SUBSEQUENT EVENT	6 Months Ended
	Jun. 30, 2021
Subsequent Events [Abstract]
SUBSEQUENT EVENT	SUBSEQUENT EVENTSIn accordance with the Share Purchase Agreement between Technip-Coflexip UK Holdings Limited (“TUK”) and Island Offshore Management AS (“Island Offshore”) that was executed on March 12, 2018, whereby TUK initially purchased 51% of the shares of TIOS AS, a joint venture between TUK and Island Offshore (“TIOS”), TUK intends to acquire the remaining 49% interest in TIOS at a total price of $48.7 million. As of December 31, 2020 we owned a 51% share in TIOS and the redeemable non-controlling interest was recorded as mezzanine equity at fair value of $43.7 million. During the second quarter of 2021, the redeemable non-controlling interest was accreted to the redemption amount and classified as a current liability as of June 30, 2021 in our condensed consolidated balance sheet. See Note 9 for further details.On July 29, 2021 we announced the launch and pricing of the sale of 16 million Technip Energies shares, representing 9% of Technip Energies’ issued and outstanding share capital, through a private placement by way of an accelerated bookbuild offering (the “Placement”). The sale price of the shares in the Placement was set at €11.20 per share, yielding total gross proceeds of €179.2 million or $212.8 million. Settlement for the Placement is expected to take place on or around August 3, 2021. TechnipFMC has agreed to a 60-day lock-up for its remaining shares in Technip Energies, subject to waiver from the Joint Global Coordinators and certain other customary exceptions. Upon completion of the Placement, TechnipFMC will retain a direct stake of 39.5 million shares, representing 22% of Technip Energies’ issued and outstanding share capital.