Rationalization Of Operations (Details) (USD $) In Millions	3 Months Ended		9 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010	Sep. 30, 2010
Rationalization of operations	$ 21	$ 27	$ 54	$ 101
Rationalization costs liability	38		38		69
Rationalization costs paid/utilized during the period			85
Minimum [Member]
Expected future year rationalization expense			80
Maximum [Member]
Expected future year rationalization expense			90
Severance and Benefits [Member]
Rationalization of operations			15
Rationalization costs liability	31		31		57
Rationalization costs paid/utilized during the period			41
Lease and Contract Terminations [Member]
Rationalization of operations			2
Rationalization costs liability	3		3		8
Rationalization costs paid/utilized during the period			7
Fixed Asset Write-Downs [Member]
Rationalization of operations			1
Rationalization costs liability	0		0		0
Rationalization costs paid/utilized during the period			1
Vacant Facility and Other Shutdown Costs [Member]
Rationalization of operations			10
Rationalization costs liability	3		3		4
Rationalization costs paid/utilized during the period			11
Start-Up and Moving Costs [Member]
Rationalization of operations			26
Rationalization costs liability	1		1		0
Rationalization costs paid/utilized during the period			25
Process Management [Member]
Rationalization of operations	4	6	8	22
Industrial Automation [Member]
Rationalization of operations	8	11	18	44
Network Power [Member]
Rationalization of operations	6	5	16	21
Climate Technologies [Member]
Rationalization of operations	2	4	8	9
Tools and Storage [Member]
Rationalization of operations	$ 1	$ 1	$ 4	$ 5