XML 82 R65.htm IDEA: XBRL DOCUMENT v3.22.4
Significant accounting policies - Estimated useful lives (Details)
$ in Millions
 12 Months Ended
Dec. 31, 2022
USD ($)
Disclosure of detailed information about property, plant and equipment [line items]  
Net reduction in depreciation expenses $ 7
Minimum [Member]  
Disclosure of detailed information about property, plant and equipment [line items]  
Residual value of mainly 10.00%
Maximum [Member]  
Disclosure of detailed information about property, plant and equipment [line items]  
Residual value of mainly 20.00%
Vessels  
Disclosure of detailed information about property, plant and equipment [line items]  
Estimated useful lives Mainly 25
Containers  
Disclosure of detailed information about property, plant and equipment [line items]  
Estimated useful lives Mainly 13-15
Chassis  
Disclosure of detailed information about property, plant and equipment [line items]  
Estimated useful lives 30 years
Other equipment  
Disclosure of detailed information about property, plant and equipment [line items]  
Estimated useful lives 13 years
Dry docking for owned vessels  
Disclosure of detailed information about property, plant and equipment [line items]  
Estimated useful lives Up to 5
Buildings  
Disclosure of detailed information about property, plant and equipment [line items]  
Estimated useful lives 25 years
Computer systems and communication equipment  
Disclosure of detailed information about property, plant and equipment [line items]  
Estimated useful lives Mainly 5 years
Computer systems and communication equipment | Minimum [Member]  
Disclosure of detailed information about property, plant and equipment [line items]  
Estimated useful lives 4 years
Computer systems and communication equipment | Maximum [Member]  
Disclosure of detailed information about property, plant and equipment [line items]  
Estimated useful lives 7 years
Others | Minimum [Member]  
Disclosure of detailed information about property, plant and equipment [line items]  
Estimated useful lives 5 years
Others | Maximum [Member]  
Disclosure of detailed information about property, plant and equipment [line items]  
Estimated useful lives 15 years
Dry containers  
Disclosure of detailed information about property, plant and equipment [line items]  
Revised estimated useful life extending their average useful life from 13 to 15 years
Increase in residual value 10% to 20% of historical cost
Older vessels  
Disclosure of detailed information about property, plant and equipment [line items]  
Revised estimated useful life useful life of certain older vessels, from 25 years to 22 years.