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Basis of Presentation and Accounting Policies | 6 Months Ended
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Jun. 30, 2022
Accounting Policies [Abstract] |
Basis of Presentation and Accounting Policies | BASIS OF PRESENTATION AND ACCOUNTING POLICIES Organization The accompanying unaudited consolidated financial statements were prepared in accordance with United States (U.S.) generally accepted accounting principles (GAAP) for interim financial information and with the instructions to Form 10-Q and Article 10 of Regulation S-X. Accordingly, the statements do not include all of the information and footnotes required by GAAP for complete financial statements. In the opinion of management, all adjustments (consisting of normal recurring accruals) considered necessary for a fair presentation were included. The results of operations for the six months ended June 30, 2022 are not necessarily indicative of the results that may be expected for the year ending December 31, 2022. Certain items in prior periods were reclassified to conform to the current presentation. For further information, refer to the consolidated financial statements and footnotes thereto included in the Annual Report of Comerica Incorporated and Subsidiaries (the Corporation) on Form 10-K for the year ended December 31, 2021. Recently Issued Accounting Pronouncements In March 2022, the FASB issued ASU No. 2022-02, “Financial Instruments - Credit Losses (Topic 326): Troubled Debt Restructuring and Vintage Disclosures” (ASU 2022-02), which eliminates the accounting for troubled debt restructuring (TDR) while expanding modification and vintage disclosure requirements. Under the previous guidance, a TDR occurs when a loan to a borrower experiencing financial difficulty is restructured with a concession provided that a creditor would not otherwise consider. ASU 2022-02 removes the TDR accounting model, instead requiring modifications to apply existing refinancing and restructuring guidance. The update also requires additional disclosures on the nature, magnitude and subsequent performance of certain types of modifications with borrowers experiencing financial difficulties. ASU 2022-02 further included a requirement to disclose gross charge-offs incurred by year of origination of the related loan or lease. ASU 2022-02 is effective for the Corporation on January 1, 2023, and must be applied prospectively, except that the recognition and measurement of TDRs may be applied using a modified retrospective approach. Early adoption is permitted. The Corporation is evaluating the impact of the new guidance to its disclosures but does not expect there to be a material impact on its financial condition or results of operation.

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- Definition The entire disclosure for the basis of presentation and significant accounting policies concepts. Basis of presentation describes the underlying basis used to prepare the financial statements (for example, US Generally Accepted Accounting Principles, Other Comprehensive Basis of Accounting, IFRS). Accounting policies describe all significant accounting policies of the reporting entity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -URI https://asc.fasb.org/topic&trid=2122369 + Details
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