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Asbestos-Related Liabilities (Summary of Percentage of Outstanding Claims Related to Claimants Alleging Serious Diseases) (Details)	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Causes of Increase (Decrease) in Liability for Unpaid Claims and Claims Adjustment Expense [Line Items]
Claims alleging serious diseases	22.00%	22.00%	22.00%
Pre-1964 Claims in States without Asbestos Legislation [Member]
Causes of Increase (Decrease) in Liability for Unpaid Claims and Claims Adjustment Expense [Line Items]
Claims alleging serious diseases	41.00%	41.00%	41.00%

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- Definition

Percentage of asbestos-related claims alleging serious diseases outstanding as of the balance sheet date.

+ References

No definition available.

+ Details

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

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- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: