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Business Combinations - Schedule of Business Acquisitions - SVBB Acquisition (Details) - USD ($) $ in Millions |  | 3 Months Ended | 9 Months Ended
--- | --- | --- | ---
Mar. 27, 2023 | Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022
Liabilities |  |  |  |  |
Preliminary gain on acquisition, before income taxes |  | $ 12 | $ 0 | $ 9,891 | $ 431
SVB |  |  |  |  |
Purchase price consideration |  |  |  |  |
Purchase Money Note | $ 35,808 |  |  |  |
Value Appreciation Instrument | 500 |  |  |  |
Purchase price consideration | 36,308 |  |  |  |
Assets |  |  |  |  |
Cash and due from banks | 1,310 |  |  |  |
Interest-earning deposits at banks | 34,001 |  |  |  |
Investment securities | 385 |  |  |  |
Loans and leases, net of PCD ALLL | 68,468 |  |  |  |
Affordable housing tax credit investments | 1,273 |  |  |  |
Premises and equipment | 308 |  |  |  |
Other assets | 1,564 |  |  |  |
Total assets acquired | 107,539 |  |  |  |
Liabilities |  |  |  |  |
Deposits | 56,014 |  |  |  |
Borrowings | 10 |  |  |  |
Deferred tax liabilities | 3,281 |  |  |  |
Other liabilities | 2,035 |  |  |  |
Total liabilities assumed | 61,340 |  |  |  |
Fair value of net assets acquired | 46,199 |  |  |  |
Preliminary gain on acquisition, after income taxes | 9,891 |  |  |  |
Preliminary gain on acquisition, before income taxes | 13,172 |  |  |  |
Book value of net assets acquired | 52,522 |  |  |  |
Business combination asset acquired, discount | 16,450 |  |  |  |
Purchase Money Note, fair value discount | 264 |  |  |  |
SVB | Core deposit intangibles |  |  |  |  |
Assets |  |  |  |  |
Core deposit intangibles | $ 230 |  |  |  |

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- Definition Amount of currency on hand as well as demand deposits with banks or financial institutions, acquired at the acquisition date. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479907/805-20-50-1 + Details
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