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v3.23.1

Investment Securities (Details 2) $ in Millions | Mar. 31, 2023 USD ($) security | Dec. 31, 2022 USD ($) security
--- | --- | ---
Debt Securities, Available-for-sale [Line Items] |  |
Number of securities, less than 12 months | security | 61 | 88
Estimated fair value, less than 12 months | $ 1,503 | $ 4,311
Gross unrealized losses, less than 12 months | $ (14) | $ (83)
Number of securities, 12 months or more | security | 22 | 3
Estimated fair value, 12 months or more | $ 2,153 | $ 52
Gross unrealized losses, more than 12 months | $ (45) | $ (1)
Number of securities, total | security | 83 | 91
Estimated fair value, total | $ 3,656 | $ 4,363
Gross unrealized losses, total | $ (59) | $ (84)
90–100% |  |
Debt Securities, Available-for-sale [Line Items] |  |
Number of securities, less than 12 months | security | 61 | 74
Estimated fair value, less than 12 months | $ 1,503 | $ 4,287
Gross unrealized losses, less than 12 months | $ (14) | $ (74)
Number of securities, 12 months or more | security | 19 | 3
Estimated fair value, 12 months or more | $ 2,137 | $ 52
Gross unrealized losses, more than 12 months | $ (39) | $ (1)
Number of securities, total | security | 80 | 77
Estimated fair value, total | $ 3,640 | $ 4,339
Gross unrealized losses, total | $ (53) | $ (75)
Less than 90% |  |
Debt Securities, Available-for-sale [Line Items] |  |
Number of securities, less than 12 months | security | 0 | 14
Estimated fair value, less than 12 months | $ 0 | $ 24
Gross unrealized losses, less than 12 months | $ 0 | $ (9)
Number of securities, 12 months or more | security | 3 | 0
Estimated fair value, 12 months or more | $ 16 | $ 0
Gross unrealized losses, more than 12 months | $ (6) | $ 0
Number of securities, total | security | 3 | 14
Estimated fair value, total | $ 16 | $ 24
Gross unrealized losses, total | $ (6) | $ (9)

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