FUNDS RECEIVABLE AND CUSTOMER ACCOUNTS AND INVESTMENTS - Measurement Alternative Adjustments (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2023 |
Jun. 30, 2022 |
Jun. 30, 2023 |
Jun. 30, 2022 |
|
| Equity Securities without Readily Determinable Fair Value [Roll Forward] | ||||
| Carrying amount, beginning of period | $ 1,680 | $ 1,469 | $ 1,687 | $ 1,268 |
| Adjustments related to non-marketable equity securities: | ||||
| Net additions | 10 | 44 | 26 | 57 |
| Gross unrealized gains | 1 | 61 | 23 | 249 |
| Gross unrealized losses and impairments | 0 | 0 | (45) | 0 |
| Carrying amount, end of period | $ 1,691 | $ 1,574 | $ 1,691 | $ 1,574 |