OTHER FINANCIAL INFORMATION - Schedule of Depreciation and Amortization components (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Business Acquisition [Line Items]
Depreciation expense	$ 80	$ 67	$ 238	$ 213
Amortization of intangibles (includes $49, $49, $147 and $147 reported in Cost of Sales, respectively)	313	169	958	504
Amortization of capitalized software	24	21	67	63
Total	417	257	1,263	780
Amortization of intangibles in cost of sales	49	49	147	147
National Instruments
Business Acquisition [Line Items]
Amortization of intangible assets	$ 139	$ 105	$ 419	$ 317