Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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Amount classified as assets attributable to disposal group held for sale or disposed of.

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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.

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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.

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Business Segments Information (Results Of Operations By Business Segments ) (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2014
Segment Reporting Information [Line Items]
Net sales	$ 3,932	$ 3,674	$ 3,579	$ 3,337	$ 4,204	$ 4,085	$ 3,934	$ 4,026	$ 14,522	$ 16,249	$ 17,733
Segment earnings									2,316	3,807	3,191
Total Assets	21,743				22,088				21,743	22,088	24,177
Gains on divestitures of businesses									0	1,039	0
Operating Segments [Member]
Segment Reporting Information [Line Items]
Net sales									15,116	16,888	18,193
Segment earnings									2,742	3,103	3,716
Total Assets	12,057				12,089				12,057	12,089	13,111
Operating Segments [Member] \| Process Management [Member]
Segment Reporting Information [Line Items]
Net sales									7,484	8,516	9,189
Segment earnings									1,131	1,493	1,918
Total Assets	7,622				7,704				7,622	7,704	7,771
Operating Segments [Member] \| Industrial Automation [Member]
Segment Reporting Information [Line Items]
Net sales									2,072	2,448	3,004
Segment earnings									458	509	640
Total Assets	1,276				1,254				1,276	1,254	1,810
Operating Segments [Member] \| Climate Technologies [Member]
Segment Reporting Information [Line Items]
Net sales									3,949	4,011	4,109
Segment earnings									769	698	737
Total Assets	2,350				2,314				2,350	2,314	2,378
Operating Segments [Member] \| Commercial & Residential Solutions [Member]
Segment Reporting Information [Line Items]
Net sales									1,611	1,913	1,891
Segment earnings									384	403	421
Total Assets	809				817				809	817	1,152
Segment Reconciling Items [Member]
Segment Reporting Information [Line Items]
Segment earnings									189	174	197
Corporate, Non-Segment [Member]
Segment Reporting Information [Line Items]
Segment earnings									(427)	705	(526)
Corporate, Non-Segment [Member] \| Corporate and other [Member]
Segment Reporting Information [Line Items]
Total Assets	9,686				9,999				9,686	9,999	11,066
Gains on divestitures of businesses										1,039
Intersegment Eliminations [Member]
Segment Reporting Information [Line Items]
Net sales									594	639	669
Segment earnings									(188)	(175)	(196)
Intersegment Eliminations [Member] \| Industrial Automation [Member]
Segment Reporting Information [Line Items]
Net sales									(578)	(622)	(650)
Discontinued Operations, Held-for-sale [Member]
Segment Reporting Information [Line Items]
Total assets held-for-sale	$ 6,030				$ 6,222				$ 6,030	$ 6,222	6,904
Combined Artesyn and Connectivity Solutions Businesses \| Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] \| Corporate, Non-Segment [Member]
Segment Reporting Information [Line Items]
Net sales											209
Segment earnings											$ (6)