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Amount of lease income from operating, direct financing, and sales-type leases. Includes, but is not limited to, variable lease payments, interest income, profit (loss) recognized at commencement, and lease payments paid and payable to lessor.

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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).

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REVENUE - Disaggregation of revenue, geographical (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Disaggregation of Revenue [Line Items]
Lease revenue	$ 60.1	$ 46.6	$ 105.1	$ 79.4
Total revenue	1,717.2	1,668.8	3,273.0	3,300.8
Services
Disaggregation of Revenue [Line Items]
Revenue	974.9	913.4	1,871.6	1,739.6
Products
Disaggregation of Revenue [Line Items]
Revenue	682.2	708.8	1,296.3	1,481.8
Subsea
Disaggregation of Revenue [Line Items]
Revenue	1,414.6	1,394.3	2,703.7	2,780.8
Lease revenue	18.3	16.1	30.3	27.4
Subsea \| Operating Segments
Disaggregation of Revenue [Line Items]
Total revenue	1,414.6	1,394.3	2,703.7	2,780.8
Subsea \| Services
Disaggregation of Revenue [Line Items]
Revenue	920.4	875.1	1,766.0	1,668.5
Subsea \| Products
Disaggregation of Revenue [Line Items]
Revenue	475.9	503.1	907.4	1,084.9
Subsea \| Europe and Central Asia
Disaggregation of Revenue [Line Items]
Revenue	403.6	411.3	759.6	679.7
Subsea \| Latin America
Disaggregation of Revenue [Line Items]
Revenue	332.5	277.4	657.3	598.2
Subsea \| Africa
Disaggregation of Revenue [Line Items]
Revenue	253.7	267.4	436.8	562.7
Subsea \| Asia Pacific
Disaggregation of Revenue [Line Items]
Revenue	202.1	246.9	423.6	491.9
Subsea \| North America
Disaggregation of Revenue [Line Items]
Revenue	176.8	189.6	377.2	419.7
Subsea \| Middle East
Disaggregation of Revenue [Line Items]
Revenue	45.9	1.7	49.2	28.6
Surface Technologies
Disaggregation of Revenue [Line Items]
Revenue	302.6	274.5	569.3	520.0
Lease revenue	41.8	30.5	74.8	52.0
Surface Technologies \| Operating Segments
Disaggregation of Revenue [Line Items]
Total revenue	302.6	274.5	569.3	520.0
Surface Technologies \| Services
Disaggregation of Revenue [Line Items]
Revenue	54.5	38.3	105.6	71.1
Surface Technologies \| Products
Disaggregation of Revenue [Line Items]
Revenue	206.3	205.7	388.9	396.9
Surface Technologies \| Europe and Central Asia
Disaggregation of Revenue [Line Items]
Revenue	40.3	55.1	79.5	98.9
Surface Technologies \| Latin America
Disaggregation of Revenue [Line Items]
Revenue	27.2	17.2	48.8	35.1
Surface Technologies \| Africa
Disaggregation of Revenue [Line Items]
Revenue	9.6	13.1	18.1	22.7
Surface Technologies \| Asia Pacific
Disaggregation of Revenue [Line Items]
Revenue	20.6	26.8	44.2	51.3
Surface Technologies \| North America
Disaggregation of Revenue [Line Items]
Revenue	144.5	92.8	260.7	167.3
Surface Technologies \| Middle East
Disaggregation of Revenue [Line Items]
Revenue	$ 60.4	$ 69.5	$ 118.0	$ 144.7