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v3.22.1

Subsequent Events (Details) $ / shares in Units, $ in Millions |  |  | 1 Months Ended | 3 Months Ended
--- | --- | --- | --- | ---
May 31, 2022 USD ($) | Apr. 26, 2022 $ / shares shares | May 03, 2022 USD ($) | Mar. 31, 2022 USD ($)
Subsequent Event [Line Items] |  |  |  |
Transferred securities from available for sale to held to maturity |  |  |  | $ 18,700
U.S. Treasury and government agencies |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Transferred securities from available for sale to held to maturity |  |  |  | 9,200
Residential mortgage-backed | Mortgage-backed Securities Agency |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Transferred securities from available for sale to held to maturity |  |  |  | $ 9,500
Subsequent Event |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Transferred securities from available for sale to held to maturity |  |  | $ 50,200 |
Pretax unrealized loss included in AOCI |  |  | $ 3,900 |
Subsequent Event | Senior Notes | Senior Bank Notes Due June 29, 2022 |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Debt instrument, face amount | $ 750 |  |  |
Debt instrument, distribution rate, percentage | 2.875% |  |  |
Debt instrument, redemption ratio | 1 |  |  |
Subsequent Event | Series U Preferred Stock |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Common stock activity (shares) | shares |  | 1,000,000 |  |
Depositary shares conversion ratio |  | 0.01 |  |
Fixed interest rate |  | 6.00% |  |
Preferred stock, par or stated value per share (in dollars per share) | $ / shares |  | $ 1 |  |

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