Rationalization Of Operations (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014 Process Management [Member]	Jun. 30, 2013 Process Management [Member]	Jun. 30, 2014 Process Management [Member]	Jun. 30, 2013 Process Management [Member]	Jun. 30, 2014 Industrial Automation [Member]	Jun. 30, 2013 Industrial Automation [Member]	Jun. 30, 2014 Industrial Automation [Member]	Jun. 30, 2013 Industrial Automation [Member]	Jun. 30, 2014 Network Power [Member]	Jun. 30, 2013 Network Power [Member]	Jun. 30, 2014 Network Power [Member]	Jun. 30, 2013 Network Power [Member]	Jun. 30, 2014 Climate Technologies [Member]	Jun. 30, 2013 Climate Technologies [Member]	Jun. 30, 2014 Climate Technologies [Member]	Jun. 30, 2013 Climate Technologies [Member]	Jun. 30, 2014 Commercial & Residential Solutions [Member]	Jun. 30, 2013 Commercial & Residential Solutions [Member]	Jun. 30, 2014 Commercial & Residential Solutions [Member]	Jun. 30, 2013 Commercial & Residential Solutions [Member]	Jun. 30, 2014 Severance and benefits [Member]	Jun. 30, 2014 Lease and other contract terminations [Member]	Jun. 30, 2014 Fixed assets write-downs [Member]	Jun. 30, 2014 Vacant facility and other shutdown costs [Member]	Jun. 30, 2014 Start-up and moving costs [Member]	Sep. 30, 2014 Scenario, Forecast [Member]
Restructuring Reserve [Roll Forward]
Beginning rationalization of operations liability			$ 32																						$ 27	$ 3	$ 0	$ 1	$ 1
Rationalization of operations, expense	11	33	45	65	4	4	12	11	2	14	7	24	3	12	13	21	1	0	11	2	1	3	2	7	23	2	1	5	14
Rationalization of operations, paid			47																						24	3	1	5	14
Ending rationalization of operations liability	30		30																						26	2	0	1	1
Expected fiscal year rationalization expense																														$ 70