Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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- Definition

Amount, after sales adjustments, returns, allowances, and discounts, of revenue classified as other.

+ References

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(a),(d))
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

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- Definition

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 32
-Paragraph 2A
-URI http://asc.fasb.org/extlink&oid=82859839&loc=SL82860478-203043

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=82913847&loc=SL49130543-203045

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=82913847&loc=SL49130539-203045

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=82913847&loc=SL49130545-203045

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- Definition

Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

+ References

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

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Revenue - Disaggregation of Revenue, Geographical (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Disaggregation of Revenue [Line Items]
Lease and other revenue	$ 49.4	$ 33.7
Revenue	3,125.2	3,388.0
Subsea
Disaggregation of Revenue [Line Items]
Revenue	1,154.4
Lease and other revenue	25.8
Revenue	1,180.2	1,376.7
Subsea \| Services
Disaggregation of Revenue [Line Items]
Revenue	806.3
Subsea \| Products
Disaggregation of Revenue [Line Items]
Revenue	348.1
Subsea \| Europe, Russia, Central Asia
Disaggregation of Revenue [Line Items]
Revenue	305.5
Subsea \| America
Disaggregation of Revenue [Line Items]
Revenue	450.6
Subsea \| Asia Pacific
Disaggregation of Revenue [Line Items]
Revenue	112.0
Subsea \| Africa
Disaggregation of Revenue [Line Items]
Revenue	279.8
Subsea \| Middle East
Disaggregation of Revenue [Line Items]
Revenue	6.5
Onshore/Offshore
Disaggregation of Revenue [Line Items]
Revenue	1,573.4
Lease and other revenue	0.0
Revenue	1,573.4	1,764.0
Onshore/Offshore \| Services
Disaggregation of Revenue [Line Items]
Revenue	1,573.4
Onshore/Offshore \| Products
Disaggregation of Revenue [Line Items]
Revenue	0.0
Onshore/Offshore \| Europe, Russia, Central Asia
Disaggregation of Revenue [Line Items]
Revenue	1,000.9
Onshore/Offshore \| America
Disaggregation of Revenue [Line Items]
Revenue	72.7
Onshore/Offshore \| Asia Pacific
Disaggregation of Revenue [Line Items]
Revenue	295.3
Onshore/Offshore \| Africa
Disaggregation of Revenue [Line Items]
Revenue	70.6
Onshore/Offshore \| Middle East
Disaggregation of Revenue [Line Items]
Revenue	133.9
Surface Technologies
Disaggregation of Revenue [Line Items]
Revenue	348.0
Lease and other revenue	23.6
Revenue	371.6	$ 248.4
Surface Technologies \| Services
Disaggregation of Revenue [Line Items]
Revenue	47.7
Surface Technologies \| Products
Disaggregation of Revenue [Line Items]
Revenue	300.3
Surface Technologies \| Europe, Russia, Central Asia
Disaggregation of Revenue [Line Items]
Revenue	48.2
Surface Technologies \| America
Disaggregation of Revenue [Line Items]
Revenue	207.5
Surface Technologies \| Asia Pacific
Disaggregation of Revenue [Line Items]
Revenue	22.1
Surface Technologies \| Africa
Disaggregation of Revenue [Line Items]
Revenue	15.7
Surface Technologies \| Middle East
Disaggregation of Revenue [Line Items]
Revenue	$ 54.5