Consolidated Balance Sheets - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Assets
Cash and cash equivalents	$ 1,327.4	$ 1,269.2
Trade receivables, net of allowances of $38.1 in 2021 and $40.2 in 2020	911.9	987.7
Contract assets, net of allowances of $1.1 in 2021 and $2.4 in 2020	966.0	886.8
Inventories, net (Note 10)	1,031.9	1,252.8
Derivative financial instruments (Note 24)	110.3	268.7
Income taxes receivable	85.0	274.7
Advances paid to suppliers	79.4	96.3
Other current assets (Note 11)	512.3	683.4
Investment in Technip Energies	317.3	0.0
Current assets of discontinued operations	0.0	5,725.1
Total current assets	5,341.5	11,444.7
Investments in equity affiliates (Note 13)	292.4	305.5
Property, plant and equipment, net (Note 15)	2,597.2	2,756.2
Operating lease right-of-use assets (Note 5)	707.9	784.9
Finance lease right-of-use assets (Note 5)	52.2	27.5
Intangible assets, net (Note 16)	813.7	851.3
Deferred income taxes (Note 22)	74.3	34.2
Derivative financial instruments (Note 24)	10.5	29.2
Other assets	130.4	175.6
Non-current assets of discontinued operations	0.0	3,283.5
Total assets	10,020.1	19,692.6
Liabilities and equity
Short-term debt and current portion of long-term debt (Note 17)	277.6	624.7
Operating lease liabilities (Note 5)	126.2	195.5
Finance lease liabilities (Note 5)	0.7	26.9
Accounts payable, trade	1,294.3	1,201.0
Contract liabilities	1,012.9	1,046.8
Accrued payroll	194.1	186.8
Derivative financial instruments (Note 24)	161.0	157.5
Income taxes payable	124.6	61.2
Other current liabilities (Note 11)	660.4	818.3
Current liabilities of discontinued operations	0.0	6,096.5
Total current liabilities	3,851.8	10,415.2
Long-term debt, less current portion (Note 17)	1,727.3	2,835.5
Operating lease liabilities, less current portion (Note 5)	646.8	632.8
Finance lease liabilities (Note 5)	51.1	0.0
Deferred income taxes (Note 22)	47.5	79.3
Accrued pension and other post-retirement benefits, less current portion (Note 23)	113.4	268.4
Derivative financial instruments (Note 24)	15.5	18.8
Other liabilities	148.3	103.3
Non-current liabilities of discontinued operations	0.0	1,081.3
Total liabilities	6,601.7	15,434.6
Commitments and contingent liabilities (Note 21)
Redeemable non-controlling interest	0.0	43.7
Stockholders’ equity (Note 18)
Ordinary shares, $1 par value; 618.3 shares authorized in 2021 and 2020; 450.7 shares and 449.5 shares issued and outstanding in 2021 and 2020, respectively; nil shares canceled in 2021 and 2020, respectively	450.7	449.5
Capital in excess of par value of ordinary shares	9,160.8	10,242.4
Accumulated deficit	(4,903.8)	(4,915.2)
Accumulated other comprehensive loss	(1,305.0)	(1,622.5)
Total TechnipFMC plc stockholders’ equity	3,402.7	4,154.2
Total equity	3,418.4	4,214.3
Total liabilities and equity	10,020.1	19,692.6
Non-controlling interests
Stockholders’ equity (Note 18)
Non-controlling interests	15.7	40.4
Non-controlling interests of discontinued operations
Assets
Total assets	0.0	9,008.6
Stockholders’ equity (Note 18)
Non-controlling interests	$ 0.0	$ 19.7