Acquisitions and Divestitures (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended			9 Months Ended	12 Months Ended	9 Months Ended	12 Months Ended	9 Months Ended	12 Months Ended	3 Months Ended	9 Months Ended		12 Months Ended		12 Months Ended	9 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013	Sep. 30, 2013	Jun. 30, 2014 Enardo LLC and Virgo Valves and Controls, LTD [Domain]	Sep. 30, 2013 Enardo LLC and Virgo Valves and Controls, LTD [Domain]	Jun. 30, 2014 Series of Individually Immaterial Business Acquisitions [Member]	Sep. 30, 2013 Series of Individually Immaterial Business Acquisitions [Member]	Jun. 30, 2014 Appleton Group [Member]	Sep. 30, 2013 Appleton Group [Member]	Jun. 30, 2013 Artesyn (Embedded Computing and Power) [Member]	Jun. 30, 2014 Artesyn (Embedded Computing and Power) [Member]	Dec. 31, 2013 Artesyn (Embedded Computing and Power) [Member]	Sep. 30, 2013 Connectivity Solutions [Member]	Jun. 30, 2014 Connectivity Solutions [Member]	Sep. 30, 2013 Power Transmission Solutions [Member]	Jun. 30, 2014 Noncontrolling Interest [Member]	Jun. 30, 2014 Parent Company [Member]	Dec. 31, 2013 Common stock purchased related to embedded computing and power transaction [Member]
Significant Acquisitions and Disposals [Line Items]
Goodwill impairment	$ 0	$ 503	$ 0	$ 503								$ 503
Goodwill impairment loss, net of tax												475
Impairment effect on earnings per share, after tax												$ 0.65
Net income tax charge primarily related to the anticipated repatriation of non-US earnings, partially offset by other tax versus book differences												33
Net income tax charge primarily related to the anticipated repatriation of non-US earnings, partially offset by other tax versus book differences, per share												$ 0.05
Percentage of controlling interest sold													51.00%
Proceeds from divestiture of business													264
Equity method investment													60
Gain (loss) on divestiture of business													0
Tax benefit from divestiture													(20)
Net sales	6,312	6,344	17,730	17,857							500		146		80		600
Assets held-for-sale, other current assets														367
Assets held-for-sale, other assets														212
Liabilities held-for-sale, accrued expenses														255
Pretax foreign cash repatriated														376
After-tax foreign cash repatriated														308
Common stock repurchased during the period	9,582		9,582		8,985															600
Payments to acquire businesses, net of cash acquired			610	20		506		104
Debt assumed in acquisition of businesses						76
Revenues							300		55
Book value of goodwill acquired						324
Expected tax deductible amount of goodwill acquired						0
Identifiable intangibles acquired						178
Acquired finite-lived intangible assets, weighted average life						12 years
Percentage of non-controlling interest acquired										44.50%
Payments to acquire businesses, gross										574
Purchase of noncontrolling interest			444															101	343
Increase (decrease) in deferred tax asset			130
Cash to be received upon sale of business																$ 98