The amount of future capital expenditures that the entity is committed to make.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2017-01-01
-Paragraph 112
-Subparagraph c
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_112_c&doctype=Standard
-URIDate 2017-03-09

+ Details

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

- Definition

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

+ References

No definition available.

+ Details

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

- Definition

The amount of undrawn borrowing facilities that may be available for future operating activities and to settle capital commitments. [Refer: Capital commitments]

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Name IAS
-Number 7
-IssueDate 2017-01-01
-Paragraph 50
-Subparagraph a
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=7&date=2017-03-01&anchor=para_50_a&doctype=Standard
-URIDate 2017-03-09

+ Details

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

- Definition

The number of bank.

+ References

No definition available.

+ Details

Name:	trmd_NumberOfBank
Namespace Prefix:	trmd_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant

- Definition

The number of new building.

+ References

No definition available.

+ Details

Name:	trmd_NumberOfNewBuilding
Namespace Prefix:	trmd_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant

- Definition

The number of tanker.

+ References

No definition available.

+ Details

Name:	trmd_NumberOfTanker
Namespace Prefix:	trmd_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant

- Definition

The number of year facility.

+ References

No definition available.

+ Details

Name:	trmd_NumberOfYearFacility
Namespace Prefix:	trmd_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Details

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

- Details

Name:	ifrs-full_NonadjustingEventsAfterReportingPeriodAxis=trmd_AnnouncementOfEventOccuringIn2019Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_ClassesOfAssetsAxis=trmd_VesselClassMrMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_ClassesOfAssetsAxis=trmd_VesselClassLrOneMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

Name:	ifrs-full_NonadjustingEventsAfterReportingPeriodAxis=trmd_AnnouncementOfEventOccuringIn2018Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_ClassesOfAssetsAxis=trmd_VesselClassLrTwoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

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

EFFECTIVE INTEREST RATE, OUTSTANDING MORTGAGE DEBT AND BANK LOANS (Detail Textuals) $ in Millions	12 Months Ended
	Dec. 31, 2017 USD ($) Bank Tankers Newbuildings	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Jul. 31, 2015 USD ($)
Disclosure of detailed information about borrowings [line items]
Working capital facility	$ 271	$ 190	$ 75
Funding commitment	307	$ 149	$ 224
Danish ship finance \| Announcement of Event Occuring in 2019
Disclosure of detailed information about borrowings [line items]
Funding commitment	$ 81
Number of year facility to finance newbuilding	7 years
Danish ship finance \| Announcement of Event Occuring in 2019 \| MR
Disclosure of detailed information about borrowings [line items]
Number of tanker \| Tankers	4
Number of newbuilding \| Newbuildings	4
Danish ship finance \| Announcement of Event Occuring in 2019 \| LR1
Disclosure of detailed information about borrowings [line items]
Number of tanker \| Tankers	2
China export import Bank \| Announcement of Event Occuring in 2018 \| LR2
Disclosure of detailed information about borrowings [line items]
Number of tanker \| Tankers	4
Funding commitment	$ 115
Number of year facility to finance newbuilding	12 years
Working capital facility
Disclosure of detailed information about borrowings [line items]
Working capital facility	$ 75			$ 75
Term Facility
Disclosure of detailed information about borrowings [line items]
Number of bank \| Bank	4