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Basis of Presentation (Policy)
3 Months Ended
Mar. 31, 2021
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Reclassifications
Reclassifications

Certain amounts reported in prior periods’ consolidated financial statements have been reclassified to conform to the current presentation.
Use of Estimates in the Preparation of Financial Statements
Use of Estimates in the Preparation of Financial Statements

The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities as of the date of the financial statements, and the reported amounts of revenues and expenses. Actual results could differ from those estimates. Material estimates that are particularly susceptible to significant change include the determination of the ACL; determination of fair value for financial instruments; valuation of MSRs; goodwill, intangible assets and other purchase accounting related adjustments; benefit plan obligations and expenses; and tax assets, liabilities, and expense.