Long-Term Debt (Tables)

12 Months Ended

Sep. 30, 2012

Long-term Debt, Unclassified [Abstract]

Schedule Of Long-Term Debt

	2011		2012
5.75% notes due November 2011	$	250	—
4.625% notes due October 2012	250		250
4.5% notes due May 2013	250		250
5.625% notes due November 2013	250		250
5.0% notes due December 2014	250		250
4.125% notes due April 2015	250		250
4.75% notes due October 2015	250		250
5.125% notes due December 2016	250		250
5.375% notes due October 2017	250		250
5.25% notes due October 2018	400		400
5.0% notes due April 2019	250		250
4.875% notes due October 2019	500		500
4.25% notes due November 2020	300		300
6.0% notes due August 2032	250		250
6.125% notes due April 2039	250		250
5.25% notes due November 2039	300		300
Other	103		97
Long-term debt	4,603		4,347
Less: current maturities	279		560
Total, net	$	4,324	3,787