Environmental Loss Contingencies, Payment Period

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- Definition

Loss Contingency, Number Of Pending Claims Transferred To Multi-District Litigation

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- Definition

Loss Contingency, Number Of Subsidiaries In Civil Enforcement Action

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- Definition

Loss Contingency, Number Of Subsidiaries Named In Lawsuits

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- Definition

Loss Contingency, Pending Claims, Number Of States Originated From

+ References

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- Definition

Amount of cash outflow to settle environmental loss contingencies.

+ References

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- Definition

Carrying value of the obligation (known or estimated) arising from requirements to perform activities to remediate one or more sites, payable in twelve months or in the next operating cycle if longer.

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- Definition

The carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

Carrying amount as of the balance sheet date of amounts expected to be recovered under the terms of insurance contracts.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition

The amount recovered from insurance. These recoveries reduce costs and losses that are reported as a separate line item under operating expenses.

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- Definition

Amount awarded to other party in judgment or settlement of litigation.

+ References

No definition available.

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- Definition

Amount of litigation expense, including but not limited to legal, forensic, accounting, and investigative fees.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Number of defendants named in a legal action.

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- Definition

Number of pending claims pertaining to a loss contingency.

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Commitments and Contingencies - Narrative (Detail) $ in Millions		1 Months Ended				3 Months Ended		12 Months Ended
	Apr. 12, 2024 USD ($)	Jun. 30, 2024 USD ($)	Oct. 31, 2022 claim	Nov. 30, 2021 claim	Apr. 30, 2021 claim	Sep. 30, 2024 USD ($) state subsidiary claim	Jun. 30, 2024 USD ($)	Sep. 30, 2024 USD ($) state defendant subsidiary claim	Sep. 30, 2023 USD ($)	Sep. 30, 2022 USD ($)	Nov. 30, 2022 claim	Mar. 31, 2022 subsidiary
Loss Contingencies [Line Items]
Environmental loss contingencies payment period								20 years
Conditional asset retirement obligations						$ 7		$ 7	$ 8
Number of subsidiaries \| subsidiary												2
Reserve for environmental liabilities, current						32		32	28
Insurance receivables for asbestos-related liabilities						47		47	50
Insurance receivables for asbestos-related liabilities								367	$ 0	$ 0
Selling, general and administrative
Loss Contingencies [Line Items]
Insurance receivables for asbestos-related liabilities						$ 371		371
Insurance receivables for asbestos-related liabilities								$ 349
FTC-Related Remediation And Litigation
Loss Contingencies [Line Items]
Number of actions filed \| claim											6
Aqueous Film Forming Foam Litigation
Loss Contingencies [Line Items]
Number of subsidiaries named \| subsidiary						2		2
Aqueous Film Forming Foam Municipal And Water Provider Cases
Loss Contingencies [Line Items]
Number of actions filed \| claim						970		970
Number of states and territories \| state						35		35
Water Provider AFFF Settlement Agreement
Loss Contingencies [Line Items]
Litigation settlement, amount awarded to other party	$ 750
Settlement charge							$ 750
Initial payment		$ 250				$ 85
Reserve for environmental liabilities, current		$ 500				$ 415	$ 500	$ 415
Aqueous Film Forming Foam Putative Class Actions
Loss Contingencies [Line Items]
Number of actions filed \| claim						45		45
Number of states and territories \| state						18		18
Aqueous Film Forming Foam Individual Or Mass Actions
Loss Contingencies [Line Items]
Number of actions filed \| claim						8,300		8,300
Number of states and territories \| state						52		52
Aqueous Film Forming Foam Individual Or Mass Actions \| COLORADO
Loss Contingencies [Line Items]
Number of plaintiffs \| defendant								7,000
Aqueous Film Forming Foam Individual Or Mass Actions \| United States, Excluding Colorado
Loss Contingencies [Line Items]
Number of plaintiffs \| defendant								8,300
State Or U.S. Territory Attorneys General Litigation Related To Aqueous Film Forming Foam
Loss Contingencies [Line Items]
Number of actions filed \| claim						35		35
Number of states and territories \| state						33		33
State Or U.S. Territory Attorneys General Litigation Related To Aqueous Film Forming Foam \| ALASKA
Loss Contingencies [Line Items]
Number of actions filed \| claim					2
Number of transferred cases \| claim					2
State Or U.S. Territory Attorneys General Litigation Related To Aqueous Film Forming Foam \| NORTH CAROLINA
Loss Contingencies [Line Items]
Number of actions filed \| claim			2	4
Number of transferred cases \| claim			2	4