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Business Combinations - Preliminary Allocation (Details) - USD ($) $ in Millions |  |  | 6 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Mar. 20, 2023 | Mar. 19, 2023 | Jun. 30, 2024 | Dec. 31, 2023
Fair value of liabilities assumed: |  |  |  |
Bargain purchase gain |  |  |  | $ 2,000
Signature Bridge Bank |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Purchase Price consideration | $ 85 |  |  |
Fair value of assets acquired: |  |  |  |
Cash & cash equivalents | 24,901 |  |  |
Loans held for sale | 232 |  |  |
Total loans held for investment | 11,741 |  |  |
CDI and other intangible assets | 464 |  |  |
Other assets | 413 |  |  |
Total assets acquired | 37,751 |  |  |
Fair value of liabilities assumed: |  |  |  |
Deposits | 33,507 |  |  |
Other liabilities | 2,149 |  |  |
Total liabilities assumed | 35,656 |  |  |
Fair value of net identifiable assets | 2,095 |  |  |
Bargain purchase gain | 2,010 | $ 2,010 |  |
Signature Bridge Bank | Previously Reported |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Purchase Price consideration | 85 |  |  |
Fair value of assets acquired: |  |  |  |
Cash & cash equivalents | 25,043 |  |  |
Loans held for sale | 232 |  |  |
Total loans held for investment | 12,218 |  |  |
CDI and other intangible assets | 464 |  |  |
Other assets | 679 |  |  |
Total assets acquired | 38,636 |  |  |
Fair value of liabilities assumed: |  |  |  |
Deposits | 33,568 |  |  |
Other liabilities | 2,982 |  |  |
Total liabilities assumed | 36,550 |  |  |
Fair value of net identifiable assets | 2,086 |  |  |
Bargain purchase gain | 2,001 |  |  |
Signature Bridge Bank | Restatement Adjustment |  |  |  |
Fair value of assets acquired: |  |  |  |
Cash & cash equivalents |  |  | $ (142) |
Total loans held for investment | (477) |  |  |
CDI and other intangible assets | 0 |  |  |
Other assets | (266) |  |  |
Total assets acquired | (885) |  |  |
Fair value of liabilities assumed: |  |  |  |
Deposits | (61) |  |  |
Other liabilities | (833) |  |  |
Total liabilities assumed | (894) |  |  |
Fair value of net identifiable assets | 9 |  |  |
Bargain purchase gain | 9 |  |  |
Signature Bridge Bank | Commercial and industrial |  |  |  |
Fair value of assets acquired: |  |  |  |
Total loans held for investment | 9,888 |  |  |
Signature Bridge Bank | Commercial and industrial | Previously Reported |  |  |  |
Fair value of assets acquired: |  |  |  |
Total loans held for investment | 10,102 |  |  |
Signature Bridge Bank | Commercial and industrial | Restatement Adjustment |  |  |  |
Fair value of assets acquired: |  |  |  |
Total loans held for investment | (214) |  |  |
Signature Bridge Bank | Commercial real estate |  |  |  |
Fair value of assets acquired: |  |  |  |
Total loans held for investment | 1,680 |  |  |
Signature Bridge Bank | Commercial real estate | Previously Reported |  |  |  |
Fair value of assets acquired: |  |  |  |
Total loans held for investment | 1,942 |  |  |
Signature Bridge Bank | Commercial real estate | Restatement Adjustment |  |  |  |
Fair value of assets acquired: |  |  |  |
Total loans held for investment | (262) |  |  |
Signature Bridge Bank | Consumer and other |  |  |  |
Fair value of assets acquired: |  |  |  |
Total loans held for investment | 173 |  |  |
Signature Bridge Bank | Consumer and other | Previously Reported |  |  |  |
Fair value of assets acquired: |  |  |  |
Total loans held for investment | 174 |  |  |
Signature Bridge Bank | Consumer and other | Restatement Adjustment |  |  |  |
Fair value of assets acquired: |  |  |  |
Total loans held for investment | $ (1) |  |  |

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