No definition available.

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Namespace Prefix:	TRLEF_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Natural gas revenue deposit percentage.

+ References

No definition available.

+ Details

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Namespace Prefix:	TRLEF_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The amount of outstanding funds that the entity is obligated to repay.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2023-01-01
-Paragraph 55
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_55&doctype=Standard
-URIDate 2023-03-23

+ Details

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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The maturity of borrowings. [Refer: Borrowings]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IFRS
-Number 7
-IssueDate 2023-01-01
-Paragraph 7
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_7&doctype=Standard
-URIDate 2023-03-23

+ Details

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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The amount of the estimated financial effect of contingent liabilities. [Refer: Contingent liabilities [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 37
-IssueDate 2023-01-01
-Paragraph 86
-Subparagraph a
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=37&code=ifrs-tx-2023-en-r&anchor=para_86_a&doctype=Standard
-URIDate 2023-03-23

+ Details

Name:	ifrs-full_EstimatedFinancialEffectOfContingentLiabilities
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

Name:	ifrs-full_BorrowingsByNameAxis=TRLEF_TR1MasterFundLoansMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

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

- Details

Name:	srt_StatementGeographicalAxis=srt_EuropeMember
Namespace Prefix:
Data Type:	na
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Name:	ifrs-full_ClassesOfLiabilitiesAxis=TRLEF_AccountsPayablesAndAccruedLiabilitiesMember
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Commitments and Contingencies (Details Narrative) - USD ($)		12 Months Ended
	Apr. 20, 2023	Dec. 31, 2023	Dec. 31, 2022
IfrsStatementLineItems [Line Items]
Natural gas revenue deposit percentage		10.00%
Total loans payable		$ 3,464,450	$ 166,555
Loan, maturity date	April 30, 2025
TR1 master fund loans [member]
IfrsStatementLineItems [Line Items]
Total loans payable		$ 2,822,250
Loan, maturity date		December 31, 2023
Legal proceedings contingent liability [member] \| Offshore Drilling Rig Contractor [Member]
IfrsStatementLineItems [Line Items]
Arbitration damages sought, value		$ 20,300,000
Legal proceedings contingent liability [member] \| Offshore Drilling Rig Contractor [Member] \| Europe [Member]
IfrsStatementLineItems [Line Items]
Arbitration damages sought, value		5,000,000
Legal proceedings contingent liability [member] \| Offshore Drilling Rig Contractor [Member] \| Europe [Member] \| Accounts payables and accrued liabilities [member]
IfrsStatementLineItems [Line Items]
Arbitration damages sought, value		$ 3,000,000