Taxes on Income (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023
Taxes on Income [Line Items]
Tax rate percentage	12.00%
Beneficial tax rate percentage	12.00%
Carryforward tax losses (in Dollars)	$ 39,000
Capital loss carryforward (in Dollars)	$ 23,000
Regular tax rate	23.00%
Deferred tax liability (in Dollars)	$ 101	$ 141
Development Area A [Member]
Taxes on Income [Line Items]
Corporate tax rate	7.50%
United states and Portugal [Member]
Taxes on Income [Line Items]
Corporate tax rate	21.00%
XTEPO [Member]
Taxes on Income [Line Items]
Corporate tax rate	23.00%

The applicable income tax rate.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 12
-IssueDate 2024-01-01
-Paragraph 81
-Subparagraph c
-Clause ii
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2024-en-r&anchor=para_81_c_ii&doctype=Standard
-URIDate 2024-03-27

+ Details

Name:	ifrs-full_ApplicableTaxRate
Namespace Prefix:	ifrs-full_
Data Type:	dtr-2022:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The increase (decrease) in a deferred tax liability (asset). [Refer: Deferred tax liability (asset)]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 12
-IssueDate 2024-01-01
-Paragraph 81
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2024-en-r&anchor=para_81&doctype=Standard
-URIDate 2024-03-27

+ Details

Name:	ifrs-full_IncreaseDecreaseInDeferredTaxLiabilityAsset
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The amount representing the difference between the tax expense (income) and the product of the accounting profit multiplied by the applicable tax rate(s) that relates to impairment of goodwill. [Refer: Accounting profit; Goodwill]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 12
-IssueDate 2024-01-01
-Paragraph 81
-Subparagraph c
-Clause i
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2024-en-r&anchor=para_81_c_i&doctype=Standard
-URIDate 2024-03-27

+ Details

Name:	ifrs-full_TaxEffectOfImpairmentOfGoodwill
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The tax rate effect on the reconciliation between the average effective tax rate and the applicable tax rate resulting from tax losses. [Refer: Average effective tax rate; Applicable tax rate]

+ References

+ Details

Name:	ifrs-full_TaxRateEffectOfTaxLosses
Namespace Prefix:	ifrs-full_
Data Type:	dtr-2022:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Beneficial tax rate percentage.

+ References

No definition available.

+ Details

Name:	xtlb_BeneficialTaxRatePercentage
Namespace Prefix:	xtlb_
Data Type:	dtr:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible capital loss carryforwards.

+ References

No definition available.

+ Details

Name:	xtlb_DeferredTaxAssetsCapitalLossCarryforward
Namespace Prefix:	xtlb_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Regular tax rate.

+ References

No definition available.

+ Details

Name:	xtlb_RegularTaxRate
Namespace Prefix:	xtlb_
Data Type:	dtr:percentItemType
Balance Type:	na
Period Type:	duration

- References

No definition available.

+ Details

Name:	xtlb_TaxesOnIncomeLineItems
Namespace Prefix:	xtlb_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	ifrs-full_GeographicalAreasAxis=xtlb_DevelopmentAreaAMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_GeographicalAreasAxis=xtlb_UnitedStatesAndPortugalMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_CategoriesOfRelatedPartiesAxis=xtlb_XTEPOMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: