Contingencies (Details)-K	3 Months Ended	12 Months Ended
	Dec. 31, 2015 USD ($) item	Dec. 31, 2015 USD ($) item	Dec. 31, 2014 USD ($) item	Dec. 31, 2013 USD ($) item	Dec. 31, 2012 item	Dec. 31, 1993 USD ($)
Percentage of asbestos plaintiffs
Sale of goods containing asbestos from 1948 to 1958		$ 40,000,000
Approximate number of claims disposed of to date | item	396,000	396,000
Average indemnity payment per claim	$ 9,200	$ 9,200
Deferred amounts payable	17,000,000	17,000,000	$ (13,000,000)
Payments for Asbestos-Related Liabilities		138,000,000	$ 148,000,000	$ 158,000,000
Asbestos-related liability, total amount accrued beginning in 1993 through 2014 before insurance recoveries	4,600,000,000	$ 4,600,000,000				$ 975,000,000
Number of years, estimate of accrued liability		4 years
Asbestos related charges	$ 225,000,000	$ 522,000,000
Approximate number of plaintiffs and claimants asbestos claims pending against the entity
Number of pending plaintiffs and claimants | item	2,080	2,080	2,260	2,620	2,610
Disposed (in number of litigants) | item		1,460	1,830	1,700
Filed (in number of litigants) | item		1,280	1,470	1,710
Damages unspecified or sufficient to invoke jurisdictional minimum
Percentage of asbestos plaintiffs
Percentage of asbestos plaintiffs, approximate percentage	82.00%	82.00%
Damages of $15 million or less
Percentage of asbestos plaintiffs
Percentage of asbestos plaintiffs, approximate percentage	11.00%	11.00%
Damages greater than $15 million but less than $100 million
Percentage of asbestos plaintiffs
Percentage of asbestos plaintiffs, approximate percentage	7.00%	7.00%