Income tax benefit from tax loss related to divestiture.

No definition available.

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- Definition

Income taxes.

+ References

No definition available.

+ Details

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- Definition

Net discrete tax benefits charges related to tax settlements.

+ References

No definition available.

+ Details

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- Definition

Tax year that remains open to examination under enacted tax laws, in YYYY format.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 15
-Subparagraph (e)
-URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32718-109319

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- Definition

Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 15A
-Subparagraph (a)(4)
-URI http://asc.fasb.org/extlink&oid=121826272&loc=SL6600010-109319

+ Details

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Income Tax - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2022	Mar. 31, 2021
Income Taxes [Line Items]
Net discrete tax (benefits) expense related to tax settlements	$ 1	$ (1)	$ (36)	$ 1
Uncertain tax positions from expirations of statute of limitations	1		$ 2	$ 1
United States Internal Revenue Service (IRS) [Member] \| Earliest Tax Year [Member]
Income Taxes [Line Items]
Tax years remain subject to examination			2018
United States Internal Revenue Service (IRS) [Member] \| Latest Tax Year [Member]
Income Taxes [Line Items]
Tax years remain subject to examination			2020
State Tax Authorities [Member] \| Earliest Tax Year [Member]
Income Taxes [Line Items]
Tax years remain subject to examination			2005
State Tax Authorities [Member] \| Latest Tax Year [Member]
Income Taxes [Line Items]
Tax years remain subject to examination			2020
Non-U.S. Jurisdictions [Member] \| Earliest Tax Year [Member]
Income Taxes [Line Items]
Tax years remain subject to examination			2005
Non-U.S. Jurisdictions [Member] \| Latest Tax Year [Member]
Income Taxes [Line Items]
Tax years remain subject to examination			2021
Maximum [Member]
Income Taxes [Line Items]
Uncertain tax positions from expirations of statute of limitations		$ 1
Purification Solutions [Member]
Income Taxes [Line Items]
Net discrete tax (benefits) expense related to tax settlements	$ 36
Income tax benefit from tax loss related to divestiture			$ 183