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		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Disaggregation of Revenue [Line Items]
Lease and other revenue	$ 53.3	$ 55.9	$ 102.7	$ 89.6
Revenue	2,960.9	3,845.0	6,086.1	7,233.0
Services
Disaggregation of Revenue [Line Items]
Revenue	2,243.9	3,134.3	4,671.3	5,926.1
Products
Disaggregation of Revenue [Line Items]
Revenue	663.7	654.8	1,312.1	1,217.3
Subsea
Disaggregation of Revenue [Line Items]
Revenue	1,184.0		2,338.4
Lease and other revenue	33.4		59.2
Revenue	1,217.4	1,730.3	2,397.6	3,107.0
Subsea \| Services
Disaggregation of Revenue [Line Items]
Revenue	834.4		1,640.7
Subsea \| Products
Disaggregation of Revenue [Line Items]
Revenue	349.6		697.7
Subsea \| Europe, Russia, Central Asia
Disaggregation of Revenue [Line Items]
Revenue	409.4		714.9
Subsea \| America
Disaggregation of Revenue [Line Items]
Revenue	331.3		781.9
Subsea \| Asia Pacific
Disaggregation of Revenue [Line Items]
Revenue	137.9		249.9
Subsea \| Africa
Disaggregation of Revenue [Line Items]
Revenue	261.6		541.4
Subsea \| Middle East
Disaggregation of Revenue [Line Items]
Revenue	43.8		50.3
Onshore/Offshore
Disaggregation of Revenue [Line Items]
Revenue	1,342.4		2,915.8
Revenue	1,342.4	1,812.9	2,915.8	3,576.9
Onshore/Offshore \| Services
Disaggregation of Revenue [Line Items]
Revenue	1,342.4		2,915.8
Onshore/Offshore \| Europe, Russia, Central Asia
Disaggregation of Revenue [Line Items]
Revenue	705.5		1,706.4
Onshore/Offshore \| America
Disaggregation of Revenue [Line Items]
Revenue	90.9		163.6
Onshore/Offshore \| Asia Pacific
Disaggregation of Revenue [Line Items]
Revenue	310.6		605.9
Onshore/Offshore \| Africa
Disaggregation of Revenue [Line Items]
Revenue	76.9		147.5
Onshore/Offshore \| Middle East
Disaggregation of Revenue [Line Items]
Revenue	158.5		292.4
Surface Technologies
Disaggregation of Revenue [Line Items]
Revenue	381.2		729.2
Lease and other revenue	19.9		43.5
Revenue	401.1	$ 300.0	772.7	$ 548.4
Surface Technologies \| Services
Disaggregation of Revenue [Line Items]
Revenue	67.1		114.8
Surface Technologies \| Products
Disaggregation of Revenue [Line Items]
Revenue	314.1		614.4
Surface Technologies \| Europe, Russia, Central Asia
Disaggregation of Revenue [Line Items]
Revenue	58.3		106.5
Surface Technologies \| America
Disaggregation of Revenue [Line Items]
Revenue	237.5		445.0
Surface Technologies \| Asia Pacific
Disaggregation of Revenue [Line Items]
Revenue	29.7		51.8
Surface Technologies \| Africa
Disaggregation of Revenue [Line Items]
Revenue	11.4		27.1
Surface Technologies \| Middle East
Disaggregation of Revenue [Line Items]
Revenue	$ 44.3		$ 98.8