BORROWINGS - Long-term Borrowings - Narrative (Details) - USD ($) |
3 Months Ended | |||
|---|---|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
Mar. 03, 2026 |
Dec. 31, 2025 |
|
| Debt Instrument [Line Items] | ||||
| Loss on extinguishment of debt | $ 8,000,000 | $ 0 | ||
| Minimum deposit | 194,000,000 | $ 212,000,000 | ||
| Purchase Money Note | ||||
| Debt Instrument [Line Items] | ||||
| Partial prepayment | 2,500,000,000 | |||
| Loss on extinguishment of debt | $ 8,000,000 | |||
| Parent | Fixed-to-Floating Senior Notes at 4.869% | Subordinated Debt | ||||
| Debt Instrument [Line Items] | ||||
| Debt instrument, face amount | $ 500,000,000 | |||
| Debt instrument, stated interest rate | 4.869% | |||
| X | ||||||||||
- Definition Interest-Bearing Deposits in Banks and Other Financial Institutions, Fair Value Of Minimum Deposit Required No definition available.
|
| X | ||||||||||
- Definition Face (par) amount of debt instrument at time of issuance. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Contractual interest rate for funds borrowed, under the debt agreement. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount of cash outflow for cost from early extinguishment and prepayment of debt. Includes, but is not limited to, third-party cost, premium paid, and other fee paid to lender directly for debt extinguishment or debt prepayment. Excludes accrued interest. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|