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Commitments and Contingencies (Schedule of Loss Contingencies) (Details) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2018 USD ($) claims
Liability for Asbestos and Environmental Claims [Roll Forward] |
Claims outstanding at December 31, 2017 | 687
New claims filed | 65
Pending claims concluded | (78)
Claims outstanding at March 31, 2018 | 674
Number of claims dismissed | 74
Number of claims settled (claim) | 4
Claims settlements amount | $ | $ 2.5

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