Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1)
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

Name:	us-gaap_Revenues
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Nature of the Business and Summary of Significant Accounting Policies (Details Textual 1) $ in Billions	3 Months Ended		6 Months Ended
	Jun. 30, 2016 USD ($)	Jun. 30, 2015 USD ($)	Jun. 30, 2016 USD ($) Employee1	Jun. 30, 2015 USD ($)
Noncontrolling Interest [Line Items]
Revenue \| $
Consolidated Contractors International Company, SAL [Member]
Noncontrolling Interest [Line Items]
Revenue \| $			$ 5.5
Number of employees \| Employee1			(130,000)
Consolidated Contractors (Oman) Company LLC [Member]
Noncontrolling Interest [Line Items]
Number of employees \| Employee1			13,000