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Securities - Summary of Amortized Cost of Available-for-Sale Securities by Contractual Maturity (Details) - USD ($) $ in Millions | Sep. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Available-for-Sale Debt Securities: |  |  |
Due within one year, fair value |  | $ 1,701 |
Due from one to five years, fair value |  | 807 |
Due from five to ten years, fair value |  | 1,544 |
Due after ten years, fair value |  | 2,637 |
Fair Value |  | 6,689 | $ 5,780
Mortgage-Related Securities |  |  |
Available-for-Sale Debt Securities: |  |  |
Due within one year |  | 4 |
Due from one to five years |  | 143 |
Due from five to ten years |  | 219 |
Due after ten years |  | 2,311 |
Amortized Cost |  | 2,677 |
U.S. Government and GSE obligations |  |  |
Available-for-Sale Debt Securities: |  |  |
Due within one year |  | 1,677 |
Due from one to five years |  | 247 |
Due from five to ten years |  | 1,077 |
Due after ten years |  | 425 |
Amortized Cost |  | 3,426 |
State, County, and Municipal |  |  |
Available-for-Sale Debt Securities: |  |  |
Due from five to ten years |  | 18 |
Amortized Cost |  | 18 |
Other Debt Securities |  |  |
Available-for-Sale Debt Securities: |  |  |
Due within one year | [1] | 25 |
Due from one to five years | [1] | 428 |
Due from five to ten years | [1] | 527 |
Due after ten years | [1] | 426 |
Amortized Cost | [1] | $ 1,406 |
[1] | Includes corporate bonds, capital trust notes, foreign notes and asset-backed securities.

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