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INVESTMENTS - Fair Value of AFS Securities (Details) - USD ($) $ in Millions | Sep. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Fair value |  |
Less than 12 months | $ 79,670 | $ 82,905
12 months or longer | 27,540 | 33,848
Total | 107,210 | 116,753
Gross unrealized losses |  |
Less than 12 months | 555 | 1,037
12 months or longer | 1,044 | 1,495
Total | 1,599 | 2,532
Commercial and other |  |
Fair value |  |
Less than 12 months | 0 | 0
12 months or longer | 1 | 1
Total | 1 | 1
Gross unrealized losses |  |
Less than 12 months | 0 | 0
12 months or longer | 0 | 0
Total | 0 | 0
U.S. government-sponsored agency guaranteed |  |
Fair value |  |
Less than 12 months | 17,579 | 16,690
12 months or longer | 9,345 | 8,484
Total | 26,924 | 25,174
Gross unrealized losses |  |
Less than 12 months | 219 | 255
12 months or longer | 544 | 687
Total | 763 | 942
Residential |  |
Fair value |  |
Less than 12 months | 31 | 375
12 months or longer | 481 | 216
Total | 512 | 591
Gross unrealized losses |  |
Less than 12 months | 0 | 1
12 months or longer | 1 | 1
Total | 1 | 2
Mortgage-backed securities |  |
Fair value |  |
Less than 12 months | 17,610 | 17,065
12 months or longer | 9,827 | 8,701
Total | 27,437 | 25,766
Gross unrealized losses |  |
Less than 12 months | 219 | 256
12 months or longer | 545 | 688
Total | 764 | 944
U.S. Treasury |  |
Fair value |  |
Less than 12 months | 14,391 | 13,660
12 months or longer | 1,507 | 1,710
Total | 15,898 | 15,370
Gross unrealized losses |  |
Less than 12 months | 58 | 166
12 months or longer | 56 | 98
Total | 114 | 264
U.S. Treasury and federal agency securities |  |
Fair value |  |
Less than 12 months | 14,391 | 13,660
12 months or longer | 1,507 | 1,710
Total | 15,898 | 15,370
Gross unrealized losses |  |
Less than 12 months | 58 | 166
12 months or longer | 56 | 98
Total | 114 | 264
State and municipal |  |
Fair value |  |
Less than 12 months | 644 | 855
12 months or longer | 582 | 335
Total | 1,226 | 1,190
Gross unrealized losses |  |
Less than 12 months | 25 | 72
12 months or longer | 48 | 31
Total | 73 | 103
Foreign government |  |
Fair value |  |
Less than 12 months | 45,850 | 49,384
12 months or longer | 13,947 | 19,719
Total | 59,797 | 69,103
Gross unrealized losses |  |
Less than 12 months | 223 | 487
12 months or longer | 353 | 600
Total | 576 | 1,087
Corporate |  |
Fair value |  |
Less than 12 months | 416 | 455
12 months or longer | 1,557 | 2,444
Total | 1,973 | 2,899
Gross unrealized losses |  |
Less than 12 months | 28 | 45
12 months or longer | 42 | 77
Total | 70 | 122
Asset-backed securities |  |
Fair value |  |
Less than 12 months | 299 | 388
12 months or longer | 0 | 0
Total | 299 | 388
Gross unrealized losses |  |
Less than 12 months | 2 | 11
12 months or longer | 0 | 0
Total | 2 | 11
Other debt securities |  |
Fair value |  |
Less than 12 months | 460 | 1,098
12 months or longer | 120 | 939
Total | 580 | 2,037
Gross unrealized losses |  |
Less than 12 months | 0 | 0
12 months or longer | 0 | 1
Total | $ 0 | $ 1

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