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Intangible Assets (Tables)
3 Months Ended
Mar. 31, 2024
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Finite-Lived Intangible Assets
At March 31, 2024, intangible assets consisted of the following:

March 31, 2024December 31, 2023
(in millions)Gross Carrying AmountAccumulated AmortizationNet Carrying ValueGross Carrying AmountAccumulated AmortizationNet Carrying Value
Core deposit intangible$700 $(143)$557 $700 $(113)$587 
Other intangible assets56(23)3356(18)38
Total other intangible assets$756 $(166)$590 $756 $(131)$625 
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense
The estimated amortization expense of CDI and other intangible assets for the next five years is as follows:

(in millions)Amortization Expense
2024$97 
2025107 
202694 
202781 
202867 
Total$446