Merger of FMC Technologies and Technip (Acquisition Date Fair Value) (Detail) $ / shares in Units, $ in Millions		Jan. 16, 2017 USD ($) $ / shares shares	Mar. 31, 2017 shares	Dec. 31, 2016 shares
Business Acquisition
Shares subject to exchange (in shares)			466,600,000	118,900,000
Euro to U.S. dollar exchange rate		1.0594
FMC Technologies
Business Acquisition
FMC Technologies Inc. exchange ratio		1.0
Technip
Business Acquisition
FMC Technologies Inc. exchange ratio		2.0
FMCTI Merger
Business Acquisition
Shares subject to exchange (in shares)		228,900,000
FMC Technologies Inc. exchange ratio	[1]	0.5
Shares of TechnipFMC issued (in shares)		114,400,000
Value per share of Technip (usd per share) | $ / shares	[2]	$ 71.40
Total purchase consideration | $		$ 8,170.7

[1] As the calculation is deemed to reflect a share capital increase of the accounting acquirer, the FMC Technologies, Inc. exchange ratio (1 share of TechnipFMC for 1 share of FMC Technologies, Inc. as provided in the business combination agreement) is adjusted by dividing the FMC Technologies exchange ratio by the Technip exchange ratio (2 shares of TechnipFMC for 1 share of Technip as provided in the business combination agreement), i.e., 1/2 = 0.5 in order to reflect the number of shares of Technip that FMC Technologies stockholders would have received if Technip was to have issued its own shares.

[2] Closing price of Technip's ordinary shares on Euronext Paris on January 16, 2017 in Euro converted at the Euro to U.S. dollar exchange rate of $1.0594 on January 16, 2017.