FINANCIAL INSTRUMENTS AND FAIR VALUE MEASUREMENTS - Schedule of Equity Investments (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2026	Mar. 31, 2025
Equity investments with RDFV
Net (gains)/losses recognized	$ (35)	$ 5
Less: net (gains)/losses recognized on investments sold	(6)	4
Net unrealized (gains)/losses recognized on investments still held	(29)	1
Equity investments without RDFV
Upward adjustments	(171)	0
Net realized (gains)/losses recognized on investments sold	35	19
Impairments and downward adjustments	62	45
Limited partnerships and other investments
Equity in net (income)/loss of affiliates and other adjustments	(25)	9
Total equity investment (gains)/losses	$ (134)	$ 78

Equity Securities without Readily Determinable Fair Value, Impairment Loss And Downward Price Adjustment, Annual Amount

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Equity Securities without Readily Determinable Fair Value, Realized Gain (Loss)

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Limited Partnerships and Other Equity Method Investments

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Amount of realized gain (loss) from sale of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

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Amount of gain from upward price adjustment on investment in equity security without readily determinable fair value.

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Amount of realized and unrealized gain (loss) on investment.

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