The amount of punitive damages awarded.

No definition available.

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- Definition

The number of claims that the Company prevailed after being taken to trial.

+ References

No definition available.

+ Details

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The number of claims settled and taken to trial.

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No definition available.

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- Definition

The number of years the company has been the defendant in Respirator Mask/Asbestos Litigation.

+ References

No definition available.

+ Details

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The number of unnamed defendants.

+ References

No definition available.

+ Details

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- Definition

The quarterly fee paid to a co-defendant to retain responsibility, and liability for and indemnify the entity's subsidiary against product liability claims for respirators manufactured prior to July 11, 1995.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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- Definition

Amount due in settlement of a claim for reimbursement from an insurance company when the Company has suffered a loss covered under an insurance policy.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The increase (decrease) during the reporting period in asbestos and environmental claims reserve, before estimated recoveries from reinsurers.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 40
-Section 50
-Paragraph 3
-Subparagraph (b),(c)
-URI http://asc.fasb.org/extlink&oid=116884095&loc=d3e14764-158437

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- Definition

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

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

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

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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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.

+ References

No definition available.

+ Details

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- Definition

Amount of loss contingency liability.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=121557415&loc=d3e14326-108349

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Data Type:	xbrli:monetaryItemType
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Period Type:	instant

- Definition

Amount of increase (decrease) in loss contingency liability.

+ References

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Data Type:	xbrli:monetaryItemType
Balance Type:	na
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- Definition

Amount of cash outflow reducing loss contingency liability.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Number of plaintiffs that have filed claims pertaining to a loss contingency.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Identifies individuals or entities that are co-defendants in a lawsuit, and who may have to pay all or a portion of any damages awarded.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
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- Details

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Commitments and Contingencies - Respirator (Details)	1 Months Ended	2 Months Ended	3 Months Ended		12 Months Ended
Commitments and Contingencies - Respirator (Details)	Apr. 30, 2018 USD ($)	Apr. 30, 2019 USD ($)	Jun. 30, 2020 USD ($)	Mar. 31, 2019 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2020 USD ($) individual	Dec. 31, 2020 USD ($) case	Dec. 31, 2020 USD ($) lawsuit	Dec. 31, 2020 USD ($)	Dec. 31, 2019 individual
Respirator Mask/Asbestos Litigation
Loss contingencies
Total number of named claimants \| individual						2,075				1,727
Number of years company has been the defendant in Respirator Mask/Asbestos Litigation					20 years
Number of total claims the Company prevailed after being taken to trial							15	2
Number of total claims taken to trial \| case							16
Respirator Mask/Asbestos Litigation \| State court of California
Loss contingencies
Number of total claims the Company prevailed after being taken to trial \| lawsuit								1
Respirator Mask/Asbestos Litigation \| State court of Kentucky
Loss contingencies
Litigation settlement awarded	$ 2,000,000
Number of unnamed defendant \| individual						2
Amount of punitive damages awarded	$ 63,000,000
Respirator Mask/Asbestos Litigation \| Kentucky and West Virginia
Loss contingencies
Settlement amount paid		$ 340,000,000
Respirator Mask/Asbestos Litigation - State of West Virginia
Loss contingencies
Number of additional defendants					two
Accrued loss contingency reserve					$ 0	$ 0	$ 0	$ 0	$ 0
Respirator Mask/Asbestos litigation - Excluding Aearo Technologies
Loss contingencies
Increase in liabilities, gross				$ 313,000,000					120,000,000
Payments for fees and settlements related to litigation									66,000,000
Insurance receivables					4,000,000	4,000,000	4,000,000	4,000,000	4,000,000
Accrued loss contingency reserve					662,000,000	662,000,000	662,000,000	662,000,000	662,000,000
Respirator Mask/Asbestos Litigation - Aearo Technologies
Loss contingencies
Accrued loss contingency reserve					$ 28,000,000	$ 28,000,000	$ 28,000,000	$ 28,000,000	28,000,000
Increase (decrease) accrued loss contingency reserve			$ (37,000,000)
Quarterly fee paid to Cabot to retain responsibility and liability for products manufactured before July 11, 1995									$ 100,000