Business Segments Product Line Information (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Disaggregation of Revenue [Line Items]
Net sales	$ 5,005	$ 4,697	$ 14,269	$ 13,289
Automation Solutions [Member] \| Measurement & Analytical Instrumentation [Member]
Disaggregation of Revenue [Line Items]
Net sales	785	781	2,287	2,211
Automation Solutions [Member] \| Valves, Actuators & Regulators [Member]
Disaggregation of Revenue [Line Items]
Net sales	905	880	2,604	2,522
Automation Solutions [Member] \| Industrial Solutions [Member]
Disaggregation of Revenue [Line Items]
Net sales	575	593	1,743	1,656
Automation Solutions [Member] \| Systems & Software
Disaggregation of Revenue [Line Items]
Net sales	607	611	1,817	1,804
Operating Segments [Member] \| Automation Solutions [Member]
Disaggregation of Revenue [Line Items]
Net sales	$ 2,872	$ 2,865	$ 8,451	$ 8,193

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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-Subparagraph (a)
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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-Name Accounting Standards Codification
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-Name Accounting Standards Codification
-Topic 606
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-Publisher FASB
-Name Accounting Standards Codification
-Topic 924
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-Section S99
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+ Details