Commitments and Contingencies (Claims for Asbestos) (Details) $ in Millions	12 Months Ended
	Dec. 31, 2020 USD ($) claim	Dec. 31, 2019 USD ($) claim
Liability for Asbestos and Environmental Claims [Roll Forward]
Claims outstanding as of January 1	592	745
New claims filed	115	251
Pending claims concluded	(146)	(404)
Claims outstanding as of December 31	561	592
Number of claims dismissed	126	373
Number of claims settled	20	31
Claims settlements amount | $	$ 5.4	$ 5.0