Income Taxes (Tables)

12 Months Ended

Sep. 30, 2011

Income Taxes [Abstract]

Significant components of the company's income tax provision from continuing operations

	Year Ended September 30,
	2011			2010			2009
Tax expense (benefit) at federal statutory rate	$	739		$	617		$	(111	)
State income taxes, net of federal benefit		(10	)		28			(15	)
Foreign income tax expense at different rates and foreign losses without tax benefits		(351	)		(330	)		(92	)
U.S. tax on foreign income		28			(3	)		81
Reserve and valuation allowance adjustments		(30	)		(138	)		180
Medicare Part D		—			16			—
Credits		(7	)		(3	)		(11	)
Other		1			10			—
Provision for income taxes	$	370		$	197		$	32

Reconciliation of the beginning and ending amount of unrecognized tax benefits

	Year Ended			Year Ended			Year Ended
	September 30, 2011			September 30, 2010			September 30, 2009
(in millions)
Beginning balance, September 30	$	1,262		$	1,049		$	814
Additions for tax positions related to the current year		150			253			236
Additions for tax positions of prior years		20			257			65
Reductions for tax positions of prior years		(62	)		(158	)		(29	)
Settlements		(5	)		(109	)		(37	)
Statute closings		(8	)		(30	)		—
Ending balance, September 30	$	1,357		$	1,262		$	1,049

Statute of limitations by major tax jurisdictions

Tax	Statute of
Jurisdiction	Limitations
Austria	5 years
Belgium	3 years
Brazil	5 years
Canada	5 years
China	3 to 5 years
Czech Republic	3 years
France	3 years
Germany	4 to 5 years
Italy	4 years
Japan	5 to 7 years
Mexico	5 years
Poland	5 years
Spain	4 years
United Kingdom	4 years
United States — Federal	3 years
United States — State	3 to 5 years

Tax jurisdictions and years currently under audit exam

Tax Jurisdiction	Tax Years Covered
Austria	2006 — 2008
Brazil	2005 — 2008
Canada	2007 — 2008
Czech Republic	2007 — 2009
France	2002 — 2010
Germany	2001 — 2009
Italy	2005 — 2009
Mexico	2003 — 2004
Poland	2007 — 2008
Spain	2006 — 2008

Components of the provision for income taxes on continuing operations

	Year Ended September 30,
	2011			2010			2009
Current
Federal	$	56		$	112		$	53
State		—			29			6
Foreign		458			141			(33	)
		514			282			26
Deferred
Federal		208			106			(159	)
State		(9	)		2			(11	)
Foreign		(343	)		(193	)		176
		(144	)		(85	)		6
Provision for income taxes	$	370		$	197		$	32

Deferred taxes classified in consolidated statements of financial position

	September 30,
	2011			2010
Other current assets	$	558		$	533
Other noncurrent assets		1,855			1,436
Other current liabilities		(4	)		(1	)
Other noncurrent liabilities		(56	)		(112	)
Net deferred tax asset	$	2,353		$	1,856

Temporary differences and carryforwards in deferred tax assets and liabilities

	September 30,
	2011			2010
Deferred tax assets
Accrued expenses and reserves	$	793		$	821
Employee and retiree benefits		390			333
Net operating loss and other credit carryforwards		2,314			1,731
Research and development		103			128
		3,600			3,013
Valuation allowances		(719	)		(739	)
		2,881			2,274
Deferred tax liabilities
Property, plant and equipment		130			40
Intangible assets		345			330
Other		53			48
		528			418
Net deferred tax asset	$	2,353		$	1,856