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INVESTMENT SECURITIES - Schedule of Investment Securities Classified as Current and Long-Term (Details) - USD ($) $ in Millions | Jun. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Investment Securities, Available-for-sale Amortized Cost to Fair Value |  |
Amortized Cost | $ 19,114 | $ 20,018
Gross Unrealized Gains | 52 | 26
Gross Unrealized Losses | (1,067) | (1,409)
Fair Value | 18,099 | 18,635
U.S. Treasury and agency obligations |  |
Investment Securities, Available-for-sale Amortized Cost to Fair Value |  |
Amortized Cost | 3,104 | 3,336
Gross Unrealized Gains | 3 | 1
Gross Unrealized Losses | (49) | (110)
Fair Value | 3,058 | 3,227
Mortgage-backed securities |  |
Investment Securities, Available-for-sale Amortized Cost to Fair Value |  |
Amortized Cost | 4,434 | 4,504
Gross Unrealized Gains | 4 | 0
Gross Unrealized Losses | (421) | (509)
Fair Value | 4,017 | 3,995
Tax-exempt municipal securities |  |
Investment Securities, Available-for-sale Amortized Cost to Fair Value |  |
Amortized Cost | 488 | 548
Gross Unrealized Gains | 0 | 0
Gross Unrealized Losses | (24) | (22)
Fair Value | 464 | 526
Residential |  |
Investment Securities, Available-for-sale Amortized Cost to Fair Value |  |
Amortized Cost | 589 | 586
Gross Unrealized Gains | 1 | 0
Gross Unrealized Losses | (54) | (64)
Fair Value | 536 | 522
Commercial |  |
Investment Securities, Available-for-sale Amortized Cost to Fair Value |  |
Amortized Cost | 1,113 | 1,290
Gross Unrealized Gains | 1 | 1
Gross Unrealized Losses | (61) | (85)
Fair Value | 1,053 | 1,206
Asset-backed securities |  |
Investment Securities, Available-for-sale Amortized Cost to Fair Value |  |
Amortized Cost | 1,271 | 1,424
Gross Unrealized Gains | 6 | 3
Gross Unrealized Losses | (16) | (24)
Fair Value | 1,261 | 1,403
Corporate debt securities |  |
Investment Securities, Available-for-sale Amortized Cost to Fair Value |  |
Amortized Cost | 8,115 | 8,330
Gross Unrealized Gains | 37 | 21
Gross Unrealized Losses | (442) | (595)
Fair Value | $ 7,710 | $ 7,756

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