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SEGMENT - Narrative (Details)	12 Months Ended
	Dec. 31, 2025 segment
Disclosure of major customers [line items]
Number of operating segments	2
Tanker segment
Disclosure of major customers [line items]
Number of geographical segment	1

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

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

X

- Definition

Represents the number of geographical segment.

+ References

No definition available.

+ Details

Name:	trmd_NumberOfGeographicalSegments
Namespace Prefix:	trmd_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Represents the number of operating segment.

+ References

No definition available.

+ Details

Name:	trmd_NumberOfOperatingSegment
Namespace Prefix:	trmd_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	ifrs-full_SegmentsAxis=trmd_TankerMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: