Capital structure and financial items - Financial income and expenses - Financial Income (Details) - DKK (kr) kr in Millions	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Share Capital, Reserves And Other Equity Interest And Financial Instruments [Abstract]
Interest income	kr 65	kr 51	kr 69
Foreign exchange gain (net)	0	0	1,163
Financial gain from forward contracts (net)	0	1,656	0
Financial gain from currency options (net)	0	152	0
Capital gain on investments, etc.	0	251	0
Result of associated company	0	12	14
Total financial income	kr 65	kr 2,122	kr 1,246

The amount of income associated with interest and other financing activities of the entity.

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The gains (losses) recognised in other comprehensive income on change in value of foreign currency basis spreads, net of tax. [Refer: Other comprehensive income]

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The gain on the disposal of investments.

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The amount of income arising from interest.

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The entity's share of the profit (loss) of associates and joint ventures accounted for using the equity method. [Refer: Associates [member]; Investments accounted for using equity method; Joint ventures [member]; Profit (loss)]

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Share Capital, Reserves And Other Equity Interest And Financial Instruments [Abstract]

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No definition available.

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