OTHER DEDUCTIONS, NET - Narrative (Details) - USD ($) $ in Millions	3 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Intangible Asset, Acquired, Finite-Lived [Line Items]
Amortization of intangibles (intellectual property and customer relationships)	$ 205	$ 229
National Instruments
Intangible Asset, Acquired, Finite-Lived [Line Items]
Amortization of intangibles (intellectual property and customer relationships)	$ 26