2.4.0.82410404 - Disclosure - Receivables Held for Sale - Summary of Activity in Receivables Held for Sale (Detail)truefalseIn Millions, unless otherwise specifiedfalse1false USDfalsefalse$D2013Q2_us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis_hsbcfc_ConsumerLoanExcludingCreditCardMemberhttp://www.sec.gov/CIK0000354964duration2013-04-01T00:00:002013-06-30T00:00:00usdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$2false USDfalsefalse$D2013Q1YTD_us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis_hsbcfc_ConsumerLoanExcludingCreditCardMemberhttp://www.sec.gov/CIK0000354964duration2013-01-01T00:00:002013-03-31T00:00:00usdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$3false USDfalsefalse$D2013Q2YTD_us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis_hsbcfc_ConsumerLoanExcludingCreditCardMemberhttp://www.sec.gov/CIK0000354964duration2013-01-01T00:00:002013-06-30T00:00:00usdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$1true 4us-gaap_AllowanceForLoanAndLeaseLossesRollForwardus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Allowance for Loan and Lease Losses [Roll Forward]2false 5us-gaap_LoansReceivableHeldForSaleNetus-gaap_truedebitinstantfalsefalsefalsefalsefalsetruefalsefalseperiodStartLabel1truefalsefalse63540000006354USD$falsetruefalse2truefalsefalse62030000006203USD$falsetruefalse3truefalsefalse62030000006203USD$falsetruefalsexbrli: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 sale at beginning of period3false 5hsbcfc_LowerOfCostOrFairValueAdjustmentOnLoansHeldForSaleIncludingCreditComponenthsbcfc_falsecreditdurationfalsefalsefalsefalsefalsefalsefalsetruenegatedLabel1truefalsefalse471000000471USD$falsefalsefalse2falsefalsefalse00falsefalsefalse3truefalsefalse925000000925USD$falsefalsefalsexbrli:monetaryItemTypemonetaryLower of Cost or Fair Value Adjustment on Loans Held for Sale Including Credit Component.No definition available.false2Lower of amortized cost or fair value adjustment on receivables held for sale4false 5hsbcfc_SettlementReceivablehsbcfc_falsedebitdurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse-171000000-171USD$falsefalsefalse2falsefalsefalse00falsefalsefalse3truefalsefalse-318000000-318USD$falsefalsefalsexbrli:monetaryItemTypemonetarySettlement ReceivableNo definition available.false2Carrying value of real estate secured receivables held for sale settled through short sale or transfer to REO5false 5hsbcfc_ChangeInReceivableBalanceForReceivablesHeldForSalehsbcfc_falsecreditdurationfalsefalsefalsefalsefalsefalsefalsetruenegatedTerseLabel1truefalsefalse-23000000-23USD$falsefalsefalse2falsefalsefalse00falsefalsefalse3truefalsefalse-179000000-179USD$falsefalsefalsexbrli:monetaryItemTypemonetaryChange In Receivable Balance For Receivables Held For SaleNo definition available.false2Change in receivable balance, including collections6false 5us-gaap_TransferOfPortfolioLoansAndLeasesToHeldForSale1us-gaap_truecreditdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse15370000001537USD$falsefalsefalse2falsefalsefalse00falsefalsefalse3truefalsefalse15370000001537USD$falsefalsefalsexbrli:monetaryItemTypemonetaryValue of loans and leases held in the entity's portfolio transferred to loans and leases held-for-sale in noncash transactions.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4332-108586 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4313-108586 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586 false2Transfer of first lien real estate secured into held for sale at the lower of amortized cost or fair value7false 5us-gaap_LoansReceivableHeldForSaleNetus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsetruefalseperiodEndLabel1truefalsefalse49910000004991[1]USD$falsefalsefalse2falsefalsefalse00falsefalsefalse3truefalsefalse49910000004991[1]USD$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 sale at end of period8false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse3false USDtruefalse$D2013Q2_us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis_hsbcfc_RealEstateOwnedMemberhttp://www.sec.gov/CIK0000354964duration2013-04-01T00:00:002013-06-30T00:00:00falsefalseReal Estate Owned [Member]us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxisxbrldihttp://xbrl.org/2006/xbrldihsbcfc_RealEstateOwnedMemberus-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxisexplicitMemberusdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0Real Estate Owned [Member]9true 4us-gaap_AllowanceForLoanAndLeaseLossesRollForwardus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Allowance for Loan and Lease Losses [Roll Forward]10false 5us-gaap_LoansReceivableHeldForSaleNetus-gaap_truedebitinstantfalsefalsefalsefalsefalsetruefalsefalseperiodStartLabel1truefalsefalse34070000003407USD$falsefalsefalse2truefalsefalse30220000003022USD$falsefalsefalse3truefalsefalse30220000003022USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of loans held for sale, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements and loans classified as debt securities.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=28367877&loc=d3e4428-111522 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 7 -Subparagraph a -Article 9 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.7(a)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 35 -Paragraph 49 -URI http://asc.fasb.org/extlink&oid=25442802&loc=d3e3084-111518 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 948 -SubTopic 310 -Section 30 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6490209&loc=d3e48214-111002 false2Receivables held for sale at beginning of period11false 5hsbcfc_LoanreceivablesHeldforSaleSaleshsbcfc_falsecreditdurationfalsefalsefalsefalsefalsefalsefalsetruenegatedTerseLabel1truefalsefalse-230000000-230USD$falsefalsefalse2falsefalsefalse00falsefalsefalse3truefalsefalse-230000000-230[1]USD$falsefalsefalsexbrli:monetaryItemTypemonetaryLoan receivables Held-for-Sale, SalesNo definition available.false2Receivable sales12false 5hsbcfc_LowerOfCostOrFairValueAdjustmentOnLoansHeldForSaleIncludingCreditComponenthsbcfc_falsecreditdurationfalsefalsefalsefalsefalsefalsefalsetruenegatedLabel1truefalsefalse471000000471USD$falsefalsefalse2falsefalsefalse00falsefalsefalse3truefalsefalse10070000001007USD$falsefalsefalsexbrli:monetaryItemTypemonetaryLower of Cost or Fair Value Adjustment on Loans Held for Sale Including Credit Component.No definition available.false2Lower of amortized cost or fair value adjustment on receivables held for sale13false 5hsbcfc_SettlementReceivablehsbcfc_falsedebitdurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse-171000000-171USD$falsefalsefalse2falsefalsefalse00falsefalsefalse3truefalsefalse-318000000-318USD$falsefalsefalsexbrli:monetaryItemTypemonetarySettlement ReceivableNo definition available.false2Carrying value of real estate secured receivables held for sale settled through short sale or transfer to REO14false 5hsbcfc_ChangeInReceivableBalanceForReceivablesHeldForSalehsbcfc_falsecreditdurationfalsefalsefalsefalsefalsefalsefalsetruenegatedTerseLabel1truefalsefalse-23000000-23USD$falsefalsefalse2falsefalsefalse00falsefalsefalse3truefalsefalse-27000000-27USD$falsefalsefalsexbrli:monetaryItemTypemonetaryChange In Receivable Balance For Receivables Held For SaleNo definition available.false2Change in receivable balance, including collections15false 5us-gaap_TransferOfPortfolioLoansAndLeasesToHeldForSale1us-gaap_truecreditdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse15370000001537USD$falsefalsefalse2falsefalsefalse00falsefalsefalse3truefalsefalse15370000001537USD$falsefalsefalsexbrli:monetaryItemTypemonetaryValue of loans and leases held in the entity's portfolio transferred to loans and leases held-for-sale in noncash transactions.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4332-108586 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4313-108586 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586 false2Transfer of first lien real estate secured into held for sale at the lower of amortized cost or fair value16false 5us-gaap_LoansReceivableHeldForSaleNetus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsetruefalseperiodEndLabel1truefalsefalse49910000004991[1]USD$falsefalsefalse2falsefalsefalse00falsefalsefalse3truefalsefalse49910000004991[1]USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of loans held for sale, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements and loans classified as debt securities.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=28367877&loc=d3e4428-111522 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 7 -Subparagraph a -Article 9 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.7(a)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 35 -Paragraph 49 -URI http://asc.fasb.org/extlink&oid=25442802&loc=d3e3084-111518 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 948 -SubTopic 310 -Section 30 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6490209&loc=d3e48214-111002 false2Receivables held for sale at end of period17false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse5false USDtruefalse$D2013Q2_us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis_hsbcfc_ConsumerLoanExcludingCreditCardMemberhttp://www.sec.gov/CIK0000354964duration2013-04-01T00:00:002013-06-30T00:00:00falsefalsePersonal non-credit card [Member]us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxisxbrldihttp://xbrl.org/2006/xbrldihsbcfc_ConsumerLoanExcludingCreditCardMemberus-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxisexplicitMemberusdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0Personal non-credit card [Member]18true 4us-gaap_AllowanceForLoanAndLeaseLossesRollForwardus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Allowance for Loan and Lease Losses [Roll Forward]19false 5us-gaap_LoansReceivableHeldForSaleNetus-gaap_truedebitinstantfalsefalsefalsefalsefalsetruefalsefalseperiodStartLabel1truefalsefalse29470000002947USD$falsefalsefalse2truefalsefalse31810000003181[2]USD$falsefalsefalse3truefalsefalse31810000003181[2]USD$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 sale at beginning of period20false 5hsbcfc_LoanreceivablesHeldforSaleSaleshsbcfc_falsecreditdurationfalsefalsefalsefalsefalsefalsefalsetruenegatedTerseLabel1truefalsefalse-2947000000-2947USD$falsefalsefalse2falsefalsefalse00falsefalsefalse3truefalsefalse-2947000000-2947USD$falsefalsefalsexbrli:monetaryItemTypemonetaryLoan receivables Held-for-Sale, SalesNo definition available.false2Receivable sales21false 5hsbcfc_LowerOfCostOrFairValueAdjustmentOnLoansHeldForSaleIncludingCreditComponenthsbcfc_falsecreditdurationfalsefalsefalsefalsefalsefalsefalsetruenegatedLabel1truefalsefalse00USD$falsefalsefalse2truefalsefalse8200000082USD$falsefalsefalse3truefalsefalse-82000000-82USD$falsefalsefalsexbrli:monetaryItemTypemonetaryLower of Cost or Fair Value Adjustment on Loans Held for Sale Including Credit Component.No definition available.false2Lower of amortized cost or fair value adjustment on receivables held for sale22false 5hsbcfc_SettlementReceivablehsbcfc_falsedebitdurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse00USD$falsefalsefalse2falsefalsefalse00falsefalsefalse3truefalsefalse00USD$falsefalsefalsexbrli:monetaryItemTypemonetarySettlement ReceivableNo definition available.false2Carrying value of real estate secured receivables held for sale settled through short sale or transfer to REO23false 5hsbcfc_ChangeInReceivableBalanceForReceivablesHeldForSalehsbcfc_falsecreditdurationfalsefalsefalsefalsefalsefalsefalsetruenegatedTerseLabel1truefalsefalse00USD$falsefalsefalse2falsefalsefalse00falsefalsefalse3truefalsefalse-152000000-152USD$falsefalsefalsexbrli:monetaryItemTypemonetaryChange In Receivable Balance For Receivables Held For SaleNo definition available.false2Change in receivable balance, including collections24false 5us-gaap_TransferOfPortfolioLoansAndLeasesToHeldForSale1us-gaap_truecreditdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse00USD$falsefalsefalse2falsefalsefalse00falsefalsefalse3truefalsefalse00USD$falsefalsefalsexbrli:monetaryItemTypemonetaryValue of loans and leases held in the entity's portfolio transferred to loans and leases held-for-sale in noncash transactions.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4332-108586 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4313-108586 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586 false2Transfer of first lien real estate secured into held for sale at the lower of amortized cost or fair value25false 5us-gaap_LoansReceivableHeldForSaleNetus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsetruefalseperiodEndLabel1truefalsefalse00[1]USD$falsetruefalse2truefalsefalse29470000002947USD$falsetruefalse3truefalsefalse00[1]USD$falsetruefalsexbrli: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 sale at end of period1Net of a valuation allowance of $309 million at June 30, 2013.2The majority of the real estate secured receivables held for sale consider collateral value, among other items, in determining fair value. Collateral values are based on the most recently available broker's price opinion and the collateral loss severity rate averaged 31 percent and 37 percent at June 30, 2013 and December 31, 2012, respectively.falseReceivables Held for Sale - Summary of Activity in Receivables Held for Sale (Detail) (USD $)MillionsUnKnownUnKnownUnKnowntruefalsefalseSheethttp://www.us.hsbc.com/role/ReceivablesHeldForSaleSummaryOfActivityInReceivablesHeldForSaleDetail325