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Investment Securities - Schedule Of Amortized Cost And Fair Value By Contractual Maturity (Details) - USD ($) $ in Millions | Sep. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Amortized Cost |  |
Within 1 year | $ 0 |
After 1 year through 5 years | 0 |
After 5 years through 10 years | 0 |
After 10 years | 0 |
Subtotal | 0 |
Government agency issued MBS and CMO | 1,385 |
Total | 1,385 |
Fair Value |  |
Within 1 year | 0 |
After 1 year through 5 years | 0 |
After 5 years through 10 years | 0 |
After 10 years | 0 |
Subtotal | 0 |
Government agency issued MBS and CMO | 1,222 |
Fair Value | 1,222 | $ 705
Amortized Cost |  |
Within 1 year | 45 |
After 1 year through 5 years | 117 |
After 5 years through 10 years | 397 |
After 10 years | 1,301 |
Subtotal | 1,860 |
Government agency issued MBS and CMO | 8,232 |
Securities available for sale, amortized cost | 10,092 |
Fair Value |  |
Within 1 year | 45 |
After 1 year through 5 years | 110 |
After 5 years through 10 years | 351 |
After 10 years | 1,107 |
Subtotal | 1,613 |
Government agency issued MBS and CMO | 7,105 |
Securities available-for-sale | $ 8,718 | $ 8,707

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