FAIR VALUE MEASUREMENTS - Activity And Maturities For Marketable Securities (Details) - USD ($) $ in Millions	Sep. 30, 2026	Dec. 31, 2025
Cost Basis
Due in one year or less	$ 388
Due after one year through five years	883
Due after five years through ten years	134
Due after ten years	4
No maturity date	6
Total	1,415
Fair Value
Due in one year or less	387
Due after one year through five years	866
Due after five years through ten years	129
Due after ten years	4
No maturity date	10
Total	$ 1,396	$ 1,496