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Intangible Assets (Tables) | 12 Months Ended
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Dec. 31, 2023
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Goodwill | Goodwill allocated to each reportable segment (each a reporting unit) at December 31 is presented as follows:
| 2023 |  | 2022
| (In millions)
Corporate Bank | $ | 3,006 |  |  | $ | 3,006 |
Consumer Bank | 2,334 |  |  | 2,334 |
Wealth Management | 393 |  |  | 393 |
| $ | 5,733 |  |  | $ | 5,733 |
Summary Of Other Intangible Assets | The following table presents other identifiable intangible assets and related accumulated amortization as of December 31:
| 2023 |  | 2022 |  | 2023 |  | 2022 |  | 2023 |  | 2022
| Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount
| (In millions)
Core deposit intangibles | $ | 1,011 |  |  | $ | 1,011 |  |  | $ | 1,010 |  |  | $ | 1,006 |  |  | $ | 1 |  |  | $ | 5 |
Purchased credit card relationship assets | 175 |  |  | 175 |  |  | 169 |  |  | 164 |  |  | 6 |  |  | 11 |
Relationship assets (1) | 267 |  |  | 267 |  |  | 90 |  |  | 58 |  |  | 177 |  |  | 209 |
Other—amortizing (2) | 26 |  |  | 26 |  |  | 24 |  |  | 21 |  |  | 2 |  |  | 5 |
Agency commercial real estate licenses (3) | 16 |  |  | 16 |  | — |  |  | — |  |  | 16 |  |  | 16 |
Other—non-amortizing (4) | 3 |  |  | 3 |  | — |  |  | — |  |  | 3 |  |  | 3 |
| $ | 1,498 |  |  | $ | 1,498 |  |  | $ | 1,293 |  |  | $ | 1,249 |  |  | $ | 205 |  |  | $ | 249 |
_________ (1)Includes intangible assets related to broker and contractor origination networks, vendor networks, and customer relationships. (2)Includes intangible assets primarily related to acquired trust services, trade names, intellectual property, and employee agreements. (3)Includes a DUS license acquired in 2014 and commercial real estate licenses acquired in 2021 that are non-amortizing intangible assets. In 2022, an immaterial purchase accounting adjustment resulted in an update to commercial real estate licenses. Refer to Note 6 for additional information related to the DUS license. (4)Includes non-amortizing intangible assets related to other acquired trust services.
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense | The aggregate amount of amortization expense for amortizing intangible assets is estimated as follows:
| Year Ended December 31
| (In millions)
2024 | $ | 36 |
2025 | 30 |
2026 | 25 |
2027 | 21 |
2028 | 18 |

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