Special charges to increase asbestos and environmental reserves

No definition available.

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- Definition

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

+ References

No definition available.

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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, after effects of reinsurance, of expense (reversal of expense) for claims incurred in prior reporting periods and related claims settlement costs.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 40
-Section 50
-Paragraph 3
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=116884095&loc=d3e14764-158437

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- Details

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Segments of Operations - Narrative (Details) $ in Millions	3 Months Ended		9 Months Ended
Segments of Operations - Narrative (Details) $ in Millions	Sep. 30, 2019 USD ($)	Sep. 30, 2018 USD ($)	Sep. 30, 2019 USD ($) segment	Sep. 30, 2018 USD ($)
Segment Reporting Information [Line Items]
Number of segments \| segment			3
Other
Segment Reporting Information [Line Items]
Special charges to increase asbestos and environmental reserves	$ 11	$ 9
Special Asbestos and Environmental reserve charges
Segment Reporting Information [Line Items]
Net increase (decrease) in the provision for claims of prior years			$ 18	$ 18
Special Asbestos and Environmental reserve charges \| Property and Casualty Insurance \| Other lines
Segment Reporting Information [Line Items]
Net increase (decrease) in the provision for claims of prior years	$ 18	$ 18	$ 18	$ 18