Contingencies and Commitments (Details) (USD $)			12 Months Ended	0 Months Ended	1 Months Ended				6 Months Ended	12 Months Ended	1 Months Ended					12 Months Ended				1 Months Ended					12 Months Ended		1 Months Ended			0 Months Ended		1 Months Ended			3 Months Ended	6 Months Ended	12 Months Ended	1 Months Ended
	Jun. 30, 2014	Dec. 31, 2013	Dec. 31, 2011 Tutor-Saliba-Perini Joint Venture vs. Los Angeles MTA Matter	Jun. 30, 2014 Perini/Kiewit/Cashman Joint Venture-Central Artery/Tunnel Project Matter item	Jan. 31, 2013 Perini/Kiewit/Cashman Joint Venture-Central Artery/Tunnel Project Matter	Feb. 29, 2012 Perini/Kiewit/Cashman Joint Venture-Central Artery/Tunnel Project Matter	Oct. 31, 2011 Perini/Kiewit/Cashman Joint Venture-Central Artery/Tunnel Project Matter	Dec. 31, 2010 Perini/Kiewit/Cashman Joint Venture-Central Artery/Tunnel Project Matter	Jun. 30, 2014 Perini/Kiewit/Cashman Joint Venture-Central Artery/Tunnel Project Matter item	Dec. 31, 2000 Perini/Kiewit/Cashman Joint Venture-Central Artery/Tunnel Project Matter	Feb. 29, 2012 Long Island Expressway/Cross Island Parkway Matter	Mar. 31, 2011 Long Island Expressway/Cross Island Parkway Matter	May 31, 2012 Long Island Expressway/Cross Island Parkway Matter	Sep. 30, 2011 Long Island Expressway/Cross Island Parkway Matter	Feb. 28, 2006 Long Island Expressway/Cross Island Parkway Matter	Dec. 31, 2009 Fontainebleau Matter item	Jul. 31, 2010 Fontainebleau Matter	May 31, 2010 Fontainebleau Matter	Jun. 30, 2009 Fontainebleau Matter	Oct. 31, 2013 MGM CityCenter Matter	Aug. 31, 2013 MGM CityCenter Matter	Jul. 30, 2013 MGM CityCenter Matter	Jul. 31, 2012 MGM CityCenter Matter item	Mar. 31, 2005 MGM CityCenter Matter item acre	Dec. 31, 2012 MGM CityCenter Matter	Jun. 30, 2014 MGM CityCenter Matter	Jun. 30, 2003 Honeywell Street/Queens Boulevard Bridges Matter	Mar. 31, 2010 Honeywell Street/Queens Boulevard Bridges Matter	Dec. 31, 2010 Westgate Planet Hollywood Matter	Mar. 20, 2014 Westgate Planet Hollywood Matter TSC	Mar. 20, 2014 Westgate Planet Hollywood Matter WPH	Apr. 30, 2013 Brightwater Matter	Dec. 31, 2012 Brightwater Matter	Apr. 30, 2010 Brightwater Matter	Dec. 31, 2012 Brightwater Matter	Jun. 30, 2014 Brightwater Matter	Dec. 31, 2011 Brightwater Matter	Jun. 30, 2012 156 Stations Matter	Dec. 31, 2003 156 Stations Matter item	Feb. 28, 2013 156 Stations Matter
Contingencies and Commitments
Judgment in favor of TSP			$ 3,000,000
Tunnel handrail verdict against TSP			500,000
Ownership percentage in joint venture									56.00%																											20.00%
Estimated minimum costs of owner-directed changes to work										100,000,000
Number of construction experts in Disputes Review Board									3
Total number of Disputes Review Board panels				5					5
Total value of DRB awards issued in PKC's favor				128,000,000					128,000,000
Total value of binding DRB awards issued in PKC's favor				110,000,000					110,000,000
Amount of Third DRB awards previously awarded to PKC which have been vacated by Court								56,500,000
Amount of Fourth DRB awards that MHD moved to vacate								13,700,000
Amount of Fourth DRB awards previously awarded to PKC which have been vacated by Court							8,000,000
Interest award payment received by PKC from MHD						22,000,000
Receipt of payment for back charges and interest					14,800,000
Damages awarded to PKC which were anticipated to be paid including interest				85,600,000
Estimated value of project completed in Feb. 2006															130,000,000
Value of claim filed											53,800,000	53,800,000															8,750,000							74,000,000			132,000,000
Amount receivable as per final agreement														500,000
Value of cross complaint filed																													51,000,000
Value of counterclaim filed													151,000,000															74,600,000	45,000,000					75,000,000
Number of rooms in hotel/casino complex																3,800
Amount of court order in favor of plaintiff																		45,000,000																						12,300,000
Amount set aside from approved sale for distribution to satisfy creditor claims																	125,000,000
Estimated sustainable lien amount																	350,000,000
Number of contracts in project																								19
Area allotted to the project (in acres)																								66
Number of CityCenter buildings included in motion to be demolished																							1
Estimated cost to repair facility																									21,000,000
Estimated cost to repair facility due to design defects																									15,000,000
Third party settlements attributable to alleged damages on the Harmon																				33,000,000
Amount settled with MGM																										348,000,000
Contract receivables	1,454,045,000	1,291,246,000																								165,700,000
Total outstanding liens on property, including subcontractors' liens																			44,000,000							173,700,000			23,200,000
Amount of damages paid																															649,568
Value of mechanic's lien release bond																													22,300,000
Verdict awarded by jury																														19,677,731	3,099,719		155,800,000
Damages awarded																																	26,300,000
Attorney's fees to be paid by VPFK																																14,700,000
Provision for contingency accrual																																			5,000,000
Number of stations for the New York City Transit Authority																																							156
Settlement on judgment																						39,800,000																11,900,000
Maximum number of days awarded claim must be paid																																						45 days
Settlement receipt																					$ 39,800,000