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Securities - Schedule of Securities by Maturity (Details) - USD ($) $ in Millions | Jun. 30, 2026 | Dec. 31, 2025
--- | --- | ---
Securities Available for Sale, Amortized Cost |  |
Due in one year or less | $ 3,347 |
Due after one through five years | 9,715 |
Due after five through ten years | 22,458 |
Due after ten years | 5,484 |
Total | 41,004 |
Securities Available for Sale, Fair Value |  |
Due in one year or less | 3,351 |
Due after one through five years | 9,311 |
Due after five through ten years | 20,670 |
Due after ten years | 5,127 |
Total | 38,459 | $ 39,596
Held-to-Maturity Securities, Amortized Cost |  |
Due in one year or less | 290 |
Due after one through five years | 2,074 |
Due after five through ten years | 6,247 |
Due after ten years | 904 |
Amortized Cost | 9,515 | 8,622
Held-to-Maturity Securities, Fair Value |  |
Due in one year or less | 286 |
Due after one through five years | 2,007 |
Due after five through ten years | 6,048 |
Due after ten years | 783 |
Total | $ 9,124 | $ 8,313

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