012Q4	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	5000000	USD
CY2012	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	83000000	USD
CY2013	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	86000000	USD
CY2014	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	100000000	USD
CY2011Q4	us-gaap	Stockholders Equity StockholdersEquity	8242000000	USD
CY2012Q4	us-gaap	Stockholders Equity StockholdersEquity	9873000000	USD
CY2013Q4	us-gaap	Stockholders Equity StockholdersEquity	10809000000	USD
CY2014Q4	us-gaap	Stockholders Equity StockholdersEquity	11134000000	USD
CY2012Q4	us-gaap	Stockholders Equity StockholdersEquity	9778000000	USD
CY2013	us-gaap	Share Based Compensation ShareBasedCompensation	59000000	USD
CY2014	us-gaap	Share Based Compensation ShareBasedCompensation	60000000	USD
CY2013Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	140000000	USD
CY2014Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	113000000	USD
CY2012	us-gaap	Stock Issued During Period Value Employee Benefit Plan StockIssuedDuringPeriodValueEmployeeBenefitPlan	2000000	USD
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CY2012Q4	us-gaap	Supplies Expense SuppliesExpense	2000000	USD
CY2012	us-gaap	Supplies Expense SuppliesExpense	22000000	USD
CY2013	us-gaap	Supplies Expense SuppliesExpense	26000000	USD
CY2014	us-gaap	Supplies Expense SuppliesExpense	23000000	USD
CY2014Q4	us-gaap	Time Deposit Maturities After Year Five TimeDepositMaturitiesAfterYearFive	1766000000	USD
CY2014Q4	us-gaap	Time Deposit Maturities Year Five TimeDepositMaturitiesYearFive	1522000000	USD
CY2014Q4	us-gaap	Time Deposit Maturities Year Four TimeDepositMaturitiesYearFour	2000000000	USD
CY2014Q4	us-gaap	Time Deposit Maturities Year One TimeDepositMaturitiesYearOne	12755000000	USD
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CY2014Q4	us-gaap	Time Deposit Maturities Year Two TimeDepositMaturitiesYearTwo	5685000000	USD
CY2013Q4	us-gaap	Time Deposits Less Than100000 TimeDepositsLessThan100000	21211000000	USD
CY2014Q4	us-gaap	Time Deposits Less Than100000 TimeDepositsLessThan100000	21502000000	USD
CY2013Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	83105578	shares
CY2014Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	109006038	shares
CY2013Q4	us-gaap	Treasury Stock Value TreasuryStockValue	2986000000	USD
CY2014Q4	us-gaap	Treasury Stock Value TreasuryStockValue	4550000000	USD
CY2012Q4	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	12000000	USD
CY2012	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	1216000000	USD
CY2013	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	1296000000	USD
CY2014	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	1564000000	USD
CY2011Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	507000000	USD
CY2012Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	575000000	USD
CY2013Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	629000000	USD
CY2014Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	635000000	USD
CY2012Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	573000000	USD
CY2012Q4	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	0	USD
CY2012	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	5000000	USD
CY2013	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	1000000	USD
CY2013	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	69000000	USD
CY2014	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	80000000	USD
CY2012Q4	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	0	USD
CY2012	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	2000000	USD
CY2013	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	18000000	USD
CY2014	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	4000000	USD
CY2012Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	101000000	USD
CY2013Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	118000000	USD
CY2014Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	135000000	USD
CY2012Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	99000000	USD
CY2012Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Expense UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense	2000000	USD
CY2012	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Expense UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense	20000000	USD
CY2013	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Expense UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense	17000000	USD
CY2014	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Expense UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense	17000000	USD
CY2014	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	18000000	USD
CY2012Q4	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	0	USD
CY2012	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	1000000	USD
CY2013	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	142000000	USD
CY2014	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	74000000	USD
CY2012Q4	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	0	USD
CY2012	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	2000000	USD
CY2012Q4	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	2000000	USD
CY2013	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	2000000	USD
CY2012	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	74000000	USD
CY2012Q4	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	1000000	shares
CY2014	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	2000000	USD
CY2012Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	109000000	USD
CY2013Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	142000000	USD
CY2014Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	144000000	USD
CY2012Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	108000000	USD
CY2012	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	1000000	shares
CY2013	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	2000000	shares
CY2014	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	1000000	shares
CY2012Q4	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	499000000	shares
CY2012	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	520000000	shares
CY2013	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	487000000	shares
CY2014	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	463000000	shares
CY2012Q4	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	498000000	shares
CY2012	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	519000000	shares
CY2013	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	485000000	shares
CY2014	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	462000000	shares
CY2013Q4	us-gaap	Weighted Average Rate Domestic Deposit WeightedAverageRateDomesticDeposit	0.0157
CY2014Q4	us-gaap	Weighted Average Rate Domestic Deposit WeightedAverageRateDomesticDeposit	0.0129
CY2014	us-gaap	Advertising Cost Policy Expensed Advertising Cost AdvertisingCostPolicyExpensedAdvertisingCost	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-bottom:6px;padding-top:20px;text-align:left;font-size:10pt;"><font style="font-family:Futura LT Medium,sans-serif;font-size:10pt;font-style:italic;font-weight:bold;">Advertising Costs</font></div><div style="line-height:120%;padding-bottom:13px;text-align:left;text-indent:36px;font-size:10pt;"><font style="font-family:Futura LT Medium,sans-serif;font-size:10pt;">The Company expenses television advertising costs in the period in which the advertising is first aired and all other advertising costs as incurred. Advertising costs are recorded in marketing and business development and were </font><font style="font-family:Futura LT Medium,sans-serif;font-size:10pt;color:#000000;text-decoration:none;">$194 million</font><font style="font-family:Futura LT Medium,sans-serif;font-size:10pt;">, </font><font style="font-family:Futura LT Medium,sans-serif;font-size:10pt;color:#000000;text-decoration:none;">$208 million</font><font style="font-family:Futura LT Medium,sans-serif;font-size:10pt;">, </font><font style="font-family:Futura LT Medium,sans-serif;font-size:10pt;color:#000000;text-decoration:none;">$172 million</font><font style="font-family:Futura LT Medium,sans-serif;font-size:10pt;"> and </font><font style="font-family:Futura LT Medium,sans-serif;font-size:10pt;color:#000000;">$17 million</font><font style="font-family:Futura LT Medium,sans-serif;font-size:10pt;"> for the </font><font style="font-family:Futura LT Medium,sans-serif;font-size:10pt;color:#000000;">calendar years ended December 31, 2014 and 2013</font><font style="font-family:Futura LT Medium,sans-serif;font-size:10pt;">, </font><font style="font-family:Futura LT Medium,sans-serif;font-size:10pt;">fiscal year ended November 30, 2012</font><font style="font-family:Futura LT Medium,sans-serif;font-size:10pt;"> and </font><font style="font-family:Futura LT Medium,sans-serif;font-size:10pt;color:#000000;">one month ended December 31, 2012</font><font style="font-family:Futura LT Medium,sans-serif;font-size:10pt;">, respectively.</font></div></div>
CY2014	us-gaap	Use Of Estimates UseOfEstimates	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-bottom:13px;text-align:left;text-indent:36px;font-size:10pt;"><font style="font-family:Futura LT Medium,sans-serif;font-size:10pt;">The preparation of financial statements in conformity with GAAP requires the Company to make estimates and assumptions that affect the amounts reported in the consolidated financial statements and related disclosures. These estimates are based on information available as of the date of the consolidated financial statements. The Company believes that the estimates used in the preparation of the consolidated financial statements are reasonable. Actual results could differ from these estimates.</font></div></div>

Files In Submission

Name	View Source	Status
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0001393612-15-000007-index.html	Edgar Link	pending
0001393612-15-000007.txt	Edgar Link	pending
0001393612-15-000007-xbrl.zip	Edgar Link	pending
dfs-20141231.xml	Edgar Link	completed
dfs-20141231.xsd	Edgar Link	pending
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dfs-20141231_def.xml	Edgar Link	unprocessable
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dfs-20141231_pre.xml	Edgar Link	unprocessable
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2014 Form 10-K Financial Statement

#000139361215000007 Filed on February 25, 2015

Income Statement

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Facts In Submission

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$DFS Discover Financial Services Stock $dfs

2014 Form 10-K Financial Statement

#000139361215000007 Filed on February 25, 2015

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$DFS
Discover Financial Services Stock $dfs