Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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Name:	us-gaap_RestructuringCharges
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

RESTRUCTURING COSTS - Schedule of Restructuring Expense by Segment (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Restructuring [Line Items]
Expense	$ 87	$ 37	$ 141	$ 70
Corporate
Restructuring [Line Items]
Expense	3	20	6	23
Software & Systems
Restructuring [Line Items]
Expense	18	8	24	22
Intelligent Devices
Restructuring [Line Items]
Expense	57	10	99	23
Safety & Productivity
Restructuring [Line Items]
Expense	9	(1)	12	2
Control Systems & Software \| Software & Systems \| Operating Segments
Restructuring [Line Items]
Expense	6	8	10	19
Test & Measurement \| Software & Systems \| Operating Segments
Restructuring [Line Items]
Expense	12	0	14	3
Sensors \| Intelligent Devices \| Operating Segments
Restructuring [Line Items]
Expense	9	2	23	5
Final Control \| Intelligent Devices \| Operating Segments
Restructuring [Line Items]
Expense	$ 48	$ 8	$ 76	$ 18