INVESTMENTS - Schedule of investments (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Equity Method Investments [Roll Forward]
Equity method investments, beginning balance	$ 35	$ 25	$ 30
Investments	10	8	0
Share of investee net losses	0	2	(5)
Remeasurement of investments	8
Change in ownership	(22)
Other	(1)
Equity method investments, ending balance	30	35	25
Other Investments [Roll Forward]
Other investments, beginning balance	19	19	18
Investments	3	0	1
Share of investee net losses	0	0	0
Remeasurement of investments	8
Change in ownership	(1)
Other	0
Other investments, ending balance	29	19	19
Investments [Roll Forward]
Total investments, beginning balance	54	44	48
Investments	13	8	1
Share of investee net losses	0	2	(5)
Remeasurement of investments	16
Change in ownership	(23)
Other	(1)
Total investments, ending balance	$ 59	$ 54	$ 44