XML 17 R39.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Organization (Details) (USD $) In Millions, unless otherwise specified | 0 Months Ended | 12 Months Ended
--- | --- | ---
Feb. 06, 2013 | Dec. 31, 2013 property
Number Of Vessels Sold |  | 2
Utilization Agreement Term |  | 4 years
Proceeds from Divestiture of Businesses | $ 624 |
Life Of Field Services [Member] |  |
Number of Reportable Segments |  | 4
Historical Segments [Member] |  |
Number of Reportable Segments |  | 2
Contracting Services Segments [Member] |  |
Number of Reportable Segments |  | 3

X
- Definition The number of vessels sold during the period. + References No definition available. + Details
Name: | hlx_NumberOfVesselsSold
Namespace Prefix: | hlx_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition The term of the utilization agreement. + References No definition available. + Details
Name: | hlx_UtilizationAgreementTerm
Namespace Prefix: | hlx_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements. + References No definition available. + Details
Name: | us-gaap_NumberOfReportableSegments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition The cash inflow associated with the amount received from the sale of a portion of the company's business, for example a segment, division, branch or other business, during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3179-108585 + Details
Name: | us-gaap_ProceedsFromDivestitureOfBusinesses
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration