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Investment Securities - Contractual Maturities and Weighted-Average Yields of Securities (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2023 | Dec. 31, 2022
Fair value of securities available for sale: |  |
Due in 1 Year or Less | $ 2,469 |
Due > 1 Year through 5 Years | 7,651 |
Due > 5 Years through 10 Years | 4,656 |
Due > 10 Years | 64,341 |
Total | 79,117 | $ 76,919
Amortized cost of securities available for sale |  |
Due in 1 Year or Less | 2,491 |
Due > 1 Year through 5 Years | 7,840 |
Due > 5 Years through 10 Years | 5,038 |
Due > 10 Years | 72,694 |
Total | $ 88,063 | 87,047
Weighted-average yield for securities available for sale |  |
Due in 1 Year or Less | 3.71% |
Due > 1 Year through 5 Years | 4.04% |
Due > 5 Years through 10 Years | 3.45% |
Due > 10 Years | 2.92% |
Total | 3.08% |
U.S. Treasury securities |  |
Fair value of securities available for sale: |  |
Due in 1 Year or Less | $ 1,927 |
Due > 1 Year through 5 Years | 3,355 |
Due > 5 Years through 10 Years | 0 |
Due > 10 Years | 0 |
Total | 5,282 | 5,041
Amortized cost of securities available for sale |  |
Total | 5,330 | 5,129
RMBS, Agency |  |
Fair value of securities available for sale: |  |
Due in 1 Year or Less | 1 |
Due > 1 Year through 5 Years | 107 |
Due > 5 Years through 10 Years | 1,123 |
Due > 10 Years | 61,717 |
Total | 62,948 | 61,852
Amortized cost of securities available for sale |  |
Total | 71,294 | 71,212
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 | 5 |
Due > 10 Years | 685 |
Total | 690 | 737
Amortized cost of securities available for sale |  |
Total | 610 | 653
Total RMBS |  |
Fair value of securities available for sale: |  |
Due in 1 Year or Less | 1 |
Due > 1 Year through 5 Years | 107 |
Due > 5 Years through 10 Years | 1,128 |
Due > 10 Years | 62,402 |
Total | 63,638 | 62,589
Amortized cost of securities available for sale |  |
Total | $ 71,904 | 71,865
Weighted-average yield for securities available for sale |  |
Weighted-average expected life | 6 years 9 months 18 days |
Agency CMBS |  |
Fair value of securities available for sale: |  |
Due in 1 Year or Less | $ 259 |
Due > 1 Year through 5 Years | 2,623 |
Due > 5 Years through 10 Years | 3,502 |
Due > 10 Years | 1,939 |
Total | 8,323 | 7,870
Amortized cost of securities available for sale |  |
Total | $ 8,961 | 8,626
Weighted-average yield for securities available for sale |  |
Weighted-average expected life | 4 years 7 months 6 days |
Other securities |  |
Fair value of securities available for sale: |  |
Due in 1 Year or Less | $ 282 |
Due > 1 Year through 5 Years | 1,566 |
Due > 5 Years through 10 Years | 26 |
Due > 10 Years | 0 |
Total | 1,874 | 1,419
Amortized cost of securities available for sale |  |
Total | $ 1,868 | $ 1,427

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