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Capital Structure, Financial Risk and Related Items - Marketable securities portfolio (Details) - DKK (kr) kr in Millions | Dec. 31, 2022 | Dec. 31, 2021
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Marketable Securities |  |
Market value | kr 12,431 | kr 10,381
Percentage of marketable securities | 100.00% | 100.00%
USD portfolio |  |
Marketable Securities |  |
Market value | kr 9,988 | kr 7,781
Percentage of marketable securities | 80.00% | 75.00%
Corporate bonds |  |
Marketable Securities |  |
Market value | kr 5,091 | kr 5,149
Percentage of marketable securities | 41.00% | 50.00%
US government bonds and treasury bills |  |
Marketable Securities |  |
Market value | kr 3,067 | kr 1,496
Percentage of marketable securities | 25.00% | 14.00%
Commercial paper |  |
Marketable Securities |  |
Market value | kr 807 | kr 528
Percentage of marketable securities | 6.00% | 5.00%
Other marketable securities [Member] |  |
Marketable Securities |  |
Market value | kr 1,023 | kr 608
Percentage of marketable securities | 8.00% | 6.00%
DKK portfolio |  |
Marketable Securities |  |
Market value | kr 1,535 | kr 1,663
Percentage of marketable securities | 12.00% | 16.00%
Kingdom of Denmark bonds and treasury bills |  |
Marketable Securities |  |
Market value | kr 442 | kr 460
Percentage of marketable securities | 3.00% | 4.00%
Danish mortgage-backed securities |  |
Marketable Securities |  |
Market value | kr 1,093 | kr 1,203
Percentage of marketable securities | 9.00% | 12.00%
European government bonds and treasury bills |  |
Marketable Securities |  |
Market value | kr 832 | kr 856
Percentage of marketable securities | 7.00% | 8.00%
UK government bonds and treasury bills |  |
Marketable Securities |  |
Market value | kr 76 | kr 81
Percentage of marketable securities | 1.00% | 1.00%

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- Definition Amount of investments in debt and equity securities which have original maturities over to 90 days, including, but not limited to, held-to-maturity, trading and available-for-sale expected to be converted to cash, sold or exchanged within one year or the normal operating cycle, if longer. + References No definition available. + Details
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- Definition The percentage of marketable securities. + References No definition available. + Details
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