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v3.23.1

Business Combinations - Narrative (Details) $ / shares in Units, $ in Millions |  |  | 3 Months Ended |
--- | --- | --- | --- | ---
Mar. 27, 2023 USD ($) $ / shares | Jan. 03, 2022 USD ($) $ / shares shares | Mar. 31, 2023 USD ($) $ / shares | Mar. 31, 2022 USD ($) | Dec. 31, 2022 $ / shares
Business Acquisition [Line Items] |  |  |  |  |
Net interest income |  |  | $ 850 | $ 649 |
Noninterest income |  |  | 10,259 | 850 |
Net income |  |  | 9,518 | 271 |
Gain on acquisition |  |  | 9,824 | 431 |
Operating Segments | Silicon Valley Banking |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Net interest income |  |  | 65 | 0 |
Noninterest income |  |  | 14 | 0 |
Net income |  |  | $ 35 | $ 0 |
SVB |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Total assets acquired | $ 106,600 |  |  |  |
Loans and leases | 68,503 |  |  |  |
Cash and interest-earning deposits at banks | 35,280 |  |  |  |
Total liabilities assumed | 61,126 |  |  |  |
Deposits | 55,959 |  |  |  |
Assets acquired, discount | 16,450 |  |  |  |
Business combination, consideration transferred, liabilities incurred | 35,150 |  |  |  |
Cash settled value appreciation instrument issued and issuable, base amount | $ 5 |  |  |  |
Number of trading days | 2 days |  |  |  |
Cash settled value appreciation instrument, threshold amount | $ / shares | $ 582.55 |  |  |  |
Cash settled value appreciation instrument, maximum amount | $ 500 |  |  |  |
Payment to acquire business, value appreciation instrument exercised | 500 |  |  |  |
Business combination, financing receivable acquired, amount covered by share-loss agreement | $ 60,000 |  |  |  |
Business combination, financing receivable acquired, amount covered by share-loss agreement, coverage percentage for loss up to $5 billion | 0.00% |  |  |  |
Business combination, financing receivable acquired, amount covered by share-loss agreement, coverage percentage for loss in excess of $5 billion | $ 5,000 |  |  |  |
Business combination, financing receivable acquired, above threshold amount covered by share-loss agreement, percentage | 50.00% |  |  |  |
Share-Loss Agreement, reimbursement percentage | 50.00% |  |  |  |
Share-Loss Agreement, term | 5 years |  |  |  |
Share-Loss Agreement, reimbursement term | 8 years |  |  |  |
Share-Loss Agreement, true-up payment term | 45 days |  |  |  |
True-up amount | $ 1,500 |  |  |  |
Preliminary gain on acquisition, after income taxes | 9,824 |  |  |  |
Initial PCD ACL | (200) |  |  |  |
Business combination asset acquired, discount | 16,450 |  |  |  |
Gain on acquisition | $ 13,134 |  |  |  |
SVB | FDIC Credit Facility |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Debt instrument, term | 5 years |  |  |  |
FDIC advances, maximum amount available | $ 70,000 |  |  |  |
FHLB, advances, interest rate | 0.00% |  |  |  |
SVB | Secured Debt | FDIC Credit Facility | Secured Overnight Financing Rate (SOFR) |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Basis spread on variable rate | 0.25% |  |  |  |
SVB | Purchase Money Note | Secured Debt |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Debt instrument, term | 5 years |  |  |  |
Business combination, consideration transferred, liabilities incurred | $ 35,000 |  |  |  |
Debt instrument, stated interest rate | 3.50% |  |  |  |
CIT Group Inc. |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Total assets acquired |  | $ 53,775 |  |  |
Loans and leases |  | 32,714 |  |  |
Cash and interest-earning deposits at banks |  | 3,060 |  |  |
Total liabilities assumed |  | 47,392 |  |  |
Deposits |  | 39,428 |  |  |
Gain on acquisition |  | $ 431 |  |  |
Class A Common Stock |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Common stock, par value (in dollars per share) | $ / shares |  |  | $ 1 |  | $ 1
Class A Common Stock | CIT Group Inc. |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Common stock, terms of conversion, conversion ratio |  | 0.062 |  |  |
Business acquisition, equity interest Issued or issuable (in shares) | shares |  | 6,140,010 |  |  |
CIT Group Inc. |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Common stock, par value (in dollars per share) | $ / shares |  | $ 0.01 |  |  |

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