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INVESTMENT SECURITIES - Schedule of Investment Securities Classified as Current and Long-Term (Details) - USD ($) $ in Millions | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Investment Securities, Available-for-sale Amortized Cost to Fair Value |  |
Amortized Cost | $ 20,018 | $ 18,302
Gross Unrealized Gains | 26 | 34
Gross Unrealized Losses | (1,409) | (1,328)
Fair Value | 18,635 | 17,008
U.S. Treasury and agency obligations |  |
Investment Securities, Available-for-sale Amortized Cost to Fair Value |  |
Amortized Cost | 3,336 | 2,717
Gross Unrealized Gains | 1 | 1
Gross Unrealized Losses | (110) | (51)
Fair Value | 3,227 | 2,667
Mortgage-backed securities |  |
Investment Securities, Available-for-sale Amortized Cost to Fair Value |  |
Amortized Cost | 4,504 | 3,946
Gross Unrealized Gains | 0 | 1
Gross Unrealized Losses | (509) | (425)
Fair Value | 3,995 | 3,522
Tax-exempt municipal securities |  |
Investment Securities, Available-for-sale Amortized Cost to Fair Value |  |
Amortized Cost | 548 | 879
Gross Unrealized Gains | 0 | 1
Gross Unrealized Losses | (22) | (22)
Fair Value | 526 | 858
Residential |  |
Investment Securities, Available-for-sale Amortized Cost to Fair Value |  |
Amortized Cost | 586 | 465
Gross Unrealized Gains | 0 | 1
Gross Unrealized Losses | (64) | (66)
Fair Value | 522 | 400
Commercial |  |
Investment Securities, Available-for-sale Amortized Cost to Fair Value |  |
Amortized Cost | 1,290 | 1,471
Gross Unrealized Gains | 1 | 0
Gross Unrealized Losses | (85) | (126)
Fair Value | 1,206 | 1,345
Asset-backed securities |  |
Investment Securities, Available-for-sale Amortized Cost to Fair Value |  |
Amortized Cost | 1,424 | 1,813
Gross Unrealized Gains | 3 | 2
Gross Unrealized Losses | (24) | (44)
Fair Value | 1,403 | 1,771
Corporate debt securities |  |
Investment Securities, Available-for-sale Amortized Cost to Fair Value |  |
Amortized Cost | 8,330 | 7,011
Gross Unrealized Gains | 21 | 28
Gross Unrealized Losses | (595) | (594)
Fair Value | $ 7,756 | $ 6,445

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