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Segment Information | 12 Months Ended
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Dec. 31, 2025
Segment Reporting [Abstract] |
Segment Information | SEGMENT INFORMATION Operating segments are components of an enterprise about which separate financial information is available that is evaluated regularly by the chief operating decision maker (“CODM”) in assessing performance and in deciding how to allocate resources. Old National’s CODM is the Chairman and CEO of the Company. Through our wholly owned banking subsidiary and non-bank affiliates, we provide a wide range of services primarily throughout the Midwest and Southeast regions of the United States and elsewhere, including commercial and consumer loan and depository services, private banking, capital markets, brokerage, wealth management, trust, investment advisory, and other traditional banking services. The Company’s business activities are predominantly similar in their nature, operations, and economic characteristics, largely serving commercial and specialty banking clients with products and services that are offered through overall similar processes and platforms. The accounting policies for the services discussed here are the same as those described in Note 1 Basis of Presentation and Significant Accounting Policies. We earn interest income on loans as well as fee income from the origination of loans and from fees charged on deposit accounts. Lending activities include loans to individuals, which primarily consist of home equity lines of credit, residential real estate loans, and consumer loans, and loans to commercial clients, which include commercial loans, commercial real estate loans, agricultural loans, letters of credit, and lease financing. Residential real estate loans are either kept in our loan portfolio or sold to secondary investors, with gains or losses from the sales being recognized. The CODM uses consolidated net income to monitor results, evaluate budget-to-actual variances, perform competitive analyses that benchmark the Company to competitors, and determine whether to reinvest earnings in the Company or to deploy capital in other ways to maximize shareholder value. The CODM is regularly provided with the consolidated income and expenses, as well as assets, as presented on the Consolidated Statements of Income and Consolidated Balance Sheets, respectively, to assess performance and decide how to allocate resources on a Company-wide basis. The CODM also uses such information to monitor the level of expenses incurred associated with the various aspects of the Company’s business that support our clients, generate revenues, and are associated with the overall administration of the Company’s operations. In addition, certain internal financial information is also used by the CODM to monitor credit quality and credit loss expense. As a result, the Company has determined that it has only one reportable segment.

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- Definition The entire disclosure for reporting segments including data and tables. 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