Restructuring Costs (Details) - USD ($) $ in Millions	3 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Sep. 30, 2023
Restructuring Reserve [Roll Forward]
Beginning restructuring liability	$ 122
Restructuring expense	10	$ 6
Restructuring utilized/paid	12
Ending restructuring liability	120
Cost of sales and selling, general, and administrative expenses [Member]
Restructuring Reserve [Roll Forward]
Restructuring expense	5	8
Severance and benefits [Member]
Restructuring Reserve [Roll Forward]
Beginning restructuring liability	117
Restructuring expense	(2)
Restructuring utilized/paid	1
Ending restructuring liability	114
Other Restructuring [Member]
Restructuring Reserve [Roll Forward]
Beginning restructuring liability	5
Restructuring expense	12
Restructuring utilized/paid	11
Ending restructuring liability	6
Measurement & Analytical Instrumentation [Member]
Restructuring Reserve [Roll Forward]
Restructuring expense	1	2
Final Control
Restructuring Reserve [Roll Forward]
Restructuring expense	(1)	0
Discrete Automation
Restructuring Reserve [Roll Forward]
Restructuring expense	1	2
Safety & Productivity [Member]
Restructuring Reserve [Roll Forward]
Restructuring expense	0	0
Intelligent Devices
Restructuring Reserve [Roll Forward]
Restructuring expense	1	4
AspenTech
Restructuring Reserve [Roll Forward]
Restructuring expense	0	0
Control Systems & Software
Restructuring Reserve [Roll Forward]
Restructuring expense	1	1
Software and Control
Restructuring Reserve [Roll Forward]
Restructuring expense	1	1
Corporate [Member]
Restructuring Reserve [Roll Forward]
Restructuring expense	$ 8	$ 1
Forecast [Member]
Restructuring Reserve [Roll Forward]
Expected fiscal year restructuring expense			$ 90