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Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2023
Accounting Policies [Abstract] |
Schedule of Property, Plant and Equipment | Useful lives for premises and equipment are generally estimated as follows:
Premises and Equipment |  | Useful Lives
Buildings and improvements |  | 5-39 years
Furniture and equipment |  | 3-10 years
Computer software |  | 3 years
Leasehold improvements |  | Lesser of the useful life or the remaining lease term
The following table presents our premises and equipment as of December 31, 2023 and 2022. Table 7.1 Components of Premises and Equipment
(Dollars in millions) |  | December 31, 2023 |  | December 31, 2022
Land |  | $ | 305 |  |  | $ | 320 |
Buildings and improvements |  | 4,297 |  |  | 4,345 |
Furniture and equipment |  | 1,800 |  |  | 1,831 |
Computer software |  | 2,863 |  |  | 2,213 |
In progress |  | 291 |  |  | 646 |
Total premises and equipment, gross |  | 9,556 |  |  | 9,355 |
Less: Accumulated depreciation and amortization |  | (5,181) |  |  | (5,004) |
Total premises and equipment, net |  | $ | 4,375 |  |  | $ | 4,351 |

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- Definition Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -SubTopic 10 -Topic 360 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482099/360-10-50-1 + Details
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