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FINANCIAL INSTRUMENTS AND FAIR VALUE MEASUREMENTS - Schedule 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 investments with RDFV |  |  |  |
Net (gain)/loss recognized | $ (4) | $ (36) | $ 1 | $ (122)
Less: net (gain)/loss recognized on investments sold | 2 | 0 | 5 | 1
Net unrealized (gain)/loss recognized on investments still held | (6) | (36) | (4) | (123)
Equity investments without RDFV |  |  |  |
Upward adjustments | (11) | (11) | (11) | (21)
Net realized (gain)/loss recognized on investments sold | 0 | (36) | 19 | (36)
Impairments and downward adjustments | 0 | 4 | 45 | 29
Limited partnerships and other equity method investments |  |  |  |
Equity in net (income)/loss of affiliates | 37 | (28) | 46 | (59)
Total equity investment (gains)/losses | $ 22 | $ (107) | $ 100 | $ (209)

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