INVESTMENTS - Carrying Value of Non-marketable Equity Securities Measured Using the Measurement Alternative (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | |||
|---|---|---|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2024 |
Jun. 30, 2025 |
Jun. 30, 2024 |
Dec. 31, 2024 |
|
| Equity Securities without Readily Determinable Fair Value, Annual Amount [Abstract] | |||||
| Measurement alternative—carrying value | $ 1,581 | $ 1,581 | $ 1,574 | ||
| Measurement alternative—impairment losses | 37 | $ 8 | 89 | $ 24 | |
| Measurement alternative—downward changes for observable prices | 0 | 1 | 0 | 1 | |
| Measurement alternative—upward changes for observable prices | 38 | $ 3 | 47 | $ 52 | |
| Equity Securities without Readily Determinable Fair Value, Impairment Loss, Cumulative Amount [Abstract] | |||||
| Measurement alternative—impairment losses | 501 | 501 | |||
| Measurement alternative—downward changes for observable prices | 39 | 39 | |||
| Measurement alternative—upward changes for observable prices | $ 1,076 | $ 1,076 | |||