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
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 30
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8906-108599

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 40
-URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e9031-108599

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 41
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e9038-108599

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 32
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8933-108599

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 32
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8933-108599

Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130543-203045

Reference 7: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 22
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8736-108599

Reference 8: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 22
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8736-108599

Reference 9: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 42
-URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e9054-108599

Reference 10: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130545-203045

Reference 11: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 924
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 11.L)
-URI http://asc.fasb.org/extlink&oid=6472922&loc=d3e499488-122856

+ Details

Business Segments Geographic 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
Reportable Geographical Components [Member]
Disaggregation of Revenue [Line Items]
Net sales	4,794	4,438	9,270	8,606
Reportable Geographical Components [Member] \| Americas
Disaggregation of Revenue [Line Items]
Net sales	2,666	2,342	5,051	4,490
Reportable Geographical Components [Member] \| Asia, Middle East & Africa
Disaggregation of Revenue [Line Items]
Net sales	1,333	1,258	2,660	2,509
Reportable Geographical Components [Member] \| Europe [Member]
Disaggregation of Revenue [Line Items]
Net sales	795	838	1,559	1,607
Reportable Geographical Components [Member] \| Automation Solutions [Member]
Disaggregation of Revenue [Line Items]
Net sales	2,937	2,793	5,742	5,485
Reportable Geographical Components [Member] \| Automation Solutions [Member] \| Americas
Disaggregation of Revenue [Line Items]
Net sales	1,383	1,223	2,624	2,390
Reportable Geographical Components [Member] \| Automation Solutions [Member] \| Asia, Middle East & Africa
Disaggregation of Revenue [Line Items]
Net sales	995	953	2,000	1,896
Reportable Geographical Components [Member] \| Automation Solutions [Member] \| Europe [Member]
Disaggregation of Revenue [Line Items]
Net sales	559	617	1,118	1,199
Reportable Geographical Components [Member] \| Commercial & Residential Solutions [Member]
Disaggregation of Revenue [Line Items]
Net sales	1,857	1,645	3,528	3,121
Reportable Geographical Components [Member] \| Commercial & Residential Solutions [Member] \| Americas
Disaggregation of Revenue [Line Items]
Net sales	1,283	1,119	2,427	2,100
Reportable Geographical Components [Member] \| Commercial & Residential Solutions [Member] \| Asia, Middle East & Africa
Disaggregation of Revenue [Line Items]
Net sales	338	305	660	613
Reportable Geographical Components [Member] \| Commercial & Residential Solutions [Member] \| Europe [Member]
Disaggregation of Revenue [Line Items]
Net sales	$ 236	$ 221	$ 441	$ 408