FAIR VALUE MEASUREMENTS - Assets Measured on Recurring Basis (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Summary of financial instruments recognized at fair value and fair value measurement used
Cash	$ 555	$ 488
Short-term investments	1,525	2,121
Net derivative contracts	(16)	11
Contingent future payments from acquisition of Green Motion	(6)	(18)
Quoted prices in active markets for identical assets (Level 1)
Summary of financial instruments recognized at fair value and fair value measurement used
Cash	555	488
Short-term investments	1,525	2,121
Net derivative contracts	0	0
Contingent future payments from acquisition of Green Motion	0	0
Other observable inputs (Level 2)
Summary of financial instruments recognized at fair value and fair value measurement used
Cash	0	0
Short-term investments	0	0
Net derivative contracts	(16)	11
Contingent future payments from acquisition of Green Motion	0	0
Unobservable inputs (Level 3)
Summary of financial instruments recognized at fair value and fair value measurement used
Cash	0	0
Short-term investments	0	0
Net derivative contracts	0	0
Contingent future payments from acquisition of Green Motion	$ (6)	$ (18)