Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Business Combinations - Schedule of Valuation of Core Deposits (Details) - USD ($) $ in Millions	Mar. 27, 2023	Jan. 03, 2022
CIT Group Inc.
Business Acquisition [Line Items]
Fair Value		$ 143
Core deposit intangibles \| SVB
Business Acquisition [Line Items]
Fair Value	$ 230
Estimated Useful Life	8 years
Core deposit intangibles \| CIT Group Inc.
Business Acquisition [Line Items]
Fair Value		$ 143
Estimated Useful Life		10 years