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Intangible Assets | 3 Months Ended
--- | ---
Mar. 31, 2024
Goodwill and Intangible Assets Disclosure [Abstract] |
Intangible Assets | Intangible Assets Finite-lived Intangible Assets At March 31, 2024, intangible assets consisted of the following:
| March 31, 2024 |  | December 31, 2023
(in millions) | Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Value |  | Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Value
Core deposit intangible | $ | 700 |  |  | $ | (143) |  |  | $ | 557 |  |  | $ | 700 |  |  | $ | (113) |  |  | $ | 587 |
Other intangible assets | 56 |  | (23) |  | 33 |  | 56 |  | (18) |  |  | 38
Total other intangible assets | $ | 756 |  |  | $ | (166) |  |  | $ | 590 |  |  | $ | 756 |  |  | $ | (131) |  |  | $ | 625 |
As of March 31, 2024 the weighted average amortization period for core deposit intangible and other intangible assets is 10 years and 5.1 years, respectively. The estimated amortization expense of CDI and other intangible assets for the next five years is as follows:
(in millions) | Amortization Expense
2024 | $ | 97 |
2025 | 107 |
2026 | 94 |
2027 | 81 |
2028 | 67 |
Total | $ | 446 |

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- Definition The entire disclosure for all or part of the information related to intangible assets. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org//350-30/tableOfContent + Details
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