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Premises, Equipment and Leasehold Improvements | 12 Months Ended
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Dec. 31, 2023
Property, Plant and Equipment [Abstract] |
Premises, Equipment and Leasehold Improvement | PREMISES, E QUIPMENT AND L EASEHOLD I MPROVEMENTS 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 expense on premises, equipment and leasehold improvements, as well as amortization expense, excluding intangible assets, primarily for capitalized internally developed software are shown in the following table: 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 The entire disclosure for long-lived, physical asset used in normal conduct of business and not intended for resale. Includes, but is not limited to, work of art, historical treasure, and similar asset classified as collections. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 360 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org//360/tableOfContent Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Section 50 -Paragraph 6 -SubTopic 360 -Topic 958 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480321/958-360-50-6 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d) -SubTopic 360 -Topic 958 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480321/958-360-50-1 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Section 50 -Paragraph 7 -SubTopic 360 -Topic 958 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480321/958-360-50-7 + Details
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