Commitments and Contingent Liabilities (Details) (Asbestos Related Product Liability, USD $) In Millions, unless otherwise specified	3 Months Ended	12 Months Ended
Mar. 31, 2015 claims	Dec. 31, 2014 claims
Asbestos Related Product Liability
Number of claims filed
Pending claims, beginning of period	73,800	74,000
New claims filed	400	1,900
Claims settled/dismissed	(1,000)	(2,100)
Pending claims, end of period	73,200	73,800
Payments	$ 4	$ 20

Amount of payments made reducing loss contingency liability.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 50

-Paragraph 1

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The number of claims settled and dismissed during the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 50

-Paragraph 4

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14435-108349

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Number of pending claims pertaining to a loss contingency.

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