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v3.26.1

Financial risk management - Capital risk (Details) | Dec. 31, 2025 | Dec. 31, 2024
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Financial risk management |  |
Target book leverage ratio | 60.00% |
Leverage ratio net of cash | 28.00% | 33.00%

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- Definition The percentage of leverage ratio net of cash. + References No definition available. + Details
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Namespace Prefix: | bwlp_
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- Definition The percentage of target book leverage ratio + References No definition available. + Details
Name: | bwlp_TargetBookLeverageRatio
Namespace Prefix: | bwlp_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

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- References No definition available. + Details
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Namespace Prefix: | ifrs-full_
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Balance Type: | na
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