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Premises, Equipment and Leasehold Improvements (Tables) | 12 Months Ended
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Dec. 31, 2023
Property, Plant and Equipment [Abstract] |
Premises, Equipment and Leasehold Improvements | Premises, equipment and leasehold improvements, stated at cost less accumulated depreciation and amortization, were as follows: Table 66: Premises, Equipment and Leasehold Improvements
In millions | December 31, 2023 |  | December 31, 2022 |
Premises, equipment and leasehold improvements | $ | 18,358 |  |  | $ | 17,769 |  |
Accumulated depreciation and amortization | (9,841) |  |  | (9,015) |  |
Net book value | $ | 8,517 |  |  | $ | 8,754 |  |
Depreciation And Amortization Expense | Table 67: Depreciation and Amortization Expense
Year ended December 31 In millions | 2023 |  | 2022 |  | 2021 |
Depreciation | $ | 900 |  |  | $ | 899 |  |  | $ | 844 |  |
Amortization | 138 |  |  | 130 |  |  | 122 |  |
Total depreciation and amortization | $ | 1,038 |  |  | $ | 1,029 |  |  | $ | 966 |  |

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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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