Condensed Consolidated Statements Of Income (Unaudited) - USD ($) shares in Millions, $ in Millions		3 Months Ended		9 Months Ended
		Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Revenue:
Lease revenue		$ 85.7	$ 60.7	$ 200.9	$ 163.4
Total revenue		3,335.1	3,143.8	9,682.3	9,229.9
Costs and expenses
Cost of lease revenue		56.5	30.9	126.2	99.4
Selling, general and administrative expense		298.1	250.6	919.7	835.1
Research and development expense		40.6	38.6	110.0	133.3
Impairment, restructuring and other expenses (Note 16)		140.3	9.7	166.0	32.6
Separation costs (Note 2)		9.4	0.0	9.4	0.0
Merger transaction and integration costs		6.2	6.3	31.2	20.9
Total costs and expenses		3,221.0	2,863.7	9,119.8	8,527.2
Other income (expense), net		(57.7)	10.4	(156.5)	(12.6)
Income from equity affiliates (Note 11)		25.9	16.4	54.0	70.6
Income before net interest expense and income taxes		82.3	306.9	460.0	760.7
Net interest expense		(116.5)	(106.0)	(345.3)	(244.3)
Income (loss) before income taxes	[1]	(34.2)	200.9	114.7	516.4
Provision for income taxes (Note 18)		81.1	66.7	96.5	180.7
Net income (loss)		(115.3)	134.2	18.2	335.7
Net (income) loss attributable to noncontrolling interests		(3.8)	2.7	(19.4)	2.0
Net income (loss) attributable to TechnipFMC plc		$ (119.1)	$ 136.9	$ (1.2)	$ 337.7
Earnings (loss) per share attributable to TechnipFMC plc (Note 8)
Basic (usd per share)		$ (0.27)	$ 0.30		$ 0.73
Diluted (usd per share)		$ (0.27)	$ 0.30	$ 0	$ 0.73
Weighted average shares outstanding (Note 8)
Basic (in shares)		446.9	454.5	448.6	460.0
Diluted (in shares)		446.9	459.0	448.6	464.0
Services
Revenue:
Revenue		$ 2,409.6	$ 2,276.9	$ 7,009.5	$ 6,616.9
Costs and expenses
Cost of goods and services sold		1,926.0	1,860.2	5,520.1	5,488.4
Products
Revenue:
Revenue		839.8	806.2	2,471.9	2,449.6
Costs and expenses
Cost of goods and services sold		$ 743.9	$ 667.4	$ 2,237.2	$ 1,917.5

[1] Includes amounts attributable to noncontrolling interests.