Debt instrument interest payments.

No definition available.

Name:	TRLEF_DebtInstrumentInterestPayments
Namespace Prefix:	TRLEF_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Debt instrument principal payments.

+ References

No definition available.

+ Details

Name:	TRLEF_DebtInstrumentPrincipalPayments
Namespace Prefix:	TRLEF_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Description of expected remaining life share options granted.

+ References

No definition available.

+ Details

Name:	TRLEF_DescriptionOfExpectedRemainingLifeShareOptionsGranted
Namespace Prefix:	TRLEF_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Fair value of warrants.

+ References

No definition available.

+ Details

Name:	TRLEF_FairValueOfWarrants
Namespace Prefix:	TRLEF_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Financing costs.

+ References

No definition available.

+ Details

Name:	TRLEF_FinancingCosts
Namespace Prefix:	TRLEF_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- References

No definition available.

+ Details

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

- Definition

Warrants price per share.

+ References

No definition available.

+ Details

Name:	TRLEF_WarrantsPricePerShare
Namespace Prefix:	TRLEF_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

The interest rate on borrowings. [Refer: Borrowings]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IFRS
-Number 7
-IssueDate 2022-03-24
-Paragraph 7
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2022-en-r&anchor=para_7&doctype=Standard
-URIDate 2022-03-24

+ Details

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

- Definition

The maturity of borrowings. [Refer: Borrowings]

+ References

+ Details

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

- Definition

The expected volatility of the share price used to calculate the fair value of the share options granted. Expected volatility is a measure of the amount by which a price is expected to fluctuate during a period. The measure of volatility used in option pricing models is the annualised standard deviation of the continuously compounded rates of return on the share over a period of time.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2022-03-24
-Paragraph 47
-Subparagraph a
-Clause i
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2022-en-r&anchor=para_47_a_i&doctype=Standard
-URIDate 2022-03-24

+ Details

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Namespace Prefix:	ifrs-full_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The implied yield currently available on zero-coupon government issues of the country in whose currency the exercise price for share options granted is expressed, with a remaining term equal to the expected term of the option being valued (based on the option's remaining contractual life and taking into account the effects of expected early exercise). [Refer: Government [member]]

+ References

+ Details

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Namespace Prefix:	ifrs-full_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The percentage of an expected dividend used to calculate the fair value of share options granted.

+ References

+ Details

Name:	ifrs-full_ExpectedDividendAsPercentageShareOptionsGranted
Namespace Prefix:	ifrs-full_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The amount of interest recognised as a liability.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2022-03-24
-Paragraph 112
-Subparagraph c
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_112_c&doctype=Standard
-URIDate 2022-03-24

+ Details

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

- Definition

The nominal or face amount of a financial instrument, used to calculate payments made on that instrument.

+ References

+ Details

Name:	ifrs-full_NotionalAmount
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	instant

- Definition

The number of shares issued by the entity.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2022-03-24
-Paragraph 106
-Subparagraph d
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_106_d&doctype=Standard
-URIDate 2022-03-24

+ Details

Name:	ifrs-full_NumberOfSharesIssued
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

The amount of loans received from banks that have not been secured by collateral. [Refer: Loans received]

+ References

+ Details

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

- Details

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

- Details

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

- Details

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

- Details

Name:	ifrs-full_BorrowingsByNameAxis=TRLEF_UnsecuredLoanFourMember
Namespace Prefix:
Data Type:	na
Balance Type:
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- Details

Name:	ifrs-full_BorrowingsByNameAxis=TRLEF_UnsecuredLoanFiveMember
Namespace Prefix:
Data Type:	na
Balance Type:
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- Details

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Namespace Prefix:
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- Details

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Schedule of Loans Payable (Details) (Parenthetical)						9 Months Ended
Schedule of Loans Payable (Details) (Parenthetical)	May 25, 2022 USD ($)	Nov. 15, 2021 USD ($)	Mar. 04, 2021 USD ($) $ / shares shares	Feb. 04, 2020 USD ($)	Aug. 02, 2019 USD ($)	Sep. 30, 2022 USD ($) shares	Sep. 30, 2021 USD ($) shares	May 25, 2022 TRY (₺)	Nov. 15, 2021 TRY (₺)	Apr. 16, 2021 shares	Mar. 30, 2021 USD ($)	Mar. 30, 2021 CAD ($)	Sep. 15, 2020 USD ($)	Sep. 15, 2020 CAD ($)	Feb. 04, 2020 TRY (₺)	Aug. 02, 2019 TRY (₺)
IfrsStatementLineItems [Line Items]
Principal amount											$ 29,528	$ 37,500	$ 9,870	$ 13,000
Common stock, shares \| shares						2,000,000	1,416,667
Expected dividend yield						0.00%	0.00%
Expected volatility						175.00%
Risk-free interest rate						3.05%
Unsecured loan one [member]
IfrsStatementLineItems [Line Items]
Interest rate						10.00%
Unsecured loan two [member]
IfrsStatementLineItems [Line Items]
Interest rate						12.00%
Unsecured loan three [member]
IfrsStatementLineItems [Line Items]
Interest rate		19.44%				19.40%			19.44%
Principal amount		$ 25,600							₺ 350,000							₺ 300,000
Loan, maturity date		November 15, 2024
Principal payments						$ 4,426
Interest payments						$ 2,944
Unsecured loan four [member]
IfrsStatementLineItems [Line Items]
Interest rate					20.50%	20.50%										20.50%
Principal amount					$ 53,600
Loan, maturity date					August 2, 2022
Principal payments							8,673
Interest payments							2,754
Unsecured loan five [member]
IfrsStatementLineItems [Line Items]
Interest rate				13.25%		13.25%									13.25%
Principal amount				$ 83,500											₺ 500,000
Loan, maturity date				February 4, 2022
Principal payments						$ 3,005	21,607
Interest payments						$ 47	2,409
Unsecured loan six [member]
IfrsStatementLineItems [Line Items]
Interest rate			15.00%			15.00%
Loan received			$ 500,000
Common stock, shares \| shares			1,000,000							1,000,000
Warrants price per share \| $ / shares			$ 0.16
Fair value of warrants			$ 152,750
Expected dividend yield			0.00%
Expected volatility			229.00%
Risk-free interest rate			0.08%
Expected remaining life			2 years
Financing costs						$ 26,365	87,884
Accrued interest						$ 18,082	$ 43,151
Unsecured loan seven [member]
IfrsStatementLineItems [Line Items]
Interest rate	45.33%					45.33%		45.33%
Principal amount	$ 91,961							₺ 1,500,000
Loan, maturity date	May 23, 2024
Principal payments						$ 20,183
Interest payments						$ 13,169