Recent accounting developments
As described in note 6, effective January 1, 2026 the Company elected to prospectively measure its residential mortgage loan servicing assets at fair value. The following table provides a description of accounting standards that were adopted by the Company in 2025 as well as standards that were not yet effective at December 31, 2025 that could have an impact to M&T's consolidated financial statements upon adoption.
 StandardDescription
Required date of adoption
Effect on consolidated financial statements 
Standards adopted in 2025
Income Taxes - Improvements to income tax disclosuresThe standard requires enhanced disclosures in the notes to financial statements including income taxes paid by jurisdiction (federal, state, foreign) and a tabular rate reconciliation between the reported amount of income tax expense (or benefit) and the amount of statutory federal income tax at current rates.December 31, 2025The Company adopted the amended guidance in its consolidated financial statements for the year ended December 31, 2025. Related disclosures are included in note 13.
Standards not yet adopted as of December 31, 2025
Income Statement - Expense disaggregation disclosuresThe standard requires disclosure in the notes to financial statements of specified information about certain cost and expense captions on the income statement.January 1, 2027
(Early adoption permitted)
The Company does not expect the guidance will have a material impact on its consolidated financial statements.
Improvements to the accounting for purchased loansThe standard expands the population of acquired financial assets accounted for using a gross-up approach which records an initial allowance for credit losses through an adjustment to the initial amortized cost basis. Acquired loans (excluding credit cards) are deemed purchased seasoned loans and accounted for using the gross-up approach upon acquisition if criteria established by the new guidance are met. All non-PCD loans (excluding credit cards) that are acquired in a business combination are deemed seasoned.January 1, 2027
(Early adoption permitted)
The Company prospectively adopted the amended guidance effective January 1, 2026. The Company does not expect the guidance will have a material impact on its consolidated financial statements.
Hedge accounting improvementsThe amendment expands the hedged risks permitted to be aggregated in a group of individual forecasted transactions in a cash flow hedge by changing the requirement to designate a group of individual forecasted transactions from having a shared risk exposure to having a similar risk exposure. The amendment also provides a model to facilitate the application of cash flow hedge accounting to forecasted interest payments on variable rate debt instruments that permit the borrower to change the interest rate index. The amendment also modifies certain other hedge accounting rules.January 1, 2027
(Early adoption permitted)
The Company does not expect the guidance will have a material impact on its consolidated financial statements.
Targeted improvements to the accounting for internal-use softwareThe standard eliminates the concept of a software development project stage such that the guidance is agnostic to different software development methods and introduces a new threshold for cost capitalization. The standard also provides factors to consider when determining whether significant development uncertainty exists.January 1, 2028
(Early adoption permitted)
The Company does not expect the guidance will have a material impact on its consolidated financial statements.

Historical Timeline

Fiscal YearFiled
2025Feb 18, 2026Showing above
2024Feb 19, 2025
2023Feb 21, 2024
2022Feb 22, 2023
2021Feb 16, 2022
2020Feb 22, 2021
2019Feb 20, 2020
2018Feb 20, 2019
2017Feb 22, 2018
2016Feb 22, 2017
2015Feb 19, 2016

About New Standards Disclosures

New accounting standards disclosures describe recently adopted pronouncements and those not yet effective, along with management's assessment of their expected impact. This section provides an early warning system for upcoming changes to how a company reports its financial results, often years before the new rules take effect.

Key signals: when management describes a not-yet-adopted standard's impact as "material" or "still being evaluated," it signals potential significant changes to reported metrics upon adoption. Watch for standards that affect a company's core operations — for example, revenue recognition changes for software companies or lease accounting changes for retailers with large store footprints. The transition method chosen (full retrospective versus modified retrospective) affects comparability with prior periods. Companies that delay adoption to the latest permitted date may be struggling with implementation complexity. Compare the disclosed impact assessments against peers in the same industry to gauge whether management's expectations are reasonable.