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PENSIONS - Asset Allocation (Details)
Dec. 31, 2023
Dec. 31, 2022
Marine Scheme    
Pensions:    
Target allocation 100.00% 100.00%
Marine Scheme | Cash    
Pensions:    
Target allocation 100.00% 100.00%
UK Scheme    
Pensions:    
Target allocation 100.00% 100.00%
UK Scheme | Equity    
Pensions:    
Target allocation 99.00% 98.00%
UK Scheme | Cash    
Pensions:    
Target allocation 1.00% 2.00%