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INVESTMENT SECURITIES - Schedule of Investment Securities Classified as Current and Long-Term (Details) - USD ($) $ in Millions | Mar. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Investment Securities, Available-for-sale Amortized Cost to Fair Value |  |
Amortized Cost | $ 19,425 | $ 20,018
Gross Unrealized Gains | 36 | 26
Gross Unrealized Losses | (1,163) | (1,409)
Fair Value | 18,298 | 18,635
U.S. Treasury and agency obligations |  |
Investment Securities, Available-for-sale Amortized Cost to Fair Value |  |
Amortized Cost | 3,058 | 3,336
Gross Unrealized Gains | 2 | 1
Gross Unrealized Losses | (61) | (110)
Fair Value | 2,999 | 3,227
Mortgage-backed securities |  |
Investment Securities, Available-for-sale Amortized Cost to Fair Value |  |
Amortized Cost | 4,399 | 4,504
Gross Unrealized Gains | 2 | 0
Gross Unrealized Losses | (428) | (509)
Fair Value | 3,973 | 3,995
Tax-exempt municipal securities |  |
Investment Securities, Available-for-sale Amortized Cost to Fair Value |  |
Amortized Cost | 521 | 548
Gross Unrealized Gains | 0 | 0
Gross Unrealized Losses | (24) | (22)
Fair Value | 497 | 526
Residential |  |
Investment Securities, Available-for-sale Amortized Cost to Fair Value |  |
Amortized Cost | 599 | 586
Gross Unrealized Gains | 1 | 0
Gross Unrealized Losses | (55) | (64)
Fair Value | 545 | 522
Commercial |  |
Investment Securities, Available-for-sale Amortized Cost to Fair Value |  |
Amortized Cost | 1,226 | 1,290
Gross Unrealized Gains | 1 | 1
Gross Unrealized Losses | (72) | (85)
Fair Value | 1,155 | 1,206
Asset-backed securities |  |
Investment Securities, Available-for-sale Amortized Cost to Fair Value |  |
Amortized Cost | 1,367 | 1,424
Gross Unrealized Gains | 5 | 3
Gross Unrealized Losses | (18) | (24)
Fair Value | 1,354 | 1,403
Corporate debt securities |  |
Investment Securities, Available-for-sale Amortized Cost to Fair Value |  |
Amortized Cost | 8,255 | 8,330
Gross Unrealized Gains | 25 | 21
Gross Unrealized Losses | (505) | (595)
Fair Value | $ 7,775 | $ 7,756

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