2.4.0.8405130 - Disclosure - Loans and Allowance for Credit Losses, Impaired Loans (Details)truefalseIn Millions, unless otherwise specifiedfalse1false USDfalsefalse$AS_OF_Jun30_2013http://www.sec.gov/CIK0000072971instant2013-06-30T00:00:000001-01-01T00:00:00USDollarStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$2false USDfalsefalse$AS_OF_Dec31_2012http://www.sec.gov/CIK0000072971instant2012-12-31T00:00:000001-01-01T00:00:00USDollarStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$1true 4us-gaap_ImpairedFinancingReceivableRecordedInvestmentAbstractus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse02false 5us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalanceus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse3584000000035840USD$falsetruefalse2truefalsefalse3625500000036255USD$falsetruefalsexbrli:monetaryItemTypemonetaryAmount of unpaid principal balance of impaired financing receivables with related allowance for credit losses and without related allowance for credit losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(4) -URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5212-111524 false23false 5us-gaap_ImpairedFinancingReceivableRecordedInvestmentus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse2967900000029679USD$falsefalsefalse2truefalsefalse3001200000030012USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953550-111524 false24false 5us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestmentus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse2325900000023259USD$falsefalsefalse2truefalsefalse2621500000026215USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of investment in impaired financing receivables for which there is a related allowance for credit losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953550-111524 false25false 5us-gaap_ImpairedFinancingReceivableRelatedAllowanceus-gaap_truecreditinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse59780000005978USD$falsefalsefalse2truefalsefalse58840000005884USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of allowance for credit losses related to recorded investment.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5212-111524 false26false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3false USDtruefalse$AS_OF_Jun30_2013_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_CommercialPortfolioSegmentMemberhttp://www.sec.gov/CIK0000072971instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseTotal Commercial [Member]us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_CommercialPortfolioSegmentMemberus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisexplicitMemberUSDollarStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse07true 4us-gaap_ImpairedFinancingReceivableRecordedInvestmentAbstractus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse08false 5us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalanceus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse92000000009200USD$falsefalsefalse2truefalsefalse1123500000011235USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of unpaid principal balance of impaired financing receivables with related allowance for credit losses and without related allowance for credit losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(4) -URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5212-111524 false29false 5us-gaap_ImpairedFinancingReceivableRecordedInvestmentus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse66610000006661USD$falsefalsefalse2truefalsefalse81860000008186USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953550-111524 false210false 5us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestmentus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse62650000006265USD$falsefalsefalse2truefalsefalse80500000008050USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of investment in impaired financing receivables for which there is a related allowance for credit losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953550-111524 false211false 5us-gaap_ImpairedFinancingReceivableRelatedAllowanceus-gaap_truecreditinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse14870000001487USD$falsefalsefalse2truefalsefalse16740000001674USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of allowance for credit losses related to recorded investment.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5212-111524 false212false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse5false USDtruefalse$AS_OF_Jun30_2013_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_CommercialLoanMemberhttp://www.sec.gov/CIK0000072971instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseCommercial and Industrial Loans [Member]us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_CommercialLoanMemberus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisexplicitMemberUSDollarStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse013true 4us-gaap_ImpairedFinancingReceivableRecordedInvestmentAbstractus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse014false 5us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalanceus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse25020000002502USD$falsefalsefalse2truefalsefalse33310000003331USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of unpaid principal balance of impaired financing receivables with related allowance for credit losses and without related allowance for credit losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(4) -URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5212-111524 false215false 5us-gaap_ImpairedFinancingReceivableRecordedInvestmentus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse14990000001499USD$falsefalsefalse2truefalsefalse20860000002086USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953550-111524 false216false 5us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestmentus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse13230000001323USD$falsefalsefalse2truefalsefalse20860000002086USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of investment in impaired financing receivables for which there is a related allowance for credit losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953550-111524 false217false 5us-gaap_ImpairedFinancingReceivableRelatedAllowanceus-gaap_truecreditinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse274000000274USD$falsefalsefalse2truefalsefalse353000000353USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of allowance for credit losses related to recorded investment.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5212-111524 false218false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse7false USDtruefalse$AS_OF_Jun30_2013_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_CommercialRealEstateOtherReceivableMemberhttp://www.sec.gov/CIK0000072971instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseCommercial Real Estate Mortgage [Member]us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_CommercialRealEstateOtherReceivableMemberus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisexplicitMemberUSDollarStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse019true 4us-gaap_ImpairedFinancingReceivableRecordedInvestmentAbstractus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse020false 5us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalanceus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse51300000005130USD$falsefalsefalse2truefalsefalse57660000005766USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of unpaid principal balance of impaired financing receivables with related allowance for credit losses and without related allowance for credit losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(4) -URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5212-111524 false221false 5us-gaap_ImpairedFinancingReceivableRecordedInvestmentus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse41130000004113USD$falsefalsefalse2truefalsefalse46730000004673USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953550-111524 false222false 5us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestmentus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse39200000003920USD$falsefalsefalse2truefalsefalse45370000004537USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of investment in impaired financing receivables for which there is a related allowance for credit losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953550-111524 false223false 5us-gaap_ImpairedFinancingReceivableRelatedAllowanceus-gaap_truecreditinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse10140000001014USD$falsefalsefalse2truefalsefalse10250000001025USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of allowance for credit losses related to recorded investment.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5212-111524 false224false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse9false USDtruefalse$AS_OF_Jun30_2013_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_CommercialRealEstateConstructionFinancingReceivableMemberhttp://www.sec.gov/CIK0000072971instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseCommercial Real Estate Construction [Member]us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_CommercialRealEstateConstructionFinancingReceivableMemberus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisexplicitMemberUSDollarStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse025true 4us-gaap_ImpairedFinancingReceivableRecordedInvestmentAbstractus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse026false 5us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalanceus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse14070000001407USD$falsefalsefalse2truefalsefalse19750000001975USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of unpaid principal balance of impaired financing receivables with related allowance for credit losses and without related allowance for credit losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(4) -URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5212-111524 false227false 5us-gaap_ImpairedFinancingReceivableRecordedInvestmentus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse981000000981USD$falsefalsefalse2truefalsefalse13450000001345USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953550-111524 false228false 5us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestmentus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse954000000954USD$falsefalsefalse2truefalsefalse13450000001345USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of investment in impaired financing receivables for which there is a related allowance for credit losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953550-111524 false229false 5us-gaap_ImpairedFinancingReceivableRelatedAllowanceus-gaap_truecreditinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse185000000185USD$falsefalsefalse2truefalsefalse276000000276USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of allowance for credit losses related to recorded investment.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5212-111524 false230false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse11false USDtruefalse$AS_OF_Jun30_2013_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_FinanceLeasesFinancingReceivableMemberhttp://www.sec.gov/CIK0000072971instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseLease Financing [Member]us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_FinanceLeasesFinancingReceivableMemberus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisexplicitMemberUSDollarStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse031true 4us-gaap_ImpairedFinancingReceivableRecordedInvestmentAbstractus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse032false 5us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalanceus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse6500000065USD$falsefalsefalse2truefalsefalse5400000054USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of unpaid principal balance of impaired financing receivables with related allowance for credit losses and without related allowance for credit losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(4) -URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5212-111524 false233false 5us-gaap_ImpairedFinancingReceivableRecordedInvestmentus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse2700000027USD$falsefalsefalse2truefalsefalse3900000039USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953550-111524 false234false 5us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestmentus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse2700000027USD$falsefalsefalse2truefalsefalse3900000039USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of investment in impaired financing receivables for which there is a related allowance for credit losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953550-111524 false235false 5us-gaap_ImpairedFinancingReceivableRelatedAllowanceus-gaap_truecreditinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse90000009USD$falsefalsefalse2truefalsefalse1100000011USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of allowance for credit losses related to recorded investment.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5212-111524 false236false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse13false USDtruefalse$AS_OF_Jun30_2013_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_ForeignLoansMemberhttp://www.sec.gov/CIK0000072971instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseForeign Loans [Member]us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisxbrldihttp://xbrl.org/2006/xbrldiwfc_ForeignLoansMemberus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisexplicitMemberUSDollarStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse037true 4us-gaap_ImpairedFinancingReceivableRecordedInvestmentAbstractus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse038false 5us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalanceus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse9600000096USD$falsefalsefalse2truefalsefalse109000000109USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of unpaid principal balance of impaired financing receivables with related allowance for credit losses and without related allowance for credit losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(4) -URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5212-111524 false239false 5us-gaap_ImpairedFinancingReceivableRecordedInvestmentus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse4100000041USD$falsefalsefalse2truefalsefalse4300000043USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953550-111524 false240false 5us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestmentus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse4100000041USD$falsefalsefalse2truefalsefalse4300000043USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of investment in impaired financing receivables for which there is a related allowance for credit losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953550-111524 false241false 5us-gaap_ImpairedFinancingReceivableRelatedAllowanceus-gaap_truecreditinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse50000005USD$falsefalsefalse2truefalsefalse90000009USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of allowance for credit losses related to recorded investment.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5212-111524 false242false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse15false USDtruefalse$AS_OF_Jun30_2013_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_ConsumerPortfolioSegmentMemberhttp://www.sec.gov/CIK0000072971instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseTotal Consumer [Member]us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_ConsumerPortfolioSegmentMemberus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisexplicitMemberUSDollarStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse043true 4us-gaap_ImpairedFinancingReceivableRecordedInvestmentAbstractus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse044false 5us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalanceus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse2664000000026640USD$falsefalsefalse2truefalsefalse2502000000025020USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of unpaid principal balance of impaired financing receivables with related allowance for credit losses and without related allowance for credit losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(4) -URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5212-111524 false245false 5us-gaap_ImpairedFinancingReceivableRecordedInvestmentus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse2301800000023018USD$falsefalsefalse2truefalsefalse2182600000021826USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953550-111524 false246false 5us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestmentus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse1699400000016994USD$falsefalsefalse2truefalsefalse1816500000018165USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of investment in impaired financing receivables for which there is a related allowance for credit losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953550-111524 false247false 5us-gaap_ImpairedFinancingReceivableRelatedAllowanceus-gaap_truecreditinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse44910000004491USD$falsefalsefalse2truefalsefalse42100000004210USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of allowance for credit losses related to recorded investment.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5212-111524 false248false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse17false USDtruefalse$AS_OF_Jun30_2013_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_FirstMortgageMemberhttp://www.sec.gov/CIK0000072971instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseReal estate 1-4 family first mortgage [Member]us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_FirstMortgageMemberus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisexplicitMemberUSDollarStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse049true 4us-gaap_ImpairedFinancingReceivableRecordedInvestmentAbstractus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse050false 5us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalanceus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse2277800000022778USD$falsefalsefalse2truefalsefalse2129300000021293USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of unpaid principal balance of impaired financing receivables with related allowance for credit losses and without related allowance for credit losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(4) -URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5212-111524 false251false 5us-gaap_ImpairedFinancingReceivableRecordedInvestmentus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse1975400000019754USD$falsefalsefalse2truefalsefalse1847200000018472USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953550-111524 false252false 5us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestmentus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse1426300000014263USD$falsefalsefalse2truefalsefalse1522400000015224USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of investment in impaired financing receivables for which there is a related allowance for credit losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953550-111524 false253false 5us-gaap_ImpairedFinancingReceivableRelatedAllowanceus-gaap_truecreditinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse35130000003513USD$falsefalsefalse2truefalsefalse30740000003074USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of allowance for credit losses related to recorded investment.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5212-111524 false254false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse19false USDtruefalse$AS_OF_Jun30_2013_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_SecondMortgageMemberhttp://www.sec.gov/CIK0000072971instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseReal estate 1-4 family junior lien mortgage [Member]us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_SecondMortgageMemberus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisexplicitMemberUSDollarStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse055true 4us-gaap_ImpairedFinancingReceivableRecordedInvestmentAbstractus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse056false 5us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalanceus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse30490000003049USD$falsefalsefalse2truefalsefalse28550000002855USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of unpaid principal balance of impaired financing receivables with related allowance for credit losses and without related allowance for credit losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(4) -URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5212-111524 false257false 5us-gaap_ImpairedFinancingReceivableRecordedInvestmentus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse25110000002511USD$falsefalsefalse2truefalsefalse24830000002483USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953550-111524 false258false 5us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestmentus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse20930000002093USD$falsefalsefalse2truefalsefalse20700000002070USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of investment in impaired financing receivables for which there is a related allowance for credit losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953550-111524 false259false 5us-gaap_ImpairedFinancingReceivableRelatedAllowanceus-gaap_truecreditinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse764000000764USD$falsefalsefalse2truefalsefalse859000000859USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of allowance for credit losses related to recorded investment.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5212-111524 false260false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse21false USDtruefalse$AS_OF_Jun30_2013_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_CreditCardReceivablesMemberhttp://www.sec.gov/CIK0000072971instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseCredit Card [Member]us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_CreditCardReceivablesMemberus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisexplicitMemberUSDollarStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse061true 4us-gaap_ImpairedFinancingReceivableRecordedInvestmentAbstractus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse062false 5us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalanceus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse477000000477USD$falsefalsefalse2truefalsefalse531000000531USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of unpaid principal balance of impaired financing receivables with related allowance for credit losses and without related allowance for credit losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(4) -URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5212-111524 false263false 5us-gaap_ImpairedFinancingReceivableRecordedInvestmentus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse477000000477USD$falsefalsefalse2truefalsefalse531000000531USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953550-111524 false264false 5us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestmentus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse477000000477USD$falsefalsefalse2truefalsefalse531000000531USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of investment in impaired financing receivables for which there is a related allowance for credit losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953550-111524 false265false 5us-gaap_ImpairedFinancingReceivableRelatedAllowanceus-gaap_truecreditinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse197000000197USD$falsefalsefalse2truefalsefalse244000000244USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of allowance for credit losses related to recorded investment.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5212-111524 false266false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse23false USDtruefalse$AS_OF_Jun30_2013_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_ConsumerLoansAutoFinancingReceivableMemberhttp://www.sec.gov/CIK0000072971instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseAutomobile [Member]us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_ConsumerLoansAutoFinancingReceivableMemberus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisexplicitMemberUSDollarStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse067true 4us-gaap_ImpairedFinancingReceivableRecordedInvestmentAbstractus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse068false 5us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalanceus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse298000000298USD$falsefalsefalse2truefalsefalse314000000314USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of unpaid principal balance of impaired financing receivables with related allowance for credit losses and without related allowance for credit losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(4) -URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5212-111524 false269false 5us-gaap_ImpairedFinancingReceivableRecordedInvestmentus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse246000000246USD$falsefalsefalse2truefalsefalse314000000314USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953550-111524 false270false 5us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestmentus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse137000000137USD$falsefalsefalse2truefalsefalse314000000314USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of investment in impaired financing receivables for which there is a related allowance for credit losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953550-111524 false271false 5us-gaap_ImpairedFinancingReceivableRelatedAllowanceus-gaap_truecreditinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse1600000016USD$falsefalsefalse2truefalsefalse2700000027USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of allowance for credit losses related to recorded investment.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5212-111524 false272false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse25false USDtruefalse$AS_OF_Jun30_2013_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_ConsumerLoanMemberhttp://www.sec.gov/CIK0000072971instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseOther revolving credit and installment [Member]us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_ConsumerLoanMemberus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisexplicitMemberUSDollarStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse073true 4us-gaap_ImpairedFinancingReceivableRecordedInvestmentAbstractus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse074false 5us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalanceus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse3800000038USD$falsefalsefalse2truefalsefalse2700000027USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of unpaid principal balance of impaired financing receivables with related allowance for credit losses and without related allowance for credit losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(4) -URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5212-111524 false275false 5us-gaap_ImpairedFinancingReceivableRecordedInvestmentus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse3000000030USD$falsefalsefalse2truefalsefalse2600000026USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953550-111524 false276false 5us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestmentus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse2400000024USD$falsefalsefalse2truefalsefalse2600000026USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of investment in impaired financing receivables for which there is a related allowance for credit losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953550-111524 false277false 5us-gaap_ImpairedFinancingReceivableRelatedAllowanceus-gaap_truecreditinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse10000001USD$falsetruefalse2truefalsefalse60000006USD$falsetruefalsexbrli:monetaryItemTypemonetaryAmount of allowance for credit losses related to recorded investment.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5212-111524 false2falseLoans and Allowance for Credit Losses, Impaired Loans (Details) (USD $)MillionsUnKnownUnKnownUnKnowntruefalsefalseSheethttp://wellsfargo.com/role/DisclosureLoansAndAllowanceForCreditLossesImpairedLoansDetails277