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Investment Securities - Contractual Maturities and Weighted-Average Yields of Securities (Details) - USD ($) $ in Millions | 9 Months Ended |
--- | --- | ---
Sep. 30, 2025 | Dec. 31, 2024
Fair value of securities available for sale: |  |
Due in 1 Year or Less | $ 3,758 |
Due > 1 Year through 5 Years | 9,009 |
Due > 5 Years through 10 Years | 7,458 |
Due > 10 Years | 69,508 |
Total | 89,733 | $ 83,013
Amortized cost of securities available for sale |  |
Due in 1 Year or Less | 3,761 |
Due > 1 Year through 5 Years | 9,071 |
Due > 5 Years through 10 Years | 7,641 |
Due > 10 Years | 76,466 |
Total | $ 96,939 | 92,995
Weighted-average yield for securities available for sale |  |
Due in 1 Year or Less | 4.24% |
Due > 1 Year through 5 Years | 3.77% |
Due > 5 Years through 10 Years | 4.09% |
Due > 10 Years | 3.93% |
Total | 3.94% |
U.S. Treasury securities |  |
Fair value of securities available for sale: |  |
Due in 1 Year or Less | $ 2,447 |
Due > 1 Year through 5 Years | 2,390 |
Due > 5 Years through 10 Years | 3,800 |
Due > 10 Years | 0 |
Total | 8,637 | 6,110
Amortized cost of securities available for sale |  |
Total | 8,613 | 6,114
RMBS, Agency |  |
Fair value of securities available for sale: |  |
Due in 1 Year or Less | 4 |
Due > 1 Year through 5 Years | 123 |
Due > 5 Years through 10 Years | 1,135 |
Due > 10 Years | 67,035 |
Total | 68,297 | 64,707
Amortized cost of securities available for sale |  |
Total | 75,246 | 74,177
RMBS, Non-agency |  |
Fair value of securities available for sale: |  |
Due in 1 Year or Less | 0 |
Due > 1 Year through 5 Years | 0 |
Due > 5 Years through 10 Years | 31 |
Due > 10 Years | 571 |
Total | 602 | 621
Amortized cost of securities available for sale |  |
Total | 536 | 567
Total RMBS |  |
Fair value of securities available for sale: |  |
Due in 1 Year or Less | 4 |
Due > 1 Year through 5 Years | 123 |
Due > 5 Years through 10 Years | 1,166 |
Due > 10 Years | 67,606 |
Total | 68,899 | 65,328
Amortized cost of securities available for sale |  |
Total | $ 75,782 | 74,744
Weighted-average yield for securities available for sale |  |
Weighted-average expected life | 8 years |
Agency CMBS |  |
Fair value of securities available for sale: |  |
Due in 1 Year or Less | $ 1,156 |
Due > 1 Year through 5 Years | 2,957 |
Due > 5 Years through 10 Years | 2,492 |
Due > 10 Years | 1,835 |
Total | 8,440 | 7,825
Amortized cost of securities available for sale |  |
Total | $ 8,795 | 8,389
Weighted-average yield for securities available for sale |  |
Weighted-average expected life | 4 years 3 months 18 days |
Other securities |  |
Fair value of securities available for sale: |  |
Due in 1 Year or Less | $ 151 |
Due > 1 Year through 5 Years | 3,539 |
Due > 5 Years through 10 Years | 0 |
Due > 10 Years | 67 |
Total | 3,757 | 3,750
Amortized cost of securities available for sale |  |
Total | $ 3,749 | $ 3,748

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