Environmental and Legal Contingencies (Details 4)	12 Months Ended
	Dec. 31, 2015 USD ($) defendants plaintiffs claims-lawsuits
Asbestos Claims With Specific Dollar Claim For Damages [Member]
Information on pending asbestos cases [Line Items]
Total asbestos cases pending | claims-lawsuits	131	[1]
Claims with specific dollar claims for damages [Abstract]
Asbestos Lawsuits Pending With Dollars Number Of Plaintiffs | plaintiffs	2,331
Asbestos Lawsuits Pending With Dollars Number Of Defendants | defendants	17,116
Asbestos Claims With Specific Dollar Claim For Damages [Member] | Asbestos claims up to $0.2 [Member]
Information on pending asbestos cases [Line Items]
Total asbestos cases pending | claims-lawsuits	122
Claims with specific dollar claims for damages [Abstract]
Asbestos Lawsuits Pending With Dollars Lower Range	$ 0
Asbestos Lawsuits Pending With Dollars Upper Range	$ 200,000
Asbestos Claims With Specific Dollar Claim For Damages [Member] | Asbestos claims above $0.2 to $5.0 [Member]
Information on pending asbestos cases [Line Items]
Total asbestos cases pending | claims-lawsuits	5
Claims with specific dollar claims for damages [Abstract]
Asbestos Lawsuits Pending With Dollars Lower Range	$ 200,000
Asbestos Lawsuits Pending With Dollars Upper Range	$ 5,000,000
Asbestos Claims With Specific Dollar Claim For Damages [Member] | Asbestos claims above $5.0 to $15.0 [Member]
Information on pending asbestos cases [Line Items]
Total asbestos cases pending | claims-lawsuits	2
Claims with specific dollar claims for damages [Abstract]
Asbestos Lawsuits Pending With Dollars Lower Range	$ 5,000,000
Asbestos Lawsuits Pending With Dollars Upper Range	$ 15,000,000
Asbestos Claims With Specific Dollar Claim For Damages [Member] | Asbestos claims above $15.0 to $20.0 [Member]
Information on pending asbestos cases [Line Items]
Total asbestos cases pending | claims-lawsuits	2
Claims with specific dollar claims for damages [Abstract]
Asbestos Lawsuits Pending With Dollars Lower Range	$ 15,000,000
Asbestos Lawsuits Pending With Dollars Upper Range	$ 20,000,000
Asbestos Claims Without Specific Dollar Claim For Damages [Member]
Information on pending asbestos cases [Line Items]
Total asbestos cases pending | claims-lawsuits	252
Asbestos Issue [Member]
Information on pending asbestos cases [Line Items]
Total asbestos cases pending | claims-lawsuits	383

[1] Involve a total of 2,331 plaintiffs and 17,116 defendants