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Employee Information - Summary of Number of Employees by Market Area (Detail) - Employee
Dec. 31, 2023
Dec. 31, 2022
Disclosure of Information About Employees [line items]    
Number of employees 99,952 105,529
South East Asia, Oceania and India [member]    
Disclosure of Information About Employees [line items]    
Number of employees 27,016 27,761
North East Asia [member]    
Disclosure of Information About Employees [line items]    
Number of employees 12,331 13,207
North America [member]    
Disclosure of Information About Employees [line items]    
Number of employees 10,744 11,993
Europe and Latin America [member]    
Disclosure of Information About Employees [line items]    
Number of employees 45,380 48,023
Middle East and Africa [member]    
Disclosure of Information About Employees [line items]    
Number of employees 4,481 4,545
Of which in EU [member]    
Disclosure of Information About Employees [line items]    
Number of employees 34,763 36,594
Of which in Sweden [member]    
Disclosure of Information About Employees [line items]    
Number of employees 13,977 14,481