Debt (Tables)

9 Months Ended

Jun. 30, 2011

Debt Tables [Abstract]

Debt Balances

Debt	June 30,		September 30,
(in millions)	2011		2010
Senior notes and debentures:
Senior notes due April 2011, 5.750%	$	-	$	193
Senior notes due September 2014, 4.375%		597		597
Senior notes due September 2015, 4.250%		250		250
Senior notes due April 2016, 6.250%		916		1,496
Senior notes due April 2017, 3.500%		496		-
Senior notes due October 2017, 6.125%		498		497
Senior notes due September 2019, 5.625%		553		554
Senior notes due March 2021, 4.500%		492		-
Senior debentures due April 2036, 6.875%		1,736		1,735
Senior debentures due October 2037, 6.750%		248		248
Senior notes due December 2055, 6.850%		750		750
Capital lease and other obligations		418		432
Total debt		6,954		6,752
Less current portion		(26)		(31)
Total noncurrent portion	$	6,928	$	6,721