INVESTMENTS - Carrying Value of Non-marketable Equity Securities Measured Using the Measurement Alternative (Details) - USD ($) $ in Millions |
12 Months Ended | |
|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
|
| Equity Securities without Readily Determinable Fair Value, Annual Amount [Abstract] | ||
| Measurement alternative - carrying value | $ 1,707 | $ 1,574 |
| Measurement alternative - impairment losses | 154 | 108 |
| Measurement alternative - downward changes for observable prices | 2 | 5 |
| Measurement alternative - upward changes for observable prices | 96 | $ 84 |
| Equity Securities without Readily Determinable Fair Value, Impairment Loss, Cumulative Amount [Abstract] | ||
| Measurement alternative - impairment losses | 555 | |
| Measurement alternative - downward changes for observable prices | 40 | |
| Measurement alternative - upward changes for observable prices | $ 1,062 | |