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 | |
|---|---|---|
Mar. 31, 2025 |
Mar. 31, 2024 |
|
| Equity Securities without Readily Determinable Fair Value [Roll Forward] | ||
| Carrying amount, beginning of period | $ 1,336 | $ 1,631 |
| Adjustments related to non-marketable equity securities: | ||
| Net additions | 22 | 40 |
| Gross unrealized gains | 55 | 0 |
| Gross unrealized losses and impairments | 0 | (47) |
| Carrying amount, end of period | $ 1,413 | $ 1,624 |