Other Deductions, Net (Schedule Of Other Deductions, Net) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Other Deductions, Net [Abstract]
Amortization of intangibles	$ 67	$ 64	$ 182	$ 195
Rationalization of operations, expense	35	21	89	54
Other	25	2	58	39
Gains, net	(43)	0	(50)	(22)
Total	84	87	279	266
Dumping duties received	37		43
Joint Venture Ownership Acquisition Gain				$ 15