Other Long-Term Liabilities

12 Months Ended

Sep. 30, 2011

Other Liabilities Disclosure [Abstract]

Other long-term liabilities consist primarily of liabilities related to certain derivative agreements as well as liabilities under the Environmental Agreements (see Note 20 — Legal Proceedings — Environmental Agreements). The table below summarizes the types and amounts of liabilities:



Other Long-Term Liabilities At September 30
	2011		2010
Currency swap liabilities	$	131	$	81
Swaption liability	1,077		804
Interest rate swap liabilities	463		371
Coal contract derivative liabilities	119		2
Commodity swap derivative liabilities	78		118
Environmental agreements liability	346		—
Other long-term liabilities	191		150

Total other long-term liabilities	$	2,405	$	1,526

The swaption and interest rate swap liabilities increased during 2011 due primarily to a decrease in interest rates. See Note 13 — Derivatives Not Receiving Hedge Accounting Treatment for a discussion related to changes affecting coal contract derivative liabilities.