Commitments and Contingencies (Tables)

9 Months Ended

Jun. 30, 2012

Schedule of Components of Purchase Commitments

Cabot has entered into long-term purchase agreements primarily for the purchase of raw materials. Under certain of these agreements the quantity of material being purchased is fixed, but the price paid changes as market prices change. For those commitments, the amounts included in the table below are based on market prices at June 30, 2012.

	Payments Due by Fiscal Year
	Remainder of fiscal 2012		2013		2014		2015		2016		Thereafter		Total
	(Dollars in millions)
Core Segment	$	94	$	254	$	244	$	246	$	210	$	2,807	$	3,855
Performance Segment		9		38		33		33		32		285		430
Specialty Fluids Segment		2		2		—		—		—		—		4
Total	$	105	$	294	$	277	$	279	$	242	$	3,092	$	4,289