The average price of a hedging instrument. [Refer: Hedging instruments [member]]

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The amount of non-derivative financial assets that are designated as available for sale or are not classified as (a) loans and receivables; (b) held-to-maturity investments; or (c) financial assets at fair value through profit or loss. [Refer: Derivative financial assets; Financial assets at fair value through profit or loss; Held-to-maturity investments]

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The amount that best represents the maximum exposure to credit risk without taking into account any collateral held or other credit enhancements (for example, netting agreements that do not qualify for offset in accordance with IAS 32). [Refer: Credit risk [member]]

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Capital structure and financial items - Financial risks - Narrative (Details) kr in Millions	12 Months Ended
	Dec. 31, 2022 DKK (kr)	Dec. 31, 2021 DKK (kr)	Dec. 31, 2020 DKK (kr)
Disclosure of detailed information about hedges [line items]
Marketable securities	kr 10,921	kr 6,765	kr 0
Top of range
Disclosure of detailed information about hedges [line items]
Period to cover expected future cash flow	24 months
USD, JPY, CAD and GBP \| Top of range
Disclosure of detailed information about hedges [line items]
Period to cover expected future cash flow	12 months
USD, JPY, CAD and GBP \| Bottom of range
Disclosure of detailed information about hedges [line items]
Period to cover expected future cash flow	9 months
USD
Disclosure of detailed information about hedges [line items]
Period to cover expected future cash flow	12 months	12 months
USD \| Forward contracts \| Cash flow hedges
Disclosure of detailed information about hedges [line items]
Average price of hedging instrument	696	628
Foreign exchange risk
Disclosure of detailed information about hedges [line items]
Percent increase/decrease that would impact results (in percentage)	5.00%
Financial counterparties \| Credit risk
Disclosure of detailed information about hedges [line items]
Maximum exposure to credit risk	kr 26,301	kr 19,175
Trade receivables, Other receivables less prepayments and VAT and Other financial assets \| Credit risk
Disclosure of detailed information about hedges [line items]
Maximum exposure to credit risk	kr 52,714	kr 43,425