Business Segment Information (Details) - USD ($) $ in Millions	3 Months Ended
Dec. 31, 2016	Dec. 31, 2015
Segment Reporting Information [Line Items]
Net sales	$ 3,216	$ 3,337
Earnings before income taxes	464	434
Increase (decrease) in incentive stock compensation expense	(26)
Automation Solutions [Member] \| Measurement & Analytical Instrumentation [Member]
Segment Reporting Information [Line Items]
Net sales	682	757
Automation Solutions [Member] \| Valves, Actuators & Regulators [Member]
Segment Reporting Information [Line Items]
Net sales	449	498
Automation Solutions [Member] \| Industrial Solutions [Member]
Segment Reporting Information [Line Items]
Net sales	367	385
Automation Solutions [Member] \| Process Control Systems & Solutions [Member]
Segment Reporting Information [Line Items]
Net sales	469	522
Operating Segments [Member] \| Automation Solutions [Member]
Segment Reporting Information [Line Items]
Net sales	1,967	2,162
Earnings before income taxes	326	341
Operating Segments [Member] \| Commercial & Residential Solutions [Member]
Segment Reporting Information [Line Items]
Net sales	1,252	1,178
Earnings before income taxes	249	218
Operating Segments [Member] \| Tools & Home Products [Member]
Segment Reporting Information [Line Items]
Net sales	393	392
Earnings before income taxes	88	85
Operating Segments [Member] \| Climate Technologies [Member]
Segment Reporting Information [Line Items]
Net sales	859	786
Earnings before income taxes	161	133
Differences in accounting methods [Member]
Segment Reporting Information [Line Items]
Earnings before income taxes	33	44
Corporate and other [Member]
Segment Reporting Information [Line Items]
Earnings before income taxes	(98)	(122)
Intersegment Eliminations [Member]
Segment Reporting Information [Line Items]
Net sales	(3)	(3)
Earnings before income taxes	$ (46)	$ (47)

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- Definition

Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 940
-SubTopic 20
-Section 25
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Reference 2: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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- Definition

Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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+ References

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