1001 - Document - Document and Entity Information
link:calculationLink
link:presentationLink
link:definitionLink
1003 - Statement - Consolidated Balance Sheet
link:calculationLink
link:presentationLink
link:definitionLink
1004 - Statement - Consolidated Balance Sheet (Parenthetical)
link:calculationLink
link:presentationLink
link:definitionLink
1005 - Statement - Consolidated Statement of Income
link:calculationLink
link:presentationLink
link:definitionLink
1006 - Statement - Consolidated Statement of Comprehensive Income
link:calculationLink
link:presentationLink
link:definitionLink
1007 - Statement - Consolidated Statement of Income (Parenthetical)
link:calculationLink
link:presentationLink
link:definitionLink
1008 - Statement - Consolidated Statement of Changes in Stockholders' Equity
link:calculationLink
link:presentationLink
link:definitionLink
1009 - Statement - Consolidated Statement of Cash Flows
link:calculationLink
link:presentationLink
link:definitionLink
1010 - Disclosure - Summary of Significant Accounting Policies
link:calculationLink
link:presentationLink
link:definitionLink
1011 - Disclosure - Recent Accounting Pronouncements
link:calculationLink
link:presentationLink
link:definitionLink
1012 - Disclosure - Fair Value Measurements
link:calculationLink
link:presentationLink
link:definitionLink
1013 - Disclosure - Securities
link:calculationLink
link:presentationLink
link:definitionLink
1014 - Disclosure - Securities Purchased Under Agreements to Resell and Securities Sold Under Agreements to Repurchase
link:calculationLink
link:presentationLink
link:definitionLink
1015 - Disclosure - Loans and Leases
link:calculationLink
link:presentationLink
link:definitionLink
1016 - Disclosure - Allowance for Credit Losses
link:calculationLink
link:presentationLink
link:definitionLink
1017 - Disclosure - Concentrations of Credit Risk
link:calculationLink
link:presentationLink
link:definitionLink
1018 - Disclosure - Buildings and Equipment
link:calculationLink
link:presentationLink
link:definitionLink
1019 - Disclosure - Lease Commitments
link:calculationLink
link:presentationLink
link:definitionLink
1020 - Disclosure - Goodwill and Other Intangibles
link:calculationLink
link:presentationLink
link:definitionLink
1021 - Disclosure - Senior Notes and Long-Term Debt
link:calculationLink
link:presentationLink
link:definitionLink
1022 - Disclosure - Floating Rate Capital Debt
link:calculationLink
link:presentationLink
link:definitionLink
1023 - Disclosure - Stockholders' Equity
link:calculationLink
link:presentationLink
link:definitionLink
1024 - Disclosure - Accumulated Other Comprehensive Income (Loss)
link:calculationLink
link:presentationLink
link:definitionLink
1025 - Disclosure - Net Income per Common Share
link:calculationLink
link:presentationLink
link:definitionLink
1026 - Disclosure - Net Interest Income
link:calculationLink
link:presentationLink
link:definitionLink
1027 - Disclosure - Other Operating Income and Expense
link:calculationLink
link:presentationLink
link:definitionLink
1028 - Disclosure - Income Taxes
link:calculationLink
link:presentationLink
link:definitionLink
1029 - Disclosure - Employee Benefits
link:calculationLink
link:presentationLink
link:definitionLink
1030 - Disclosure - Share-Based Compensation Plans
link:calculationLink
link:presentationLink
link:definitionLink
1031 - Disclosure - Cash-Based Compensation Plans
link:calculationLink
link:presentationLink
link:definitionLink
1032 - Disclosure - Contingent Liabilities
link:calculationLink
link:presentationLink
link:definitionLink
1033 - Disclosure - Derivative Financial Instruments
link:calculationLink
link:presentationLink
link:definitionLink
1034 - Disclosure - Offsetting of Assets and Liabilities
link:calculationLink
link:presentationLink
link:definitionLink
1035 - Disclosure - Off-Balance-Sheet Financial Instruments
link:calculationLink
link:presentationLink
link:definitionLink
1036 - Disclosure - Variable Interest Entities
link:calculationLink
link:presentationLink
link:definitionLink
1037 - Disclosure - Pledged and Restricted Assets
link:calculationLink
link:presentationLink
link:definitionLink
1038 - Disclosure - Restrictions on Subsidiary Dividends and Loans or Advances
link:calculationLink
link:presentationLink
link:definitionLink
1039 - Disclosure - Reporting Segments and Related Information
link:calculationLink
link:presentationLink
link:definitionLink
1040 - Disclosure - Regulatory Capital Requirements
link:calculationLink
link:presentationLink
link:definitionLink
1041 - Disclosure - Northern Trust Corporation (Corporation only)
link:calculationLink
link:presentationLink
link:definitionLink
1042 - Disclosure - Summary of Significant Accounting Policies (Policies)
link:calculationLink
link:presentationLink
link:definitionLink
1043 - Disclosure - Fair Value Measurements (Tables)
link:calculationLink
link:presentationLink
link:definitionLink
1044 - Disclosure - Securities (Tables)
link:calculationLink
link:presentationLink
link:definitionLink
1045 - Disclosure - Securities Purchased Under Agreements to Resell and Securities Sold Under Agreements to Repurchase (Tables)
link:calculationLink
link:presentationLink
link:definitionLink
1046 - Disclosure - Loans and Leases (Tables)
link:calculationLink
link:presentationLink
link:definitionLink
1047 - Disclosure - Allowance for Credit Losses (Tables)
link:calculationLink
link:presentationLink
link:definitionLink
1048 - Disclosure - Concentrations of Credit Risk (Tables)
link:calculationLink
link:presentationLink
link:definitionLink
1049 - Disclosure - Buildings and Equipment (Tables)
link:calculationLink
link:presentationLink
link:definitionLink
1050 - Disclosure - Lease Commitments (Tables)
link:calculationLink
link:presentationLink
link:definitionLink
1051 - Disclosure - Goodwill and Other Intangibles (Tables)
link:calculationLink
link:presentationLink
link:definitionLink
1052 - Disclosure - Senior Notes and Long-Term Debt (Tables)
link:calculationLink
link:presentationLink
link:definitionLink
1053 - Disclosure - Floating Rate Capital Debt (Tables)
link:calculationLink
link:presentationLink
link:definitionLink
1054 - Disclosure - Stockholders' Equity (Tables)
link:calculationLink
link:presentationLink
link:definitionLink
1055 - Disclosure - Accumulated Other Comprehensive Income (Loss) (Tables)
link:calculationLink
link:presentationLink
link:definitionLink
1056 - Disclosure - Net Income per Common Share (Tables)
link:calculationLink
link:presentationLink
link:definitionLink
1057 - Disclosure - Net Interest Income (Tables)
link:calculationLink
link:presentationLink
link:definitionLink
1058 - Disclosure - Other Operating Income and Expense (Tables)
link:calculationLink
link:presentationLink
link:definitionLink
1059 - Disclosure - Income Taxes (Tables)
link:calculationLink
link:presentationLink
link:definitionLink
1060 - Disclosure - Employee Benefits (Tables)
link:calculationLink
link:presentationLink
link:definitionLink
1061 - Disclosure - Share-Based Compensation Plans (Tables)
link:calculationLink
link:presentationLink
link:definitionLink
1062 - Disclosure - Derivative Financial Instruments (Tables)
link:calculationLink
link:presentationLink
link:definitionLink
1063 - Disclosure - Offsetting of Assets and Liabilities (Tables)
link:calculationLink
link:presentationLink
link:definitionLink
1064 - Disclosure - Off-Balance-Sheet Financial Instruments (Tables)
link:calculationLink
link:presentationLink
link:definitionLink
1065 - Disclosure - Reporting Segments and Related Information (Tables)
link:calculationLink
link:presentationLink
link:definitionLink
1066 - Disclosure - Regulatory Capital Requirements (Tables)
link:calculationLink
link:presentationLink
link:definitionLink
1067 - Disclosure - Northern Trust Corporation (Corporation only) (Tables)
link:calculationLink
link:presentationLink
link:definitionLink
1068 - Disclosure - Summary of Significant Accounting Policies - Additional Information (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1069 - Disclosure - Fair Value Measurements - Additional Information (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1070 - Disclosure - Valuation Techniques, Significant Unobservable Inputs, and Quantitative Information (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1071 - Disclosure - Assets and Liabilities Measured at Fair Value on Recurring Basis Segregated by Fair Value Hierarchy Level (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1072 - Disclosure - Assets and Liabilities Measured at Fair Value on Recurring Basis Segregated by Fair Value Hierarchy Level (Parenthetical) (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1073 - Disclosure - Changes in Level 3 Assets (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1074 - Disclosure - Changes in Level 3 Assets (Parenthetical) (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1075 - Disclosure - Changes in Level 3 Liabilities (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1076 - Disclosure - Valuation Techniques, Significant Unobservable Inputs, Quantitative Information Non-recurring Basis (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1077 - Disclosure - Book and Fair Values of All Financial Instruments (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1078 - Disclosure - Reconciliation of Amortized Cost to Fair Value of Securities Available for Sale (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1079 - Disclosure - Remaining Maturity of Securities Available for Sale (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1080 - Disclosure - Reconciliation of Amortized Cost to Fair Values of Securities Held to Maturity (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1081 - Disclosure - Remaining Maturity of Securities Held to Maturity (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1082 - Disclosure - Securities - Additional Information (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1083 - Disclosure - Securities Continuous Unrealized Loss Position (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1084 - Disclosure - Book Values, Ultimate Default Rates, and Loss Severity Rates for Non-Agency Residential Mortgage-Backed Securities Portfolio, by Security Type (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1085 - Disclosure - Credit Related Impairment Losses Recognized in Earnings on Other Than Temporarily Impaired Securities (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1086 - Disclosure - Credit-Related Losses Recognized in Earnings on Debt Securities Other-Than-Temporarily Impaired (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1087 - Disclosure - Securities Purchased under Agreements to Resell (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1088 - Disclosure - Securities Sold under Agreements to Repurchase (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1089 - Disclosure - Amounts Outstanding for Loans and Leases by Segment and Class (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1090 - Disclosure - Loans and Leases - Additional Information (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1091 - Disclosure - Components of Net Investments in Direct Finance and Leveraged Leases (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1092 - Disclosure - Future Minimum Lease Payments to be Received (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1093 - Disclosure - Loan and Lease Segment and Class Balances Segregated by Borrower Ratings into "One to Three", "Four to Five" and "Six to Nine" (Watch List) Categories (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1094 - Disclosure - Balances and Delinquency Status of Performing and Nonperforming Loans and Leases by Segment and Class as well as Total Other Real Estate Owned and Nonperforming Asset Balances (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1095 - Disclosure - Impaired Loans by Segment and Class (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1096 - Disclosure - Number of Loans and Leases Modified in TDRs and Total Recorded Investments and Unpaid Principal Balances (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1097 - Disclosure - Changes in Allowance for Credit Losses by Segment (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1098 - Disclosure - Allowances for Credit Losses and Recorded Investments in Loans and Leases by Segment (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1099 - Disclosure - Concentrations of Credit Risk - Additional Information (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1100 - Disclosure - Commercial Real Estate Loan Types (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1101 - Disclosure - Buildings and Equipment (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1102 - Disclosure - Buildings and Equipment - Additional Information (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1103 - Disclosure - Future Minimum Lease payments for Non-cancelable Operating Lease (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1104 - Disclosure - Lease Commitments - Additional Information (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1105 - Disclosure - Future Minimum Lease Payments for Capital Lease (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1106 - Disclosure - Changes by Reporting Segment in Carrying Amounts of Goodwill, including Effect of Foreign Exchange Rates on Non-U.S.-Dollar-Denominated Balances (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1107 - Disclosure - Other Intangible Assets Subject to Amortization (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1108 - Disclosure - Goodwill and Other Intangibles - Additional Information (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1109 - Disclosure - Summary of Senior Notes Outstanding (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1110 - Disclosure - Summary of Long-Term Debt Outstanding (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1111 - Disclosure - Summary of Long-Term Debt Outstanding (Parenthetical) (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1112 - Disclosure - Summary of Senior Notes Outstanding (Parenthetical) (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1113 - Disclosure - Floating Rate Capital Debt - Additional Information (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1114 - Disclosure - Summary of Book Values of Outstanding Subordinated Debentures (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1115 - Disclosure - Stockholders' Equity - Additional Information (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1116 - Disclosure - Changes in Number of Shares of Common Stock Outstanding (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1117 - Disclosure - Components of Accumulated Other Comprehensive Income (Loss) (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1118 - Disclosure - Accumulated Other Comprehensive Income (Loss) Changes During Period (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1119 - Disclosure - Reclassification Adjustments out of Accumulated Other Comprehensive Income (Loss) (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1120 - Disclosure - Computations of Net Income Per Common Share (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1121 - Disclosure - Net Income Per Common Share - Additional Information (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1122 - Disclosure - Components of Net Interest Income (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1123 - Disclosure - Components of Net Interest Income (Parenthetical) (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1124 - Disclosure - Components of Other Operating Income (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1125 - Disclosure - Components of Other Operating Expense (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1126 - Disclosure - Income Taxes - Additional Information (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1127 - Disclosure - Reconciliation of Total Provision for Income Taxes with Amount Computed at Statutory Federal Tax Rate (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1128 - Disclosure - Reconciliation of Beginning and Ending Amount of Unrecognized Tax Benefit (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1129 - Disclosure - Components of Consolidated Provision for Income Taxes (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1130 - Disclosure - Tax Charges (Benefits) Recorded Directly to Stockholders' Equity (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1131 - Disclosure - Deferred Tax Liabilities and Assets (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1132 - Disclosure - Employee Benefits - Additional Information (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1133 - Disclosure - Plan Status of U.S. Plan, Non-U.S. Plan, and supplemental Plan (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1134 - Disclosure - Amounts Included in Accumulated Other Comprehensive Income (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1135 - Disclosure - Components of Company's Net Periodic Benefit Cost (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1136 - Disclosure - Change in Projected Benefit Obligation (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1137 - Disclosure - Estimated Future Benefit Payments (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1138 - Disclosure - Change In Plan Assets (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1139 - Disclosure - Fair Value of Pension Plan Assets (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1140 - Disclosure - Changes in Level 3 U.S. Pension Plan Assets (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1141 - Disclosure - Postretirement Health Care Plan Status (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1142 - Disclosure - Postretirement Healthcare Amount Included in Accumulated Other Comprehensive Income (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1143 - Disclosure - Postretirement Health Care Plan Net Periodic (Benefit) Expense (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1144 - Disclosure - Postretirement Health Care Plan Change in Accumulated in Postretirement Benefit Obligation (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1145 - Disclosure - Postretirement Health Care Plan Estimated Future Benefit Payments (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1146 - Disclosure - Health Care Trend Rate Assumption Effects (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1147 - Disclosure - Compensation Expense for Share-Based Payment Arrangements and Associated Tax Impacts (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1148 - Disclosure - Share-Based Compensation Plans - Additional Information (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1149 - Disclosure - Weighted-Average Assumptions Used for Options Granted (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1150 - Disclosure - Information Pertaining to Stock Options Granted, Vested and Exercised (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1151 - Disclosure - Changes in Nonvested Stock Options (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1152 - Disclosure - Summary of Status of Stock Options Under Twenty Twelve Plan and Twenty Zero Two Plan (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1153 - Disclosure - Status of Outstanding Restricted Stock Unit Awards Under Twenty Twelve Plan and Twenty Zero Two Plan (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1154 - Disclosure - Summary of Nonvested Restricted Stock Unit Awards (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1155 - Disclosure - Cash-Based Compensation Plans - Additional Information (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1156 - Disclosure - Contingent Liabilities - Additional Information (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1157 - Disclosure - Derivative Financial Instruments - Additional Information (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1158 - Disclosure - Notional and Fair Value Amounts of Client-related and Trading Derivative Financial Instruments (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1159 - Disclosure - Gains and Losses Recorded in Consolidated Statements of Income Related to Client Related and Trading Derivative Financial Instruments (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1160 - Disclosure - Types and Classifications of Derivative Instruments Designated as Hedges (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1161 - Disclosure - Gains and Losses Recorded in Consolidated Statement of Income Related to Fair Value Hedges (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1162 - Disclosure - Cash Flow Hedge Derivative Gains and Losses Recognized in AOCI and the Amounts Reclassified to Earnings (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1163 - Disclosure - Net Investment Hedge Gains and Losses Recognized in AOCI (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1164 - Disclosure - Types of Risk Management Derivative Instruments Not Formally Designated as Hedges and Their Notional Amounts and Fair Values (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1165 - Disclosure - Gains and Losses Recorded in Consolidated Statements of Income related to Derivative Instruments Not Formally Designated as Hedges (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1166 - Disclosure - Offsetting of Derivative Assets and of Securities Purchased Under Agreements to Resell Within Consolidated Balance Sheet (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1167 - Disclosure - Offsetting of Derivative Assets and of Securities Purchased Under Agreements to Resell Within Consolidated Balance Sheet (Parenthetical) (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1168 - Disclosure - Offsetting of Derivative Liabilities and of Securities Sold Under Agreements to Repurchase Within Consolidated Balance Sheet (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1169 - Disclosure - Offsetting of Derivative Liabilities and of Securities Sold Under Agreements to Repurchase Within Consolidated Balance Sheet (Parenthetical) (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1170 - Disclosure - Commitments and Letters of Credit (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1171 - Disclosure - Commitments and Letters of Credit (Parenthetical) (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1172 - Disclosure - Off Balance Sheet Financial Instruments - Additional Information (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1173 - Disclosure - Variable Interest Entities - Additional Information (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1174 - Disclosure - Pledged and Restricted Assets - Additional Information (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1175 - Disclosure - Restrictions on Subsidiary Dividends and Loans or Advances - Additional Information (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1176 - Disclosure - Reporting Segments and Related Information - Additional Information (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1177 - Disclosure - Earnings Contribution of Northern Trust's Reporting Segments (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1178 - Disclosure - Earnings Contribution of Northern Trust's Reporting Segments (Parenthetical) (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1179 - Disclosure - Distribution of Total Assets and Operating Performance (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1180 - Disclosure - Risk-Based Capital Amounts and Ratios for Northern Trust on Consolidated Basis and for Bank (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1181 - Disclosure - Condensed Balance Sheet (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1182 - Disclosure - Condensed Statement of Income (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
1183 - Disclosure - Condensed Statement of Cash Flows (Detail)
link:calculationLink
link:presentationLink
link:definitionLink