2.4.0.82408413 - Disclosure - Receivables - Nonperforming Consumer Receivable Portfolio (Detail)truefalsefalse1false USDfalsefalse$I2013Q2http://www.sec.gov/CIK0000354964instant2013-06-30T00:00:000001-01-01T00:00:00usdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$2false USDfalsefalse$I2013Q1http://www.sec.gov/CIK0000354964instant2013-03-31T00:00:000001-01-01T00:00:00usdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$3false USDfalsefalse$I2012Q4http://www.sec.gov/CIK0000354964instant2012-12-31T00:00:000001-01-01T00:00:00usdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$1true 3us-gaap_FinancingReceivableImpairedLineItemsus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Financing Receivable, Impaired [Line Items]2false 4hsbcfc_MortgageLoansOnRealEstateCommercialAndConsumerGrosshsbcfc_falsedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse2911200000029112000000[1],[2]USD$falsetruefalse2falsefalsefalse00falsefalsefalse3truefalsefalse3293900000032939000000[1],[2]USD$falsetruefalsexbrli:monetaryItemTypemonetaryMortgage loans on real estate commercial and consumer gross.No definition available.false2Real estate secured3false 4us-gaap_LoansReceivableHeldForSaleNetus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse49910000004991000000[3]USD$falsefalsefalse2truefalsefalse63540000006354000000USD$falsefalsefalse3truefalsefalse62030000006203000000USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of loans held for sale, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements and loans classified as debt securities.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=28367877&loc=d3e4428-111522 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 7 -Subparagraph a -Article 9 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.7(a)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 35 -Paragraph 49 -URI http://asc.fasb.org/extlink&oid=25442802&loc=d3e3084-111518 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 948 -SubTopic 310 -Section 30 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6490209&loc=d3e48214-111002 false2Receivables held for sale4false 4us-gaap_LoansAndLeasesReceivableGrossCarryingAmountConsumerus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3truefalsefalse62030000006203000000USD$falsefalsefalsexbrli:monetaryItemTypemonetaryReflects the aggregate gross carrying amount of all consumer loans and leases held in portfolio, prior to deducting deferred income and the allowance for losses on consumer loans and leases.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=28368275&loc=d3e5074-111524 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=28367877&loc=d3e4428-111522 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=28368275&loc=d3e5066-111524 false2Personal non-credit card5false 4hsbcfc_LoansAndLeasesReceivableGrossCarryingAmountExcludingCommercialhsbcfc_falsedebitinstantfalsefalsefalsefalsefalsefalsefalsefalsetotalLabel1truefalsefalse3410300000034103000000USD$falsefalsefalse2falsefalsefalse00falsefalsefalse3truefalsefalse3914200000039142000000USD$falsefalsefalsexbrli:monetaryItemTypemonetaryLoans And Leases Receivable Gross Carrying Amount Excluding Commercial.No definition available.true2Total6false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4false USDtruefalse$I2013Q2_us-gaap_InternalCreditAssessmentAxis_us-gaap_PerformingFinancingReceivableMemberhttp://www.sec.gov/CIK0000354964instant2013-06-30T00:00:000001-01-01T00:00:00falsefalsePerforming Loans [Member]us-gaap_InternalCreditAssessmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_PerformingFinancingReceivableMemberus-gaap_InternalCreditAssessmentAxisexplicitMemberusdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0Performing Loans [Member]7true 3us-gaap_FinancingReceivableImpairedLineItemsus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Financing Receivable, Impaired [Line Items]8false 4hsbcfc_MortgageLoansOnRealEstateCommercialAndConsumerGrosshsbcfc_falsedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse2753300000027533000000[1],[2]USD$falsefalsefalse2falsefalsefalse00falsefalsefalse3truefalsefalse2990700000029907000000[1],[2]USD$falsefalsefalsexbrli:monetaryItemTypemonetaryMortgage loans on real estate commercial and consumer gross.No definition available.false2Real estate secured9false 4us-gaap_LoansReceivableHeldForSaleNetus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse12650000001265000000USD$falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of loans held for sale, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements and loans classified as debt securities.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=28367877&loc=d3e4428-111522 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 7 -Subparagraph a -Article 9 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.7(a)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 35 -Paragraph 49 -URI http://asc.fasb.org/extlink&oid=25442802&loc=d3e3084-111518 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 948 -SubTopic 310 -Section 30 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6490209&loc=d3e48214-111002 false2Receivables held for sale10false 4us-gaap_LoansAndLeasesReceivableGrossCarryingAmountConsumerus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3truefalsefalse40420000004042000000USD$falsefalsefalsexbrli:monetaryItemTypemonetaryReflects the aggregate gross carrying amount of all consumer loans and leases held in portfolio, prior to deducting deferred income and the allowance for losses on consumer loans and leases.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=28368275&loc=d3e5074-111524 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=28367877&loc=d3e4428-111522 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=28368275&loc=d3e5066-111524 false2Personal non-credit card11false 4hsbcfc_LoansAndLeasesReceivableGrossCarryingAmountExcludingCommercialhsbcfc_falsedebitinstantfalsefalsefalsefalsefalsefalsefalsefalsetotalLabel1truefalsefalse2879800000028798000000USD$falsefalsefalse2falsefalsefalse00falsefalsefalse3truefalsefalse3394900000033949000000USD$falsefalsefalsexbrli:monetaryItemTypemonetaryLoans And Leases Receivable Gross Carrying Amount Excluding Commercial.No definition available.true2Total12false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse6false USDtruefalse$I2013Q2_us-gaap_InternalCreditAssessmentAxis_us-gaap_NonperformingFinancingReceivableMemberhttp://www.sec.gov/CIK0000354964instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseNonperforming Loans [Member]us-gaap_InternalCreditAssessmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_NonperformingFinancingReceivableMemberus-gaap_InternalCreditAssessmentAxisexplicitMemberusdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0Nonperforming Loans [Member]13true 3us-gaap_FinancingReceivableImpairedLineItemsus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Financing Receivable, Impaired [Line Items]14false 4hsbcfc_MortgageLoansOnRealEstateCommercialAndConsumerGrosshsbcfc_falsedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse15790000001579000000[1],[2]USD$falsefalsefalse2falsefalsefalse00falsefalsefalse3truefalsefalse30320000003032000000[1],[2]USD$falsefalsefalsexbrli:monetaryItemTypemonetaryMortgage loans on real estate commercial and consumer gross.No definition available.false2Real estate secured15false 4us-gaap_LoansReceivableHeldForSaleNetus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse37260000003726000000USD$falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of loans held for sale, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements and loans classified as debt securities.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=28367877&loc=d3e4428-111522 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 7 -Subparagraph a -Article 9 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.7(a)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 35 -Paragraph 49 -URI http://asc.fasb.org/extlink&oid=25442802&loc=d3e3084-111518 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 948 -SubTopic 310 -Section 30 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6490209&loc=d3e48214-111002 false2Receivables held for sale16false 4us-gaap_LoansAndLeasesReceivableGrossCarryingAmountConsumerus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3truefalsefalse21610000002161000000USD$falsefalsefalsexbrli:monetaryItemTypemonetaryReflects the aggregate gross carrying amount of all consumer loans and leases held in portfolio, prior to deducting deferred income and the allowance for losses on consumer loans and leases.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=28368275&loc=d3e5074-111524 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=28367877&loc=d3e4428-111522 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=28368275&loc=d3e5066-111524 false2Personal non-credit card17false 4hsbcfc_LoansAndLeasesReceivableGrossCarryingAmountExcludingCommercialhsbcfc_falsedebitinstantfalsefalsefalsefalsefalsefalsefalsefalsetotalLabel1truefalsefalse53050000005305000000USD$falsefalsefalse2falsefalsefalse00falsefalsefalse3truefalsefalse51930000005193000000USD$falsefalsefalsexbrli:monetaryItemTypemonetaryLoans And Leases Receivable Gross Carrying Amount Excluding Commercial.No definition available.true2Total18false 4hsbcfc_NonPerformingTdrLoanReceivableCarriedAtLowerOfAmortizedCostOrFairValuehsbcfc_falsedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse12000000001200000000USD$falsefalsefalse2falsefalsefalse00falsefalsefalse3truefalsefalse21000000002100000000USD$falsefalsefalsexbrli:monetaryItemTypemonetaryNon performing TDR loan receivable carried at lower of amortized cost or fair value.No definition available.false2Nonperforming receivables held for investment (TDR)19false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse8false USDtruefalse$I2013Q2_us-gaap_InternalCreditAssessmentAxis_us-gaap_NonperformingFinancingReceivableMember_us-gaap_MortgageLoansOnRealEstateDescriptionLoanCategoryAxis_hsbcfc_RealEstateSecuredMemberhttp://www.sec.gov/CIK0000354964instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseReal Estate Secured [Member]us-gaap_MortgageLoansOnRealEstateDescriptionLoanCategoryAxisxbrldihttp://xbrl.org/2006/xbrldihsbcfc_RealEstateSecuredMemberus-gaap_MortgageLoansOnRealEstateDescriptionLoanCategoryAxisexplicitMemberfalsefalseNonperforming Loans [Member]us-gaap_InternalCreditAssessmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_NonperformingFinancingReceivableMemberus-gaap_InternalCreditAssessmentAxisexplicitMemberusdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0Real Estate Secured [Member] | Nonperforming Loans [Member]20true 3us-gaap_FinancingReceivableImpairedLineItemsus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Financing Receivable, Impaired [Line Items]21false 4hsbcfc_NonPerformingLoanRealEstateSecuredReceivableCarriedAtLowerOfAmortizedCostOrFairValuehsbcfc_falsedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse642000000642000000USD$falsetruefalse2falsefalsefalse00falsefalsefalse3truefalsefalse17000000001700000000USD$falsetruefalsexbrli:monetaryItemTypemonetaryNon performing loan real estate secured receivable carried at lower of amortized cost or fair value.No definition available.false2Nonperforming receivables held for investment1At June 30, 2013 and December 31, 2012, nonaccrual real estate secured receivables held for investment include $1.2 billion and $2.1 billion, respectively, of TDR Loans, some of which may also be carried at fair value of the collateral less cost to sell2At June 30, 2013 and December 31, 2012, nonaccrual real estate secured receivables held for investment include $642 million and $1.7 billion, respectively, of receivables that are carried at the lower of amortized cost or fair value of the collateral less cost to sell.3Net of a valuation allowance of $309 million at June 30, 2013.falseReceivables - Nonperforming Consumer Receivable Portfolio (Detail) (USD $)NoRoundingUnKnownUnKnownUnKnowntruefalsefalseSheethttp://www.us.hsbc.com/role/ReceivablesNonperformingConsumerReceivablePortfolioDetail321