Debt and Financing Arrangements (Tables)

12 Months Ended

Sep. 30, 2011

Debt and Financing Arrangements [Abstract]

Short-term debt

	September 30,
	2011			2010
Bank borrowings and commercial paper	$	596		$	75
Weighted average interest rate on short-term debt outstanding		2.4	%		6.2	%

Long-term debt

	September 30,
	2011		2010
Unsecured notes
5.25% due in 2011 ($654 million 2010 par value)	$	—	$	655
5.8% due in 2013 ($100 million par value)		101		102
4.875% due in 2013 ($300 million par value)		321		327
Floating rate notes due in 2014 ($350 million par value)		350		—
1.75% due in 2014 ($450 million par value)		462		—
7.7% due in 2015 ($125 million par value)		125		125
5.5% due in 2016 ($800 million par value)		800		800
7.125% due in 2017 ($150 million par value)		164		167
5.0% due in 2020 ($500 million par value)		498		498
4.25% due 2021 ($500 million par value)		497		—
6.0% due in 2036 ($400 million par value)		395		395
5.7% due in 2041 ($300 million par value)		299		—
11.5% due in 2042 (760,100 and 917,915 equity units in 2011 and 2010, respectively)		38		46
11.5% notes due in 2042 ($8 million par value)		8		—
6.95% due in 2046 ($125 million par value)		125		125
Capital lease obligations		70		34
Foreign-denominated debt
Euro		286		27
Other		11		13
Gross long-term debt		4,550		3,314
Less: current portion		17		662
Net long-term debt	$	4,533	$	2,652