Conditional Increase In Maximum Borrowing Capacity Under Line Of Credit Facility

No definition available.

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Namespace Prefix:	fti_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

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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

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

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Indebtedness divided by net capital.

+ References

No definition available.

+ Details

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- Details

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- Details

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- Details

Name:	us-gaap_LineOfCreditFacilityAxis=fti_JPMorganChaseBankMember
Namespace Prefix:
Data Type:	na
Balance Type:
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- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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Debt Debt (Revolving Credit Facility) (Details)	Jan. 17, 2017 USD ($)	Mar. 31, 2020
Revolving credit facility
Line of Credit Facility
Ratio of Indebtedness to Net Capital		0.60
Line of Credit \| Revolving credit facility
Line of Credit Facility
Maximum borrowing capacity	$ 2,500,000,000
Conditional Increase In Maximum Borrowing Capacity Under Line Of Credit Facility	500,000,000.0
Line of Credit \| JPMorgan Chase Bank [Member] \| Letter of Credit [Member]
Line of Credit Facility
Maximum borrowing capacity	$ 1,500,000,000
Federal Funds Rate and Overnight Bank Funding Rate spread [Member] \| Revolving credit facility
Line of Credit Facility
Debt Instrument, Basis Spread on Variable Rate	0.50%
London Interbank Offered Rate (LIBOR) [Member] \| Revolving credit facility
Line of Credit Facility
Debt Instrument, Basis Spread on Variable Rate	1.00%
Minimum [Member] \| LIBOR and EURIBOR Loans [Member] \| Revolving credit facility
Line of Credit Facility
Debt Instrument, Basis Spread on Variable Rate	0.82%
Minimum [Member] \| Base Rate [Member] \| Revolving credit facility
Line of Credit Facility
Debt Instrument, Basis Spread on Variable Rate	0.00%
Maximum [Member] \| LIBOR and EURIBOR Loans [Member] \| Revolving credit facility
Line of Credit Facility
Debt Instrument, Basis Spread on Variable Rate	1.30%
Maximum [Member] \| Base Rate [Member] \| Revolving credit facility
Line of Credit Facility
Debt Instrument, Basis Spread on Variable Rate	0.30%