Asbestos-Related Liabilities (Summary of Percentage of Outstanding Claims Related to Claimants Alleging Serious Diseases) (Details)	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Total claims
Causes of Increase (Decrease) in Liability for Unpaid Claims and Claims Adjustment Expense [Line Items]
Claims alleging serious diseases, percentage	24.00%	23.00%	22.00%
Pre-1965 claims in states without asbestos legislation
Causes of Increase (Decrease) in Liability for Unpaid Claims and Claims Adjustment Expense [Line Items]
Claims alleging serious diseases, percentage	42.00%	41.00%	41.00%

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.

No definition available.

Name:	us-gaap_CausesOfIncreaseDecreaseInLiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration