ALLOWANCE FOR CREDIT LOSSES - Schedule of Expected Credit Loss of Accounts Payable (Details) - USD ($) $ in Millions |
12 Months Ended | |||
|---|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
|
| Contract with Customer, Receivable, Allowance for Credit Loss [Roll Forward] | ||||
| Beginning balance | $ 41 | $ 40 | $ 32 | $ 0 |
| Opening balance from acquisition of Robinhood Credit | 0 | 0 | 23 | |
| Provision for credit losses | 27 | 40 | 19 | |
| Payments to Coastal Bank | (28) | (34) | (11) | |
| Recoveries | 2 | 2 | 1 | |
| Ending balance | $ 41 | $ 40 | $ 32 | |