Litigation (Details) $ in Millions	Jan. 27, 2014 USD ($) defendant	Jul. 01, 2008 jury_trial defendant	Dec. 31, 2016 cases
Trial by Jury, State of Rhode Island
Loss Contingencies [Line Items]
Number of jury trials | jury_trial		2
Number of additional defendants		2
Santa Clara County, California Proceeding
Loss Contingencies [Line Items]
Number of additional defendants	2
Amount payable jointly and severally for litigation | $	$ 1,150
Pending litigation | Personal Injury
Loss Contingencies [Line Items]
Number of pending cases | cases			3