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Related parties - Transactions with key management personnel narrative (Details) |  |  |  |  |  |  |  |  |  |  | 3 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Nov. 22, 2023 | Nov. 22, 2023 shares | Nov. 22, 2023 T | Apr. 01, 2023 shares | Apr. 01, 2023 T | Apr. 01, 2022 shares installment | Apr. 01, 2021 shares installment | Apr. 01, 2020 shares installment | Apr. 01, 2019 shares installment | Jan. 08, 2019 shares | Feb. 16, 2018 shares | Feb. 09, 2017 shares | Feb. 12, 2015 shares | Sep. 30, 2022 | Jun. 30, 2022 | Mar. 31, 2020 | Dec. 31, 2024 shares | Dec. 31, 2023 shares | Dec. 31, 2023 USD ($) | Dec. 31, 2023 T | Dec. 31, 2022 USD ($) shares | Dec. 31, 2021 shares $ / shares | Dec. 31, 2019 $ / shares
Disclosure of transactions between related parties [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of options granted (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 | 0 |
Vesting period |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5 years |
Number of share options forfeited in share-based payment arrangement |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 | 0 |
Proportion of ownership interest in subsidiary |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 100.00% |  |  |  |  |  |
Euronav NV | CMB |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of transactions between related parties [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proportion of ownership interest in subsidiary | 49.05% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Transaction based incentive plan |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of transactions between related parties [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vesting period |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5 years
Long term incentive plan 2019 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of transactions between related parties [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of installments | installment |  |  |  |  |  |  |  |  | 3 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long term incentive plan 2021 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of transactions between related parties [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of installments | installment |  |  |  |  |  |  | 3 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Restricted stock units | Long term incentive plan 2019 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of transactions between related parties [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of options granted (in shares) |  |  |  |  |  |  |  |  | 152,346 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vesting period |  |  |  |  |  |  |  |  | 3 years |  |  |  |  |  |  |  | 3 years |  |  |  |  |  |
Restricted stock units | Long term incentive plan 2020 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of transactions between related parties [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vesting period |  |  |  |  |  |  |  | 3 years |  |  |  |  |  |  |  |  | 3 years |  |  |  |  |  |
Number of installments | installment |  |  |  |  |  |  |  | 3 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Restricted stock units | Long term incentive plan 2021 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of transactions between related parties [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vesting period |  |  |  |  |  |  | 3 years |  |  |  |  |  |  |  |  |  | 3 years |  |  |  |  |  |
Restricted stock units | Long term incentive plan 2022 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of transactions between related parties [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vesting period |  |  |  |  |  | 3 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of installments | installment |  |  |  |  |  | 3 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Restricted stock units | Long term incentive plan 2023 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of transactions between related parties [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vesting period |  |  |  |  |  | 3 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of installments | installment |  |  |  |  |  | 3 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Phantom stock units | Transaction based incentive plan |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of transactions between related parties [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity instruments granted (in shares) |  |  |  |  |  |  |  |  |  | 1,200,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Number of share options forfeited in share-based payment arrangement |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 400,000 |
Phantom stock units | Transaction based incentive plan | Tranche 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of transactions between related parties [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Annual vesting percentage |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 12.00% |  |  |  |  |  | 12.00% |
Target share price (in USD per share) | $ / shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 12 |
Phantom stock units | Transaction based incentive plan | Tranche 2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of transactions between related parties [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Annual vesting percentage |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 19.00% |  |  |  |  |  |  | 16.00% |
Target share price (in USD per share) | $ / shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 14 |
Phantom stock units | Transaction based incentive plan | Tranche 3 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of transactions between related parties [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Annual vesting percentage |  |  |  |  |  |  |  |  |  |  |  |  |  | 25.00% |  |  |  |  |  |  |  | 25.00% |
Target share price (in USD per share) | $ / shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 16 |
Phantom stock units | Transaction based incentive plan | Tranche 4 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of transactions between related parties [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Annual vesting percentage |  |  |  |  |  |  |  |  |  |  |  |  |  | 44.00% |  |  |  |  |  |  |  | 44.00% |
Target share price (in USD per share) | $ / shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 18 |
Phantom stock units | Long term incentive plan 2019 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of transactions between related parties [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity instruments granted (in shares) |  |  |  |  |  |  |  |  |  | 1,200,000 |  |  |  |  |  |  | 0 |  |  |  |  |  |
Phantom stock units | Long term incentive plan 2019 | Tranche 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of transactions between related parties [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Annual vesting percentage |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 12.00% |  |  |  |  |  |  | 12.00%
Target share price (in USD per share) | $ / shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 12
Phantom stock units | Long term incentive plan 2019 | Tranche 2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of transactions between related parties [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Annual vesting percentage |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 19.00%
Target share price (in USD per share) | $ / shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 14
Phantom stock units | Long term incentive plan 2019 | Tranche 3 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of transactions between related parties [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Annual vesting percentage |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 25.00%
Target share price (in USD per share) | $ / shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 16
Phantom stock units | Long term incentive plan 2019 | Tranche 4 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of transactions between related parties [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Annual vesting percentage |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 44.00%
Target share price (in USD per share) | $ / shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 18
Executive Committee | Stock option |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of transactions between related parties [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of options granted (in shares) |  |  |  |  |  |  |  |  |  |  |  |  | 236,590 |  |  |  |  |  |  |  |  |  |
Executive Committee | Restricted stock units |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of transactions between related parties [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of instruments granted in share-based payment arrangement (in shares) |  |  |  |  |  |  |  |  |  |  |  |  | 65,433 |  |  |  |  |  |  |  |  |  |
Executive Committee | Phantom stock units |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of transactions between related parties [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of instruments granted in share-based payment arrangement (in shares) |  |  |  |  |  |  |  |  |  |  | 154,432 |  |  |  |  |  |  |  |  |  |  |  |
Executive Committee | Phantom stock units | Tranche 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of transactions between related parties [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Annual vesting percentage |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 33.30% |  |  |  |  |  |
Executive Committee | Phantom stock units | Tranche 2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of transactions between related parties [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Annual vesting percentage |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 33.30% |  |  |  |  |  |
Executive Committee | Phantom stock units | Tranche 3 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of transactions between related parties [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Annual vesting percentage |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 33.30% |  |  |  |  |  |
Executive Committee (Excluding Chief Executive Officer) | Stock option |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of transactions between related parties [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vesting period |  |  |  |  |  |  |  |  |  |  |  |  | 13 years |  |  |  |  |  |  |  |  |  |
Key management personnel of entity or parent | Restricted stock units | Long term incentive plan 2019 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of transactions between related parties [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of options granted (in shares) |  |  |  |  |  |  |  |  | 152,346 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of options vested (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 105,626 |  |
Key management personnel of entity or parent | Restricted stock units | Long term incentive plan 2020 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of transactions between related parties [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of options granted (in shares) |  |  |  |  |  |  |  | 144,392 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of options vested (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 88,127 |  |  |  |  |
Key management personnel of entity or parent | Restricted stock units | Long term incentive plan 2021 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of transactions between related parties [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of options granted (in shares) |  |  |  |  |  |  | 193,387 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of options vested (in shares) |  | 52,585 |  | 14,530 |  | 64,414 |  |  |  |  |  |  |  |  |  |  |  | 131,529 |  |  |  |  |
Key management personnel of entity or parent | Restricted stock units | Long term incentive plan 2022 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of transactions between related parties [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of options granted (in shares) |  |  |  |  |  | 163,022 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of options vested (in shares) |  | 98,527 | 98,527 | 12,203 | 12,203 |  |  |  |  |  |  |  |  |  |  |  |  | 110,730 |  | 110,730 |  |  |
Key management personnel of entity or parent | Restricted stock units | Long term incentive plan 2023 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of transactions between related parties [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of options granted (in shares) |  |  |  | 120,079 |  |  |  |  |  |  |  |  |  |  |  |  |  | 120,079 |  |  |  |  |
Key management personnel of entity or parent | Phantom stock units | Tranche 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of transactions between related parties [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Annual vesting percentage |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 33.30% |  |  |  |  |  |
Key management personnel of entity or parent | Phantom stock units | Tranche 2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of transactions between related parties [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Annual vesting percentage |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 33.30% |  |  |  |  |  |
Key management personnel of entity or parent | Phantom stock units | Tranche 3 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of transactions between related parties [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Annual vesting percentage |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 33.30% |  |  |  |  |  |
Key management personnel of entity or parent | Phantom stock units | Long term incentive plan 2017 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of transactions between related parties [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity instruments granted (in shares) |  |  |  |  |  |  |  |  |  |  |  | 66,449 |  |  |  |  |  |  |  |  |  |  |
Total for all joint ventures | Tankers (UK) Agencies Limited |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of transactions between related parties [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proportion of ownership interest in joint venture |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 50.00% |  |  |  |  |  |
Total for all subsidiaries | Tankers International LLC |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of transactions between related parties [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Leases as lessor, related party transactions | $ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 66,677 |  | $ 216,040 |  |

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- Definition Number Of Share Options Vested In Share-Based Payment Arrangement + References No definition available. + Details
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Namespace Prefix: | eurn_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | duration

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- Definition Share-Based Compensation Arrangement By Share-Based Payment Award, Award Vesting Period2 + References No definition available. + Details
Name: | eurn_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod2
Namespace Prefix: | eurn_
Data Type: | xbrli:durationItemType
Balance Type: | na
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