Business Segments Product Line Information (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2022	Mar. 31, 2021
Disaggregation of Revenue [Line Items]
Net sales	$ 4,791	$ 4,431	$ 9,264	$ 8,592
Automation Solutions [Member] \| Measurement & Analytical Instrumentation [Member]
Disaggregation of Revenue [Line Items]
Net sales	767	732	1,502	1,430
Automation Solutions [Member] \| Valves, Actuators & Regulators [Member]
Disaggregation of Revenue [Line Items]
Net sales	883	836	1,699	1,642
Automation Solutions [Member] \| Industrial Solutions [Member]
Disaggregation of Revenue [Line Items]
Net sales	602	555	1,168	1,063
Automation Solutions [Member] \| Systems & Software
Disaggregation of Revenue [Line Items]
Net sales	685	670	1,373	1,350
Operating Segments [Member] \| Automation Solutions [Member]
Disaggregation of Revenue [Line Items]
Net sales	$ 2,937	$ 2,793	$ 5,742	$ 5,485

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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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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-Name Accounting Standards Codification
-Topic 924
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-Section S99
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+ Details