Commitments and Contingencies (Tables)

9 Months Ended

Jun. 30, 2013

Commitments And Contingencies Disclosure [Abstract]

Schedule of Other Long-Term Commitments

For those commitments, the amounts included in the table below are based on market prices at June 30, 2013.

	Payments Due by Fiscal Year
	Remainder of
	Fiscal 2013		2014		2015		2016		2017		Thereafter		Total
	(Dollars in millions)
Reinforcement Materials	$	92	$	319	$	285	$	204	$	179	$	2,536	$	3,615
Performance Materials		11		39		35		32		29		240		386
Advanced Technologies		1		4		2		—		—		—		7
Purification Solutions		6		13		9		8		8		23		67
Total	$	110	$	375	$	331	$	244	$	216	$	2,799	$	4,075