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Material accounting policies - Segment reporting (Details) - 12 months ended Dec. 31, 2024	division segment	ton division	segment	brand
Disclosure of operating segments [line items]
Number of operating divisions	3	3	3
Number of operating segments	8	8
Marine
Disclosure of operating segments [line items]
Number of segments in division				6

X

- Definition

Number of Operating Divisions

+ References

No definition available.

+ Details

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Namespace Prefix:	eurn_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Number Of Operating Segments1

+ References

No definition available.

+ Details

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Namespace Prefix:	eurn_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Number of Segments in Division

+ References

No definition available.

+ Details

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Namespace Prefix:	eurn_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table.

+ References

No definition available.

+ Details

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

- Details

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