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Significant accounting policies
6 Months Ended
Jun. 30, 2023
Accounting Policies [Abstract]  
Significant accounting policies

1. Significant accounting policies

The consolidated interim financial statements of M&T Bank Corporation (“M&T”) and subsidiaries (“the Company”) were compiled in accordance with generally accepted accounting principles (“GAAP”) using the accounting policies set forth in note 1 of Notes to Financial Statements included in Form 10-K for the year ended December 31, 2022 (“2022 Annual Report”), except as disclosed in note 16 of Notes to Financial Statements herein. The financial statements contain all adjustments which are, in the opinion of management, necessary for a fair statement of the Company's financial position, results of operations and cash flows for the interim periods presented.