Guarantee Obligations, Expiration Period

No definition available.

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Namespace Prefix:	fti_
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- Definition

Litigation Settlement, Deferred Prosecution Agreement Period

+ References

No definition available.

+ Details

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Namespace Prefix:	fti_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Litigation Settlement, Report Submission Period

+ References

No definition available.

+ Details

Name:	fti_LitigationSettlementReportSubmissionPeriod
Namespace Prefix:	fti_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Loss Contingency, Guilty Claims, Number

+ References

No definition available.

+ Details

Name:	fti_LossContingencyGuiltyClaimsNumber
Namespace Prefix:	fti_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_GuaranteeObligationsLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Aggregate carrying amount of the estimated litigation liability for known or estimated probable loss from litigation, which may include attorneys' fees and other litigation costs.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=121557415&loc=d3e14326-108349

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.25)
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount awarded to other party in judgment or settlement of litigation.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of litigation expense, including but not limited to legal, forensic, accounting, and investigative fees.

+ References

No definition available.

+ Details

Name:	us-gaap_LitigationSettlementExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_CounterpartyNameAxis=fti_BrazilianAuthoritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_CounterpartyNameAxis=fti_UnitedStatesAuthoritiesMember
Namespace Prefix:
Data Type:	na
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Period Type:

- Details

Name:	us-gaap_GuaranteeObligationsByNatureAxis=us-gaap_IndirectGuaranteeOfIndebtednessMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

COMMITMENTS AND CONTINGENT LIABILITIES - Narrative (Details) $ in Millions		1 Months Ended	12 Months Ended
	Jun. 25, 2019 USD ($) count	Sep. 30, 2019 USD ($)	Dec. 31, 2021 USD ($)
Guarantor Obligations [Line Items]
Litigation settlement, amount awarded to other party	$ 301.3
Deferred Prosecution Agreement period	3 years
Litigation settlement, expense		$ 5.1
Estimated litigation liability			$ 70.0
Technip USA, Inc.
Guarantor Obligations [Line Items]
Number of guilty counts \| count	1
Brazilian authorities
Guarantor Obligations [Line Items]
Report submission period	2 years
U.S. Authorities
Guarantor Obligations [Line Items]
Report submission period	3 years
Indirect guarantee of indebtedness
Guarantor Obligations [Line Items]
Guarantor obligations, term			5 years