CASH AND CASH EQUIVALENTS, FUNDS RECEIVABLE AND CUSTOMER ACCOUNTS, AND INVESTMENTS - Schedule of Adjustments to Carrying Value of Equity Investments (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2024 |
Jun. 30, 2025 |
Jun. 30, 2024 |
|
| Equity Securities without Readily Determinable Fair Value [Roll Forward] | ||||
| Carrying amount, beginning of period | $ 1,413 | $ 1,624 | $ 1,336 | $ 1,631 |
| Adjustments related to non-marketable equity securities: | ||||
| Net (reductions) additions | (76) | 25 | (54) | 65 |
| Gross unrealized gains | 28 | 3 | 83 | 3 |
| Gross unrealized losses and impairments | (6) | (17) | (6) | (64) |
| Carrying amount, end of period | $ 1,359 | $ 1,635 | $ 1,359 | $ 1,635 |