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v3.23.3

Shareholders' Equity (Narrative) (Details) - USD ($) $ / shares in Units, shares in Millions | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022 | Dec. 31, 2022
Business Acquisition Equity Interests Issued Or Issuable [Line Items] |  |  |  |  |
Number of shares authorized to be repurchased | 4.2 |  | 4.2 |  |
Purchase of treasury stock | $ 118,800,000 | $ 0 | $ 300,200,000 | $ 30,700,000 |
Treasury stock acquired, Shares, | 1.9 |  | 4.8 | 0.5 |
Treasury Stock Acquired, Average Cost Per Share | $ 63 |  | $ 62.14 | $ 60.68 |
Preferred stock, par value | $ 1 | $ 1 | $ 1 | $ 1 | $ 1
Business Bancshares, Inc. [Member] |  |  |  |  |
Business Acquisition Equity Interests Issued Or Issuable [Line Items] |  |  |  |  |
Common stock reissued |  |  | 2.6 |  |

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