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Capital Structure, Financial Risk and Related Items - Assets and Liabilities in Foreign Currency (Details) - DKK (kr)
kr in Billions
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Disclosure of credit risk exposure [line items]    
Central rate committed to maintain 7.46  
Positive fluctuation in exchange rate 2.25%  
Negative fluctuation in exchange rate (2.25%)  
United States of America, Dollars    
Disclosure of credit risk exposure [line items]    
Estimated impact for net profit before tax due to increase or decrease In exchange rate kr 2.2 kr 1.5