FAIR VALUE MEASUREMENTS - Activity And Maturities For Marketable Securities (Details) $ in Millions	Sep. 30, 2025 USD ($)
Cost Basis
Due in one year or less	$ 336
Due after one year through five years	1,007
Due after five years through ten years	137
Due after ten years	2
No maturity date	5
Total	1,487
Fair Value
Due in one year or less	336
Due after one year through five years	1,011
Due after five years through ten years	138
Due after ten years	2
No maturity date	7
Total	$ 1,494