| | | | | | | | | | | | | | | | | | | | | |
<?xml version="1.0" encoding="windows-1252"?> |
<!-- XBRL Document Created with the Workiva Platform --> |
<!-- Copyright 2024 Workiva --> |
<!-- r:540891d5-758a-4772-b27f-642838da37d8,g:bbb027e4-2a9c-441e-a088-394f5b2808cf --> |
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:ntrs="http://www.northerntrust.com/20231231" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:dtr-types1="http://www.xbrl.org/dtr/type/2020-01-21" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:dtr-types="http://www.xbrl.org/dtr/type/2022-03-31" attributeFormDefault="unqualified" elementFormDefault="qualified" targetNamespace="http://www.northerntrust.com/20231231"> |
| <xs:import namespace="http://fasb.org/srt/2023" schemaLocation="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd"/> |
| <xs:import namespace="http://fasb.org/us-gaap/2023" schemaLocation="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd"/> |
| <xs:import namespace="http://www.w3.org/1999/xlink" schemaLocation="http://www.xbrl.org/2003/xlink-2003-12-31.xsd"/> |
| <xs:import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd"/> |
| <xs:import namespace="http://www.xbrl.org/2003/linkbase" schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd"/> |
| <xs:import namespace="http://www.xbrl.org/dtr/type/2020-01-21" schemaLocation="https://www.xbrl.org/dtr/type/2020-01-21/types.xsd"/> |
| <xs:import namespace="http://www.xbrl.org/dtr/type/2022-03-31" schemaLocation="https://www.xbrl.org/dtr/type/2022-03-31/types.xsd"/> |
| <xs:import namespace="http://xbrl.org/2005/xbrldt" schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd"/> |
| <xs:import namespace="http://xbrl.sec.gov/country/2023" schemaLocation="https://xbrl.sec.gov/country/2023/country-2023.xsd"/> |
| <xs:import namespace="http://xbrl.sec.gov/dei/2023" schemaLocation="https://xbrl.sec.gov/dei/2023/dei-2023.xsd"/> |
| <xs:import namespace="http://xbrl.sec.gov/ecd/2023" schemaLocation="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd"/> |
| <xs:import namespace="http://xbrl.sec.gov/stpr/2023" schemaLocation="https://xbrl.sec.gov/stpr/2023/stpr-2023.xsd"/> |
| <xs:annotation> |
| | <xs:appinfo> |
| | | <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="ntrs-20231231_pre.xml" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:type="simple"/> |
| | | <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="ntrs-20231231_def.xml" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef" xlink:type="simple"/> |
| | | <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="ntrs-20231231_lab.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:type="simple"/> |
| | | <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="ntrs-20231231_cal.xml" xlink:role="http://www.xbrl.org/2003/role/calculationLinkbaseRef" xlink:type="simple"/> |
| | | <link:roleType id="CoverPage" roleURI="http://www.northerntrust.com/role/CoverPage"> |
| <link:definition> 0000001 - Document - Cover Page </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="AuditInformation" roleURI="http://www.northerntrust.com/role/AuditInformation"> |
| <link:definition> 0000002 - Document - Audit Information </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="ConsolidatedBalanceSheets" roleURI="http://www.northerntrust.com/role/ConsolidatedBalanceSheets"> |
| <link:definition> 0000003 - Statement - Consolidated Balance Sheets </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="ConsolidatedBalanceSheetParenthetical" roleURI="http://www.northerntrust.com/role/ConsolidatedBalanceSheetParenthetical"> |
| <link:definition> 0000004 - Statement - Consolidated Balance Sheet (Parenthetical) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="ConsolidatedStatementsofIncome" roleURI="http://www.northerntrust.com/role/ConsolidatedStatementsofIncome"> |
| <link:definition> 0000005 - Statement - Consolidated Statements of Income </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="ConsolidatedStatementsofComprehensiveIncome" roleURI="http://www.northerntrust.com/role/ConsolidatedStatementsofComprehensiveIncome"> |
| <link:definition> 0000006 - Statement - Consolidated Statements of Comprehensive Income </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="ConsolidatedStatementsofChangesinStockholdersEquity" roleURI="http://www.northerntrust.com/role/ConsolidatedStatementsofChangesinStockholdersEquity"> |
| <link:definition> 0000007 - Statement - Consolidated Statements of Changes in Stockholders' Equity </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="ConsolidatedStatementsofChangesinStockholdersEquityParenthetical" roleURI="http://www.northerntrust.com/role/ConsolidatedStatementsofChangesinStockholdersEquityParenthetical"> |
| <link:definition> 0000008 - Statement - Consolidated Statements of Changes in Stockholders' Equity (Parenthetical) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="ConsolidatedStatementsofCashFlows" roleURI="http://www.northerntrust.com/role/ConsolidatedStatementsofCashFlows"> |
| <link:definition> 0000009 - Statement - Consolidated Statements of Cash Flows </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="SummaryofSignificantAccountingPolicies" roleURI="http://www.northerntrust.com/role/SummaryofSignificantAccountingPolicies"> |
| <link:definition> 0000010 - Disclosure - Summary of Significant Accounting Policies </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="RecentAccountingPronouncements" roleURI="http://www.northerntrust.com/role/RecentAccountingPronouncements"> |
| <link:definition> 0000011 - Disclosure - Recent Accounting Pronouncements </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="FairValueMeasurements" roleURI="http://www.northerntrust.com/role/FairValueMeasurements"> |
| <link:definition> 0000012 - Disclosure - Fair Value Measurements </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="Securities" roleURI="http://www.northerntrust.com/role/Securities"> |
| <link:definition> 0000013 - Disclosure - Securities </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="Loans" roleURI="http://www.northerntrust.com/role/Loans"> |
| <link:definition> 0000014 - Disclosure - Loans </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="AllowanceforCreditLosses" roleURI="http://www.northerntrust.com/role/AllowanceforCreditLosses"> |
| <link:definition> 0000015 - Disclosure - Allowance for Credit Losses </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="ConcentrationsofCreditRisk" roleURI="http://www.northerntrust.com/role/ConcentrationsofCreditRisk"> |
| <link:definition> 0000016 - Disclosure - Concentrations of Credit Risk </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="BuildingsandEquipment" roleURI="http://www.northerntrust.com/role/BuildingsandEquipment"> |
| <link:definition> 0000017 - Disclosure - Buildings and Equipment </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="LeaseCommitments" roleURI="http://www.northerntrust.com/role/LeaseCommitments"> |
| <link:definition> 0000018 - Disclosure - Lease Commitments </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="GoodwillandOtherIntangibles" roleURI="http://www.northerntrust.com/role/GoodwillandOtherIntangibles"> |
| <link:definition> 0000019 - Disclosure - Goodwill and Other Intangibles </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="Deposits" roleURI="http://www.northerntrust.com/role/Deposits"> |
| <link:definition> 0000020 - Disclosure - Deposits </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="SeniorNotesandLongTermDebt" roleURI="http://www.northerntrust.com/role/SeniorNotesandLongTermDebt"> |
| <link:definition> 0000021 - Disclosure - Senior Notes and Long-Term Debt </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="StockholdersEquity" roleURI="http://www.northerntrust.com/role/StockholdersEquity"> |
| <link:definition> 0000022 - Disclosure - Stockholders' Equity </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="AccumulatedOtherComprehensiveIncomeLoss" roleURI="http://www.northerntrust.com/role/AccumulatedOtherComprehensiveIncomeLoss"> |
| <link:definition> 0000023 - Disclosure - Accumulated Other Comprehensive Income (Loss) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="NetIncomeperCommonShare" roleURI="http://www.northerntrust.com/role/NetIncomeperCommonShare"> |
| <link:definition> 0000024 - Disclosure - Net Income per Common Share </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="RevenuefromContractswithClients" roleURI="http://www.northerntrust.com/role/RevenuefromContractswithClients"> |
| <link:definition> 0000025 - Disclosure - Revenue from Contracts with Clients </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="NetInterestIncome" roleURI="http://www.northerntrust.com/role/NetInterestIncome"> |
| <link:definition> 0000026 - Disclosure - Net Interest Income </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="OtherOperatingIncome" roleURI="http://www.northerntrust.com/role/OtherOperatingIncome"> |
| <link:definition> 0000027 - Disclosure - Other Operating Income </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="OtherOperatingExpense" roleURI="http://www.northerntrust.com/role/OtherOperatingExpense"> |
| <link:definition> 0000028 - Disclosure - Other Operating Expense </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="IncomeTaxes" roleURI="http://www.northerntrust.com/role/IncomeTaxes"> |
| <link:definition> 0000029 - Disclosure - Income Taxes </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="EmployeeBenefits" roleURI="http://www.northerntrust.com/role/EmployeeBenefits"> |
| <link:definition> 0000030 - Disclosure - Employee Benefits </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="ShareBasedCompensationPlans" roleURI="http://www.northerntrust.com/role/ShareBasedCompensationPlans"> |
| <link:definition> 0000031 - Disclosure - Share-Based Compensation Plans </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="CashBasedCompensationPlans" roleURI="http://www.northerntrust.com/role/CashBasedCompensationPlans"> |
| <link:definition> 0000032 - Disclosure - Cash-Based Compensation Plans </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="CommitmentsandContingentLiabilities" roleURI="http://www.northerntrust.com/role/CommitmentsandContingentLiabilities"> |
| <link:definition> 0000033 - Disclosure - Commitments and Contingent Liabilities </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="DerivativeFinancialInstruments" roleURI="http://www.northerntrust.com/role/DerivativeFinancialInstruments"> |
| <link:definition> 0000034 - Disclosure - Derivative Financial Instruments </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="SecuritiesPurchasedUnderAgreementstoResellandSecuritiesSoldUnderAgreementstoRepurchase" roleURI="http://www.northerntrust.com/role/SecuritiesPurchasedUnderAgreementstoResellandSecuritiesSoldUnderAgreementstoRepurchase"> |
| <link:definition> 0000035 - Disclosure - Securities Purchased Under Agreements to Resell and Securities Sold Under Agreements to Repurchase </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="OffsettingofAssetsandLiabilities" roleURI="http://www.northerntrust.com/role/OffsettingofAssetsandLiabilities"> |
| <link:definition> 0000036 - Disclosure - Offsetting of Assets and Liabilities </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="VariableInterestEntities" roleURI="http://www.northerntrust.com/role/VariableInterestEntities"> |
| <link:definition> 0000037 - Disclosure - Variable Interest Entities </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="PledgedAssetsAcceptedCollateralandRestrictedAssets" roleURI="http://www.northerntrust.com/role/PledgedAssetsAcceptedCollateralandRestrictedAssets"> |
| <link:definition> 0000038 - Disclosure - Pledged Assets, Accepted Collateral and Restricted Assets </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="RestrictionsonSubsidiaryDividendsandLoansorAdvances" roleURI="http://www.northerntrust.com/role/RestrictionsonSubsidiaryDividendsandLoansorAdvances"> |
| <link:definition> 0000039 - Disclosure - Restrictions on Subsidiary Dividends and Loans or Advances </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="ReportingSegmentsandRelatedInformation" roleURI="http://www.northerntrust.com/role/ReportingSegmentsandRelatedInformation"> |
| <link:definition> 0000040 - Disclosure - Reporting Segments and Related Information </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="RegulatoryCapitalRequirements" roleURI="http://www.northerntrust.com/role/RegulatoryCapitalRequirements"> |
| <link:definition> 0000041 - Disclosure - Regulatory Capital Requirements </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="NorthernTrustCorporationCorporationonly" roleURI="http://www.northerntrust.com/role/NorthernTrustCorporationCorporationonly"> |
| <link:definition> 0000042 - Disclosure - Northern Trust Corporation (Corporation only) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="SubsequentEvents" roleURI="http://www.northerntrust.com/role/SubsequentEvents"> |
| <link:definition> 0000043 - Disclosure - Subsequent Events </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="SummaryofSignificantAccountingPoliciesPolicies" roleURI="http://www.northerntrust.com/role/SummaryofSignificantAccountingPoliciesPolicies"> |
| <link:definition> 9954471 - Disclosure - Summary of Significant Accounting Policies (Policies) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="FairValueMeasurementsTables" roleURI="http://www.northerntrust.com/role/FairValueMeasurementsTables"> |
| <link:definition> 9954472 - Disclosure - Fair Value Measurements (Tables) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="SecuritiesTables" roleURI="http://www.northerntrust.com/role/SecuritiesTables"> |
| <link:definition> 9954473 - Disclosure - Securities (Tables) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="LoansTables" roleURI="http://www.northerntrust.com/role/LoansTables"> |
| <link:definition> 9954474 - Disclosure - Loans (Tables) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="AllowanceforCreditLossesTables" roleURI="http://www.northerntrust.com/role/AllowanceforCreditLossesTables"> |
| <link:definition> 9954475 - Disclosure - Allowance for Credit Losses (Tables) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="ConcentrationsofCreditRiskTables" roleURI="http://www.northerntrust.com/role/ConcentrationsofCreditRiskTables"> |
| <link:definition> 9954476 - Disclosure - Concentrations of Credit Risk (Tables) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="BuildingsandEquipmentTables" roleURI="http://www.northerntrust.com/role/BuildingsandEquipmentTables"> |
| <link:definition> 9954477 - Disclosure - Buildings and Equipment (Tables) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="LeaseCommitmentsTables" roleURI="http://www.northerntrust.com/role/LeaseCommitmentsTables"> |
| <link:definition> 9954478 - Disclosure - Lease Commitments (Tables) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="GoodwillandOtherIntangiblesTables" roleURI="http://www.northerntrust.com/role/GoodwillandOtherIntangiblesTables"> |
| <link:definition> 9954479 - Disclosure - Goodwill and Other Intangibles (Tables) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="DepositsTables" roleURI="http://www.northerntrust.com/role/DepositsTables"> |
| <link:definition> 9954480 - Disclosure - Deposits (Tables) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="SeniorNotesandLongTermDebtTables" roleURI="http://www.northerntrust.com/role/SeniorNotesandLongTermDebtTables"> |
| <link:definition> 9954481 - Disclosure - Senior Notes and Long-Term Debt (Tables) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="StockholdersEquityTables" roleURI="http://www.northerntrust.com/role/StockholdersEquityTables"> |
| <link:definition> 9954482 - Disclosure - Stockholders' Equity (Tables) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="AccumulatedOtherComprehensiveIncomeLossTables" roleURI="http://www.northerntrust.com/role/AccumulatedOtherComprehensiveIncomeLossTables"> |
| <link:definition> 9954483 - Disclosure - Accumulated Other Comprehensive Income (Loss) (Tables) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="NetIncomeperCommonShareTables" roleURI="http://www.northerntrust.com/role/NetIncomeperCommonShareTables"> |
| <link:definition> 9954484 - Disclosure - Net Income per Common Share (Tables) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="RevenuefromContractswithClientsRevenuefromContractswithClientsTables" roleURI="http://www.northerntrust.com/role/RevenuefromContractswithClientsRevenuefromContractswithClientsTables"> |
| <link:definition> 9954485 - Disclosure - Revenue from Contracts with Clients Revenue from Contracts with Clients (Tables) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="NetInterestIncomeTables" roleURI="http://www.northerntrust.com/role/NetInterestIncomeTables"> |
| <link:definition> 9954486 - Disclosure - Net Interest Income (Tables) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="OtherOperatingIncomeTables" roleURI="http://www.northerntrust.com/role/OtherOperatingIncomeTables"> |
| <link:definition> 9954487 - Disclosure - Other Operating Income (Tables) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="OtherOperatingExpenseTables" roleURI="http://www.northerntrust.com/role/OtherOperatingExpenseTables"> |
| <link:definition> 9954488 - Disclosure - Other Operating Expense (Tables) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="IncomeTaxesTables" roleURI="http://www.northerntrust.com/role/IncomeTaxesTables"> |
| <link:definition> 9954489 - Disclosure - Income Taxes (Tables) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="EmployeeBenefitsTables" roleURI="http://www.northerntrust.com/role/EmployeeBenefitsTables"> |
| <link:definition> 9954490 - Disclosure - Employee Benefits (Tables) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="ShareBasedCompensationPlansTables" roleURI="http://www.northerntrust.com/role/ShareBasedCompensationPlansTables"> |
| <link:definition> 9954491 - Disclosure - Share-Based Compensation Plans (Tables) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="CommitmentsandContingentLiabilitiesTables" roleURI="http://www.northerntrust.com/role/CommitmentsandContingentLiabilitiesTables"> |
| <link:definition> 9954492 - Disclosure - Commitments and Contingent Liabilities (Tables) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="DerivativeFinancialInstrumentsTables" roleURI="http://www.northerntrust.com/role/DerivativeFinancialInstrumentsTables"> |
| <link:definition> 9954493 - Disclosure - Derivative Financial Instruments (Tables) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="SecuritiesPurchasedUnderAgreementstoResellandSecuritiesSoldUnderAgreementstoRepurchaseTables" roleURI="http://www.northerntrust.com/role/SecuritiesPurchasedUnderAgreementstoResellandSecuritiesSoldUnderAgreementstoRepurchaseTables"> |
| <link:definition> 9954494 - Disclosure - Securities Purchased Under Agreements to Resell and Securities Sold Under Agreements to Repurchase (Tables) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="OffsettingofAssetsandLiabilitiesTables" roleURI="http://www.northerntrust.com/role/OffsettingofAssetsandLiabilitiesTables"> |
| <link:definition> 9954495 - Disclosure - Offsetting of Assets and Liabilities (Tables) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="OrganizationConsolidationandPresentationofFinancialStatementsTables" roleURI="http://www.northerntrust.com/role/OrganizationConsolidationandPresentationofFinancialStatementsTables"> |
| <link:definition> 9954496 - Disclosure - Organization, Consolidation and Presentation of Financial Statements (Tables) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="PledgedAssetsAcceptedCollateralandRestrictedAssetsTables" roleURI="http://www.northerntrust.com/role/PledgedAssetsAcceptedCollateralandRestrictedAssetsTables"> |
| <link:definition> 9954497 - Disclosure - Pledged Assets, Accepted Collateral and Restricted Assets (Tables) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="ReportingSegmentsandRelatedInformationTables" roleURI="http://www.northerntrust.com/role/ReportingSegmentsandRelatedInformationTables"> |
| <link:definition> 9954498 - Disclosure - Reporting Segments and Related Information (Tables) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="RegulatoryCapitalRequirementsTables" roleURI="http://www.northerntrust.com/role/RegulatoryCapitalRequirementsTables"> |
| <link:definition> 9954499 - Disclosure - Regulatory Capital Requirements (Tables) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="NorthernTrustCorporationCorporationonlyTables" roleURI="http://www.northerntrust.com/role/NorthernTrustCorporationCorporationonlyTables"> |
| <link:definition> 9954500 - Disclosure - Northern Trust Corporation (Corporation only) (Tables) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="SummaryofSignificantAccountingPoliciesNarrativeDetail" roleURI="http://www.northerntrust.com/role/SummaryofSignificantAccountingPoliciesNarrativeDetail"> |
| <link:definition> 9954501 - Disclosure - Summary of Significant Accounting Policies - Narrative (Detail) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="FairValueMeasurementsNarrativeDetail" roleURI="http://www.northerntrust.com/role/FairValueMeasurementsNarrativeDetail"> |
| <link:definition> 9954502 - Disclosure - Fair Value Measurements - Narrative (Detail) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="FairValueMeasurementsLevel3SignificantUnobservableInputsDetail" roleURI="http://www.northerntrust.com/role/FairValueMeasurementsLevel3SignificantUnobservableInputsDetail"> |
| <link:definition> 9954503 - Disclosure - Fair Value Measurements - Level 3 Significant Unobservable Inputs (Detail) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="FairValueMeasurementsRecurringBasisHierarchyLevelingDetail" roleURI="http://www.northerntrust.com/role/FairValueMeasurementsRecurringBasisHierarchyLevelingDetail"> |
| <link:definition> 9954504 - Disclosure - Fair Value Measurements - Recurring Basis Hierarchy Leveling (Detail) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="FairValueMeasurementsChangesinLevel3LiabilitiesDetail" roleURI="http://www.northerntrust.com/role/FairValueMeasurementsChangesinLevel3LiabilitiesDetail"> |
| <link:definition> 9954505 - Disclosure - Fair Value Measurements - Changes in Level 3 Liabilities (Detail) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="FairValueMeasurementsValuationTechniquesSignificantUnobservableInputsQuantitativeInformationNonrecurringBasisDetail" roleURI="http://www.northerntrust.com/role/FairValueMeasurementsValuationTechniquesSignificantUnobservableInputsQuantitativeInformationNonrecurringBasisDetail"> |
| <link:definition> 9954506 - Disclosure - Fair Value Measurements - Valuation Techniques, Significant Unobservable Inputs, Quantitative Information Non-recurring Basis (Detail) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="FairValueMeasurementsFairValueofFinancialInstrumentsDetails" roleURI="http://www.northerntrust.com/role/FairValueMeasurementsFairValueofFinancialInstrumentsDetails"> |
| <link:definition> 9954507 - Disclosure - Fair Value Measurements (Fair Value of Financial Instruments) (Details) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="SecuritiesReconciliationofAmortizedCosttoFairValueofSecuritiesAvailableforSaleDetails" roleURI="http://www.northerntrust.com/role/SecuritiesReconciliationofAmortizedCosttoFairValueofSecuritiesAvailableforSaleDetails"> |
| <link:definition> 9954508 - Disclosure - Securities (Reconciliation of Amortized Cost to Fair Value of Securities Available for Sale) (Details) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="SecuritiesRemainingMaturityofSecuritiesAvailableforSaleandHeldtoMaturityDetails" roleURI="http://www.northerntrust.com/role/SecuritiesRemainingMaturityofSecuritiesAvailableforSaleandHeldtoMaturityDetails"> |
| <link:definition> 9954509 - Disclosure - Securities (Remaining Maturity of Securities Available for Sale and Held to Maturity) (Details) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="SecuritiesSecuritieswithUnrealizedLossesDetails" roleURI="http://www.northerntrust.com/role/SecuritiesSecuritieswithUnrealizedLossesDetails"> |
| <link:definition> 9954510 - Disclosure - Securities (Securities with Unrealized Losses) (Details) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="SecuritiesNarrativeDetails" roleURI="http://www.northerntrust.com/role/SecuritiesNarrativeDetails"> |
| <link:definition> 9954511 - Disclosure - Securities (Narrative) (Details) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="SecuritiesReconciliationofAmortizedCosttoFairValueofSecuritiesHeldtoMaturityDetails" roleURI="http://www.northerntrust.com/role/SecuritiesReconciliationofAmortizedCosttoFairValueofSecuritiesHeldtoMaturityDetails"> |
| <link:definition> 9954512 - Disclosure - Securities (Reconciliation of Amortized Cost to Fair Value of Securities Held to Maturity) (Details) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="SecuritiesCreditQualityIndicatorsDetails" roleURI="http://www.northerntrust.com/role/SecuritiesCreditQualityIndicatorsDetails"> |
| <link:definition> 9954513 - Disclosure - Securities (Credit Quality Indicators) (Details) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="SecuritiesInvestmentSecurityGainsandLossesDetails" roleURI="http://www.northerntrust.com/role/SecuritiesInvestmentSecurityGainsandLossesDetails"> |
| <link:definition> 9954514 - Disclosure - Securities (Investment Security Gains and Losses) (Details) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="SecuritiesInvestmentSecurityGainsandLossesbySecurityTypeDetails" roleURI="http://www.northerntrust.com/role/SecuritiesInvestmentSecurityGainsandLossesbySecurityTypeDetails"> |
| <link:definition> 9954515 - Disclosure - Securities (Investment Security Gains and Losses by Security Type) (Details) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="LoansLoansandLeasesDetails" roleURI="http://www.northerntrust.com/role/LoansLoansandLeasesDetails"> |
| <link:definition> 9954516 - Disclosure - Loans (Loans and Leases) (Details) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="LoansNarrativeDetails" roleURI="http://www.northerntrust.com/role/LoansNarrativeDetails"> |
| <link:definition> 9954517 - Disclosure - Loans (Narrative) (Details) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="LoansCreditQualityIndicatorAtAmortizedCostByOriginationYearDetails" roleURI="http://www.northerntrust.com/role/LoansCreditQualityIndicatorAtAmortizedCostByOriginationYearDetails"> |
| <link:definition> 9954518 - Disclosure - Loans (Credit Quality Indicator At Amortized Cost By Origination Year) (Details) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="LoansDelinquencyStatusDetails" roleURI="http://www.northerntrust.com/role/LoansDelinquencyStatusDetails"> |
| <link:definition> 9954519 - Disclosure - Loans (Delinquency Status) (Details) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="LoansLoanModificationsMadeToBorrowersExperiencingFinancialDifficultyDetails" roleURI="http://www.northerntrust.com/role/LoansLoanModificationsMadeToBorrowersExperiencingFinancialDifficultyDetails"> |
| <link:definition> 9954520 - Disclosure - Loans (Loan Modifications Made To Borrowers Experiencing Financial Difficulty) (Details) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="LoansTroubledDebtRestructuringsDetails" roleURI="http://www.northerntrust.com/role/LoansTroubledDebtRestructuringsDetails"> |
| <link:definition> 9954521 - Disclosure - Loans (Troubled Debt Restructurings) (Details) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="AllowanceforCreditLossesNarrativeDetails" roleURI="http://www.northerntrust.com/role/AllowanceforCreditLossesNarrativeDetails"> |
| <link:definition> 9954522 - Disclosure - Allowance for Credit Losses (Narrative) (Details) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="AllowanceforCreditLossesChangesinAllowanceforCreditLossesDetails" roleURI="http://www.northerntrust.com/role/AllowanceforCreditLossesChangesinAllowanceforCreditLossesDetails"> |
| <link:definition> 9954523 - Disclosure - Allowance for Credit Losses (Changes in Allowance for Credit Losses) (Details) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="AllowanceforCreditLossesChangesinAllowanceforCreditLossesDetails_1" roleURI="http://www.northerntrust.com/role/AllowanceforCreditLossesChangesinAllowanceforCreditLossesDetails_1"> |
| <link:definition> 9954523 - Disclosure - Allowance for Credit Losses (Changes in Allowance for Credit Losses) (Details) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="AllowanceforCreditLossesChangesinAllowanceforCreditLossesRelatedtoLoansDetails" roleURI="http://www.northerntrust.com/role/AllowanceforCreditLossesChangesinAllowanceforCreditLossesRelatedtoLoansDetails"> |
| <link:definition> 9954524 - Disclosure - Allowance for Credit Losses (Changes in Allowance for Credit Losses Related to Loans) (Details) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="AllowanceforCreditLossesRecordedInvestmentsinLoansDetails" roleURI="http://www.northerntrust.com/role/AllowanceforCreditLossesRecordedInvestmentsinLoansDetails"> |
| <link:definition> 9954525 - Disclosure - Allowance for Credit Losses (Recorded Investments in Loans) (Details) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="AllowanceforCreditLossesChangesinTheAllowanceforCreditLossesRelatedtoDebtSecuritiesHeldtoMaturityDetails" roleURI="http://www.northerntrust.com/role/AllowanceforCreditLossesChangesinTheAllowanceforCreditLossesRelatedtoDebtSecuritiesHeldtoMaturityDetails"> |
| <link:definition> 9954526 - Disclosure - Allowance for Credit Losses (Changes in The Allowance for Credit Losses Related to Debt Securities Held to Maturity) (Details) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="AllowanceforCreditLossesAccruedInterestDetails" roleURI="http://www.northerntrust.com/role/AllowanceforCreditLossesAccruedInterestDetails"> |
| <link:definition> 9954527 - Disclosure - Allowance for Credit Losses (Accrued Interest) (Details) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="ConcentrationsofCreditRiskNarrativeDetail" roleURI="http://www.northerntrust.com/role/ConcentrationsofCreditRiskNarrativeDetail"> |
| <link:definition> 9954528 - Disclosure - Concentrations of Credit Risk - Narrative (Detail) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="ConcentrationsofCreditRiskDetails" roleURI="http://www.northerntrust.com/role/ConcentrationsofCreditRiskDetails"> |
| <link:definition> 9954529 - Disclosure - Concentrations of Credit Risk (Details) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="ConcentrationsofCreditRiskCommercialRealEstateLoansDetail" roleURI="http://www.northerntrust.com/role/ConcentrationsofCreditRiskCommercialRealEstateLoansDetail"> |
| <link:definition> 9954530 - Disclosure - Concentrations of Credit Risk - Commercial Real Estate Loans (Detail) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="BuildingsandEquipmentDetail" roleURI="http://www.northerntrust.com/role/BuildingsandEquipmentDetail"> |
| <link:definition> 9954531 - Disclosure - Buildings and Equipment (Detail) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="BuildingsandEquipmentNarrativeDetail" roleURI="http://www.northerntrust.com/role/BuildingsandEquipmentNarrativeDetail"> |
| <link:definition> 9954532 - Disclosure - Buildings and Equipment - Narrative (Detail) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="LeaseCommitmentsLeaseCostComponentsDetail" roleURI="http://www.northerntrust.com/role/LeaseCommitmentsLeaseCostComponentsDetail"> |
| <link:definition> 9954533 - Disclosure - Lease Commitments - Lease Cost Components (Detail) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="LeaseCommitmentsMaturityofLeaseLiabilityDetail" roleURI="http://www.northerntrust.com/role/LeaseCommitmentsMaturityofLeaseLiabilityDetail"> |
| <link:definition> 9954534 - Disclosure - Lease Commitments - Maturity of Lease Liability (Detail) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="LeaseCommitmentsMaturityofLeaseLiabilityDetail_1" roleURI="http://www.northerntrust.com/role/LeaseCommitmentsMaturityofLeaseLiabilityDetail_1"> |
| <link:definition> 9954534 - Disclosure - Lease Commitments - Maturity of Lease Liability (Detail) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="LeaseCommitmentsNarrativeDetail" roleURI="http://www.northerntrust.com/role/LeaseCommitmentsNarrativeDetail"> |
| <link:definition> 9954535 - Disclosure - Lease Commitments - Narrative (Detail) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="LeaseCommitmentsAssetsandLiabilitiesDetail" roleURI="http://www.northerntrust.com/role/LeaseCommitmentsAssetsandLiabilitiesDetail"> |
| <link:definition> 9954536 - Disclosure - Lease Commitments - Assets and Liabilities (Detail) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="LeaseCommitmentsWeightedAverageRemainingLeaseTermandDiscountRateDetail" roleURI="http://www.northerntrust.com/role/LeaseCommitmentsWeightedAverageRemainingLeaseTermandDiscountRateDetail"> |
| <link:definition> 9954537 - Disclosure - Lease Commitments - Weighted-Average Remaining Lease Term and Discount Rate (Detail) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="LeaseCommitmentsSupplementalCashFlowInformationDetail" roleURI="http://www.northerntrust.com/role/LeaseCommitmentsSupplementalCashFlowInformationDetail"> |
| <link:definition> 9954538 - Disclosure - Lease Commitments - Supplemental Cash Flow Information (Detail) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="GoodwillandOtherIntangiblesGoodwillDetail" roleURI="http://www.northerntrust.com/role/GoodwillandOtherIntangiblesGoodwillDetail"> |
| <link:definition> 9954539 - Disclosure - Goodwill and Other Intangibles - Goodwill (Detail) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="GoodwillandOtherIntangiblesOtherIntangibleAssetsandCapitalizedSoftwareDetail" roleURI="http://www.northerntrust.com/role/GoodwillandOtherIntangiblesOtherIntangibleAssetsandCapitalizedSoftwareDetail"> |
| <link:definition> 9954540 - Disclosure - Goodwill and Other Intangibles - Other Intangible Assets and Capitalized Software (Detail) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="GoodwillandOtherIntangiblesNarrativeDetail" roleURI="http://www.northerntrust.com/role/GoodwillandOtherIntangiblesNarrativeDetail"> |
| <link:definition> 9954541 - Disclosure - Goodwill and Other Intangibles - Narrative (Detail) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="DepositsScheduledMaturityofTotalTimeDepositsDetails" roleURI="http://www.northerntrust.com/role/DepositsScheduledMaturityofTotalTimeDepositsDetails"> |
| <link:definition> 9954542 - Disclosure - Deposits - Scheduled Maturity of Total Time Deposits (Details) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="DepositsNarrativeDetails" roleURI="http://www.northerntrust.com/role/DepositsNarrativeDetails"> |
| <link:definition> 9954543 - Disclosure - Deposits - Narrative (Details) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="SeniorNotesandLongTermDebtSeniorNotesDetail" roleURI="http://www.northerntrust.com/role/SeniorNotesandLongTermDebtSeniorNotesDetail"> |
| <link:definition> 9954544 - Disclosure - Senior Notes and Long-Term Debt - Senior Notes (Detail) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="SeniorNotesandLongTermDebtLongTermDebtDetail" roleURI="http://www.northerntrust.com/role/SeniorNotesandLongTermDebtLongTermDebtDetail"> |
| <link:definition> 9954545 - Disclosure - Senior Notes and Long-Term Debt - Long-Term Debt (Detail) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="StockholdersEquityNarrativeDetail" roleURI="http://www.northerntrust.com/role/StockholdersEquityNarrativeDetail"> |
| <link:definition> 9954546 - Disclosure - Stockholders' Equity - Narrative (Detail) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="StockholdersEquitySharesofCommonStockDetail" roleURI="http://www.northerntrust.com/role/StockholdersEquitySharesofCommonStockDetail"> |
| <link:definition> 9954547 - Disclosure - Stockholders' Equity - Shares of Common Stock (Detail) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="AccumulatedOtherComprehensiveIncomeLossSummaryofChangesinAccumulatedOtherComprehensiveIncomeLossDetail" roleURI="http://www.northerntrust.com/role/AccumulatedOtherComprehensiveIncomeLossSummaryofChangesinAccumulatedOtherComprehensiveIncomeLossDetail"> |
| <link:definition> 9954548 - Disclosure - Accumulated Other Comprehensive Income (Loss) - Summary of Changes in Accumulated Other Comprehensive Income (Loss) (Detail) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="AccumulatedOtherComprehensiveIncomeLossDetailsofChangesinAccumulatedOtherComprehensiveIncomeLossDetail" roleURI="http://www.northerntrust.com/role/AccumulatedOtherComprehensiveIncomeLossDetailsofChangesinAccumulatedOtherComprehensiveIncomeLossDetail"> |
| <link:definition> 9954549 - Disclosure - Accumulated Other Comprehensive Income (Loss) - Details of Changes in Accumulated Other Comprehensive Income (Loss) (Detail) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="AccumulatedOtherComprehensiveIncomeLossDetailsofChangesinAccumulatedOtherComprehensiveIncomeLossDetail_1" roleURI="http://www.northerntrust.com/role/AccumulatedOtherComprehensiveIncomeLossDetailsofChangesinAccumulatedOtherComprehensiveIncomeLossDetail_1"> |
| <link:definition> 9954549 - Disclosure - Accumulated Other Comprehensive Income (Loss) - Details of Changes in Accumulated Other Comprehensive Income (Loss) (Detail) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="NetIncomeperCommonShareNetIncomePerCommonShareDetail" roleURI="http://www.northerntrust.com/role/NetIncomeperCommonShareNetIncomePerCommonShareDetail"> |
| <link:definition> 9954550 - Disclosure - Net Income per Common Share - Net Income Per Common Share (Detail) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="RevenuefromContractswithClientsRevenueDisaggregatedbyMajorSourceDetails" roleURI="http://www.northerntrust.com/role/RevenuefromContractswithClientsRevenueDisaggregatedbyMajorSourceDetails"> |
| <link:definition> 9954551 - Disclosure - Revenue from Contracts with Clients (Revenue Disaggregated by Major Source) (Details) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="RevenuefromContractswithClientsNarrativeDetails" roleURI="http://www.northerntrust.com/role/RevenuefromContractswithClientsNarrativeDetails"> |
| <link:definition> 9954552 - Disclosure - Revenue from Contracts with Clients (Narrative) (Details) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="RevenuefromContractswithClientsClientReceivablesDetails" roleURI="http://www.northerntrust.com/role/RevenuefromContractswithClientsClientReceivablesDetails"> |
| <link:definition> 9954553 - Disclosure - Revenue from Contracts with Clients (Client Receivables) (Details) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="NetInterestIncomeNetInterestIncomeDetails" roleURI="http://www.northerntrust.com/role/NetInterestIncomeNetInterestIncomeDetails"> |
| <link:definition> 9954554 - Disclosure - Net Interest Income (Net Interest Income) (Details) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="OtherOperatingIncomeDetail" roleURI="http://www.northerntrust.com/role/OtherOperatingIncomeDetail"> |
| <link:definition> 9954555 - Disclosure - Other Operating Income - (Detail) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="OtherOperatingExpenseDetails" roleURI="http://www.northerntrust.com/role/OtherOperatingExpenseDetails"> |
| <link:definition> 9954556 - Disclosure - Other Operating Expense (Details) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="IncomeTaxesIncomeTaxesDetail" roleURI="http://www.northerntrust.com/role/IncomeTaxesIncomeTaxesDetail"> |
| <link:definition> 9954557 - Disclosure - Income Taxes - Income Taxes (Detail) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="IncomeTaxesNarrativeDetail" roleURI="http://www.northerntrust.com/role/IncomeTaxesNarrativeDetail"> |
| <link:definition> 9954558 - Disclosure - Income Taxes - Narrative (Detail) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="IncomeTaxesUnrecognizedTaxBenefitsDetail" roleURI="http://www.northerntrust.com/role/IncomeTaxesUnrecognizedTaxBenefitsDetail"> |
| <link:definition> 9954559 - Disclosure - Income Taxes - Unrecognized Tax Benefits (Detail) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="IncomeTaxesProvisionforIncomeTaxesDetail" roleURI="http://www.northerntrust.com/role/IncomeTaxesProvisionforIncomeTaxesDetail"> |
| <link:definition> 9954560 - Disclosure - Income Taxes - Provision for Income Taxes (Detail) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="IncomeTaxesTaxChargesandBenefitsRecordedDirectlytoStockholdersEquityDetail" roleURI="http://www.northerntrust.com/role/IncomeTaxesTaxChargesandBenefitsRecordedDirectlytoStockholdersEquityDetail"> |
| <link:definition> 9954561 - Disclosure - Income Taxes - Tax Charges and Benefits Recorded Directly to Stockholders' Equity (Detail) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="IncomeTaxesDeferredTaxAssetsandLiabilitiesDetail" roleURI="http://www.northerntrust.com/role/IncomeTaxesDeferredTaxAssetsandLiabilitiesDetail"> |
| <link:definition> 9954562 - Disclosure - Income Taxes - Deferred Tax Assets and Liabilities (Detail) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="EmployeeBenefitsNarrativeDetail" roleURI="http://www.northerntrust.com/role/EmployeeBenefitsNarrativeDetail"> |
| <link:definition> 9954563 - Disclosure - Employee Benefits - Narrative (Detail) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="EmployeeBenefitsEmployeeBenefitPlanStatusDetail" roleURI="http://www.northerntrust.com/role/EmployeeBenefitsEmployeeBenefitPlanStatusDetail"> |
| <link:definition> 9954564 - Disclosure - Employee Benefits - Employee Benefit Plan Status (Detail) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="EmployeeBenefitsAmountsIncludedinAccumulatedOtherComprehensiveIncomeDetail" roleURI="http://www.northerntrust.com/role/EmployeeBenefitsAmountsIncludedinAccumulatedOtherComprehensiveIncomeDetail"> |
| <link:definition> 9954565 - Disclosure - Employee Benefits - Amounts Included in Accumulated Other Comprehensive Income (Detail) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="EmployeeBenefitsNetPeriodicPensionExpenseDetail" roleURI="http://www.northerntrust.com/role/EmployeeBenefitsNetPeriodicPensionExpenseDetail"> |
| <link:definition> 9954566 - Disclosure - Employee Benefits - Net Periodic Pension Expense (Detail) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="EmployeeBenefitsChangeinProjectedBenefitObligationDetail" roleURI="http://www.northerntrust.com/role/EmployeeBenefitsChangeinProjectedBenefitObligationDetail"> |
| <link:definition> 9954567 - Disclosure - Employee Benefits - Change in Projected Benefit Obligation (Detail) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="EmployeeBenefitsEstimatedFutureBenefitPaymentsDetail" roleURI="http://www.northerntrust.com/role/EmployeeBenefitsEstimatedFutureBenefitPaymentsDetail"> |
| <link:definition> 9954568 - Disclosure - Employee Benefits - Estimated Future Benefit Payments (Detail) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="EmployeeBenefitsChangeInPlanAssetsDetail" roleURI="http://www.northerntrust.com/role/EmployeeBenefitsChangeInPlanAssetsDetail"> |
| <link:definition> 9954569 - Disclosure - Employee Benefits - Change In Plan Assets (Detail) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="EmployeeBenefitsFairValueofUSPensionPlanAssetsDetail" roleURI="http://www.northerntrust.com/role/EmployeeBenefitsFairValueofUSPensionPlanAssetsDetail"> |
| <link:definition> 9954570 - Disclosure - Employee Benefits - Fair Value of U.S. Pension Plan Assets (Detail) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="ShareBasedCompensationPlansTotalCompensationExpenseforShareBasedPaymentArrangementstoEmployeesDetail" roleURI="http://www.northerntrust.com/role/ShareBasedCompensationPlansTotalCompensationExpenseforShareBasedPaymentArrangementstoEmployeesDetail"> |
| <link:definition> 9954571 - Disclosure - Share-Based Compensation Plans - Total Compensation Expense for Share-Based Payment Arrangements to Employees (Detail) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="ShareBasedCompensationPlansNarrativeDetail" roleURI="http://www.northerntrust.com/role/ShareBasedCompensationPlansNarrativeDetail"> |
| <link:definition> 9954572 - Disclosure - Share-Based Compensation Plans - Narrative (Detail) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="ShareBasedCompensationPlansStockOptionsGrantedVestedandExercisedDetail" roleURI="http://www.northerntrust.com/role/ShareBasedCompensationPlansStockOptionsGrantedVestedandExercisedDetail"> |
| <link:definition> 9954573 - Disclosure - Share-Based Compensation Plans - Stock Options Granted, Vested, and Exercised (Detail) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="ShareBasedCompensationPlansStatusofStockOptionsandChangesDetail" roleURI="http://www.northerntrust.com/role/ShareBasedCompensationPlansStatusofStockOptionsandChangesDetail"> |
| <link:definition> 9954574 - Disclosure - Share-Based Compensation Plans - Status of Stock Options and Changes (Detail) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="ShareBasedCompensationPlansOutstandingRestrictedStockUnitAwardsDetail" roleURI="http://www.northerntrust.com/role/ShareBasedCompensationPlansOutstandingRestrictedStockUnitAwardsDetail"> |
| <link:definition> 9954575 - Disclosure - Share-Based Compensation Plans - Outstanding Restricted Stock Unit Awards (Detail) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="ShareBasedCompensationPlansNonvestedRestrictedStockUnitAwardsDetail" roleURI="http://www.northerntrust.com/role/ShareBasedCompensationPlansNonvestedRestrictedStockUnitAwardsDetail"> |
| <link:definition> 9954576 - Disclosure - Share-Based Compensation Plans - Nonvested Restricted Stock Unit Awards (Detail) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="CashBasedCompensationPlansNarrativeDetail" roleURI="http://www.northerntrust.com/role/CashBasedCompensationPlansNarrativeDetail"> |
| <link:definition> 9954577 - Disclosure - Cash-Based Compensation Plans - Narrative (Detail) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="CommitmentsandContingentLiabilitiesSummaryofOffBalanceSheetFinancialInstrumentsDetails" roleURI="http://www.northerntrust.com/role/CommitmentsandContingentLiabilitiesSummaryofOffBalanceSheetFinancialInstrumentsDetails"> |
| <link:definition> 9954578 - Disclosure - Commitments and Contingent Liabilities - Summary of Off-Balance Sheet Financial Instruments (Details) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="CommitmentsandContingentLiabilitiesNarrativeDetail" roleURI="http://www.northerntrust.com/role/CommitmentsandContingentLiabilitiesNarrativeDetail"> |
| <link:definition> 9954579 - Disclosure - Commitments and Contingent Liabilities - Narrative (Detail) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="DerivativeFinancialInstrumentsNotionalandFairValueAmountsofDerivativeFinancialInstrumentsDetail" roleURI="http://www.northerntrust.com/role/DerivativeFinancialInstrumentsNotionalandFairValueAmountsofDerivativeFinancialInstrumentsDetail"> |
| <link:definition> 9954580 - Disclosure - Derivative Financial Instruments - Notional and Fair Value Amounts of Derivative Financial Instruments (Detail) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="DerivativeFinancialInstrumentsNarrativeDetail" roleURI="http://www.northerntrust.com/role/DerivativeFinancialInstrumentsNarrativeDetail"> |
| <link:definition> 9954581 - Disclosure - Derivative Financial Instruments - Narrative (Detail) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="DerivativeFinancialInstrumentsLocationandAmountofFairValueHedgeDerivativeGainsandLossesRecordedinIncomeDetail" roleURI="http://www.northerntrust.com/role/DerivativeFinancialInstrumentsLocationandAmountofFairValueHedgeDerivativeGainsandLossesRecordedinIncomeDetail"> |
| <link:definition> 9954582 - Disclosure - Derivative Financial Instruments - Location and Amount of Fair Value Hedge Derivative Gains and Losses Recorded in Income (Detail) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="DerivativeFinancialInstrumentsHedgedItemsinFairValueDetail" roleURI="http://www.northerntrust.com/role/DerivativeFinancialInstrumentsHedgedItemsinFairValueDetail"> |
| <link:definition> 9954583 - Disclosure - Derivative Financial Instruments - Hedged Items in Fair Value (Detail) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="DerivativeFinancialInstrumentsLocationandAmountofGainsandLossesRecordedinIncomeforDerivativesnotDesignatedasHedgingUnderGAAPDetail" roleURI="http://www.northerntrust.com/role/DerivativeFinancialInstrumentsLocationandAmountofGainsandLossesRecordedinIncomeforDerivativesnotDesignatedasHedgingUnderGAAPDetail"> |
| <link:definition> 9954584 - Disclosure - Derivative Financial Instruments - Location and Amount of Gains and Losses Recorded in Income for Derivatives not Designated as Hedging Under GAAP (Detail) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="SecuritiesPurchasedUnderAgreementstoResellandSecuritiesSoldUnderAgreementstoRepurchaseSecuritiesPurchasedunderAgreementstoResellDetail" roleURI="http://www.northerntrust.com/role/SecuritiesPurchasedUnderAgreementstoResellandSecuritiesSoldUnderAgreementstoRepurchaseSecuritiesPurchasedunderAgreementstoResellDetail"> |
| <link:definition> 9954585 - Disclosure - Securities Purchased Under Agreements to Resell and Securities Sold Under Agreements to Repurchase - Securities Purchased under Agreements to Resell (Detail) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="SecuritiesPurchasedUnderAgreementstoResellandSecuritiesSoldUnderAgreementstoRepurchaseSecuritiesSoldunderAgreementstoRepurchaseDetail" roleURI="http://www.northerntrust.com/role/SecuritiesPurchasedUnderAgreementstoResellandSecuritiesSoldUnderAgreementstoRepurchaseSecuritiesSoldunderAgreementstoRepurchaseDetail"> |
| <link:definition> 9954586 - Disclosure - Securities Purchased Under Agreements to Resell and Securities Sold Under Agreements to Repurchase - Securities Sold under Agreements to Repurchase (Detail) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="SecuritiesPurchasedUnderAgreementstoResellandSecuritiesSoldUnderAgreementstoRepurchaseRepurchaseAgreementsAccountedforasSecuredBorrowingsDetails" roleURI="http://www.northerntrust.com/role/SecuritiesPurchasedUnderAgreementstoResellandSecuritiesSoldUnderAgreementstoRepurchaseRepurchaseAgreementsAccountedforasSecuredBorrowingsDetails"> |
| <link:definition> 9954587 - Disclosure - Securities Purchased Under Agreements to Resell and Securities Sold Under Agreements to Repurchase - Repurchase Agreements Accounted for as Secured Borrowings (Details) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="OffsettingofAssetsandLiabilitiesOffsettingofDerivativeAssetsandSecuritiesPurchasedUnderAgreementstoResellDetail" roleURI="http://www.northerntrust.com/role/OffsettingofAssetsandLiabilitiesOffsettingofDerivativeAssetsandSecuritiesPurchasedUnderAgreementstoResellDetail"> |
| <link:definition> 9954588 - Disclosure - Offsetting of Assets and Liabilities - Offsetting of Derivative Assets and Securities Purchased Under Agreements to Resell (Detail) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="OffsettingofAssetsandLiabilitiesOffsettingofDerivativeLiabilitiesandSecuritiesSoldUnderAgreementstoRepurchaseDetails" roleURI="http://www.northerntrust.com/role/OffsettingofAssetsandLiabilitiesOffsettingofDerivativeLiabilitiesandSecuritiesSoldUnderAgreementstoRepurchaseDetails"> |
| <link:definition> 9954589 - Disclosure - Offsetting of Assets and Liabilities - Offsetting of Derivative Liabilities and Securities Sold Under Agreements to Repurchase (Details) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="OffsettingofAssetsandLiabilitiesNarrativeDetails" roleURI="http://www.northerntrust.com/role/OffsettingofAssetsandLiabilitiesNarrativeDetails"> |
| <link:definition> 9954590 - Disclosure - Offsetting of Assets and Liabilities - Narrative (Details) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="VariableInterestEntitiesNarrativeDetail" roleURI="http://www.northerntrust.com/role/VariableInterestEntitiesNarrativeDetail"> |
| <link:definition> 9954591 - Disclosure - Variable Interest Entities - Narrative (Detail) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="VariableInterestEntitiesSummaryDetails" roleURI="http://www.northerntrust.com/role/VariableInterestEntitiesSummaryDetails"> |
| <link:definition> 9954592 - Disclosure - Variable Interest Entities (Summary) (Details) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="PledgedAssetsAcceptedCollateralandRestrictedAssetsNarrativeDetail" roleURI="http://www.northerntrust.com/role/PledgedAssetsAcceptedCollateralandRestrictedAssetsNarrativeDetail"> |
| <link:definition> 9954593 - Disclosure - Pledged Assets, Accepted Collateral and Restricted Assets - Narrative (Detail) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="PledgedAssetsAcceptedCollateralandRestrictedAssetsTypeofPledgedAssetsDetails" roleURI="http://www.northerntrust.com/role/PledgedAssetsAcceptedCollateralandRestrictedAssetsTypeofPledgedAssetsDetails"> |
| <link:definition> 9954594 - Disclosure - Pledged Assets, Accepted Collateral and Restricted Assets (Type of Pledged Assets) (Details) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="PledgedAssetsAcceptedCollateralandRestrictedAssetsAcceptedCollateralDetails" roleURI="http://www.northerntrust.com/role/PledgedAssetsAcceptedCollateralandRestrictedAssetsAcceptedCollateralDetails"> |
| <link:definition> 9954595 - Disclosure - Pledged Assets, Accepted Collateral and Restricted Assets - Accepted Collateral (Details) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="RestrictionsonSubsidiaryDividendsandLoansorAdvancesDetails" roleURI="http://www.northerntrust.com/role/RestrictionsonSubsidiaryDividendsandLoansorAdvancesDetails"> |
| <link:definition> 9954596 - Disclosure - Restrictions on Subsidiary Dividends and Loans or Advances (Details) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="ReportingSegmentsandRelatedInformationNarrativeDetail" roleURI="http://www.northerntrust.com/role/ReportingSegmentsandRelatedInformationNarrativeDetail"> |
| <link:definition> 9954597 - Disclosure - Reporting Segments and Related Information - Narrative (Detail) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="ReportingSegmentsandRelatedInformationEarningsContributionofNorthernTrustsReportingSegmentsDetail" roleURI="http://www.northerntrust.com/role/ReportingSegmentsandRelatedInformationEarningsContributionofNorthernTrustsReportingSegmentsDetail"> |
| <link:definition> 9954598 - Disclosure - Reporting Segments and Related Information - Earnings Contribution of Northern Trust's Reporting Segments (Detail) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="ReportingSegmentsandRelatedInformationDistributionofTotalAssetsandOperatingPerformanceDetail" roleURI="http://www.northerntrust.com/role/ReportingSegmentsandRelatedInformationDistributionofTotalAssetsandOperatingPerformanceDetail"> |
| <link:definition> 9954599 - Disclosure - Reporting Segments and Related Information - Distribution of Total Assets and Operating Performance (Detail) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="RegulatoryCapitalRequirementsRiskBasedCapitalAmountsandRatiosDetail" roleURI="http://www.northerntrust.com/role/RegulatoryCapitalRequirementsRiskBasedCapitalAmountsandRatiosDetail"> |
| <link:definition> 9954600 - Disclosure - Regulatory Capital Requirements - Risk-Based Capital Amounts and Ratios (Detail) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="NorthernTrustCorporationCorporationonlyCondensedBalanceSheetDetail" roleURI="http://www.northerntrust.com/role/NorthernTrustCorporationCorporationonlyCondensedBalanceSheetDetail"> |
| <link:definition> 9954601 - Disclosure - Northern Trust Corporation (Corporation only) - Condensed Balance Sheet (Detail) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="NorthernTrustCorporationCorporationonlyCondensedStatementofIncomeDetail" roleURI="http://www.northerntrust.com/role/NorthernTrustCorporationCorporationonlyCondensedStatementofIncomeDetail"> |
| <link:definition> 9954602 - Disclosure - Northern Trust Corporation (Corporation only) - Condensed Statement of Income (Detail) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="NorthernTrustCorporationCorporationonlyCondensedStatementofCashFlowsDetail" roleURI="http://www.northerntrust.com/role/NorthernTrustCorporationCorporationonlyCondensedStatementofCashFlowsDetail"> |
| <link:definition> 9954603 - Disclosure - Northern Trust Corporation (Corporation only) - Condensed Statement of Cash Flows (Detail) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="SubsequentEventsDetails" roleURI="http://www.northerntrust.com/role/SubsequentEventsDetails"> |
| <link:definition> 9954604 - Disclosure - Subsequent Events (Details) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | </xs:appinfo> |
| | </xs:annotation> |
| <xs:element id="ntrs_FairValueDisclosureOffBalanceSheetRisksAmountCurrentLiability" abstract="false" name="FairValueDisclosureOffBalanceSheetRisksAmountCurrentLiability" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_ShareRepurchaseProgramExciseTax" abstract="false" name="ShareRepurchaseProgramExciseTax" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_TaxCreditEntitiesDomain" abstract="true" name="TaxCreditEntitiesDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/> |
| <xs:element id="ntrs_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAggregateIntrinsicValueAbstract" abstract="true" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAggregateIntrinsicValueAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/> |
| <xs:element id="ntrs_SupplementaryLeverageCapitalAbstract" abstract="true" name="SupplementaryLeverageCapitalAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/> |
| <xs:element id="ntrs_OffBalanceSheetCreditLossLiabilityChangeinPresentValueExpenseReversal" abstract="false" name="OffBalanceSheetCreditLossLiabilityChangeinPresentValueExpenseReversal" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_PaymenttoEscrowDeposit" abstract="false" name="PaymenttoEscrowDeposit" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_SecuritiesPurchasedUnderAgreementToResellAverageBalanceDuringPeriod" abstract="false" name="SecuritiesPurchasedUnderAgreementToResellAverageBalanceDuringPeriod" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_OneToThreeInternalGradeMember" abstract="true" name="OneToThreeInternalGradeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/> |
| <xs:element id="ntrs_CorporateAndInstitutionalServiceSegmentMember" abstract="true" name="CorporateAndInstitutionalServiceSegmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/> |
| <xs:element id="ntrs_RedemptionGain" abstract="false" name="RedemptionGain" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_NetInvestmentHedgeGainLossMember" abstract="true" name="NetInvestmentHedgeGainLossMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/> |
| <xs:element id="ntrs_FederalReserveAndForeignCentralBankDeposits" abstract="false" name="FederalReserveAndForeignCentralBankDeposits" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_GuaranteesToSponsoredMemberPrograms" abstract="false" name="GuaranteesToSponsoredMemberPrograms" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_AllowanceForCreditLossExcludingAccruedInterestWriteoffRecovery" abstract="false" name="AllowanceForCreditLossExcludingAccruedInterestWriteoffRecovery" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_CustodyandFundAdministrationMember" abstract="true" name="CustodyandFundAdministrationMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/> |
| <xs:element id="ntrs_OffBalanceSheetCreditLossLiabilityIndividuallyEvaluatedForImpairment" abstract="false" name="OffBalanceSheetCreditLossLiabilityIndividuallyEvaluatedForImpairment" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_SixToNineInternalGradeMember" abstract="true" name="SixToNineInternalGradeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/> |
| <xs:element id="ntrs_DefinedBenefitPlanAmortizationAbstract" abstract="true" name="DefinedBenefitPlanAmortizationAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/> |
| <xs:element id="ntrs_InvestmentsInCommunityDevelopmentProjectsCarryingAmountAssets" abstract="false" name="InvestmentsInCommunityDevelopmentProjectsCarryingAmountAssets" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_PledgedAndRestrictedAssetsAxis" abstract="true" name="PledgedAndRestrictedAssetsAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/> |
| <xs:element id="ntrs_LoansReceivableOverdraftAdvances" abstract="false" name="LoansReceivableOverdraftAdvances" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_CashBasedCompensationPlansDisclosureTextBlock" abstract="false" name="CashBasedCompensationPlansDisclosureTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/> |
| <xs:element id="ntrs_PercentageOfOwnershipInterestPerEachDepositoryShares" abstract="false" name="PercentageOfOwnershipInterestPerEachDepositoryShares" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/> |
| <xs:element id="ntrs_CollectiveTrustFundsMember" abstract="true" name="CollectiveTrustFundsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/> |
| <xs:element id="ntrs_MoodysAndStandardPoorsAARatingMember" abstract="true" name="MoodysAndStandardPoorsAARatingMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/> |
| <xs:element id="ntrs_ContractualMaturitiesTimeDeposits250000OrMoreYearFour" abstract="false" name="ContractualMaturitiesTimeDeposits250000OrMoreYearFour" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_BankingAndThriftTimeDepositsAbstract" abstract="true" name="BankingAndThriftTimeDepositsAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/> |
| <xs:element id="ntrs_GlobalListedInfrastructureMember" abstract="true" name="GlobalListedInfrastructureMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/> |
| <xs:element id="ntrs_ScheduleOfNotionalAndFairValueOfClientRelatedAndTradingDerivativeInstrumentsTextBlock" abstract="false" name="ScheduleOfNotionalAndFairValueOfClientRelatedAndTradingDerivativeInstrumentsTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/> |
| <xs:element id="ntrs_CorporationSubordinatedNotes395PercentDueOctober2025Member" abstract="true" name="CorporationSubordinatedNotes395PercentDueOctober2025Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/> |
| <xs:element id="ntrs_MeasurementInputConversionRateMember" abstract="true" name="MeasurementInputConversionRateMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/> |
| <xs:element id="ntrs_VisaClassBMember" abstract="true" name="VisaClassBMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/> |
| <xs:element id="ntrs_MoodysAndStandardPoorsNotRatedMember" abstract="true" name="MoodysAndStandardPoorsNotRatedMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/> |
| <xs:element id="ntrs_FederalHomeLoanBank5.13PercentDueMarch2026Member" abstract="true" name="FederalHomeLoanBank5.13PercentDueMarch2026Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/> |
| <xs:element id="ntrs_LongCreditBondsMember" abstract="true" name="LongCreditBondsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/> |
| <xs:element id="ntrs_RevenueIncludingFullyTaxableEquivalentAdjustment" abstract="false" name="RevenueIncludingFullyTaxableEquivalentAdjustment" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_DebtSecuritiesAccruedInterestAfterAllowanceForCreditLossAbstract" abstract="true" name="DebtSecuritiesAccruedInterestAfterAllowanceForCreditLossAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/> |
| <xs:element id="ntrs_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsConvertibleNumber" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsConvertibleNumber" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/> |
| <xs:element id="ntrs_ContractualMaturitiesTimeDeposits250000OrMoreYearThree" abstract="false" name="ContractualMaturitiesTimeDeposits250000OrMoreYearThree" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_FixedRateCorporateSeniorNotes365PercentDueAugust2028Member" abstract="true" name="FixedRateCorporateSeniorNotes365PercentDueAugust2028Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/> |
| <xs:element id="ntrs_StandbyLetterOfCreditAndFinancialGuaranteeMember" abstract="true" name="StandbyLetterOfCreditAndFinancialGuaranteeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/> |
| <xs:element id="ntrs_PeriodDomain" abstract="true" name="PeriodDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/> |
| <xs:element id="ntrs_OverdrawnDemandDepositAccounts" abstract="false" name="OverdrawnDemandDepositAccounts" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_NoninterestExpenseOther" abstract="false" name="NoninterestExpenseOther" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_FinancingReceivableGrossCarryingAmountAbstractAbstract" abstract="true" name="FinancingReceivableGrossCarryingAmountAbstractAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/> |
| <xs:element id="ntrs_DomesticMunicipalandProvincialBondsMember" abstract="true" name="DomesticMunicipalandProvincialBondsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/> |
| <xs:element id="ntrs_FederalDepositInsuranceCorporationPremiumExpenseSpecialAssessment" abstract="false" name="FederalDepositInsuranceCorporationPremiumExpenseSpecialAssessment" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedandUnvestedForfeitedInPeriod" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedandUnvestedForfeitedInPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/> |
| <xs:element id="ntrs_PledgedAndRestrictedAssetsDomain" abstract="true" name="PledgedAndRestrictedAssetsDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/> |
| <xs:element id="ntrs_EquityInUndistributedEarningsLossesOfSubsidiaries" abstract="false" name="EquityInUndistributedEarningsLossesOfSubsidiaries" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_SeniorNotesOutstandingTextBlock" abstract="false" name="SeniorNotesOutstandingTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/> |
| <xs:element id="ntrs_LoansReceivableHeldToMaturity" abstract="false" name="LoansReceivableHeldToMaturity" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_TaxCreditEntitiesAxis" abstract="true" name="TaxCreditEntitiesAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/> |
| <xs:element id="ntrs_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsWeightedAverageRemainingVestingTerm" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsWeightedAverageRemainingVestingTerm" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/> |
| <xs:element id="ntrs_OtherFinancialAssetsAllowanceForCreditLossExcludingAccruedInterest" abstract="false" name="OtherFinancialAssetsAllowanceForCreditLossExcludingAccruedInterest" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_ComponentsOfOtherOperatingIncomeTable" abstract="true" name="ComponentsOfOtherOperatingIncomeTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/> |
| <xs:element id="ntrs_AffordableHousingTaxCreditsAndOtherTaxBenefits" abstract="false" name="AffordableHousingTaxCreditsAndOtherTaxBenefits" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_PotentialExchangeOfferProgramExchangeRatio" abstract="false" name="PotentialExchangeOfferProgramExchangeRatio" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/> |
| <xs:element id="ntrs_PeriodAxis" abstract="true" name="PeriodAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/> |
| <xs:element id="ntrs_PrivateClientMember" abstract="true" name="PrivateClientMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/> |
| <xs:element id="ntrs_NatureOfOperationsPolicyTextBlock" abstract="false" name="NatureOfOperationsPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/> |
| <xs:element id="ntrs_NumberOfInvestmentsHeldInDiversifiedPortfolios" abstract="false" name="NumberOfInvestmentsHeldInDiversifiedPortfolios" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/> |
| <xs:element id="ntrs_OtherOperatingIncomeTableTextBlock" abstract="false" name="OtherOperatingIncomeTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/> |
| <xs:element id="ntrs_CorporationSubordinatedNotes375PercentDueMay2032Member" abstract="true" name="CorporationSubordinatedNotes375PercentDueMay2032Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/> |
| <xs:element id="ntrs_DebtSecuritiesAvailableforsaleUnrealizedLossPositionAccumulatedLossAbstract" abstract="true" name="DebtSecuritiesAvailableforsaleUnrealizedLossPositionAccumulatedLossAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/> |
| <xs:element id="ntrs_CreditRatingMoodysAndStandardPoorsAxis" abstract="true" name="CreditRatingMoodysAndStandardPoorsAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/> |
| <xs:element id="ntrs_CommonStockSharesHeld" abstract="false" name="CommonStockSharesHeld" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/> |
| <xs:element id="ntrs_LiabilitiesLeasseeAbstract" abstract="true" name="LiabilitiesLeasseeAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/> |
| <xs:element id="ntrs_SupplementaryLeverageCapitalRequiredtobeWellCapitalized" abstract="false" name="SupplementaryLeverageCapitalRequiredtobeWellCapitalized" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_AmortizationPeriodForPriorServiceCosts" abstract="false" name="AmortizationPeriodForPriorServiceCosts" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/> |
| <xs:element id="ntrs_ScheduleOfPensionExpectedFutureBenefitPaymentsLineItems" abstract="true" name="ScheduleOfPensionExpectedFutureBenefitPaymentsLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/> |
| <xs:element id="ntrs_SecuritiesPurchasedUnderAgreementToResellAverageInterestRateEarnedDuringPeriod" abstract="false" name="SecuritiesPurchasedUnderAgreementToResellAverageInterestRateEarnedDuringPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/> |
| <xs:element id="ntrs_TrustInvestmentAndOtherServicingFeesPolicyTextBlock" abstract="false" name="TrustInvestmentAndOtherServicingFeesPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/> |
| <xs:element id="ntrs_TreasuryStockShareBasedCompensationSharesAcquired" abstract="false" name="TreasuryStockShareBasedCompensationSharesAcquired" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/> |
| <xs:element id="ntrs_NetIncomeLossMember" abstract="true" name="NetIncomeLossMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/> |
| <xs:element id="ntrs_SecuritiesCommissionandTradingMember" abstract="true" name="SecuritiesCommissionandTradingMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/> |
| <xs:element id="ntrs_DebtSecuritiesHeldToMaturityExcludingAccruedInterestWriteOffRecovery" abstract="false" name="DebtSecuritiesHeldToMaturityExcludingAccruedInterestWriteOffRecovery" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_InterestIncomeFederalReserveDepositsAndOther" abstract="false" name="InterestIncomeFederalReserveDepositsAndOther" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsDistributedInPeriod" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsDistributedInPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/> |
| <xs:element id="ntrs_PaymentDeferralAndExtendedMaturityMember" abstract="true" name="PaymentDeferralAndExtendedMaturityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/> |
| <xs:element id="ntrs_OffBalanceSheetCreditLossLiabilityRecovery" abstract="false" name="OffBalanceSheetCreditLossLiabilityRecovery" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_OtherFinancialAssetsRollForward" abstract="true" name="OtherFinancialAssetsRollForward" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/> |
| <xs:element id="ntrs_SecuritiesSoldUnderAgreementsToRepurchaseAverageBalanceDuringPeriod" abstract="false" name="SecuritiesSoldUnderAgreementsToRepurchaseAverageBalanceDuringPeriod" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_PaymentsForProceedsFromFederalReserveAndForeignCentralBankDeposits" abstract="false" name="PaymentsForProceedsFromFederalReserveAndForeignCentralBankDeposits" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisAssetandLiabilitiesChangeinUnrealizedGainsLossesIncludedinEarningsonInstrumentsStillHeld" abstract="false" name="FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisAssetandLiabilitiesChangeinUnrealizedGainsLossesIncludedinEarningsonInstrumentsStillHeld" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_CharitableContributionsOther" abstract="false" name="CharitableContributionsOther" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_MaturityOvernightAndContinuousMember" abstract="true" name="MaturityOvernightAndContinuousMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/> |
| <xs:element id="ntrs_TaxCreditStructuresMember" abstract="true" name="TaxCreditStructuresMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/> |
| <xs:element id="ntrs_OtherNoninterestIncomeMember" abstract="true" name="OtherNoninterestIncomeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/> |
| <xs:element id="ntrs_SupplementaryLeverageCapital" abstract="false" name="SupplementaryLeverageCapital" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_ScheduleOfSegmentReportingInformationByTotalAssetsAndOperatingPerformanceTableTextBlock" abstract="false" name="ScheduleOfSegmentReportingInformationByTotalAssetsAndOperatingPerformanceTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/> |
| <xs:element id="ntrs_ComponentsOfOtherOperatingIncomeLineItems" abstract="true" name="ComponentsOfOtherOperatingIncomeLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/> |
| <xs:element id="ntrs_ForeignCurrencyDenominateMember" abstract="true" name="ForeignCurrencyDenominateMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/> |
| <xs:element id="ntrs_LoansReceivableCommercialRealEstateCommercialMortgageRetail" abstract="false" name="LoansReceivableCommercialRealEstateCommercialMortgageRetail" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_DepositorySharesLiquidationPreference" abstract="false" name="DepositorySharesLiquidationPreference" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:perShareItemType"/> |
| <xs:element id="ntrs_LoansReceivableCommercialRealEstateCommercialMortgageIndustrialAndWarehouse" abstract="false" name="LoansReceivableCommercialRealEstateCommercialMortgageIndustrialAndWarehouse" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_LongTermDebtQualifyingAsRiskBasedCapital" abstract="false" name="LongTermDebtQualifyingAsRiskBasedCapital" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_OtherAssetBackedSecuritiesMember" abstract="true" name="OtherAssetBackedSecuritiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/> |
| <xs:element id="ntrs_CreditRiskToBanks" abstract="false" name="CreditRiskToBanks" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_IntercompanyInterestAndFees" abstract="false" name="IntercompanyInterestAndFees" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_ForeignConsumerLoansMember" abstract="true" name="ForeignConsumerLoansMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/> |
| <xs:element id="ntrs_PeriodOneMember" abstract="true" name="PeriodOneMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/> |
| <xs:element id="ntrs_HedgedAssetLiabilityFairValueHedgeDiscontinuedCumulativeIncreaseDecreaseNet" abstract="false" name="HedgedAssetLiabilityFairValueHedgeDiscontinuedCumulativeIncreaseDecreaseNet" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_LoansReceivableCommercialRealEstateCommercialMortgageOther" abstract="false" name="LoansReceivableCommercialRealEstateCommercialMortgageOther" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_OCIbeforeReclassificationsTaxAttributabletoParent" abstract="false" name="OCIbeforeReclassificationsTaxAttributabletoParent" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_ForeignCommercialLoansMember" abstract="true" name="ForeignCommercialLoansMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/> |
| <xs:element id="ntrs_CreditLossLiability" abstract="false" name="CreditLossLiability" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_StockIncentivePlan2017Member" abstract="true" name="StockIncentivePlan2017Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/> |
| <xs:element id="ntrs_GlobalEquitiesMember" abstract="true" name="GlobalEquitiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/> |
| <xs:element id="ntrs_EquipmentAndSoftwareExpense" abstract="false" name="EquipmentAndSoftwareExpense" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_SecuritiesPurchasedUnderAgreementToResellMaximumMonthEndBalanceDuringPeriod" abstract="false" name="SecuritiesPurchasedUnderAgreementToResellMaximumMonthEndBalanceDuringPeriod" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_PercentageofTotalEquityCreditLines" abstract="false" name="PercentageofTotalEquityCreditLines" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/> |
| <xs:element id="ntrs_FairValueDisclosureOffBalanceSheetRisksAmountNonCurrentLiability" abstract="false" name="FairValueDisclosureOffBalanceSheetRisksAmountNonCurrentLiability" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_StockConversionPeriodAxis" abstract="true" name="StockConversionPeriodAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/> |
| <xs:element id="ntrs_SeriesEPreferredStockDepositarySharesMember" abstract="true" name="SeriesEPreferredStockDepositarySharesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/> |
| <xs:element id="ntrs_OffBalanceSheetCreditLossLiabilityCollectivelyEvaluatedForImpairment" abstract="false" name="OffBalanceSheetCreditLossLiabilityCollectivelyEvaluatedForImpairment" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_DisclosureOfSecuritiesPurchasedUnderAgreementsToResellAndDerivativeAssetsTableTextBlock" abstract="false" name="DisclosureOfSecuritiesPurchasedUnderAgreementsToResellAndDerivativeAssetsTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/> |
| <xs:element id="ntrs_InterestExpenseSeniorNotes" abstract="false" name="InterestExpenseSeniorNotes" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_MoodysAndStandardPoorsAAARatingMember" abstract="true" name="MoodysAndStandardPoorsAAARatingMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/> |
| <xs:element id="ntrs_LongtermIntraentityForeignCurrencyTransactionGainsLossesMember" abstract="true" name="LongtermIntraentityForeignCurrencyTransactionGainsLossesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/> |
| <xs:element id="ntrs_HedgedAssetFairValueHedgeDiscontinuedCumulativeIncreaseDecrease" abstract="false" name="HedgedAssetFairValueHedgeDiscontinuedCumulativeIncreaseDecrease" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_PotentialExchangeOfferProgramConversionPeriod" abstract="false" name="PotentialExchangeOfferProgramConversionPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/> |
| <xs:element id="ntrs_ContractualMaturitiesTimeDeposits250000OrMoreNextTwelveMonths" abstract="false" name="ContractualMaturitiesTimeDeposits250000OrMoreNextTwelveMonths" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_CommercialLettersOfCreditMember" abstract="true" name="CommercialLettersOfCreditMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/> |
| <xs:element id="ntrs_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsWeightedAverageRemainingContractualTermAbstract" abstract="true" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsWeightedAverageRemainingContractualTermAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/> |
| <xs:element id="ntrs_CreditRatingMoodysAndStandardPoorsDomain" abstract="true" name="CreditRatingMoodysAndStandardPoorsDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/> |
| <xs:element id="ntrs_HighYieldBondsMember" abstract="true" name="HighYieldBondsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/> |
| <xs:element id="ntrs_FinancingReceivableNonaccrualTroubledDebtRestructuring" abstract="false" name="FinancingReceivableNonaccrualTroubledDebtRestructuring" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_FourthAnniversaryOfGrantDateMember" abstract="true" name="FourthAnniversaryOfGrantDateMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/> |
| <xs:element id="ntrs_OffBalanceSheetAllowanceForCreditLossWriteoff" abstract="false" name="OffBalanceSheetAllowanceForCreditLossWriteoff" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_OtherLiabilitiesExcludingDerivativesAndNonFinancialInstruments" abstract="false" name="OtherLiabilitiesExcludingDerivativesAndNonFinancialInstruments" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_CrossProductCollateralAdjustmentMember" abstract="true" name="CrossProductCollateralAdjustmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/> |
| <xs:element id="ntrs_SubSovereignSupranationalAndNonUsAgencyBondsMember" abstract="true" name="SubSovereignSupranationalAndNonUsAgencyBondsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/> |
| <xs:element id="ntrs_InformationPertainingToStockOptionsGrantedVestedAndExercisedTableTextBlock" abstract="false" name="InformationPertainingToStockOptionsGrantedVestedAndExercisedTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/> |
| <xs:element id="ntrs_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodAbstract" abstract="true" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/> |
| <xs:element id="ntrs_OtherFinancialDerivativeMember" abstract="true" name="OtherFinancialDerivativeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/> |
| <xs:element id="ntrs_ProceedsFromSaleOfInvestmentSecurities" abstract="false" name="ProceedsFromSaleOfInvestmentSecurities" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_VisaConversionRateSwapMember" abstract="true" name="VisaConversionRateSwapMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/> |
| <xs:element id="ntrs_OtherCommunityDevelopmentMember" abstract="true" name="OtherCommunityDevelopmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/> |
| <xs:element id="ntrs_WhollyOwnedSubsidiaryMember" abstract="true" name="WhollyOwnedSubsidiaryMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/> |
| <xs:element id="ntrs_SubordinatedDebtAndLongTermFederalHomeLoanBankAdvances" abstract="false" name="SubordinatedDebtAndLongTermFederalHomeLoanBankAdvances" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsConvertibleIntrinsicValue" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsConvertibleIntrinsicValue" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_CommitmentsToExtendCredit" abstract="false" name="CommitmentsToExtendCredit" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_IncomeLossFromContinuingOperationsBeforeMinorityInterestAndIncomeLossFromEquityMethodInvestments" abstract="false" name="IncomeLossFromContinuingOperationsBeforeMinorityInterestAndIncomeLossFromEquityMethodInvestments" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_CommercialRealEstateByLoanDisclosureTableTextBlock" abstract="false" name="CommercialRealEstateByLoanDisclosureTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/> |
| <xs:element id="ntrs_SecuritiesLendingRelatedCollateralMaintenance" abstract="false" name="SecuritiesLendingRelatedCollateralMaintenance" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/> |
| <xs:element id="ntrs_TaxChargesBenefitsTableTextBlock" abstract="false" name="TaxChargesBenefitsTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/> |
| <xs:element id="ntrs_PotentialExchangeOfferProgramClaimReductionPercentage" abstract="false" name="PotentialExchangeOfferProgramClaimReductionPercentage" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/> |
| <xs:element id="ntrs_FederalHomeLoanBank5.09PercentDueJune2026Member" abstract="true" name="FederalHomeLoanBank5.09PercentDueJune2026Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/> |
| <xs:element id="ntrs_CashCollateralReceivedFromDerivativeCounterpartiesNotOffsetAgainstDerivativeAssets" abstract="false" name="CashCollateralReceivedFromDerivativeCounterpartiesNotOffsetAgainstDerivativeAssets" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_IncomeLossBeforeIncomeTaxesIncludingFullyTaxableEquivalentAdjustment" abstract="false" name="IncomeLossBeforeIncomeTaxesIncludingFullyTaxableEquivalentAdjustment" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_FederalHomeLoanBank5.13PercentDueDecember2025Member" abstract="true" name="FederalHomeLoanBank5.13PercentDueDecember2025Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/> |
| <xs:element id="ntrs_StockOptionPlansMember" abstract="true" name="StockOptionPlansMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/> |
| <xs:element id="ntrs_DeferredTaxAssetsTaxCreditCarryforwardsAndOperatingLossCarryforwards" abstract="false" name="DeferredTaxAssetsTaxCreditCarryforwardsAndOperatingLossCarryforwards" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_UsTreasuryAndAgenciesMember" abstract="true" name="UsTreasuryAndAgenciesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/> |
| <xs:element id="ntrs_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationExpectedLongTermReturnOnAssets" abstract="false" name="DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationExpectedLongTermReturnOnAssets" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/> |
| <xs:element id="ntrs_LineOfCreditDrawDownPeriod" abstract="false" name="LineOfCreditDrawDownPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/> |
| <xs:element id="ntrs_LesseeOperatingLeaseLeaseNotyetCommencedLiability" abstract="false" name="LesseeOperatingLeaseLeaseNotyetCommencedLiability" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedAndUnvestedNumber" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedAndUnvestedNumber" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/> |
| <xs:element id="ntrs_OtherSecuritiesMember" abstract="true" name="OtherSecuritiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/> |
| <xs:element id="ntrs_PeriodThreeMember" abstract="true" name="PeriodThreeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/> |
| <xs:element id="ntrs_VisaClassCConvertibleIntoVisaClassAMember" abstract="true" name="VisaClassCConvertibleIntoVisaClassAMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/> |
| <xs:element id="ntrs_ResidentialRealEstateLoansPercentageOfTotalUSLoansandLeases" abstract="false" name="ResidentialRealEstateLoansPercentageOfTotalUSLoansandLeases" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/> |
| <xs:element id="ntrs_PreferredStockDividendPaymentRateVariableRate" abstract="false" name="PreferredStockDividendPaymentRateVariableRate" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/> |
| <xs:element id="ntrs_TreasuryManagementFees" abstract="false" name="TreasuryManagementFees" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_DeferredTaxLiabilitiesStateTaxes" abstract="false" name="DeferredTaxLiabilitiesStateTaxes" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_MoneyMarketInvestmentFairValueDisclosure" abstract="false" name="MoneyMarketInvestmentFairValueDisclosure" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_HedgedLiabilityFairValueHedgeDiscontinuedCumulativeIncreaseDecrease" abstract="false" name="HedgedLiabilityFairValueHedgeDiscontinuedCumulativeIncreaseDecrease" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_SegmentReportingInformationFullyTaxableEquivalentAdjustment" abstract="false" name="SegmentReportingInformationFullyTaxableEquivalentAdjustment" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_PeriodTwoMember" abstract="true" name="PeriodTwoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/> |
| <xs:element id="ntrs_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingIntrinsicValue" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingIntrinsicValue" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_DerivativeLiabilitiesSubjecttoaMasterNettingArrangementAbstract" abstract="true" name="DerivativeLiabilitiesSubjecttoaMasterNettingArrangementAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/> |
| <xs:element id="ntrs_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisLineItems" abstract="true" name="FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/> |
| <xs:element id="ntrs_IncomeTaxExpenseBenefitIncludingFullyTaxableEquivalentAdjustment" abstract="false" name="IncomeTaxExpenseBenefitIncludingFullyTaxableEquivalentAdjustment" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_GeographicalOtherMember" abstract="true" name="GeographicalOtherMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/> |
| <xs:element id="ntrs_SecuritiesPurchasedUnderAgreementsToResellNettingImpact" abstract="false" name="SecuritiesPurchasedUnderAgreementsToResellNettingImpact" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_LoansReceivableCommercialConstructionAcquisitionAndDevelopment" abstract="false" name="LoansReceivableCommercialConstructionAcquisitionAndDevelopment" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_AssetsandLiabilitiesLesseeTableTextBlock" abstract="false" name="AssetsandLiabilitiesLesseeTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/> |
| <xs:element id="ntrs_CorporationSubordinatedNotes6125DueNovember2032Member" abstract="true" name="CorporationSubordinatedNotes6125DueNovember2032Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/> |
| <xs:element id="ntrs_OperatingLeasesAbstract" abstract="true" name="OperatingLeasesAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/> |
| <xs:element id="ntrs_UpperLimitOfGenerallyRequiredLoanToCollateralValueForResidentialRealEstateLoans" abstract="false" name="UpperLimitOfGenerallyRequiredLoanToCollateralValueForResidentialRealEstateLoans" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/> |
| <xs:element id="ntrs_FixedRateCorporateSeniorNotesDueMayTwentyThirtyMember" abstract="true" name="FixedRateCorporateSeniorNotesDueMayTwentyThirtyMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/> |
| <xs:element id="ntrs_NumberOfDebtSecuritiesAvailableForSale" abstract="false" name="NumberOfDebtSecuritiesAvailableForSale" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/> |
| <xs:element id="ntrs_ScheduleOfDefinedBenefitPlanChangeInPlanAssetsTable" abstract="true" name="ScheduleOfDefinedBenefitPlanChangeInPlanAssetsTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/> |
| <xs:element id="ntrs_SecuritiesSoldUnderAgreementsToRepurchaseMaximumMonthEndBalanceDuringPeriod" abstract="false" name="SecuritiesSoldUnderAgreementsToRepurchaseMaximumMonthEndBalanceDuringPeriod" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_OtherFinancialAssetsChangeInPresentValueExpenseReversal" abstract="false" name="OtherFinancialAssetsChangeInPresentValueExpenseReversal" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_FinancingReceivableAccrual" abstract="false" name="FinancingReceivableAccrual" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_OtherConsumerLoanMember" abstract="true" name="OtherConsumerLoanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/> |
| <xs:element id="ntrs_CreditRiskToBanksNonInterestBearingBalancesHeldAtBanks" abstract="false" name="CreditRiskToBanksNonInterestBearingBalancesHeldAtBanks" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_FixedRateCorporateSeniorNotes315PercentDueMay2029Member" abstract="true" name="FixedRateCorporateSeniorNotes315PercentDueMay2029Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/> |
| <xs:element id="ntrs_ForeignMunicipalAndProvincialBondsMember" abstract="true" name="ForeignMunicipalAndProvincialBondsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/> |
| <xs:element id="ntrs_NonbankSubsidiariesMember" abstract="true" name="NonbankSubsidiariesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/> |
| <xs:element id="ntrs_BanksIndustryMember" abstract="true" name="BanksIndustryMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/> |
| <xs:element id="ntrs_LongTermDebtTableTextBlock" abstract="false" name="LongTermDebtTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/> |
| <xs:element id="ntrs_SecuritiesLendingMember" abstract="true" name="SecuritiesLendingMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/> |
| <xs:element id="ntrs_SeriesDPreferredStockDepositarySharesMember" abstract="true" name="SeriesDPreferredStockDepositarySharesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/> |
| <xs:element id="ntrs_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFairValueGrantsInPeriod" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFairValueGrantsInPeriod" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_FinancingReceivableNonaccrualIncludingOtherRealEstateOwned" abstract="false" name="FinancingReceivableNonaccrualIncludingOtherRealEstateOwned" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_SupplementalNonCashInformationAbstract" abstract="true" name="SupplementalNonCashInformationAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/> |
| <xs:element id="ntrs_ScheduleOfDefinedBenefitPlanChangeInPlanAssetsLineItems" abstract="true" name="ScheduleOfDefinedBenefitPlanChangeInPlanAssetsLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/> |
| <xs:element id="ntrs_OtherAssetsExcludingDerivativesAndNonFinancialInstruments" abstract="false" name="OtherAssetsExcludingDerivativesAndNonFinancialInstruments" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_MoodysAndStandardPoorsBBBRatingMember" abstract="true" name="MoodysAndStandardPoorsBBBRatingMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/> |
| <xs:element id="ntrs_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionAccumulatedLossWithCreditLoss" abstract="false" name="DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionAccumulatedLossWithCreditLoss" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_SecuritiesReceivedAsCollateralAtFairValue" abstract="false" name="SecuritiesReceivedAsCollateralAtFairValue" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_CommitmentsParticipatedToOthers" abstract="false" name="CommitmentsParticipatedToOthers" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_CommercialAndInstitutionalLoansMember" abstract="true" name="CommercialAndInstitutionalLoansMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/> |
| <xs:element id="ntrs_OtherCustomerReceivablesMember" abstract="true" name="OtherCustomerReceivablesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/> |
| <xs:element id="ntrs_EmployeeServiceShareBasedCompensationTaxBenefitRealizedFromExerciseOfStockOption" abstract="false" name="EmployeeServiceShareBasedCompensationTaxBenefitRealizedFromExerciseOfStockOption" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_AllowanceForCreditLosesRollForward" abstract="true" name="AllowanceForCreditLosesRollForward" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/> |
| <xs:element id="ntrs_LoanServicingMember" abstract="true" name="LoanServicingMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/> |
| <xs:element id="ntrs_InvestmentInConsolidatedSubsidiary" abstract="false" name="InvestmentInConsolidatedSubsidiary" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_InterestRevenueExpenseNetIncludingFullyTaxableEquivalentAdjustment" abstract="false" name="InterestRevenueExpenseNetIncludingFullyTaxableEquivalentAdjustment" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_DebtSecuritiesAndLoansMember" abstract="true" name="DebtSecuritiesAndLoansMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/> |
| <xs:element id="ntrs_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTable" abstract="true" name="FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/> |
| <xs:element id="ntrs_OffsettingAssetsAndLiabilitiesDisclosureTextBlock" abstract="false" name="OffsettingAssetsAndLiabilitiesDisclosureTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/> |
| <xs:element id="ntrs_TimeDeposits250000OrMore" abstract="false" name="TimeDeposits250000OrMore" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_AssetsLesseeAbstract" abstract="true" name="AssetsLesseeAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/> |
| <xs:element id="ntrs_SegmentReportingInformationConsolidatedAverageAssets" abstract="false" name="SegmentReportingInformationConsolidatedAverageAssets" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_FixedRateCorporateSeniorNotes4PercentMember" abstract="true" name="FixedRateCorporateSeniorNotes4PercentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/> |
| <xs:element id="ntrs_DisclosureOfSecuritiesSoldUnderAgreementsToRepurchaseAndDerivativeLiabilitiesTableTextBlock" abstract="false" name="DisclosureOfSecuritiesSoldUnderAgreementsToRepurchaseAndDerivativeLiabilitiesTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/> |
| <xs:element id="ntrs_LoansReceivableCommercialRealEstateCommercialMortgageApartmentsAndMultiFamily" abstract="false" name="LoansReceivableCommercialRealEstateCommercialMortgageApartmentsAndMultiFamily" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansTax" abstract="false" name="AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansTax" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_MoodysAndStandardPoorsAOrHigherRatingMember" abstract="true" name="MoodysAndStandardPoorsAOrHigherRatingMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/> |
| <xs:element id="ntrs_AffordableHousingMember" abstract="true" name="AffordableHousingMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/> |
| <xs:element id="ntrs_OtherFinancialAssetsCreditLossExpenseReversal" abstract="false" name="OtherFinancialAssetsCreditLossExpenseReversal" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_WealthManagementSegmentMember" abstract="true" name="WealthManagementSegmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/> |
| <xs:element id="ntrs_AccumulatedForeignCurrencyAdjustmentAttributabletoParentOtherMember" abstract="true" name="AccumulatedForeignCurrencyAdjustmentAttributabletoParentOtherMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/> |
| <xs:element id="ntrs_ProceedsFromPaymentsForFederalFundsSold" abstract="false" name="ProceedsFromPaymentsForFederalFundsSold" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_TotalDerivativeLiabilitiesNotSubjecttoaMasterNettingArrangementAbstract" abstract="true" name="TotalDerivativeLiabilitiesNotSubjecttoaMasterNettingArrangementAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/> |
| <xs:element id="ntrs_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedAndUnvestedGrantsInPeriod" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedAndUnvestedGrantsInPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/> |
| <xs:element id="ntrs_ScheduleOfAccruedInterestTableTextBlock" abstract="false" name="ScheduleOfAccruedInterestTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/> |
| <xs:element id="ntrs_ProductsandServicesOtherOperatingIncomeMember" abstract="true" name="ProductsandServicesOtherOperatingIncomeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/> |
| <xs:element id="ntrs_ShareBasedCompensationArrangementByShareBasedPaymentAwardOtherThanOptionsOutstandingWeightedAverageRemainingVestingPeriod" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOtherThanOptionsOutstandingWeightedAverageRemainingVestingPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/> |
| <xs:element id="ntrs_OtherOperatingExpensesTableTextBlock" abstract="false" name="OtherOperatingExpensesTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/> |
| <xs:element id="ntrs_IndustryTypeDomain" abstract="true" name="IndustryTypeDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/> |
| <xs:element id="ntrs_LoansMeasurementInput" abstract="false" name="LoansMeasurementInput" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:decimalItemType"/> |
| <xs:element id="ntrs_SupplementaryLeverageCapitaltoAverageAssets" abstract="false" name="SupplementaryLeverageCapitaltoAverageAssets" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/> |
| <xs:element id="ntrs_ScheduleOfNetPeriodicBenefitCostsWeightedAverageAssumptionsTable" abstract="true" name="ScheduleOfNetPeriodicBenefitCostsWeightedAverageAssumptionsTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/> |
| <xs:element id="ntrs_FinancingReceivableExcludingAccruedInterestModifiedFinanciallyDistressed" abstract="false" name="FinancingReceivableExcludingAccruedInterestModifiedFinanciallyDistressed" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_PotentialExchangeOfferProgramNumberOfExchangeOffers" abstract="false" name="PotentialExchangeOfferProgramNumberOfExchangeOffers" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/> |
| <xs:element id="ntrs_StockConversionPeriodDomain" abstract="true" name="StockConversionPeriodDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/> |
| <xs:element id="ntrs_DebtSecuritiesHeldToMaturityPercentOfPortfolio" abstract="false" name="DebtSecuritiesHeldToMaturityPercentOfPortfolio" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/> |
| <xs:element id="ntrs_CoveredBondsMember" abstract="true" name="CoveredBondsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/> |
| <xs:element id="ntrs_ClientSecuritySettlementReceivablesPolicyTextBlock" abstract="false" name="ClientSecuritySettlementReceivablesPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/> |
| <xs:element id="ntrs_MeasurementInputVisaClassAAppreciationMember" abstract="true" name="MeasurementInputVisaClassAAppreciationMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/> |
| <xs:element id="ntrs_AllowanceForCreditLossExcludingAccruedInterestRecovery" abstract="false" name="AllowanceForCreditLossExcludingAccruedInterestRecovery" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_ClientSecuritySettlementReceivables" abstract="false" name="ClientSecuritySettlementReceivables" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_AllowanceForCreditLossExcludingAccruedInterest" abstract="false" name="AllowanceForCreditLossExcludingAccruedInterest" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_NetChangeInClientSecuritySettlementReceivables" abstract="false" name="NetChangeInClientSecuritySettlementReceivables" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_AOCIAccumulatedGainLossDebtSecuritiesAvailableForSaleInterestIncomeMember" abstract="true" name="AOCIAccumulatedGainLossDebtSecuritiesAvailableForSaleInterestIncomeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/> |
| <xs:element id="ntrs_StockIncentivePlan2012PlanAnd2002PlanMember" abstract="true" name="StockIncentivePlan2012PlanAnd2002PlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/> |
| <xs:element id="ntrs_PerformanceStockUnitsGranted201920202021Member" abstract="true" name="PerformanceStockUnitsGranted201920202021Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/> |
| <xs:element id="ntrs_LowerLimitOfGenerallyRequiredLoanToCollateralValueForResidentialRealEstateLoans" abstract="false" name="LowerLimitOfGenerallyRequiredLoanToCollateralValueForResidentialRealEstateLoans" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/> |
| <xs:element id="ntrs_FinancingReceivableTroubledDebtRestructuringPostmodificationUnpaidPrincipalBalance" abstract="false" name="FinancingReceivableTroubledDebtRestructuringPostmodificationUnpaidPrincipalBalance" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_OtherNoninterestIncome" abstract="false" name="OtherNoninterestIncome" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_ShareBasedCompensationArrangementByShareBasedPaymentAwardPeriodOfTimeOptionsBecomeExercisable" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardPeriodOfTimeOptionsBecomeExercisable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/> |
| <xs:element id="ntrs_ChangeinUnrealizedGainLossonAmountsRelatedtoSettlement" abstract="false" name="ChangeinUnrealizedGainLossonAmountsRelatedtoSettlement" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_FinancingReceivableExcludingAccruedInterestModifiedWriteOff" abstract="false" name="FinancingReceivableExcludingAccruedInterestModifiedWriteOff" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_StandbyLettersOfCreditPolicyTextBlock" abstract="false" name="StandbyLettersOfCreditPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/> |
| <xs:element id="ntrs_SecuredByCashDepositsOrParticipatedToOthersMember" abstract="true" name="SecuredByCashDepositsOrParticipatedToOthersMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/> |
| <xs:element id="ntrs_InvestmentManagementandAdvisoryMember" abstract="true" name="InvestmentManagementandAdvisoryMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/> |
| <xs:element id="ntrs_IncomeTaxReconciliationLeveragedLeaseAdjustments" abstract="false" name="IncomeTaxReconciliationLeveragedLeaseAdjustments" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/> |
| <xs:element id="ntrs_ScheduleOfPensionExpectedFutureBenefitPaymentsTable" abstract="true" name="ScheduleOfPensionExpectedFutureBenefitPaymentsTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/> |
| <xs:element id="ntrs_ContractualMaturitiesTimeDeposits250000OrMoreYearTwo" abstract="false" name="ContractualMaturitiesTimeDeposits250000OrMoreYearTwo" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_PerformanceStockUnitsMember" abstract="true" name="PerformanceStockUnitsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/> |
| <xs:element id="ntrs_OtherFinancialAssetsAccruedInterestAfterAllowanceForCreditLoss" abstract="false" name="OtherFinancialAssetsAccruedInterestAfterAllowanceForCreditLoss" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_OtherFinancialObligationsMember" abstract="true" name="OtherFinancialObligationsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/> |
| <xs:element id="ntrs_SecuritiesSoldUnderAgreementsToRepurchaseAverageInterestRatePaidDuringPeriod" abstract="false" name="SecuritiesSoldUnderAgreementsToRepurchaseAverageInterestRatePaidDuringPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/> |
| <xs:element id="ntrs_AverageInterestBearingDepositsInFederalReserveBankForReserveRequirements" abstract="false" name="AverageInterestBearingDepositsInFederalReserveBankForReserveRequirements" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_AllowanceForCreditLossExcludingOffBalanceSheetCreditLossLiability" abstract="false" name="AllowanceForCreditLossExcludingOffBalanceSheetCreditLossLiability" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_FinancingReceivableAllowanceForCreditLossesAndOffBalanceSheetCreditLossLiability" abstract="false" name="FinancingReceivableAllowanceForCreditLossesAndOffBalanceSheetCreditLossLiability" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_NumberOfAdministratedTrustsServingAsTrusteeOn" abstract="false" name="NumberOfAdministratedTrustsServingAsTrusteeOn" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/> |
| <xs:element id="ntrs_LoansAndLeasesReceivableResidentialRealEstate" abstract="false" name="LoansAndLeasesReceivableResidentialRealEstate" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_FinancialAsset30To89DaysPastDueMember" abstract="true" name="FinancialAsset30To89DaysPastDueMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/> |
| <xs:element id="ntrs_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMember" abstract="true" name="IncomeLossFromContinuingOperationsBeforeIncomeTaxesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/> |
| <xs:element id="ntrs_DeferredTaxAssetsCompensationAndBenefits" abstract="false" name="DeferredTaxAssetsCompensationAndBenefits" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_NumberofClientFocusedReportableSegment" abstract="false" name="NumberofClientFocusedReportableSegment" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/> |
| <xs:element id="ntrs_SalariesWagesAndIncentives" abstract="false" name="SalariesWagesAndIncentives" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_DefinedBenefitPlanBenefitObligationIncreaseDecreaseForAmortizationPeriodAdjustment" abstract="false" name="DefinedBenefitPlanBenefitObligationIncreaseDecreaseForAmortizationPeriodAdjustment" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_InvestmentsInCommunityDevelopmentProjectsCarryingAmountLiabilities" abstract="false" name="InvestmentsInCommunityDevelopmentProjectsCarryingAmountLiabilities" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_LoansReceivableAbstract" abstract="true" name="LoansReceivableAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/> |
| <xs:element id="ntrs_CreditLossExpenseReversalAndAvailableForSaleAllowanceForCreditLoss" abstract="false" name="CreditLossExpenseReversalAndAvailableForSaleAllowanceForCreditLoss" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_AvailableForSaleDebtSecuritiesPortfolioForSaleMember" abstract="true" name="AvailableForSaleDebtSecuritiesPortfolioForSaleMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/> |
| <xs:element id="ntrs_OtherFinancialAssetsAllowanceForCreditLossRecovery" abstract="false" name="OtherFinancialAssetsAllowanceForCreditLossRecovery" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_DerivativesSubjecttoaMasterNettingArrangementAbstract" abstract="true" name="DerivativesSubjecttoaMasterNettingArrangementAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/> |
| <xs:element id="ntrs_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionWithCreditLoss" abstract="false" name="DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionWithCreditLoss" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_ScheduleOfNetPeriodicBenefitCostsWeightedAverageAssumptionsLineItems" abstract="true" name="ScheduleOfNetPeriodicBenefitCostsWeightedAverageAssumptionsLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/> |
| <xs:element id="ntrs_AllowanceForCreditLossExcludingAccruedInterestWriteoff" abstract="false" name="AllowanceForCreditLossExcludingAccruedInterestWriteoff" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_FederalHomeLoanBank5.18PercentDueDecember2025Member" abstract="true" name="FederalHomeLoanBank5.18PercentDueDecember2025Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/> |
| <xs:element id="ntrs_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesUnobservableInputsAndQuantitativeInformationTableTextBlock" abstract="false" name="FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesUnobservableInputsAndQuantitativeInformationTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/> |
| <xs:element id="ntrs_EmergingMarketDebtMember" abstract="true" name="EmergingMarketDebtMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/> |
| <xs:element id="ntrs_OtherCommercialLoanMember" abstract="true" name="OtherCommercialLoanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/> |
| <xs:element id="ntrs_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsConversionRatio" abstract="false" name="SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsConversionRatio" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/> |
| <xs:element id="ntrs_NetIncomeLossAllocatedToCommonStockholdersBasic" abstract="false" name="NetIncomeLossAllocatedToCommonStockholdersBasic" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_DeferredTaxLiabilitiesCompensationAndBenefits" abstract="false" name="DeferredTaxLiabilitiesCompensationAndBenefits" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_ChangeInFederalFundsPurchased" abstract="false" name="ChangeInFederalFundsPurchased" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationTerm" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationTerm" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/> |
| <xs:element id="ntrs_SecurityCommissionsandTradingIncome" abstract="false" name="SecurityCommissionsandTradingIncome" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_HeldToMaturitySecuritiesTransferredFromAvailableForSale" abstract="false" name="HeldToMaturitySecuritiesTransferredFromAvailableForSale" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_NonUSTreasuryandGovernmentMember" abstract="true" name="NonUSTreasuryandGovernmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/> |
| <xs:element id="ntrs_RegulatoryCapitalRequirementsAbstractAbstract" abstract="true" name="RegulatoryCapitalRequirementsAbstractAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/> |
| <xs:element id="ntrs_ContractualMaturitiesTimeDeposits250000OrMoreYearFive" abstract="false" name="ContractualMaturitiesTimeDeposits250000OrMoreYearFive" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_MoodysAndStandardPoorsARatingMember" abstract="true" name="MoodysAndStandardPoorsARatingMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/> |
| <xs:element id="ntrs_AOCIAccumulatedGainLossDebtSecuritiesAvailableForSaleNetGainsMember" abstract="true" name="AOCIAccumulatedGainLossDebtSecuritiesAvailableForSaleNetGainsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/> |
| <xs:element id="ntrs_NumberOfSecuritiesUnrealizedLossesPosition" abstract="false" name="NumberOfSecuritiesUnrealizedLossesPosition" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/> |
| <xs:element id="ntrs_FairValueInvestmentsSeedCapitalInvestments" abstract="false" name="FairValueInvestmentsSeedCapitalInvestments" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_CommercialMortgagesAbstract" abstract="true" name="CommercialMortgagesAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/> |
| <xs:element id="ntrs_AuditInformationAbstract" abstract="true" name="AuditInformationAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/> |
| <xs:element id="ntrs_SecuritiesSoldUnderAgreementsToRepurchaseNettingImpact" abstract="false" name="SecuritiesSoldUnderAgreementsToRepurchaseNettingImpact" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_AccumulatedDefinedBenefitPlansAdjustmentNetSettlementGainLossAttributableToParentMember" abstract="true" name="AccumulatedDefinedBenefitPlansAdjustmentNetSettlementGainLossAttributableToParentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/> |
| <xs:element id="ntrs_BankOwnedLifeInsuranceMember" abstract="true" name="BankOwnedLifeInsuranceMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/> |
| <xs:element id="ntrs_NorthernTrustFiduciaryServicesGuernseyLimitedMember" abstract="true" name="NorthernTrustFiduciaryServicesGuernseyLimitedMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/> |
| <xs:element id="ntrs_CashCollateralDepositedWithDerivativeCounterpartiesNotOffsetAgainstDerivativeLiabilities" abstract="false" name="CashCollateralDepositedWithDerivativeCounterpartiesNotOffsetAgainstDerivativeLiabilities" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_OtherFinancialAssetsAllowanceForCreditLossWriteoff" abstract="false" name="OtherFinancialAssetsAllowanceForCreditLossWriteoff" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_ScheduleOfDefinedBenefitPlanChangeInBenefitObligationTable" abstract="true" name="ScheduleOfDefinedBenefitPlanChangeInBenefitObligationTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/> |
| <xs:element id="ntrs_ScheduleOfDefinedBenefitPlanChangeInBenefitObligationLineItems" abstract="true" name="ScheduleOfDefinedBenefitPlanChangeInBenefitObligationLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/> |
| <xs:element id="ntrs_PotentialExchangeOfferProgramLengthOfTimeBetweenExchanges" abstract="false" name="PotentialExchangeOfferProgramLengthOfTimeBetweenExchanges" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/> |
| <xs:element id="ntrs_ContractualMaturitiesTimeDeposits250000OrMoreAfterYearFive" abstract="false" name="ContractualMaturitiesTimeDeposits250000OrMoreAfterYearFive" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_OtherTrustInvestmentAndOtherServicingFeesMember" abstract="true" name="OtherTrustInvestmentAndOtherServicingFeesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/> |
| <xs:element id="ntrs_CreditLossExcludingAccruedInterestExpenseReversal" abstract="false" name="CreditLossExcludingAccruedInterestExpenseReversal" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_DebtSecuritiesHeldToMaturityExcludingAccruedInterestAllowanceForCreditLossWriteoffRecovery" abstract="false" name="DebtSecuritiesHeldToMaturityExcludingAccruedInterestAllowanceForCreditLossWriteoffRecovery" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_LoansReceivableCommercialRealEstateCommercialMortgageOffice" abstract="false" name="LoansReceivableCommercialRealEstateCommercialMortgageOffice" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ntrs_TrustFeesReceivableNetMember" abstract="true" name="TrustFeesReceivableNetMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/> |
| <xs:element id="ntrs_FourToFiveInternalGradeMember" abstract="true" name="FourToFiveInternalGradeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/> |
| <xs:element id="ntrs_CommonStockConvertibleConversionPrice" abstract="false" name="CommonStockConvertibleConversionPrice" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/> |
| <xs:element id="ntrs_IndustryTypeAxis" abstract="true" name="IndustryTypeAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/> |
| <xs:element id="ntrs_CustomCompletionMember" abstract="true" name="CustomCompletionMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/> |
| <xs:element id="ntrs_PercentageOfConsolidatedNetIncome" abstract="false" name="PercentageOfConsolidatedNetIncome" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/> |
| </xs:schema> |