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Goodwill and Core Deposit Intangibles - Schedule of Changes in Core Deposit Intangibles (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 27, 2023
Mar. 31, 2023
Mar. 31, 2022
Finite-lived Intangible Assets [Roll Forward]      
Amortization for the period   $ 5 $ 6
Core Deposits      
Finite-lived Intangible Assets [Roll Forward]      
Core deposit intangibles, beginning balance   140  
Amortization for the period   (6)  
Core deposit intangibles, ending balance   364  
Core Deposits | SVB      
Finite-lived Intangible Assets [Roll Forward]      
Core deposit intangibles related to the SVBB Acquisition $ 230 $ 230