XML 148 R37.htm IDEA: XBRL DOCUMENT v3.24.4

Schedule of Consolidated Financial Statements Reflect the Activities of FBS Cayman (Details)	6 Months Ended	12 Months Ended
	Jun. 30, 2024	Dec. 31, 2023	Feb. 22, 2022
Success Elite Development Limited [Member]
Date of incorporation	Feb. 22, 2022	Feb. 22, 2022
Percentage of direct or indirect economic ownership	100.00%	100.00%	100.00%
Principal activities	Investment Holding	Investment Holding Company
Fine Build Systems Pte Ltd [Member]
Date of incorporation	Mar. 09, 1996	Mar. 09, 1996
Percentage of direct or indirect economic ownership	100.00%	100.00%
Principal activities	General Contractors Building	General Contractors Building construction including major upgrading works

X

- Definition

Date when an entity was incorporated

+ References

No definition available.

+ Details

Name:	dei_EntityIncorporationDateOfIncorporation
Namespace Prefix:	dei_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

X

- Definition

A description of the principal activities of an investee accounted for under the equity method.

+ References

No definition available.

+ Details

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

X

- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 323
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481687/323-10-50-3

+ Details

Name:	us-gaap_EquityMethodInvestmentOwnershipPercentage
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

X

- Details

Name:	srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=FBGL_SuccessEliteDevelopmentLimitedMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=FBGL_FineBuildSystemsPteLtdMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: