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FAIR VALUE MEASUREMENT - Valuation Techniques and Inputs for Level 3 Nonrecurring Fair Value Measurements (Details) | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2025 USD ($) decimal | Sep. 30, 2024 USD ($) | Sep. 30, 2025 USD ($) decimal | Sep. 30, 2024 USD ($) | Dec. 31, 2024 USD ($) decimal
Nonrecurring |  |  |  |  |
Nonrecurring fair value changes included in earnings |  |  |  |  |
Nonrecurring fair value measurements included in earnings | $ (98,000,000) | $ (25,000,000) | $ (141,000,000) | $ (42,000,000) |
Nonrecurring | Level 3 |  |  |  |  |
Valuation techniques and inputs |  |  |  |  |
Loans HFS | 236,000,000 |  | 236,000,000 |  | $ 271,000,000
Loans |  |  |  |  | 353,000,000
Other real estate owned |  |  |  |  | 19,000,000
Price-based | Level 3 |  |  |  |  |
Valuation techniques and inputs |  |  |  |  |
Non-marketable equities | 96,000,000 |  | 96,000,000 |  | 81,000,000
Price-based | Nonrecurring | Level 3 |  |  |  |  |
Valuation techniques and inputs |  |  |  |  |
Non-marketable equities | 163,000,000 |  | 163,000,000 |  | 136,000,000
Price-based | Nonrecurring | Level 3 | Minimum |  |  |  |  |
Valuation techniques and inputs |  |  |  |  |
Loans HFS | $ 235,000,000 |  | $ 235,000,000 |  | $ 271,000,000
Price-based | Price | Level 3 | Minimum |  |  |  |  |
Valuation techniques and inputs |  |  |  |  |
Non-marketable equities | 2.90 |  | 2.90 |  | 0.54
Price-based | Price | Level 3 | Maximum |  |  |  |  |
Valuation techniques and inputs |  |  |  |  |
Non-marketable equities | 353.72 |  | 353.72 |  | 2,960.96
Price-based | Price | Level 3 | Weighted Average |  |  |  |  |
Valuation techniques and inputs |  |  |  |  |
Non-marketable equities | 125.66 |  | 125.66 |  | 432.84
Price-based | Price | Nonrecurring | Level 3 | Minimum |  |  |  |  |
Valuation techniques and inputs |  |  |  |  |
Loans HFS | 80.00 |  | 80.00 |  | 0
Non-marketable equities | 9.94 |  | 9.94 |  | 1.50
Price-based | Price | Nonrecurring | Level 3 | Maximum |  |  |  |  |
Valuation techniques and inputs |  |  |  |  |
Loans HFS | 100.00 |  | 100.00 |  | 101.00
Non-marketable equities | 205.01 |  | 205.01 |  | 2,961
Price-based | Price | Nonrecurring | Level 3 | Weighted Average |  |  |  |  |
Valuation techniques and inputs |  |  |  |  |
Loans HFS | 95.55 |  | 95.55 |  | 96.61
Non-marketable equities | 94.50 |  | 94.50 |  | 258.00
Price-based | Measurement Input, Appraised Value [Member] | Nonrecurring | Level 3 | Minimum |  |  |  |  |
Valuation techniques and inputs |  |  |  |  |
Other real estate owned |  |  |  |  | 503,332
Price-based | Measurement Input, Appraised Value [Member] | Nonrecurring | Level 3 | Maximum |  |  |  |  |
Valuation techniques and inputs |  |  |  |  |
Other real estate owned |  |  |  |  | 7,220,000
Price-based | Measurement Input, Appraised Value [Member] | Nonrecurring | Level 3 | Weighted Average |  |  |  |  |
Valuation techniques and inputs |  |  |  |  |
Other real estate owned |  |  |  |  | 4,309,976
Recovery analysis | Nonrecurring | Level 3 |  |  |  |  |
Valuation techniques and inputs |  |  |  |  |
Loans | $ 620,000,000 |  | $ 620,000,000 |  |
Recovery analysis | Measurement Input, Discounted Cash Flow | Nonrecurring | Level 3 | Minimum |  |  |  |  |
Valuation techniques and inputs |  |  |  |  |
Loans | 10,000 |  | 10,000 |  |
Recovery analysis | Measurement Input, Discounted Cash Flow | Nonrecurring | Level 3 | Maximum |  |  |  |  |
Valuation techniques and inputs |  |  |  |  |
Loans | 184,687,798 |  | 184,687,798 |  |
Recovery analysis | Measurement Input, Discounted Cash Flow | Nonrecurring | Level 3 | Weighted Average |  |  |  |  |
Valuation techniques and inputs |  |  |  |  |
Loans | 99,270,639 |  | 99,270,639 |  |
Recovery analysis | Measurement Input, Appraised Value [Member] | Nonrecurring | Level 3 | Minimum |  |  |  |  |
Valuation techniques and inputs |  |  |  |  |
Loans |  |  |  |  | 10,000
Recovery analysis | Measurement Input, Appraised Value [Member] | Nonrecurring | Level 3 | Maximum |  |  |  |  |
Valuation techniques and inputs |  |  |  |  |
Loans |  |  |  |  | 104,049,422
Recovery analysis | Measurement Input, Appraised Value [Member] | Nonrecurring | Level 3 | Weighted Average |  |  |  |  |
Valuation techniques and inputs |  |  |  |  |
Loans |  |  |  |  | 58,636,070
Recovery analysis | Recovery rate | Nonrecurring | Level 3 | Minimum |  |  |  |  |
Valuation techniques and inputs |  |  |  |  |
Loans | 0.3510 |  | 0.3510 |  |
Recovery analysis | Recovery rate | Nonrecurring | Level 3 | Maximum |  |  |  |  |
Valuation techniques and inputs |  |  |  |  |
Loans | 0.9010 |  | 0.9010 |  |
Recovery analysis | Recovery rate | Nonrecurring | Level 3 | Weighted Average |  |  |  |  |
Valuation techniques and inputs |  |  |  |  |
Loans | 0.5797 |  | 0.5797 |  |
Comparable analysis | Nonrecurring | Level 3 |  |  |  |  |
Valuation techniques and inputs |  |  |  |  |
Non-marketable equities | $ 127,000,000 |  | $ 127,000,000 |  |
Comparable analysis | Revenue multiple | Nonrecurring | Level 3 | Minimum |  |  |  |  |
Valuation techniques and inputs |  |  |  |  |
Non-marketable equities | decimal | 3.00 |  | 3.00 |  | 3.80
Comparable analysis | Revenue multiple | Nonrecurring | Level 3 | Maximum |  |  |  |  |
Valuation techniques and inputs |  |  |  |  |
Non-marketable equities | decimal | 53.75 |  | 53.75 |  | 9.19
Comparable analysis | Revenue multiple | Nonrecurring | Level 3 | Weighted Average |  |  |  |  |
Valuation techniques and inputs |  |  |  |  |
Non-marketable equities | decimal | 31.84 |  | 31.84 |  | 6.67
Comparable analysis | Level 3 |  |  |  |  |
Valuation techniques and inputs |  |  |  |  |
Non-marketable equities | $ 277,000,000 |  | $ 277,000,000 |  | $ 222,000,000
Comparable analysis | Nonrecurring | Level 3 |  |  |  |  |
Valuation techniques and inputs |  |  |  |  |
Non-marketable equities |  |  |  |  | $ 29,000,000
Comparable analysis | Revenue multiple | Level 3 | Minimum |  |  |  |  |
Valuation techniques and inputs |  |  |  |  |
Non-marketable equities | decimal | 8.61 |  | 8.61 |  | 4.50
Comparable analysis | Revenue multiple | Level 3 | Maximum |  |  |  |  |
Valuation techniques and inputs |  |  |  |  |
Non-marketable equities | decimal | 30.71 |  | 30.71 |  | 16.31
Comparable analysis | Revenue multiple | Level 3 | Weighted Average |  |  |  |  |
Valuation techniques and inputs |  |  |  |  |
Non-marketable equities | decimal | 14.10 |  | 14.10 |  | 11.97
Loans held-for-sale | Nonrecurring |  |  |  |  |
Nonrecurring fair value changes included in earnings |  |  |  |  |
Nonrecurring fair value measurements included in earnings | $ (10,000,000) | (1,000,000) | $ (22,000,000) | (46,000,000) |
Other real estate owned | Nonrecurring |  |  |  |  |
Nonrecurring fair value changes included in earnings |  |  |  |  |
Nonrecurring fair value measurements included in earnings | (1,000,000) | 0 | (1,000,000) | 0 |
Loans | Nonrecurring |  |  |  |  |
Nonrecurring fair value changes included in earnings |  |  |  |  |
Nonrecurring fair value measurements included in earnings | (79,000,000) | (16,000,000) | (67,000,000) | (16,000,000) |
Non-marketable equity securities | Nonrecurring |  |  |  |  |
Nonrecurring fair value changes included in earnings |  |  |  |  |
Nonrecurring fair value measurements included in earnings | $ (8,000,000) | $ (8,000,000) | $ (51,000,000) | $ 20,000,000 |

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