OTHER DEDUCTIONS, NET (Details) - USD ($) $ in Millions	3 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Acquired Finite-Lived Intangible Assets [Line Items]
Amortization of intangibles (intellectual property and customer relationships)	$ 229	$ 274
Restructuring costs	11	83
Acquisition/divestiture costs	13	80
Foreign currency transaction (gains) losses	1	34
Other	(26)	(20)
Total	228	451
National Instruments
Acquired Finite-Lived Intangible Assets [Line Items]
Amortization of intangibles (intellectual property and customer relationships)	34
Acquisition/divestiture costs	$ 22	$ 130	$ 69