Restructuring Costs (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Sep. 30, 2023
Restructuring Reserve [Roll Forward]
Beginning restructuring liability			$ 122
Restructuring expense	$ 12	$ 29	41	$ 44
Restructuring utilized/paid			75
Ending restructuring liability	88		88
Cost of sales and selling, general, and administrative expenses [Member]
Restructuring Reserve [Roll Forward]
Restructuring expense	1	11	13	24
Severance and benefits [Member]
Restructuring Reserve [Roll Forward]
Beginning restructuring liability			117
Restructuring expense			18
Restructuring utilized/paid			49
Ending restructuring liability	86		86
Other Restructuring [Member]
Restructuring Reserve [Roll Forward]
Beginning restructuring liability			5
Restructuring expense			23
Restructuring utilized/paid			26
Ending restructuring liability	2		2
Measurement & Analytical Instrumentation [Member]
Restructuring Reserve [Roll Forward]
Restructuring expense	(2)	8	2	9
Final Control
Restructuring Reserve [Roll Forward]
Restructuring expense	1	4	(1)	12
Discrete Automation
Restructuring Reserve [Roll Forward]
Restructuring expense	12	1	20	4
Safety & Productivity [Member]
Restructuring Reserve [Roll Forward]
Restructuring expense	(1)	(1)	1	0
Intelligent Devices
Restructuring Reserve [Roll Forward]
Restructuring expense	10	12	22	25
AspenTech
Restructuring Reserve [Roll Forward]
Restructuring expense	1	7	0	1
Control Systems & Software
Restructuring Reserve [Roll Forward]
Restructuring expense	0	1	7	8
Software and Control
Restructuring Reserve [Roll Forward]
Restructuring expense	1	8	7	9
Corporate [Member]
Restructuring Reserve [Roll Forward]
Restructuring expense	$ 1	$ 9	$ 12	$ 10
Forecast [Member]
Restructuring Reserve [Roll Forward]
Expected fiscal year restructuring expense					$ 110