Income Taxes (Tables)

12 Months Ended

Sep. 30, 2021

Income Tax Disclosure [Abstract]

Income Before Income Taxes

Income from continuing operations before income taxes and equity in net earnings of affiliated companies was as follows:

	Years Ended September 30
	2021			2020			2019
	(In millions)
Domestic	$	(73	)	$	(274	)	$	(66	)
Foreign		479			241			321
Income from continuing operations before income taxes and    equity in earnings of affiliated companies	$	406		$	(33	)	$	255

Provision (Benefit) for Income Taxes

Tax provision (benefit) for income taxes consisted of the following:

	Years Ended September 30
	2021			2020			2019
	(In millions)
U.S. federal and state:
Current	$	11		$	(1	)	$	2
Deferred		(1	)		139			(30	)
Total		10			138			(28	)
Foreign:
Current		103			62			95
Deferred		10			(9	)		3
Total		113			53			98
Provision (benefit) for income taxes	$	123		$	191		$	70

Reconciliation Using U.S. Statutory Rate

The provision (benefit) for income taxes differed from the provision for income taxes as calculated using the U.S. statutory rate as follows:

	Years Ended September 30
	2021			2020			2019
	(In millions)
Computed tax expense at the federal statutory rate	$	85		$	(7	)	$	53
Foreign impact of taxation at different rates, repatriation,    valuation allowance, and other		8			4			17
Global Intangible Low Taxed Income (GILTI)		18			(4	)		10
Impact of the Coronavirus Aid, Relief, and Economic    Security ("CARES") Act of 2020		10			(10	)		—
Impact of increase (decrease) in valuation allowance on    U.S. deferred taxes		(1	)		228			—
U.S. and state benefits from research and experimentation    activities		(2	)		(2	)		(2	)
Provision (settlement) of unrecognized tax benefits		1			(7	)		(8	)
Permanent differences, net		7			—			1
State taxes, net of federal effect		(3	)		(11	)		(1	)
Provision (benefit) for income taxes	$	123		$	191		$	70

Components of Deferred Income Taxes

Significant components of deferred income taxes were as follows:

	September 30
	2021			2020
	(In millions)
Deferred tax assets:
Deferred expenses	$	14		$	19
Intangible assets		38			37
Inventory		13			13
Operating lease liability		21			20
Other		42			51
Pension and other benefits		32			35
Net operating loss carryforwards		257			254
Foreign tax credit carryforwards		48			58
R&D credit carryforwards		46			44
Other business credit carryforwards		24			23
Subtotal		535			554
Valuation allowance		(470	)		(481	)
Total deferred tax assets	$	65		$	73

	September 30
	2021			2020
	(In millions)
Deferred tax liabilities:
Property, plant and equipment	$	(47	)	$	(40	)
Right of use asset		(20	)		(20	)
Unremitted earnings of non-U.S. subsidiaries		(18	)		(18	)
Total deferred tax liabilities	$	(85	)	$	(78	)

Expiration Dates of NOLs and Other Tax Credit Carryforwards Before Valuation Allowances

The following table provides detail surrounding the expiration dates of NOLs and other tax credit carryforwards before valuation allowances:

Years Ending September 30	NOLs		Credits
	(In millions)
2022 - 2028	$	229	$	28
2029 and thereafter		218		88
Indefinite carryforwards		818		2
Total	$	1,265	$	118

Reconciliation of Unrecognized Tax Benefits

A reconciliation of the beginning and ending amount of unrecognized tax benefits for fiscal 2021, 2020 and 2019 is as follows:

	Years Ended September 30
	2021			2020			2019
	(In millions)
Balance at beginning of the year	$	23		$	27		$	37
Additions based on tax provisions related to the current    year		1			2			—
Additions for tax positions of prior years		—			2			—
Reductions of tax provisions of prior years		(2	)		(1	)		(1	)
Reductions related to settlements		—			(5	)		(5	)
Reductions from lapse of statute of limitations		(1	)		(2	)		(4	)
Balance at end of the year	$	21		$	23		$	27